CN101852956A - Pixel driving circuit structure with repair line - Google Patents
Pixel driving circuit structure with repair line Download PDFInfo
- Publication number
- CN101852956A CN101852956A CN 201010173557 CN201010173557A CN101852956A CN 101852956 A CN101852956 A CN 101852956A CN 201010173557 CN201010173557 CN 201010173557 CN 201010173557 A CN201010173557 A CN 201010173557A CN 101852956 A CN101852956 A CN 101852956A
- Authority
- CN
- China
- Prior art keywords
- data line
- line
- film transistor
- grid
- patch cord
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention provides a pixel driving circuit structure with repair line, which is suitable for a liquid crystal display panel and which comprises a first grid line, a second grid line, a first data line, a second data line, a first thin-film transistor, a second thin-film transistor, a third thin-film transistor, a fourth thin-film transistor and a repair line. The repair line comprises a vertical line segment, a first horizontal line segment and a second horizontal line segment. The vertical line segment is positioned between the first data line and the second data line; the first horizontal line segment is positioned at a first end of the vertical line segment and a first end of the first horizontal line segment extends to the first data line; and the second horizontal line segment is positioned at a second end of the vertical line segment and a first end of the second horizontal line segment extends to the first data line.
Description
[technical field]
The present invention relates to pixel driving circuit structure, particularly relevant for a kind of pixel driving circuit structure of tool patch cord.
[background technology]
At present, popularizing along with electronic product; Many people all tax one's ingenuity in the manufacturing cost that reduces liquid crystal panel.Wherein, the bigrid design of pixel driving circuit because of can reducing the quantity of chip for driving, and is quite shown appreciation for somebody.Relevant technology is shown in United States Patent (USP) 20080079678; It should be noted that the bigrid design also can reduce the required arrangement space of data line.
Please refer to accompanying drawing 1, it is the structural representation of the pixel driving circuit structure of prior art.Explain for convenient, essential regions structure with accompanying drawing 1 is an example, and pixel driving circuit structure 10 comprises a first grid polar curve 11, a second grid line 12, one first data line 13, one second data line 14, a first film transistor 15, one second thin film transistor (TFT) 16, one the 3rd thin film transistor (TFT) 17 and one the 4th thin film transistor (TFT) 18.Wherein, second grid line 12 is positioned at first grid polar curve 11 belows, and is parallel to first grid polar curve 11.First data line 13 is perpendicular to first grid polar curve 11 and second grid line 12, and second data line 14 is positioned at first data line, 13 right sides, and is parallel to first data line 13.The first film transistor 15 is positioned at the left side of first data line 13, and the control end of the first film transistor 15 is to be electrically connected at second grid line 12, and the input end of the first film transistor 15 then is electrically connected at first data line 13.Second thin film transistor (TFT) 16 is positioned at the right side of first data line 13, and the control end of second thin film transistor (TFT) 16 is that the input end that is electrically connected at first grid polar curve 11, the second thin film transistor (TFT)s 16 then is electrically connected at first data line 13.The 3rd thin film transistor (TFT) 17 is positioned at the left side of second data line 14, and the control end of the 3rd thin film transistor (TFT) 17 is that the input end that is electrically connected at second grid line 12, the three thin film transistor (TFT)s 17 then is electrically connected at second data line 14.The 4th thin film transistor (TFT) 18 is positioned at the right side of second data line 14, and the control end of the 4th thin film transistor (TFT) 18 is that the input end that is electrically connected at first grid polar curve 11, the four thin film transistor (TFT)s 18 then is electrically connected at second data line 14.
From the above, can know that the bigrid design has reduced the required arrangement space of half data line than the layout type of prior art by accompanying drawing 1.In other words, the space that a data line occurred being enough to hold between first data line 13 and second data line 14.In addition, the double-gate film transistor is because of having preferable driving force, ON/OFF current ratio characteristic and frequency response ability, and show up prominently on the pixel driving circuit of flat-panel screens gradually, and the personnel that are developed are attempting integrating with above-mentioned bigrid design.
[summary of the invention]
Because the problem of above-mentioned prior art, the present invention's purpose is exactly at the pixel driving circuit structure that a kind of tool patch cord is provided, to make full use of the blank arrangement space that the bigrid design is derived.
