CN203054408U - Array substrate and display device - Google Patents
Array substrate and display device Download PDFInfo
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- CN203054408U CN203054408U CN 201220633498 CN201220633498U CN203054408U CN 203054408 U CN203054408 U CN 203054408U CN 201220633498 CN201220633498 CN 201220633498 CN 201220633498 U CN201220633498 U CN 201220633498U CN 203054408 U CN203054408 U CN 203054408U
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- array base
- base palte
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- common electrode
- pixel
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Abstract
The utility model discloses an array substrate, which comprises a display area, a non-display area with a plurality of dummy pixels, a common electrode signal line electrically connected with a common electrode of the dummy pixels, and a pixel signal unit providing potential signals for pixel electrodes of the dummy pixels. In addition, the utility model provides a display device comprising the array substrate. In the dummy pixels of the non-display area of the array substrate, potentials of the pixel electrodes are controlled and stabilized by the pixel signal unit to stabilize an electric field formed between the pixel electrodes and the common electrode, realize control over the steering of liquid crystal molecules in a liquid crystal layer and reduce light emitted from the non-display area to the display area, so that the light leakage phenomenon of the edge of the non-display area is reduced, and the display quality of the liquid crystal display device is improved.
Description
Technical field
The utility model relates to the display technique field, particularly a kind of array base palte and display device.
Background technology
As depicted in figs. 1 and 2, the display panel of liquid crystal indicator comprises array base palte 01, color membrane substrates 02 and be located in liquid crystal layer therebetween 05.In the viewing area 03 of display panel, can modulate the light from module backlight by the deflection of control liquid crystal, realize its Presentation Function; The non-display area of display panel can the black matrix 04 by being positioned at color membrane substrates 02 side realizes that the edge of black matrix 04 generally aligns with viewing area 03 to the blocking of peripheral incident light.In the design of array base palte, various device is relatively poor in the homogeneity of its action initiating terminal and action terminal, and it is better in the homogeneity of its action interlude, in order to guarantee the homogeneity of the technology of each pixel cell in the viewing area 03, need in the white space near the non-display area 06 of viewing area 03, auxiliary pixel unit (Dummy Piexl) district be set usually.
As shown in Figures 2 and 3, the design of auxiliary pixel unit basic with viewing area 03 in the pixel cell structure basically identical, do not give unnecessary details at this, but the TFT device in the common auxiliary pixel cellular zone can be removed.In the prior art, in the design of array base palte, the current potential of pixel electrode 011 is not controlled in the auxiliary pixel unit, pixel electrode 011 the periphery some electrode structures (as grid 07, data lines 08 etc.) influence down, potential change impermanence in the pixel electrode 011, cause the electric field disorder of formation between pixel electrode 011 and the public electrode 010, can't control the sense of rotation of liquid crystal molecule in the auxiliary pixel cellular zone liquid crystal layer 05, behind the liquid crystal layer 05 of the light of injecting through the auxiliary pixel cellular zone, the direction of propagation of light is disorderly and unsystematic, wherein part light may enter viewing area 03, influence is in the demonstration of the pixel cell at 03 edge, viewing area, thereby cause the edge light leak, influence the display quality of liquid crystal indicator.
The utility model content
The utility model provides a kind of array base palte, and in the non-display area of this array base palte, the current potential of the pixel electrode in the auxiliary pixel unit is controlled, improves the display quality of liquid crystal indicator.
The utility model also provides a kind of liquid crystal indicator with above-mentioned array base palte, and the display quality of this liquid crystal indicator is higher.
For achieving the above object, the utility model provides following technical scheme:
A kind of array base palte comprises viewing area and the non-display area with a plurality of auxiliary pixels unit (dummy piexl), also comprises:
The common electrode signal line that electrically connects with the public electrode of auxiliary pixel unit;
The picture element signal unit of electric potential signal is provided for the pixel electrode of auxiliary pixel unit.
Preferably, described picture element signal unit is thin film transistor switch, and the pixel electrode of the drain electrode of described thin film transistor switch and auxiliary pixel unit electrically connects, and source electrode and data line electrically connect.
