CN101655613B - Flat panel display, flat panel display broken wire repairing circuit and setting method thereof - Google Patents
Flat panel display, flat panel display broken wire repairing circuit and setting method thereof Download PDFInfo
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- CN101655613B CN101655613B CN2008101179899A CN200810117989A CN101655613B CN 101655613 B CN101655613 B CN 101655613B CN 2008101179899 A CN2008101179899 A CN 2008101179899A CN 200810117989 A CN200810117989 A CN 200810117989A CN 101655613 B CN101655613 B CN 101655613B
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Abstract
The invention relates to a flat panel display, a flat panel display broken wire repairing circuit and a setting method thereof. The circuit comprises a first horizontal repairing wire, a second horizontal repairing wire and longitudinal repairing wires of a scanning line layer, wherein the number of the longitudinal repairing wires is at least two, and one of the longitudinal repairing wires is conducted with the first horizontal repairing wire and the second horizontal repairing wire; and a signal wire layer between the longitudinal repairing wires is provided with a connecting wire. The flat panel display comprises the broken wire repairing circuit. The method comprises the following steps: setting the first horizontal repairing wire, the second horizontal repairing wire and at least two longitudinal repairing wires of the scanning line layer; conducting one of the longitudinal repairing wires with the first horizontal repairing wire and the second horizontal repairing wire; and arranging the connecting wire on the signal wire layer between the longitudinal repairing wires. By setting at least two longitudinal repairing wires, the broken wire repairing effect of the flat panel display is improved, and the display effect of the flat panel display is improved.
Description
Technical field
The present invention relates to a kind of flat-panel monitor, relate in particular to a kind of flat-panel monitor, flat panel display broken wire repairing circuit and method to set up thereof that can improve the broken string repairing effect of flat-panel monitor.
Background technology
Improve constantly along with what the development of technology and people required, flat-panel monitor is because volume is little, in light weight, power consumption is low, characteristics such as radiationless, and the stable many-sided advantage such as do not glimmer of image, becomes the main product of current society rapidly.
Flat-panel monitor comprises that mainly liquid crystal reaches the control circuit to liquid crystal.Flat-panel monitor is in manufacturing process, because problems such as technologies, its control circuit possibly produce some line defects, and problem especially breaks.
In the prior art; The method of repairing broken string is: behind the molding process of accomplishing flat-panel monitor; Utilize laser welding method with insulation course between sweep trace and the signal wire and active layer fusing, make sweep trace and signal wire form electric pathway, thereby solve the broken string problem.Shown in Fig. 1 a～Fig. 2 b, Fig. 1 a, Fig. 1 b have the preceding synoptic diagram and the corresponding diagrammatic cross-section thereof of flat-panel monitor reparation broken string of repairing line in the prior art.In effective viewing area 9 on the glass substrate 0, when direction of current 2 (dotted line among the figure) transmitted, interrupted by regional 3 places of broken string that flow through in signal wire 1 for electric current, and therefore broken string zone 3 can not realize showing.Fig. 2 a, Fig. 2 b are synoptic diagram and the corresponding diagrammatic cross-section thereof that has in the prior art after the flat-panel monitor reparation of repairing line is broken; Reparation for broken string zone 3; Prior art utilizes the laser beam fusing to need sweep trace layer and the insulation course of repairing between the signal line layer 4 and active layer 5, promptly produces laser welding place 6; First level at laser welding place 6 is repaired line 81 and signal wire 1 conducting, form a circuit that can make signal wire 1 conducting that needs reparation.Promptly; Electric current is repaired flow through vertical reparation line 7 of scan line layer of line 81 from zone 3 the top laser welding 6 that breaks along first level of dotted line scanning direction line layer; Repair line 82 last laser welding places, below 6 through second level again to broken string zone 3; Thereby the voltage of regional 3 both sides of broken string is remained unchanged, realize reparation the zone 3 of breaking.
The defective that prior art exists is that the reparation circuit is owing to the load effect of resistance and electric capacity makes the broken string zone produce the voltage signal delay phenomenon.Reparation circuit shown in Fig. 2 a; Because first level is repaired the load effect that line 81, second level are repaired line 82 and vertically repaired resistance and electric capacity in the line 7; The generation voltage signal postpones; Make the broken string regional signal line the first half 31 of having repaired different, influence the display effect of repairing effect and flat-panel monitor with broken string regional signal line the latter half 32 voltage signals.