The pixel driving circuit structure of tool patch cord according to the present invention, be applicable to a display panels, the pixel driving circuit structure of described tool patch cord comprises a first grid polar curve, a second grid line, one first data line, one second data line, a first film transistor, one second thin film transistor (TFT), one the 3rd thin film transistor (TFT), one the 4th thin film transistor (TFT) and a patch cord.Patch cord comprises a vertical line segment, one first horizontal line section and one second horizontal line section.The perpendicular line section is positioned between first data line and second data line; First horizontal line section is positioned at first end of vertical line segment, and first end of first horizontal line section is to extend on first data line; Second horizontal line section is positioned at second end of vertical line segment, and first end of second horizontal line section is to extend on first data line.By this, the present invention can be when the first data line generation defective, first end of conducting first data line and first horizontal line section, and first end of conducting first data line and second horizontal line section, and then utilize patch cord to replace first data line.
In addition, second end of first horizontal line section more may extend on second data line, and second end of second horizontal line section also may extend on second data line.By this, when first grid polar curve or second grid line generation defective, can see through suitable open circuit Hotfix and short circuit Hotfix, replace defective gate line with patch cord.
From the above, according to the pixel driving circuit structure of the present invention's tool patch cord, it can make full use of the blank arrangement space that the bigrid design derived and settle patch cord.See through suitable open circuit Hotfix and short circuit Hotfix then, replace defective data line or gate line with patch cord.
[description of drawings]
Accompanying drawing 1 is the structural representation of the pixel driving circuit structure of prior art;
Accompanying drawing 2 is the structural representation of the pixel driving circuit structure of the present invention's tool patch cord;
Accompanying drawing 3 is the structural representation of pixel driving circuit structure of the tool patch cord of one embodiment of the invention;
Accompanying drawing 4 is the structural representation of pixel driving circuit structure of the tool patch cord of another embodiment of the present invention;
Accompanying drawing 5 is the structural representation of pixel driving circuit structure of the tool patch cord of further embodiment of this invention; And
Accompanying drawing 6 is the structural representation of pixel driving circuit structure of the tool patch cord of yet another embodiment of the invention.
[embodiment]
See also accompanying drawing 2, be the structural representation of the pixel driving circuit structure of the present invention's tool patch cord.The pixel driving circuit structure 20 of tool patch cord comprises a first grid polar curve 11, a second grid line 12, one first data line 13, one second data line 14, a first film transistor 15, one second thin film transistor (TFT) 16, one the 3rd thin film transistor (TFT) 17, one the 4th thin film transistor (TFT) 18 and a patch cord 21 among the figure.Wherein, second grid line 12 is positioned at first grid polar curve 11 belows, and is parallel to first grid polar curve 11.First data line 13 is perpendicular to first grid polar curve 11 and second grid line 12, and second data line 14 is positioned at first data line, 13 right sides, and is parallel to first data line 13.The first film transistor 15 is positioned at the left side of first data line 13, and the control end of the first film transistor 15 is to be electrically connected at second grid line 12, and the input end of the first film transistor 15 then is electrically connected at first data line 13.Second thin film transistor (TFT) 16 is positioned at the right side of first data line 13, and the control end of second thin film transistor (TFT) 16 is that the input end that is electrically connected at first grid polar curve 11, the second thin film transistor (TFT)s 16 then is electrically connected at first data line 13.The 3rd thin film transistor (TFT) 17 is positioned at the left side of second data line 14, and the control end of the 3rd thin film transistor (TFT) 17 is that the input end that is electrically connected at second grid line 12, the three thin film transistor (TFT)s 17 then is electrically connected at second data line 14.The 4th thin film transistor (TFT) 18 is positioned at the right side of second data line 14, and the control end of the 4th thin film transistor (TFT) 18 is that the input end that is electrically connected at first grid polar curve 11, the four thin film transistor (TFT)s 18 then is electrically connected at second data line 14.
In addition, patch cord 21 comprises a vertical line segment 22, one first horizontal line section 23 and one second horizontal line section 24.Vertical line segment 22 is between first data line 13 and second data line 14, that is the bigrid design blank arrangement space of being derived, and perpendicular to first grid polar curve 11 and second grid line 12.First horizontal line section 23 is positioned at first end of vertical line segment 22, and is parallel to first grid polar curve 11 and second grid line 12; The most important thing is that first end 231 of first horizontal line section need extend on first data line 13, in order to utilize the short circuit Hotfix to come conducting first data line 13 and first horizontal line section 23 in the future.Second horizontal line section 24 is positioned at second end of vertical line segment 22, and is parallel to first grid polar curve 11 and second grid line 12; The most important thing is that first end 241 of second horizontal line section need extend on first data line 13, in order to utilize the short circuit Hotfix to come conducting first data line 13 and second horizontal line section 24 in the future.
