CN202150001U - Pixel electrode and liquid crystal display panel - Google Patents
Pixel electrode and liquid crystal display panel Download PDFInfo
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- CN202150001U CN202150001U CN201120230396U CN201120230396U CN202150001U CN 202150001 U CN202150001 U CN 202150001U CN 201120230396 U CN201120230396 U CN 201120230396U CN 201120230396 U CN201120230396 U CN 201120230396U CN 202150001 U CN202150001 U CN 202150001U
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- strip
- pixel electrode
- trunk
- strip branch
- pixel
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- 239000004973 liquid crystal related substance Substances 0.000 title abstract description 18
- 235000007164 Oryza sativa Nutrition 0.000 claims description 6
- 235000009566 rice Nutrition 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 3
- 240000007594 Oryza sativa Species 0.000 claims 1
- 230000000694 effects Effects 0.000 description 6
- 241000209094 Oryza Species 0.000 description 5
- RGOVYLWUIBMPGK-UHFFFAOYSA-N nonivamide Chemical compound CCCCCCCCC(=O)NCC1=CC=C(O)C(OC)=C1 RGOVYLWUIBMPGK-UHFFFAOYSA-N 0.000 description 5
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 4
- 230000005684 electric field Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000003292 diminished effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000012467 final product Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
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- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The embodiment of the utility model provides a pixel electrode and liquid crystal display panel, this pixel electrode include the horizontal trunk of vertically crossing strip and the vertical trunk of strip, the crossing point of horizontal trunk and vertical trunk is the coincidence of the central point of horizontal trunk and the central point of vertical trunk; in four pixel areas formed by vertically intersecting a horizontal main trunk and a vertical main trunk and evenly dividing the horizontal main trunk and the vertical main trunk, each pixel area is provided with a plurality of tiled strip branches, the strip branches in each pixel area extend outwards at the same included angle relative to the horizontal main trunk, and intervals are formed between every two strip branches; the distal portion of the strip-like branches has a width greater than the width of the main portion of the strip-like branches. The width of the far end part of the strip branch of the pixel electrode is set to be larger than that of the strip branch, so that the area of the edge black area of the pixel electrode is reduced, the area of the non-opening area is reduced, the opening rate of the liquid crystal display panel can be improved, and the occurrence probability of discontinuous lines is restrained.
Description
Technical field
The utility model relates to technical field of liquid crystal display, relates in particular to a kind of pixel electrode and display panels.
Background technology
LCD become gradually various electronic equipments such as mobile phone, personal digital assistant (Personal Digital Assistant, PDA), the display device of digital camera, computer screen or the widespread use of notebook screen institute.LCD comprises backlight module and display panels, and display panels is to be made up of two substrates and the liquid crystal layer that is filled between the two substrates.The manufacturing process of display panels is varied, at present macromolecule stabilization vertical orientation (Ploymer Stabilized Vertical Alignment, display panels PSVA) commonly.
As shown in Figure 1, Fig. 1 is the structural representation of PSVA mode liquid crystal display panel in the prior art.The pixel electrode of the display panels of common PSVA pattern is designed to " rice " font, by the horizontal trunk 10 of the vertical trunk 20 of strip, strip and with x axle clamp angle be ± 45 degree, strip branch (slit) the 30 3 parts composition of ± 135 degree.Wherein vertically trunk 10 is divided into 4 zones (domain) with horizontal trunk 20 with pixel (pixel) area, and each zone all is made up of strip branch 30 tilings of oblique 45 degree.Shown in Figure 1 about up and down with about the electrode design of mirror image symmetry " rice " font respectively.
Fig. 2 applies the certain voltage (synoptic diagram that the liquid crystal after 0～4V) is swung to pixel electrode shown in Figure 1; As shown in Figure 2, the electrode design of common " rice " font that adopts is under the situation of energising, and swinging to of liquid crystal is to be toppled over to the pixel electrode inboard gradually by the beginning of the pixel electrode outside; The angle of toppling over is along strip branch (slit) direction; The liquid crystal toppling direction in 4 zones and the angle of horizontal trunk 10 are respectively ± 45 degree, and ± 135 spend, and all point to the middle section of pixel.As shown in Figure 2, the angle that liquid crystal is swung to horizontal trunk (X axle) is: first quartile-135 degree, second quadrant-45 degree, third quadrant 45 degree, four-quadrant 135 degree.
