CN101581838A - Array substrate and repairing method - Google Patents
Array substrate and repairing method Download PDFInfo
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- CN101581838A CN101581838A CNA2008100375064A CN200810037506A CN101581838A CN 101581838 A CN101581838 A CN 101581838A CN A2008100375064 A CNA2008100375064 A CN A2008100375064A CN 200810037506 A CN200810037506 A CN 200810037506A CN 101581838 A CN101581838 A CN 101581838A
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- public electrode
- electrode wire
- data line
- wire
- array base
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Abstract
The invention discloses an array substrate and repairing method. The array substrate comprises a first public electric potential signal wire, a second public electric potential signal wire, a plurality of data wires and a plurality of first public electrode wires, each data wire corresponds to one first public electrode wire, the first public electrode wires are respectively communicated with the first public electric potential signal wire and the second public electric potential signal wire, each first public electrode wire is provided with a second public electrode wire communicated with the first public electrode wire, the second public electrode wires are respectively communicated with a first repairing cross wire and a second repairing cross wire, and the first repairing cross wire and the second repairing cross wire are both crossed with the data wires. The invention can keep a repaired peripheral public electrode pattern complete without lowering the supply capacity of public electrode current, reduces various bad displays caused by the reduction of the supply capacity, can reduce the time of laser welding and laser cutting during the reparation, improves the repairing rhythm in production, and saves the labor hour.
Description
Technical field
The present invention relates to a kind of array base palte, particularly relate to a kind of array base palte and restorative procedure in order to repair data line broken string.
Background technology
Thin Film Transistor-LCD (TFT-LCD) has become most widely used in the world panel display apparatus, form jointly by array base palte, colored filter substrate and the liquid crystal that riddles between these two substrates, regulate the polarisation of light direction to reach the purpose of display image by the orientation of the size decision liquid crystal molecule of extra electric field.
Mainly comprise pixel, sweep trace, data line, public electrode wire, distribution protected location, crimping electrode etc. in the present array base-plate structure, the schematic circuit diagram that is the array base palte of a kind of Thin Film Transistor-LCD of the prior art shown in Figure 1.
As shown in Figure 1, sweep trace G1, G2 ... Gn and public electrode wire COM are arranged parallel to each other, and both all stride across data line D1, D2 ... Dn and intersect with data line.This structure is at the opposite of sweep trace terminal one side and the sweep trace terminal one side importing of the public electrode wire in the viewing area simultaneously public electrode current potential.In each pixel, pixel electrode and public electrode form an electric capacity by the insulation course between the two, the memory capacitance of Here it is liquid crystal.
Public electrode wire COM in fact also can be designed to data line D1, D2 ... Dn is parallel, and as shown in Figure 2, both all stride across sweep trace G1, G2 ... Gn and intersect with sweep trace.
In existing Thin Film Transistor-LCD is produced, commonplace by the broken data wire phenomenon that all kinds of foreign matters in the clean room cause, so this is the problem that each production of liquid crystal displays producer strives for improvement.Often in this case, liquid crystal manufacturer all can introduce the method for repairing line and come the data line of broken string is repaired, to reach the purpose that improves yield.
At present a kind of repairs being designed to of line: repair line and be divided into two parts up and down, repair the outside cabling of line main line at sealing-in glue frame, during reparation data line and the point of crossing of repairing line are linked together by the logical means of Laser Welding (LBW), make the data line signal that can't descend to pass by repairing line from screen downside importing screen owing to break.
In the TFT-LCD array substrate structure based on prior art, general reparation line all need cut off or pass through peripheral common pattern of electrodes, like this, cause problems such as the current flowing scarce capacity of peripheral common pattern of electrodes or coupling capacitance be too big easily, thereby the display quality that causes liquid crystal display is bad.And the repair mode that line is repaired in this utilization generally all uses the logical means of Laser Welding (LBW), also can produce the problem that rhythm descends along with the increase of repairing point of repairing in actual volume production.
Summary of the invention
The technical problem to be solved in the present invention is need cut off or pass through peripheral common pattern of electrodes and the logical frequent defective of number of times of Laser Welding (LBW) in order to overcome prior art, providing a kind of can keep peripheral common pattern of electrodes complete when repairing, and can reduce the array base palte and the restorative procedure of the logical and breaks of Laser Welding (LBW) again.
