CN101907790B - Display panel - Google Patents
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- CN101907790B CN101907790B CN2010102314857A CN201010231485A CN101907790B CN 101907790 B CN101907790 B CN 101907790B CN 2010102314857 A CN2010102314857 A CN 2010102314857A CN 201010231485 A CN201010231485 A CN 201010231485A CN 101907790 B CN101907790 B CN 101907790B
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- shift registor
- shift
- display panel
- patch cord
- registor
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Abstract
The invention discloses a display panel. The display panel comprises a base plate, a shift register array, scanning lines, a compensation circuit, a first repair line and a second repair line, wherein the shift register array is arranged in a non-display area of the base plate and comprises a plurality of shift registers; the scanning lines are connected with the shift registers to drive a display unit; a standby shift register is used for substituting for the damaged shift register in the shift register array; the compensation circuit is connected to the standby shift register and is used for correcting the output of a gate pulse of the standby shift register; the first repair line and the second repair line are connected with the compensation circuit and the standby shift register respectively and span two ends of each scanning line on the non-display area; and when one of the shift register is damaged, the first repair line and the second repair line are connected with the scanning line corresponding to the damaged shift register and a standby line, so that the standby shift register can be substitute for the damaged shift register.
Description
The application is that the application number of submitting on February 5th, 2009 is 2009100066224, and denomination of invention is divided an application for the application for a patent for invention of " display panel ".
Technical field
The present invention relates to a kind of display panel, and be particularly related to a kind of method for repairing and mending of shift registor of display panel.
Background technology
LCD (Liquid Crystal Display; LCD) have that high image quality, volume are little, in light weight, low voltage drive, low consumpting power and advantages of wide application range; So be widely used in portable television, mobile phone, shot with video-corder projector, in consumer electronics such as notebook computer, console display and projection TV or the computer product, become the main flow of display.
When making LCD, through using thin-film technique, make shift registor (shift register) be able to be formed directly on the glass substrate, and need not use grid drive chip, reduced the production cost of LCD significantly.
Yet; Though this kind technology is saved the cost of grid drive chip; If but have a shift registor to damage in the shift registor array on the substrate; Just possible because can't repair the shift registor of this damage, and cause whole LCD normally to show, cause extra production cost and reduce the product yield.
Summary of the invention
Therefore the object of the invention just provides a kind of repairable display panel, in order to solve the problem that can't normally show because of the shift registor damage.
The present invention proposes a kind of display panel, adopts monolateral driving, and this display panel comprises: a substrate, have a viewing area and a non-display area, and this viewing area comprises a plurality of display units; One shift registor array is arranged at this non-display area, and this shift registor array comprises a plurality of shift registors; A plurality of sweep traces are connected with said a plurality of shift registors respectively, to drive said a plurality of display unit; One subsequent use shift registor is used for substituting the shift registor that this shift registor array is damaged; One compensating circuit is connected to this subsequent use shift registor, in order to the output of the gate pulse of revising this subsequent use shift registor; One first patch cord near this shift registor array, links to each other with this compensating circuit, and crosses over each said a plurality of sweep trace one by one and be positioned at the end on this non-display area; And one second patch cord, away from this shift registor array, link to each other, and cross over each said a plurality of sweep trace one by one and be positioned at the other end on this non-display area with this subsequent use shift registor.
The present invention proposes a kind of display panel, comprises a substrate, is arranged at the shift registor array on the substrate, a plurality of sweep trace and data line, a compensating circuit, one first patch cord and one second patch cord.Substrate has a viewing area and a non-display area, and the viewing area includes a plurality of display units.The shift registor array is arranged at non-display area, and includes a plurality of shift registors.Sweep trace is connected with shift registor, to drive display unit.First patch cord links to each other with compensating circuit, and crosses over each sweep trace one by one and be positioned at the end on the non-display area, and second patch cord links to each other with compensating circuit, and crosses over each sweep trace one by one and be positioned at the other end on the non-display area.