From the above, open circuit defect takes place in somewhere in the circuit of first data line 13, and when causing signal can't be delivered to each picture element of open circuit defect below smoothly; Can carry out a short circuit Hotfix, make first end, 231 conductings of first data line, 13 1 ends and first horizontal line section, and make first end, 241 conductings of first data line, 13 other ends and second horizontal line section.By this, need originally to see through the signal that first data line 13 from top to bottom is sent to each picture element, can diverted via patch cord 21 and from bottom to top be sent to each picture element that is positioned at the open circuit defect below.In addition, somewhere in the circuit of first data line 13, the defective that is short-circuited, and when causing the mutual conducting of first data line 13 and gate line; Can carry out an open circuit Hotfix prior to first data line 13 and the two ends up and down of gate line conducting place, conducting place and first data line 13 are disconnected, utilize a short circuit Hotfix to come first end 231 of one of conducting first data line 13 end and first horizontal line section and first end 241 of the other end of first data line 13 and second horizontal line section again.By this, patch cord 21 can replace first data line 13, signal from bottom to top is sent to each picture element that is positioned at the circuit defect below.
See also accompanying drawing 3, be the structural representation of the pixel driving circuit structure of the tool patch cord of one embodiment of the invention.Second end 232 of first horizontal line section more may extend on second data line 14 among the figure, and second end 242 of second horizontal line section also may extend on second data line 14.By this, when first grid polar curve 11 or second grid line 12 generation defectives, can see through suitable open circuit Hotfix and short circuit Hotfix, replace defective gate line with patch cord 21.
See also accompanying drawing 4, be the structural representation of the pixel driving circuit structure of the tool patch cord of another embodiment of the present invention.Data line open circuit defect 30 takes place in somewhere in the circuit of second data line 14 among the figure, and when causing signal can't be delivered to each picture element of data line open circuit defect 30 belows smoothly; Can carry out a short circuit Hotfix, make first end, 231 conductings of second data line, 14 1 ends and first horizontal line section, and make first end, 241 conductings of second data line, 14 other ends and second horizontal line section.By this, originally need to see through the signal that second data line 14 from top to bottom is sent to each picture element, can diverted via patch cord 21, by first horizontal line section 23, vertical line segment 22 and second horizontal line section 24, from bottom to top be sent to each picture element that is positioned at data line open circuit defect 30 belows in regular turn.In addition, can not interfere with each other in order to make many patch cords, after finishing the short circuit Hotfix, the preferable Hotfix 31～34 of opening a way makes the patch cord 21 that is used the back herein be independent of other patch cord.
See also accompanying drawing 5, be the structural representation of the pixel driving circuit structure of the tool patch cord of further embodiment of this invention.Data line circuit defect 35 takes place in somewhere in the circuit of second data line 14 among the figure, and when causing the mutual conducting of second data line 14 and second grid line 12; Can be prior to the two ends up and down at the data line circuit defect 35 places Hotfix 36,37 of opening a way, data line circuit defect 35 places and second data line 14 are disconnected, utilize the short circuit Hotfix to come first end 231 of one of conducting second data line 14 end and first horizontal line section and first end 241 of the other end of second data line 14 and second horizontal line section again.By this, patch cord 21 can replace second data line 14, signal from bottom to top is sent to each picture element that is positioned at below, data line circuit defect 35 place.
See also accompanying drawing 6, be the structural representation of the pixel driving circuit structure of the tool patch cord of yet another embodiment of the invention.When causing drive signal to transmit smoothly when the 11 generation gate line open circuit defects 38 of first grid polar curve among the figure, present embodiment can be prior to rear and front end, gate line open circuit defect 38 place, with a short circuit Hotfix, with the first vertical line segment 221 and 11 conductings of first grid polar curve, and with the second vertical line segment 222 and 11 conductings of first grid polar curve.By this, the drive signal of first grid polar curve 11 just can be skipped gate line open circuit defect 38 smoothly.Certainly, be independent of other patch cord in order to make repairing herein, the preferable open circuit Hotfix 31～34 that sees through of present embodiment, two patch cords in gate line open circuit defect 38 front and back are independent.
