CN106935600A - A kind of display panel and display device - Google Patents
A kind of display panel and display device Download PDFInfo
- Publication number
- CN106935600A CN106935600A CN201710349049.1A CN201710349049A CN106935600A CN 106935600 A CN106935600 A CN 106935600A CN 201710349049 A CN201710349049 A CN 201710349049A CN 106935600 A CN106935600 A CN 106935600A
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- Prior art keywords
- display panel
- signal line
- layer
- secondary signal
- holding wire
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/1248—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition or shape of the interlayer dielectric specially adapted to the circuit arrangement
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a kind of display panel and display device, on the premise of being corroded in the holding wire in avoiding display panel, realize to the bad analysis of holding wire and performance test.The display panel, including underlay substrate, it is successively set on the first holding wire on the underlay substrate, insulating barrier, secondary signal line and passivation layer, and the secondary signal line is electrically connected with by being arranged on the first via in the insulating barrier with first holding wire, the display panel also includes：The conductive layer on the passivation layer is arranged on, and the conductive layer is electrically connected with by the second via in the passivation layer with the secondary signal line.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of display panel and display device.
Background technology
Growing with display device, consumer is more favored high-end display device, and demand is also increasing,
Particularly to more high definition, the display device of more narrow frame, each TFT liquid crystal display (Thin Film
Transistor-Liquid Crystal Display, TFT-LCD) factory, in order to meet consumer demand, updates and sets
Meter and processing procedure.In order to meet the demand of high-end display, make the frame of display more and more narrow, but realize via switching
Purpose when, cause a great problem of the easy corrosion of conductive layer at via, and this problem, to trust sex chromosome mosaicism, producer typically leads to
The mode for crossing untrusted test is the height that can not fully assess its risk, so may result in partial risks screen and flows into city
, next it is possible to the serious consequence for being connected to the complaint of client, complaining, exchange goods, returning goods, cancelling an order.
The now product switching for shift register (GOA) narrow frame of TN screen frame regions is designed with two ways：
The first is that existing product design uses the switching that indium tin oxide transparent conductive semiconductor film (ITO) is overlapped to design.
For example, with reference to Fig. 1, display panel includes successively：Underlay substrate 01, grid line 02, gate insulator (GI) 03, data wire 04 and blunt
Change layer (PVX) 05, display panel also includes being arranged on the transparency conducting layer 06 on passivation layer 05, wherein, display panel is also wrapped
Include：Through the via 1 of passivation layer 05, and through the via 22 of passivation layer 05 and gate insulator 03, transparency conducting layer 06
Grid line 02 and data wire 04 are electrically connected by via 1 and via 22.
What transparency conducting layer here was played is signal transmission effect, and signal herein is big voltage and high current, is entered
And be easier to be created conditions for electrochemical corrosion.
Second existing product design carries out signal transmission by using GI vias, so can effectively completely cut off extraneous steam
With impurity contact, galvanic corrosion problems can be effectively prevented.For example, with reference to Fig. 2, display panel includes successively：Substrate base
Plate 01, grid line 02, gate insulator (GI) 03, data wire 04 and passivation layer (PVX) 05, wherein, data wire 04 is by being arranged on
Via 33 in gate insulator (GI) 03 is electrically connected with grid line 02.
But this design cannot carry out effective monitoring to the output signal in GOA areas, to bad analysis and performance test
Bringing very big difficulty cannot even be carried out.
In sum, display panel of the prior art is when narrow frame design is realized, it is impossible in display panel is avoided
Holding wire be corroded on the premise of, realize to the bad analysis of holding wire and performance test.
The content of the invention
The present invention provides a kind of display panel and display device, is corroded to the holding wire in display panel is avoided
Under the premise of, realize to the bad analysis of holding wire and performance test.
The embodiment of the invention provides a kind of display panel, including underlay substrate, be successively set on the underlay substrate it
On the first holding wire, insulating barrier, secondary signal line and passivation layer, and the secondary signal line is by being arranged on the insulating barrier
In the first via be electrically connected with first holding wire, the display panel also includes：
Be arranged on the conductive layer on the passivation layer, and the conductive layer by the second via in the passivation layer with
The secondary signal line is electrically connected with.
In a kind of possible implementation method, in above-mentioned display panel provided in an embodiment of the present invention, first via
It is not overlap with projection of second via on the underlay substrate.
In a kind of possible implementation method, in above-mentioned display panel provided in an embodiment of the present invention, the display panel
Also include thin film transistor (TFT), the thin film transistor (TFT) includes according to the direction successively away from the underlay substrate：
Grid, gate insulator, active layer, source-drain electrode.
