本發明是有關於一種畫素結構及應用其的顯示面板。The present invention relates to a pixel structure and a display panel using the same.
於家用電器設備的各式電子產品之中，應用薄膜電晶體(thin film transistor；TFT)的液晶顯示器已經被廣泛地使用。薄膜電晶體式的液晶顯示器主要是由薄膜電晶體陣列基板、彩色濾光陣列基板和液晶層所構成，其中薄膜電晶體陣列基板上設置有多個以陣列排列的薄膜電晶體，以及，與薄膜電晶體對應配置的畫素電極(pixel electrode)。此外，薄膜電晶體陣列基板與彩色濾光陣列之間設置有間隙物，使得兩基板具有一定的間隙(cell gap)。Among various electronic products of home appliance devices, liquid crystal displays using thin film transistors (TFTs) have been widely used. The thin film transistor type liquid crystal display is mainly composed of a thin film transistor array substrate, a color filter array substrate and a liquid crystal layer, wherein the thin film transistor array substrate is provided with a plurality of thin film transistors arranged in an array, and a film The transistor corresponds to a configured pixel electrode. In addition, a spacer is disposed between the thin film transistor array substrate and the color filter array such that the two substrates have a certain cell gap.
然而，於畫素結構之中，間隙物與畫素電極之間可能會因產生交互作用，而導致無法預期的現象。例如，間隙物可能會影響液晶層中的液晶分子排列，使得畫素結構無法正常呈現訊號。進一步而言，當間隙物影響液晶層中的液晶分子排列時，液晶顯示器的畫面品質將可能會受影響，且也可能造成液晶顯示器的畫面有亮暗不均的問題。However, in the pixel structure, the interaction between the spacer and the pixel electrode may cause an unpredictable phenomenon due to the interaction. For example, the spacer may affect the alignment of the liquid crystal molecules in the liquid crystal layer, so that the pixel structure cannot display the signal normally. Further, when the spacer affects the alignment of the liquid crystal molecules in the liquid crystal layer, the picture quality of the liquid crystal display may be affected, and the screen of the liquid crystal display may have a problem of uneven brightness and darkness.
本發明是關於一種畫素結構及應用其的顯示面板，藉以降低液晶錯向(disclination)所產生的暗紋。The present invention relates to a pixel structure and a display panel using the same, thereby reducing dark lines caused by liquid crystal disclination.
本發明之一實施方式提供一種畫素結構，包含基板、子畫素、色阻層、畫素電極以及間隙物。基板定義有至少二子畫素。各該子畫素包含至少一掃描線、至少一與該掃描線交錯之資料線以及至少一開關元件，開關元件與掃描線以及資料線電性連接。色阻層設置於基板上，並具有頂面，其中色阻層之頂面遠離基板。畫素電極包括第一子畫素電極以及第二子畫素電極設置於色阻層之頂面上，並位於各該畫素，其中畫素電極電性連接開關元件。間隙物位於該些子畫素其中一者內，並設置於第一子畫素電極與該第二子畫素電極之間。間隙物具有相對的頂面與底面，其中間隙物之底面設置於色阻層之頂面上。位於該些子畫素其中一者之間隙物、第一子畫素電極與第二子畫素電極在色阻層之頂面上的投影係相互分隔。An embodiment of the present invention provides a pixel structure including a substrate, a sub-pixel, a color resist layer, a pixel electrode, and a spacer. The substrate is defined with at least two sub-pixels. Each of the sub-pixels includes at least one scan line, at least one data line interlaced with the scan line, and at least one switching element electrically connected to the scan line and the data line. The color resist layer is disposed on the substrate and has a top surface, wherein a top surface of the color resist layer is away from the substrate. The pixel electrode includes a first sub-pixel electrode and a second sub-pixel electrode disposed on a top surface of the color resist layer and located at each of the pixels, wherein the pixel electrode is electrically connected to the switching element. The spacer is located in one of the sub-pixels and is disposed between the first sub-pixel electrode and the second sub-pixel electrode. The spacer has opposite top and bottom surfaces, wherein the bottom surface of the spacer is disposed on the top surface of the color resist layer. A spacer located in one of the sub-pixels, a projection of the first sub-pixel electrode and the second sub-pixel electrode on a top surface of the color resist layer are separated from each other.
於部分實施方式中，間隙物包含側壁，側壁與間隙物之底面之頂面相夾銳角，且此銳角介於50度至70度之間。In some embodiments, the spacer comprises a sidewall, the sidewall being at an acute angle to the top surface of the bottom surface of the spacer, and the acute angle is between 50 degrees and 70 degrees.
於部分實施方式中，第一子畫素電極具有第一缺口，第一缺口具有第一斜邊與第二斜邊，第二子畫素電極分別具有第二缺口。第二缺口具有第三斜邊與第四斜邊，且位於該些子畫素其中一者之部份間隙物之一部分係分別位於第一子畫素電極之第一缺口與第二子畫素電極之第二缺口之中。In some embodiments, the first sub-pixel electrode has a first notch, the first notch has a first oblique side and a second oblique side, and the second sub-pixel electrodes respectively have a second notch. The second notch has a third oblique side and a fourth oblique side, and a part of the spacers located in one of the sub-pixels is respectively located at the first notch and the second sub-pixel of the first sub-pixel electrode Among the second gaps of the electrodes.
於部分實施方式中，第一子畫素電極具有第一狹縫與第二狹縫，第二子畫素電極具有第三狹縫與第四狹縫，第一狹縫朝第三方向延伸，第二狹縫朝第四方向延伸，第三狹縫朝第二方向延伸，第，四狹縫朝第一方向延伸。第一斜邊實質上與第一狹縫平行，第二斜邊實質上與第二狹縫平行，第三斜邊實質上與第三狹縫平行，第四斜邊實質上與第四狹縫平行。In some embodiments, the first sub-pixel electrode has a first narrowAnd the second slit, the second sub-pixel electrode has a third slit and a fourth slit, the first slit extends in a third direction, the second slit extends in a fourth direction, and the third slit faces The two directions extend, and the fourth slit extends in the first direction. The first oblique side is substantially parallel to the first slit, the second oblique side is substantially parallel to the second slit, the third oblique side is substantially parallel to the third slit, and the fourth oblique side is substantially parallel to the fourth slit parallel.
於部分實施方式中，第一子畫素電極更包含第五狹縫與第六狹縫，其中第五狹縫朝第二方向延伸，第六狹縫朝第一方向延伸。第二子畫素電極更包括第七狹縫與第八狹縫，其中第七狹縫朝第三方向延伸，第八狹縫朝第四方向延伸。其中，第一子畫素電極之第一狹縫與第二狹縫投影於色阻層上係位於間隙物與第一子畫素電極之第五狹縫與第六狹縫投影於色阻層上之間，且第二子畫素電極之第三狹縫與第四狹縫投影於色阻層上係位於間隙物與第二子畫素電極之第七狹縫與第八狹縫投影於色阻層上之間。In some embodiments, the first sub-pixel electrode further includes a fifth slit and a sixth slit, wherein the fifth slit extends toward the second direction, and the sixth slit extends toward the first direction. The second sub-pixel electrode further includes a seventh slit and an eighth slit, wherein the seventh slit extends in a third direction, and the eighth slit extends in a fourth direction. The first slit and the second slit of the first sub-pixel electrode are projected on the color resist layer, and the fifth slit and the sixth slit of the first sub-pixel electrode are projected on the color resist layer. And the third slit and the fourth slit of the second sub-pixel electrode are projected on the color resist layer and are projected on the seventh slit and the eighth slit of the spacer and the second sub-pixel electrode. Between the color resist layers.
於部分實施方式中，畫素結構更包含至少一凸塊。凸塊設置於該些子畫素其中至少一者之間隙物下方，且凸塊於基板的垂直投影與間隙物於基板的垂直投影至少部分重疊。In some embodiments, the pixel structure further includes at least one bump. The bump is disposed under the spacer of at least one of the sub-pixels, and the vertical projection of the bump on the substrate at least partially overlaps with the vertical projection of the spacer on the substrate.
於部分實施方式中，畫素結構更包含第一輔助間隙物。第一輔助間隙物設置於該些子畫素其中至少一者之色阻層之頂面上，並覆蓋資料線，其中畫素電極與第一輔助間隙物在色阻層之頂面上的投影係相分隔的。In some embodiments, the pixel structure further includes a first auxiliary spacer. The first auxiliary spacer is disposed on a top surface of the color resist layer of at least one of the sub-pixels and covers the data line, wherein the pixel electrode and the first auxiliary spacer are projected on the top surface of the color resist layer The lines are separated.
於部分實施方式中，畫素結構更包含第二輔助間隙物。第二輔助間隙物設置於該些子畫素另一者之色阻層之頂面上，其中第二輔助間隙物的厚度係小於間隙物的厚度，且位於該些子畫素另一者之該第二輔助間隙物、該第一子畫素電極與該第二子畫素電極在該色阻層之該頂面上的投影係相互分隔。In some embodiments, the pixel structure further includes a second auxiliary spacer. The second auxiliary spacer is disposed at the top of the color resist layer of the other of the sub-pixelsa surface, wherein a thickness of the second auxiliary spacer is smaller than a thickness of the spacer, and the second auxiliary spacer, the first sub-pixel electrode and the second sub-pixel are located in the other of the sub-pixels The projections of the electrodes on the top surface of the color resist layer are separated from each other.
