CN105954898B - Display panel and test method - Google Patents
Display panel and test method Download PDFInfo
- Publication number
- CN105954898B CN105954898B CN201610514871.4A CN201610514871A CN105954898B CN 105954898 B CN105954898 B CN 105954898B CN 201610514871 A CN201610514871 A CN 201610514871A CN 105954898 B CN105954898 B CN 105954898B
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- testing cushion
- electrically connected
- conductive layer
- layer
- cabling
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a kind of display panels.Display panel includes: substrate, the multiple testing cushions being set on substrate and the cabling being electrically connected respectively with corresponding testing cushion, and projection of the cabling that a part of testing cushion in plurality of testing cushion is electrically connected on substrate is through projection of another part testing cushion on substrate.In the above manner, the present invention can maximally utilize display panel space, properties of product and efficiency of research and development are promoted.
Description
Technical field
The present invention relates to technical field of liquid crystal display, more particularly to a kind of display panel and test method.
Background technique
Testing cushion (Cell test pad) is one group for being used to test the acupuncture treatment of properties in cell in panel design
Uniform laminated conductor block passes through punching cross-mixing composition by the first metal M1, the second tri- layers of metal M2 and ITO.By
It is larger in footprint area, how to optimize the spatial distribution of pad, maximally utilizes the space panel (panel), make it more to examine
The performance of cell is surveyed, to reach better Improving The Quality of Products and efficiency of research and development.
There are two types of existing cell test pad layouts, one is using pad and being arranged side by side, such as Fig. 1 a, and, such
Arrangement mode causes space hold excessive, and utilization rate is lower.Another kind is using isosceles triangle layout type, such as Fig. 1 b, at two
Between pad, third pad is put in lower section, and the cabling of third pad is above between two pad, this design, in certain journey
Some spaces are saved on degree, however this is not optimal scheme.
Summary of the invention
The embodiment of the invention provides a kind of display panel and test methods, can maximally utilize display panel space,
Promote properties of product and efficiency of research and development.
The present invention provides a kind of display panel, comprising: substrate, the multiple testing cushions being set on substrate and respectively with it is right
The cabling for the testing cushion electrical connection answered, the cabling that a part of testing cushion in plurality of testing cushion is electrically connected is on substrate
Projection runs through projection of another part testing cushion on substrate.
Wherein, testing cushion includes that lamination is set to the lower conductiving layer on substrate and being electrically connected to each other and upper conductive layer and Jie
Insulating layer between lower conductiving layer and upper conductive layer, cabling are arranged and are electrically connected with lower conductiving layer, one with lower conductiving layer same layer
The cabling that partial test pad is electrically connected extends via the lower section of the upper conductive layer of another part testing cushion and surveys with another part
It tries the upper conductive layer padded and lower conductiving layer and its cabling being electrically connected remains electrically isolated from.
Wherein, through-hole is provided on insulating layer, the lower conductiving layer of testing cushion and upper conductive layer are electrically connected via through-hole, and one
The cabling that point testing cushion is electrically connected is remained electrically isolated from by insulating layer and the upper conductive layer of another part testing cushion, and by with
The lower conductiving layer of another part testing cushion and its alignment interval preset distance being electrically connected and remain electrically isolated from.
Wherein, the lower conductiving layer of another part testing cushion is provided with fluting, the cabling warp that a part of testing cushion is electrically connected
Extended by fluting.
Wherein, the cabling that a part of testing cushion is electrically connected prolongs via the side of the lower conductiving layer of another part testing cushion
It stretches.
Wherein, testing cushion further comprises between lower conductiving layer and upper conductive layer and respectively with lower conductiving layer and above leading
The intermediate conductive layer of electric layer electrical connection, the cabling that a part of testing cushion is electrically connected is further via in another part testing cushion
Between conductive layer lower section extend and remain electrically isolated from.
Wherein, insulating layer includes the first insulating layer between upper conductive layer and intermediate conductive layer and leads between
Second insulating layer between electric layer and lower conductiving layer, wherein the first insulating layer is provided with first through hole, upper conductive layer and centre are led
Electric layer is electrically connected by first through hole, and second insulating layer is provided with the second through-hole, and intermediate conductive layer and lower conductiving layer pass through second
Through-hole electrical connection, the cabling that a part of testing cushion is electrically connected keep electricity absolutely by the intermediate conductive layer of another part testing cushion
Edge.
