CN101533593B - A liquid crystal display panel with short-circuit rods sharing array detection and panel detection - Google Patents
A liquid crystal display panel with short-circuit rods sharing array detection and panel detection Download PDFInfo
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- CN101533593B CN101533593B CN2009101113519A CN200910111351A CN101533593B CN 101533593 B CN101533593 B CN 101533593B CN 2009101113519 A CN2009101113519 A CN 2009101113519A CN 200910111351 A CN200910111351 A CN 200910111351A CN 101533593 B CN101533593 B CN 101533593B
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Abstract
The invention relates to a liquid crystal panel using short-circuit rod detection, in particular to a liquid crystal display panel with short-circuit rods sharing array detection and panel detection. The liquid crystal display panel comprises a panel area, multiple short-circuit rods, multiple panel testing pads and multiple array testing pads. The panel area comprises multiple scanning lines and multiple data lines. The multiple short-circuit rods are arranged in the panel area. The multiple scanning lines and the multiple data lines are electrically connected to the short-circuit rods corresponding to the multiple short-circuit rods by a switching circuit. The multiple panel testing pads are arranged in the panel area. The multiple panel testing pads are respectively electrically connected to the multiple short-circuit rods. The multiple array testing pads are arranged outside the panel area. The multiple array testing pads are electrically connected to the panel testing pads corresponding to the multiple panel testing pads. The liquid crystal display panel has a compact structure and good usage effect.
Description
Technical field
The present invention relates to a kind of display panels that uses short-circuit rods to detect, particularly a kind of display panels with array detection and the shared short-circuit rods of panel detection.
Background technology
Please refer to Fig. 1, Fig. 1 is the testing cushion synoptic diagram that the array of the display panels of prior art detects.The manufacturing of display panels 100 comprises array (array) processing procedure, panel (panel) processing procedure and module (module) processing procedure, can test to get rid of defective products after each processing procedure finishes.Array detects and comprises full-contact (full contact) detection and short-circuit rods (shorting bar) detection, and the testing cushion 130 that short-circuit rods detects is arranged at outside the panel area 110 of display panels 100.Full-contact detects each bar sweep trace and each bar data line is electrically connected a testing cushion 120 respectively, contacts each testing cushion 120 with probe (probe) again, and applies the required signal of detection.Therefore, full-contact detects in the making of checkout equipment, and except the easy fault because of the stitch One's name is legion of probe, the checkout equipment of the display panels of different size also can't be shared.
As shown in Figure 1, short-circuit rods detects sweep trace is divided into odd number bar sweep trace and even number bar sweep trace, all odd number bar sweep traces are electrically connected at same short-circuit rods, described short-circuit rods is electrically connected at testing cushion GO, all even number bar sweep traces are electrically connected at same short-circuit rods, and described short-circuit rods is electrically connected at testing cushion GE.Similarly, data line also is divided into odd number bar data line and even number bar data line, is electrically connected on testing cushion DO and DE respectively.When using short-circuit rods to carry out the array detection,, can reduce the stitch quantity of probe, and the checkout equipment of display panels 100 can be shared as long as with probe engaged test pad GO, GE, DO and DE.Yet,, therefore can utilize an on-off circuit to switch full-contact detection and short-circuit rods detection owing to the testing result that full-contact detects is good than the short-circuit rods detection.Described on-off circuit comprises that the control end of one first group of switch 151 and 152, the first groups of switches 151 of one second group of switch is electrically connected at testing cushion DSW, and the control end of second group of switch 152 is electrically connected at testing cushion GSW.When described on-off circuit is opened, use short-circuit rods to detect and carry out the array test, when described on-off circuit cuts out, use full-contact to detect and carry out the array test.