於部分實施方式中，第一輔助間隙物與第二輔助間隙物係包含不透明材料。In some embodiments, the first auxiliary spacer and the second auxiliary spacer comprise an opaque material.
於部分實施方式中，畫素電極更包含至少一連結電極，第一子畫素電極與第二畫素電極經由連接電極來相互連接。In some embodiments, the pixel electrode further includes at least one connection electrode, and the first sub-pixel electrode and the second pixel electrode are connected to each other via the connection electrode.
於部分實施方式中，開關元件包含第一開關元件與第二開關元件，該第一子畫素電極連接該第一開關元件，該第二子畫素電極連接該第二開關元件。In some embodiments, the switching element includes a first switching element and a second switching element, the first sub-pixel electrode is coupled to the first switching element, and the second sub-pixel electrode is coupled to the second switching element.
於部分實施方式中，間隙物係包含不透明材料。In some embodiments, the interstitial material comprises an opaque material.
本發明之一實施方式提供一種顯示面板，包含畫素結構、對向基板液晶層。對向基板與基板相對設置。液晶層夾設於對向基板與基板之間。An embodiment of the present invention provides a display panel including a pixel structure and a counter substrate liquid crystal layer. The opposite substrate is disposed opposite to the substrate. The liquid crystal layer is interposed between the opposite substrate and the substrate.
100、201A、201A’、201B‧‧‧畫素結構100, 201A, 201A', 201B‧‧‧ pixel structure
102‧‧‧畫素電極102‧‧‧ pixel electrodes
104‧‧‧間隙物104‧‧‧Intervals
106、210‧‧‧液晶分子106, 210‧‧‧ liquid crystal molecules
108‧‧‧等位線108‧‧‧ equipotential line
111、202‧‧‧基板111, 202‧‧‧ substrate
200A、200B‧‧‧顯示面板200A, 200B‧‧‧ display panel
112、203‧‧‧對向基板112, 203‧‧‧ opposite substrate
115、225‧‧‧共用電極115, 225‧‧‧Common electrode
204‧‧‧掃描線204‧‧‧ scan line
206‧‧‧資料線206‧‧‧Information line
208、208’‧‧‧子畫素208, 208’‧‧‧ sub-pixels
209‧‧‧液晶層209‧‧‧Liquid layer
210‧‧‧液晶分子210‧‧‧liquid crystal molecules
212a、212b‧‧‧開關元件212a, 212b‧‧‧Switching elements
213‧‧‧畫素電極213‧‧‧ pixel electrodes
214‧‧‧第一子畫素電極214‧‧‧First sub-pixel electrode
216‧‧‧第二子畫素電極216‧‧‧Second sub-pixel electrode
218‧‧‧色阻層218‧‧ ‧ color resist layer
219、219’‧‧‧色阻219, 219’ ‧ ‧ color resistance
220‧‧‧間隙物220‧‧‧Interval
222‧‧‧側壁222‧‧‧ side wall
224a‧‧‧第一缺口224a‧‧‧ first gap
224b‧‧‧第二缺口224b‧‧‧ second gap
226‧‧‧第一輔助間隙物226‧‧‧First auxiliary spacer
228‧‧‧第一凸塊228‧‧‧First bump
230‧‧‧第二凸塊230‧‧‧second bump
232‧‧‧第二輔助間隙物232‧‧‧Second auxiliary spacer
234‧‧‧連結部234‧‧‧Connecting Department
BB’、DD’、EE’‧‧‧線段BB’, DD’, EE’‧‧‧ segments
A、A’、B、B’、C‧‧‧區域A, A’, B, B’, C‧‧‧ areas
B1、B2、B3、B4‧‧‧底面B1, B2, B3, B4‧‧‧ bottom
O1‧‧‧第一狹縫O1‧‧‧ first slit
O2‧‧‧第二狹縫O2‧‧‧Second slit
O3‧‧‧第三狹縫O3‧‧‧ third slit
O4‧‧‧第四狹縫O4‧‧‧ fourth slit
O5‧‧‧第五狹縫O5‧‧‧ fifth slit
O6‧‧‧第六狹縫O6‧‧‧ sixth slit
O7‧‧‧第七狹縫O7‧‧‧ seventh slit
O8‧‧‧第八狹縫O8‧‧‧ eighth slit
CH‧‧‧半導體通道層CH‧‧‧Semiconductor channel layer
D‧‧‧汲極電極D‧‧‧汲electrode
D1‧‧‧第一方向D1‧‧‧ first direction
D2‧‧‧第二方向D2‧‧‧ second direction
D3‧‧‧第三方向D3‧‧‧ third direction
D4‧‧‧第四方向D4‧‧‧ fourth direction
G‧‧‧閘極電極G‧‧‧gate electrode
G1‧‧‧第一間隙G1‧‧‧ first gap
G2‧‧‧第二間隙G2‧‧‧Second gap
G3‧‧‧第三間隙G3‧‧‧ third gap
L1‧‧‧第一斜邊L1‧‧‧First bevel
L2‧‧‧第二斜邊L2‧‧‧second bevel
L3‧‧‧第三斜邊L3‧‧‧ third oblique side
L4‧‧‧第四斜邊L4‧‧‧4th hypotenuse
S‧‧‧源極電極S‧‧‧ source electrode
S1、S2、S3、S4‧‧‧頂面S1, S2, S3, S4‧‧‧ top
W1、W2、W3‧‧‧寬度W1, W2, W3‧‧‧ width
θ‧‧‧銳角Θ‧‧‧ acute angle
第1A圖繪示第一對比實施例，畫素結構中的液晶分子排列受到影響時的上視示意圖。FIG. 1A is a top view showing a first comparative example in which the arrangement of liquid crystal molecules in the pixel structure is affected.
第1B圖繪示沿第1A圖的線段BB’的剖面示意圖。Fig. 1B is a schematic cross-sectional view showing the line segment BB' along the first drawing.
第1C圖繪示第二對比實施例。Figure 1C depicts a second comparative embodiment.
第2A圖繪示本發明第一實施方式之顯示面板的上視示意圖。2A is a top view of the display panel of the first embodiment of the present inventionFigure.
第2B圖繪示沿第2A圖的線段DD’的剖面示意圖。Fig. 2B is a schematic cross-sectional view along line DD' of Fig. 2A.
第2C圖繪示第2A圖的區域C的放大示意圖。FIG. 2C is an enlarged schematic view showing a region C of FIG. 2A.
第2D圖繪示第2A圖的顯示面板的畫素結構於另一實施例的上視示意圖。FIG. 2D is a top view showing another embodiment of the pixel structure of the display panel of FIG. 2A.
第3A圖繪示本發明第二實施方式之顯示面板的上視示意圖。FIG. 3A is a schematic top view of the display panel according to the second embodiment of the present invention.
第3B圖繪示沿第3A圖的線段EE’的剖面示意圖。Fig. 3B is a schematic cross-sectional view showing the line segment EE' along the 3A.
以下將以圖式揭露本發明之複數個實施方式，為明確說明起見，許多實務上的細節將在以下敘述中一併說明。然而，應瞭解到，這些實務上的細節不應用以限制本發明。也就是說，在本發明部分實施方式中，這些實務上的細節是非必要的。此外，為簡化圖式起見，一些習知慣用的結構與元件在圖式中將以簡單示意的方式繪示之。The embodiments of the present invention are disclosed in the following drawings, and the details of However, it should be understood that these practical details are not intended to limit the invention. That is, in some embodiments of the invention, these practical details are not necessary. In addition, some of the conventional structures and elements are shown in the drawings in a simplified schematic manner in order to simplify the drawings.
於畫素結構之中，間隙物與畫素電極之間可能會因產生交互作用，而導致無法預期的現象。舉例而言，請看到第1A圖與第1B圖，其中第1A圖繪示畫素結構100中的液晶分子106排列受到影響時的上視示意圖，而第1B圖繪示沿第1A圖的線段BB’的剖面示意圖。於畫素結構100中，可以透過畫素電極102提供的等位線108控制液晶分子106之倒向，然而，當有間隙物104覆蓋於畫素電極102上時，間隙物104將會影響其周遭的液晶分子106之倒向。In the pixel structure, the interaction between the spacer and the pixel electrode may cause an unpredictable phenomenon due to interaction. For example, please refer to FIG. 1A and FIG. 1B , wherein FIG. 1A is a top view showing the arrangement of liquid crystal molecules 106 in the pixel structure 100, and FIG. 1B is a view along the first FIG. A schematic cross-sectional view of line segment BB'. In the pixel structure 100, the alignment of the liquid crystal molecules 106 can be controlled by the equipotential lines 108 provided by the pixel electrodes 102. However, when the spacers 104 are overlaid on the pixel electrodes 102, the spacers 104 will affect them. The surrounding liquid crystal molecules 106 are reversed.
