CN202150003U - Pixel electrode and liquid crystal display panel - Google Patents
Pixel electrode and liquid crystal display panel Download PDFInfo
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- CN202150003U CN202150003U CN201120252588U CN201120252588U CN202150003U CN 202150003 U CN202150003 U CN 202150003U CN 201120252588 U CN201120252588 U CN 201120252588U CN 201120252588 U CN201120252588 U CN 201120252588U CN 202150003 U CN202150003 U CN 202150003U
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Abstract
The utility model provides a pixel electrode and a liquid crystal display panel; the pixel electrode comprises a strip-shaped horizontal trunk and a strip-shaped vertical trunk that are intersected vertically; the intersection point of the horizontal trunk and the vertical trunk is the coincided point of the central point of the horizontal trunk and the central point of the vertical trunk; in four pixel regions which are uniformly divided and formed by vertical intersection of the horizontal trunk and the vertical trunk, a plurality of tiled strip-shaped branches are arranged in each pixel region; the plurality of strip-shaped branches in each pixel region extend outwards with the same included angle relative to the horizontal trunk; an interval is reserved between every two strip-shaped branches; and the width of the connecting part between the strip-shaped branches and the horizontal trunk, or between the strip-shaped branches and the vertical trunk is smaller than the width of the main body parts of the strip-shaped branches. The utility model solves the technical problems that discontinuous lines appear and liquid crystal efficiency is influenced as liquid crystals of the pixel center, close to the left and right sides of the vertical trunk, extrude mutually in the prior art, and the liquid crystal efficiency can be improved.
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.
Because vertical trunk and horizontal trunk in the middle of existing design very depends on; And these two trunks are lighttight zones; Because the liquid crystal in these two trunks is swung to along the trunk direction, be 0 degree and 90 degree with horizontal trunk angle respectively, and polaroid is set at respectively and these horizontal trunk angle 0 degree and 90 degree up and down; Therefore can calculate this regional penetrance by the penetrance formula of general VA liquid crystal is 0, causes aperture opening ratio to reduce; Because the liquid crystal in these two trunks points to and horizontal trunk angle is 0 degree and 90 degree; Divide the sensing of expenditure different with strip, cause occurring easily line of discontinuity, promptly; Pixel center has influenced the efficient of liquid crystal near the liquid crystal mutual extrusion of the left and right sides, vertical trunk place and line of discontinuity occurs.
The utility model content
The display panels that the utility model provides a kind of pixel electrode and comprises said pixel electrode; Can solve pixel center in the prior art effectively near the liquid crystal mutual extrusion of the left and right sides, vertical trunk place and line of discontinuity occurs, influence the technical matters of liquid crystal efficient.
In order to solve the problems of the technologies described above; The utility model 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; Said a plurality of strip branch has at interval between any two, and the width of the coupling part of said strip branch and said horizontal trunk or said vertical trunk is less than the width of the main part of said strip branch.
Preferably, the coupling part of said strip branch is a width along the polygon that reduces gradually to the center bearing of trend of said strip branch.
Preferably, said polygon is a quadrilateral, the width of the junction of said quadrilateral and said horizontal trunk or said vertical trunk less than with the width of said main part junction.
Preferably, the coupling part of different 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.
Correspondingly, the utility model embodiment also provides a kind of display panels, comprises aforesaid pixel electrode.
Implement the embodiment of the utility model, have following beneficial effect:
Through design strip branch and horizontal trunk or vertically the width of the crossing end of trunk less than the width of this strip branch; Promptly; Design strip branch attenuates near an end at trunk place, makes that the liquid crystal at this place can be swung to preferably, is not easy to occur reciprocal extruding; Thereby help to suppress the appearance of pixel central authorities line of discontinuity; Solve pixel center in the prior art effectively near the liquid crystal mutual extrusion of the left and right sides, vertical trunk place and line of discontinuity occurs, influence the technical matters of liquid crystal efficient, improved liquid crystal efficient.
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 is that the liquid crystal after applying voltage on the pixel electrode as shown in Figure 1 is swung to synoptic diagram;
Fig. 3 is the planar structure synoptic diagram of the pixel electrode of the utility model embodiment;
Fig. 4 is the structure for amplifying synoptic diagram of Fig. 3 dotted portion;
Fig. 5 is the planar structure synoptic diagram of the display panels of the utility model embodiment.