Summary of the invention
The object of the present invention is to provide a kind of flat-panel monitor, flat panel display broken wire repairing circuit and method to set up thereof, to improve the broken string repairing effect of flat-panel monitor.
For realizing above-mentioned purpose; The invention provides a kind of flat panel display broken wire repairing circuit; First level that comprises the sweep trace layer is repaired line, second level is repaired line and vertically repaired line; Said vertical reparation line has two at least, wherein vertically repairs line and said first level reparation line, the conducting of second level reparation line for one; Vertical signal line layer of repairing between the line is provided with connecting line, and all the other vertically repair lines and said first level reparation line, second level reparation line to be used for conducting.
In the such scheme, vertically repair the homonymy that line can be positioned at the broken string zone, be connected with the connecting line of signal line layer, the connecting line of said signal line layer has two at least; Vertically repair the both sides that line also can be positioned at the broken string zone; The vertical reparation line that wherein is positioned at left side, said broken string zone is connected with said first level reparation line and second level reparation line; The vertical reparation line that is positioned at the regional right side of said broken string has two at least, is connected with the connecting line of signal line layer.
The present invention also provides a kind of flat-panel monitor, comprises any one flat panel display broken wire repairing circuit that technique scheme provides, and is used for repairing the broken string zone of said flat-panel monitor.
The present invention also provides a kind of method that flat panel display broken wire repairing circuit is set, and comprising:
First level that the sweep trace layer is set is repaired line, second level is repaired vertical reparation line that line reaches at least two sweep trace layers, and wherein at least one vertical reparation line and said first level are repaired line, second level is repaired the line conducting;
At vertical signal line layer of repairing between the line connecting line is set, all the other vertically repair lines and said first level reparation line, second level reparation line to be used for conducting.
Wherein, vertical reparation line of at least two sweep trace layers of setting can comprise: said vertical reparation line is arranged at the homonymy in broken string zone; All the other vertical reparation lines of said at least two sweep trace layers are repaired the line conducting with said first level reparation line and second level can be comprised: conducting is positioned at connecting line and said all the other vertical reparation lines of signal line layer setting, and said all the other vertical lines and said first level reparation line and second level reparation lines repaired of conducting.
Vertical reparation line that at least two sweep trace layers are set can comprise: said vertical reparation line is arranged at the both sides in broken string zone; All the other vertical lines of repairing of said at least two sweep trace layers are repaired the line conducting and can be comprised with said first level reparation line, second level: conducting is arranged in all the other the vertical at least one vertical reparation line and said first levels of repairing lines in the said regional left side of breaking and repairs line and second level reparation lines; Vertical at least two connecting lines of vertically repairing line and signal line layer repairing in the line of all the other of the regional right side of the said broken string of conducting, and the said vertical reparation line of conducting and said first level reparation line and second level reparation line.
The connecting line of technique scheme through the vertical reparation line more than being set at the sweep trace layer and supplying to repair line and the conducting of second level reparation line with first level; When make repairing broken string can according to different needs by different way said first level of conducting repair line and second level is repaired line and vertically repaired line; Reach the purpose of regulating the pull-up resistor of repairing circuit; Thereby avoided signal delay; Make the broken string zone after repairing, be maintained to original voltage signal, improved the broken string repairing effect of flat-panel monitor, improved the display effect of flat-panel monitor.
Below in conjunction with accompanying drawing and specific embodiment, the present invention is further elaborated.
Description of drawings
Fig. 1 a has the preceding synoptic diagram of flat-panel monitor reparation broken string of repairing line in the prior art;
Fig. 1 b is the diagrammatic cross-section of A-A1 direction among Fig. 1 a;
Fig. 2 a is the synoptic diagram that has in the prior art after the flat-panel monitor reparation of repairing line is broken;
Fig. 2 b is the diagrammatic cross-section of A-A1 direction among Fig. 2 a;
Fig. 3 is the synoptic diagram of flat panel display broken wire repairing circuit embodiment one of the present invention;
Fig. 4 is the synoptic diagram of flat panel display broken wire repairing circuit embodiment two of the present invention;
Fig. 5 is the synoptic diagram of flat panel display broken wire repairing circuit embodiment three of the present invention;
Fig. 6 is the synoptic diagram of flat panel display broken wire repairing circuit embodiment four of the present invention;
Fig. 7 is provided with the process flow diagram of the method embodiment of flat panel display broken wire repairing circuit for the present invention.
