技术领域technical field
本发明涉及显示技术领域，更具体地，涉及一种显示面板及其驱动方法和显示装置。The present invention relates to the field of display technology, and more specifically, to a display panel, a driving method thereof, and a display device.
背景技术Background technique
随着显示技术在智能穿戴以及其他便携式电子设备中的应用，对显示面板的外形有了多样化的要求，随之出现了异形显示面板。With the application of display technology in smart wearables and other portable electronic devices, there are diversified requirements for the shape of display panels, and special-shaped display panels appear.
相较于常规的显示面板，异形显示面板的主要区别在于其显示区域呈现非矩形的特殊形状，如圆形、环形、菱形等，而显示面板中的像素多为矩形结构或者其他较为规则的结构，因此，当其应用于异形显示面板时，在靠近显示面板的异形边界区域，像素与显示面板的异形边界线并不能完全配合，会造成显示面板的靠近异形边界的显示区在显示时呈现锯齿状的纹路，边界位置图案不圆滑，影响靠近异形边界的显示区的显示效果。Compared with conventional display panels, the main difference of special-shaped display panels is that the display area presents special non-rectangular shapes, such as circles, rings, rhombuses, etc., while the pixels in the display panels are mostly rectangular structures or other more regular structures. , therefore, when it is applied to a special-shaped display panel, in the special-shaped boundary area close to the display panel, the pixels and the special-shaped boundary line of the display panel cannot be fully matched, which will cause the display area of the display panel close to the special-shaped boundary to appear jagged. Shaped texture, the pattern at the border is not smooth, which affects the display effect of the display area near the border of the special shape.
因此，提供一种显示面板及其驱动方法和显示装置，改善显示区锯齿现象是本领域亟待解决的问题。Therefore, it is an urgent problem to be solved in this field to provide a display panel, its driving method and a display device, and to improve the jaggy phenomenon in the display area.
发明内容Contents of the invention
有鉴于此，本发明提供了一种显示面板及其驱动方法和显示装置，解决了改善显示区锯齿现象的技术问题。In view of this, the present invention provides a display panel, a driving method thereof, and a display device, which solve the technical problem of improving the sawtooth phenomenon in the display area.
为了解决上述技术问题，本发明提出一种显示面板，包括：显示区，显示区具有异形边界；显示区包括多个像素，像素沿第一方向排列形成像素行，在显示区多个像素行沿第二方向排列，第一方向与第二方向交叉；与异形边界相邻的多个像素行中：在靠近异形边界的边缘，相邻的两个像素行中一个像素行相对另一个像素行内缩1个像素；显示面板还包括背光源，背光源至少包括第一颜色光源、第二颜色光源和第三颜色光源；其中，像素通过场序显示的方式实现混色显示。In order to solve the above-mentioned technical problems, the present invention proposes a display panel, including: a display area, the display area has a special-shaped boundary; the display area includes a plurality of pixels, and the pixels are arranged along the first direction to form pixel rows. Arranged in the second direction, the first direction intersects with the second direction; in the plurality of pixel rows adjacent to the special-shaped boundary: at the edge close to the special-shaped boundary, one of the two adjacent pixel rows shrinks relative to the other pixel row 1 pixel; the display panel also includes a backlight, and the backlight includes at least a first-color light source, a second-color light source, and a third-color light source; wherein, the pixels realize color-mixing display through field sequential display.
进一步地，为了解决上述技术问题，本发明提出一种显示面板的驱动方法，用于驱动本发明提出的任意一种显示面板，显示面板包括背光驱动和显示驱动，驱动方法包括：Further, in order to solve the above technical problems, the present invention proposes a display panel driving method for driving any display panel proposed in the present invention. The display panel includes backlight driving and display driving. The driving method includes:
在每一帧画面的显示过程中，背光驱动和显示驱动均开启；During the display process of each frame, both the backlight driver and the display driver are turned on;
在第一场序，背光驱动控制第一颜色光源发光；In the first field sequence, the backlight drive controls the light source of the first color to emit light;
在第二场序，背光驱动控制第二颜色光源发光；In the second field sequence, the backlight drive controls the light source of the second color to emit light;
在第三场序，背光驱动控制第三颜色光源发光；In the third field sequence, the backlight driver controls the third color light source to emit light;
在每一场序中，显示驱动控制像素中的液晶分子发生偏转，实现像素的灰阶显示。In each field sequence, the display driver controls the deflection of the liquid crystal molecules in the pixels to realize the grayscale display of the pixels.
进一步地，为了解决上述技术问题，本发明提出一种显示装置包括本发明提出的任意一种显示面板。Further, in order to solve the above technical problem, the present invention proposes a display device including any display panel proposed in the present invention.
与现有技术相比，本发明的显示面板及其驱动方法和显示装置，实现了如下的有益效果：本发明中在与异形边界相邻的像素行中，相邻的两个像素行中一个像素行相对于另一个像素行内缩一个像素，本发明与相关技术相比，能够明显减小在靠近异形边界一侧相邻的两个像素行形成的台阶的大小，减轻显示时的边缘锯齿感。另外，本发明中像素通过场序显示的方式实现混色显示，也即本发明中单个像素即能实现不同颜色的显示，而相关技术中需要至少三个不同颜色的子像素构成一个像素才能实现不同颜色的显示。本发明能够明显提升显示面板的PPI，提升显示效果。Compared with the prior art, the display panel and its driving method and display device of the present invention achieve the following beneficial effects: In the present invention, in the pixel row adjacent to the irregular border, one of the two adjacent pixel rows Compared with the related technology, the pixel row shrinks by one pixel relative to the other pixel row, and the present invention can significantly reduce the size of the steps formed by two adjacent pixel rows on the side close to the special-shaped boundary, and reduce the edge jagged feeling when displaying . In addition, the pixels in the present invention realize mixed color display through field sequential display, that is, a single pixel in the present invention can display different colors, while in the related art, at least three sub-pixels of different colors are required to form a pixel to realize different colors. Color display. The present invention can obviously improve the PPI of the display panel and improve the display effect.