In a kind of possible implementation method, in above-mentioned display panel provided in an embodiment of the present invention, first signal
Line is set with the grid with layer.
In a kind of possible implementation method, in above-mentioned display panel provided in an embodiment of the present invention, first signal
Line includes scan line.
In a kind of possible implementation method, in above-mentioned display panel provided in an embodiment of the present invention, the secondary signal
Line is set with the source-drain electrode with layer.
In a kind of possible implementation method, in above-mentioned display panel provided in an embodiment of the present invention, the secondary signal
Line includes data wire.
In a kind of possible implementation method, in above-mentioned display panel provided in an embodiment of the present invention, the conductive layer
Material is transparent conductive material.
Correspondingly, the embodiment of the present invention additionally provides a kind of display device, including above-mentioned provided in an embodiment of the present invention
A kind of display panel.
The present invention has the beneficial effect that：
A kind of display panel provided in an embodiment of the present invention, including underlay substrate, be successively set on the underlay substrate it
On the first holding wire, insulating barrier, secondary signal line and passivation layer, and be arranged on the conductive layer on the passivation layer, its
In, the secondary signal line is electrically connected with by being arranged on the first via in the insulating barrier with first holding wire, institute
Conductive layer is stated to be electrically connected with the secondary signal line by the second via in the passivation layer.Therefore, the embodiment of the present invention
In the display panel of offer, the electric signal in the first holding wire is passed into secondary signal using the via for setting in a insulating layer
Line, so can effectively completely cut off the steam and impurity in the external world, the opposing party by being arranged on the passivation layer above secondary signal line
The monitoring problem of signal output is considered in face, and the embodiment of the present invention passes through to set the second via in the passivation layer, by conductive layer
Be drawn out to electric signal in secondary signal line in surface, and conductive layer by the mode of overlap joint only has work of the big voltage without high current
With.It can be seen that, the display panel in the embodiment of the present invention can both be effectively improved galvanic corrosion problems, while can meet to signal
The bad analysis of line and the purpose of performance test.
Brief description of the drawings
A kind of structural representation of display panel that Fig. 1 is provided for prior art；
The structural representation of another display panel that Fig. 2 is provided for prior art；
Fig. 3 is a kind of structural representation of display panel provided in an embodiment of the present invention；
Fig. 4 is a kind of schematic top plan view of display panel provided in an embodiment of the present invention；
Fig. 5 is the structural representation of second display panel provided in an embodiment of the present invention.
Specific embodiment
It is understandable to enable the above objects, features and advantages of the present invention to become apparent, below in conjunction with accompanying drawing and implementation
The present invention will be further described for example.However, example embodiment can be implemented in a variety of forms, and it is not understood as limited to
Implementation method set forth herein；Conversely, these embodiments are provided so that the present invention more comprehensively and completely, and by example embodiment party
The design of formula comprehensively conveys to those skilled in the art.Identical reference represents same or similar knot in figure
Structure, thus repetition thereof will be omitted.The word of expression position and direction described in the present invention, is to be with accompanying drawing
The explanation that example is carried out, but can also make a change as needed, make change and be all contained in the scope of the present invention.The present invention
Accompanying drawing be only used for illustrate relative position relation, the thickness at some positions employs the plotting mode lavished praise on oneself in order to understand, attached
Thickness in figure does not represent the proportionate relationship of actual thickness.
It should be noted that elaborating detail in order to fully understand the present invention in the following description.But this hair
Bright to be implemented different from other manner described here with various, those skilled in the art can be without prejudice in the present invention
Similar popularization is done in the case of culvert.Therefore the present invention is not limited by following public specific embodiment.Such as in specification and
Some vocabulary have been used to censure specific components in the middle of claim.Those skilled in the art are, it is to be appreciated that hardware manufacturer can
Same component can be called with different nouns.This specification and claims are not used as differentiation group with the difference of title
The mode of part, but the difference with component functionally is used as the criterion distinguished.Such as work as in specification in the whole text and claim
Mentioned in "comprising" be an open language, therefore " include but be not limited to " should be construed to.Specification subsequent descriptions are real
The better embodiment of the application is applied, so the description is for the purpose of the rule for illustrating the application, to be not limited to
Scope of the present application.The protection domain of the application ought be defined depending on the appended claims person of defining.It should be understood that working as element such as
Layer, film, region or substrate be referred to as being located at another element " on " when, its can on another element, or
One or more intermediary elements can be inserted with.
The present invention provides a kind of display panel and display device, is corroded to the holding wire in display panel is avoided
Under the premise of, realize to the bad analysis of holding wire and performance test.