Wherein, the cabling that the intermediate conductive layer of another part testing cushion is electrically connected a part of testing cushion forms covering
Region is greater than the formed overlay area of cabling that the upper conductive layer of another part testing cushion is electrically connected a part of testing cushion.
Wherein, projection of the intermediate conductive layer of another part testing cushion on substrate is electrically connected along a part of testing cushion
The extending direction of cabling protrudes from projection of the upper conductive layer of another part testing cushion on substrate.
Wherein, multiple testing cushions are arranged with array manner, and the outer edge of the upper conductive layer of testing cushion along line direction and/or
Column direction alignment.
Through the above scheme, the beneficial effects of the present invention are: display panel of the invention includes substrate, is set on substrate
Multiple testing cushions and respectively with the cabling of corresponding testing cushion electrical connection, a part of testing cushion in plurality of testing cushion
Projection of the cabling being electrically connected on substrate runs through projection of another part testing cushion on substrate, can maximally utilize aobvious
Show panel space, promotes properties of product and efficiency of research and development.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.Wherein:
Fig. 1 a is the structural schematic diagram of display panel in the prior art；
Fig. 1 b is the structural schematic diagram of another display panel in the prior art；
Fig. 2 is the structural schematic diagram of the display panel of first embodiment of the invention；
Fig. 3 is the cross-sectional structure schematic diagram of the testing cushion 12 in Fig. 2；
Fig. 4 is the structural schematic diagram of the display panel of second embodiment of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole embodiments.Based on this
Embodiment in invention, those of ordinary skill in the art are obtained every other under the premise of not making creative labor
Embodiment shall fall within the protection scope of the present invention.
Fig. 2 is the structural schematic diagram of the display panel of first embodiment of the invention.As shown in Fig. 2, display panel 10 includes:
Substrate 11, the multiple testing cushions 12 being set on substrate 11 and the cabling 13 being electrically connected respectively with corresponding testing cushion 12,
In the projection of the cabling 15 that is electrically connected of a part of testing cushion 14 in multiple testing cushions 12 on the substrate 11 through another part
The projection of testing cushion 12 on the substrate 11.The embodiment of the present invention is by the cabling 15 being electrically connected by a part of testing cushion 14 in base
Projection on plate 11 runs through the projection of another part testing cushion 12 on the substrate 11, saves a part of testing cushion 14 and is electrically connected
Cabling 15 cabling space, maximally utilize display panel space, promote properties of product and efficiency of research and development.
Further referring to figs. 2 and 3, testing cushion 12 is set on substrate 11 and is electrically connected to each other down including lamination and leads
Electric layer M1 and upper conductive layer ITO and the insulating layer 16,17 between lower conductiving layer M1 and upper conductive layer ITO.Cabling 13 with
Lower conductiving layer M1 same layer is arranged and is electrically connected with lower conductiving layer M1.The cabling 15 that a part of testing cushion 14 is electrically connected is via another
The lower section of the upper conductive layer ITO of partial test pad 12 extend and with the upper conductive layer ITO of another part testing cushion 12 and lower conduction
Layer M1 and its cabling 13 being electrically connected remain electrically isolated from.
Through-hole 18,19 is provided on insulating layer 16,17.The lower conductiving layer M1 of testing cushion 12 and upper conductive layer ITO is via logical
Hole 18,19 is electrically connected.The lower conductiving layer M1 of another part testing cushion 12 is provided with fluting, what a part of testing cushion 14 was electrically connected
Cabling 15 extends via fluting.The cabling 15 that a part of testing cushion 14 is electrically connected is surveyed by insulating layer 16,17 and another part
The upper conductive layer ITO of examination pad 12 is remained electrically isolated from, and by the lower conductiving layer M1 with another part testing cushion 12 and its is electrically connected
The cabling 13 connect is spaced a predetermined distance a or b and remains electrically isolated from.In embodiments of the present invention, it is tested in different another part
In the lower conductiving layer M1 of pad 12, different cablings 15 and lower conductiving layer M1 are spaced a predetermined distance and are also possible to c or d, a, b, c, d's
Occurrence is simultaneously not fixed, as long as processing procedure can be accomplished.
