CN1924654A - Transflective LCD panel - Google Patents

Abstract

A transflective liquid crystal display panel comprises a matrix substrate including multiple pixels, multiple scan lines electrically connected with the pixels, and multiple data lines electrically connected with the pixels. Each pixel has a penetration region and a reflection region, and the transflective LCD panel comprises an organic shading pattern disposed at the boundary of the penetration region and the reflection region of at least one pixel on the matrix substrate.

Description

Semi-penetrating and semi-reflective liquid crystal display panel

Technical field

The present invention relates to a kind of semi-penetrating and semi-reflective liquid crystal display panel, refer to a kind of semi-penetrating and semi-reflective liquid crystal display panel that comprises organic light-shielding pattern especially.

Background technology

LCD is according to the source difference of illumination light, can divide into three kinds of penetration, reflective and semi-penetration, semi-reflectives etc.Penetrating LCD has the backlight that is used for producing light usually, and the light that backlight produced can allow the user watch the picture of LCD to show by display panels.Reflective liquid-crystal display then is provided with reflecting electrode, when reflective liquid-crystal display display frame, surround lighting is entered in the LCD by user's sightingpiston, by reflecting electrode light is reflected again after entering display panels, and the light that is reflected can pass display panels again, and last user just can watch the picture of LCD to show.On the other hand, semi-penetrated semi-reflected liquid crystal display then is the LCD that has the pattern of penetrating and reflective-mode simultaneously, that is to say, each pixel of display panels has included penetrating region and echo area, wherein penetrating region uses backlight, the echo area then environment for use light as light source.

Please refer to Fig. 1, Fig. 1 is the synoptic diagram of existing semi-penetrating and semi-reflective liquid crystal display panel.As shown in Figure 1, existing semi-penetrating and semi-reflective liquid crystal display panel 10 include matrix base plate 20, colored filter substrate 30 and be arranged on matrix base plate 20 and colored filter substrate 30 between layer of liquid crystal molecule 40.Matrix base plate 20 includes a plurality of pixels 22, and each pixel 22 has included echo area 221 and penetrating region 222.Matrix base plate 20 includes a plurality of thin film transistor (TFT)s 23, is separately positioned in each echo area 221, and a plurality of reflecting electrodes 24 are arranged on the thin film transistor (TFT) 23, and a plurality of through electrode (figure does not show) is arranged in the penetrating region 222.In addition, include transparent dielectric layer 26 in addition between reflecting electrode 24 and the thin film transistor (TFT) 23.Colored filter substrate 30 include that a plurality of colored filters 32 are provided with corresponding to pixel 22 and black matrix" 34 corresponding to the marginal position of each pixel 22.

Fig. 1 is the semi-penetrating and semi-reflective liquid crystal display panel 10 of existing biliquid intergranular crack design, and be positioned at the effect of the transparent dielectric layer 26 of reflecting electrode 24 belows, promptly be to adjust the gap of layer of liquid crystal molecule 40, and the setting by transparent dielectric layer 26, can make that 221 gap makes light have identical phase differential during with penetrating region 222 by echo area 221 less than in the gap of penetrating region 222 to layer of liquid crystal molecule 40 in the echo area.Though the phase differential of transparent dielectric layer 26 adjustable lights in layer of liquid crystal molecule 40, but transparent dielectric layer 26 221 has tangible height fall with the intersection of penetrating region 222 in the echo area, and this height fall can not cause the arrangement of liquid crystal molecule good and cause the light leak problem.In addition, be positioned at the liquid crystal molecule of data line or sweep trace top also easily owing to the influence (as the crosstalk problem) of signal interference produces the light leak problem.

Summary of the invention

The object of the present invention is to provide a kind of semi-penetrating and semi-reflective liquid crystal display panel, to solve the light leak problem.

