CN213690177U - Liquid crystal display panel - Google Patents
Liquid crystal display panel Download PDFInfo
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- CN213690177U CN213690177U CN202022969913.8U CN202022969913U CN213690177U CN 213690177 U CN213690177 U CN 213690177U CN 202022969913 U CN202022969913 U CN 202022969913U CN 213690177 U CN213690177 U CN 213690177U
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Abstract
The utility model provides a liquid crystal display panel, which is provided with a plurality of pixel units, wherein each pixel unit comprises three sub-pixel units; the width of the electrode of the pixel electrode in the first sub-pixel unit is W1, the width of the slit of the pixel electrode in the first sub-pixel unit is S1, the width of the electrode of the pixel electrode in the second sub-pixel unit is W2, the width of the slit of the pixel electrode in the second sub-pixel unit is S2, the width of the electrode of the pixel electrode in the third sub-pixel unit is W3, and the width of the slit of the pixel electrode in the first sub-pixel unit is S3, W1/S1 ≠ W2/S2, W1/S1 ≠ W3/S3, or W2/S2 ≠ W3/S3. The utility model discloses reach and improve the transmissivity that two arbitrary or more sub-pixel regions improve, make the pixel of different aperture opening rates reach the same transmissivity, the transmissivity difference that can the great aperture opening rate difference of appropriate elimination leads to.
Description
Technical Field
The utility model relates to a display panel's technical field especially relates to a liquid crystal display panel.
Background
The Fringe Field Switching (FFS) technology is a currently used LCD display technology, and has the advantages of fast response time, high light transmittance, wide viewing angle, and the like.
As shown in fig. 1, the pixel unit of the lcd panel includes three sub-pixel units 10, 20, and 30, which use three primary colors, i.e., red (R), green (G), and blue (B), to be superimposed in different ways to obtain a wide color range.
More and more display panels are now designed to have different aperture ratios for the RGB three sub-pixel units. When the RGB sub-pixel units are designed with different aperture ratios, the white point adjustment is difficult, which causes the color shift of the liquid crystal display panel to be serious, and affects the display effect.
SUMMERY OF THE UTILITY MODEL
The invention aims to provide a liquid crystal display panel which eliminates large aperture ratio difference.
The utility model provides a liquid crystal display panel, which comprises an array substrate, a color film substrate and a liquid crystal layer, wherein the array substrate and the color film substrate are arranged oppositely, and the liquid crystal layer is positioned between the array substrate and the color film substrate; the liquid crystal display panel is provided with a plurality of pixel units, and each pixel unit comprises three sub-pixel units, namely a first sub-pixel unit, a second sub-pixel unit and a third sub-pixel unit; the array substrate comprises a pixel electrode positioned in each sub-pixel unit, and the pixel electrode positioned in each sub-pixel unit comprises a plurality of electrodes and a slit positioned between adjacent electrodes; the color film substrate comprises a plurality of color layers corresponding to a plurality of pixel units, and each color layer comprises a first color layer corresponding to a first sub-pixel unit, a second color layer corresponding to a second sub-pixel unit and a third color layer corresponding to a third sub-pixel unit; the width of the electrode of the pixel electrode in the first sub-pixel unit is W1, the width of the slit of the pixel electrode in the first sub-pixel unit is S1, the width of the electrode of the pixel electrode in the second sub-pixel unit is W2, the width of the slit of the pixel electrode in the second sub-pixel unit is S2, the width of the electrode of the pixel electrode in the third sub-pixel unit is W3, and the width of the slit of the pixel electrode in the first sub-pixel unit is S3, W1/S1 ≠ W2/S2, W1/S1 ≠ W3/S3, or W2/S2 ≠ W3/S3.
Preferably, the color film substrate further comprises a black matrix, a flat layer covering the black matrix and the plurality of color layers, and a support pillar located on the flat layer and supporting the box thickness; the height of the supporting column in the region corresponding to the first color layer is h1, the height of the supporting column in the region corresponding to the second color layer is h2, and the height of the supporting column in the region corresponding to the third color layer is h3, wherein h1 ≠ h2 or h1 ≠ h3 or h2 ≠ h 3.