At last, about the actual processing procedure of patch cord, first grid polar curve and second grid line can be positioned at a first metal layer, and first data line and second data line can be positioned at one second metal level, then patch cord are located at one the 3rd metal level.In addition, also the vertical line segment of patch cord can be located at second metal level, and first horizontal line section and second horizontal line section are located at the first metal layer or the 3rd metal level.Or conversely vertical line segment is located at second metal level, and first horizontal line section and second horizontal line section are located at the 3rd metal level or the first metal layer.What is more, first grid polar curve and second grid line are located at a first metal layer, first data line and second data line are arranged at one second metal level, and vertical line segment is located at one the 3rd metal level, and first horizontal line section and second horizontal line section are arranged at the first metal layer.Certainly, the thin film transistor (TFT) of present embodiment is good with double-gate film transistor (Dual-gate TFT) still.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. the pixel driving circuit structure of a tool patch cord is applicable to a display panels, and the pixel driving circuit structure of described tool patch cord comprises:
One first grid polar curve;
One second grid line is parallel to described first grid polar curve;
One first data line is perpendicular to described first grid polar curve and described second grid line;
One second data line is parallel to described first data line;
One the first film transistor is positioned at one of described first data line side, and the control end of described the first film transistor is to be electrically connected at described second grid line, and the input end of described the first film transistor is to be electrically connected at described first data line;
One second thin film transistor (TFT) is positioned at the opposite side of described first data line, and the control end of described second thin film transistor (TFT) is to be electrically connected at described first grid polar curve, and the input end of described second thin film transistor (TFT) is to be electrically connected at described first data line;
One the 3rd thin film transistor (TFT) is positioned at one of described second data line side, and the control end of described the 3rd thin film transistor (TFT) is to be electrically connected at described second grid line, and the input end of described the 3rd thin film transistor (TFT) is to be electrically connected at described second data line; And
One the 4th thin film transistor (TFT) is positioned at the opposite side of described second data line, and the control end of described the 4th thin film transistor (TFT) is to be electrically connected at described first grid polar curve, and the input end of described the 4th thin film transistor (TFT) is to be electrically connected at described second data line; It is characterized in that: the pixel driving circuit structure of described tool patch cord more comprises:
One patch cord comprises:
One vertical line segment, between described first data line and described second data line, and by described first grid polar curve and described second grid line;
One first horizontal line section is connected in described vertical line segment, and it does not intersect with described first grid polar curve and described second grid line, and described first horizontal line section is to extend on described first data line; And
One second horizontal line section, be connected in described vertical line segment, it does not intersect with described first grid polar curve and described second grid line, described second horizontal line section is to extend on described first data line, wherein when among first grid polar curve, second grid line, first data line and second data line during any line segment generation defective, replace defective line segment with patch cord, with signal by being sent to each picture element that is positioned at this defective line segment below.
2. the pixel driving circuit structure of tool patch cord according to claim 1 is characterized in that, second end of described first horizontal line section is to extend on described second data line.
3. the pixel driving circuit structure of tool patch cord according to claim 1 is characterized in that, second end of described second horizontal line section is to extend on described second data line.
4. the pixel driving circuit structure of tool patch cord according to claim 1, it is characterized in that, described first grid polar curve and described second grid line are to be positioned at a first metal layer, described first data line and described second data line are to be positioned at one second metal level, and described patch cord is to be positioned at one the 3rd metal level.
5. the pixel driving circuit structure of tool patch cord according to claim 1, it is characterized in that, described first grid polar curve and described second grid line are to be positioned at a first metal layer, described first data line and described second data line are to be positioned at one second metal level, described vertical line segment is to be positioned at described second metal level, and described first horizontal line section and described second horizontal line section are to be positioned at described the first metal layer.
6. the pixel driving circuit structure of tool patch cord according to claim 1, it is characterized in that, described first grid polar curve and described second grid line are to be positioned at a first metal layer, described first data line and described second data line are to be positioned at one second metal level, described vertical line segment is to be positioned at described second metal level, and described first horizontal line section and described second horizontal line section are to be positioned at one the 3rd metal level.
7. the pixel driving circuit structure of tool patch cord according to claim 1, it is characterized in that, described first grid polar curve and described second grid line are to be positioned at a first metal layer, described first data line and described second data line are to be positioned at one second metal level, described vertical line segment is to be positioned at one the 3rd metal level, and described first horizontal line section and described second horizontal line section are to be positioned at described the first metal layer.