The present invention solves above-mentioned technical matters by following technical proposals: a kind of array base palte, it comprises one first common potential signal wire, one second common potential signal wire, many data lines and many first public electrode wires, and every above-mentioned data line is all corresponding to above-mentioned first public electrode wire, this first public electrode wire is communicated with this first common potential signal wire and this second common potential signal wire respectively, its characteristics are, every above-mentioned first public electrode wire is equipped with second public electrode wire that is interconnected with it, this second public electrode wire repairs cross spider with one first respectively and one second reparation cross spider is communicated with, and this first reparation cross spider and this second reparation cross spider all intersect with this first public electrode wire corresponding data line.
Wherein, this first public electrode wire has a part that is interconnected in data line terminal one side of this array base palte and a relative side of data line terminal respectively with this second public electrode wire.
Wherein, this second public electrode wire is communicated with in the contact hole mode with this first reparation cross spider and this second reparation cross spider respectively.
Wherein, the width of this first public electrode wire is greater than the width of this second public electrode wire.
Another technical scheme of the present invention is: a kind of method of repairing above-mentioned array base palte, and when broken string took place a data line, its characteristics were that it may further comprise the steps:
S
1, use checkout equipment to find the data line that broken string takes place, and pairing first public electrode wire of this data line, second public electrode wire, first of confirming to take place broken string are repaired cross spider and second and are repaired cross spider;
S
2, in data line terminal one side of array base palte, with the part that is interconnected between this first public electrode wire of laser cutting and this second public electrode wire;
S
3, with logical this first this data line repairing cross spider and broken string takes place of Laser Welding (LBW), make the signal of this data line import this second public electrode wire;
S
4, in the relative side of the data line terminal of array base palte, with the part that is interconnected between this first public electrode wire of laser cutting and this second public electrode wire;
S
5, with logical this second this data line repairing cross spider and broken string takes place of Laser Welding (LBW), make signal import this data line again from this second public electrode wire.
Positive progressive effect of the present invention is: this technical scheme has become the reparation line to the part of public electrode wire, so not only making reparation finish the rear perimeter edge common pattern of electrodes can be kept perfectly, thereby can not reduce the supply capacity of public electrode electric current, it is bad to greatly reduce the various demonstrations that cause thus then; And use this array base-plate structure can also reduce the number of times of the logical and laser cutting of Laser Welding (LBW) in the repair process, thus improve the reparation rhythm in the volume production, save man-hour.
Description of drawings
Fig. 1 is the schematic circuit diagram (public electrode wire is parallel with sweep trace) of existing array base palte.
Fig. 2 is the schematic circuit diagram (public electrode wire is parallel with data line) of existing array base palte.
Fig. 3 is the wiring synoptic diagram of public electrode wire in the array base palte of the present invention.
Fig. 4 is the wiring synoptic diagram of the public electrode wire of data line terminal one side in the array base palte of the present invention.
Fig. 5 is the organigram of pixel in the array base palte of the present invention.
Fig. 6 is the wiring synoptic diagram of public electrode wire of a relative side of data line terminal in the array base palte of the present invention.
Fig. 7 is the public electrode wire of a relative side of data line terminal in the array base palte of the present invention and the connection diagram of the second common potential signal wire.
Fig. 8 is the schematic diagram of the method for repair data line broken string of the present invention.
Embodiment
Provide preferred embodiment of the present invention below in conjunction with accompanying drawing, to describe technical scheme of the present invention in detail.
In order to solve above-mentioned defective of the prior art, the invention provides a kind of array base palte, in this array base palte, every data line is corresponding to one first public electrode wire, and every first public electrode wire is equipped with second public electrode wire that is interconnected with it, and all public electrode wires and data line are by a layer metal manufacturing together, repair line by logical second public electrode wire being used as of Laser Welding (LBW) with laser cutting, can repair the corresponding data line that broken string takes place, can avoid existing cut-out again simultaneously or pass through the demonstration that peripheral common pattern of electrodes causes bad.
As shown in Figure 3, described data line 1 and first public electrode wire 3, second public electrode wire 4 are arranged parallel to each other, and the while all strides across sweep trace and intersects with sweep trace.The required current potential of first public electrode wire 3 and second public electrode wire 4 imports viewing area 13 respectively by a relative side 8 of data line terminal one side 7 and data line terminal.In data line terminal one side 7, the public electrode current potential from portion of terminal is used as on second metal level of public electrode wire via importing behind the contact hole by the first metal layer on glass earlier again.Described contact hole is by the via hole on the via hole on the first metal layer, second metal level and be covered in two transparency conducting layers on the via hole respectively and constitute jointly.In a relative side 8 of data line terminal, the public electrode current potential from portion of terminal is directly imported as on second metal level of public electrode wire by panel periphery second metal level on glass.