Further, testing cushion 12 further comprises between lower conductiving layer M1 and upper conductive layer ITO and respectively under
The intermediate conductive layer M2 that conductive layer M1 is connected with upper conductive layer electricity ITO, the cabling 15 into one that a part of testing cushion 14 is electrically connected
Step extends and remains electrically isolated from via the lower section of the intermediate conductive layer M2 of another part testing cushion 12.One of the embodiment of the present invention
The cabling 15 that point testing cushion 14 is electrically connected extends via the intermediate of lower conductiving layer M1 of another part testing cushion 12, i.e., a part of
The cabling 15 that testing cushion 14 is electrically connected runs through the lower conductiving layer M1 of another part testing cushion 12 from centre.Accordingly, another portion
The side of testing cushion 12 is arranged in the cabling 13 of point testing cushion 12.
Accordingly, insulating layer include the first insulating layer 16 between upper conductive layer ITO and intermediate conductive layer M2 and
Second insulating layer 17 between conductive layer M2 and lower conductiving layer M1 between, wherein the first insulating layer 16 is provided with first through hole
18, upper conductive layer ITO and intermediate conductive layer M2 are electrically connected by first through hole 18, and second insulating layer 17 is provided with the second through-hole
19, intermediate conductive layer M2 and lower conductiving layer M1 are electrically connected by the second through-hole 19, the cabling that a part of testing cushion 14 is electrically connected
15 are remained electrically isolated from by the intermediate conductive layer M2 of another part testing cushion 12.
The cabling 15 that the intermediate conductive layer M2 of another part testing cushion 12 is electrically connected a part of testing cushion 14 is formed
Overlay area is greater than 15 shapes of cabling that the upper conductive layer ITO of another part testing cushion 12 is electrically connected a part of testing cushion 14
At overlay area.The projection of the intermediate conductive layer M2 of another part testing cushion 12 on the substrate 11 is along a part of 14 institute's electricity of testing cushion
The extending direction of the cabling 15 of connection protrudes from the projection of the upper conductive layer ITO of another part testing cushion 12 on the substrate 11.Such as
Oval part in Fig. 2, the stranding that can prevent to have an acupuncture treatment in test greatly protect cabling to cabling 15.
Referring to fig. 2, multiple testing cushions are arranged with array manner, and the outer edge of the upper conductive layer of testing cushion is along line direction
And/or column direction alignment.The distance between two laterally adjacent testing cushions be h, value can not be one it is changeless
Value, can change according to the actual situation.It preferably, is 200 μm.
It when test, has an acupuncture treatment in testing cushion, carries out observing the aobvious of display panel from acupuncture treatment input signal to testing cushion
Show situation, display panel is tested.
Fig. 4 is the structural schematic diagram of the display panel of second embodiment of the invention.It is with the difference in Fig. 2, in Fig. 4
Display panel 20 in, cabling 25 that a part of testing cushion 24 is electrically connected via another part testing cushion 22 lower conductiving layer M1
Side extend.The cabling 25 that i.e. a part of testing cushion 24 is electrically connected runs through another portion from the side of another part testing cushion 12
Divide the lower conductiving layer M1 of testing cushion 12.Accordingly, the other side of testing cushion 12 is arranged in the cabling 13 of another part testing cushion 12.
In the above various embodiments, when making display panel, lower conductiving layer M1 and the first metal apply same mask plate, i.e.,
It is made simultaneously with the grid of thin film transistor (TFT).Upper conductive layer ITO and top layer ITO synchronously complete production.Intermediate conductive layer M2
Same mask plate is applied with the second metal, i.e., is made simultaneously with the source/drain of thin film transistor (TFT).
