CN105700254B - Electrode, array substrate and display panel - Google Patents
Electrode, array substrate and display panel Download PDFInfo
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- CN105700254B CN105700254B CN201610127656.9A CN201610127656A CN105700254B CN 105700254 B CN105700254 B CN 105700254B CN 201610127656 A CN201610127656 A CN 201610127656A CN 105700254 B CN105700254 B CN 105700254B
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
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Abstract
The invention discloses an electrode, an array substrate and a display panel, wherein the electrode comprises a first electrode and a second electrode corresponding to the first electrode, the first electrode is a planar electrode, and the second electrode is a hollow electrode; the second electrode comprises a plurality of hollowed-out areas and strip-shaped sub-electrodes between two adjacent hollowed-out areas, the edge of the first electrode is provided with a notch along the length direction of the strip-shaped sub-electrodes, the position of the notch corresponds to the position of the strip-shaped sub-electrodes, and the electric field between the first electrode and the second electrode at the periphery of the notch is improved through the notch, so that the abnormal area of liquid crystal rotation at the periphery of the notch is reduced, the occurrence probability of pressing trace residues is reduced, and the light transmittance of the array substrate and the display panel manufactured by the electrodes is improved.
Description
Technical Field
The invention relates to the field of liquid crystal display, in particular to an electrode, an array substrate and a display panel.
Background
As one of thin film transistor liquid crystal display (TFT-LCD) display technologies, the ultra-advanced super-dimensional field switching (HADS) liquid crystal display mode has significant advantages of high aperture ratio, wide viewing angle, and high light transmittance, and is widely applied in the scenes of notebook computers (NB), Tablet computers (tablets), Mobile phones (Mobile), and the like.
The conventional HADS liquid crystal display mode includes two electrodes to which a voltage is applied, and Liquid Crystal (LC) therein is driven to be deflected by an electric field between the two electrodes, thereby implementing display of a picture. As shown in fig. 1, one electrode 1 is a block electrode, and the other electrode 2 is a hollow electrode corresponding to a planar electrode, and this structure may cause an electric field disorder at an intersection of hollow areas of the first electrode and the second electrode, which causes abnormal rotation of liquid crystal in the corresponding area, thereby causing a Trace residual (Trace Mura) and reducing light transmittance of the display Panel (Panel).
Disclosure of Invention
Technical problem to be solved
The technical problem to be solved by the invention is how to arrange the electrodes to avoid the abnormal rotation of the liquid crystal caused by the disorder of the electric field at the intersection of the two electrodes.
(II) technical scheme
In order to solve the technical problem, the invention provides an electrode, which comprises a first electrode and a second electrode corresponding to the first electrode, wherein the first electrode is a planar electrode, and the second electrode is a hollow electrode; the second electrode comprises a plurality of hollow areas and strip-shaped sub-electrodes between two adjacent hollow areas;
and notches are arranged on the edge of the first electrode along the length direction of the strip-shaped sub-electrodes, and the positions of the notches correspond to the positions of the strip-shaped sub-electrodes.
Preferably, a projection of the notch partially overlaps a hollowed-out area of the edge of the second electrode.
Preferably, the gaps are multiple, and the multiple gaps are arranged at positions corresponding to the strip-shaped sub-electrodes between every two adjacent hollow-out areas.
Preferably, the width of the notch is 30% to 250% of the width of the strip-shaped sub-electrode.
Preferably, the width of the gap is 50% -150% of the width of the strip-shaped sub-electrode.
Preferably, the depth of the notch is smaller than the depth of the strip sub-electrode.
Preferably, a strip-shaped electrode is formed between the notch and the edge of the first electrode, and the shape of the strip-shaped electrode is consistent with that of the strip-shaped sub-electrode.
Preferably, the width of the strip-shaped electrode is 30-120% of the width of the strip-shaped sub-electrode.
An array substrate comprises the electrode.
A display panel comprises the array substrate.