For reaching above-mentioned purpose, the invention provides a kind of semi-penetrating and semi-reflective liquid crystal display panel, it comprises matrix base plate, this matrix base plate comprises that a plurality of pixels, multi-strip scanning line are electrically connected with this pixel, and many data lines are electrically connected with this pixel.Each pixel has penetrating region and echo area, and semi-penetrating and semi-reflective liquid crystal display panel includes organic light-shielding pattern, is arranged on this penetrating region of at least one this pixel on this matrix base plate and the intersection of this echo area.

For reaching above-mentioned purpose, the present invention provides a kind of semi-penetrating and semi-reflective liquid crystal display panel in addition, and it comprises matrix base plate, and this matrix base plate comprises that a plurality of pixels, multi-strip scanning line are electrically connected with this pixel, and many data lines are electrically connected with this pixel.Each pixel has penetrating region and echo area, and semi-penetrating and semi-reflective liquid crystal display panel includes organic light-shielding pattern, is arranged on the intersection of this penetrating region of this data line on this matrix base plate and at least one this pixel.

For reaching above-mentioned purpose, the present invention provides a kind of semi-penetrating and semi-reflective liquid crystal display panel in addition, and it comprises matrix base plate, and this matrix base plate comprises that a plurality of pixels, multi-strip scanning line are electrically connected with this pixel, and many data lines are electrically connected with this pixel.Each pixel has penetrating region and echo area, and semi-penetrating and semi-reflective liquid crystal display panel includes that organic light-shielding pattern is arranged on this matrix base plate and around this penetrating region of at least one this pixel.

Below be about detailed description of the present invention and accompanying drawing.Yet accompanying drawing is only for reference and aid illustration usefulness, is not to be used for the present invention is limited.

Description of drawings

Fig. 1 is the synoptic diagram of existing semi-penetrating and semi-reflective liquid crystal display panel.

Fig. 2 is the schematic top plan view of the semi-penetrating and semi-reflective liquid crystal display panel pixel of the preferred embodiment of the present invention.

Fig. 3 is the diagrammatic cross-section of semi-penetrating and semi-reflective liquid crystal display panel pixel along Fig. 2 profile line AA '.

Fig. 4 is the synoptic diagram of the semi-penetrating and semi-reflective liquid crystal display panel pixel of another preferred embodiment of the present invention.

Fig. 5 is the diagrammatic cross-section of semi-penetrating and semi-reflective liquid crystal display panel pixel along Fig. 4 profile line BB '.

Fig. 6 is the synoptic diagram of the semi-penetrating and semi-reflective liquid crystal display panel pixel of the another preferred embodiment of the present invention.

The simple symbol explanation

10 semi-penetrating and semi-reflective liquid crystal display panels, 20 matrix base plates

22 pixel regions, 221 echo areas

222 penetrating regions, 23 thin film transistor (TFT)s

24 reflecting electrodes, 26 transparent dielectric layers

30 colored filter substrates, 32 colored filters

34 black matrix"s, 40 layer of liquid crystal molecule

50 semi-penetrating and semi-reflective liquid crystal display panels, 52 sweep traces