Please refer to Fig. 2, Fig. 2 is the testing cushion synoptic diagram of panel detection of the display panels of prior art.The testing cushion 160 of panel detection is arranged within the panel area 110 of display panels.Panel detection uses short-circuit rods to detect, and when carrying out panel detection, except data line being divided into odd number bar data line and even number bar data line, the signal of red R, green G and blue B data line also will separate.First short-circuit rods 161 is electrically connected at odd number bar red data line, second short-circuit rods 162 is electrically connected at odd number bar green data line, the 3rd short-circuit rods 163 is electrically connected at odd number bar blue data line, the 4th short-circuit rods 164 is electrically connected at even number bar red data line, the 5th short-circuit rods 165 is electrically connected at even number bar green data line, the 6th short-circuit rods 166 is electrically connected at even number bar blue data line, the 7th short-circuit rods 167 is electrically connected at odd number bar sweep trace, and the 8th short-circuit rods 168 is electrically connected at even number bar sweep trace.Short-circuit rods is electrically connected on sweep trace and data line by an on-off circuit.Described on-off circuit comprises that the control end of one first group of switch 171 and 172, the first groups of switches 171 of one second group of switch is electrically connected at testing cushion DSW, and the control end of second group of switch 172 is electrically connected at testing cushion GSW.Described on-off circuit is only opened when carrying out panel detection.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, a kind of display panels with array detection and the shared short-circuit rods of panel detection is provided, this structure of liquid crystal display panel compactness, result of use is good.
For realizing above-mentioned purpose, the invention provides a kind of display panels with array detection and the shared short-circuit rods of panel detection.Described display panels comprises a panel area, a plurality of short-circuit rods, a plurality of panel test pad and a plurality of array testing cushion; Described panel area comprises a plurality of sweep traces and a plurality of data lines; Described a plurality of short-circuit rods are arranged within the described panel area, and described a plurality of sweep traces and described a plurality of data lines are electrically connected at the short-circuit rods of the correspondence of described a plurality of short-circuit rods via an on-off circuit; Described a plurality of panel test pad is arranged within the described panel area, and described a plurality of panel test pads are electrically connected at described a plurality of short-circuit rods respectively; Described a plurality of array testing cushion is arranged at outside the described panel area, and described a plurality of array testing cushion are electrically connected at the corresponding panel testing cushion of described a plurality of panel test pads.
The invention has the beneficial effects as follows that short-circuit rods can be shared on array and detect and panel detection,, therefore short-circuit rods need be set outside the panel area of LCD again, thereby save arrangement space because array detects and panel detection is shared short-circuit rods.
The present invention is described in further detail below in conjunction with drawings and the specific embodiments.
Description of drawings
Fig. 1 is the testing cushion synoptic diagram that the array of the display panels of prior art detects.
Fig. 2 is the testing cushion synoptic diagram of panel detection of the display panels of prior art.
Fig. 3 is the synoptic diagram with display panels of array detection and the shared short-circuit rods of panel detection of the present invention.
Embodiment
Please refer to Fig. 3, Fig. 3 is the synoptic diagram with display panels of array detection and the shared short-circuit rods of panel detection of the present invention.Display panels 300 comprises a plurality of sweep traces 320, a plurality of data lines 330, a plurality of short-circuit rods 341-348, a plurality of panel test pad 350, one first group of switch 361, one second group of switch 362, a plurality of driver joint sheet (bonding pad) 370, a plurality of array testing cushion 380 and a plurality of full-contact testing cushion 390.A plurality of sweep traces 320, a plurality of data lines 330, a plurality of short-circuit rods 341-348, first group of switch 361, second group of switch 362, a plurality of driver joint sheet 370 are arranged within the panel area 310, and a plurality of array testing cushion 380 and a plurality of full-contact testing cushion 390 are arranged at outside the panel area 310.Can be when display panels 300 carries out the array test by array testing cushion 380 input test signals, described test signal transfers to a plurality of sweep traces 320 and a plurality of data lines 330 by a plurality of short-circuit rods 341-348.Part outside the panel area 310 can be cut when display panels 300 carries out the panel processing procedure.Can be when display panels 300 carries out panel test by a plurality of panel test pad 350 input test signals, described test signal transfers to a plurality of sweep traces 320 and a plurality of data lines 330 by a plurality of short-circuit rods 341-348.Therefore, a plurality of short-circuit rods 341-348 can be shared on array and detect and panel detection, makes the arrangement space of display panels 300 to reduce.