Preferably, described data line equates with described common electrode signal line current potential.
Preferably, described data line and described common electrode signal line electrically connect.
Preferably, described picture element signal unit comprises:
The extended connecting portion of described pixel electrode, described connecting portion and grid electrically connect.
Preferably, described grid is identical with the current potential of described common electrode signal line.
Preferably, described grid and described common electrode signal line electrically connect.
Preferably, described grid and described common electrode signal line arrange with layer.
Preferably, described public electrode and described pixel electrode are arranged at array base palte, described picture element signal unit is the via hole that is arranged between the metal level of the metal level of public electrode and pixel electrode, and be filled in joint pin in the described via hole, one end of described joint pin and the metal level of public electrode electrically connect, and the metal level of the other end and pixel electrode electrically connects.
The utility model also provides a kind of display device, and any array base palte that provides in the technique scheme is provided.
The array base palte that the utility model provides comprises viewing area and the non-display area with a plurality of auxiliary pixels unit (dummy piexl), also comprises:
The common electrode signal line that electrically connects with the public electrode of auxiliary pixel unit;
The picture element signal unit of electric potential signal is provided for the pixel electrode of auxiliary pixel unit.
The above-mentioned array base palte that the utility model provides, in the auxiliary pixel unit in its non-display area, can control the current potential of pixel electrode by the picture element signal unit, make the current potential on the pixel electrode stable, and then make the electric field that forms between pixel electrode and the public electrode stable, the control that realization turns to liquid crystal molecule in the liquid crystal layer, control light turning in liquid crystal layer, reduce the light of non-display area directive viewing area, thereby reduce the light leakage phenomena at non-display area edge, improve the display quality of liquid crystal indicator.
In addition, the utility model provides a kind of display device, comprises the array base palte in the technique scheme.This display device has higher display quality.
Description of drawings
Fig. 1 is the front schematic view of array base palte in the prior art;
Fig. 2 is that the A-A of array base palte shown in Fig. 1 is to structural representation;
Fig. 3 is the structural representation of auxiliary pixel unit in the array base palte of the prior art;
The front schematic view of the array base palte that Fig. 4 provides for the utility model;
A kind of structural representation of auxiliary pixel unit in the array base palte that Fig. 5 provides for the utility model.
Main element symbol description among the figure:
01, array base palte; 02, color membrane substrates; 03,3, the viewing area; 04, black matrix; 05, liquid crystal layer; 06,6, non-display area; 61, the auxiliary pixel unit; 07,7, grid; 08,8, data line; 010,10, public electrode; 011,11, pixel electrode; 111, connecting portion; 12, the common electrode signal line.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
The array base palte that the technical solution of the utility model one provides comprises viewing area and the non-display area with a plurality of auxiliary pixels unit (dummy piexl), also comprises:
The common electrode signal line that electrically connects with the public electrode of auxiliary pixel unit;
The picture element signal unit of electric potential signal is provided for the pixel electrode of auxiliary pixel unit.
Specifically in procedure for displaying, in the auxiliary pixel unit in the non-display area of above-mentioned array base palte, can control the current potential of pixel electrode by the picture element signal unit, make the current potential on the pixel electrode stable, and then make the electric field that forms between pixel electrode and the public electrode stable, the control that realization turns to liquid crystal molecule in the liquid crystal layer, control light turning in liquid crystal layer, reduce the light of non-display area directive viewing area, thereby reduce the light leakage phenomena at non-display area edge, improve the display quality of liquid crystal indicator.
As the technical solution of the utility model two, on the basis of technical scheme one, the technical program provides a kind of concrete implementation of above-mentioned picture element signal unit, preferably, above-mentioned picture element signal unit is thin film transistor switch, the pixel electrode of the drain electrode of described thin film transistor switch and auxiliary pixel unit electrically connects, and source electrode and data line electrically connect.Grid feeds after the high level, and thin film transistor switch is opened, and source electrode and drain electrode are communicated with, and then can control the current potential of pixel electrode by data line.