通过以下参照附图对本发明的示例性实施例的详细描述，本发明的其它特征及其优点将会变得清楚。Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the present invention with reference to the accompanying drawings.
附图说明Description of drawings
被结合在说明书中并构成说明书的一部分的附图示出了本发明的实施例，并且连同其说明一起用于解释本发明的原理。The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention.
图1为相关技术中一种显示面板的局部示意图；FIG. 1 is a partial schematic diagram of a display panel in the related art;
图2为本发明实施例提供的显示面板一种可选实施方式示意图；FIG. 2 is a schematic diagram of an optional implementation manner of a display panel provided by an embodiment of the present invention;
图3为本发明实施例提供的显示面板的局部示意图；FIG. 3 is a partial schematic diagram of a display panel provided by an embodiment of the present invention;
图4为本发明实施例提供的显示面板的另一种可选实施方式示意图；FIG. 4 is a schematic diagram of another optional implementation manner of a display panel provided by an embodiment of the present invention;
图5为本发明实施例提供的显示面板的另一种可选实施方式示意图；FIG. 5 is a schematic diagram of another optional implementation manner of a display panel provided by an embodiment of the present invention;
图6为本发明实施例提供的显示面板的另一种可选实施方式示意图；FIG. 6 is a schematic diagram of another optional implementation manner of a display panel provided by an embodiment of the present invention;
图7为本发明实施例提供的显示面板的另一种可选实施方式膜层示意图；Fig. 7 is a schematic diagram of another optional embodiment of the film layer of the display panel provided by the embodiment of the present invention;
图8为本发明实施例提供的显示面板一种可选实施方式俯视示意图；FIG. 8 is a schematic top view of an optional implementation manner of a display panel provided by an embodiment of the present invention;
图9为本发明实施例提供的显示面板一种可选实施方式结构示意图；FIG. 9 is a schematic structural diagram of an optional implementation manner of a display panel provided by an embodiment of the present invention;
图10为本发明实施例提供的显示面板另一种可选实施方式结构示意图；FIG. 10 is a schematic structural diagram of another optional implementation manner of a display panel provided by an embodiment of the present invention;
图11为本发明实施例提供的显示面板另一种可选实施方式膜层结构图；Fig. 11 is a film layer structure diagram of another optional implementation mode of the display panel provided by the embodiment of the present invention;
图12为本发明实施例提供的显示面板另一种可选实施方式俯视示意图；Fig. 12 is a schematic top view of another optional implementation manner of a display panel provided by an embodiment of the present invention;
图13为本发明实施例提供的显示面板驱动方法流程图；FIG. 13 is a flowchart of a display panel driving method provided by an embodiment of the present invention;
图14为本发明实施例提供的显示面板驱动方法一种可选实施方式流程图；FIG. 14 is a flow chart of an optional implementation manner of a display panel driving method provided by an embodiment of the present invention;
图15为本发明实施例提供的显示装置示意图。FIG. 15 is a schematic diagram of a display device provided by an embodiment of the present invention.
具体实施方式Detailed ways
现在将参照附图来详细描述本发明的各种示例性实施例。应注意到：除非另外具体说明，否则在这些实施例中阐述的部件和步骤的相对布置、数字表达式和数值不限制本发明的范围。Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangements of components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
以下对至少一个示例性实施例的描述实际上仅仅是说明性的，决不作为对本发明及其应用或使用的任何限制。The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses.
对于相关领域普通技术人员已知的技术、方法和设备可能不作详细讨论，但在适当情况下，所述技术、方法和设备应当被视为说明书的一部分。Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods and devices should be considered part of the description.
在这里示出和讨论的所有例中，任何具体值应被解释为仅仅是示例性的，而不是作为限制。因此，示例性实施例的其它例可以具有不同的值。In all examples shown and discussed herein, any specific values should be construed as exemplary only, and not as limitations. Therefore, other instances of the exemplary embodiment may have different values.
应注意到：相似的标号和字母在下面的附图中表示类似项，因此，一旦某一项在一个附图中被定义，则在随后的附图中不需要对其进行进一步讨论。It should be noted that like numerals and letters denote like items in the following figures, therefore, once an item is defined in one figure, it does not require further discussion in subsequent figures.
图1为相关技术中一种显示面板的局部示意图。如图1所示，显示面板的显示区具有异形边界Y′，在靠近异形边界Y′的位置，像素行pH′相对于相邻的像素行pH′内缩，即相邻的两个像素行pH′中设置的像素p′单元的个数不等，导致显示区在靠近异形边界Y′处形成多个台阶T′，显示面板在显示时显示区边缘出现锯齿形状，影响显示效果，其中，一个像素单元p′包括三个颜色不同的子像素sp′。为了实现彩色画面的正常显示，上述显示面板中内缩的一般为能实现不同灰阶显示的完整的一个或者多个像素单元，且一个像素单元需要包括至少三种不同颜色的子像素，在靠近异形边界一侧，相邻的两个像素行之间相差一个或者多个像素单元，则相邻的两个像素行形成较大的台阶，显示时锯齿感非常明显。为了改善上述问题，发明人提出一种显示面板及其驱动方法和显示装置，设置在靠近异形边界的边缘，相邻的两个像素行中一个像素行相对另一个像素行内缩一个像素，本发明中的像素通过场序显示的方式实现混色显示，与相关技术相比能够减小在靠近异形边界一侧相邻的两个像素行形成的台阶的大小，减轻显示时的边缘锯齿感。FIG. 1 is a partial schematic diagram of a display panel in the related art. As shown in Figure 1, the display area of the display panel has a special-shaped boundary Y'. At a position close to the special-shaped boundary Y', the pixel row pH' shrinks relative to the adjacent pixel row pH', that is, two adjacent pixel rows The number of pixel p' units set in pH' is not equal, resulting in the formation of multiple steps T' in the display area near the special-shaped boundary Y'. When the display panel is displayed, a zigzag shape appears on the edge of the display area, which affects the display effect. Among them, One pixel unit p' includes three sub-pixels sp' of different colors. In order to realize the normal display of color images, the inside of the above-mentioned display panel is generally one or more complete pixel units capable of displaying different gray scales, and a pixel unit needs to include at least three sub-pixels of different colors. On the side of the special-shaped boundary, if there is a difference of one or more pixel units between two adjacent pixel rows, then the two adjacent pixel rows form a large step, and the jagged feeling is very obvious when displayed. In order to improve the above problems, the inventor proposes a display panel and its driving method and display device, which are arranged on the edge close to the border of the special shape, and one of the two adjacent pixel rows shrinks by one pixel relative to the other pixel row. The present invention The pixels in the display realize mixed color display by means of field sequential display, which can reduce the size of the steps formed by two adjacent pixel rows on the side close to the irregular boundary compared with related technologies, and reduce the edge jaggedness during display.
