CN1782826A - Liquid crystal display - Google Patents
Liquid crystal display Download PDFInfo
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- CN1782826A CN1782826A CN 200410077289 CN200410077289A CN1782826A CN 1782826 A CN1782826 A CN 1782826A CN 200410077289 CN200410077289 CN 200410077289 CN 200410077289 A CN200410077289 A CN 200410077289A CN 1782826 A CN1782826 A CN 1782826A
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- liquid crystal
- crystal indicator
- data line
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Abstract
The present invention provides a kind of liquid crystal display. The liquid crystal display includes one upper base plate, one lower base plate, one liquid crystal layer set between the upper base plate and the lower base plate, data lines and grid lines formed on the lower base plate, one deactivated layer to cover the data lines and the grid lines, and pixel electrodes set on the deactivated layer. Each two adjacent data lines and one grid line form one pixel region, and adjacent data line and pixel electrode superpose partially in the ends of the pixel region.
Description
[technical field]
The present invention relates to a kind of liquid crystal indicator, relate in particular to a kind of liquid crystal indicator of rehabilitating line defect fast.
[background technology]
Liquid crystal indicator is a kind of in the flat display apparatus, and it not only is used widely in the notebook field through in decades development, also occupies increasing share in monitor, TV and desktop PC field.
Liquid crystal indicator is divided into pixel region one by one by many transversely arranged gate lines and the data line of vertically arranging, each pixel region has a thin film transistor (TFT), by gate line control TFT switch the driving voltage in the data line is transferred to pixel electrode, reach the purpose that image shows with the deflection of control liquid crystal layer.Because a data line is controlled the signal voltage of a plurality of pixel regions of a longitudinal direction usually, therefore if breaking phenomena appears in this data line, the pixel electrode of a plurality of pixel regions of this longitudinal direction all can not obtain signal voltage, the line defect problem occurs, greatly influence the display quality of liquid crystal indicator.
Seeing also Fig. 1, is the floor map of a pixel region in a kind of liquid crystal indicator of being disclosed for No. 01139481.1 of disclosed China's Mainland patented claim on July 17 in 2002.Pixel region 10 in this liquid crystal indicator is by two transversely arranged adjacent gate lines 1 and two adjacent data line 2 mutual arranged in a crossed manner the forming of vertically arranging.This pixel region has thin film transistor (TFT) 3, and it is by gate line 1 gauge tap, and when its conducting, the signal voltage in the data line 2 transfers to pixel electrode 4.1 of another gate line at pixel electrode 4 and qualification pixel region 10 constitutes a memory capacitance 5, memory capacitance 5 data on file line 2 for a long time offers the signal voltage of pixel electrode 4, makes pixel electrode 4 still keep this signal voltage after thin film transistor (TFT) 3 cuts out.This pixel region 10 comprises that also one repairs conductive layer 6, this reparation conductive layer 6 is positioned at data line 2 times, and 2 of this reparation conductive layer 6 and data lines have an insulation course (figure does not show) to separate with data line 2 in order to will repair conductive layer 6, and this insulation course also will be repaired conductive layer 6 and separate with gate line 1.When data line 2 open defect occurs on position as shown in the figure, then only need to utilize laser action to melt the insulation course at this place at the A place, data line 2 is electrically connected with reparation conductive layer 6 at the A place, then the signal voltage in the data line 2 can be avoided off position, signal voltage is transferred on the pixel electrode 4, thereby this liquid crystal indicator can be repaired open defect fast.
But, because this liquid crystal indicator is to utilize reparation conductive layer 6 to repair when open defect appears in data line 2, this repairs length and data line 2 this pixel region 10 in the same length of conductive layer 6 in a pixel region 10, and when open defect occurring, the length that is used to repair only accounts for the sub-fraction of whole reparation conductive layer 6 length, thereby this liquid crystal indicator can cause the significant wastage of material and increase cost, and complex structure.And because these reparation conductive layer 6 length are longer, therefore, the probability that open defect self appears in this reparation conductive layer 6 is bigger, as defective occurs, then can't repair the open defect that data line 2 occurs.
[summary of the invention]
For overcoming liquid crystal indicator complex structure in the prior art, cost problem of higher, it is simpler to the invention provides a kind of structure, the liquid crystal indicator that cost is lower.
Corresponding above-mentioned purpose the invention provides a kind of liquid crystal indicator, and it comprises: a upper substrate and the infrabasal plate that is oppositely arranged with upper substrate; One liquid crystal layer, it is arranged between the upper and lower substrate; Many data line and the gate lines that are formed on the infrabasal plate, every adjacent two data lines and two gate lines form a pixel region; One passivation layer, it is covered on data line and the gate line; A plurality of pixel electrodes, it is arranged on the passivation layer; Wherein, adjacent data line and pixel electrode are overlapped in two ends of pixel region.