The branch design of the pixel electrode of traditional P SVA is simple rectangular configuration (as shown in Figure 1); Because existing design is more weak at edge's electric field of pixel electrode; The liquid crystal here can't be toppled over fully; A jagged black region can occur in the more weak place of the fringe field of pixel, influence LCD panel display effect.
The utility model content
The utility model provides a kind of pixel electrode and display panels, can solve display panels in the prior art effectively and exist aperture opening ratio low and cause the probability problem of higher of the low and line of discontinuity of liquid crystal efficient.
In order to solve the problems of the technologies described above; The utility model embodiment provides a kind of pixel electrode; Said pixel electrode comprises the horizontal trunk of the strip that intersects vertically and the vertical trunk of strip, and said horizontal trunk and the intersection point of said vertical trunk are the overlapping of central point of central point and the said vertical trunk of said horizontal trunk; By said horizontal trunk and said vertical trunk intersect vertically divide equally in four pixel regions that form; Each said pixel region has the strip branch of a plurality of tilings; A plurality of strip branch in said each pixel region stretches out with identical angle with respect to said horizontal trunk, and said a plurality of strip branch has at interval between any two; The width of the distal portions of said strip branch is greater than the width of the main part of said strip branch.
Preferably, the distal portions of the said strip branch polygon that to be width increase along the direction that stretches out of said strip branch gradually.
Said polygon is trapezoidal, and said trapezoidal upper base connects the main part of said strip branch.
The distal portions of difference strip branch varies in size or is identical.
Preferably, said a plurality of strip branch is 45 degree with the angle of said horizontal trunk and said vertical trunk respectively, and the parallel distribution of a plurality of strip branch in each said pixel region.
Preferably, a plurality of strips in each said pixel region between any two be identical at interval.
Preferably, a plurality of strips in each said pixel region between any two be different at interval.
Preferably, said by said horizontal trunk and said vertical trunk intersect vertically divide equally four pixel regions forming up and down with about mirror image symmetry respectively.
Preferably, said pixel electrode integral body is " rice " font.
Accordingly; The utility model embodiment also provides a kind of display panels; This display panels comprises pixel electrode; Wherein, said pixel electrode comprises the horizontal trunk of the strip that intersects vertically and the vertical trunk of strip, and said horizontal trunk and the intersection point of said vertical trunk are the overlapping of central point of central point and the said vertical trunk of said horizontal trunk; By said horizontal trunk and said vertical trunk intersect vertically divide equally in four pixel regions that form; Each said pixel region has the strip branch of a plurality of tilings; A plurality of strip branch in said each pixel region stretches out with identical angle with respect to said horizontal trunk, and said a plurality of strip branch has at interval between any two; The width of the distal portions of said strip branch is greater than the width of the main part of said strip branch.
In the utility model embodiment; Through the width of the distal portions (edge) of the strip branch of pixel electrode is arranged to the width greater than this strip branch; The area that makes distal portions have ITO obviously increases, and the electric field of edge of the strip branch of pixel electrode is strengthened, so that liquid crystal that should the zone can better be swung to; Thereby reduce the area of the black area, edge of pixel electrode; The area of non-open region is diminished, can improve the aperture opening ratio of display panels, and the occurrence probability of line of discontinuity is played the effect of inhibition.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of PSVA mode liquid crystal display panel in the prior art;
Fig. 2 swings to synoptic diagram to the liquid crystal that applies on the pixel electrode shown in Figure 1 after the certain voltage;
Fig. 3 is the structural representation of the electrode pixel of the utility model embodiment;
Fig. 4 is the structural representation of unit picture element electrode in the display panels of the utility model embodiment.
Embodiment
The utility model is low and cause the probability problem of higher of the low and line of discontinuity of liquid crystal efficient to the aperture opening ratio that exists in the existing display panels; A kind of novel pixel electrode and the display panels that comprises this pixel electrode are provided, can have addressed this problem effectively.