图2为本发明实施例提供的显示面板一种可选实施方式示意图。图3为本发明实施例提供的显示面板的局部示意图。FIG. 2 is a schematic diagram of an optional implementation manner of a display panel provided by an embodiment of the present invention. FIG. 3 is a partial schematic diagram of a display panel provided by an embodiment of the present invention.
如图2所示，显示面板包括：显示区AA，显示区AA具有异形边界Y；其中异形边界Y通常为显示区AA为了适应显示面板的非显示区BA(也即显示面板边框)的形状而形成的，其中图2仅是示意性表示，本发明提供的显示面板的显示区AA也可以具有多个异形边界Y，例如显示面板的拐角均为弧形拐角，或者显示面板的显示区AA具有弧形缺口等。As shown in Figure 2, the display panel includes: a display area AA, and the display area AA has a special-shaped boundary Y; wherein the special-shaped boundary Y is usually the shape of the display area AA in order to adapt to the shape of the non-display area BA of the display panel (that is, the frame of the display panel) Formed, wherein FIG. 2 is only a schematic representation, the display area AA of the display panel provided by the present invention can also have a plurality of special-shaped boundaries Y, for example, the corners of the display panel are all arc-shaped corners, or the display area AA of the display panel has Arc notch etc.
图3为显示面板局部示意图，如图3所示，显示区包括多个像素p，像素p沿第一方向a排列形成像素行pH，在显示区多个像素行pH沿第二方向b排列，第一方向a与第二方向b交叉；与异形边界Y相邻的多个像素行pH中：在靠近异形边界Y的边缘，相邻的两个像素行pH中一个像素行pH相对另一个像素行pH内缩1个像素p；显示面板还包括背光源，背光源至少包括第一颜色光源、第二颜色光源和第三颜色光源，第一颜色光源、第二颜色光源和第三颜色光源分别作为三基色(红、绿、蓝)光源中一种；其中，像素p通过场序显示的方式实现混色显示。场序显示即根据时间混色法实现显示，顺序地让三种基色光出现在同一表面的同一处，当相隔的时间间隔足够小时，人眼会感到这三种基色光是同时出现的，具有三种基色相加后所得颜色的效果。3 is a partial schematic diagram of a display panel. As shown in FIG. 3 , the display area includes a plurality of pixels p, and the pixels p are arranged along the first direction a to form a pixel row pH, and in the display area, a plurality of pixel rows pH are arranged along the second direction b, The first direction a intersects the second direction b; among the multiple pixel rows pH adjacent to the irregular boundary Y: at the edge close to the irregular boundary Y, one pixel row pH is opposite to the other pixel among the two adjacent pixel rows pH The row pH is indented by 1 pixel p; the display panel also includes a backlight, and the backlight includes at least a first color light source, a second color light source, and a third color light source, and the first color light source, the second color light source, and the third color light source are respectively As one of the three primary color (red, green, blue) light sources; wherein, the pixel p realizes color-mixing display by means of field sequential display. Field sequential display is to realize the display according to the time mixing method, and sequentially let the three primary color lights appear at the same place on the same surface. When the time interval between them is small enough, the human eye will feel that the three primary color lights appear at the same time. The effect of the color obtained after adding the two primary colors.
本发明中在与异形边界相邻的像素行中，相邻的两个像素行中一个像素行相对于另一个像素行内缩一个像素，本发明中像素通过场序显示的方式实现混色显示，也即本发明中单个像素即能实现不同颜色的显示，而相关技术中需要至少三个不同颜色的子像素构成一个像素才能实现不同颜色的显示。显示面板制作时，本发明中像素的尺寸可以小于相关技术中像素的尺寸，本发明提供的显示面板中像素的尺寸可以与相关技术中单个子像素的尺寸相同，当相关技术中一个像素包括三个子像素时，本发明中像素尺寸仅为相关技术中像素尺寸的三分之一。在相关技术中相邻的两个像素行相对内缩至少三个子像素形成台阶，而本发明中相邻的两个像素行相对内缩一个像素(相关技术中单个子像素大小)形成台阶，本发明与相关技术相比，能够明显减小在靠近异形边界一侧相邻的两个像素行形成的台阶的大小，减轻显示时的边缘锯齿感。In the present invention, in the pixel row adjacent to the special-shaped boundary, one of the two adjacent pixel rows is retracted by one pixel relative to the other pixel row. That is, a single pixel in the present invention can display different colors, but in the related art, at least three sub-pixels of different colors are required to form a pixel to realize different colors. When the display panel is manufactured, the size of the pixel in the present invention can be smaller than the size of the pixel in the related art, and the size of the pixel in the display panel provided by the present invention can be the same as the size of a single sub-pixel in the related art. When a pixel in the related art includes three When there are three sub-pixels, the pixel size in the present invention is only one-third of the pixel size in the related art. In the related art, two adjacent pixel rows are relatively retracted by at least three sub-pixels to form a step, but in the present invention, two adjacent pixel rows are relatively retracted by one pixel (the size of a single sub-pixel in the related technology) to form a step. Compared with the related art, the invention can significantly reduce the size of the steps formed by two adjacent pixel rows on the side close to the special-shaped boundary, and reduce the edge jagged feeling during display.