Preferably, when h1 ≠ h2, the height of the planarization layer at the first sub-pixel region and the second sub-pixel region is different; when h1 ≠ h3, the height of the planarization layer in the first sub-pixel region and the third sub-pixel region is different; when h2 ≠ h3, the height of the planarization layer at the second sub-pixel region and the third sub-pixel region is different.
Preferably, the color film substrate further comprises a black matrix, a flat layer covering the black matrix and the plurality of color layers, and a support pillar located on the flat layer and supporting the box thickness; the width of the black matrix between the first sub-pixel region and the second sub-pixel region is not equal to the width of the black matrix between the second sub-pixel region and the third sub-pixel region; or the width of the black matrix between the third sub-pixel region and the first sub-pixel region is not equal to the width of the black matrix between the second sub-pixel region and the third sub-pixel region; or the width of the black matrix between the first sub-pixel region and the second sub-pixel region is not equal to the width of the black matrix between the third sub-pixel region and the first sub-pixel region.
Preferably, the flat layer is one plane overlying the black matrix and the plurality of color layers.
The utility model discloses liquid crystal display panel is different through the electrode width of the regional pixel electrode of different sub-pixel and the distance between the adjacent electrode, reaches the transmissivity that improves two arbitrary or more sub-pixel region improvements, makes the pixel of different aperture opening rates reach the same transmissivity, and the transmissivity difference that can the great aperture opening rate difference of appropriate elimination leads to.
Drawings
Fig. 1 is a schematic structural diagram of a pixel electrode according to a first embodiment of the liquid crystal display panel of the present invention;
FIG. 2 is a schematic view of a V-T curve of the LCD panel shown in FIG. 1;
FIG. 3 is a schematic structural diagram of a second embodiment of a liquid crystal display panel according to the present invention;
FIG. 4 is a diagram illustrating a V-T curve of the LCD panel shown in FIG. 2;
fig. 5 is a schematic structural diagram of a third embodiment of the liquid crystal display panel according to the present invention;
fig. 6 is a schematic structural diagram of a fourth embodiment of a liquid crystal display panel according to the present invention;
FIG. 7 is a diagram illustrating a V-T curve of the LCD panel shown in FIG. 6;
FIG. 8 is a schematic view of a V-T curve of transmittance of a liquid crystal display panel of the present invention at different cell thicknesses;
FIG. 9 is a schematic view of a V-T curve of transmittance of the LCD panel at different alignment angles according to the present invention.
Detailed Description
The present invention will be further clarified by the following description with reference to the attached drawings and specific examples, which should be understood as being merely illustrative of the present invention and not limiting the scope of the present invention, and modifications of various equivalent forms of the present invention by those skilled in the art after reading the present invention, all fall within the scope defined by the appended claims of the present application.
For the sake of simplicity, only the parts relevant to the present invention are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".
As shown in fig. 1 and fig. 2, the structure of the first embodiment of the liquid crystal display panel of the present invention is schematically illustrated, and the liquid crystal display panel includes an array substrate and a color film substrate which are arranged relatively, and a liquid crystal layer between the array substrate and the color film substrate.
The liquid crystal display panel is provided with a plurality of pixel units, and each pixel unit comprises three sub-pixel units, namely a first sub-pixel unit, a second sub-pixel unit and a third sub-pixel unit.
The array substrate comprises a pixel electrode in each sub-pixel unit, the pixel electrode is in a slit shape, and the pixel electrode in each sub-pixel unit comprises a plurality of electrodes 10 and slits 20 between adjacent electrodes 10.
The color film substrate comprises a plurality of color layers corresponding to the plurality of pixel units, and each color layer comprises a first color layer corresponding to the first sub-pixel unit, a second color layer corresponding to the second sub-pixel unit and a third color layer corresponding to the third sub-pixel unit.
