CN202939397U - Array substrate, liquid crystal panel, public electrodes and public electrode wire - Google Patents
Array substrate, liquid crystal panel, public electrodes and public electrode wire Download PDFInfo
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- CN202939397U CN202939397U CN 201220653517 CN201220653517U CN202939397U CN 202939397 U CN202939397 U CN 202939397U CN 201220653517 CN201220653517 CN 201220653517 CN 201220653517 U CN201220653517 U CN 201220653517U CN 202939397 U CN202939397 U CN 202939397U
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Abstract
The utility model discloses an array substrate, a liquid crystal panel, public electrodes and a public electrode wire. The problem that a success rate of repair of pixel defective points is low is solved. Working efficiency of the repair of the pixel defective points can be improved. The array substrate comprises a substrate, a grid line, a data line, a matrix via hole, a pixel electrode, the public electrode wire and a plurality of public electrodes, wherein the plurality of public electrodes are in electric connection with the public electrode wire, and the public electrode wire is provided with hollow-out portions which correspond to the public electrodes. According to the array substrate, the public electrode wire and source drain electrodes are cut to achieve the repair of the pixel defective points, the repair of the pixel defective points not only does not affect normal display of pixels around, but also ensures the situation that the matrix structure of the public electrode wire is not damaged, and effectively improves success rate of the repair of the pixel defective points.
Description
Technical field
The utility model relates to the display technique field, relates in particular to a kind of array base palte, liquid crystal panel, public electrode and public electrode wire.
Background technology
Liquid crystal display comprises the array base palte with the matrix form design, and the driving circuit that drives these array base paltes, realizes the deflection of liquid crystal molecule by the variation of liquid crystal cell internal electric field, thereby reaches display effect.(point that in the utility model, all can not normally be shown is referred to as bad point to bad point.) be exactly the pixel of unrepairable on LCD panel, its except artificial damage, be mostly that in process of production screen internal approach layer due to the speck position destroyed due to.
At present, the principle that the reparation of pixel bad point utilizes is that public electrode wire and pixel electrode are welded, while shutoff signal line is connected with pixel electrode, realize that public electrode and pixel electrode electric potential difference are zero, namely by controlling liquid crystal, allow it no longer deflect to realize bad point is become the purpose of dim spot.
But this of possible in theory kind of restorative procedure is due to technological problems, therefore success ratio is not high, its reason has following 2 points: (1) can't find pixel electrode from Thin Film Transistor (TFT) (Thin Film Transistor is abbreviated as TFT) when side is welded; (2) (thickness is about due to the interval that gate insulation layer and passivation layer are arranged between public electrode and pixel electrode
), and pixel electrode only has
So be difficult to realize the good welds of public electrode and pixel electrode, generally weld resistance is excessive, both can not form an equipotentiality body, still old voltage existence between public electrode and pixel electrode, will cause repairing failure like this, even run counter to desire, due to public electrode coupling pixel electrode, even shutoff signal line and pixel electrode is connected like this, the bad point reparation also can be failed, even often cause the pixel of repairing to continue after cutting off the electricity supply shinny, just dimmed gradually after a very long time.
The utility model content
The utility model embodiment provides a kind of array base palte, liquid crystal panel, public electrode and public electrode wire, the low problem of success ratio of repairing in order to solve pixel bad point in prior art, and can improve the work efficiency that the pixel bad point is repaired.
The utility model embodiment provides a kind of array base palte, comprise: substrate, grid line, data line, matrix via hole, pixel electrode, public electrode wire and a plurality of public electrode that is electrically connected to this public electrode wire, wherein, be provided with the empty section corresponding with each public electrode on described public electrode wire.
A kind of liquid crystal panel that the utility model embodiment provides comprises described array base palte.
The utility model embodiment provides a kind of public electrode wire, comprises for the body of conduction, is provided with the empty section corresponding with each public electrode on described body.
A kind of public electrode that the utility model embodiment provides comprises for the body of conduction, has the male part that is connected for described public electrode wire on described body.
The utility model embodiment has public electrode and the public electrode wire of special shape by structure, namely be provided with the empty section corresponding with each public electrode on public electrode wire, make follow-up when needs disconnect being connected of a certain public electrode and public electrode wire, it is more convenient to operate, for example can utilize the cut public electrode wire to realize repairing, so neither can affect the normal demonstration of bad point surrounding pixel, the matrix structure that can guarantee again public electrode wire is not destroyed, and has effectively improved the success ratio that the pixel bad point is repaired.