另外，本发明中像素通过场序显示的方式实现混色显示，本发明中像素的尺寸可以小于相关技术中像素的尺寸(例如本发明提供的显示面板中像素的尺寸可以与相关技术中单个子像素的尺寸相同)，能够明显提升显示面板的PPI(Pixels Per Inch，像素密度)，提升显示效果。当相关技术中一个像素包括三个子像素时，本发明中像素尺寸仅为相关技术中像素尺寸的三分之一，则本发明提供的显示面板的PPI为相关技术中显示面板的三倍。In addition, the pixel in the present invention realizes the mixed color display by means of field sequential display, and the size of the pixel in the present invention can be smaller than the size of the pixel in the related art (for example, the size of the pixel in the display panel provided by the present invention can be compared with that of a single sub-pixel in the related art. same size), which can significantly increase the PPI (Pixels Per Inch, pixel density) of the display panel and improve the display effect. When a pixel in the related art includes three sub-pixels, the pixel size in the present invention is only one-third of the pixel size in the related art, and the PPI of the display panel provided by the present invention is three times that of the display panel in the related art.
进一步的，图4为本发明实施例提供的显示面板的另一种可选实施方式示意图。如图4所示，本发明实施例提供的显示面板，像素p的形状为正方形，在靠近异形边界Y的边缘，任意相邻的两个像素行pH中一个像素行pH相对另一个像素行pH内缩1个像素p。假定图1所示的相关技术中单个子像素sp′为长方形，其，长度为90μm，宽度为30μm，三个子像素sp′组成一个边长为90μm的正方形像素p′。若本发明中单个像素p的面积与相关技术中单个子像素sp′的面积相同，则本发明中单个像素p为边长约为52μm的正方形。图1所示的相关技术中相邻的两个像素行pH′相对内缩一个像素p′形成的台阶T′的长度d′为90μm，而本发明中相邻的两个像素行pH相对内缩一个像素p形成的台阶T的长度d仅为52μm。可见本发明与相关技术相比，能够明显减小在靠近异形边界一侧相邻的两个像素行形成的台阶的大小，能够减轻显示时的边缘锯齿感。Further, FIG. 4 is a schematic diagram of another optional implementation manner of a display panel provided by an embodiment of the present invention. As shown in FIG. 4, in the display panel provided by the embodiment of the present invention, the shape of the pixel p is a square, and at the edge close to the special-shaped boundary Y, one pixel row pH is relative to the other pixel row pH among any two adjacent pixel rows pH Indent 1 pixel p. Assuming that the single sub-pixel sp' in the related art shown in FIG. 1 is a rectangle with a length of 90 μm and a width of 30 μm, three sub-pixels sp' form a square pixel p' with a side length of 90 μm. If the area of a single pixel p in the present invention is the same as that of a single sub-pixel sp′ in the related art, then the single pixel p in the present invention is a square with a side length of about 52 μm. In the related art shown in Fig. 1, the length d' of the step T' formed by two adjacent pixel rows pH' being relatively retracted by one pixel p' is 90 μm, while in the present invention, the adjacent two pixel rows pH' are relatively inward. The length d of the step T formed by shrinking one pixel p is only 52 μm. It can be seen that compared with the related art, the present invention can significantly reduce the size of the steps formed by two adjacent pixel rows on the side close to the irregular boundary, and can reduce the edge jaggedness during display.
进一步的，图5为本发明实施例提供的显示面板的另一种可选实施方式示意图。如图5所示，在靠近异形边界Y的边缘，任意相邻的两个像素行pH中一个像素行pH相对另一个像素行pH内缩1个像素p。像素p包括异形像素p1和常规像素p2，异形像素p1的开口面积小于常规像素p2的开口面积，其中，异形像素p1与异形边界Y相邻。该实施方式中，异形像素的开口面积小于常规像素的开口面积，则异形像素的显示亮度小于常规像素的显示亮度，能够进一步弱化显示时的边缘锯齿感。其中，位于不同像素行的异形像素的开口面积大小可以相同也可以不同。Further, FIG. 5 is a schematic diagram of another optional implementation manner of a display panel provided by an embodiment of the present invention. As shown in FIG. 5 , at the edge close to the boundary Y of the special shape, one pixel row pH is set aside by 1 pixel p relative to the other pixel row pH among any two adjacent pixel rows pH. The pixel p includes a special-shaped pixel p1 and a regular pixel p2. The opening area of the special-shaped pixel p1 is smaller than that of the regular pixel p2. The special-shaped pixel p1 is adjacent to the special-shaped boundary Y. In this embodiment, if the opening area of the special-shaped pixel is smaller than that of the normal pixel, the display brightness of the special-shaped pixel is lower than that of the normal pixel, which can further weaken the jagged edges during display. Wherein, the opening areas of the special-shaped pixels located in different pixel rows may be the same or different.
进一步的，图6为本发明实施例提供的显示面板的另一种可选实施方式示意图。如图6所示，异形像素p1具有异形边B，异形边B与异形边界Y相邻，且异形边B的延伸方向与异形边界Y的延伸方向相同。该实施方式中，异形像素中异形边的延伸方向与异形边界的延伸方向相同，在靠近异形边界一侧，像素排列形成的像素行的边界的形状接近于异形边界的形状，进一步弱化显示时的边缘锯齿感。图6中异形边界的形状和异形像素的形状仅是示意性表示。实际中可根据异形边界的形状设计异形像素的形状。Further, FIG. 6 is a schematic diagram of another optional implementation manner of a display panel provided by an embodiment of the present invention. As shown in FIG. 6 , the special-shaped pixel p1 has a special-shaped side B adjacent to the special-shaped boundary Y, and the extending direction of the special-shaped side B is the same as that of the special-shaped boundary Y. In this embodiment, the extension direction of the special-shaped edge in the special-shaped pixel is the same as that of the special-shaped boundary, and on the side close to the special-shaped boundary, the shape of the boundary of the pixel row formed by the arrangement of pixels is close to the shape of the special-shaped boundary, further weakening the display. Jagged edges. The shape of the shaped border and the shape of the shaped pixel in FIG. 6 are only schematic representations. In practice, the shape of the special-shaped pixel can be designed according to the shape of the special-shaped boundary.