54 data lines, 60 matrix base plates

62 pixels, 621 echo areas

622 penetrating regions, 63 thin film transistor (TFT)s

64 reflecting electrodes, 65 through electrodes

66 organic light-shielding pattern 70 colored filter substrates

72 colored filters, 74 black matrix"s

80 layer of liquid crystal molecule, 92 pixels

921 echo areas, 922 penetrating regions

94 sweep traces, 96 data lines

98 organic light-shielding pattern 102 pixels

1021 echo areas, 1022 penetrating regions

104 sweep traces, 106 data lines

108 organic light-shielding patterns

Embodiment

Please refer to Fig. 2 and Fig. 3, Fig. 2 is the schematic top plan view of the semi-penetrating and semi-reflective liquid crystal display panel pixel of the preferred embodiment of the present invention, and Fig. 3 is the diagrammatic cross-section of semi-penetrating and semi-reflective liquid crystal display panel pixel along Fig. 2 profile line AA '.As Fig. 2 and shown in Figure 3, the semi-penetrating and semi-reflective liquid crystal display panel 50 of present embodiment include matrix base plate 60, colored filter substrate 70 and be arranged on matrix base plate 60 and colored filter substrate 70 between layer of liquid crystal molecule 80.Matrix base plate 60 includes thedata line 54 ofmulti-strip scanning line 52 and many and sweeptrace 52 rough homeotropic alignments, define a plurality ofpixels 62 betweensweep trace 52 and thedata line 54, and eachpixel 62 has includedecho area 621 and penetrating region 622.Colored filter substrate 70 include that a plurality of colored filters 72 are provided with corresponding topixel 62 and black matrix" 74 corresponding to the marginal position of each pixel 62.Matrix base plate 60 includes a plurality of thin film transistor (TFT)s 63 in addition, is separately positioned in eachecho area 621, and a plurality of reflectingelectrodes 64 are arranged on the thin film transistor (TFT) 63, and a plurality of through electrode 65 is arranged in thepenetrating region 622.

In semi-penetrating and semi-reflective liquid crystal display panel 50 of the present invention, include organic light-shielding pattern 66 between reflectingelectrode 64 and the thin film transistor (TFT) 63, and organic light-shielding pattern 66 is except having the effect of adjusting the liquid crystal gap, also have the effect of covering light leak, therefore can not need to be provided with separately extra shading design.Organic light-shielding pattern 66 of the present invention should be considered its shaded effect in the selection of material, therefore the light shielding rate of organic light-shielding pattern 66 should be more than 70%, and in other words its penetrance should be between 0% to 30%.The material of organic light-shielding pattern 66 can be various organic materials, as resin, or utilizes doping way to adjust its penetrance and reaches acceptable penetrance.Resin can use black resin or grey chromoresin etc., and the material of doping then can be metal (as chromium), metal oxide (chromium oxide) or its potpourri, or nonmetal (as carbon) or the like.For instance, the material of organic light-shielding pattern 66 can be phenolics (novalacpolymer) and the formed brown resin of eurymeric sensing optical activity pigment (dye), acroleic acid resin sticker and the formed black resin of eurymeric sensing optical activity color pigment (color pigment), or acrylic monomers and the formed black resin of minus black pigment (black pigment) etc.

Organic light-shielding pattern 66 of present embodiment is arranged in theecho area 621 ofpixel 62 and the intersection ofecho area 621 and penetratingregion 622, therefore the organic light-shielding pattern 66 that is positioned atecho area 621 can form biliquid intergranular crack with reflectingelectrode 64 bed hedgehoppings, be positioned atecho area 621 and then can bring into play the shading effect, avoid the light leak situation with organic light-shielding pattern 66 of penetratingregion 622 intersections.

The liquid crystal molecule that the present invention provides other embodiment to be positioned at data line or sweep trace top with solution in addition is easy to generate the problem of light leak.Please refer to Fig. 4 and Fig. 5, Fig. 4 is the synoptic diagram of the semi-penetrating and semi-reflective liquid crystal display panel pixel of another preferred embodiment of the present invention, and Fig. 5 is the diagrammatic cross-section of semi-penetrating and semi-reflective liquid crystal display panel pixel along Fig. 4 profile line BB '.Wherein in the following example, the basic structure of semi-penetrating and semi-reflective liquid crystal display panel discloses in the aforementioned embodiment, thus below no longer repeat to give unnecessary details.As shown in Figure 4, thepixel 92 of semi-penetrating and semi-reflective liquid crystal display panel is defined by sweep trace 94 anddata line 96, and eachpixel 92 includesecho area 921 and penetrating region 922.In the present embodiment, organic light-shielding pattern 98 removes and is arranged within theecho area 921, and the intersection ofecho area 921 and penetratingregion 922, and covers in the lump on thedata line 96, and between thepenetrating region 922 that is adjacent of penetrating region 922.As shown in Figure 5, by above-mentioned configuration, organic light-shielding pattern 98 can avoid the zone ofproximity data line 96 to produce the light leak situation.