As the technical solution of the utility model three, on the basis of technical scheme two, be in long black state for making above-mentioned array base palte non-display area, preferably, described data line equates with described common electrode signal line current potential.
As the technical solution of the utility model four, the described data line of mentioning in the technical scheme three equates with described common electrode signal line current potential and can realize that by the structure that this programme provides particularly, described data line and described common electrode signal line electrically connect.Data line and common electrode signal line electrically connect, and then the current potential on the data line is identical with the current potential of common electrode signal line.
As the technical solution of the utility model five, the technical program provides the another kind of concrete implementation of above-mentioned picture element signal unit, and is concrete, and described picture element signal unit comprises:
The extended connecting portion of described pixel electrode, described connecting portion and grid electrically connect.
Pixel electrode and grid electrically connect, and then can control the current potential of pixel electrode by grid.
As the technical solution of the utility model six, on the basis of technical scheme five, be in long black state for making above-mentioned array base palte non-display area, preferably, described grid is identical with the current potential of described common electrode signal line.
As the technical solution of the utility model seven, the described grid of mentioning in the technical scheme six equates with described common electrode signal line current potential and can realize that by the structure that this programme provides particularly, described grid and described common electrode signal line electrically connect.
As the technical solution of the utility model eight, on the basis of technical scheme seven, for ease of the preparation of array base palte, preferably, described grid and described common electrode signal line arrange with layer.
As the technical solution of the utility model nine, the technical program provides the another kind of concrete implementation of above-mentioned picture element signal unit, concrete, described public electrode and described pixel electrode are arranged at array base palte, described picture element signal unit is the via hole that is arranged between the metal level of the metal level of public electrode and pixel electrode, and be filled in joint pin in the described via hole, one end of described joint pin and the metal level of public electrode electrically connect, and the metal level of the other end and pixel electrode electrically connects.
As the technical solution of the utility model ten, the technical program provides a kind of display device, comprises any array base palte that technical scheme one to technical scheme nine provides.
Above-mentionedly only provide several optimal technical scheme of the present utility model, below in conjunction with some preferred implementations technique scheme has been specifically described, so that those skilled in the art are to the understanding of technique scheme.
Embodiment one
As shown in Figure 4, the array base palte that present embodiment provides comprises viewing area 3 and the non-display area 6 with a plurality of auxiliary pixels unit 61, also comprises:
The common electrode signal line 12 that electrically connects with the public electrode of auxiliary pixel unit 61;
The picture element signal unit of electric potential signal is provided for the pixel electrode of auxiliary pixel unit 61.
Wherein, the public electrode 10 of auxiliary pixel unit 61 as shown in Figure 5, the pixel electrode 11 of auxiliary pixel unit 61 is as shown in Figure 5.
Specifically in procedure for displaying, in the auxiliary pixel unit 61 in the non-display area 6 of above-mentioned array base palte, can control the current potential of pixel electrode 11 by the picture element signal unit, make the current potential on the pixel electrode 11 stable, and then make the electric field that forms between pixel electrode 11 and the public electrode 10 stable, the control that realization turns to liquid crystal molecule in the liquid crystal layer, control light turning in liquid crystal layer, reduce the light of non-display area 6 directive viewing areas 3, thereby reduce the light leakage phenomena at non-display area 6 edges, improve the display quality of liquid crystal indicator.
Preferred implementation one, on the basis of such scheme one, the technical program provides a kind of concrete implementation of above-mentioned picture element signal unit, preferably, above-mentioned picture element signal unit can be thin film transistor switch, the pixel electrode 11 of the drain electrode of thin film transistor switch and auxiliary pixel unit 61 electrically connects, and source electrode and data line 8 electrically connect.Grid 7 feeds after the high level, and thin film transistor switch is opened, and source electrode and drain electrode are communicated with, and data line 8 and pixel electrode 11 is electrically connected, by the current potential of data line 8 control pixel electrodes 11; Common electrode signal line 12 control public electrodes 10 current potentials, the current potential of data line 8 control pixel electrodes 11, thereby can control the electric field that produces between public electrode 10 and the pixel electrode 11, turning to of liquid crystal molecule in auxiliary pixel unit 61 liquid crystal layers controlled, reduced the light of non-display area 6 directive viewing areas 3.