Description of drawings
Fig. 1 is array base palte integral planar schematic diagram;
Fig. 2 is the cut-open view along A ' in Fig. 1-A line;
Fig. 3 is other possible shape schematic diagram of ad hoc structure in public electrode wire;
Fig. 4 is the structural representation of completing public electrode composition technique;
Fig. 5 is the structural representation of completing grid line, gate electrode and public electrode wire composition technique;
Fig. 6 is the structural representation of completing active layer, data line, drain electrode, source electrode, TFT raceway groove composition technique;
Fig. 7 is for forming the structural representation after sub-pix connects via hole;
Fig. 8 is the cutting position structural representation that the pixel bad point is repaired public electrode wire;
Fig. 9 is the cutting position structural representation that common sub-pix bad point is repaired;
Figure 10 is the cutting position structural representation that matrix sub-pix bad point is repaired.
Embodiment
The utility model embodiment provides a kind of array base palte, liquid crystal panel, public electrode and public electrode wire, the low problem of success ratio of repairing in order to solve pixel bad point in prior art, and can improve the work efficiency that the pixel bad point is repaired.
The top plan view of a kind of array base palte that the utility model embodiment provides as shown in Figure 1, the cut-away section structure as shown in Figure 2, this sectional view is dotted line A ' in Fig. 1-corresponding section of structure in A position, helps better to understand position relationship between the each several part structure in conjunction with this sectional view.
Can find out from Fig. 1 and Fig. 2, this array base palte comprises substrate 1, grid line 4, gate insulation layer 5, data line 6, passivation layer 7, matrix via hole 8 and pixel electrode 9, public electrode wire 3 and a plurality of public electrodes 2 that are connected with this public electrode wire 3, wherein, be provided with the empty section 11 corresponding with the male part 10 in each public electrode 2 on described public electrode wire 3.
Better, the described spill that is shaped as of emptying section 11, the shape of certainly emptying section 11 also can be other shape, for example triangle shown in Figure 3, perhaps also can be circle, rectangle etc.
Better, when empty section 11 be shaped as spill the time, in described public electrode 2, the partial shape that is connected with public electrode wire 3 is convex, the spill of emptying section in this convex and public electrode wire 3 is corresponding, and the lateral length of described spill inboard is greater than the lateral length of described convex projection, spill empty the section zone with public electrode without overlapping, make part that described public electrode protrudes be positioned at the part that falls in of the corresponding section that empties, as shown in Figure 1.
Better, as shown in Figure 1, described public electrode wire 3 laterally distributes on substrate.
Below in conjunction with accompanying drawing, the technical scheme that the utility model embodiment provides is carried out concrete illustrating.
The making of the array base palte in the utility model embodiment mainly comprises:
Step 1: deposit common electrode layer on substrate 1, form the public electrode 2 with male part 10 by composition technique, its shape can be with reference to figure 4.The design of these public electrode 2 shapes is to be convenient to carry out cut in order to repair, and having guaranteed does not simultaneously affect the common electrode signal transmission after cutting.
Step 2: deposition grid metallic film on the substrate of completing public electrode composition technique, then form the public electrode wire 3 that comprises grid line 4 and have the section of emptying 11 by composition technique at this thin layer, can find out from structure shown in Figure 5, empty the spill that is shaped as of section 11 in public electrode wire 3.
Step 3: in conjunction with Fig. 2 and Fig. 6, can find out deposition gate insulation layer 5 on the substrate of completing steps two, metallic film is leaked in semiconductive thin film, doped semiconductor films and source, then by composition technique, forms the figure that comprises data line 6, drain electrode, source electrode, TFT raceway groove.