Also include a connecting line between per two shift registors, to connect shift registor.Also include a siding between per two shift registors, an end of siding is to be connected with connecting line, the sweep trace before the other end of siding is then crossed over and is arranged in.Wherein when one of them when damage of shift registor, the sweep trace that shift registor connected of damage is connected with corresponding siding, and the sweep trace that shift registor connected of damage links to each other with second patch cord.When shift registor was separately positioned on the both sides of viewing area, first patch cord linked to each other with the sweep trace that shift registor was connected of damage.When shift registor is when being arranged on a side of viewing area, first patch cord can link to each other with the last shift registor of the shift registor of damage.
Display panel can also include a subsequent use shift registor, links to each other with compensating circuit, and first patch cord and second patch cord are for linking to each other with compensating circuit and subsequent use shift registor respectively.Compensating circuit and subsequent use shift registor can be arranged on the circuit board.Wherein compensating circuit can be a trigger or an amplifier.Substrate can be a glass substrate.
First patch cord of display panel of the present invention and second patch cord can be crossed over sweep trace one by one; And during shift registor damage therein; First patch cord and second patch cord are connected with siding with sweep trace corresponding to the shift registor of damage; Make other the function that working storage is able to substitute the shift registor of damage of diverting from one use to another, the shift registor that the Presentation Function of display panel is not damaged influences.
Description of drawings
For letting above-mentioned and other purposes of the present invention, characteristic, advantage and the embodiment can be more obviously understandable, the detailed description of appended accompanying drawing be following:
Fig. 1 illustrates the synoptic diagram of display panel first embodiment of the present invention.
Fig. 2 illustrates the synoptic diagram of display panel second embodiment of the present invention.
Fig. 3 illustrates the synoptic diagram of display panel the 3rd embodiment of the present invention.
Fig. 4 illustrates the synoptic diagram of display panel the 4th embodiment of the present invention.
Fig. 5 illustrates the synoptic diagram of display panel the 5th embodiment of the present invention
And the description of reference numerals in the above-mentioned accompanying drawing is following:
100: display panel 110: substrate
112: viewing area 114: non-display area
120: circuit board 130: flexible printed wiring board
140: shift registor array 142,142a, 142b, 142c: shift registor
144: connecting line 160: datawire driver
150,150a, 150c: sweep trace 170: subsequent use shift registor
162: 180: the first patch cords of data line
172: compensating circuit 184,184a: siding
Patch cord 212 in 182: the second: the viewing area
200: display panel 220: circuit board
214: non-display area 240: the shift registor array
230: flexible printed wiring board 244: connecting line
242,242a, 242b, 242c: shift registor 250,250a: sweep trace
260: datawire driver 262: data line
272: 280: the first patch cords of compensating circuit
282: the second patch cords 284,284a: siding
Embodiment
Below will clearly demonstrate spirit of the present invention with accompanying drawing and detailed description; Any those of ordinary skills are after understanding preferred embodiment of the present invention; When can be by the technology of teachings of the present invention, change and modification, it does not break away from spirit of the present invention and scope.
With reference to Fig. 1, it illustrates the synoptic diagram according to display panel first embodiment of the present invention.Display panel 100 includes a substrate 110, a circuit board 120, connect the flexible printed wiring board 130 (flexible printed circuit board) of substrate 110 and circuit board 120, is arranged at the datawire driver 160 on the flexible printed wiring board 130 and is arranged on shift registor array 140, the multi-strip scanning line 150 and many data lines 162 on the substrate 110.
Substrate 110 can be a glass substrate; It includes a viewing area 112 and a non-display area 114, and shift registor array 140 is arranged on non-display area 114, in the present embodiment; Shift registor array 140 is arranged on the same side of viewing area 112, comprises a plurality of displacement working storages 142.Have a plurality of display unit (not shown)s in the viewing area 112; Data line 162 is for to be connected with datawire driver 160; Sweep trace 150 respectively with displacement working storage array 140 in a plurality of displacement working storages 142 link to each other; Data line 162 can pass display unit respectively with sweep trace 150, to drive a plurality of display units.
