CN102402078A - Liquid crystal display structure - Google Patents
Liquid crystal display structure Download PDFInfo
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- CN102402078A CN102402078A CN2010102795081A CN201010279508A CN102402078A CN 102402078 A CN102402078 A CN 102402078A CN 2010102795081 A CN2010102795081 A CN 2010102795081A CN 201010279508 A CN201010279508 A CN 201010279508A CN 102402078 A CN102402078 A CN 102402078A
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 90
- 239000000463 material Substances 0.000 claims description 12
- 238000009826 distribution Methods 0.000 claims description 4
- 239000000758 substrate Substances 0.000 abstract description 31
- 238000002834 transmittance Methods 0.000 description 10
- 239000010409 thin film Substances 0.000 description 7
- 239000011521 glass Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 1
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Abstract
The invention discloses a liquid crystal display structure, wherein a first alignment layer and a first electrode layer are positioned above a liquid crystal layer. The second electrode layer and the second alignment layer are located below the liquid crystal layer. The first alignment layer and the second alignment layer are respectively provided with a plurality of alignment regions with different alignment directions. At least one of the first electrode layer and the second electrode layer comprises a substrate and a plurality of openings, and at least comprises a plurality of electrode areas. The boundary of the electrode region corresponds to the boundary of the alignment region. The direction of the opening of the electrode region is between the alignment directions of the alignment regions corresponding to the first alignment layer and the second alignment layer.
Description
Technical field
The present invention relates to a kind of liquid crystal display structure, particularly relate to the liquid crystal display structure that promotes light transmittance.
Background technology
In lcd technology, reach the demand of rapid reaction and wide viewing angle, the arrangement of toppling over that must make liquid crystal molecule present different directions in a plurality of zones, multizone orientation just in order to make liquid crystal molecule.
Fig. 1 is the cut-open view of available liquid crystal display structure.Liquid crystal layer 5 is arranged between thin film transistor (TFT) (TFT) substrate 6 and colored filter (CF) substrate 9.TFT substrate 6 comprises glass substrate 8, electrode layer 2 and both alignment layers 3, and wherein electrode layer 2 is arranged on the glass substrate 8, and both alignment layers 3 is arranged on the electrode layer 2.CF substrate 9 comprises glass substrate 7, electrode layer 2 and both alignment layers 4, and wherein electrode layer 1 is arranged on the glass substrate 7, and both alignment layers 4 is arranged on the electrode layer 1.
Fig. 2 and Fig. 3 show the alignment direction of both alignment layers 3,4 respectively.Fig. 4 shows the liquid crystal toppling direction of the liquid crystal molecule in the liquid crystal layer 5.Please with reference to Fig. 2 and Fig. 3; Both alignment layers 3 has the orientation zone of the alignment direction of two differ from vertical by as much, 180 degree; Both alignment layers 4 has two levels to differ the orientation zone of 180 alignment direction; This can cause the liquid crystal molecule in the liquid crystal layer 5 to have the orientation effect (solid arrow among Fig. 5 representes that liquid crystal molecule still has other liquid crystal toppling directions between the alignment direction of both alignment layers 3,4) in four zones, that is causes four liquid crystal to topple over the zone.
The vertical view of Fig. 5 show electrode layer 1 and electrode layer 2.Please refer to Fig. 5, in the prior art, both alignment layers 3,4 can collocation be used astomous electrode layer 1 and electrode layer 2.
Yet in the process that applies voltage-operated liquid crystal display structure with electrode layer 1,2, both alignment layers 3,4, the orientation mode of both alignment layers 3,4 can cause the dark line of cross of the intersection in orientation zone; In addition; Receive the influence of the fringe field (fringe field) of electrode layer 1,2, a side in each orientation zone also has the dark line in border, and is as shown in Figure 6; Therefore the light transmittance of liquid crystal display structure is low, and for example about 27.48%.
Summary of the invention
The present invention provides a kind of liquid crystal display structure, and its dark line is less, and has higher light transmittance.