Description of reference numerals:
The 0-glass substrate; The 1-signal wire; The 2-direction of current;
31-broken string regional signal line the first half;
32-broken string regional signal line the latter half;
3-breaks regional; The 4-insulation course; The 5-active layer;
The laser welding place in 6-broken string zone;
61,62,63,63-repairs the laser welding place of circuit region;
7,71,72,73-vertically repairs line; 81-first level is repaired line;
82-second level is repaired line; The effective viewing area of 9-;
The 10-connecting line.
Embodiment
Fig. 3 is the synoptic diagram of flat panel display broken wire repairing circuit embodiment one of the present invention.In the present embodiment, broken wire repairing circuit comprises that first level of sweep trace layer is repaired line 81, second level is repaired line 82 and vertical reparation line 7 and vertically repaired line 71.Vertically repair line 7 and vertically repair the homonymy that line 71 is positioned at effective viewing area 9.Signal line layer is provided with connecting line 10, with vertical reparation line 7 and vertically reparation line 71 conductings.Vertically repair the line 7 and first level and repair line 81,82 conductings of second level reparation line.When there is broken string in the flat-panel monitor at present embodiment broken string circuit place; Adopt laser fusion break the laser welding place 6 and laser welding place 61, laser welding place 62, laser welding place 63 and the laser welding place 64 of repairing circuit region at regional 3 two ends; Promptly make the connecting line 10 of signal line layer and vertically repair line 7, line zone repairing effect, improved the display effect of flat-panel monitor through fusing.
Fig. 4 is the synoptic diagram of flat panel display broken wire repairing circuit embodiment two of the present invention.In the present embodiment, through three connecting lines 10 being set at the signal line layer of vertically repairing line 7 and vertically repair between the line 71.There is broken string in effective viewing area 9 in the present embodiment flat-panel monitor; And satisfactory pull-up resistor is different from embodiment for the moment; Except that conducting up and down two connecting lines 10 with vertically repair line 7, vertically repair the line 71; Also can through laser melt in the middle of the further conducting connecting line 10 with vertically repair line 7, vertically repair line 71; Thereby further changed the pull-up resistor of repairing circuit, satisfied the demand of another kind of pull-up resistor, improved the display effect of the flat-panel monitor that has another kind of broken string situation.
Connecting line 10 also can be provided with more than three in the above-described embodiments, then according to the side circuit needs, and the connecting line 10 that conducting is different.For example when the distance in connecting line 10 and broken string zone 3 is far away, because preprosthetic pull-up resistor is bigger, but the connecting line 10 of conducting more than three; Vertically repair line 7 to reduce largely, vertically repair the resistance value of the reparation circuit that line 71 and connecting line 10 constituted; When the close together in connecting line 10 and broken string zone 3, because preprosthetic pull-up resistor is little, but three of conductings and following connecting line 10; Reduce with less degree ground and vertically to repair line 7, vertically repair the resistance value of the reparation circuit that line 71 and connecting line 10 constituted.Thereby realized adjusting, reduced the voltage signal delay that the broken string zone produces, improved the display effect of repairing effect and flat-panel monitor the pull-up resistor of difference broken string situation.
Fig. 5 is the synoptic diagram of flat panel display broken wire repairing circuit embodiment three of the present invention.In the present embodiment; Be provided with three in the flat-panel monitor and vertically repair lines: vertically repair line 7, vertically repair line 71, vertically repair line 72, and vertically repair line 7, vertically repair line 71, the signal line layer vertically repaired between the line 72 is provided with six connecting lines 10.Adjust the situation of pull-up resistor greatly for needs, can repair the bar number realization that line 81, second level are repaired vertical reparation line that line 82 is connected through the conducting and first level.When by a relatively large margin adjustment still can not satisfy the demands, can repair line 81, second level with first level through conducting and repair the bar number of the connecting line 10 on vertical reparation line that line 82 is connected and finely tune, to satisfy more loading demand more accurately.
In the foregoing description, vertically repair line and also can be provided with more than three, to satisfy more loading demand.Transfer, to satisfy more loading demand more accurately.
In the foregoing description, vertically repair line and also can be provided with more than three, to satisfy more loading demand.