8. the pixel driving circuit structure of tool patch cord according to claim 1 is characterized in that, described thin film transistor (TFT) is a bigrid thin film transistor (TFT).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010173557 CN101852956A (en) | 2010-04-27 | 2010-04-27 | Pixel driving circuit structure with repair line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010173557 CN101852956A (en) | 2010-04-27 | 2010-04-27 | Pixel driving circuit structure with repair line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101852956A true CN101852956A (en) | 2010-10-06 |
Family
ID=42804500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010173557 Pending CN101852956A (en) | 2010-04-27 | 2010-04-27 | Pixel driving circuit structure with repair line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101852956A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149756A (en) * | 2011-12-06 | 2013-06-12 | 上海中航光电子有限公司 | Array substrate and liquid crystal display panel with same |
| WO2014026321A1 (en) * | 2012-08-13 | 2014-02-20 | 深圳市华星光电技术有限公司 | Two-dimensional display panel and repairing method thereof |
| CN104204929A (en) * | 2012-03-27 | 2014-12-10 | 夏普株式会社 | Display element and display device |
| CN105301809A (en) * | 2015-11-19 | 2016-02-03 | 深圳市华星光电技术有限公司 | Array substrate structure and data line breakage repairing method for array substrate |
| US9377661B2 (en) | 2011-05-23 | 2016-06-28 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Display panel and repair method thereof |
| WO2017118088A1 (en) * | 2016-01-04 | 2017-07-13 | 京东方科技集团股份有限公司 | Array substrate and method for repairing same, display panel, and display device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101154361A (en) * | 2006-09-29 | 2008-04-02 | Lg.菲利浦Lcd株式会社 | Liquid crystal display device |
| CN101446724A (en) * | 2008-12-16 | 2009-06-03 | 昆山龙腾光电有限公司 | Liquid crystal display device, array substrate and method for repairing defects thereof |
-
2010
- 2010-04-27 CN CN 201010173557 patent/CN101852956A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101154361A (en) * | 2006-09-29 | 2008-04-02 | Lg.菲利浦Lcd株式会社 | Liquid crystal display device |
| CN101446724A (en) * | 2008-12-16 | 2009-06-03 | 昆山龙腾光电有限公司 | Liquid crystal display device, array substrate and method for repairing defects thereof |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9377661B2 (en) | 2011-05-23 | 2016-06-28 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Display panel and repair method thereof |
| CN103149756A (en) * | 2011-12-06 | 2013-06-12 | 上海中航光电子有限公司 | Array substrate and liquid crystal display panel with same |
| CN103149756B (en) * | 2011-12-06 | 2016-08-10 | 上海中航光电子有限公司 | Array base palte and there is the display panels of this substrate |
| CN104204929A (en) * | 2012-03-27 | 2014-12-10 | 夏普株式会社 | Display element and display device |
| WO2014026321A1 (en) * | 2012-08-13 | 2014-02-20 | 深圳市华星光电技术有限公司 | Two-dimensional display panel and repairing method thereof |
| CN105301809A (en) * | 2015-11-19 | 2016-02-03 | 深圳市华星光电技术有限公司 | Array substrate structure and data line breakage repairing method for array substrate |
| WO2017118088A1 (en) * | 2016-01-04 | 2017-07-13 | 京东方科技集团股份有限公司 | Array substrate and method for repairing same, display panel, and display device |
| US10199401B2 (en) | 2016-01-04 | 2019-02-05 | Boe Technology Group Co., Ltd. | Array substrate and method for maintaining the same, display panel and display device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9389476B2 (en) | Liquid crystal display device and method of driving the same | |
| US7336093B2 (en) | Test circuit for flat panel display device | |
| US20180299719A1 (en) | Display device with signal lines routed to decrease size of non-display area | |
| JP5285119B2 (en) | Active matrix substrate, display device, active matrix substrate inspection method, and display device inspection method | |
| US8411221B2 (en) | Display device and repairing method for the same | |
| CN103928003B (en) | Grid driving circuit, restoration method thereof, display panel and display device | |
| CN101852956A (en) | Pixel driving circuit structure with repair line | |
| CN104536229A (en) | Array substrate and display panel | |
| CN104036731B (en) | Image element circuit and display device | |
| CN109448617B (en) | Display panel and display device | |
| US8289255B2 (en) | Electro-optical apparatus and display thereof | |
| CN101539700B (en) | Liquid crystal display | |
| US11835807B2 (en) | Display panel | |
| CN105976785B (en) | GOA circuit and liquid crystal display panel | |
| CN105761704A (en) | Display panel and driving circuit and driving method thereof | |
| CN105607780A (en) | Electrostatic discharge circuit, display panel with electrostatic discharge circuit and electrostatic discharge method | |
| CN101900902A (en) | Display panel | |
| CN103871342A (en) | Bilateral drive unit for grid driving, TFT array substrate and flat display | |
| CN104142588A (en) | Liquid crystal display panel and liquid crystal display | |
| CN104181714B (en) | GOA (Gate Driver on Array) layout method, array substrate and display device | |
| CN102983134B (en) | Display device and array substrate and fabrication method of array substrate | |
| CN203733452U (en) | Array substrate, display panel and display apparatus | |
| CN204632309U (en) | A kind of display panel and display device | |
| CN100565634C (en) | The display driver circuit of flat-panel screens and gate control lines driving method | |
| KR20170080282A (en) | Display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20101006 |