进一步的，图7为本发明实施例提供的显示面板的另一种可选实施方式膜层示意图。图8为本发明实施例提供的显示面板一种可选实施方式俯视示意图。如图7所示，显示面板包括第一基板101、第二基板102、位于第一基板101和第二基板102之间的液晶分子层103；其第一基板包括黑矩阵BM，黑矩阵BM将显示区划分为多个像素，参考图8所示，黑矩阵BM将显示区划分为多个像素p，黑矩阵BM包围的区域为像素P的开口区，显示面板显示时，光线穿透第一基板时不能穿透黑矩阵BM，而是从像素p的开口区出射；第二基板102包括多个像素驱动电路，其中，一个像素包括一个像素驱动电路，第二基板可以为阵列基板。其中，阵列基板包括衬底基板和在衬底基板上形成的薄膜晶体管、公共电极、像素电极、栅极线和数据线等，阵列基板中的薄膜晶体管和各种走线和电极构成像素驱动电路。其中，薄膜晶体管作为显示面板中子像素的开关器件。薄膜晶体管的栅极连接显示面板的栅极线，经由栅极线连接至栅极扫描电路，薄膜晶体管的源极连接数据线，经由数据线连接至集成电路芯片(IC)，薄膜晶体管的漏极连接至像素电极，通过数据线加载电压至像素电极，使得像素电极与公共电极之间形成电场，进而液晶分子层的液晶分子在该电场内偏转，从而控制光线出射与否，进而实现显示面板的显示。Further, FIG. 7 is a schematic diagram of film layers of another alternative implementation manner of the display panel provided by the embodiment of the present invention. FIG. 8 is a schematic top view of an alternative implementation manner of a display panel provided by an embodiment of the present invention. As shown in Figure 7, the display panel includes a first substrate 101, a second substrate 102, a liquid crystal molecule layer 103 between the first substrate 101 and the second substrate 102; its first substrate includes a black matrix BM, and the black matrix BM will The display area is divided into a plurality of pixels. As shown in FIG. 8, the black matrix BM divides the display area into a plurality of pixels p, and the area surrounded by the black matrix BM is the opening area of the pixel P. When the display panel is displayed, light passes through the first The substrate cannot penetrate the black matrix BM, but emits from the opening area of the pixel p; the second substrate 102 includes a plurality of pixel driving circuits, wherein one pixel includes a pixel driving circuit, and the second substrate can be an array substrate. Among them, the array substrate includes a base substrate and thin film transistors formed on the base substrate, common electrodes, pixel electrodes, gate lines and data lines, etc., and the thin film transistors in the array substrate and various wirings and electrodes constitute a pixel drive circuit . Among them, thin film transistors are used as switching devices of sub-pixels in the display panel. The gate of the thin film transistor is connected to the gate line of the display panel, and is connected to the gate scanning circuit through the gate line. The source of the thin film transistor is connected to the data line, and is connected to the integrated circuit chip (IC) through the data line. The drain of the thin film transistor It is connected to the pixel electrode, and the voltage is applied to the pixel electrode through the data line, so that an electric field is formed between the pixel electrode and the common electrode, and then the liquid crystal molecules in the liquid crystal molecular layer are deflected in the electric field, thereby controlling whether the light is emitted or not, and then realizing the display panel. show.
本发明中背光源可以是侧入式光源，也可以为直下式光源。In the present invention, the backlight source may be a side-type light source, or a direct-type light source.
图9为本发明实施例提供的显示面板一种可选实施方式结构示意图。如图9所示，显示面板包括第一基板101、第二基板102和液晶分子层103。显示面板的背光源为侧入式光源，背光源包括导光板104，导光板104位于第二基板102远离第一基板101一侧，第一颜色光源、第二颜色光源和第三颜色光源设置在导光板104的侧边，第一颜色光源、第二颜色光源和第三颜色光源均统称为光源105，图9中仅示意出光源105的位置。导光板104将光源105发出的光线处理后从导光板104靠近第二基板102一侧的表面出射。本发明对背光源中第一颜色光源、第二颜色光源和第三颜色光源的类型、个数和具体排布不做任何限定。FIG. 9 is a schematic structural diagram of an optional implementation manner of a display panel provided by an embodiment of the present invention. As shown in FIG. 9 , the display panel includes a first substrate 101 , a second substrate 102 and a liquid crystal molecule layer 103 . The backlight source of the display panel is a side-type light source, and the backlight source includes a light guide plate 104, the light guide plate 104 is located on the side of the second substrate 102 away from the first substrate 101, and the first color light source, the second color light source and the third color light source are arranged on the The sides of the light guide plate 104 , the first color light source, the second color light source and the third color light source are collectively referred to as the light source 105 , and FIG. 9 only schematically shows the position of the light source 105 . The light guide plate 104 processes the light emitted by the light source 105 and emits it from the surface of the light guide plate 104 near the second substrate 102 . The present invention does not impose any limitation on the type, number and specific arrangement of the first color light source, the second color light source and the third color light source in the backlight.
图10为本发明实施例提供的显示面板另一种可选实施方式结构示意图。如图10所示，显示面板包括第一基板101、第二基板102和液晶分子层103。显示面板的背光源为直下式光源时，第一颜色光源1051、第二颜色光源1052和第三颜色光源1053排布在第二基板102远离第一基板101一侧，背光源还可以包括反射片、扩散片等结构，图中并未示出。图10中仅是示意性表示，本发明对背光源中第一颜色光源、第二颜色光源和第三颜色光源的类型、个数和具体排布不做任何限定。FIG. 10 is a schematic structural diagram of another alternative implementation manner of a display panel provided by an embodiment of the present invention. As shown in FIG. 10 , the display panel includes a first substrate 101 , a second substrate 102 and a liquid crystal molecule layer 103 . When the backlight source of the display panel is a direct light source, the first color light source 1051, the second color light source 1052 and the third color light source 1053 are arranged on the side of the second substrate 102 away from the first substrate 101, and the backlight source may also include a reflective sheet , diffusion sheet and other structures, which are not shown in the figure. FIG. 10 is only a schematic representation, and the present invention does not impose any limitation on the type, number and specific arrangement of the first color light source, the second color light source and the third color light source in the backlight.