(III) advantageous effects
The invention provides an electrode, an array substrate and a display panel, wherein the electrode comprises a first electrode and a second electrode corresponding to the first electrode, the first electrode is a planar electrode, and the second electrode is a hollow electrode; the second electrode comprises a plurality of hollow areas and a strip-shaped sub-electrode between two adjacent hollow areas, a gap is arranged on the edge of the first electrode along the length direction of the strip-shaped sub-electrode, and the position of the gap corresponds to the position of the strip-shaped sub-electrode. The electric field between the first electrode and the second electrode at the periphery of the notch is improved through the notch, namely the electric field at the intersection of the hollow areas at the edges of the first electrode and the second electrode is improved, so that the abnormal area of liquid crystal rotation at the periphery of the notch is reduced, the probability of pressing trace residue is reduced, and the light transmittance of the array substrate and the display panel manufactured by the electrodes is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of an electrode structure of a HADS liquid crystal display mode in the prior art;
FIG. 2 is a schematic diagram of an electrode according to a first preferred embodiment of the present invention;
FIG. 3A is a display image of the edge of a pixel in a white state of a HADS LCD in the prior art;
FIG. 3B is the image displayed on the edge of the pixel of the HADS LCD manufactured by the electrode substrate according to the first preferred embodiment of the present invention in the white state;
FIG. 4 is a schematic structural diagram of an electrode according to a second preferred embodiment of the present invention;
FIG. 5 is a display image of the edge of a pixel in a white state of a HADS LCD manufactured by using an electrode base according to another preferred embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the figures and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
The first embodiment is as follows:
an electrode, as shown in fig. 2, comprises a first electrode 1 and a second electrode 2 corresponding to the first electrode 1, wherein the first electrode 1 is a planar electrode, and the second electrode 2 is a hollow electrode; the second electrode comprises a plurality of hollow areas and strip-shaped sub-electrodes 3 between two adjacent hollow areas; the edge of the first electrode 1 is provided with a notch 4 along the length direction of the strip-shaped sub-electrode 3, and the position of the notch 4 corresponds to the position of the strip-shaped sub-electrode 3. The width of the notch 4 is 30% to 250% of the width of the strip-shaped sub-electrode 3, and in this embodiment, the width of the notch 4 is set to be 50% to 100% of the width of the strip-shaped sub-electrode 3.
The gap 4 is arranged in the area of the edge of the first electrode 1 corresponding to the position of the strip-shaped sub-electrode 3, so that the electric field between the first electrode 1 and the second electrode 2 at the periphery of the gap 4 (namely at the staggered edge of the hollow-out area of the edge of the first electrode and the second electrode) can be changed, the abnormal area of liquid crystal rotation at the periphery of the gap 4 can be reduced, the occurrence probability of pressing trace residues is reduced, and the light transmittance of the array substrate and the display panel manufactured by the electrodes is improved.
Further, as shown in fig. 2, the projection of the notch 4 is partially overlapped with the hollow area of the edge of the second electrode 2, so that the electric field between the first electrode and the second electrode around the notch 4 can be further improved, and abnormal liquid crystal deflection caused by the disturbance of the electric field at the staggered edge of the hollow area of the edge of the first electrode and the second electrode can be avoided.
Further, as shown in fig. 2, the depth of the notch 4 is smaller than that of the strip-shaped sub-electrode 3 and a strip-shaped electrode 5 is formed between the notch 4 and the edge of the first electrode 1, and the shape of the strip-shaped electrode 5 is identical to that of the strip-shaped sub-electrode 3. Preferably, the width of the strip-shaped electrode 5 is 30% to 120% of the width of the strip-shaped sub-electrode 3. The shape and width of the strip-shaped electrodes 5 are designed to change the electric field at the position around the notch 4, thereby further improving the electric field between the first electrode and the second electrode around the notch 4.
Fig. 3A is a display image of the edge of a pixel in a white state of a prior art HADS lcd, and fig. 3B is a display image of the edge of a pixel in a white state of a HADS lcd manufactured by using the electrode base according to a first preferred embodiment of the present invention, and it can be known from comparison between fig. 3A and fig. 3B that the dark region caused by the disordered liquid crystal alignment can be effectively reduced by using the electrode of the present embodiment, the probability of Trace Mura occurrence can be reduced, and the transmittance of the patch manufactured by using the electrode can be improved.
Example two:
as shown in fig. 4, the electrode of the present embodiment is different from the electrode of the first embodiment in that the electrode of the present embodiment includes a plurality of notches 4, and the plurality of notches 4 are disposed at positions corresponding to the strip-shaped sub-electrodes 3 between every two adjacent hollow areas. The notch 4 of the edge of the first electrode 1 is the same as the notch of the first embodiment. The width of the notch 4 is 30% to 250% of the width of the strip-shaped sub-electrode 3, and in this embodiment, the width of the notch 4 is set to be 50% to 150% of the width of the strip-shaped sub-electrode 3. The plurality of gaps arranged in the embodiment can improve and change the electric field around each gap 4 (namely, at the staggered edges of the hollow areas at the edges of the first electrode and the second electrode), so that the abnormal area of the liquid crystal rotation around each gap 4 can be reduced, the occurrence probability of pressing trace residues is reduced, and the light transmittance of the array substrate and the display panel manufactured by the electrodes is improved.
