CN203773185U - Array substrate, liquid crystal panel and display device - Google Patents
Array substrate, liquid crystal panel and display device Download PDFInfo
- Publication number
- CN203773185U CN203773185U CN201420057416.2U CN201420057416U CN203773185U CN 203773185 U CN203773185 U CN 203773185U CN 201420057416 U CN201420057416 U CN 201420057416U CN 203773185 U CN203773185 U CN 203773185U
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- CN
- China
- Prior art keywords
- patch cord
- liquid crystal
- crystal panel
- array base
- base palte
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 37
- 239000000758 substrate Substances 0.000 title abstract description 7
- 230000008439 repair process Effects 0.000 abstract description 9
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 10
- 238000012360 testing method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 3
- 230000006353 environmental stress Effects 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
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- Liquid Crystal (AREA)
Abstract
The utility model discloses an array substrate, a liquid crystal panel and a display device. The array substrate comprises a display region, a non-display region and a repair line contact unit, wherein the non-display region is arranged around the display region, a repair line is arranged in the non-display region, and the repair line contact unit is arranged in the non-display region, connected with the repair line and used for transmitting voltage signals to other contact units or receiving voltage signals transmitted by other contact units. Therefore, short failure between the repair line and other lines can be detected, and a detection device can detect short failure among all the lines of the liquid crystal panel. The utility model further discloses the liquid crystal panel with the array substrate and the display device with the liquid crystal panel.
Description
Technical field
The utility model relates to technical field of liquid crystal display, particularly a kind of array base palte, liquid crystal panel and display device.
Background technology
ESS(Environment stress screen environmental stress screening): be a kind of process means, by apply rational environmental stress and electric stress to electronic product, at the minimum production commitment of testing cost, the latent defect of electronic product inside is accelerated to become fault the process of being found and being fixed a breakdown by check.
Liquid crystal indicator comprises array base palte and color membrane substrates, and array base palte and color membrane substrates are to box the liquid crystal panel of filling liquid crystal formation therein.Generally, on array base palte, be provided with grid line, data line (Data line) and public electrode wire (Common line), sweep trace and data line intersection are divided into a plurality of sub-pixel area by array base palte, and in sub-pixel area, correspondence is provided with pixel electrode; On color membrane substrates, be provided with public electrode, public electrode is connected with the public electrode wire on array base palte.
Because grid line, data line and public electrode wire have intersection, therefore, in point of crossing, place is easily short-circuited.Before liquid crystal panel dispatches from the factory, before generally will dispatching from the factory, check, wherein just comprise the detection of above-mentioned point of crossing being located to whether short circuit, conventionally adopt ESS test.
Please refer to Fig. 1, Fig. 1 is the schematic diagram of array base palte short-circuit detecting in prior art.
As shown in Figure 1, when liquid crystal panel designs, data line (Date) is divided into odd data line (Data Odd, be called for short DO) and even data line (Data Even, vehicle economy), and increase an additional p-wire (ADD) at data line (Data) end, add grid line (Gate) and public electrode wire (Com), have five groups of lines altogether, each group line is all connected with a contact point unit (PAD), obtains so altogether five PAD:DO PAD, DE PAD, Gate PAD, ADD PAD, Com PAD.When detecting, different PAD are according to certain sequential on-load voltage signal, be the disposable PAD on-load voltage signal that only has, for example DO PAD end load signal, then tests respectively all the other four PAD and holds whether there is signal reception, for example at Gate PAD end, having signal receives, calculate the resistance value between DO PAD and Gate PAD, the threshold value of this resistance value and setting is contrasted, resistance value is lower than threshold value, judge and have poor short circuit between the two, otherwise think qualified.
In test, when being short-circuited between the circuit of two intersections, for example public electrode wire and data line a certain point of crossing place's short circuit, the restorative procedure generally adopting is at present: the periphery in the viewing area 1 of liquid crystal panel arranges patch cord 2, data line is cut off in both sides, point of crossing, then by not having one end of the data line of signal input to be connected on patch cord 2, patch cord 2 is connected to as data line provides on the circuit board of signal, thereby repairs the data line being short-circuited.