Vertically repair the both sides that line also can be arranged at effective viewing area 9, the synoptic diagram of flat panel display broken wire repairing circuit embodiment four of the present invention as shown in Figure 6 in the flat panel display broken wire repairing circuit.Wherein, effectively the reparation circuit on 9 right sides, viewing area is repaired circuit with any one that provides among the above-mentioned embodiment.When the effective viewing area of 3 distances, broken string zone 9 left side edge are nearer; But the laser fusion conducting exists the signal wire 1 in the zone 3 of breaking and level and vertical line 73 of repairing of the sweep trace layer in effective 9 left sides, viewing area; At this moment, effectively vertical reparation line 73 in 9 left sides, viewing area is directly repaired line 81 with first level, second level is repaired line 82 and is connected, and has significantly reduced the pull-up resistor of repairing circuit; Reduce the voltage signal delay, improved the broken string repairing effect.
Embodiment of the invention flat-panel monitor can comprise any one flat panel display broken wire repairing circuit that provides among the foregoing circuit embodiment; When after flat-panel monitor becomes box, having the broken string zone; The laser welding place 6 usefulness laser in the broken string zone of 3 place signal wires melt in the broken string zone; The Continuity signal line and first level are repaired line 81, second level is repaired line 82, reached vertical reparation line of repairing line 81,82 conductings of second level reparation line with first level, and repair in the zone to breaking.When the regional repairing effect of broken string when relatively poor, all the other vertical reparation lines of conducting not as yet of connecting line 10 conductings capable of using are regulated the pull-up resistor of repairing circuit, meet the requirements until the display effect of flat-panel monitor.
Fig. 7 is the process flow diagram that the present invention is provided with the method embodiment of flat panel display broken wire repairing circuit, comprising:
Vertical reparation line that step 701, first level reparation line that the sweep trace layer is set, second level are repaired line and at least two sweep trace layers; Wherein, effectively nearest vertical reparation line and said first level in viewing area repaired line to distance, second level is repaired the line conducting.In this step, can said vertical reparation line be arranged at the homonymy or the both sides in broken string zone, referring to the explanation of above-mentioned reparation circuit embodiments.When vertical reparation line was arranged at the homonymy of effective viewing area, vertical reparation line of conducting was one; When vertical reparation line was arranged at the both sides of effective viewing area, vertical reparation line of conducting was two.
, flat-panel monitor has the broken string zone after completing; In the time of need repairing; Also can comprise: select corresponding vertically reparation line and said first level reparation line, second level to repair the line conducting through this connecting line; With realize vertically repairing being connected in parallel of line, SP mixes and connects, and reaches the purpose of regulating load resistance.Specifically can comprise:
When step 704, adjusting broken string zone reparation display effect; Can be according to display effect; Selection needs the vertical reparation line and the connecting line of signal line layer of the scan line layer that parallel connection or connection in series-parallel connect, and usefulness laser welding method will be repaired vertical reparation line and the connecting line conducting of signal line layer of the scan line layer of circuit region; Circuit form is repaired in the vertical reparation line of scan line layer and the connecting line short circuit of signal line layer, reaches best until the display effect of flat-panel monitor.
Reparation circuit to be provided with among the foregoing circuit embodiment one is an example; At first; First level that the sweep trace layer is set is repaired line 81, second level and is repaired vertical reparation line 7 of line 82 and sweep trace layer, vertically repairs line 71; And two connecting lines 10 being set at the signal line layer of vertically repairing line 7 and vertically repair between the line 71, connecting line 10 is used for conducting and vertically repairs line 7, vertically repairs that the line 71 and first level are repaired line 81, second level is repaired line 82.Wherein, vertically repair the line 7 and first level and repair line 81,82 conductings of second level reparation line.After flat-panel monitor completes, there is the broken string zone, in the time of need repairing, repairs line 81,82 conductings of second level reparation line with first level of scan line layer with will the break holding wire 1 in zone 3 of laser welding method; When regulating broken string zone 3 reparation display effects; Can be according to display effect; Vertical reparation line and connecting line that selection needs parallel connection or connection in series-parallel to connect, vertical reparation line and the connecting line conducting of signal line layer that will repair the scan line layer of circuit region with the laser welding method; The vertical reparation line of scan line layer and the connecting line short circuit of signal line layer form and repair circuit.At this moment, vertically repair line 7 and be connected in parallel with vertically repairing line 71, two connecting lines 10 are connected in parallel; Significantly reduce the pull-up resistor of repairing circuit, reduced the delay of the regional voltage signal that breaks, improved the reparation display effect of flat-panel monitor.
What should explain at last is: above embodiment is only in order to explaining technical scheme of the present invention, but not to its restriction; Although with reference to previous embodiment the present invention has been carried out detailed explanation, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of the essence disengaging various embodiments of the present invention technical scheme of relevant art scheme.