进一步的，图11为本发明实施例提供的显示面板另一种可选实施方式膜层结构图。如图11所示，第一基板101还包括色阻层1011，色阻层1011包括多个透明色阻Z，其中，一个像素p包括一个透明色阻Z。显示面板显示时，光线穿透液晶分子层103之后从第一基板101的透明色阻Z所在的区域穿透第一基板101，然后在显示面板的表面出射显示出像素P显示的颜色。其中，透明色阻Z采用光学透明材料制作，光线穿透率高，光损失小，对显示面板的显示效果没有影响，第一颜色光源发出的光穿透透明色阻Z时，像素p显示出第一颜色，第二颜色光源发出的光穿透透明色阻Z时，像素p显示出第二颜色，第三颜色光源发出的光穿透透明色阻Z时，像素p显示出第三颜色。第一基板包括黑矩阵，黑矩阵所在的膜层具有多个开孔(即像素的开口区)，第一基板中设置有色阻，透明色阻位于像素的开口区，透明色阻的设置增加了第一基板的平坦化，同时能够增加模组的机械强度。Further, FIG. 11 is a film layer structure diagram of another alternative implementation manner of the display panel provided by the embodiment of the present invention. As shown in FIG. 11 , the first substrate 101 further includes a color-resist layer 1011 , and the color-resist layer 1011 includes a plurality of transparent color-resistors Z, wherein one pixel p includes one transparent color-resistor Z. When the display panel is displaying, the light penetrates the liquid crystal molecular layer 103 and then penetrates the first substrate 101 from the area where the transparent color resist Z of the first substrate 101 is located, and then emerges on the surface of the display panel to display the color displayed by the pixel P. Among them, the transparent color resist Z is made of optically transparent material, which has high light penetration rate and small light loss, and has no effect on the display effect of the display panel. When the light emitted by the light source of the first color penetrates the transparent color resist Z, the pixel p displays When the light emitted by the light source of the first color and the second color passes through the transparent color resist Z, the pixel p displays the second color, and when the light emitted by the light source of the third color passes through the transparent color resist Z, the pixel p displays the third color. The first substrate includes a black matrix, and the film layer where the black matrix is located has a plurality of openings (that is, the opening area of the pixel). The first substrate is provided with color resistance, and the transparent color resistance is located in the opening area of the pixel. The setting of the transparent color resistance increases The planarization of the first substrate can increase the mechanical strength of the module at the same time.
进一步的，第二基板还包括公共电极层，公共电极层包括多个块状公共电极；在触控阶段，块状公共电极复用为触控电极。图12为本发明实施例提供的显示面板另一种可选实施方式俯视示意图。如图12所示，显示面板中包括多个块状公共电极1021，块状公共电极1021可以为图12所示的矩形，或者其他形状，任意两个块状公共电极之间绝缘设置，每个块状公共电极对应连接至少一条触控电极走线，每个块状公共电极通过触控电极走线与触控驱动电路连接。在显示阶段，向各个块状公共电极施加公共电压，块状公共电极和设置于像素内的像素电极之间形成驱动液晶层中的液晶分子旋转的电场。在触控阶段，向各个块状公共电极分别施加触控信号，通过检测传输到触控驱动电路中的各个块状公共电极上的自电容变化，以检测触摸的位置。Further, the second substrate further includes a common electrode layer, and the common electrode layer includes a plurality of bulk common electrodes; in the touch stage, the bulk common electrodes are multiplexed as touch electrodes. FIG. 12 is a schematic top view of another alternative implementation manner of a display panel provided by an embodiment of the present invention. As shown in FIG. 12 , the display panel includes a plurality of block-shaped common electrodes 1021. The block-shaped common electrodes 1021 can be rectangular as shown in FIG. The block common electrodes are correspondingly connected to at least one touch electrode wiring, and each block common electrode is connected to the touch driving circuit through the touch electrode wiring. In the display phase, a common voltage is applied to each block-shaped common electrode, and an electric field for driving liquid crystal molecules in the liquid crystal layer to rotate is formed between the block-shaped common electrode and the pixel electrode disposed in the pixel. In the touch stage, touch signals are respectively applied to each block-shaped common electrode, and the touched position is detected by detecting the change of self-capacitance on each block-shaped common electrode transmitted to the touch driving circuit.
进一步的，本发明还提供一种显示面板的驱动方法，用于驱动本发明任意实施例提供的显示面板，显示面板包括背光驱动和显示驱动，图13为本发明实施例提供的显示面板驱动方法流程图，如图13所示，驱动方法包括：Further, the present invention also provides a display panel driving method, which is used to drive the display panel provided by any embodiment of the present invention. The display panel includes backlight driving and display driving. FIG. 13 shows the display panel driving method provided by the embodiment of the present invention. The flowchart, as shown in Figure 13, the driving method includes:
步骤S101：在每一帧画面的显示过程中，背光驱动和显示驱动均开启其中，背光驱动开启后能够控制背光源中的光源发光，显示驱动开启后能够控制像素中液晶分子发生偏转；Step S101: During the display process of each frame, both the backlight driver and the display driver are turned on, the backlight driver can control the light source in the backlight to emit light after the backlight driver is turned on, and the liquid crystal molecules in the pixels can be controlled to deflect after the display driver is turned on;
步骤S102：在第一场序，背光驱动控制第一颜色光源发光，从而第一颜色光源发出第一颜色光，第一颜色光穿透像素中的液晶分子层后，像素显示第一颜色；Step S102: In the first field sequence, the backlight is driven to control the first color light source to emit light, so that the first color light source emits the first color light, and after the first color light penetrates the liquid crystal molecule layer in the pixel, the pixel displays the first color;
步骤S103：在第二场序，背光驱动控制第二颜色光源发光，从而第二颜色光源发出第二颜色光，第二颜色光穿透像素中的液晶分子层后，像素显示第二颜色；Step S103: In the second field sequence, the backlight is driven to control the second color light source to emit light, so that the second color light source emits the second color light, and after the second color light penetrates the liquid crystal molecule layer in the pixel, the pixel displays the second color;
步骤S104：在第三场序，背光驱动控制第三颜色光源发光，从而第三颜色光源发出第三颜色光，第三颜色光穿透像素中的液晶分子层后，像素显示第三颜色；Step S104: In the third field sequence, the backlight is driven to control the light source of the third color to emit light, so that the light source of the third color emits light of the third color, and after the light of the third color penetrates the liquid crystal molecule layer in the pixel, the pixel displays the third color;
步骤S105：在每一场序中，显示驱动控制像素中的液晶分子发生偏转，实现像素的灰阶显示。其中，在每一场序中通过控制液晶分子偏转的程度，来控制光线穿透液晶分子层的透过率，从而使的像素发出的光达到目标亮度值。Step S105 : In each field sequence, the display drive controls the liquid crystal molecules in the pixels to deflect, so as to realize the grayscale display of the pixels. Wherein, in each field sequence, by controlling the degree of deflection of the liquid crystal molecules, the transmittance of the light penetrating the liquid crystal molecule layer is controlled, so that the light emitted by the pixels reaches the target brightness value.