Please refer to Fig. 6, Fig. 6 is the synoptic diagram of the semi-penetrating and semi-reflective liquid crystal display panel pixel of the another preferred embodiment of the present invention.As shown in Figure 6, semi-penetrating and semi-reflective liquid crystal display panel pixel 102 is defined by sweep trace 104 and data line 106, and each pixel 102 includes echo area 1021 and penetrating region 1022.Be different from previous embodiment, organic light-shielding pattern 108 of present embodiment removes and is arranged within the echo area 1021, and is provided with around penetrating region 1022 in the lump, and promptly organic light-shielding pattern 108 also covers on sweep trace 104 and the data line 106.By above-mentioned configuration, organic light-shielding pattern 108 can avoid the neighboring area of pixel 102 that the light leak situation takes place.

One of characteristics of the present invention are to utilize organic light-shielding pattern to solve the light leak problem, and it should be noted that application of the present invention is not limited to the foregoing description, the pixel arrangement of the visual semi-penetrating and semi-reflective liquid crystal display panel in position of organic light-shielding pattern is different and adjusted, to reach best shaded effect.Moreover organic light-shielding pattern is not limited to have the thickness of homogeneous, and can have different thickness at the diverse location of pixel region according to shading effect or technologic consideration.In addition, the material that the material of organic light-shielding pattern also is not limited to the foregoing description and is disclosed, and can use any shading characteristic that has, and with the material of manufacturing process compatibility.

In sum, the present invention utilizes organic light-shielding pattern of tool shade function to replace the conventional transparent dielectric layer, therefore organic light-shielding pattern is except that possessing the function that forms biliquid intergranular crack, directly the performance shade function is to solve the light leak problem, therefore do not need to increase separately cost extra shade is set, problem that more can influential aperture opening ratio.

The above only is the preferred embodiments of the present invention, and all equivalent variations and modifications of making according to claim of the present invention all should belong to covering scope of the present invention.

Claims (10)

1, a kind of semi-penetrating and semi-reflective liquid crystal display panel comprises:

Matrix base plate, this matrix base plate comprises:

A plurality of pixels, each pixel has penetrating region and echo area;

The multi-strip scanning line is electrically connected with this pixel;

Many data lines are electrically connected with this pixel; With

Organic light-shielding pattern is arranged on this penetrating region of at least one this pixel on this matrix base plate and the intersection of this echo area.

2, semi-penetrating and semi-reflective liquid crystal display panel as claimed in claim 1, wherein the penetrance of this organic light-shielding pattern is approximately between 0% to 30%.

3, semi-penetrating and semi-reflective liquid crystal display panel as claimed in claim 1, wherein this organic light-shielding pattern comprises resin.

4, semi-penetrating and semi-reflective liquid crystal display panel as claimed in claim 1, this organic light-shielding pattern material that mixes wherein, this material comprise the combination of metal, metal oxide, nonmetal or above-mentioned substance.

5, semi-penetrating and semi-reflective liquid crystal display panel as claimed in claim 1, wherein this organic light-shielding pattern doping carbon.

6, semi-penetrating and semi-reflective liquid crystal display panel as claimed in claim 1, wherein this organic light-shielding pattern is arranged on respectively in this echo area in addition.

7, semi-penetrating and semi-reflective liquid crystal display panel as claimed in claim 1, wherein this organic light-shielding pattern be arranged in addition that this penetrating region respectively is adjacent respectively between this sweep trace.

8, semi-penetrating and semi-reflective liquid crystal display panel as claimed in claim 1, wherein this organic light-shielding pattern be arranged in addition that this penetrating region respectively is adjacent respectively between this data line.

9, semi-penetrating and semi-reflective liquid crystal display panel as claimed in claim 1, wherein this organic light-shielding pattern is arranged on this data line in addition.

10, semi-penetrating and semi-reflective liquid crystal display panel as claimed in claim 1, wherein this organic light-shielding pattern is arranged on the intersection of this penetrating region of this data line on this matrix base plate and at least one this pixel in addition.

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