The present invention proposes a kind of liquid crystal display structure.Liquid crystal display structure comprises liquid crystal layer, first both alignment layers, first electrode layer, second both alignment layers and the second electrode lay.First both alignment layers is positioned at the liquid crystal layer top.First both alignment layers comprises first orientation zone and second orientation zone at least.The first orientation zone has first alignment direction.The second orientation zone has second alignment direction.First electrode layer is positioned at the liquid crystal layer top.Second both alignment layers is positioned at the liquid crystal layer below.Second both alignment layers comprises the 3rd orientation zone and the 4th orientation zone at least.The 3rd orientation zone has the 3rd alignment direction.The 4th orientation zone has the 4th alignment direction.First alignment direction, second alignment direction, the 3rd alignment direction are different with the 4th alignment direction.The second electrode lay is positioned at the liquid crystal layer below.One of them comprises base material and most openings at least for electrode layer and the second electrode lay, and comprises the first region territory, the second electrode region, third electrode zone and the 4th electrode zone at least.The first region territory, the second electrode region, third electrode zone and intersection corresponding first orientation zone of the 4th electrode zone and the intersection in second orientation zone, and corresponding the 3rd orientation zone and the regional intersection of the 4th orientation.Opening is configured in the intersection of the first region territory, the second electrode region, third electrode zone and the 4th electrode zone.Perhaps; Opening is configured in the first region territory, the second electrode region, third electrode zone and the 4th electrode zone; And the direction of the opening in the first region territory is between first alignment direction and the 3rd alignment direction; The direction of the opening of the second electrode region is between second alignment direction and the 3rd alignment direction; The direction of the opening in third electrode zone is between first alignment direction and the 4th alignment direction, and the direction of the opening of the 4th electrode zone is between second alignment direction and the 4th alignment direction.
The present invention also proposes a kind of liquid crystal display structure.Liquid crystal display structure comprises liquid crystal layer, first both alignment layers, first electrode layer, second both alignment layers and the second electrode lay.First both alignment layers is positioned at the liquid crystal layer top.First both alignment layers comprises first orientation zone and second orientation zone at least.The first orientation zone has first alignment direction.The second orientation zone has second alignment direction.First electrode layer is positioned at the liquid crystal layer top.Second both alignment layers is positioned at the liquid crystal layer below.Second both alignment layers comprises the 3rd orientation zone and the 4th orientation zone at least.The 3rd orientation zone has the 3rd alignment direction.The 4th orientation zone has the 4th alignment direction.First alignment direction, second alignment direction, the 3rd alignment direction are different with the 4th alignment direction.The second electrode lay is positioned at the liquid crystal layer below.One of them comprises base material and most openings at least for electrode layer and the second electrode lay, and comprises the first region territory, the second electrode region, third electrode zone and the 4th electrode zone at least.The first region territory, the second electrode region, third electrode zone and intersection corresponding first orientation zone of the 4th electrode zone and the intersection in second orientation zone, and corresponding the 3rd orientation zone and the regional intersection of the 4th orientation.Opening is configured in the intersection of the first region territory, the second electrode region, third electrode zone and the 4th electrode zone, and opening is crossing distribution.
The present invention also proposes a kind of liquid crystal display structure.Liquid crystal display structure comprises liquid crystal layer, first both alignment layers, first electrode layer, second both alignment layers and the second electrode lay.First both alignment layers and first electrode layer are positioned at the liquid crystal layer top.First both alignment layers comprises first orientation zone and second orientation zone at least, and it has first alignment direction and second alignment direction respectively.The second electrode lay and second both alignment layers are positioned at the liquid crystal layer below.Second both alignment layers comprises the 3rd orientation zone and the 4th orientation zone at least, and it has the 3rd alignment direction and the 4th alignment direction respectively.First alignment direction, second alignment direction, the 3rd alignment direction are different with the 4th alignment direction.One of them comprises base material and most openings at least for first electrode layer and the second electrode lay, and comprises the first region territory, the second electrode region, third electrode zone and the 4th electrode zone at least.The intersection in the first region territory, the second electrode region, second orientation zone, corresponding first orientation of the regional intersection of third electrode zone, and the intersection in corresponding the 3rd orientation zone and the 4th orientation zone with the 4th electrode zone.The direction of the opening in the first region territory is between first alignment direction and the 3rd alignment direction.The direction of the opening of the second electrode region is between second alignment direction and the 3rd alignment direction.The direction of the opening in third electrode zone is between first alignment direction and the 4th alignment direction.The direction of the opening of the 4th electrode zone is between second alignment direction and the 4th alignment direction.