Also comprise a subsequent use shift registor 170 in the display panel 100, subsequent use shift registor 170 can be arranged on the circuit board 120.Also include a compensating circuit 172 in the display panel 100, compensating circuit 172 links to each other with subsequent use shift registor 170.Perhaps, subsequent use shift registor 170 also can be arranged on substrate 110 or the flexible printed wiring board 130 with compensating circuit 172.
Include one first patch cord 180 and one second patch cord 182 in the display panel 100; First patch cord 180 and second patch cord 182 are for linking to each other with compensating circuit 172 and subsequent use shift registor 170 respectively; And first patch cord 180 is for crossing over each bar sweep trace 150 is positioned at the end on the non-display area 114 one by one, and second patch cord 182 is positioned at the other end on the non-display area 114 for (respectively) one by one crosses over each bar sweep trace 150.First patch cord 180 is for being arranged at the end near shift registor array 140, and second patch cord 182 is for being arranged at the relative end away from shift registor array 140.
Include a plurality of shift registors 142 in the shift registor array 140, link to each other through connecting line 144 between a plurality of shift registors 142.Also include a plurality of sidings 184 in the display panel 100, be distributed between per two shift registors 142.One end of siding 184 is to link to each other with connecting line 144, and the other end of siding 184 then is the one scan line of crossing over before being arranged in 150.Wherein siding 184 not with 180 conductings of first patch cord, but cross first patch cord 180 one by one.
With reference to Fig. 2, it illustrates the synoptic diagram of display panel second embodiment of the present invention.In the present embodiment; One of them shift registor 142a damage in the shift registor array 140, the shift registor 142a forfeiture effect of this damage, and influence the Presentation Function of display panel 100; Therefore; Present embodiment is convenient to replace the shift registor 142a of this damage with subsequent use shift registor 170, and display panel 100 can normally be shown.
In the present embodiment; The end of the sweep trace 150a that the shift registor 142a of damage is connected can connect with second patch cord 182 in fact; The other end of sweep trace 150a then is to connect with the corresponding siding 184a of former leap, and the shift registor 142b after making it can continue normal operation.First patch cord 180 then is to link to each other with the last shift registor 142c of the shift registor 142a that damages, and sweep trace 150c that first patch cord 180 can be connected with last shift registor 142c or siding 184c connect.
At this moment; Last shift registor 142c flows to the electric current of sweep trace 150c, can flow through subsequent use shift registor 170 via first patch cord 180 that connects in fact with it, flows to the real with it sweep trace 150a that connects via second patch cord 182 again; Make subsequent use shift registor 170 driven sweep line 150a; Then, this electric current flows to next shift registor 142b via the siding 184a that links to each other with sweep trace 150a again, but makes next shift registor 142b and still normal operation of the latter thereof.
Subsequent use shift registor 170 can be through real first patch cord 180 and second patch cord 182 that connects, and the display unit on the shift registor 142a driven sweep line 150a that replaces damaging still can normally show display panel 100.172 of compensating circuits can be in order to the output of the gate pulse (gate pulse) of revising subsequent use shift registor 170.Compensating circuit 172 can be an amplifier or a trigger.
With reference to Fig. 3, it illustrates the synoptic diagram of display panel the 3rd embodiment of the present invention.Display panel 100 in the present embodiment is monolateral driving, and shift registor 142a wherein damages for some reason, because the shift registor 142a of damage can't normally act on, makes the Presentation Function of display panel 100 be affected.And present embodiment can replace the shift registor 142a of damage through subsequent use shift registor 170, and display panel 100 can normally be shown.