第1B圖中，具有對向基板112以及基板111，其中共用電極115覆蓋對向基板112，畫素電極102部分覆蓋基板111。由於間隙物104覆蓋於畫素電極102上，故位於間隙物104邊界以及其周圍的液晶分子106會受到其地形影響，而無法呈現如預期設計的倒向。例如，區域A之中，液晶分子106的倒向大部分是受等位線108影響，因此區域A之中的液晶分子106可呈現如預期設計的倒向。然而，於區域B之中，液晶分子106的倒向大部分是受地形影響，因此區域B之中的液晶分子106無法呈現如預期設計的倒向。換言之，由於受到間隙物104的地形影響，使得畫素結構100將會因無法如預期般的控制其中的液晶分子106，造成液晶錯向(disclination)的現象，而有無法正常輸出畫面或亮暗不均的問題。In FIG. 1B, the opposite substrate 112 and the substrate 111 are provided, wherein the common electrode 115 covers the opposite substrate 112, and the pixel electrode 102 partially covers the substrate 111. Since the spacers 104 cover the pixel electrodes 102, the liquid crystal molecules 106 located at and around the boundary of the spacers 104 are affected by their topography and cannot be reversed as intended. For example, among the regions A, the reverse of the liquid crystal molecules 106 is largely affected by the equipotential lines 108, so that the liquid crystal molecules 106 in the regions A can be reversed as intended. However, in the region B, the reverse of the liquid crystal molecules 106 is largely affected by the topography, and thus the liquid crystal molecules 106 in the region B cannot exhibit the reverse as intended. In other words, due to the influence of the topography of the spacers 104, the pixel structure 100 will be unable to control the liquid crystal molecules 106 as expected, causing liquid crystal disclination, and the image may not be output normally or light and dark. The problem of unevenness.
第1C圖為第二對比實施例，與第一對比實施例的差別在於將間隙物104設置於對向基板112，則間隙物104邊界以及其周圍的液晶分子106無法呈現如預期設計的倒向。換言之，由於區域A’之中的液晶分子106可呈現如預期設計的倒向。然而，於區域B’之中，液晶分子106的倒向大部分是受地形影響，因此區域B’之中的液晶分子106無法呈現如預期設計的倒向。受到間隙物104的地形影響，使得畫素結構100將會因無法如預期般的控制其中的液晶分子106，造成液晶錯向(disclination)的現象，而有無法正常輸出畫面或亮暗不均的問題。1C is a second comparative embodiment, the difference from the first comparative embodiment is that the spacers 104 are disposed on the opposite substrate 112, and the liquid crystal molecules 106 at and around the boundary of the spacers 104 cannot exhibit the reverse design as expected. . In other words, since the liquid crystal molecules 106 in the region A' can be reversed as intended. However, in the region B', the reverse of the liquid crystal molecules 106 is largely affected by the topography, and thus the liquid crystal molecules 106 in the region B' cannot exhibit the reverse as intended. Under the influence of the topography of the spacers 104, the pixel structure 100 will be unable to control the liquid crystal molecules 106 as expected, causing liquid crystal disclination, and there is no normal output image or uneven brightness. problem.
請參照第2A圖與第2B圖，第2A圖繪示本發明第一實施方式之顯示面板200A的上視示意圖，其中對向基板203及液晶層209未繪示於第2A圖之中，而第2B圖繪示沿第2A圖的線段DD’的剖面示意圖。顯示面板200A包含複數個畫素結構201A、對向基板203以及液晶層209。其中對向基板203具有共用電極225。該些畫素結構201A其中至少一者之基板202定義有多個子畫素。本實施例以至少二個子畫素208及208’為範例。各該子畫素包含至少一掃描線204、至少一與掃描線204交錯之資料線206以及至少一開關元件(switch device)212。對向基板203與基板202相對設置，且液晶層209夾設於基板202與對向基板203之間。其中，每一個子畫素208、208’(或畫素結構201A)可提供單一顏色的子像素。例如，子畫素208可提供藍色子像素，而與子畫素208相鄰之子畫素208’可提供綠色子像素或紅色子像素。必需說明的是，子畫素是指有畫素電極存在區域以及控制畫素電極所需要線路之存在區域。Referring to FIG. 2A and FIG. 2B , FIG. 2A is a top view of the display panel 200A according to the first embodiment of the present invention, wherein the opposite substrate 203The liquid crystal layer 209 is not shown in FIG. 2A, and FIG. 2B is a schematic cross-sectional view along the line segment DD' of FIG. 2A. The display panel 200A includes a plurality of pixel structures 201A, a counter substrate 203, and a liquid crystal layer 209. The counter substrate 203 has a common electrode 225. The substrate 202 of at least one of the pixel structures 201A defines a plurality of sub-pixels. This embodiment is exemplified by at least two sub-pixels 208 and 208'. Each of the sub-pixels includes at least one scan line 204, at least one data line 206 interleaved with the scan line 204, and at least one switch device 212. The counter substrate 203 is disposed opposite to the substrate 202, and the liquid crystal layer 209 is interposed between the substrate 202 and the counter substrate 203. Therein, each sub-pixel 208, 208' (or pixel structure 201A) can provide a single color sub-pixel. For example, subpixel 208 can provide a blue subpixel, while subpixel 208' adjacent subpixel 208 can provide a green subpixel or a red subpixel. It should be noted that the sub-pixel refers to the existence area of the pixel electrode and the existence area of the line required to control the pixel electrode.
色阻層218設置於基板202上，並具有相對的頂面S1與底面B1，其中色阻層218之頂面S1遠離基板202，即色阻層218之厚度方向。換言之，色阻層218之頂面S1為朝向對向基板203。此外，色阻層218可包含多個不同顏色的色阻219與219’，其中色阻219與219’分別位於對應的子畫素208及208’內。亦即，不同顏色的色阻219與219’會分別位於相鄰之子畫素區域208及208’內。例如，色阻219可為藍色色阻，而色阻219’可為綠色色阻、紅色色阻或其它顏色色阻，使得子畫素208及208’可分別透過色阻219及219’，而提供藍色子像素及綠色子像素或其它顏色子像素，以發出不同顏色之色光。The color resist layer 218 is disposed on the substrate 202 and has an opposite top surface S1 and a bottom surface B1, wherein the top surface S1 of the color resist layer 218 is away from the substrate 202, that is, the thickness direction of the color resist layer 218. In other words, the top surface S1 of the color resist layer 218 is directed toward the opposite substrate 203. In addition, the color resist layer 218 may include a plurality of color resists 219 and 219' of different colors, wherein the color resists 219 and 219' are respectively located in the corresponding sub-pixels 208 and 208'. That is, color resists 219 and 219' of different colors are located in adjacent sub-pixel regions 208 and 208', respectively. For example, the color resistance 219 may be a blue color resistance, and the color resistance 219' may be a green color resistance, a red color resistance, or other color color resistance, so that the sub-pixels 208 and 208' may pass through the color resistances 219 and 219', respectively. Blue sub-pixels and green sub-pixels or other color sub-pixels are provided to emit different colors of light.
開關元件212可以是薄膜電晶體(thin-film transistor；TFT)。於開關元件212為薄膜電晶體的實施方式中，開關元件212包含閘極電極G、半導體通道層CH、源極電極S以及汲極電極D，且其閘極電極G連接至掃描線204，源極電極S連接至資料線206以及汲極電極D。本實施例之電晶體除了以底閘型電晶體為範例之外，也可運用其它電晶體，例如：頂閘型電晶體、底閘型電晶體之變形、頂閘型電晶體之變形或其它合適之電晶體。其中，半導體通道層CH可為單層或多層結構，且其材料包含非晶矽、單晶矽、微晶矽、多晶矽、有機半導體材料、氧化物半導體材料、奈米炭管或其它合適的材料。The switching element 212 can be a thin film transistor (thin-film)Transistor; TFT). In the embodiment in which the switching element 212 is a thin film transistor, the switching element 212 includes a gate electrode G, a semiconductor channel layer CH, a source electrode S, and a drain electrode D, and the gate electrode G thereof is connected to the scan line 204, the source The electrode S is connected to the data line 206 and the drain electrode D. In addition to the bottom gate type transistor, the transistor of the present embodiment can also be applied to other transistors, such as a top gate type transistor, a bottom gate type transistor, a top gate type transistor, or the like. A suitable transistor. The semiconductor channel layer CH may be a single layer or a multilayer structure, and the material thereof comprises amorphous germanium, single crystal germanium, microcrystalline germanium, polycrystalline germanium, organic semiconductor material, oxide semiconductor material, carbon nanotube or other suitable materials. .
畫素電極213包括第一子畫素電極214以及第二子畫素電極216，其中第一子畫素電極214以及第二子畫素電極216設置於色阻層218之頂面S1上，並位於各該畫素區域208與208’，即畫素區域208具有第一子畫素電極214以及第二子畫素電極216，且畫素區域208’也具有第一子畫素電極214以及第二子畫素電極216。畫素電極213電性連接於開關元件212。舉例而言，開關元件212可透過其汲極電極D電性連接至第一畫素電極214及第二畫素電極216，以控制第一畫素電極214以及第二畫素電極216的電位。於本實施例中，畫素電極213可更具有連結電極234，其中連結電極234用以連接於第一子畫素電極214及第二子畫素電極216之間，即第一子畫素電極214與第二畫素電極216經由該連接電極234來相互連接，因此開關元件212可使第一子畫素電極214及第二子畫素電極216具有實質上相同電位或者二者之間存在著緩衝值。透過開關元件212，畫素電極213的第一子畫素電極214以及第二子畫素電極216可被驅動以透過電力線(電場)控制其上的液晶分子210的倒向。The pixel electrode 213 includes a first sub-pixel electrode 214 and a second sub-pixel electrode 216, wherein the first sub-pixel electrode 214 and the second sub-pixel electrode 216 are disposed on the top surface S1 of the color resist layer 218, and Located in each of the pixel regions 208 and 208', that is, the pixel region 208 has a first sub-pixel electrode 214 and a second sub-pixel electrode 216, and the pixel region 208' also has a first sub-pixel electrode 214 and a The two sub-pixel electrodes 216. The pixel electrode 213 is electrically connected to the switching element 212. For example, the switching element 212 can be electrically connected to the first pixel electrode 214 and the second pixel electrode 216 through the drain electrode D thereof to control the potentials of the first pixel electrode 214 and the second pixel electrode 216. In this embodiment, the pixel electrode 213 may further have a connection electrode 234, wherein the connection electrode 234 is connected between the first sub-pixel electrode 214 and the second sub-pixel electrode 216, that is, the first sub-pixel electrode. 214 and the second pixel electrode 216 are connected to each other via the connection electrode 234, so the switching element 212 can have the first sub-pixel electrode 214 and the second sub-pixel electrode 216 have substantially the same potential or exist between the two. Buffer value. Through the switching element 212, the first sub-pixel electrode 214 of the pixel electrode 213 and the second sub-pictureThe prime electrode 216 can be driven to control the reversal of the liquid crystal molecules 210 thereon by a power line (electric field).