For letting above-mentioned purpose of the present invention, characteristic and the advantage can be more obviously understandable, hereinafter is special lifts preferred embodiment, and cooperates appended accompanying drawing, elaborates as follows:
Description of drawings
Fig. 1 is the cut-open view of available liquid crystal display structure;
Fig. 2 shows the alignment direction of both alignment layers;
Fig. 3 shows the alignment direction of both alignment layers;
Fig. 4 shows the liquid crystal toppling direction of the liquid crystal molecule in the liquid crystal layer;
Fig. 5 shows the vertical view of electrode layer of electrode layer and the colored filter substrate of existing thin film transistor base plate;
Fig. 6 is the bright attitude optics texture of available liquid crystal display structure;
Fig. 7 shows the vertical view of electrode layer of electrode layer and colored filter substrate of the thin film transistor base plate of first embodiment of the invention;
Fig. 8 shows the bright attitude optics texture of the liquid crystal display structure of a specific embodiment;
Fig. 9 shows embodiments of the invention and available liquid crystal display structure light transmittance and time relation after applying voltage;
Figure 10 illustrates the vertical view of electrode layer of electrode layer and colored filter substrate of the thin film transistor base plate substrate of second embodiment of the invention;
Figure 11 shows the bright attitude optics texture of the liquid crystal display structure of a specific embodiment;
Figure 12 illustrates the vertical view of electrode layer of electrode layer and colored filter substrate of the thin film transistor base plate substrate of third embodiment of the invention;
Figure 13 shows the bright attitude optics texture of the liquid crystal display structure of a specific embodiment.
The main element symbol description
1: electrode layer
2: electrode layer
3: both alignment layers
4: both alignment layers
5: liquid crystal layer
6: thin film transistor (TFT) (TFT) substrate
7: glass substrate
8: glass substrate
9: colored filter (CF) substrate
11: electrode layer
12: electrode layer
13: base material
14: opening
15: opening
16: opening
Embodiment
Below utilize Fig. 2 to Fig. 4 and Fig. 7 to Figure 13 that the embodiment of the notion according to the present invention is described, right the present invention is not limited to this.
Fig. 7 shows the vertical view of electrode layer of electrode layer and colored filter (CF) substrate of thin film transistor (TFT) (TFT) substrate of first embodiment of the invention.Please with reference to Fig. 7, the electrode layer 12 of TFT substrate comprises base material 13 and a plurality of openings 14 that are arranged in base material 13, and the electrode layer 11 of CF substrate does not have opening, therefore in Fig. 7, passes opening 14 and can see the electrode layer 11 that puts in place below electrode layer 12.
Please with reference to Fig. 7, electrode layer 12 comprises a plurality of (for example upper left, following, upper right, bottom right, a left side) electrode zone, its a plurality of (under for example upper left, left, upper right, bottom right) liquid crystal that can be corresponding respectively in liquid crystal layer 5, be caused by both alignment layers 3,4 is toppled over the zone.The intersection of the electrode zone of electrode layer 12 can corresponding both alignment layers 3,4 (Fig. 2, Fig. 3) the intersection (Fig. 4) in different alignment zone.In one embodiment, the electrode zone of electrode layer 12 is defined by the hip cross branch in the middle of the base material 13, and is as shown in Figure 7.Cross part can corresponding both alignment layers 3,4 (Fig. 2, Fig. 3) (cross) intersection (Fig. 4) in different alignment zone.