In the present embodiment, real the connecing of sweep trace 150a that first patch cord 180 is connected for the shift registor 142a with damage.The shift registor of damage 142a's and next shift registor 142b between the sweep trace 150a reality of shift registor 142a of siding 184a and damage connect.182 of second patch cords are real the connecing of sweep trace 150c with the last shift registor 142c of the shift registor 142a of damage.Wherein, the direction of current of subsequent use shift registor 170 can be different from first embodiment.
At this moment, the electric current that is flowed out by last shift registor 142c transmits second patch cord 182 that connects in fact to it via sweep trace 150c, then, flows to subsequent use shift registor 170 via second patch cord 182 again, is resent to first patch cord 180.Because the sweep trace 150a of the shift registor 142a of damage is for connect with first patch cord 180 in fact, the electric current that is therefore sent by first patch cord 180 can flow through the real with it sweep trace 150a that connects, with driven sweep line 150a.In addition, this electric current also can transmit to the siding 184a that connects sweep trace 150a and next shift registor 142b, transmits to next shift registor 142b through siding 184a, but makes next shift registor 142b and still normal operation of the latter thereof.
It should be noted that; Through first patch cord 180, the subsequent use shift registor 170 on the display panel 100; Be not limited to above-mentioned mentioned embodiment with the mode of second patch cord 182 with the connected mode that substitutes the shift registor 142a that damages; As long as can utilize layout provided by the present invention, and make subsequent use shift registor 170 replace shift registor 142a and the driven sweep line 150a of damage, all within invention which is intended to be protected with reasonable connection way.
With reference to Fig. 4, it illustrates the synoptic diagram of display panel the 4th embodiment of the present invention.The display panel 200 of present embodiment is bilateral driving; A plurality of shift registors 242 of shift registor array 240 are for being separately positioned on the relative both sides of viewing area 212, and each bar sweep trace 250 then is to link to each other with the shift registor 242 of 212 both sides, viewing area respectively.Data line 262 for flexible printed wiring board 230 on datawire driver 260 be connected, sweep trace 250 can pass display unit respectively with data line 262, to drive said a plurality of display unit.
Link to each other through connecting line 244 between a plurality of shift registors 242.Also include a plurality of sidings 284 in the display panel 200, be distributed between adjacent two shift registors 242 of the same side.One end of siding 284 is to link to each other with connecting line 244, and the other end of siding 284 then is the sweep trace of crossing over before being arranged in 250.
With reference to Fig. 5, it illustrates the synoptic diagram of display panel the 5th embodiment of the present invention.In the present embodiment, original first patch cord 280 and second patch cord of crossing over sweep trace 250 282, the two ends reality of the sweep trace 250a that is connected with the shift registor 242a that damages respectively connects.Display unit on the shift registor 242a driven sweep line 250a that the shift registor 242a that makes and damage shift registor 242b in groups can replace damaging, and reach the effect of bilateral driving through first patch cord 280 and second patch cord 282.
Wherein, compensating circuit 272 can be revised the output of the gate pulse of shift registor 242b, makes the brightness of sweep trace 250a be unlikely to reduce because of the transmitting range of first patch cord 280 is long.The sweep trace 250a of the shift registor 242a of damage can connect with the siding 284a of original leap is real, makes the shift registor 242c after the shift registor 242a of damage can normal operation.
Can know by the invention described above preferred embodiment, use the present invention and have advantage.First patch cord of display panel of the present invention and second patch cord can be crossed over sweep trace one by one; And during shift registor damage therein; First patch cord and second patch cord are connected with siding with sweep trace corresponding to the shift registor of damage; Make other the function that working storage is able to substitute the shift registor of damage of diverting from one use to another, the shift registor that the Presentation Function of display panel is not damaged influences.
Though the present invention with a preferred embodiment openly as above; Yet it is not in order to limit the present invention; Any those of ordinary skills; Do not breaking away from the spirit and scope of the present invention, when can doing various changes and retouching, so protection scope of the present invention is as the criterion when looking the scope that claim defined of enclosing.