Compared to prior art, because data line of the present invention and pixel electrode overlap in two ends of pixel region, therefore, when open defect occurring, only need the passivation layer laser fusion between pixel region two end data lines and pixel electrode lap, make between data line and pixel electrode and conduct, then can avoid this open defect, make signal voltage utilize pixel electrode to transfer in the data line of next pixel region, and do not need the default conductive layer of repairing, but thereby conservation, reduce cost, and this kind liquid crystal indicator structure is also fairly simple, and processing procedure is more simple.
[description of drawings]
Fig. 1 is the floor map of a pixel region in the prior art liquid crystal indicator.
Fig. 2 is the floor map of a pixel region of liquid crystal indicator first embodiment of the present invention.
Fig. 3 is liquid crystal indicator one a pixel region shown in Figure 2 diagrammatic cross-section along the III-III place.
Fig. 4 is the floor map of a pixel region of liquid crystal indicator second embodiment of the present invention.
[embodiment]
See also Fig. 2, be a pixel region floor map of liquid crystal indicator first embodiment of the present invention.One pixel region 100 of this liquid crystal indicator is the zone that the data line 120 by two adjacent transversely arranged gate lines 110 and two adjacent vertical arrangements is surrounded.This pixel region 100 also has a thin film transistor (TFT) 130, wherein the grid of this thin film transistor (TFT) 130 (not indicating) is electrically connected with gate line 110, switch by the driving voltage control TFT in the gate line 110, the source electrode of this thin film transistor (TFT) 130 (not indicating) is electrically connected with data line 120, and drain electrode (not indicating) is electrically connected with pixel electrode 140.When thin film transistor (TFT) 130 conductings, the signal voltage in the data line 120 transfers on the pixel electrode 140 by thin film transistor (TFT) 130, and the liquid crystal deflecting element with liquid crystal layer in the control liquid crystal indicator reaches the purpose that image shows.This data line 120 has two bossings 121 and 122 in two ends of this pixel region 100, this two bossing 121 and 122 and pixel electrode 140 overlaids.
See also Fig. 3, be the diagrammatic cross-section of liquid crystal indicator shown in Figure 2 one pixel region along the III-III place.This pixel region 100 is covering gate polar curve 110, insulation course 102, data line 120, passivation layer 103, pixel electrode 140 and both alignment layers 104 successively on infrabasal plate 101, and wherein, passivation layer 103 adopts insulating material, as silicon dioxide (SiO
2) or silicon nitride materials such as (SiNx), data line 120 and pixel electrode 140 are separated, this data line 120 has a lap 121 with pixel electrode 140, and this lap 121 is the bossing 121 of data line 120 in pixel region 100 ends.
When as shown in Figure 2 open defect appears in data line, only need to utilize the bossing 121 and 122 and the passivation layer 103 of 140 of pixel electrodes of laser fusion data line 120, this data line 120 is electrically connected with pixel electrode 140, then the signal voltage in the data line 120 can be avoided the open defect place, by this pixel electrode 140 signal voltage is transferred in the data line in the next pixel region, then since the line defect that this open defect causes can obtain repairing.Because this restorative procedure only need set in advance two at data line 120 and get final product with the overlapping bossing 121 and 122 of pixel electrode at the edge termination place of this pixel region 100, thereby, can save material, reduce cost, this liquid crystal indicator structure is also comparatively simple, and processing procedure is convenient.And because this restorative procedure utilizes the reparation of opening circuit of the bossing 121 and 122 of data line 120, this bossing 121 and 122 length are extremely short, and are minimum in the probability of bossing 121 and 122 places generation open defect, thereby, can not consider to take place herein open defect, the reparation quality is higher.
See also Fig. 4, be a pixel region floor map of liquid crystal indicator second embodiment of the present invention.One pixel region 200 of this liquid crystal indicator also is the zone that the data line 220 by two adjacent transversely arranged gate lines 210 and two adjacent vertical arrangements is surrounded.This pixel region 200 has a thin film transistor (TFT) 230, and the grid by thin film transistor (TFT) 230 (indicating) is connected with gate line 210, and source electrode (indicating) is connected with data line 220, and drain (sign) is connected with pixel electrode 240.Wherein, this pixel electrode 240 has two bossings 241 and 242 in two ends of pixel region 200, this two bossing 241 and 242 and data line 220 overlapping.220 of this pixel electrode 240 and data lines have a passivation insulation (figure does not show), when as shown in Figure 4 open defect appears in data line 220, only need the bossing 241 of pixel electrode 240 and 242 and the passivation insulation laser fusion of 220 of data lines, make bossing 241 and 242 and data line 220 conduct, then can avoid this open defect, reach the purpose of rehabilitating line defect.Equally, this restorative procedure also economizes in raw materials, and reduce cost, and this liquid crystal indicator is simple in structure, and processing procedure is convenient, and the probability that open defect appears in its structure division that is used to repair open defect is less.