Please with reference to Fig. 7, in an embodiment of the present invention, the direction of the opening 14 in electrode layer 12 each electrode zone is between the alignment direction in the orientation zone of the both alignment layers 3,4 of correspondence (not comprising alignment direction).In addition, the opening 14 in the same electrode zone can be parallel to each other.In a preferred embodiment, about 45 degree of the angle between the intersection of opening 14 and electrode zone (or cross part of base material 13).In one embodiment, the opening 14 in electrode layer 12 each electrode zone is the staggered central point distributions according to the intersection of electrode zone.Further for instance, in a preferred embodiment, the distribution of the opening 14 in electrode layer 12 each electrode zone is that the intersection with cross part is center and symmetrically, and is as shown in Figure 7.Fig. 8 shows the bright attitude optics texture of the liquid crystal display structure of a specific embodiment, and its light transmittance is for example about 28.02%, and is better than the result of available liquid crystal display structure shown in Figure 6.
Fig. 9 shows embodiments of the invention and available liquid crystal display structure light transmittance and time relation after applying voltage.Can know from the result of Fig. 9; Be of a size of 90 μ m in pixel; And under the situation of the tilt angle of liquid crystal symmetry (S) or asymmetric (AS), embodiments of the invention use the light transmittance of the liquid crystal display structure of the electrode layer (Web) with opening to use astomous electrode layer (Full) liquid crystal display structure high than having now.
Figure 10 illustrates the vertical view of electrode layer of electrode layer and CF substrate of the TFT substrate of second embodiment of the invention.The liquid crystal display structure of Figure 10 and Fig. 7 different be in, the opening 15 in the electrode zone of adjacency can be connected mutually.Figure 11 shows the bright attitude optics texture of the liquid crystal display structure of a specific embodiment, and its light transmittance is for example about 28.11%, and is better than the result of available liquid crystal display structure shown in Figure 6.
Figure 12 illustrates the vertical view of electrode layer of electrode layer and CF substrate of the TFT substrate of third embodiment of the invention.Shown in figure 12, opening 16 is configured in the intersection of electrode zone.Figure 13 shows the bright attitude optics texture of the liquid crystal display structure of a specific embodiment, and its light transmittance is for example about 27.74%, and is better than the result of available liquid crystal display structure shown in Figure 6.
The electrode layer of the embodiment of the invention has a plurality of openings.Opening is configured on the intersection of electrode zone.Perhaps, opening is configured in the electrode zone, and opening direction is between the alignment direction in the orientation zone of corresponding both alignment layers.Compared to prior art shown in Figure 5, the liquid crystal display structure of embodiments of the invention produces less dark line in operating process, and has higher light transmittance.
Though combined above preferred embodiment to disclose the present invention, yet it is not in order to limiting the present invention, anyly be familiar with this operator, do not breaking away from the spirit and scope of the present invention, can do a little change and retouching.Electrode layer that for example can the CF substrate comprises a plurality of openings, and the electrode layer of TFT substrate does not have opening, and perhaps, the electrode layer of CF substrate and TFT substrate all comprises opening.Therefore protection scope of the present invention should with enclose claim was defined is as the criterion.
Claims (10)
1. liquid crystal display structure comprises:
Liquid crystal layer;
First both alignment layers is positioned at this liquid crystal layer top, and this first both alignment layers comprises at least:
First orientation zone has first alignment direction; And
Second orientation zone has second alignment direction;
First electrode layer is positioned at this liquid crystal layer top;
Second both alignment layers is positioned at this liquid crystal layer below, and this second both alignment layers comprises at least:
The 3rd orientation zone has the 3rd alignment direction; And
The 4th orientation zone has the 4th alignment direction, and wherein this first alignment direction, this second alignment direction, the 3rd alignment direction are different with the 4th alignment direction; And
The second electrode lay is positioned at this liquid crystal layer below, and wherein one of them comprises a base material and most openings at least for this first electrode layer and this second electrode lay, and comprises at least:
The first region territory;
The second electrode region;
The third electrode zone; And
The 4th electrode zone, wherein
The intersection of this first region territory, this second electrode region, this third electrode zone and the 4th electrode zone is to should first orientation zone and the intersection in this second orientation zone; And to should the 3rd orientation one intersection in zone and the 4th orientation zone
Those openings are configured in the intersection of this first region territory, this second electrode region, this third electrode zone and the 4th electrode zone, perhaps,
Those openings are configured in this first region territory, this second electrode region, this third electrode zone and the 4th electrode zone; And the direction of those openings in this first region territory is between this first alignment direction and the 3rd alignment direction; The direction of those openings of this second electrode region is between this second alignment direction and the 3rd alignment direction; The direction of those openings in this third electrode zone is between this first alignment direction and the 4th alignment direction, and the direction of those openings of the 4th electrode zone is between this second alignment direction and the 4th alignment direction.