First group of switch 361 is electrically connected between a plurality of sweep traces 320 and a plurality of short-circuit rods 347-348, and second group of switch 362 is electrically connected at a plurality of data lines 330 and a plurality of short-circuit rods 341-346.When display panels 300 carries out panel detection, will open first group of switch 361 and second group of switch 362.First short-circuit rods 341 is electrically connected at odd number bar red data line, second short-circuit rods 342 is electrically connected at odd number bar green data line, the 3rd short-circuit rods 343 is electrically connected at odd number bar blue data line, the 4th short-circuit rods 344 is electrically connected at even number bar red data line, the 5th short-circuit rods 345 is electrically connected at even number bar green data line, the 6th short-circuit rods 346 is electrically connected at even number bar blue data line, the 7th short-circuit rods 347 is electrically connected at odd number bar sweep trace, and the 8th short-circuit rods 348 is electrically connected at even number bar sweep trace.
A plurality of panel test pads 350 comprise one first data test pad DRO, one second data test pad DGO, one the 3rd data test pad DBO, one the 4th data test pad DRE, one the 5th data test pad DGE, one the 6th data test pad DBE, one first sweep test pad GO, one second sweep test pad GE, a common voltage tester pad COM, one first switch testing pad GSW and a second switch testing cushion DSW.The first data test pad DRO is electrically connected at first short-circuit rods 341.The second data test pad DGO is electrically connected at second short-circuit rods 342.The 3rd data test pad DBO is electrically connected at the 3rd short-circuit rods 343.The 4th data test pad DRE is electrically connected at the 4th short-circuit rods 344.The 5th data test pad DGE is electrically connected at the 5th short-circuit rods 345.The 6th data test pad DBE is electrically connected at the 6th short-circuit rods 346.The first sweep test pad GO is electrically connected at the 7th short-circuit rods 347.The second sweep test pad GE is electrically connected at the 8th short-circuit rods 348.Common voltage testing cushion COM is electrically connected at the common voltage of display panels 300.The first switch testing pad GSW is electrically connected at the control end of first group of switch 361.Second switch testing cushion DSW is electrically connected at the control end of second group of switch 362.
A plurality of array testing cushion 380 comprise an odd data testing cushion DO, an even data testing cushion DE, an odd number sweep test pad GO, an even-line interlace testing cushion GE, a common voltage tester pad COM, one first switch testing pad GSW and a second switch testing cushion DSW.Odd data testing cushion DO is electrically connected at the first data test pad DRO, the second data test pad DGO and the 3rd data test pad DBO of panel test pad 350.Even data testing cushion DE is electrically connected at the 4th data test pad DRE, the 5th data test pad DGE and the 6th data test pad DBE of panel test pad 350.Odd number sweep test pad GO is electrically connected at the first sweep test pad GO of panel test pad 350.Even-line interlace testing cushion GE is electrically connected at the second sweep test pad GE of panel test pad 350.In addition, the common voltage testing cushion COM of array testing cushion 380, the first switch testing pad GSW and second switch testing cushion DSW are electrically connected at common voltage testing cushion COM, the first switch testing pad GSW and the second switch testing cushion DSW of panel test pad 350 respectively.
In sum, the short-circuit rods of display panels of the present invention can be shared on array detection and panel detection.Display panels of the present invention comprises a panel area, a plurality of short-circuit rods, a plurality of panel test pad and a plurality of array testing cushion.Described panel area comprises a plurality of sweep traces and a plurality of data lines.Described a plurality of short-circuit rods are arranged within the described panel area, and described a plurality of sweep traces and described a plurality of data lines are electrically connected at the short-circuit rods of the correspondence of described a plurality of short-circuit rods via an on-off circuit.Described a plurality of panel test pad is arranged within the described panel area, and described a plurality of panel test pads are electrically connected at described a plurality of short-circuit rods respectively.Described a plurality of array testing cushion is arranged at outside the described panel area, and described a plurality of array testing cushion are electrically connected at the corresponding panel testing cushion of described a plurality of panel test pads.In panel detection, data line is except being divided into odd number bar money line and even number bar data line, also be divided into red data line, green data line and blue data line, therefore when described a plurality of panel test pads are electrically connected at described a plurality of array testing cushion, the red data line of odd number bar, green data line and blue data line just are electrically connected at together, and the red data line of even number bar, green data line and blue data line just are electrically connected at together.Because array detects and panel detection is shared short-circuit rods, so need short-circuit rods be set outside the panel area of LCD again, can save arrangement space.