The width of the electrode 10 of the pixel electrode in the first sub-pixel unit is W1, the width of the slit 20 of the pixel electrode in the first sub-pixel unit is S1, the width of the electrode 10 of the pixel electrode in the second sub-pixel unit is W2, the width of the slit 20 of the pixel electrode in the second sub-pixel unit is S2, the width of the electrode 10 of the pixel electrode in the third sub-pixel unit is W3, the width of the slit 20 of the pixel electrode in the first sub-pixel unit is S3, W1/S1 ≠ W2/S2 or W1/S1 ≠ W3/S3 or W2/S2 ≠ W3/S3.
In this embodiment, the first color layer is a red color layer, the second color layer is a green color layer, and the third color layer is a blue color layer.
Any two slits in the electrode width and the electrode width interval of the first sub-pixel unit corresponding to the red color layer, the electrode width and the electrode width interval of the second sub-pixel unit corresponding to the green color layer and the electrode width interval of the third sub-pixel unit corresponding to the blue color depth are different, so that the transmittance corresponding to any two sub-pixel units is improved, and the pixels with different aperture ratios achieve the same transmittance.
Fig. 3 and fig. 4 are schematic structural diagrams of a second embodiment of the liquid crystal display panel according to the present invention, and the second embodiment may be an extension of the first embodiment, or may be a technical solution parallel to the first embodiment.
The liquid crystal display panel includes an array substrate 10 and a color filter substrate 20 which are oppositely disposed, and a liquid crystal layer (not shown) located between the array substrate 10 and the color filter substrate 20.
The liquid crystal display panel is provided with a plurality of pixel units, and each pixel unit comprises three sub-pixel units, namely a first sub-pixel unit, a second sub-pixel unit and a third sub-pixel unit.
The color filter substrate comprises a black matrix 22 on a glass substrate 21, a plurality of color layers positioned between adjacent black matrices 21, a flat layer 24 covering the black matrix 22 and the plurality of color layers, and a support column 25 positioned on the flat layer 24 and supporting the box thickness.
Each color layer includes a first color layer 231 corresponding to the first sub-pixel unit, a second color layer 232 corresponding to the second sub-pixel unit, and a third color layer 233 corresponding to the third sub-pixel unit.
The height of the supporting pillar 25 in the region corresponding to the first color layer 231 is h1, the height of the supporting pillar 25 in the region corresponding to the second color layer 232 is h2, and the height of the supporting pillar 25 in the region corresponding to the third color layer 233 is h3, so that the liquid crystal display panel has the first effective box thickness gap1 in the region corresponding to the first color layer 231, the second effective box thickness gap2 in the region corresponding to the second color layer 232, and the third effective box thickness gap3 in the region corresponding to the third color layer 233.
The heights of the planarization layer 24 in the first sub-pixel region and the second sub-pixel region are different, such that h1 is not equal to h2, after the liquid crystal is filled between the array substrate 10 and the color filter substrate 20, the first effective box thickness gap1 is not equal to the second effective box thickness gap2, and the transmittance of the first sub-pixel region is different from the relative transmittance of the second sub-pixel region.
Or the heights of the planarization layer 24 in the first sub-pixel region and the third sub-pixel region are different, so that h1 is not equal to h3, after the liquid crystal is filled between the array substrate 10 and the color filter substrate 20, the first effective box thickness gap1 is not equal to the third effective box thickness gap3, and the transmittance of the first sub-pixel region is different from the relative transmittance of the third sub-pixel region.
Or the heights of the planarization layer 24 in the second sub-pixel region and the third sub-pixel region are different, so that h2 is not equal to h3, after the liquid crystal is filled between the array substrate 10 and the color filter substrate 20, the second effective box thickness gap2 is not equal to the third effective box thickness gap3, and the transmittance of the second sub-pixel region is different from the relative transmittance of the third sub-pixel region, so that the pixels with different aperture opening ratios achieve the same transmittance.