As shown in Figure 3, Fig. 3 is the structural representation of the electrode pixel of the utility model embodiment.The electrode pixel that the utility model provided comprises the horizontal trunk 10 of the strip that intersects vertically and the vertical trunk 20 of strip, and horizontal trunk 10 and the intersection point of vertical trunk 20 are the overlapping of central point of central point and the vertical trunk 20 of horizontal trunk 10; By horizontal trunk 10 and vertical trunk 20 intersect vertically divide equally in four pixel regions that form; Each pixel region has the strip branch 30 of a plurality of tilings; A plurality of strip branch 30 in each pixel region stretches out with identical angle with respect to horizontal trunk 10, and a plurality of strip branch 30 has at interval between any two; The width of the distal portions 310 of strip branch 30 is greater than the width of the main part of strip branch 30.The distal portions here is meant the part (marginal portion of strip branch 30) of strip branch 30 away from horizontal trunk 10 or vertical trunk 20.Because the width of the distal portions 310 of strip branch 30 is greater than the width of strip branch 30; The area that has tin indium oxide (ITO) so obviously increases, so the electric field of the edge of the strip branch of pixel electrode strengthened, and the liquid crystal in zone can better be swung to here; The area of the black area, edge of pixel electrode can diminish; Thereby the area of non-open region is diminished, thereby can improve aperture opening ratio, and the occurrence probability of line of discontinuity is played the effect of inhibition.
Simultaneously, the distal portions of example is trapezoidal among Fig. 3, can also be other polygon certainly,
And the distal portions size of different strip branch can be different in same pixel electrode, also can be identical, and also can the part same section different.
The material of the pixel electrode among the utility model embodiment is tin indium oxide or indium zinc oxide or amorphous tin indium oxide; In addition; In practical implementation; Only need the width of the distal portions 310 (marginal portion of branch) of strip branch be designed to the width of main part (promptly being in the above-mentioned strip branch) except other part of distal portions greater than strip branch 30, as, in order better to realize above-mentioned effect; In some specific embodiments of the utility model, can the distal portions of strip branch be designed to the polygon that width increases along the direction that stretches out of said strip branch gradually.As, polygon is trapezoidal, said trapezoidal upper base connects the main part of said strip branch.Perhaps also can be circle, triangle, quadrilateral, rectangle, square etc.; As long as play the distal portions that increases strip branch; And do not contact (as shown in Figure 3 between the adjacent strip branch mutually; In view of factor such as resolution effect, segment distal partly is in contact with one another, and is actually discontiguous) effect get final product.The area of distal portions 310 with ITO will obviously increase like this.
As shown in Figure 4, Fig. 4 is the structural representation of the display panels of the utility model embodiment.In practical implementation; The interval of strip branch 30 is meant the width in slit between per two strip branches 30; The width of the distal portions 310 of strip branch 30 is meant the both sides width of the width of distal portions 310 greater than the width of other part of strip branch 30 greater than the part of the width of the main part of strip branch 30, and the both sides width is respectively less than the interval between the pairing strip branch 30.
In addition, as shown in Figure 4 in the utility model embodiment, a plurality of strip branch 30 is 45 degree with the horizontal trunk 10 and the vertical angle of trunk 20 respectively, and a plurality of strip branch 30 parallel distributions in each pixel region.Be no more than the interval of strip branch 30 and the strip branch 30 of being separated by respectively greater than the part of the width of strip branch 30 for the width of the distal portions 310 that keeps strip branch 30 better; And the area equal and opposite in direction of this marginal portion; Alternatively, can identical distance be set a plurality of strips in each pixel region between any two.Certainly, also can be, a plurality of strips in each pixel region between any two be different at interval.
Can know by Fig. 3, preferably, by horizontal trunk 10 and vertical trunk 20 intersect vertically institute divide equally four pixel regions forming up and down with about mirror image is symmetrical respectively, and pixel electrode integral body is " rice " font.
The pixel electrode of the utility model embodiment can be applicable to PSVA display panels or pattern homeotropic alignment (Pattern Vertical Alignment, PVA) display panels etc.
As shown in Figure 4, Fig. 4 is the structural representation of unit picture element electrode in the display panels of the utility model embodiment.The utility model embodiment also provides a kind of display panels, and this panel comprises the pixel electrode in the foregoing description, can repeat no more here referring to above-mentioned embodiment about pixel electrode about the structrual description of this pixel electrode.Adopt this pixel electrode, liquid crystal is better swung to, the area of the black area, edge of strip branch can reduce, thereby the aperture opening ratio of display panels is improved, and helps to suppress the appearance of line of discontinuity in the pixel.