Fig. 5 is a display image of the edge of a pixel in a white state of a HADS lcd manufactured by using the electrode substrate according to another preferred embodiment of the present invention, and comparing fig. 3A and fig. 5, it can be known that the dark region caused by the liquid crystal alignment disorder can be effectively reduced by using the electrode of this embodiment, the probability of Trace Mura occurrence can be reduced, and the transmittance of the Panel manufactured by using the electrode can be improved.
In the first and second embodiments, the edge of the first electrode is modified by the electrode, that is, the notch and the strip-shaped electrode formed by the notch are formed, so that the electric field between the first electrode and the second electrode at the modified position is improved, the abnormal rotation area of the liquid crystal LC is reduced, and the occurrence probability of Trace Mura is reduced.
The invention also discloses an array substrate which comprises the electrode of the first embodiment or the second embodiment. Meanwhile, the invention also discloses a display panel which comprises the array substrate. Compared with the existing array substrate and display panel, the array substrate and the display panel effectively reduce the abnormal liquid crystal deflection area, reduce the probability of Trace Mura and improve the light transmittance.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (6)
1. An electrode is characterized by comprising a first electrode and a second electrode corresponding to the first electrode, wherein the first electrode is a planar electrode, and the second electrode is a hollow electrode; the second electrode comprises a plurality of hollow areas and strip-shaped sub-electrodes between two adjacent hollow areas;
the first notch and the plurality of second notches are arranged on the edge of the first electrode along the length direction of the strip-shaped sub-electrode, the projection of the first notch is partially overlapped with the hollow-out area of the edge of the second electrode, the position of the second notch corresponds to the position of the strip-shaped sub-electrode, and the projection of the second notch is only overlapped with the area of the strip-shaped sub-electrode;
the depth of the first notch is smaller than that of the strip-shaped sub-electrode.
2. The electrode of claim 1, wherein the width of the first gap is 30% to 250% of the width of the strip-shaped sub-electrode.
3. The electrode according to claim 1, wherein the edge of the first electrode between two adjacent second gaps forms a strip-shaped electrode, and the shape of the strip-shaped electrode is consistent with that of the strip-shaped sub-electrode.
4. The electrode according to claim 3, wherein the width of the strip-shaped electrode is 30-120% of the width of the strip-shaped sub-electrode.
5. An array substrate comprising the electrode of any one of claims 1 to 4.
6. A display panel comprising the array substrate according to claim 5.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610127656.9A CN105700254B (en) | 2016-03-07 | 2016-03-07 | Electrode, array substrate and display panel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610127656.9A CN105700254B (en) | 2016-03-07 | 2016-03-07 | Electrode, array substrate and display panel |
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| CN105700254A CN105700254A (en) | 2016-06-22 |
| CN105700254B true CN105700254B (en) | 2020-03-27 |
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| CN115210641B (en) * | 2020-12-11 | 2023-11-28 | 京东方科技集团股份有限公司 | Pixel electrode, pixel structure, display panel and display device |
| CN115885212A (en) * | 2021-06-18 | 2023-03-31 | 京东方科技集团股份有限公司 | Display substrate, preparation method thereof, display device and mask |
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| KR100717189B1 (en) * | 2004-12-22 | 2007-05-11 | 비오이 하이디스 테크놀로지 주식회사 | Fringe field switching mode liquid crystal display |
| KR100678738B1 (en) * | 2005-10-19 | 2007-02-02 | 비오이 하이디스 테크놀로지 주식회사 | Fringe field switching mode liquid crystal display |
| US8189158B1 (en) * | 2011-09-29 | 2012-05-29 | Hannstar Display Corp. | Fringe field switching liquid crystal display apparatus |
| CN102364388B (en) * | 2011-11-21 | 2013-11-27 | 深圳市华星光电技术有限公司 | Pixel electrode and liquid crystal display (LCD) panel |
| CN102629038B (en) * | 2011-12-15 | 2014-12-24 | 京东方科技集团股份有限公司 | Thin film transistor (TFT) array substrate, manufacture method thereof and display device |
| CN103346160B (en) * | 2013-07-10 | 2016-04-06 | 京东方科技集团股份有限公司 | Array base palte and preparation method thereof, display unit |
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