Fig. 5 is a schematic structural diagram of a third embodiment of the liquid crystal display panel of the present invention, which is different from the second embodiment: the width L1 of the black matrix 22 between the first sub-pixel region and the second sub-pixel region is not equal to the width L2 of the black matrix 22 between the second sub-pixel region and the third sub-pixel region, and the flat layer 24 is covered on the black matrix 22 and the plurality of color layers as a plane, so that the difference of the aperture ratio can be directly reduced; or the width L3 of the black matrix 22 between the third sub-pixel region and the first sub-pixel region is not equal to the width L2 of the black matrix 22 between the second sub-pixel region and the third sub-pixel region, and the flat layer 24 is covered on the black matrix 22 and the plurality of color layers as a plane, so that the difference of the aperture ratio can be directly reduced; or the width L1 of the black matrix 22 between the first sub-pixel region and the second sub-pixel region is not equal to the width L3 of the black matrix 22 between the third sub-pixel region and the first sub-pixel region, and the planarization layer 24 is coated on the black matrix 22 and the plurality of color layers as one plane, so that the difference of the aperture ratio can be directly reduced.
Fig. 6 and fig. 7 are schematic structural diagrams of a fourth embodiment of the liquid crystal display panel of the present invention, which is different from the second embodiment: the color film substrate is further provided with an alignment film 26 coated on the flat layer 24, and the first sub-pixel region, the second sub-pixel region and the third sub-pixel region corresponding to the alignment film 26 respectively have a first alignment angle, a second alignment angle and a third alignment angle.
The first alignment angle is different from the second alignment angle, or the first alignment angle is different from the third alignment angle, or the second alignment angle is different from the third alignment angle, so that the transmittances of at least two regions are different.
In this embodiment, the liquid crystal has a first pretilt angle in the regions of the first alignment angle and the second alignment angle, the first pretilt angle is 5 °, and the liquid crystal has a second pretilt angle in the regions of the third alignment angle, the second pretilt angle is 7 °.
Fig. 8 and fig. 9 are schematic structural diagrams of a fifth embodiment of the liquid crystal display panel according to the present invention, assuming that the aperture ratio of the first sub-pixel region is 60%, the aperture ratio of the second sub-pixel region is 70%, and the aperture ratio of the third sub-pixel region is 60%; assuming that the effective box thickness corresponding to the first sub-pixel region and the third sub-pixel region is 0.2um different from the effective box thickness corresponding to the second sub-pixel region, the transmittance is different by 6% when other designs are the same (see fig. 7); if the first sub-pixel region and the third sub-pixel region correspond to a pretilt angle of 5 degrees; when the corresponding pretilt angle of the second sub-pixel region is 7 °, the transmittance is different by 4% when other designs are the same (see fig. 8); therefore, when the two flat layers are highly matched with two alignment angles, the transmittance difference caused by the larger aperture ratio difference can be properly eliminated.
The structural schematic diagram of the sixth embodiment of the liquid crystal display panel of the present invention assumes that the aperture opening ratio of the first sub-pixel region is 60%, the aperture opening ratio of the second pixel region is 70%, and the aperture opening ratio of the third pixel region is 50%; the aperture ratio difference is larger at this time; meanwhile, the width of the electrode of the first pixel region is 2.2um, the interval between adjacent electrodes is 3.5um, and the width of the black matrix corresponding to the first pixel region is 6.5 um; the width of the electrode of the second pixel region is 2um, the interval between the adjacent electrodes is 4um, and the width of the black matrix corresponding to the second pixel region is 7.5 um; the width of the electrode of the third pixel region is 2.4um, the interval between the adjacent electrodes is 3.1um, and the width of the black matrix corresponding to the third pixel region is 6 um; the simulated transmittance is designed to be substantially the same as that of the fifth embodiment.
The utility model discloses liquid crystal display panel is different through the electrode width of the regional pixel electrode of different sub-pixel and the distance between the adjacent electrode, reaches the transmissivity that improves two arbitrary or more sub-pixel region improvements, makes the pixel of different aperture opening rates reach the same transmissivity, and the transmissivity difference that can the great aperture opening rate difference of appropriate elimination leads to.