Embodiment
LCD comprises backlight module and display panels; Display panels is to be made up of first substrate that is oppositely arranged and second substrate and the liquid crystal layer that is filled between this two substrates; Viewing area on second substrate comprises a plurality of pixel regions; Be provided with thin film transistor (TFT) and pixel electrode in it, the utility model occurs line of discontinuity to pixel center in the pixel electrode of prior art near the liquid crystal mutual extrusion of the left and right sides, vertical trunk place, influences the problem of liquid crystal efficient; A kind of novel pixel electrode and the display panels that comprises said pixel electrode are provided, can have addressed this problem effectively.
The planar structure synoptic diagram of the pixel electrode of the utility model embodiment as shown in Figure 3; Pixel electrode 6 comprises the horizontal trunk 62 of the strip that intersects vertically and the vertical trunk 64 of strip, and horizontal trunk 62 and the intersection point of vertical trunk 64 are the overlapping of central point of central point and the vertical trunk 64 of horizontal trunk 62; By horizontal trunk 62 and vertical trunk 64 intersect vertically divide equally in four pixel regions that form; Each pixel region has the strip branch 66 of a plurality of tilings; A plurality of strip branch 66 in each pixel region stretches out with identical angle with respect to horizontal trunk 62; Said a plurality of strip branch 66 has at interval between any two, strip branch 66 and horizontal trunk 62 or vertically the width of the coupling part 661 of trunk 64 less than the width of the main part of strip branch 66.
Particularly; The structure for amplifying synoptic diagram of Fig. 3 dotted portion as shown in Figure 4, the coupling part 661 of strip branch 66 and horizontal trunk 62 or vertical trunk 64, promptly strip branch 66 is near an end 661 of trunk; Be the polygon that to center bearing of trend gradually reduce of width along said strip branch 66; As be quadrilateral, the width of the junction of said quadrilateral and said horizontal trunk or said vertical trunk less than with the width of said main part junction, can certainly be other polygon.
Need to prove; Fig. 3 and Fig. 4 are one of them embodiment of the utility model; Strip branch 66 includes but not limited to above-mentioned quadrilateral structure with the coupling part 661 of horizontal trunk 62 or vertical trunk 64 among the utility model embodiment; Can be polygon arbitrarily, as be triangle, rhombus, rectangle, square, hexagon etc., as long as play the effect of the coupling part that reduces strip branch.
Further, the coupling part size of different strip branch can be similar and different.A plurality of strips interval between any two in each said pixel region also can be identical or different.
Need to prove that the material of the pixel electrode among the utility model embodiment includes but not limited to tin indium oxide (ITO) or indium zinc oxide or amorphous tin indium oxide or the like.Material with pixel electrode is that ITO is that example describes below; Be that the horizontal trunk 62 among Fig. 3 and Fig. 4, vertical trunk 64 and strip branch 66 all belong to the zone that ITO constitutes, in the zone that ITO constitutes, liquid crystal is applying under the voltage condition and can topple over to pixel (pixel) inboard along the direction of pixel electrode (strip branch); Promptly topple over to central side; Since strip branch 66 and horizontal trunk 62 or vertically the width of the end that intersects of trunk 64 promptly, attenuate less than the width of strip branch 66 near the branch at trunk place; The liquid crystal at this place can be swung to preferably; Be not easy to occur reciprocal extruding, thereby help to suppress the appearance of pixel central authorities line of discontinuity, thereby solve pixel center in the prior art effectively and line of discontinuity occurs near the liquid crystal mutual extrusion of the left and right sides, vertical trunk place; Influence the technical matters of liquid crystal efficient, improved liquid crystal efficient.
A plurality of strip branch 66 angles with respect to horizontal trunk 62 that tile in each pixel region include but not limited to 45 degree, and Fig. 3 and Fig. 4 are that 45 to spend be example with this angle;
Further, as shown in Figure 3, by horizontal trunk 62 and vertical trunk 64 intersect vertically institute divide equally four zones forming up and down with about mirror image symmetry respectively, that is, and the regional mirror image symmetry of horizontal trunk 62 both sides, vertically the regional mirror image of trunk 64 both sides is symmetrical; Pixel electrode 6 integral body are " rice " font.
The pixel electrode of the utility model embodiment can be applicable to PSVA display panels, twisted nematic (Twisted Nematic; TN) display panels or pattern homeotropic alignment (Pattern Vertical Alignment, PVA) display panels etc.
The planar structure synoptic diagram of the display panels of the utility model embodiment as shown in Figure 5; Display panels 8 comprises the pixel electrode 6 among the utility model embodiment; Structrual description about pixel electrode 6 can repeat no more referring to above-mentioned embodiment about pixel electrode 6 here.Need to prove that display panels 8 also comprises data line, sweep trace and switch element or the like.