間隙物(photo-spacer)220位於二個子畫素208及208’其中一者內，並設置於第一子畫素電極214與第二子畫素電極216之間。換言之，間隙物220只有位於子畫素208及208’其中一個，而不位於子畫素208及208’另一個，且在子畫素208中，間隙物220垂直投影於色阻層218上係位於第一子畫素電極214與第二子畫素電極216垂直投影於色阻層218上之間。間隙物220具有相對的頂面S2與底面B2。間隙物220係設置於基板202上，再與對向基板203做對組。A photo-spacer 220 is located in one of the two sub-pixels 208 and 208' and is disposed between the first sub-pixel electrode 214 and the second sub-pixel electrode 216. In other words, the spacer 220 is located only in one of the sub-pixels 208 and 208', and not in the other of the sub-pixels 208 and 208', and in the sub-pixel 208, the spacer 220 is vertically projected on the color resist layer 218. The first sub-pixel electrode 214 and the second sub-pixel electrode 216 are vertically projected between the color resist layer 218. The spacer 220 has opposing top surface S2 and bottom surface B2. The spacers 220 are disposed on the substrate 202 and are paired with the opposite substrate 203.
本實施例以間隙物220只有位於子畫素208為範例說明，但不限於此。於子畫素208之中，間隙物220之底面B2設置於色阻層218之頂面S1上並與色阻層218之頂面S1接觸。舉例而言，間隙物220之底面B2之面積大於間隙物220之頂面S2之面積，其中間隙物220之底面B1的寬度W1約介於10微米至20微米之間。如第2B圖所示，間隙物220的剖面形狀為梯形，且底面B2之面積大於頂面S2之面積。例如，間隙物220可包含側壁222，且此側壁222與間隙物220之底面B2的夾角為銳角θ，其中銳角θ不為0度。銳角θ較佳約介於50度至70度之間。間隙物220的高度較佳約介於3至3.5微米之間。此外，間隙物220可用以支撐對向基板203，而除提供支撐效果外，其較佳由不透光之材料構成，例如黑色光阻(Black Resist)、其它多層不同色彩之光阻堆疊、或其他適合有機遮光材料所組成，以同時提供支撐與遮光的效果。In this embodiment, the spacer 220 is only exemplified in the sub-pixel 208, but is not limited thereto. In the sub-pixel 208, the bottom surface B2 of the spacer 220 is disposed on the top surface S1 of the color resist layer 218 and is in contact with the top surface S1 of the color resist layer 218. For example, the area of the bottom surface B2 of the spacer 220 is larger than the area of the top surface S2 of the spacer 220, wherein the width W1 of the bottom surface B1 of the spacer 220 is between about 10 micrometers and 20 micrometers. As shown in FIG. 2B, the cross-sectional shape of the spacer 220 is trapezoidal, and the area of the bottom surface B2 is larger than the area of the top surface S2. For example, the spacer 220 may include a sidewall 222, and the angle between the sidewall 222 and the bottom surface B2 of the spacer 220 is an acute angle θ, wherein the acute angle θ is not 0 degrees. The acute angle θ is preferably between about 50 and 70 degrees. The height of the spacers 220 is preferably between about 3 and 3.5 microns. In addition, the spacers 220 may be used to support the opposite substrate 203, and in addition to providing a supporting effect, it is preferably made of a material that is opaque, such as a black photoresist, other layers of different color photoresist stacks, or Others are suitable for organic shading materials to provide both support and shading.
於間隙物220、第一子畫素電極214與第二子畫素電極216的設置關係中，位於該些子畫素其中一者之間隙物220、第一子畫素電極214與第二子畫素電極216在色阻層218頂面上之垂直投影邊界可相隔一段距離，即位於子畫素208之間隙物220、第一畫素電極214與第二畫素電極216在色阻層218頂面上之垂直投影係可相互分隔一段距離。例如，請同時看到第2A圖、第2B圖與第2C圖，其中第2C圖繪示第2A圖的區域C的放大示意圖。於間隙物220及畫素電極213的設置關係中，畫素電極213的第一子畫素電極214及第二子畫素電極216可對應間隙物220的邊界，而調整其圖案的輪廓，使得間隙物220、第一子畫素電極214與第二子畫素電極216的邊界可相隔一段距離。其中，間隙物220之底面B2垂直投影於基板202的投影圖形可為圓形或多邊形，然本發明並不以此為限。In the arrangement relationship of the spacer 220, the first sub-pixel electrode 214 and the second sub-pixel electrode 216, the spacer 220, the first sub-pixel electrode 214 and the second sub-pixel located in one of the sub-pixels The vertical projection boundary of the pixel electrode 216 on the top surface of the color resist layer 218 may be separated by a distance, that is, the spacer 220 located in the sub-pixel 208, the first pixel electrode 214 and the second pixel electrode 216 are in the color resist layer 218. The vertical projections on the top surface can be separated from each other by a distance. For example, please see FIG. 2A, FIG. 2B and FIG. 2C at the same time, wherein FIG. 2C shows an enlarged schematic view of a region C of FIG. 2A. In the arrangement relationship of the spacer 220 and the pixel electrode 213, the first sub-pixel electrode 214 and the second sub-pixel electrode 216 of the pixel electrode 213 can adjust the contour of the pattern by corresponding to the boundary of the spacer 220. The boundary of the spacer 220, the first sub-pixel electrode 214 and the second sub-pixel electrode 216 may be separated by a distance. The projection pattern of the bottom surface B2 of the spacer 220 perpendicularly projected on the substrate 202 may be circular or polygonal, but the invention is not limited thereto.
具體而言，如第2C圖所示，間隙物220的邊界以多邊形為例，舉例而言為八邊形。畫素電極213的第一子畫素電極214及第二子畫素電極216對應此間隙物220之八邊形的邊界，第一子畫素電極214具有第一缺口224a，而第二子畫素電極216具有第二缺口224b。具體而言，第一缺口224a具有第一斜邊L1與第二斜邊L2，而第二缺口224b具有第三斜邊L3與第四斜邊L4。此外，位於該些子畫素其中一者之間隙物220，例如：位於子畫素208之間隙物220一部分係分別位於第一子畫素電極214之第一缺口224a與第二子畫素電極216之第二缺口224b之中。也就是說，第一子畫素電極214及第二子畫素電極216可分別透過第一缺口224a與第二缺口224b，而與間隙物220的邊界相隔一段距離。因此，間隙物220、第一子畫素電極214與第二子畫素電極216在色阻層218之頂面S1上的投影係為相分隔的。換言之，位於子畫素208之間隙物220、第一子畫素電極214與第二子畫素電極216在色阻層218之頂面上的垂直投影係不互相重疊。由於間隙物220避開如第1B圖所示之畫素電極102與間隙物104於基板111上重疊的狀況，因而可減少畫素結構201A上方有液晶錯向(disclination)的現象發生，進而改善畫面或亮暗不均的問題。Specifically, as shown in FIG. 2C, the boundary of the spacer 220 is exemplified by a polygon, for example, an octagon. The first sub-pixel electrode 214 and the second sub-pixel electrode 216 of the pixel electrode 213 correspond to the boundary of the octagon of the spacer 220. The first sub-pixel electrode 214 has a first notch 224a, and the second sub-picture The element electrode 216 has a second notch 224b. Specifically, the first notch 224a has a first oblique side L1 and a second oblique side L2, and the second notch 224b has a third oblique side L3 and a fourth oblique side L4. In addition, a spacer 220 located in one of the sub-pixels, for example, a portion of the spacer 220 located in the sub-pixel 208 is located at the first notch 224a and the second sub-pixel electrode of the first sub-pixel electrode 214, respectively. 216 of the second gap 224b. That is, the first sub-pixel electrode 214 and the second sub-pixel electrode 216 can pass through the first notch 224a and the second notch 224b, respectively, and the spacerThe boundaries of 220 are separated by a distance. Therefore, the projections of the spacers 220, the first sub-pixel electrodes 214 and the second sub-pixel electrodes 216 on the top surface S1 of the color resist layer 218 are separated. In other words, the vertical projections of the spacer 220 located in the sub-pixel 208, the first sub-pixel electrode 214 and the second sub-pixel electrode 216 on the top surface of the color resist layer 218 do not overlap each other. Since the spacer 220 avoids the state in which the pixel electrode 102 and the spacer 104 are overlapped on the substrate 111 as shown in FIG. 1B, the phenomenon of liquid crystal misclining above the pixel structure 201A can be reduced, thereby improving. The problem of uneven picture or brightness.