2. liquid crystal display structure comprises:
Liquid crystal layer;
First both alignment layers is positioned at this liquid crystal layer top, and this first both alignment layers comprises at least:
First orientation zone has first alignment direction; And
Second orientation zone has second alignment direction;
First electrode layer is positioned at this liquid crystal layer top;
Second both alignment layers is positioned at this liquid crystal layer below, and this second both alignment layers comprises at least:
The 3rd orientation zone has the 3rd alignment direction; And
The 4th orientation zone has the 4th alignment direction, and wherein this first alignment direction, this second alignment direction, the 3rd alignment direction are different with the 4th alignment direction; And
The second electrode lay is positioned at this liquid crystal layer below, and wherein one of them comprises a base material and most openings at least for this first electrode layer and this second electrode lay, and comprises at least:
The first region territory;
The second electrode region;
The third electrode zone; And
The 4th electrode zone, wherein
The intersection of this first region territory, this second electrode region, this third electrode zone and the 4th electrode zone is to should first orientation zone and the intersection in this second orientation zone; And to should the 3rd orientation one intersection in zone and the 4th orientation zone
Those openings are configured in the intersection of this first region territory, this second electrode region, this third electrode zone and the 4th electrode zone, and those openings are crossing distribution.
3. liquid crystal display structure comprises:
Liquid crystal layer;
First both alignment layers is positioned at this liquid crystal layer top, and this first both alignment layers comprises at least:
First orientation zone has first alignment direction; And
Second orientation zone has second alignment direction;
First electrode layer is positioned at this liquid crystal layer top;
Second both alignment layers is positioned at this liquid crystal layer below, and this second both alignment layers comprises at least:
The 3rd orientation zone has the 3rd alignment direction; And
The 4th orientation zone has the 4th alignment direction, and wherein this first alignment direction, this second alignment direction, the 3rd alignment direction are different with the 4th alignment direction; And
The second electrode lay is positioned at this liquid crystal layer below, and wherein one of them comprises a base material and most openings at least for this first electrode layer and this second electrode lay, and comprises at least:
The first region territory;
The second electrode region;
The third electrode zone; And
The 4th electrode zone, wherein
The intersection of this first region territory, this second electrode region, this third electrode zone and the 4th electrode zone is to should first orientation zone and the intersection in this second orientation zone; And to should the 3rd orientation one intersection in zone and the 4th orientation zone
The direction of those openings in this first region territory between this first alignment direction and the 3rd alignment direction,
The direction of those openings of this second electrode region between this second alignment direction and the 3rd alignment direction,
The direction of those openings in this third electrode zone between this first alignment direction and the 4th alignment direction,
The direction of those openings of the 4th electrode zone is between this second alignment direction and the 4th alignment direction.
4. liquid crystal display structure as claimed in claim 3, wherein this first region territory, this second electrode region, this third electrode zone are parallel to each other with those openings of the 4th electrode zone.
5. liquid crystal display structure as claimed in claim 3, wherein this first region territory, this second electrode region, this third electrode zone partly separate with the cross of the 4th electrode zone through this base material.
6. liquid crystal display structure as claimed in claim 5, the angle between wherein those openings and this hip cross divide is 45 degree.
7. liquid crystal display structure as claimed in claim 3, wherein those intersections of this first region territory, this second electrode region, this third electrode zone and the 4th electrode zone and the angle between those openings are 45 degree.
8. liquid crystal display structure as claimed in claim 3, wherein those openings distribute with a staggered central point of those intersections of the 4th electrode zone according to this first region territory, this second electrode region, this third electrode zone.
9. liquid crystal display structure as claimed in claim 3, those openings of those wherein different electrode zones are separated from each other.