Known by foregoing description, the design of current liquid crystal panel, the design not detecting for patch cord 2, therefore, poor short circuit between patch cord 2 and All other routes just can not effectively detect, and such poor short circuit incidence is relatively high, once detection department can not well detect, keep in repair, the quality of product will be badly influenced.
Therefore, how providing a kind of array base palte, can realize checkout equipment the poor short circuit between all circuits of liquid crystal panel is detected, is the technical matters that those skilled in the art need solution badly.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of array base palte, can realize checkout equipment the poor short circuit between all circuits of liquid crystal panel is detected.
The technical scheme that solution the utility model technical matters adopts is: a kind of array base palte, comprise viewing area, be arranged on described viewing area non-display area around, in described non-display area, be provided with patch cord, also comprise the patch cord contact point unit that can send or accept voltage signal that is arranged on described non-display area and is connected with described patch cord.
Preferably, in above-mentioned array base palte, described patch cord is many, and described patch cord contact point unit is connected respectively with many described patch cords.
Preferably, in above-mentioned array base palte, described patch cord is many, and described patch cord contact point unit is a plurality of, and described patch cord contact point unit is connected one by one with described patch cord.
Preferably, in above-mentioned array base palte, described patch cord is two.
Preferably, in above-mentioned array base palte, described patch cord annular is around being arranged in described non-display area.
The beneficial effects of the utility model are:
The array base palte that the utility model provides, comprise viewing area, be arranged on viewing area non-display area around, in non-display area, be provided with patch cord, also comprise the patch cord contact point unit that is arranged on non-display area and is connected with this patch cord, by this patch cord contact point unit, can send voltage signal to other contact point unit, or accept the voltage signal that other contact point unit are sent here.Therefore, can the poor short circuit between patch cord and All other routes be detected, thereby realize checkout equipment, the poor short circuit between all circuits of liquid crystal panel is detected.
The invention also discloses a kind of liquid crystal panel, comprise array base palte, and array base palte is above-mentioned array base palte, because above-mentioned array base palte has above-mentioned technique effect, the yield of liquid crystal panel with above-mentioned array base palte is higher.
The invention also discloses a kind of display device, comprise liquid crystal panel, liquid crystal panel is above-mentioned liquid crystal panel, and because above-mentioned liquid crystal panel has above-mentioned technique effect, the display device with above-mentioned liquid crystal panel also should have identical technique effect.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of array base palte short-circuit detecting in prior art;
The schematic diagram of the array base palte short-circuit detecting that Fig. 2 provides for the utility model embodiment;
In Fig. 3 test, be without the schematic diagram of poor short circuit between two circuits;
In Fig. 4 test, be between two circuits, to have the schematic diagram of poor short circuit.
In upper figure, the corresponding relation of Reference numeral and component names is:
1 viewing area; 2 patch cords; R test resistance value; R ' threshold value.
Embodiment
For making those skilled in the art understand better the technical solution of the utility model, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Please refer to Fig. 2, the schematic diagram of the array base palte short-circuit detecting that Fig. 2 provides for the utility model embodiment.
Wherein, patch cord (Repair line) contact point unit (PAD) is RP.
As shown in Figure 2, the array base palte that the utility model provides, comprise viewing area, be arranged on viewing area non-display area around, in non-display area, be provided with patch cord, also comprise and be arranged in non-display area and the patch cord contact point unit being connected with this patch cord, by this patch cord contact point unit, can send voltage signal to other contact point unit, or accept the voltage signal that other contact point unit are sent here.Therefore, can the poor short circuit between patch cord and All other routes be detected, thereby realize checkout equipment, the poor short circuit between all circuits of liquid crystal panel is detected.
Please refer to Fig. 3 and Fig. 4, is without the schematic diagram of poor short circuit in Fig. 3 test between two circuits; In Fig. 4 test, be between two circuits, to have the schematic diagram of poor short circuit.
The measuring method of the array base palte poor short circuit that particularly, the utility model provides is as follows:
Choose arbitrarily two circuits as measurement circuit, therein on-load voltage signal in the contact point unit of a measurement circuit; Whether detect in the contact point unit of another measurement circuit has signal to receive.Known, if there is no poor short circuit between two measurement circuits, in the contact point unit of a measurement circuit after on-load voltage signal, the contact point unit of another measurement circuit just should not have signal to receive so.