進一步而言，第一子畫素電極214及第二子畫素電極216之其中至少一者可與間隙物220在色阻層218之頂面S1上的垂直投影相隔一段距離。例如，第2B圖中，第一子畫素電極214與間隙物220在色阻層218之頂面S1上的垂直投影相隔第一間隙G1，其中第一間隙G1約介於3微米至7微米之間。Further, at least one of the first sub-pixel electrode 214 and the second sub-pixel electrode 216 may be spaced apart from the vertical projection of the spacer 220 on the top surface S1 of the color resist layer 218. For example, in FIG. 2B, the first sub-pixel electrode 214 is spaced apart from the vertical projection of the spacer 220 on the top surface S1 of the color resist layer 218 by a first gap G1, wherein the first gap G1 is between about 3 micrometers and 7 micrometers. between.
換言之，於畫素結構201A中，位於間隙物220兩側的第一子畫素電極214與第二子畫素電極216不會受間隙物220覆蓋。於此配置下，此處由第一子畫素電極214以及第二子畫素電極216控制的液晶分子210不會受間隙物220的地形影響。因此，可防止畫素結構201A上方的液晶分子210產生不預期的倒向，藉以使顯示面板200A可穩定地提供輸出畫面，並改善亮度不均的問題。In other words, in the pixel structure 201A, the first sub-pixel electrode 214 and the second sub-pixel electrode 216 located on both sides of the spacer 220 are not covered by the spacer 220. In this configuration, the liquid crystal molecules 210 controlled by the first sub-pixel electrode 214 and the second sub-pixel electrode 216 herein are not affected by the topography of the spacer 220. Therefore, the liquid crystal molecules 210 above the pixel structure 201A can be prevented from being unexpectedly reversed, whereby the display panel 200A can stably provide an output picture and improve the problem of uneven brightness.
如第2C圖所示另一方面，為了使該些子畫素其中至少一者具備多域配向方向，例如子畫素208具有至少4個配向方向，因此，第一子畫素電極214具有第一狹縫O1與第二狹縫O2，第二畫素電極216具有第三狹縫O3與第四狹縫O4。第一狹縫O1朝第三方向D3延伸，第二狹縫O2朝第四方向D4延伸，第三狹縫O3朝第二方向D2延伸，第四狹縫O4朝第一方向D1延伸。此外，第一斜邊L1實質上與第一狹縫O1平行，第二斜邊L2實質上與第二狹縫O2平行，第三斜邊L3實質上與第三狹縫O3平行，第四斜邊L4實質上與第四狹縫O4平行。此外，第一狹縫O1、第二狹縫O2、第三狹縫O3及第四狹縫O4，較佳的分別不與第一缺口224a及第二缺口224b垂直。若以間隙物220為中心來看，第一斜邊L1實質上與第四斜邊L4平行，第二斜邊L2實質上與第三斜邊L3平行。換言之，若間隙物220為中心點，可視為第一子畫素電極214之第一狹縫O1之延伸方向對稱於第二子畫素電極214之第四狹縫O4之延伸方向，且第一子畫素電極214之第二狹縫O2之延伸方向對稱於第二子畫素電極214之第三狹縫O3之延伸方向。此外，間隙物220的邊界以圓形為例，第一缺口224a具有第一斜邊L1與第二斜邊L2，而第二缺口224b具有第三斜邊L3與第四斜邊L4。第一斜邊L1、第二斜邊L2、第三斜邊L3與第四斜邊L4較佳係與間隙物220圓形邊界的切線平行。As shown in FIG. 2C, in order to have at least one of the sub-pixels having a multi-domain alignment direction, for example, the sub-pixel 208 has at least four alignment directions, the first sub-pixel electrode 214 has the first a slit O1 and a second narrowThe slit O2, the second pixel electrode 216 has a third slit O3 and a fourth slit O4. The first slit O1 extends in the third direction D3, the second slit O2 extends in the fourth direction D4, the third slit O3 extends in the second direction D2, and the fourth slit O4 extends in the first direction D1. In addition, the first oblique side L1 is substantially parallel to the first slit O1, the second oblique side L2 is substantially parallel to the second slit O2, and the third oblique side L3 is substantially parallel to the third slit O3, and the fourth oblique The side L4 is substantially parallel to the fourth slit O4. Further, the first slit O1, the second slit O2, the third slit O3, and the fourth slit O4 are preferably not perpendicular to the first notch 224a and the second notch 224b, respectively. When viewed from the spacer 220, the first oblique side L1 is substantially parallel to the fourth oblique side L4, and the second oblique side L2 is substantially parallel to the third oblique side L3. In other words, if the spacer 220 is a center point, it can be considered that the extending direction of the first slit O1 of the first sub-pixel electrode 214 is symmetric with the extending direction of the fourth slit O4 of the second sub-pixel electrode 214, and the first The extending direction of the second slit O2 of the sub-pixel electrode 214 is symmetrical with respect to the extending direction of the third slit O3 of the second sub-pixel electrode 214. In addition, the boundary of the spacer 220 is exemplified by a circular shape. The first notch 224a has a first oblique side L1 and a second oblique side L2, and the second notch 224b has a third oblique side L3 and a fourth oblique side L4. The first oblique side L1, the second oblique side L2, the third oblique side L3 and the fourth oblique side L4 are preferably parallel to a tangent to the circular boundary of the spacer 220.
請再回到第2A圖與第2B圖。對應相鄰的子畫素208與208’，資料線206會位於此相鄰的子畫素208與208’間。畫素結構201A可更包含第一輔助間隙物226，其中第一輔助間隙物226以網點方式繪示。第一輔助間隙物226係由不透光之材料構成，例如黑色光阻(Black Resist)、其它多層不同色彩之光阻堆疊、或其他適合材料所組成，以提供遮光的效果。同時也可作為不同顏色之子畫素208與208’的界線，並防止對向基板203接觸設置於基板202上的輔助結構。第一輔助間隙物226設置於基板202上，遮蔽(重疊)資料線206且可選擇性地遮蔽(重疊)掃描線204，其所遮蔽之區域可稱為子畫素之非顯示區。第一輔助間隙物226具有相對的頂面S3與底面B3，其中第一輔助間隙物226的底面B3設置於色阻層218之頂面S1並與色阻層218之頂面S1接觸，且第一輔助間隙物226覆蓋於資料線206之上。也可視為，第一輔助間隙物226設置於該些子畫素208/208’其中至少一者之色阻層218之頂面S1上，並覆蓋資料線。第一輔助間隙物226之底面B3之面積大於第一輔助間隙物226之頂面S3之面積，其中第一輔助間隙物226之底面B3的寬度W2約介於12微米至17微米之間。此外，第一輔助間隙物226的高度(厚度)低於間隙物220的高度(厚度)，其中第一輔助間隙物226的高度與間隙物220的高度之差值約介於1微米至1.2微米之間。Please return to Figures 2A and 2B. Corresponding to adjacent sub-pixels 208 and 208', the data line 206 will be located between the adjacent sub-pixels 208 and 208'. The pixel structure 201A may further include a first auxiliary spacer 226, wherein the first auxiliary spacer 226 is depicted in a dot pattern. The first auxiliary spacer 226 is composed of a material that is opaque, such as a black resist, a stack of other layers of different colors, or other suitable materials to provide a light-shielding effect. withIt can also serve as a boundary between sub-pixels 208 and 208' of different colors, and prevents the opposite substrate 203 from contacting the auxiliary structure provided on the substrate 202. The first auxiliary spacer 226 is disposed on the substrate 202 to shield (overlap) the data line 206 and selectively shield (overlap) the scan line 204, and the area covered by the first line may be referred to as a non-display area of the sub-pixel. The first auxiliary spacer 226 has an opposite top surface S3 and a bottom surface B3, wherein the bottom surface B3 of the first auxiliary spacer 226 is disposed on the top surface S1 of the color resist layer 218 and is in contact with the top surface S1 of the color resist layer 218, and An auxiliary spacer 226 overlies the data line 206. It can also be seen that the first auxiliary spacer 226 is disposed on the top surface S1 of the color resist layer 218 of at least one of the sub-pixels 208/208' and covers the data line. The area of the bottom surface B3 of the first auxiliary spacer 226 is larger than the area of the top surface S3 of the first auxiliary spacer 226, wherein the width W2 of the bottom surface B3 of the first auxiliary spacer 226 is between about 12 micrometers and 17 micrometers. In addition, the height (thickness) of the first auxiliary spacer 226 is lower than the height (thickness) of the spacer 220, wherein the difference between the height of the first auxiliary spacer 226 and the height of the spacer 220 is about 1 micrometer to 1.2 micrometers. between.