In conclusion the display panel of the embodiment of the present invention include substrate, the multiple testing cushions being set on substrate and
Respectively with the cabling of corresponding testing cushion electrical connection, the cabling that a part of testing cushion in plurality of testing cushion is electrically connected exists
Projection on substrate runs through projection of another part testing cushion on substrate, can maximally utilize display panel space, is promoted
Properties of product and efficiency of research and development.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (4)
1. a kind of display panel, which is characterized in that the display panel includes substrate, multiple tests for being set on the substrate
Pad and the cabling being electrically connected respectively with the corresponding testing cushion, wherein a part of testing cushion institute in the multiple testing cushion
The projection of the cabling of electrical connection on the substrate is through the projection of testing cushion on the substrate described in another part, the survey
Examination pad includes that lamination is set to the lower conductiving layer on the substrate and being electrically connected to each other and upper conductive layer, between the lower conductiving layer
The intermediate conductive layer that is electrically connected between upper conductive layer and respectively with the lower conductiving layer and upper conductive layer and on described
The first insulating layer between conductive layer and the intermediate conductive layer and between the intermediate conductive layer and the lower conductiving layer it
Between second insulating layer, wherein first insulating layer is provided with first through hole, the upper conductive layer and the intermediate conductive layer
Be electrically connected by the first through hole, the second insulating layer is provided with the second through-hole, the intermediate conductive layer and it is described under lead
Electric layer is electrically connected by second through-hole, and the cabling is arranged with the lower conductiving layer same layer and is electrically connected with the lower conductiving layer
It connects, the cabling that a part of testing cushion is electrically connected is further via under the intermediate conductive layer of another part testing cushion
Fang Yanshen and remain electrically isolated from, and by with the lower conductiving layer of another part testing cushion and its alignment interval being electrically connected
Preset distance and remain electrically isolated from, the intermediate conductive layer of another part testing cushion is electrically connected a part of testing cushion
The formed overlay area of cabling be greater than another part testing cushion upper conductive layer be electrically connected to a part of testing cushion
The formed overlay area of the cabling connect, the projection of the intermediate conductive layer of another part testing cushion on the substrate is along described
The extending direction for the cabling that a part of testing cushion is electrically connected protrudes from the upper conductive layer of another part testing cushion described
Projection on substrate, and part outstanding covers the cabling that a part of testing cushion is electrically connected.
2. display panel according to claim 1, which is characterized in that the lower conductiving layer of another part testing cushion is arranged
There is fluting, the cabling that a part of testing cushion is electrically connected extends via the fluting.
3. display panel according to claim 1, which is characterized in that the cabling warp that a part of testing cushion is electrically connected
Extended by the side of the lower conductiving layer of another part testing cushion.
4. display panel according to claim 1, which is characterized in that the multiple testing cushion is arranged with array manner, and
The outer edge of the upper conductive layer of the testing cushion is aligned along line direction and/or column direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610514871.4A CN105954898B (en) | 2016-07-01 | 2016-07-01 | Display panel and test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610514871.4A CN105954898B (en) | 2016-07-01 | 2016-07-01 | Display panel and test method |
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| Publication Number | Publication Date |
|---|---|
| CN105954898A CN105954898A (en) | 2016-09-21 |
| CN105954898B true CN105954898B (en) | 2019-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610514871.4A Active CN105954898B (en) | 2016-07-01 | 2016-07-01 | Display panel and test method |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106803411A (en) * | 2017-03-30 | 2017-06-06 | 昆山工研院新型平板显示技术中心有限公司 | Display device, detection unit and detection method |
| CN108983461B (en) * | 2018-08-22 | 2021-04-27 | 惠科股份有限公司 | Array substrate and liquid crystal module |
| CN110148570B (en) * | 2019-05-17 | 2020-12-22 | 业成科技（成都）有限公司 | Display panel and manufacturing method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101174036A (en) * | 2006-07-21 | 2008-05-07 | 三菱电机株式会社 | Mounting terminal substrate and display device using the same |
| CN101179053A (en) * | 2007-12-05 | 2008-05-14 | 上海广电光电子有限公司 | Thin-film transistor array substrates and manufacturing method therefor |
| CN101515442A (en) * | 2008-02-21 | 2009-08-26 | 中华映管股份有限公司 | Peripheral circuit |
-
2016
- 2016-07-01 CN CN201610514871.4A patent/CN105954898B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101174036A (en) * | 2006-07-21 | 2008-05-07 | 三菱电机株式会社 | Mounting terminal substrate and display device using the same |
| CN101179053A (en) * | 2007-12-05 | 2008-05-14 | 上海广电光电子有限公司 | Thin-film transistor array substrates and manufacturing method therefor |
| CN101515442A (en) * | 2008-02-21 | 2009-08-26 | 中华映管股份有限公司 | Peripheral circuit |
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| CN105954898A (en) | 2016-09-21 |
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