Wherein the public electrode line structure of each pixel comprises one first public electrode wire 3 and one second public electrode wire 4.The effect of first public electrode wire 3 is the memory capacitance that provides liquid crystal display to use to pixel fully, in data line terminal one side 7, this first public electrode wire 3 is communicated with by the mode of contact hole and the first common potential signal wire 2 of the first metal layer, second public electrode wire 4 is then repaired cross spider 6 in contact hole mode and one first and is communicated with, and this first public electrode wire 3 has a part that is interconnected with this second public electrode wire 4 in this side.Relative side 8 at the data line terminal, this first public electrode wire 3 directly is communicated with this second common potential signal wire 5 of this second metal level, this second public electrode wire 4 and one second is repaired cross spider 14 and is communicated with in the contact hole mode, and this first public electrode wire 3 also has a part that is interconnected with this second public electrode wire 4 in this side.
When broken data wire did not take place, second public electrode wire 4 played the effect of memory capacitance equally as public electrode wire.Under the situation that broken data wire takes place, in data line terminal one side 7, the part of at first using laser cutting second public electrode wire 4 and first public electrode wire 3 to be interconnected, the data line 1 that uses Laser Welding (LBW) logical first to repair cross spider 6 and take place to break then, data line signal is imported in second public electrode wire 4, cut off the part that second public electrode wires 4 and first public electrode wire 3 are interconnected in a relative side 8 of data line terminal, the data line 1 that uses Laser Welding (LBW) logical second to repair cross spider 14 and take place to break then, the data line 1 of 4 of second public electrode wires and required reparation is communicated with, to play the effect of reparation.
Figure 4 shows that the wiring synoptic diagram of the public electrode wire of array base palte data line terminal one side.First public electrode wire, 3 broads on the right also are communicated with by the mode of contact hole 9 and the first metal layer of formation gate patterns, promptly with 2 connections of the first common potential signal wire.And second public electrode wire 4 on the left side is narrower, and is communicated with by the mode of contact hole 9 with the first reparation cross spider 6 of data line 1 square crossing.First public electrode wire 3 plays a part to provide the public electrode current potential to pixel all the time; Second public electrode wire 4 can become the reparation line of data line 1 under certain condition; Repair cross spider 6 with data line 1 square crossing and with first of second public electrode wire, 4 connections, first of just so-called array base palte data line terminal one side 7 is repaired cross spider 6.
As shown in Figure 5, transparent pixels 10 and public electrode form memory capacitance in pixel, first public electrode wire 3 and the transparent pixels 10 that mainly are broad form, have only sub-fraction and transparent pixels 10 overlapping on the second narrower public electrode wire 4, guarantee that so not only pixel has enough memory capacitance, also can guarantee when the data line of broken string is repaired, can reduce signal time as much as possible and postpone.
As shown in Figure 6, downside at array base palte, the relative side 8 of data line terminal just, in zone near pixel region, first public electrode wire 3 and second public electrode wire 4 are interconnected again, wherein first public electrode wire 3 directly and by the second common potential signal wire 5 that second metal level forms is communicated with, and as shown in Figure 7, second public electrode wire 4 then still is communicated with by the mode of contact hole 9 with the second reparation cross spider 14 of data line 1 square crossing.
Figure 8 shows that the schematic diagram of the method for repair data line broken string of the present invention.When broken data wire takes place, can carry out the data line reparation according to following method:
S
1, use checkout equipment to find the data line that broken string takes place, and confirm that pairing first public electrode wire 3 of this data line, second public electrode wire 4, first that broken string takes place repair cross spider 6 and second and repair cross spider 14;
S
2, in data line terminal one side 7 of array base palte, with the part that is interconnected between this first public electrode wire 3 of laser cutting (place of incision is shown among Fig. 8 12) and this second public electrode wire 4;
S
3, with this first this data line 1 of repairing cross spider 6 and broken string taking place of Laser Welding (LBW) logical (the logical position of weldering is shown among Fig. 8 11), make the signal of this data line 1 import this second public electrode wire 4;
S
4, in the relative side 8 of the data line terminal of array base palte, with the part that is interconnected between this first public electrode wire 3 of laser cutting (place of incision is shown among Fig. 8 12) and this second public electrode wire 4;
S
5, with this second this data line 1 of repairing cross spider 14 and broken string taking place of Laser Welding (LBW) logical (the logical position of weldering is shown among Fig. 8 11), make signal import this data line 1 again from this second public electrode wire 4.
Though more than described the specific embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, under the prerequisite that does not deviate from principle of the present invention and essence, can make numerous variations or modification to these embodiments, for example:
1, can be made by the first metal layer sweep trace terminal one side of the peripheral common pattern of electrodes on the array base palte on substrate.