於第一輔助間隙物226、子畫素208與208’的設置關係中，相鄰之子畫素208與208’分別具有對應之畫素電極213(例如，第一子畫素電極214與第二子畫素電極216其中至少一者)，其中相鄰之畫素電極213與第一輔助間隙物226在色阻層218之頂面S1上的垂直投影係相互分隔開。換言之，第一輔助間隙物226的邊界與位於其兩側的畫素電極213會相隔一段距離。具體而言，子畫素208中，畫素電極213的第一子畫素電極214及第二子畫素電極216之其中至少一者可與第一輔助間隙物226在色阻層218之頂面S1上的垂直投影相隔一段距離。例如，第2B圖中，第一畫素電極214與第一輔助間隙物226在色阻層218之頂面S1上的垂直投影相隔第二間隙G2，其中第二間隙G2約介於1微米至5微米之間。In the arrangement relationship of the first auxiliary spacer 226 and the sub-pixels 208 and 208', the adjacent sub-pixels 208 and 208' respectively have corresponding pixel electrodes 213 (for example, the first sub-pixel electrodes 214 and the second At least one of the sub-pixel electrodes 216, wherein the adjacent pixel electrodes 213 are spaced apart from the vertical projection of the first auxiliary spacers 226 on the top surface S1 of the color resist layer 218. In other words, the boundary of the first auxiliary spacer 226 is spaced apart from the pixel electrodes 213 located on both sides thereof. Specifically, in the sub-pixel 208, at least one of the first sub-pixel electrode 214 and the second sub-pixel electrode 216 of the pixel electrode 213 and the first auxiliary spacer 226 may be at the top of the color resist layer 218. The vertical projection on face S1 is separated by a distancefrom. For example, in FIG. 2B, the first pixel electrode 214 is spaced apart from the vertical projection of the first auxiliary spacer 226 on the top surface S1 of the color resist layer 218 by a second gap G2, wherein the second gap G2 is approximately 1 micron to Between 5 microns.
換言之，於畫素結構201A中，位於第一輔助間隙物226兩側的第一子畫素電極214與第二子畫素電極216不會受第一輔助間隙物226覆蓋。於此配置下，由於位於第一輔助間隙物226兩側的第一子畫素電極214與第二子畫素電極216不會受第一輔助間隙物226覆蓋。因此，此處由第一子畫素電極214以及第二子畫素電極216控制的液晶分子(未繪示)不會受第一輔助間隙物226的地形影響，從而防止畫素結構200A上方的液晶分子產生不預期的倒向。In other words, in the pixel structure 201A, the first sub-pixel electrode 214 and the second sub-pixel electrode 216 located on both sides of the first auxiliary spacer 226 are not covered by the first auxiliary spacer 226. In this configuration, the first sub-pixel electrode 214 and the second sub-pixel electrode 216 located on both sides of the first auxiliary spacer 226 are not covered by the first auxiliary spacer 226. Therefore, the liquid crystal molecules (not shown) controlled by the first sub-pixel electrode 214 and the second sub-pixel electrode 216 are not affected by the topography of the first auxiliary spacer 226, thereby preventing the upper surface of the pixel structure 200A. Liquid crystal molecules produce unexpected backing.
另一方面，請參見第2B圖，畫素結構201A可更包含至少一凸塊，其中凸塊設置於該些子畫素其中至少一者之間隙物下方，其可用以增加間隙物220之頂面S2與第一輔助間隙物226之頂面S3的高度差或做為儲存電容使用。本實施方式中，畫素結構201A的凸塊包括單凸塊或多凸塊。本發明以多凸塊來說明，例如：多凸塊具有第一凸塊228以及第二凸塊230設置於間隙物220下方，且第一凸塊228以及第二凸塊230於基板202的垂直投影與間隙物220於基板202的垂直投影至少部分重疊。進一步而言，第一凸塊228以及第二凸塊230於基板202的垂直投影會落於間隙物220於基板202的垂直投影內。On the other hand, referring to FIG. 2B, the pixel structure 201A may further include at least one bump, wherein the bump is disposed under the spacer of at least one of the sub-pixels, which may be used to increase the top of the spacer 220. The height difference between the surface S2 and the top surface S3 of the first auxiliary spacer 226 is used as a storage capacitor. In this embodiment, the bump of the pixel structure 201A includes a single bump or a plurality of bumps. The present invention is illustrated by a plurality of bumps. For example, the plurality of bumps have a first bump 228 and the second bump 230 is disposed under the spacer 220, and the first bump 228 and the second bump 230 are perpendicular to the substrate 202. The projection and the vertical projection of the spacer 220 on the substrate 202 at least partially overlap. Further, the vertical projection of the first bump 228 and the second bump 230 on the substrate 202 may fall within the vertical projection of the spacer 220 on the substrate 202.
做為儲存電容使用時，單凸塊或第一凸塊228與第二凸塊230組成材料可選自於非透光導電材料(例如：鋁、銅、銀、鉻、鈦、鉬、或其它合適的材料、或上述材料之合金)、透明導電材料但並不以此為限而可使用其他具有導電性質之材料，可為單層或多層。單凸塊可具有共通訊號(COM)、浮動(floating)訊號或其它合適的訊號。而第一凸塊228可具有共通訊號(COM)或其它合適的訊號，而第二凸塊230可具有浮動(floating)訊號或其它合適的訊號。於其他實施方式中，依照設計人員的需求，間隙物220其下方可選擇性的設置第一凸塊228或第二凸塊230來做為單凸塊。於其他實施方式中，做為增加高度差的凸塊，其材料包含無機材料(例如：氧化矽、氮化矽、氮氧化矽、其它合適的材料、或上述之組合)、有機材料(例如：光阻、聚醯亞胺(polyimide，PI)、苯並環丁烯(BCB)、環氧樹脂(Epoxy)、過氟環丁烷(PFCB)、其它合適的材料、或上述之組合)、或其它合適的材料、或上述之組合。When used as a storage capacitor, the material of the single bump or the first bump 228 and the second bump 230 may be selected from a non-transmissive conductive material (for example: aluminum, copper, silver, chromium, titanium, molybdenum, or the like). Suitable materials, or alloys of the above materials),The transparent conductive material, but not limited thereto, may use other materials having conductive properties, and may be a single layer or a plurality of layers. A single bump can have a common communication number (COM), a floating signal, or other suitable signal. The first bump 228 may have a common communication number (COM) or other suitable signal, and the second bump 230 may have a floating signal or other suitable signal. In other embodiments, the spacers 220 may be selectively disposed with the first bumps 228 or the second bumps 230 as single bumps under the spacers 220. In other embodiments, as a bump for increasing the height difference, the material comprises an inorganic material (for example: yttria, tantalum nitride, niobium oxynitride, other suitable materials, or a combination thereof), and an organic material (for example: Photoresist, polyimide (PI), benzocyclobutene (BCB), epoxy (Epoxy), perfluorocyclobutane (PFCB), other suitable materials, or combinations thereof, or Other suitable materials, or combinations of the foregoing.
綜合上述，於本發明之畫素結構中，由於第一子畫素電極214與第二子畫素電極216可不被間隙物220或間隙物220與第一輔助間隙物226覆蓋，故間隙物220或間隙物220與第一輔助間隙物226周遭的液晶分子210不會受其地形影響。因此，可防止由第一子畫素電極與第二子畫素電極控制的液晶分子210產生不預期的倒向，進而防止造成液晶錯向的現象，藉以使顯示面板可透過畫素結構而穩定地提供輸出畫面，並改善亮度不均的問題。In summary, in the pixel structure of the present invention, since the first sub-pixel electrode 214 and the second sub-pixel electrode 216 are not covered by the spacer 220 or the spacer 220 and the first auxiliary spacer 226, the spacer 220 Or the liquid crystal molecules 210 surrounding the spacers 220 and the first auxiliary spacers 226 are not affected by their topography. Therefore, the liquid crystal molecules 210 controlled by the first sub-pixel electrode and the second sub-pixel electrode can be prevented from being unexpectedly reversed, thereby preventing the liquid crystal from being misaligned, thereby making the display panel stable through the pixel structure. Provides an output screen and improves the problem of uneven brightness.