More than be preferred embodiment of the present invention, all changes of doing according to technical solution of the present invention when the function that is produced does not exceed the scope of technical solution of the present invention, all belong to protection scope of the present invention.
Claims (10)
1. one kind has that array detects and panel detection is shared the display panels of short-circuit rods, it is characterized in that: comprising:
One panel area comprises a plurality of sweep traces and a plurality of data lines;
A plurality of short-circuit rods are arranged within the described panel area, and described a plurality of sweep traces and described a plurality of data lines are electrically connected at the short-circuit rods of the correspondence of described a plurality of short-circuit rods via an on-off circuit;
A plurality of panel test pads are arranged within the described panel area, and described a plurality of panel test pads are electrically connected at described a plurality of short-circuit rods respectively; And
A plurality of array testing cushion are arranged at outside the described panel area, and described a plurality of array testing cushion are electrically connected at the corresponding panel testing cushion of described a plurality of panel test pads.
2. the display panels with array detection and the shared short-circuit rods of panel detection according to claim 1, it is characterized in that: described a plurality of short-circuit rods comprise:
One first short-circuit rods is electrically connected at the odd number bar red data line of described a plurality of data lines;
One second short-circuit rods is electrically connected at the odd number bar green data line of described a plurality of data lines;
One the 3rd short-circuit rods is electrically connected at the odd number bar blue data line of described a plurality of data lines;
One the 4th short-circuit rods is electrically connected at the even number bar red data line of described a plurality of data lines;
One the 5th short-circuit rods is electrically connected at the even number bar green data line of described a plurality of data lines;
One the 6th short-circuit rods is electrically connected at the even number bar blue data line of described a plurality of data lines;
One the 7th short-circuit rods is electrically connected at the odd number bar sweep trace of described a plurality of sweep traces; And
One the 8th short-circuit rods is electrically connected at the even number bar sweep trace of described a plurality of sweep traces.
3. the display panels with array detection and the shared short-circuit rods of panel detection according to claim 2, it is characterized in that: described a plurality of panel test pads comprise:
One first data test pad is electrically connected at described first short-circuit rods;
One second data test pad is electrically connected at described second short-circuit rods;
One the 3rd data test pad is electrically connected at described the 3rd short-circuit rods;
One the 4th data test pad is electrically connected at described the 4th short-circuit rods;
One the 5th data test pad is electrically connected at described the 5th short-circuit rods;
One the 6th data test pad is electrically connected at described the 6th short-circuit rods;
One first sweep test pad is electrically connected at described the 7th short-circuit rods; And
One second sweep test pad is electrically connected at described the 8th short-circuit rods.
4. the display panels with array detection and the shared short-circuit rods of panel detection according to claim 3, it is characterized in that: described a plurality of array testing cushion comprise:
One odd data testing cushion is electrically connected at the described first data test pad, the described second data test pad and described the 3rd data test pad;
One even data testing cushion is electrically connected at described the 4th data test pad, described the 5th data test pad and described the 6th data test pad;
One odd number sweep test pad is electrically connected at the described first sweep test pad; And
One even-line interlace testing cushion is electrically connected at the described second sweep test pad.
5. the display panels with array detection and the shared short-circuit rods of panel detection according to claim 1, it is characterized in that: described on-off circuit comprises:
One first group of switch is electrically connected between the corresponding short-circuit rods of described a plurality of sweep traces and described a plurality of short-circuit rods; And
One second group of switch is electrically connected between the corresponding short-circuit rods of described a plurality of data lines and described a plurality of short-circuit rods.