Step 4: deposit passivation layer 7 on the substrate of completing steps three, form several shapes via pattern as shown in Figure 7 by composition technique, the via hole effect that wherein is positioned at the sub-pix lower left corner is to be connected to two public electrodes adjacent on column direction, the shape of this via hole can be matrix via hole 8, certainly, also can be designed as circle, triangle or the shape such as trapezoidal according to the actual design needs; Public electrode adjacent on column direction connects by matrix via hole 8, forms reticulate texture; Formed each sub-pix of public electrode that links together by described matrix via hole 8 is called the matrix sub-pix.The effect of matrix via hole is in order to guarantee the stable of common electrode signal, because each sub-pix bottommost has a public electrode, and the electric signal of public electrode derives from the public electrode wire that covers above it, on business the common-battery polar curve is cross direction profiles again, for the conducting of signal is also arranged on vertical, cross pore structure so just made matrix, make public electrode become a reticulate texture, be convenient to the transmission of electric signal on all directions.Need to prove, needs according to actual design, can optionally adopt the mode of above-mentioned via hole to connect the some or all of corresponding public electrode of sub-pix adjacent on column direction, as shown in Figure 1, in figure the left and right two row sub-pixs in, the one corresponding public electrode of row sub-pix in left side does not adopt above-mentioned via hole mode to connect on column direction, and this sub-pix is called common sub-pix; The one row sub-pix on right side adopts above-mentioned via hole mode to connect at column direction, and this sub-pix is called the matrix sub-pix.
Step 5: pixel deposition electrode film on the substrate of completing steps four, make pixel electrode, form a complete array base palte as shown in Figure 1, the pectination pixel electrode 9 that forms by composition technique as seen from Figure 1.
By above-mentioned each step, can form being convenient to described in the utility model embodiment and improve the array base palte that the pixel bad point is repaired success ratio.
How the utility model embodiment also repairs the pixel bad point is described, and this rebuilding instruction is that corresponding array base palte described in the utility model uses.The ultimate principle of pixel bad point reparation makes between pixel electrode 9 and public electrode 2 exactly can not form voltage, and liquid crystal molecule can't deflection, and bad point becomes dim spot, thereby reaches the purpose of reparation.In the array base palte that the utility model embodiment provides, the bad point reparation is still to utilize this principle, but the complete difference of means and the existing technology of repairing.Bad point reparation in the utility model is with the public electrode wire 3 of emptying section by cutting, cut off public electrode wire and the overlapping part of public electrode and be connected being connected of public electrode wire, the transmission of blocking-up public electrode 2 power on signal, making does not have voltage to form between public electrode 2 and pixel electrode 9, thereby reaches the purpose that bad point is repaired.In pixel of the present utility model, when the pixel bad point occurs, mainly to utilize cut to cover the public electrode wire with special construction 3 on public electrode, make connected public electrode no longer receive electric signal, Fig. 8 has provided concrete cutting position, and dotted line L1, the L2 in figure, L3, L4 position is the exact position of cutting; Concrete cutting method is to utilize the laser incising eating away to be positioned at the public electrode wire that spill is emptied the both sides of the below of section, public electrode male part, the overlapping part of public electrode wire and public electrode and whole public electrode wire are disconnected, thereby cut off the connection between public electrode 2 and public electrode wire 3; If bad point is common sub-pix point, also need simultaneously to cut the source electrode tip of the TFT that is connected with this sub-pix or electric leakage extremely with being connected of data line, make the electric signal of data line end can not transfer to this sub-pix.Provided the position of cutting in Fig. 9, the dotted line L5 position in figure is the exact position of cutting; If bad point is the matrix sub-pix, also need the source electrode tip of the TFT that cutting simultaneously is connected with this sub-pix or being connected of leak electricity extreme and data line, and matrix via hole 8 places are used for connecting the conductive film 12 of coupled sub-pix, cutting position please refer to Figure 10, dotted line L6 and the L7 position exact position for cutting in figure.
The utility model embodiment also provides a kind of liquid crystal panel, and this liquid crystal panel comprises above-mentioned array base palte.
The utility model embodiment provides a kind of public electrode wire 3 as shown in Figure 5, comprises for the body of conduction, wherein, is provided with the empty section 11 corresponding with each public electrode on described body; Better, the described spill that is shaped as of emptying section 11, the shape of certainly emptying section 11 also can be other shapes, for example triangle shown in Figure 3, perhaps also can be circle, rectangle etc.By utilizing this public electrode wire 3 with emptying section 11 of cut, can block the transmission of electric signal between public electrode wire 3 and public electrode 2, make between public electrode 2 and pixel electrode 9 and can not form voltage, liquid crystal can't deflection, the dimmed point of bad point reaches the purpose that the pixel bad point is repaired.
A kind of public electrode 2 as shown in Figure 4 that the utility model embodiment provides comprises for the body of conduction, wherein, has the male part 10 that is connected for described public electrode wire on described body.This structure with male part is convenient to carry out cut when the pixel bad point is repaired, and does not affect the signal transmission of other public electrode after guaranteeing to cut.