另一方面，雖第2A圖所繪的畫素結構201A採用四個定義域(4 domains)或稱為4個配向方向的配置方式，然僅為例示，於其他實施方式中，畫素結構也可採八定義域(8 domains)的配置方式，例如，請看到第2D圖，其中第2D圖繪示第2A圖的顯示面板200A的畫素結構201A於另一實施例的上視示意圖。第2D圖所繪的畫素結構201A’大致與第2A圖所繪的畫素結構201A雷同，而其之間至少的差異點在於，第2D圖所繪的畫素結構201A’為採八定義域(或稱為8個配向方向)的配置方式。舉例而言，第一子畫素電極214更包含第五狹縫O5與第六狹縫O6，第二子畫素電極216更包括第七狹縫O7與第八狹縫O8。第五狹縫O5朝第二方向D2延伸，第六狹縫O6朝第一方向D1延伸，第七狹縫O7朝第三方向D3延伸，第八狹縫O8朝第四方向D4延伸，其中，第一子畫素電極214之第一狹縫O1與第二狹縫O2垂直投影於色阻層218上係位於間隙物220與第一子畫素電極214之第五狹縫O5與第六狹縫O6垂直投影於色阻層218上之間，且第二子畫素電極216之第三狹縫O3與第四狹縫O4垂直投影於色阻層218上係位於間隙物220與第二子畫素電極216之第七狹縫O7與第八狹縫O8垂直投影於218色阻層上之間。換言之，第一子畫素電極214之第五狹縫O5與第六狹縫O6係遠離間隙物220，且第二子畫素電極216之第七狹縫O7與第八狹縫O8也遠離間隙物220。第2D圖所繪的畫素結構201A的開關元件包含第一開關元件212a及第二開關元件212b的數量為兩個，其中第一開關元件212a及第二開關元件212b皆包含閘極電極G、半導體通道層CH、源極電極S以及汲極電極D，且閘極電極G連接至掃描線204，而汲極電極D以及源極電極S電性連接於資料線206。於部份實施例中，第一開關元件212a及第二開關元件212b之源極電極S可直接連接且形成一共用源極電極，其可電性連接資料線及/或第一開關元件212a及第二開關元件212b之閘極電極G可直接連接且形成一共用閘極電極，其可電性連接掃描線204。畫素電極213不存在連接電極234，第一子畫素電極214與第二子畫素電極係相互分隔開來，而第一子畫素電極214連接第一開關元件212a(即汲極電極D)，第二子畫素電極216連接第二開關元件212b(即汲極電極D)，則第一畫素電極214以及第二畫素電極216可具有不同的操作電壓。On the other hand, although the pixel structure 201A depicted in FIG. 2A adopts four domains (4 domains) or four alignment directions, it is merely an example. In other embodiments, the pixel structure is also You can configure the eight domains (8 domains), for example, please see the 2D map, where the 2D mapA schematic diagram of a pixel structure 201A of the display panel 200A of FIG. 2A is shown in a top view of another embodiment. The pixel structure 201A' depicted in FIG. 2D is substantially identical to the pixel structure 201A depicted in FIG. 2A, and at least the difference between them is that the pixel structure 201A' drawn in the 2D figure is a definition of the pixel The configuration of the domain (or 8 orientation directions). For example, the first sub-pixel electrode 214 further includes a fifth slit O5 and a sixth slit O6, and the second sub-pixel electrode 216 further includes a seventh slit O7 and an eighth slit O8. The fifth slit O5 extends toward the second direction D2, the sixth slit O6 extends toward the first direction D1, the seventh slit O7 extends toward the third direction D3, and the eighth slit O8 extends toward the fourth direction D4, wherein The first slit O1 and the second slit O2 of the first sub-pixel electrode 214 are perpendicularly projected on the color resist layer 218 and are located in the fifth slit O5 and the sixth slit of the spacer 220 and the first sub-pixel electrode 214. The slit O6 is vertically projected between the color resist layer 218, and the third slit O3 of the second sub-pixel electrode 216 and the fourth slit O4 are perpendicularly projected on the color resist layer 218 to be located in the spacer 220 and the second sub- The seventh slit O7 of the pixel electrode 216 and the eighth slit O8 are vertically projected between the 218 color resist layers. In other words, the fifth slit O5 and the sixth slit O6 of the first sub-pixel electrode 214 are away from the spacer 220, and the seventh slit O7 and the eighth slit O8 of the second sub-pixel electrode 216 are also away from the gap. Object 220. The switching element of the pixel structure 201A depicted in FIG. 2D includes two numbers of the first switching element 212a and the second switching element 212b, wherein the first switching element 212a and the second switching element 212b each include a gate electrode G, The semiconductor channel layer CH, the source electrode S and the drain electrode D, and the gate electrode G is connected to the scan line 204, and the drain electrode D and the source electrode S are electrically connected to the data line 206. In some embodiments, the source electrodes S of the first switching element 212a and the second switching element 212b can be directly connected and form a common source electrode, which can be electrically connected to the data line and/or the first opening.The gate electrode G of the off element 212a and the second switching element 212b can be directly connected and form a common gate electrode that can be electrically connected to the scan line 204. The pixel electrode 213 does not have the connection electrode 234, the first sub-pixel electrode 214 and the second sub-pixel electrode are separated from each other, and the first sub-pixel electrode 214 is connected to the first switching element 212a (ie, the drain electrode) D), the second sub-pixel electrode 216 is connected to the second switching element 212b (ie, the drain electrode D), and the first pixel electrode 214 and the second pixel electrode 216 may have different operating voltages.
進一步而言，不論畫素結構的配置多域方式為採用四定義域或八定義域，其間隙物220或間隙物220及第一輔助間隙物226在色阻層218上的垂直投影與畫素電極213在色阻層218上的垂直投影係可為相互分隔開，以使位於間隙物220或間隙物220與第一輔助間隙物226周遭的液晶分子不會受地形影響，進而防止造成液晶錯向的現象。Further, regardless of the configuration multi-domain mode of the pixel structure, the vertical projection and the pixel of the spacer 220 or the spacer 220 and the first auxiliary spacer 226 on the color resist layer 218 are adopted by using four or eight defined domains. The vertical projections of the electrodes 213 on the color resist layer 218 may be spaced apart from each other such that liquid crystal molecules located around the spacers 220 or the spacers 220 and the first auxiliary spacers 226 are not affected by the topography, thereby preventing liquid crystals from being formed. The wrong way.
請再看到第3A圖與第3B圖，其中第3A圖繪示本發明第二實施方式之顯示面板200B的上視示意圖，其中對向基板203及液晶層209未繪示於第3A圖之中，而第3B圖繪示沿第3A圖的線段EE’的剖面示意圖。本實施方式與第一實施方式的至少一個差異為，本實施方式的顯示面板200B的畫素結構201B更包含第二輔助間隙物232，其中間隙物220與第二輔助間隙物232分別位於相鄰之子畫素208與208’之中。換言之，間隙物220設置於子畫素208與208’其中一者，第二輔助間隙物232設置於子畫素208與208’另一者為範例。3A and 3B, wherein FIG. 3A is a top view of the display panel 200B according to the second embodiment of the present invention, wherein the opposite substrate 203 and the liquid crystal layer 209 are not shown in FIG. 3A. 3B shows a schematic cross-sectional view along the line segment EE' of FIG. 3A. The difference between the embodiment and the first embodiment is that the pixel structure 201B of the display panel 200B of the present embodiment further includes the second auxiliary spacer 232, wherein the spacer 220 and the second auxiliary spacer 232 are respectively adjacent to each other. The sub-pixels are between 208 and 208'. In other words, the spacer 220 is disposed in one of the sub-pixels 208 and 208', and the second auxiliary spacer 232 is disposed in the other of the sub-pixels 208 and 208'.
於子畫素208’之中，第二輔助間隙物232設置於畫素電極213的第一子畫素電極214與第二子畫素電極216之間，並具有相對的頂面S4與底面B4，其中第二輔助間隙物232之底面B4設置於色阻層218之頂面S1上並與色阻層218之頂面S1接觸，且第二輔助間隙物232之底面B4的寬度W3介於10微米至20微米之間。此外，第二輔助間隙物232之底面B4之面積大於第二輔助間隙物232之頂面S4之面積，換言之，第二輔助間隙物232為立體的梯形。Among the sub-pixels 208', the second auxiliary spacer 232 is disposed on the first sub-pixel electrode 214 and the second sub-pixel electrode 216 of the pixel electrode 213.And having a top surface S4 and a bottom surface B4, wherein the bottom surface B4 of the second auxiliary spacer 232 is disposed on the top surface S1 of the color resist layer 218 and is in contact with the top surface S1 of the color resist layer 218, and the second auxiliary The width W3 of the bottom surface B4 of the spacer 232 is between 10 microns and 20 microns. In addition, the area of the bottom surface B4 of the second auxiliary spacer 232 is larger than the area of the top surface S4 of the second auxiliary spacer 232. In other words, the second auxiliary spacer 232 is a three-dimensional trapezoid.
除此之外，同前所述，間隙物220與第二輔助間隙物232分別設置於子畫素208與208’之中，其中間隙物220所在的子畫素208較佳為提供藍色子像素，而第二輔助間隙物232所在的子畫素208’為較佳提供綠色子像素、紅色子像素或其它顏色子畫素。換言之，間隙物220與第二輔助間隙物232分別為覆蓋色阻層218之中的不同顏色的色阻219與219’，其中由間隙物220所覆蓋的色阻219為藍色色阻以顯示藍色，而由第二輔助間隙物232所覆蓋的色阻219’為綠色色阻以顯示綠色或其它顏色色阻以顯示其它顏色。In addition, as described above, the spacer 220 and the second auxiliary spacer 232 are respectively disposed in the sub-pixels 208 and 208', wherein the sub-pixel 208 where the spacer 220 is located preferably provides a blue sub-pixel. The pixels, and the sub-pixels 208' where the second auxiliary spacers 232 are located, preferably provide green sub-pixels, red sub-pixels or other color sub-pixels. In other words, the spacers 220 and the second auxiliary spacers 232 are color resists 219 and 219 ′ of different colors covering the color resist layer 218 , respectively, wherein the color resist 219 covered by the spacers 220 is blue color resist to display blue. The color resist 219' covered by the second auxiliary spacer 232 is a green color resist to display green or other color resist to display other colors.
另一方面，第二輔助間隙物232的高度係低於間隙物220的高度，但高於第一子畫素電極214及第二子畫素電極216之其中至少一者之高度，其中間隙物220的高度與第二輔助間隙物232的高度之差值介於0.3微米至0.5微米之間。On the other hand, the height of the second auxiliary spacer 232 is lower than the height of the spacer 220, but higher than the height of at least one of the first sub-pixel electrode 214 and the second sub-pixel electrode 216, wherein the spacer The difference between the height of 220 and the height of the second auxiliary spacer 232 is between 0.3 microns and 0.5 microns.
於此配置下，第二輔助間隙物232可用以第二輔助間隙物232支撐對向基板203。例如，當間隙物220發生形變，使得對向基板203靠近基板202時，第二輔助間隙物232可輔助支撐住對向基板203。此外，第二輔助間隙物232除提供支撐效果外，其也可由不透光之材料構成，以同時提供支撐與遮光的效果。除此之外，第二輔助間隙物232的高度可高於第一輔助間隙物226的高度，亦即，第二輔助間隙物232的高度介於間隙物220的高度與第一輔助間隙物226的高度之間。In this configuration, the second auxiliary spacer 232 can support the opposite substrate 203 with the second auxiliary spacer 232. For example, when the spacer 220 is deformed such that the opposite substrate 203 is close to the substrate 202, the second auxiliary spacer 232 can assist in supporting the opposite substrate 203. In addition, in addition to providing a supporting effect, the second auxiliary spacer 232 may also be composed of an opaque material to provide support at the same time.With the effect of shading. In addition, the height of the second auxiliary spacer 232 may be higher than the height of the first auxiliary spacer 226, that is, the height of the second auxiliary spacer 232 is between the height of the spacer 220 and the first auxiliary spacer 226 Between the heights.