On the basis of preferred implementation one, preferably, for the light that reduces to greatest extent in the non-display area 6 is injected in the viewing area 3, the influence that the demonstration of viewing area 3 is caused, can make the non-display area 6 interior auxiliary pixel unit 61 of array base palte be in long black state, preferably, above-mentioned data line 8 is equated with the current potential of above-mentioned common electrode signal line 12.The current potential of data line 8 and common electrode signal line 12 equates, then pixel electrode 11 is identical at the energising afterpotential with public electrode 10, liquid crystal molecule is pressed inceptive direction and is arranged, do not rotate, can not pass through polaroid down even the light in the non-display area 6 is injected in the viewing area 3, reduce the demonstration of viewing area 3 is impacted.
Concrete, above-mentioned data line 8 equates with above-mentioned common electrode signal line 12 current potentials and can realize by following structure: as shown in Figure 4, above-mentioned data line 8 electrically connects with above-mentioned common electrode signal line 12.Data line 8 electrically connects with common electrode signal line 12, and then the current potential on the data line 8 is identical with the current potential of common electrode signal line 12.
Preferred implementation two, preferred implementation provide the another kind of concrete implementation of above-mentioned picture element signal unit, and be concrete, and as shown in Figure 5, above-mentioned picture element signal unit comprises:
Pixel electrode 11 extended connecting portions 111, connecting portion 111 electrically connects with grid 7.
Current potential by grid 7 control pixel electrodes 11, also can make the electric field that forms between pixel electrode 11 and the public electrode 10 stable, the control that realization turns to liquid crystal molecule in the liquid crystal layer, control light turning in liquid crystal layer, reduce the light of non-display area 6 directive viewing areas 3, thereby reduce the light leakage phenomena at non-display area 6 edges, improve the display quality of liquid crystal indicator.
In like manner, for the light that reduces to greatest extent in the non-display area 6 is injected in the viewing area 3, the influence that the demonstration of viewing area 3 is caused, can make the non-display area 6 interior auxiliary pixel unit 61 of array base palte be in long black state, preferably, grid 7 is identical with the current potential of common electrode signal line 12.
Particularly, grid 7 equates and can realize by following proposal with current potential between the common electrode signal 12: grid 7 electrically connects with common electrode signal line 12.
Preferably, for ease of the preparation of array base palte, above-mentioned grid 7 arranges with layer with common electrode signal line 12.
The array base palte that provides in above-described embodiment one and the preferred implementation thereof can be H-ADS pattern, ADS pattern and TN pattern.The ADS pattern is the wide visual angle of plane electric fields core technology, its core technology characteristic description is: the electric field that the electric field that produces by gap electrode edge in the same plane and gap electrode layer and plate electrode interlayer produce forms multi-dimensional electric field, make in the liquid crystal cell between gap electrode, all aligned liquid-crystal molecules can both produce rotation directly over the electrode, thereby improved the liquid crystal work efficiency and increased light transmission efficiency.The switching technique of ADS pattern can improve the picture quality of TFT-LCD product, has high resolving power, high permeability, low-power consumption, wide visual angle, high aperture, low aberration, no water of compaction ripple advantages such as (push Mura).At different application, the improvement technology of ADS technology has high permeability I-ADS technology, high aperture H-ADS and high resolving power S-ADS technology etc.
Embodiment two
Present embodiment provides the another kind of concrete implementation of above-mentioned picture element signal unit, concrete, public electrode 10 is arranged at array base palte with pixel electrode 11, the picture element signal unit is the via hole that is arranged between the metal level of the metal level of public electrode 10 and pixel electrode 11, and be filled in joint pin in the via hole, one end of joint pin and the metal level of public electrode 10 electrically connect, and the metal level of the other end and pixel electrode 11 electrically connects.That is, directly pixel electrode 11 and public electrode 10 are electrically connected by via hole, can guarantee the stable of pixel electrode 11 current potentials, make between pixel electrode 11 and the public electrode current potential identical simultaneously, guarantee the black state of length of non-display area 6.