在每一帧画面的显示过程中，包括第一场序、第二场序和第三场序。第一场序中像素显示第一颜色、第二场序中像素显示第二颜色、第三场序中像素显示第三颜色，同一个像素顺序的显示第一颜色、第二颜色和第三颜色，实现三基色的混色，从而实现每一帧画面的彩色显示。During the display process of each frame picture, it includes the first field sequence, the second field sequence and the third field sequence. The pixels in the first field sequence display the first color, the pixels in the second field sequence display the second color, the pixels in the third field sequence display the third color, and the same pixel sequentially displays the first color, the second color and the third color , to realize the color mixing of the three primary colors, so as to realize the color display of each frame.
在显示面板进行场序显示时可能会出现色分离的现象。显示面板显示时，人眼若相对于面板产生较大的位移(例如眼球转动)，则像素顺序发出的三基色的光会照射到人眼不同的位置，导致观看者感知到图像的彩色分离，一个混色彩色画面分离成三幅三基色画面，容易引起观看者视觉疲劳和精神紧张等问题。为了解决上述问题，发明人进一步提出一种显示面板的驱动方法，图14为本发明实施例提供的显示面板驱动方法一种可选实施方式流程图，如图14所示，驱动方法包括：Color separation may occur when the display panel performs field sequential display. When the display panel is displayed, if the human eye has a large displacement relative to the panel (such as eyeball rotation), the three primary colors of light emitted sequentially by the pixels will irradiate different positions of the human eye, causing the viewer to perceive the color separation of the image. A mixed-color picture is separated into three three-primary-color pictures, which is likely to cause problems such as visual fatigue and mental stress of the viewer. In order to solve the above problems, the inventor further proposes a display panel driving method. FIG. 14 is a flow chart of an optional implementation mode of the display panel driving method provided by the embodiment of the present invention. As shown in FIG. 14 , the driving method includes:
步骤S201：在每一帧画面的显示过程中，背光驱动和显示驱动均开启；Step S201: During the display process of each frame, both the backlight driver and the display driver are turned on;
步骤S202：在第一场序，背光驱动控制第一颜色光源发光；Step S202: In the first field sequence, the backlight is driven to control the light source of the first color to emit light;
步骤S203：在第二场序，背光驱动控制第二颜色光源发光；Step S203: In the second field sequence, the backlight is driven to control the light source of the second color to emit light;
步骤S204：在第三场序，背光驱动控制第三颜色光源发光；Step S204: In the third field sequence, the backlight is driven to control the light source of the third color to emit light;
步骤S205：在每一场序中，显示驱动控制像素中的液晶分子发生偏转，实现像素的灰阶显示。Step S205: In each field sequence, the display driver controls the liquid crystal molecules in the pixels to deflect, so as to realize the grayscale display of the pixels.
步骤S206：在相邻的两帧画面显示之间，关闭背光驱动，显示面板进行黑画面显示，关闭背光驱动后，背光源中所有的光源都不能发光，显示面板呈现黑画面。Step S206: Turn off the backlight drive between two adjacent frame displays, and the display panel displays a black image. After the backlight drive is turned off, all light sources in the backlight cannot emit light, and the display panel presents a black image.
该实施方式提供的驱动方法在相邻的两帧画面显示之间插入黑画面显示，显示画面切换变成了三基色混色画面→黑画面→三基色混色画面，三基色混色画面显示之间插入的黑色过渡显示减小了画面切换的颜色差异，人眼较难识别，能够减轻色分离现象，提升了用户视觉体验。The driving method provided by this embodiment inserts a black screen display between two adjacent frames of screen display, and the display screen switches into a three-primary color mixing screen → a black screen → a three-primary color mixing screen, and the three-primary color mixing screen is inserted between the display The black transition display reduces the color difference of screen switching, which is difficult for human eyes to recognize, can reduce the phenomenon of color separation, and improve the user's visual experience.
进一步的，本发明还提供一种驱动方法，能够用于驱动具有触控功能的显示面板。显示面板还包括触控驱动；在进行黑画面显示时，关闭显示驱动，同时开启触控驱动，完成触控点位置的计算。该驱动方式能够用于驱动图12实施例对应的显示面板，显示面板中块状公共电极在触控阶段复用为触控电极，块状公共电极在显示阶段和触控阶段都承担重要的作用，显示面板的显示驱动和触控驱动的开启时间若存在交叉，则可能会造成块状公共电极工作混乱。而该实施方式提供的驱动方法，在两帧画面显示之间插入黑画面显能够减轻色分离现象，同时在显示黑画面时关闭显示驱动，开启触控驱动，块状公共电极作为触控电极使用，在黑画面显示的过程中完成触控点位置的计算，保证了显示面板显示功能和触控功能相互独立且正常的使用。Furthermore, the present invention also provides a driving method, which can be used to drive a display panel with a touch function. The display panel also includes a touch driver; when displaying a black screen, the display driver is turned off, and the touch driver is turned on at the same time to complete the calculation of the touch point position. This driving method can be used to drive the display panel corresponding to the embodiment in Figure 12. The block common electrodes in the display panel are multiplexed as touch electrodes in the touch stage, and the block common electrodes play an important role in both the display stage and the touch stage. , if there is an intersection between the turn-on times of the display driver and the touch driver of the display panel, it may cause confusion in the operation of the block common electrode. In the driving method provided by this embodiment, inserting a black screen display between two frames of screen display can reduce the color separation phenomenon, and at the same time, when a black screen is displayed, the display drive is turned off, the touch drive is turned on, and the block common electrode is used as a touch electrode. In the process of displaying the black screen, the calculation of the position of the touch point is completed, which ensures that the display function and the touch function of the display panel are mutually independent and can be used normally.