於第二輔助間隙物232、第一畫素電極214與第二畫素電極216的設置關係中，第二輔助間隙物232、第一畫素電極214與第二畫素電極216的邊界可相隔一段距離。同前述之間隙物220、畫素電極213的設置關係，於子畫素208’中，畫素電極213的第一子畫素電極214及第二子畫素電極216可分別透過第一缺口224a與第二缺口224b，而與第二輔助間隙物232的邊界相隔一段距離。因此，第二輔助間隙物232、第一子畫素電極214與第二子畫素電極216在色阻層218之頂面S1上的垂直投影係相互分隔。進一步而言，第一子畫素電極214及第二子畫素電極216之其中至少一者可與第二輔助間隙物232在色阻層218之頂面S1上的垂直投影相隔一段距離。例如，第3B圖中，第一畫素電極214與第二輔助間隙物232在色阻層218之頂面S1上的子投影相隔第三間隙G3，其中第三間隙G3約介於1微米至5微米之間。In the arrangement relationship of the second auxiliary spacer 232, the first pixel electrode 214 and the second pixel electrode 216, the boundaries of the second auxiliary spacer 232, the first pixel electrode 214 and the second pixel electrode 216 may be separated. A distance. The first sub-pixel electrode 214 and the second sub-pixel electrode 216 of the pixel electrode 213 can pass through the first notch 224a, respectively, in the arrangement of the spacer 220 and the pixel electrode 213. And the second gap 224b, and a distance from the boundary of the second auxiliary spacer 232. Therefore, the vertical projections of the second auxiliary spacers 232, the first sub-pixel electrodes 214 and the second sub-pixel electrodes 216 on the top surface S1 of the color resist layer 218 are separated from each other. Further, at least one of the first sub-pixel electrode 214 and the second sub-pixel electrode 216 may be spaced apart from the vertical projection of the second auxiliary spacer 232 on the top surface S1 of the color resist layer 218. For example, in FIG. 3B, the sub-projection of the first pixel electrode 214 and the second auxiliary spacer 232 on the top surface S1 of the color resist layer 218 is separated by a third gap G3, wherein the third gap G3 is approximately 1 micron to Between 5 microns.
換言之，於畫素結構201B中，位於第二輔助間隙物232兩側的第一子畫素電極214與第二子畫素電極216不會受第二輔助間隙物232覆蓋。於此配置下，此處由第一子畫素電極214以及第二子畫素電極216控制的液晶分子210不會受第二輔助間隙物232的地形影響。因此，可防止畫素結構201B上方的液晶分子產生不預期的倒向，進而防止造成液晶錯向的現象，藉以使顯示面板200B可透過畫素結構201B而穩定地提供輸出畫面，並改善亮度不均的問題。本實施例其它描述除了，可參閱第2A~2C圖描述之外，亦可參閱第2D圖描述，於此不再贅述。In other words, in the pixel structure 201B, the first sub-pixel electrode 214 and the second sub-pixel electrode 216 located on both sides of the second auxiliary spacer 232 are not covered by the second auxiliary spacer 232. In this configuration, the liquid crystal molecules 210 controlled by the first sub-pixel electrode 214 and the second sub-pixel electrode 216 are not affected by the topography of the second auxiliary spacer 232. Therefore, it is possible to prevent the liquid crystal molecules above the pixel structure 201B from being unexpectedly reversed, thereby preventing the phenomenon that the liquid crystal is misaligned, thereby making the display panel 200B stably pass through the pixel structure 201B.For output screens and to improve the problem of uneven brightness. Other descriptions of this embodiment are described in addition to the description of FIGS. 2A-2C, and can also be referred to the description of FIG. 2D, and details are not described herein again.
綜上所述，於本發明之畫素結構中，第一子畫素電極與第二子畫素電極可對應間隙物及/或第二輔助間隙物的邊界，調整其圖案的輪廓，使得第一畫素電極與第二畫素電極於色阻層上的垂直投影與間隙物及/或第二輔助間隙物於色阻層上的垂直投影為互相分隔的。另一方面，第一子畫素電極與第二子畫素電極也可透過與第一輔助間隙物分隔一段間隙，而使第一子畫素電極與第二子畫素電極於色阻層上的垂直投影與第一輔助間隙物於色阻層上的垂直投影為互相分隔的。於此配置下，第一子畫素電極與第二子畫素電極可不被間隙物、第一輔助間隙物以及第二輔助間隙物其中至少一者，例如：間隙物、間隙物與第一輔助間隙物、間隙物與第二輔助間隙物、或間隙物、第一輔助間隙物及第二輔助間隙物覆蓋，使得第一子畫素電極與第二子畫素電極對液晶分子的控制可不受間隙物、第一輔助間隙物以及第二輔助間隙物其中至少一者的地形影響，藉以防止液晶分子產生不預期的倒向，進而防止造成液晶錯向的現象。In summary, in the pixel structure of the present invention, the first sub-pixel electrode and the second sub-pixel electrode may correspond to the boundary of the spacer and/or the second auxiliary spacer, and adjust the contour of the pattern, so that The vertical projection of the pixel electrode and the second pixel electrode on the color resist layer and the vertical projection of the spacer and/or the second auxiliary spacer on the color resist layer are separated from each other. On the other hand, the first sub-pixel electrode and the second sub-pixel electrode are also separated from the first auxiliary spacer by a gap, and the first sub-pixel electrode and the second sub-pixel electrode are disposed on the color resist layer. The vertical projection is separated from the vertical projection of the first auxiliary spacer on the color resist layer. In this configuration, the first sub-pixel electrode and the second sub-pixel electrode may not be at least one of the spacer, the first auxiliary spacer, and the second auxiliary spacer, for example, the spacer, the spacer, and the first auxiliary. The spacer, the spacer and the second auxiliary spacer, or the spacer, the first auxiliary spacer and the second auxiliary spacer are covered, so that the control of the liquid crystal molecules by the first sub-pixel electrode and the second sub-pixel electrode is not controlled The topography of at least one of the spacer, the first auxiliary spacer, and the second auxiliary spacer prevents the liquid crystal molecules from being unexpectedly reversed, thereby preventing the liquid crystal from being misaligned.
雖然本發明已以多種實施方式揭露如上，然其並非用以限定本發明，任何熟習此技藝者，在不脫離本發明之精神和範圍內，當可作各種之更動與潤飾，因此本發明之保護範圍當視後附之申請專利範圍所界定者為準。While the invention has been described above in terms of various embodiments, it is not intended to limit the invention, and the invention may be modified and modified without departing from the spirit and scope of the invention. The scope of protection is subject to the definition of the scope of the patent application attached.
200A‧‧‧顯示面板200A‧‧‧ display panel
201A‧‧‧畫素結構201A‧‧‧ pixel structure
202‧‧‧基板202‧‧‧Substrate
203‧‧‧對向基板203‧‧‧ opposite substrate
206‧‧‧資料線206‧‧‧Information line
208、208’‧‧‧畫素區域208, 208’‧‧‧ pixel area
209‧‧‧液晶層209‧‧‧Liquid layer
210‧‧‧液晶分子210‧‧‧liquid crystal molecules
213‧‧‧畫素電極213‧‧‧ pixel electrodes
218‧‧‧色阻層218‧‧ ‧ color resist layer
219、219’‧‧‧色阻219, 219’ ‧ ‧ color resistance
220‧‧‧間隙物220‧‧‧Interval
222‧‧‧側壁222‧‧‧ side wall
226‧‧‧第一輔助間隙物226‧‧‧First auxiliary spacer
228‧‧‧第一凸塊228‧‧‧First bump
230‧‧‧第二凸塊230‧‧‧second bump
B1、B2、B3‧‧‧底面B1, B2, B3‧‧‧ bottom
G1‧‧‧第一間隙G1‧‧‧ first gap
G2‧‧‧第二間隙G2‧‧‧Second gap
S1、S2、S3‧‧‧頂面S1, S2, S3‧‧‧ top
W1、W2‧‧‧寬度W1, W2‧‧‧ width
θ‧‧‧銳角Θ‧‧‧ acute angle
DD’‧‧‧線段DD’‧‧‧ segment
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW105126266ATWI592718B (en) | 2016-08-17 | 2016-08-17 | Pixel structure and display pannel applying the same |
| CN201610930039.2ACN106324925B (en) | 2016-08-17 | 2016-10-31 | Pixel structure and display panel using the same |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW105126266ATWI592718B (en) | 2016-08-17 | 2016-08-17 | Pixel structure and display pannel applying the same |
| Publication Number | Publication Date |
|---|---|
| TWI592718Btrue TWI592718B (en) | 2017-07-21 |
| TW201809819A TW201809819A (en) | 2018-03-16 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW105126266ATWI592718B (en) | 2016-08-17 | 2016-08-17 | Pixel structure and display pannel applying the same |
| Country | Link |
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| CN (1) | CN106324925B (en) |
| TW (1) | TWI592718B (en) |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111025719A (en)* | 2019-12-13 | 2020-04-17 | 武汉华星光电技术有限公司 | Display panel and display device |
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