10. liquid crystal display structure as claimed in claim 3, wherein those openings of at least two interconnect in this first region territory, this second electrode region, this third electrode zone and the 4th electrode zone.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102795081A CN102402078A (en) | 2010-09-13 | 2010-09-13 | Liquid crystal display structure |
| US13/084,799 US8537315B2 (en) | 2010-09-07 | 2011-04-12 | Liquid crystal display having alignment areas and electrode areas with particular boundaries and openings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102795081A CN102402078A (en) | 2010-09-13 | 2010-09-13 | Liquid crystal display structure |
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| CN102402078A true CN102402078A (en) | 2012-04-04 |
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| CN2010102795081A Pending CN102402078A (en) | 2010-09-07 | 2010-09-13 | Liquid crystal display structure |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014106305A1 (en) * | 2013-01-05 | 2014-07-10 | 钰瀚科技股份有限公司 | Liquid crystal display having electrode with strip-shaped notches |
| CN104267548A (en) * | 2014-07-18 | 2015-01-07 | 友达光电股份有限公司 | Pixel Structure Of Display Panel |
| CN104360554A (en) * | 2014-11-18 | 2015-02-18 | 深圳市华星光电技术有限公司 | Liquid crystal display panel and array substrate thereof |
| CN105204244A (en) * | 2015-10-19 | 2015-12-30 | 深圳市华星光电技术有限公司 | Pixel electrode structure |
| CN105988246A (en) * | 2015-03-03 | 2016-10-05 | 群创光电股份有限公司 | Display panel |
| WO2017166440A1 (en) * | 2016-03-30 | 2017-10-05 | 深圳市华星光电技术有限公司 | Liquid crystal display panel and display device |
| CN109683405A (en) * | 2019-02-12 | 2019-04-26 | 深圳市华星光电技术有限公司 | Display panel and display module |
| WO2020056911A1 (en) * | 2018-09-20 | 2020-03-26 | 重庆惠科金渝光电科技有限公司 | Pixel electrode and display panel |
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| US20070273818A1 (en) * | 1999-07-30 | 2007-11-29 | Hidefumi Yoshida | Alignment films in a liquid crystal display device and a method of manufacturing the same |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014106305A1 (en) * | 2013-01-05 | 2014-07-10 | 钰瀚科技股份有限公司 | Liquid crystal display having electrode with strip-shaped notches |
| CN104267548A (en) * | 2014-07-18 | 2015-01-07 | 友达光电股份有限公司 | Pixel Structure Of Display Panel |
| CN104267548B (en) * | 2014-07-18 | 2017-09-26 | 友达光电股份有限公司 | Pixel structure of display panel |
| CN104360554A (en) * | 2014-11-18 | 2015-02-18 | 深圳市华星光电技术有限公司 | Liquid crystal display panel and array substrate thereof |
| WO2016078080A1 (en) * | 2014-11-18 | 2016-05-26 | 深圳市华星光电技术有限公司 | Liquid crystal display panel and array substrate thereof |
| CN105988246B (en) * | 2015-03-03 | 2019-09-06 | 群创光电股份有限公司 | display panel |
| CN105988246A (en) * | 2015-03-03 | 2016-10-05 | 群创光电股份有限公司 | Display panel |
| CN105204244A (en) * | 2015-10-19 | 2015-12-30 | 深圳市华星光电技术有限公司 | Pixel electrode structure |
| CN105204244B (en) * | 2015-10-19 | 2018-08-14 | 深圳市华星光电技术有限公司 | Pixel electrode structure |
| WO2017166440A1 (en) * | 2016-03-30 | 2017-10-05 | 深圳市华星光电技术有限公司 | Liquid crystal display panel and display device |
| WO2020056911A1 (en) * | 2018-09-20 | 2020-03-26 | 重庆惠科金渝光电科技有限公司 | Pixel electrode and display panel |
| US11415842B2 (en) | 2018-09-20 | 2022-08-16 | Chongqing Hkc Optoelectronics Technology Co., Ltd. | Pixel electrode and display panel |
| CN109683405A (en) * | 2019-02-12 | 2019-04-26 | 深圳市华星光电技术有限公司 | Display panel and display module |
| US11506943B2 (en) | 2019-02-12 | 2022-11-22 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Display panel, display module, and display device |
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Application publication date: 20120404 |