The above-mentioned joint pin of mentioning can be gone into transparent ITO material in the via hole for direct sputter when forming pixel electrode 11, also can be the conductive metallic material of filling separately, as copper, aluminium, molybdenum with and conducting metal oxide and alloy etc.
The array base palte that present embodiment provides goes for H-ADS pattern and ADS pattern.
Embodiment three
Present embodiment provides a kind of display device, comprises any array base palte that embodiment one and preferred implementation thereof, embodiment two provide.The display quality of this display device is higher.This display device can be display device such as LCD, LCD TV, digital album (digital photo frame), mobile phone, PAD.
Obviously, those skilled in the art can carry out various changes and modification to the utility model embodiment and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.
Claims (10)
1. an array base palte comprises viewing area and the non-display area with a plurality of auxiliary pixels unit (Dummy Piexl), it is characterized in that, also comprises:
The common electrode signal line that electrically connects with the public electrode of auxiliary pixel unit;
The picture element signal unit of electric potential signal is provided for the pixel electrode of auxiliary pixel unit.
2. array base palte according to claim 1 is characterized in that, described picture element signal unit is thin film transistor switch, and the pixel electrode of the drain electrode of described thin film transistor switch and auxiliary pixel unit electrically connects, and source electrode and data line electrically connect.
3. array base palte according to claim 2 is characterized in that, described data line equates with described common electrode signal line current potential.
4. array base palte according to claim 3 is characterized in that, described data line and described common electrode signal line electrically connect.
5. array base palte according to claim 1 is characterized in that, described picture element signal unit comprises:
The extended connecting portion of described pixel electrode, described connecting portion and grid electrically connect.
6. array base palte according to claim 5 is characterized in that, described grid is identical with the current potential of described common electrode signal line.
7. array base palte according to claim 6 is characterized in that, described grid and described common electrode signal line electrically connect.
8. array base palte according to claim 7 is characterized in that, described grid and described common electrode signal line arrange with layer.
9. array base palte according to claim 1, it is characterized in that, described public electrode and described pixel electrode are arranged at array base palte, described picture element signal unit is the via hole that is arranged between the metal level of the metal level of public electrode and pixel electrode, and be filled in joint pin in the described via hole, one end of described joint pin and the metal level of public electrode electrically connect, and the metal level of the other end and pixel electrode electrically connects.
10. a display device is characterized in that, comprises as each described array base palte of claim 1～9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220633498 CN203054408U (en) | 2012-11-26 | 2012-11-26 | Array substrate and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220633498 CN203054408U (en) | 2012-11-26 | 2012-11-26 | Array substrate and display device |
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| Publication Number | Publication Date |
|---|---|
| CN203054408U true CN203054408U (en) | 2013-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220633498 Expired - Fee Related CN203054408U (en) | 2012-11-26 | 2012-11-26 | Array substrate and display device |
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| CN (1) | CN203054408U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103018985A (en) * | 2012-11-26 | 2013-04-03 | 京东方科技集团股份有限公司 | Array substrate and display device |
| US20160377935A1 (en) * | 2015-06-29 | 2016-12-29 | Samsung Display Co., Ltd. | Liquid crystal display device |
-
2012
- 2012-11-26 CN CN 201220633498 patent/CN203054408U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103018985A (en) * | 2012-11-26 | 2013-04-03 | 京东方科技集团股份有限公司 | Array substrate and display device |
| CN103018985B (en) * | 2012-11-26 | 2016-01-13 | 京东方科技集团股份有限公司 | A kind of array base palte and display device |
| US20160377935A1 (en) * | 2015-06-29 | 2016-12-29 | Samsung Display Co., Ltd. | Liquid crystal display device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20211126 |