6. the display panels with array detection and the shared short-circuit rods of panel detection according to claim 5, it is characterized in that: described a plurality of panel test pads comprise:
One common voltage tester pad is electrically connected at the common voltage of described display panels;
One first switch testing pad is electrically connected at the control end of described first group of switch; And
One second switch testing cushion is electrically connected at the control end of described second group of switch.
7. the display panels with array detection and the shared short-circuit rods of panel detection according to claim 6, it is characterized in that: described a plurality of array testing cushion comprise:
One common voltage tester pad is electrically connected at the common voltage testing cushion of described panel test pad;
One first switch testing pad is electrically connected at the first switch testing pad of described panel test pad; And
One second switch testing cushion is electrically connected at the second switch testing cushion of described panel test pad.
8. the display panels with array detection and the shared short-circuit rods of panel detection according to claim 6, it is characterized in that: described panel area comprises a plurality of pixel electrodes in addition, is electrically connected at the common voltage of described display panels.
9. the display panels with array detection and the shared short-circuit rods of panel detection according to claim 1 is characterized in that: the excision after described LCD is carried out the array detection of described a plurality of array testing cushion.
10. the display panels with array detection and the shared short-circuit rods of panel detection according to claim 1 is characterized in that: described on-off circuit is opened when described LCD is carried out array detection and panel detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101113519A CN101533593B (en) | 2009-03-26 | 2009-03-26 | A liquid crystal display panel with short-circuit rods sharing array detection and panel detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101113519A CN101533593B (en) | 2009-03-26 | 2009-03-26 | A liquid crystal display panel with short-circuit rods sharing array detection and panel detection |
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| Publication Number | Publication Date |
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| CN101533593A CN101533593A (en) | 2009-09-16 |
| CN101533593B true CN101533593B (en) | 2011-01-05 |
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| CN2009101113519A Expired - Fee Related CN101533593B (en) | 2009-03-26 | 2009-03-26 | A liquid crystal display panel with short-circuit rods sharing array detection and panel detection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014161226A1 (en) * | 2013-04-01 | 2014-10-09 | 合肥京东方光电科技有限公司 | Display panel and display device |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102944945B (en) * | 2012-11-22 | 2015-05-27 | 深圳市华星光电技术有限公司 | Detection method for liquid crystal display panel |
| CN103325327B (en) * | 2013-06-20 | 2016-03-30 | 深圳市华星光电技术有限公司 | The detection line of a kind of display panel, display panel |
| CN104077989B (en) * | 2014-06-30 | 2016-04-13 | 深圳市华星光电技术有限公司 | Display panel |
| CN104111550A (en) * | 2014-08-08 | 2014-10-22 | 深圳市华星光电技术有限公司 | Liquid crystal panel detection circuit |
| CN104464587B (en) * | 2014-12-31 | 2017-04-19 | 深圳市华星光电技术有限公司 | Array substrate and detection circuit thereof |
| CN106154664A (en) * | 2016-08-15 | 2016-11-23 | 武汉华星光电技术有限公司 | There is the display panels of detection function |
| CN111179794B (en) * | 2020-01-06 | 2022-04-19 | 京东方科技集团股份有限公司 | Detection circuit, array substrate and display panel |
-
2009
- 2009-03-26 CN CN2009101113519A patent/CN101533593B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014161226A1 (en) * | 2013-04-01 | 2014-10-09 | 合肥京东方光电科技有限公司 | Display panel and display device |
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| CN101533593A (en) | 2009-09-16 |
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Owner name: CHINA PROJECTION TUBE CO., LTD. Free format text: FORMER OWNER: FUZHOU HUAYING VIDEO + TELECOM CO., LTD. Effective date: 20130606 Free format text: FORMER OWNER: CHINA PROJECTION TUBE CO., LTD. Effective date: 20130606 |
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Effective date of registration: 20130606 Address after: Chinese Taoyuan bade city Taiwan Peace Road No. 1127 Patentee after: Chunghwa Picture Tubes Ltd. Address before: 350015 No. 1 Xingye Road, Mawei Science Park, Fujian, Fuzhou Patentee before: Fuzhou Huaying Video & Telecom Co., Ltd. Patentee before: Chunghwa Picture Tubes Ltd. |
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