In sum; Though the utility model discloses as above with preferred embodiment; But this preferred embodiment is not that the those of ordinary skill in this field is in spirit that does not break away from the utility model and scope in order to restriction the utility model; All can do various changes and retouching, so the protection domain of the utility model is as the criterion with the scope that claim defines.
The above is the preferred implementation of the utility model; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; Can also make some improvement and retouching, these improvement and retouching also are regarded as the protection domain of the utility model.
Claims (10)
1. pixel electrode; It is characterized in that; Said pixel electrode comprises the horizontal trunk of the strip that intersects vertically and the vertical trunk of strip, and said horizontal trunk and the intersection point of said vertical trunk are the overlapping of central point of central point and the said vertical trunk of said horizontal trunk; By said horizontal trunk and said vertical trunk intersect vertically divide equally in four pixel regions that form; Each said pixel region has the strip branch of a plurality of tilings; A plurality of strip branch in said each pixel region stretches out with identical angle with respect to said horizontal trunk, and said a plurality of strip branch has at interval between any two; The width of the distal portions of said strip branch is greater than the width of the main part of said strip branch.
2. pixel electrode as claimed in claim 1 is characterized in that, the distal portions of the said strip branch polygon that to be width increase along the direction that stretches out of said strip branch gradually.
3. pixel electrode as claimed in claim 2 is characterized in that, said polygon is trapezoidal, and said trapezoidal upper base connects the main part of said strip branch.
4. like each described pixel electrode of claim 1 to 3, it is characterized in that the distal portions of different strip branch varies in size or be identical.
5. like each described pixel electrode in the claim 1 to 3, it is characterized in that said a plurality of strip branch is 45 degree with the angle of said horizontal trunk and said vertical trunk respectively, and the parallel distribution of a plurality of strip branch in each said pixel region.
6. pixel electrode as claimed in claim 5 is characterized in that, a plurality of strips in each said pixel region between any two be identical at interval.
7. pixel electrode as claimed in claim 5 is characterized in that, a plurality of strips in each said pixel region between any two be different at interval.
8. pixel electrode as claimed in claim 1 is characterized in that, said by said horizontal trunk and said vertical trunk intersect vertically divide equally four pixel regions forming up and down with about mirror image symmetry respectively.
9. pixel electrode as claimed in claim 8 is characterized in that, said pixel electrode integral body is " rice " font.
10. a display panels is characterized in that, said display panels comprises like any described pixel electrode of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120230396U CN202150001U (en) | 2011-07-01 | 2011-07-01 | Pixel electrode and liquid crystal display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120230396U CN202150001U (en) | 2011-07-01 | 2011-07-01 | Pixel electrode and liquid crystal display panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202150001U true CN202150001U (en) | 2012-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120230396U Expired - Lifetime CN202150001U (en) | 2011-07-01 | 2011-07-01 | Pixel electrode and liquid crystal display panel |
Country Status (1)
| Country | Link |
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| CN (1) | CN202150001U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102929052A (en) * | 2012-11-02 | 2013-02-13 | 京东方科技集团股份有限公司 | Thin film field effect transistor array substrate, manufacture method and display device thereof |
| WO2020087585A1 (en) * | 2018-10-30 | 2020-05-07 | 惠科股份有限公司 | Pixel electrode of display panel, display panel, and display device |
| WO2021208213A1 (en) * | 2020-04-14 | 2021-10-21 | 深圳市华星光电半导体显示技术有限公司 | Pixel electrode and liquid crystal display panel with pixel electrode |
-
2011
- 2011-07-01 CN CN201120230396U patent/CN202150001U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102929052A (en) * | 2012-11-02 | 2013-02-13 | 京东方科技集团股份有限公司 | Thin film field effect transistor array substrate, manufacture method and display device thereof |
| WO2020087585A1 (en) * | 2018-10-30 | 2020-05-07 | 惠科股份有限公司 | Pixel electrode of display panel, display panel, and display device |
| WO2021208213A1 (en) * | 2020-04-14 | 2021-10-21 | 深圳市华星光电半导体显示技术有限公司 | Pixel electrode and liquid crystal display panel with pixel electrode |
| US11754887B2 (en) | 2020-04-14 | 2023-09-12 | Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Pixel electrode and liquid crystal display panel having the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120222 |