进一步的，在一些可选的实施方式中，本发明实施例提供的驱动方法还包括：在进行黑画面显示时，开启显示驱动，进行下一帧画面的显示驱动，控制像素中的液晶分子开始发生偏转。在显示阶段，在显示面板中的像素电极和公共电极上施加电压，形成电场以控制液晶分子发生偏转，显示驱动开启后，电压加载到像素电极和公共电极之上都需要一定的时间、液晶分子偏转的过程也需要一定的时间，也即在显示驱动控制显示面板显示一帧画面时，从显示驱动开启到画面开始显示具有一定的响应时间，即每帧画面进行切换时都需要响应时间。该实施方式中在在进行黑画面显示时，开启显示驱动进行下一帧画面的显示驱动，控制像素中的液晶分子开始发生偏转，在进行黑画面显示时即进行了下一帧画面的驱动，相当于节省了部分响应的时间，提高了画面切换速度，进一步提升了用户视觉体验。Further, in some optional implementation manners, the driving method provided by the embodiment of the present invention further includes: when displaying a black screen, turning on the display driving, performing the display driving of the next frame, and controlling the liquid crystal molecules in the pixels to start Deflection occurs. In the display stage, a voltage is applied to the pixel electrodes and the common electrodes in the display panel to form an electric field to control the deflection of the liquid crystal molecules. After the display drive is turned on, it takes a certain time for the voltage to be applied to the pixel electrodes and the common electrodes. The deflection process also takes a certain amount of time, that is, when the display driver controls the display panel to display a frame of images, there is a certain response time from when the display driver is turned on to when the image starts to display, that is, a response time is required when switching each frame of images. In this embodiment, when a black screen is displayed, the display drive is turned on to drive the display of the next frame, and the liquid crystal molecules in the control pixel start to deflect, and the next frame is driven when the black screen is displayed. It is equivalent to saving part of the response time, increasing the screen switching speed, and further improving the user's visual experience.
进一步的，本发明还提供一种显示装置，图15为本发明实施例提供的显示装置示意图，如图15所示，显示装置包括本发明任意实施例提供的显示面板100。本发明实施例提供的显示装置可以是任何具有显示功能的电子产品，包括但不限于以下类别：电视机、笔记本电脑、桌上型显示器、平板电脑、数码相机、手机、智能手环、智能眼镜、车载显示器、医疗设备、工控设备、触摸交互终端等。Further, the present invention also provides a display device. FIG. 15 is a schematic diagram of the display device provided by the embodiment of the present invention. As shown in FIG. 15 , the display device includes the display panel 100 provided by any embodiment of the present invention. The display device provided by the embodiment of the present invention can be any electronic product with display function, including but not limited to the following categories: TV, notebook computer, desktop display, tablet computer, digital camera, mobile phone, smart bracelet, smart glasses , vehicle displays, medical equipment, industrial control equipment, touch interactive terminals, etc.
通过上述实施例可知，本发明的显示面板及其驱动方法和显示装置，达到了如下的有益效果：It can be seen from the above embodiments that the display panel, its driving method and display device of the present invention achieve the following beneficial effects:
本发明中在与异形边界相邻的像素行中，相邻的两个像素行中一个像素行相对于另一个像素行内缩一个像素，本发明与相关技术相比，能够明显减小在靠近异形边界一侧相邻的两个像素行形成的台阶的大小，减轻显示时的边缘锯齿感。另外，本发明中像素通过场序显示的方式实现混色显示，也即本发明中单个像素即能实现不同颜色的显示，而相关技术中需要至少三个不同颜色的子像素构成一个像素才能实现不同颜色的显示。本发明能够明显提升显示面板的PPI，提升显示效果。In the present invention, in the pixel row adjacent to the border of the irregular shape, one of the two adjacent pixel rows shrinks by one pixel relative to the other pixel row. Compared with the related technology, the present invention can significantly reduce the The size of the step formed by two adjacent pixel rows on one side of the border reduces the jagged edges during display. In addition, the pixels in the present invention realize mixed color display through field sequential display, that is, a single pixel in the present invention can display different colors, while in the related art, at least three sub-pixels of different colors are required to form a pixel to realize different colors. Color display. The present invention can obviously improve the PPI of the display panel and improve the display effect.
虽然已经通过例对本发明的一些特定实施例进行了详细说明，但是本领域的技术人员应该理解，以上例仅是为了进行说明，而不是为了限制本发明的范围。本领域的技术人员应该理解，可在不脱离本发明的范围和精神的情况下，对以上实施例进行修改。本发明的范围由所附权利要求来限定。Although some specific embodiments of the present invention have been described in detail through examples, those skilled in the art should understand that the above examples are only for illustration, not for limiting the scope of the present invention. Those skilled in the art will appreciate that modifications can be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810506917.7ACN108766365B (en) | 2018-05-24 | 2018-05-24 | Display panel, driving method thereof and display device |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810506917.7ACN108766365B (en) | 2018-05-24 | 2018-05-24 | Display panel, driving method thereof and display device |
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| CN108766365Atrue CN108766365A (en) | 2018-11-06 |
| CN108766365B CN108766365B (en) | 2020-08-25 |
| Application Number | Title | Priority Date | Filing Date |
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| CN201810506917.7AActiveCN108766365B (en) | 2018-05-24 | 2018-05-24 | Display panel, driving method thereof and display device |
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| CN (1) | CN108766365B (en) |
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