Claims (8)
1. a display panel adopts monolateral driving, and this display panel comprises:
One substrate has a viewing area and a non-display area, and this viewing area comprises a plurality of display units;
One shift registor array is arranged at this non-display area, and this shift registor array comprises a plurality of shift registors;
A plurality of sweep traces are connected with said a plurality of shift registors respectively, to drive said a plurality of display unit;
One subsequent use shift registor is used for substituting the shift registor that this shift registor array is damaged;
One compensating circuit is connected to this subsequent use shift registor, in order to the output of the gate pulse of revising this subsequent use shift registor;
One first patch cord near this shift registor array, links to each other with this compensating circuit, and crosses over each said a plurality of sweep trace one by one and be positioned at the end on this non-display area; And
One second patch cord away from this shift registor array, links to each other with this subsequent use shift registor, and crosses over each said a plurality of sweep trace one by one and be positioned at the other end on this non-display area,
Also comprise a connecting line between wherein per two shift registors; To connect said a plurality of shift registor; And also comprise a siding between wherein per two shift registors, and an end of this siding is to be connected with this connecting line, the other end of this siding is crossed over this sweep trace before being arranged in.
2. display panel as claimed in claim 1; Wherein when one of them whens damage of said a plurality of shift registors; This sweep trace that this shift registor connected of damage links to each other with this second patch cord with this corresponding siding, and this first patch cord links to each other with the last shift registor of this shift registor of damage.
3. display panel as claimed in claim 1; Wherein when one of them whens damage of said a plurality of shift registors; This sweep trace that this shift registor connected of damage links to each other with this first patch cord with this corresponding siding, and this second patch cord links to each other with the last sweep trace of this shift registor of damage.
4. display panel as claimed in claim 1, wherein this compensating circuit is arranged on the circuit board with this subsequent use shift registor.
5. display panel as claimed in claim 1, wherein this compensating circuit is arranged on the circuit board.
6. display panel as claimed in claim 1, wherein this compensating circuit is a trigger.
7. display panel as claimed in claim 1, wherein this compensating circuit is an amplifier.
8. display panel as claimed in claim 1, wherein this substrate is a glass substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102314857A CN101907790B (en) | 2009-02-05 | 2009-02-05 | Display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102314857A CN101907790B (en) | 2009-02-05 | 2009-02-05 | Display panel |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100066224A Division CN101487935B (en) | 2009-02-05 | 2009-02-05 | Display panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101907790A CN101907790A (en) | 2010-12-08 |
| CN101907790B true CN101907790B (en) | 2012-05-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102314857A Active CN101907790B (en) | 2009-02-05 | 2009-02-05 | Display panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101907790B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105304041B (en) * | 2015-11-06 | 2019-03-22 | 深圳市华星光电技术有限公司 | A kind of scanning driving device |
| CN114333580B (en) * | 2021-12-21 | 2022-11-25 | Tcl华星光电技术有限公司 | Display panel and display device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101004498A (en) * | 2006-01-18 | 2007-07-25 | 三星电子株式会社 | Liquid crystal display and method of repairing the same |
| CN101038733A (en) * | 2006-03-17 | 2007-09-19 | Lg.菲利浦Lcd株式会社 | Gate driver and repairing method thereof |
| CN100410744C (en) * | 2005-11-22 | 2008-08-13 | 友达光电股份有限公司 | Liquid crystal display device and repair line structure thereof |
-
2009
- 2009-02-05 CN CN2010102314857A patent/CN101907790B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100410744C (en) * | 2005-11-22 | 2008-08-13 | 友达光电股份有限公司 | Liquid crystal display device and repair line structure thereof |
| CN101004498A (en) * | 2006-01-18 | 2007-07-25 | 三星电子株式会社 | Liquid crystal display and method of repairing the same |
| CN101038733A (en) * | 2006-03-17 | 2007-09-19 | Lg.菲利浦Lcd株式会社 | Gate driver and repairing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101907790A (en) | 2010-12-08 |
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