Obviously, those skilled in the art can carry out various changes and modification and not break away from spirit and scope of the present utility model the utility model.Like this, if within of the present utility model these are revised and modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model also is intended to comprise these changes and modification interior.
Claims (10)
1. array base palte, comprise: substrate, grid line, data line, matrix via hole, pixel electrode, public electrode wire and a plurality of public electrode that is electrically connected to this public electrode wire is characterized in that: be provided with the empty section corresponding with each public electrode on described public electrode wire.
2. array base palte as claimed in claim 1, is characterized in that the described spill that is shaped as of emptying section.
3. array base palte as claimed in claim 2, it is characterized in that, the part that described public electrode is connected with public electrode wire be shaped as convex, empty the formed spill of section in this convex and public electrode wire corresponding, make the part that described public electrode protrudes be positioned at the corresponding formed part that falls in of the section that empties.
4. array base palte as claimed in claim 1, is characterized in that, described section and the public electrode emptied is without overlapping.
5. array base palte as claimed in claim 1, is characterized in that, described public electrode wire is parallel to the grid line direction at substrate and distributes.
6. array base palte as claimed in claim 1, is characterized in that, vertically goes up adjacent public electrode and be electrically connected to by the matrix via hole in the vertical, forms reticulate texture.
7. a liquid crystal panel, is characterized in that, this liquid crystal panel comprises as the described array base palte of claim 1-6 any one.
8. a public electrode wire, comprise for the body of conduction, it is characterized in that, is provided with the empty section corresponding with each public electrode on described body.
9. public electrode wire as claimed in claim 8, is characterized in that the described spill that is shaped as of emptying section.
10. a public electrode, comprise for the body of conduction, it is characterized in that having the male part that is connected for the described public electrode wire of claim 8 or 9 on described body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220653517 CN202939397U (en) | 2012-11-30 | 2012-11-30 | Array substrate, liquid crystal panel, public electrodes and public electrode wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220653517 CN202939397U (en) | 2012-11-30 | 2012-11-30 | Array substrate, liquid crystal panel, public electrodes and public electrode wire |
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| CN202939397U true CN202939397U (en) | 2013-05-15 |
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| CN 201220653517 Expired - Lifetime CN202939397U (en) | 2012-11-30 | 2012-11-30 | Array substrate, liquid crystal panel, public electrodes and public electrode wire |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105321981A (en) * | 2014-08-01 | 2016-02-10 | 三星显示有限公司 | Display device and method for manufacturing the same |
| CN109613772A (en) * | 2019-01-03 | 2019-04-12 | 京东方科技集团股份有限公司 | Display base plate and its manufacturing method, restorative procedure, display device |
| CN111176042A (en) * | 2020-03-18 | 2020-05-19 | 京东方科技集团股份有限公司 | Array substrate and display device |
-
2012
- 2012-11-30 CN CN 201220653517 patent/CN202939397U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105321981A (en) * | 2014-08-01 | 2016-02-10 | 三星显示有限公司 | Display device and method for manufacturing the same |
| CN105321981B (en) * | 2014-08-01 | 2021-01-22 | 三星显示有限公司 | Display device and method for manufacturing the same |
| CN109613772A (en) * | 2019-01-03 | 2019-04-12 | 京东方科技集团股份有限公司 | Display base plate and its manufacturing method, restorative procedure, display device |
| US11131893B2 (en) | 2019-01-03 | 2021-09-28 | Beijing Boe Display Technology Co., Ltd. | Display substrate and manufacturing method, repairing method thereof, and display apparatus |
| CN109613772B (en) * | 2019-01-03 | 2021-12-10 | 京东方科技集团股份有限公司 | Display substrate, manufacturing method and repairing method thereof and display device |
| CN111176042A (en) * | 2020-03-18 | 2020-05-19 | 京东方科技集团股份有限公司 | Array substrate and display device |
| WO2021184906A1 (en) * | 2020-03-18 | 2021-09-23 | 京东方科技集团股份有限公司 | Array substrate and display device |
| CN111176042B (en) * | 2020-03-18 | 2021-12-28 | 京东方科技集团股份有限公司 | Array substrate and display device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130515 |
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| CX01 | Expiry of patent term |