The preferred embodiments of the present invention have been described in detail, but the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be modified to the technical solution of the present invention (such as number, shape, position, etc.), and these modifications all belong to the protection scope of the present invention.
Claims (5)
1. A liquid crystal display panel comprises an array substrate, a color film substrate and a liquid crystal layer, wherein the array substrate and the color film substrate are oppositely arranged, and the liquid crystal layer is positioned between the array substrate and the color film substrate; the liquid crystal display panel is provided with a plurality of pixel units, and each pixel unit comprises three sub-pixel units, namely a first sub-pixel unit, a second sub-pixel unit and a third sub-pixel unit; the array substrate comprises a pixel electrode positioned in each sub-pixel unit, and the pixel electrode positioned in each sub-pixel unit comprises a plurality of electrodes and a slit positioned between adjacent electrodes; the color film substrate comprises a plurality of color layers corresponding to a plurality of pixel units, and each color layer comprises a first color layer corresponding to a first sub-pixel unit, a second color layer corresponding to a second sub-pixel unit and a third color layer corresponding to a third sub-pixel unit; the method is characterized in that:
the width of the electrode of the pixel electrode in the first sub-pixel unit is W1, the width of the slit of the pixel electrode in the first sub-pixel unit is S1, the width of the electrode of the pixel electrode in the second sub-pixel unit is W2, the width of the slit of the pixel electrode in the second sub-pixel unit is S2, the width of the electrode of the pixel electrode in the third sub-pixel unit is W3, and the width of the slit of the pixel electrode in the first sub-pixel unit is S3, W1/S1 ≠ W2/S2, W1/S1 ≠ W3/S3, or W2/S2 ≠ W3/S3.
2. The liquid crystal display panel according to claim 1, characterized in that: the color film substrate further comprises a black matrix, a flat layer covering the black matrix and the plurality of color layers, and a support column which is positioned on the flat layer and supports the box thickness; the height of the supporting column in the region corresponding to the first color layer is h1, the height of the supporting column in the region corresponding to the second color layer is h2, and the height of the supporting column in the region corresponding to the third color layer is h3, wherein h1 ≠ h2 or h1 ≠ h3 or h2 ≠ h 3.
3. The liquid crystal display panel according to claim 2, characterized in that: when h1 ≠ h2, the height of the planarization layer in the first sub-pixel region and the second sub-pixel region is different; when h1 ≠ h3, the height of the planarization layer in the first sub-pixel region and the third sub-pixel region is different; when h2 ≠ h3, the height of the planarization layer at the second sub-pixel region and the third sub-pixel region is different.
4. The liquid crystal display panel according to claim 1, characterized in that: the color film substrate further comprises a black matrix, a flat layer covering the black matrix and the plurality of color layers, and a support column which is positioned on the flat layer and supports the box thickness; the width of the black matrix between the first sub-pixel region and the second sub-pixel region is not equal to the width of the black matrix between the second sub-pixel region and the third sub-pixel region; or the width of the black matrix between the third sub-pixel region and the first sub-pixel region is not equal to the width of the black matrix between the second sub-pixel region and the third sub-pixel region; or the width of the black matrix between the first sub-pixel region and the second sub-pixel region is not equal to the width of the black matrix between the third sub-pixel region and the first sub-pixel region.
5. The liquid crystal display panel according to claim 4, wherein: the flat layer is covered on the black matrix and the plurality of color layers as a plane.
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| CN202022969913.8U CN213690177U (en) | 2020-12-10 | 2020-12-10 | Liquid crystal display panel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023123144A1 (en) * | 2021-12-30 | 2023-07-06 | 京东方科技集团股份有限公司 | Display panel and display apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023123144A1 (en) * | 2021-12-30 | 2023-07-06 | 京东方科技集团股份有限公司 | Display panel and display apparatus |
| CN116981986A (en) * | 2021-12-30 | 2023-10-31 | 京东方科技集团股份有限公司 | Display panel and display device |
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