Claims (9)
1. liquid crystal indicator, it comprises: a upper substrate and the infrabasal plate that is oppositely arranged with upper substrate; One liquid crystal layer, it is arranged between the upper and lower substrate; Many data line and the gate lines that are formed on the infrabasal plate, every adjacent two data lines and gate line form a pixel region; One passivation layer, it is covered on data line and the gate line; A plurality of pixel electrodes, it is arranged on the passivation layer; It is characterized in that: adjacent data line and pixel electrode are overlapped in two ends of pixel region.
2. liquid crystal indicator as claimed in claim 1 is characterized in that: data line has two bossings in two ends of pixel region, this two bossing and pixel electrode overlaid.
3. liquid crystal indicator as claimed in claim 2 is characterized in that: this liquid crystal indicator also comprises a plurality of thin film transistor (TFT)s, and the grid of this thin film transistor (TFT) is connected with gate line, and source electrode is connected with data line, and drain electrode is connected with pixel electrode.
4. liquid crystal indicator as claimed in claim 3 is characterized in that: this passivation layer adopts electrically insulating material.
5. liquid crystal indicator as claimed in claim 4 is characterized in that: this passivation layer adopts earth silicon material or silicon nitride material.
6. liquid crystal indicator as claimed in claim 1 is characterized in that: pixel electrode has two bossings in two ends of pixel region, this two bossing and data line overlaid.
7. liquid crystal indicator as claimed in claim 6 is characterized in that: this liquid crystal indicator also comprises a plurality of thin film transistor (TFT)s, and the grid of this thin film transistor (TFT) is connected with gate line, and source electrode is connected with data line, and drain electrode is connected with pixel electrode.
8. liquid crystal indicator as claimed in claim 7 is characterized in that: this passivation layer adopts electrically insulating material.
9. liquid crystal indicator as claimed in claim 8 is characterized in that: this passivation layer adopts earth silicon material or silicon nitride material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410077289 CN1782826A (en) | 2004-12-02 | 2004-12-02 | Liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410077289 CN1782826A (en) | 2004-12-02 | 2004-12-02 | Liquid crystal display |
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| Publication Number | Publication Date |
|---|---|
| CN1782826A true CN1782826A (en) | 2006-06-07 |
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| CN 200410077289 Pending CN1782826A (en) | 2004-12-02 | 2004-12-02 | Liquid crystal display |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102629050A (en) * | 2011-08-02 | 2012-08-08 | 京东方科技集团股份有限公司 | Pixel structure, liquid crystal display panel and method of repairing broken lines of liquid crystal display panel |
| CN102053430B (en) * | 2009-11-03 | 2012-10-17 | 上海天马微电子有限公司 | Liquid crystal display device having a plurality of pixel electrodes |
| CN104570415A (en) * | 2014-12-05 | 2015-04-29 | 合肥鑫晟光电科技有限公司 | Metal wire repairing method and metal wire repairing equipment |
-
2004
- 2004-12-02 CN CN 200410077289 patent/CN1782826A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102053430B (en) * | 2009-11-03 | 2012-10-17 | 上海天马微电子有限公司 | Liquid crystal display device having a plurality of pixel electrodes |
| CN102629050A (en) * | 2011-08-02 | 2012-08-08 | 京东方科技集团股份有限公司 | Pixel structure, liquid crystal display panel and method of repairing broken lines of liquid crystal display panel |
| WO2013017087A1 (en) * | 2011-08-02 | 2013-02-07 | 京东方科技集团股份有限公司 | Array substrate, liquid crystal display panel and method of repairing broken lines of liquid crystal display panel |
| CN102629050B (en) * | 2011-08-02 | 2014-06-11 | 京东方科技集团股份有限公司 | Pixel structure, liquid crystal display panel and method of repairing broken lines of liquid crystal display panel |
| US10068813B2 (en) | 2011-08-02 | 2018-09-04 | Boe Technology Group Co., Ltd. | Array substrate, liquid crystal display panel and broken-line repairing method thereof |
| CN104570415A (en) * | 2014-12-05 | 2015-04-29 | 合肥鑫晟光电科技有限公司 | Metal wire repairing method and metal wire repairing equipment |
| CN104570415B (en) * | 2014-12-05 | 2017-07-18 | 合肥鑫晟光电科技有限公司 | The restorative procedure and prosthetic appliance of metal wire |
| US9772533B2 (en) | 2014-12-05 | 2017-09-26 | Boe Technology Group Co., Ltd. | Method and device for repairing metal wire |
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