2, can play second public electrode wire of repair and by the reparation cross spider that the first metal layer forms lap is arranged but be not communicated with, make its connection by the logical mode of Laser Welding (LBW) during reparation.
3, the substrate upside is that data line terminal one side does not design the reparation cross spider, and the common potential signal wire also uses as repairing cross spider simultaneously.Because common electrode signal is from substrate both sides inputs,, can guarantee the storage capacitors that the pixel region of repairing has public electrode to provide equally so cut off the appropriate section of upside common potential signal wire when repairing.
4, can play second public electrode wire of repair only in the opposite of data line terminal one side or data line terminal one side ability and the connection of common potential signal wire.
Therefore, protection scope of the present invention is limited by appended claims.
Claims (5)
1, a kind of array base palte, it comprises one first common potential signal wire, one second common potential signal wire, many data lines and many first public electrode wires, wherein every above-mentioned data line is all corresponding to above-mentioned first public electrode wire, this first public electrode wire is connected with this first common potential signal wire and the second common potential signal wire respectively, it is characterized in that, every above-mentioned first public electrode wire is equipped with second public electrode wire that is interconnected with it, this second public electrode wire repairs cross spider with one first respectively and one second reparation cross spider is connected, and this first reparation cross spider and second is repaired cross spider and all intersected with this data line.
2, array base palte as claimed in claim 1 is characterized in that, this first public electrode wire has a part that is interconnected in data line terminal one side of this array base palte and a relative side of data line terminal respectively with this second public electrode wire.
3, array base palte as claimed in claim 1 is characterized in that, this second public electrode wire is communicated with in the contact hole mode with this first reparation cross spider and this second reparation cross spider respectively.
4, array base palte as claimed in claim 1 is characterized in that, the width of this first public electrode wire is greater than the width of this second public electrode wire.
5, a kind of method of repairing array base palte as claimed in claim 2 when broken string takes place a data line, is characterized in that it may further comprise the steps:
S
1, use checkout equipment to find the data line that broken string takes place, and pairing first public electrode wire of this data line, second public electrode wire, first of confirming to take place broken string are repaired cross spider and second and are repaired cross spider;
S
2, in data line terminal one side of array base palte, with the part that is interconnected between this first public electrode wire of laser cutting and this second public electrode wire;
S
3, with logical this first this data line repairing cross spider and broken string takes place of Laser Welding (LBW), make the signal of this data line import this second public electrode wire;
S
4, in the relative side of the data line terminal of array base palte, with the part that is interconnected between this first public electrode wire of laser cutting and this second public electrode wire;
S
5, with logical this second this data line repairing cross spider and broken string takes place of Laser Welding (LBW), make signal import this data line again from this second public electrode wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100375064A CN101581838A (en) | 2008-05-16 | 2008-05-16 | Array substrate and repairing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100375064A CN101581838A (en) | 2008-05-16 | 2008-05-16 | Array substrate and repairing method |
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| Publication Number | Publication Date |
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| CN101581838A true CN101581838A (en) | 2009-11-18 |
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| CNA2008100375064A Pending CN101581838A (en) | 2008-05-16 | 2008-05-16 | Array substrate and repairing method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017008446A1 (en) * | 2015-07-14 | 2017-01-19 | 京东方科技集团股份有限公司 | Array substrate, display apparatus, maintenance method and manufacturing method |
| WO2017041427A1 (en) * | 2015-09-08 | 2017-03-16 | 京东方科技集团股份有限公司 | Sub-pixel unit, array substrate and display apparatus |
| WO2019037298A1 (en) * | 2017-08-25 | 2019-02-28 | 惠科股份有限公司 | Method for correcting active matrix substrate and method for manufacturing display apparatus |
-
2008
- 2008-05-16 CN CNA2008100375064A patent/CN101581838A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017008446A1 (en) * | 2015-07-14 | 2017-01-19 | 京东方科技集团股份有限公司 | Array substrate, display apparatus, maintenance method and manufacturing method |
| US9995979B2 (en) | 2015-07-14 | 2018-06-12 | Boe Technology Group Co., Ltd. | Array substrate, display device, method for maintaining the same and method for manufacturing the same |
| WO2017041427A1 (en) * | 2015-09-08 | 2017-03-16 | 京东方科技集团股份有限公司 | Sub-pixel unit, array substrate and display apparatus |
| WO2019037298A1 (en) * | 2017-08-25 | 2019-02-28 | 惠科股份有限公司 | Method for correcting active matrix substrate and method for manufacturing display apparatus |
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Open date: 20091118 |