In sum; Through design strip branch and horizontal trunk or vertically the width of the end that intersects of trunk promptly, design strip branch and attenuate less than the width of this strip branch near the end that trunk goes out; Make that the liquid crystal at this place can be swung to preferably; Be not easy to occur reciprocal extruding, thereby help to suppress the appearance of pixel central authorities line of discontinuity, solve pixel center in the prior art effectively and line of discontinuity occurs near the liquid crystal mutual extrusion of the left and right sides, vertical trunk place; Influence the technical matters of liquid crystal efficient, improved liquid crystal efficient.
Though the utility model discloses as above with preferred embodiment; But this preferred embodiment is not in order to restriction the utility model; The those of ordinary skill in this field; In spirit that does not break away from the utility model and scope, 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; Said a plurality of strip branch has at interval between any two, and the width of the coupling part of said strip branch and said horizontal trunk or said vertical trunk is less than the width of the main part of said strip branch.
2. pixel electrode as claimed in claim 1 is characterized in that, the coupling part of said strip branch is a width along the polygon that reduces gradually to the center bearing of trend of said strip branch.
3. pixel electrode as claimed in claim 2 is characterized in that, said polygon is a quadrilateral, the width of the junction of said quadrilateral and said horizontal trunk or said vertical trunk less than with the width of said main part junction.
4. like each described pixel electrode in the claim 1 to 3, it is characterized in that the coupling part 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 |
|---|---|---|---|
| CN201120252588U CN202150003U (en) | 2011-07-18 | 2011-07-18 | Pixel electrode and liquid crystal display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120252588U CN202150003U (en) | 2011-07-18 | 2011-07-18 | Pixel electrode and liquid crystal display panel |
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| Publication Number | Publication Date |
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| CN202150003U true CN202150003U (en) | 2012-02-22 |
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| CN201120252588U Expired - Lifetime CN202150003U (en) | 2011-07-18 | 2011-07-18 | Pixel electrode and liquid crystal display panel |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102269898A (en) * | 2011-07-18 | 2011-12-07 | 深圳市华星光电技术有限公司 | Pixel electrode and liquid crystal display panel |
| 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 |
| WO2016179850A1 (en) * | 2015-05-12 | 2016-11-17 | 深圳市华星光电技术有限公司 | Display panel and thin film transistor array substrate |
| CN109739056A (en) * | 2019-02-25 | 2019-05-10 | 深圳市华星光电半导体显示技术有限公司 | The pixel electrode and manufacturing method of liquid crystal display |
| CN111427199A (en) * | 2020-04-09 | 2020-07-17 | 深圳市华星光电半导体显示技术有限公司 | Pixel device and display panel |
| TWI714230B (en) * | 2019-08-22 | 2020-12-21 | 友達光電股份有限公司 | Display panel |
-
2011
- 2011-07-18 CN CN201120252588U patent/CN202150003U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102269898A (en) * | 2011-07-18 | 2011-12-07 | 深圳市华星光电技术有限公司 | Pixel electrode and liquid crystal display panel |
| WO2013010350A1 (en) * | 2011-07-18 | 2013-01-24 | 深圳市华星光电技术有限公司 | Pixel electrode and liquid crystal display panel |
| CN102269898B (en) * | 2011-07-18 | 2013-11-06 | 深圳市华星光电技术有限公司 | Pixel electrode and liquid crystal display panel |
| 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 |
| WO2016179850A1 (en) * | 2015-05-12 | 2016-11-17 | 深圳市华星光电技术有限公司 | Display panel and thin film transistor array substrate |
| CN109739056A (en) * | 2019-02-25 | 2019-05-10 | 深圳市华星光电半导体显示技术有限公司 | The pixel electrode and manufacturing method of liquid crystal display |
| WO2020172947A1 (en) * | 2019-02-25 | 2020-09-03 | 深圳市华星光电半导体显示技术有限公司 | Liquid crystal display panel, pixel electrode of liquid crystal display and manufacturing method |
| TWI714230B (en) * | 2019-08-22 | 2020-12-21 | 友達光電股份有限公司 | Display panel |
| CN111427199A (en) * | 2020-04-09 | 2020-07-17 | 深圳市华星光电半导体显示技术有限公司 | Pixel device and display panel |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120222 |
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| CX01 | Expiry of patent term |