Choosing patch cord and data line is measuring circuit, so can be at patch cord contact point unit RP end input voltage signal, if the input of this voltage signal can detect at the contact point unit DO of data line PAD or DE PAD end, illustrate between two circuits and may have poor short circuit; Need further to measure the resistance value between these two contact point unit, i.e. measured resistance value R, and this measured resistance value R and threshold value R ' are compared, if be less than threshold value R ', there is poor short circuit between the two in judgement; Otherwise think qualified.
Because patch cord contact point unit can send voltage signal, also can accept the voltage signal that other contact point unit are sent here, therefore, also can test conversely.At contact point unit DO or the DE end input voltage signal of data line, at patch cord contact point unit RP end, detect and whether have voltage signal to receive.
In a kind of embodiment of the utility model, patch cord is many, and patch cord contact point unit is connected respectively with many patch cords, and many patch cords are all connected with a contact point unit; Certainly be also not limited to this form, in the another kind of embodiment of the utility model, patch cord is many, and patch cord contact point unit is a plurality of, and patch cord contact point unit is corresponding connected one by one with patch cord.
The number of above-mentioned patch cord is not limited to, and in a kind of embodiment of the utility model, is specially two, and patch cord contact point unit is connected respectively at above-mentioned two patch cords.
Further, above-mentioned patch cord annular is around being arranged in above-mentioned non-display area, this annular around set-up mode there is horizontal wiring and longitudinally wiring simultaneously, thereby make to be short-circuited between circuit when bad, repair more easily.
The invention also discloses a kind of liquid crystal panel, comprise array base palte, and array base palte is above-mentioned array base palte, because above-mentioned array base palte has above-mentioned technique effect, the yield of liquid crystal panel with above-mentioned array base palte is higher.
The invention also discloses a kind of display device, comprise liquid crystal panel, liquid crystal panel is above-mentioned liquid crystal panel, and because above-mentioned liquid crystal panel has above-mentioned technique effect, the display device with above-mentioned liquid crystal panel also should have identical technique effect.
Be understandable that, above embodiment is only used to principle of the present utility model is described and the illustrative embodiments that adopts, yet the utility model is not limited to this.For those skilled in the art, in the situation that not departing from spirit of the present utility model and essence, can make various modification and improvement, these modification and improvement are also considered as protection domain of the present utility model.
Claims (7)
1. an array base palte, comprise viewing area, be arranged on described viewing area non-display area around, in described non-display area, be provided with patch cord, it is characterized in that, also comprise the patch cord contact point unit that is arranged on described non-display area and can sending of being connected with described patch cord or receiver voltage signal.
2. array base palte according to claim 1, is characterized in that, described patch cord is many, and described patch cord contact point unit is connected respectively with many described patch cords.
3. array base palte according to claim 1, is characterized in that, described patch cord is many, and described patch cord contact point unit is a plurality of, and described patch cord contact point unit is corresponding connected one by one with described patch cord.
4. according to the array base palte described in claim 2-3 any one, it is characterized in that, described patch cord is two.
5. array base palte according to claim 4, is characterized in that, described patch cord annular is around being arranged in described non-display area.
6. a liquid crystal panel, comprises array base palte, it is characterized in that, described array base palte is the array base palte described in claim 1-5 any one.
7. a display device, comprises liquid crystal panel, it is characterized in that, described liquid crystal panel is liquid crystal panel claimed in claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420057416.2U CN203773185U (en) | 2014-01-29 | 2014-01-29 | Array substrate, liquid crystal panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420057416.2U CN203773185U (en) | 2014-01-29 | 2014-01-29 | Array substrate, liquid crystal panel and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203773185U true CN203773185U (en) | 2014-08-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420057416.2U Expired - Lifetime CN203773185U (en) | 2014-01-29 | 2014-01-29 | Array substrate, liquid crystal panel and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203773185U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106444189A (en) * | 2016-10-13 | 2017-02-22 | 京东方科技集团股份有限公司 | Array substrate, detection method thereof and display device |
-
2014
- 2014-01-29 CN CN201420057416.2U patent/CN203773185U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106444189A (en) * | 2016-10-13 | 2017-02-22 | 京东方科技集团股份有限公司 | Array substrate, detection method thereof and display device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140813 |
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| CX01 | Expiry of patent term |