Claims (9)
1. a flat panel display broken wire repairing circuit comprises that first level of sweep trace layer is repaired line, second level is repaired line and vertically repaired line, it is characterized in that:
Said vertical reparation line has two at least, wherein vertically repairs line and said first level reparation line, the conducting of second level reparation line for one;
Vertical signal line layer of repairing between the line is provided with connecting line, and all the other vertically repair lines and said first level reparation line, second level reparation line to be used for conducting.
2. flat panel display broken wire repairing circuit according to claim 1 is characterized in that: the connecting line of said signal line layer has two at least.
3. flat panel display broken wire repairing circuit according to claim 1 is characterized in that: said vertical reparation line is positioned at the homonymy in broken string zone.
4. flat panel display broken wire repairing circuit according to claim 1 is characterized in that: said vertical reparation line is positioned at the both sides in broken string zone.
5. according to each described flat panel display broken wire repairing circuit among the claim 1-4, it is characterized in that: said all the other vertical reparations have at least a connecting line and said first level through signal line layer to repair line, the conducting of second level reparation line in the line.
6. a flat-panel monitor is characterized in that: comprise each described flat panel display broken wire repairing circuit among the aforesaid right requirement 1-5, be used for repairing the broken string zone of said flat-panel monitor.
7. the method that flat panel display broken wire repairing circuit is set is characterized in that, comprising:
First level that the sweep trace layer is set is repaired line, second level is repaired vertical reparation line that line reaches at least two sweep trace layers, and wherein at least one vertical reparation line and said first level are repaired line, second level is repaired the line conducting;
At vertical signal line layer of repairing between the line connecting line is set, all the other vertically repair lines and said first level reparation line, second level reparation line to be used for conducting.
8. according to the said method that flat panel display broken wire repairing circuit is set of claim 7, it is characterized in that:
Vertical reparation line that at least two sweep trace layers are set comprises:
Said vertical reparation line is arranged at the homonymy or the both sides in broken string zone.
9. according to claim 7 or the 8 said methods that flat panel display broken wire repairing circuit is set; It is characterized in that: also comprise, said all the other at least one vertical reparation line and said first level reparation line, second levels of vertically repairing in the line are repaired the line conducting with the connecting line of said signal line layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101179899A CN101655613B (en) | 2008-08-19 | 2008-08-19 | Flat panel display, flat panel display broken wire repairing circuit and setting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101179899A CN101655613B (en) | 2008-08-19 | 2008-08-19 | Flat panel display, flat panel display broken wire repairing circuit and setting method thereof |
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| Publication Number | Publication Date |
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| CN101655613A CN101655613A (en) | 2010-02-24 |
| CN101655613B true CN101655613B (en) | 2012-02-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008101179899A Active CN101655613B (en) | 2008-08-19 | 2008-08-19 | Flat panel display, flat panel display broken wire repairing circuit and setting method thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI567951B (en) * | 2015-05-08 | 2017-01-21 | 友達光電股份有限公司 | Active device array substrate |
| CN104898341B (en) * | 2015-06-05 | 2018-10-09 | 南京中电熊猫液晶显示科技有限公司 | Repair wire structure of liquid crystal display panel |
| CN110767149B (en) | 2019-11-18 | 2021-10-22 | 合肥京东方卓印科技有限公司 | Gate drive circuit, display device and repairing method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5729309A (en) * | 1995-12-05 | 1998-03-17 | Samsung Electronics Co., Ltd. | Liquid crystal display substrate having repair lines |
| CN1797141A (en) * | 2004-12-20 | 2006-07-05 | 凌阳科技股份有限公司 | LCD device of thin film transistor possessing function of restoring disconnection, and detection circuit with high impedance |
| CN201000518Y (en) * | 2006-11-29 | 2008-01-02 | 上海广电光电子有限公司 | LCD device capable of reducing signal delay of repair line |
-
2008
- 2008-08-19 CN CN2008101179899A patent/CN101655613B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5729309A (en) * | 1995-12-05 | 1998-03-17 | Samsung Electronics Co., Ltd. | Liquid crystal display substrate having repair lines |
| CN1797141A (en) * | 2004-12-20 | 2006-07-05 | 凌阳科技股份有限公司 | LCD device of thin film transistor possessing function of restoring disconnection, and detection circuit with high impedance |
| CN201000518Y (en) * | 2006-11-29 | 2008-01-02 | 上海广电光电子有限公司 | LCD device capable of reducing signal delay of repair line |
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| CN101655613A (en) | 2010-02-24 |
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