Below in conjunction with the accompanying drawings, the specific embodiment to display panel provided in an embodiment of the present invention and display device is carried out
Explain.
The thickness and shape of each film layer do not reflect actual proportions in accompanying drawing, and purpose is schematically illustrate present invention.
Referring to Fig. 3, display panel provided in an embodiment of the present invention includes：Underlay substrate 01, is successively set on the substrate
The first holding wire 11, insulating barrier 12, secondary signal line 13 and passivation layer 05 on substrate, and be arranged on passivation layer 05
Conductive layer 14, wherein, secondary signal line 13 is by the first via 21 for being arranged in insulating barrier 12 and the electricity of the first holding wire 11
Property connection, conductive layer 14 is electrically connected with by the second via 22 in passivation layer 05 with secondary signal line 13.
It should be noted that the display panel in the embodiment of the present invention includes viewing area and frame region, in the present invention
The first via and the second via be arranged on the frame region of display panel, the first holding wire 11, insulating barrier 12, secondary signal line
13 and passivation layer 05, and the conductive layer 14 being arranged on passivation layer 05 can be arranged on the frame region of display panel, also
Viewing area can be arranged on.
For example, with reference to Fig. 4, the schematic top plan view of the display panel in the embodiment of the present invention, and Fig. 3 are along the direction of O-O1
Cut the schematic cross-section for obtaining.The first via 21 and the second via 22 can be overlapped mutually in Fig. 4, only with Fig. 4
The projection of one via and the second via on underlay substrate is illustrated as a example by not overlapping, and in display panel of the invention first
The projection of via and the second via on underlay substrate can also be overlapped.It is not specifically limited herein.
In display panel provided in an embodiment of the present invention, by setting via in a insulating layer by the first holding wire
Electric signal passes to secondary signal line, so can effectively completely cut off the external world by being arranged on the passivation layer above secondary signal line
Steam and impurity；On the other hand the monitoring problem of signal output is considered, the embodiment of the present invention by setting in the passivation layer
Second via, during the electric signal in secondary signal line is drawn out into surface, and conductive layer by way of conductive layer is overlapped only
Big effect of the voltage without high current.It can be seen that, the display panel in the embodiment of the present invention can both be effectively improved electrochemical corrosion and ask
Topic, while the purpose of analysis bad to holding wire and performance test can be met.
In a particular embodiment, in above-mentioned display panel provided in an embodiment of the present invention, referring to Fig. 3 or Fig. 4, the first via
21 projection with the second via 22 on underlay substrate 01 is not overlap.Specifically, the position of the first via and the second via is not done
It is specific to limit, can be set in the top of the first via so that the first via and the second via are mutual when the second via is set
Overlap.
In a particular embodiment, in above-mentioned display panel provided in an embodiment of the present invention, referring to Fig. 5, display panel is also wrapped
Thin film transistor (TFT) is included, thin film transistor (TFT) includes according to the direction successively away from underlay substrate 01：It is grid 31, insulating barrier 12, active
Layer 32, source-drain electrode 33.Wherein, insulating barrier 12 can be gate insulator or interlayer insulating film, be not specifically limited herein.And
Thin film transistor (TFT) in the embodiment of the present invention can be the thin film transistor (TFT) for being arranged on viewing area, or be arranged on frame
The thin film transistor (TFT) in shift register cell in region, is not specifically limited herein.Wherein, thin film transistor (TFT) can be top
Grating structure, or bottom-gate type configuration, herein only by taking bottom-gate type configuration as an example.
In a particular embodiment, in above-mentioned display panel provided in an embodiment of the present invention, referring to Fig. 5, the first holding wire 11
Set with layer with grid.
In a particular embodiment, in above-mentioned display panel provided in an embodiment of the present invention, the first holding wire 11 includes scanning
Line.Specifically, the first holding wire can be scan line, or other holding wires set with layer with grid.
In a particular embodiment, in above-mentioned display panel provided in an embodiment of the present invention, referring to Fig. 5, secondary signal line 13
Set with layer with source-drain electrode.
In a particular embodiment, in above-mentioned display panel provided in an embodiment of the present invention, secondary signal line 13 includes data
Line.Specifically, secondary signal line can be data wire, or other holding wires set with layer with source-drain electrode.
In a particular embodiment, in above-mentioned display panel provided in an embodiment of the present invention, the material of conductive layer is led for transparent
Electric material.Specifically, conductive layer can be made for transparency conducting layer material, for example, tin indium oxide, it would however also be possible to employ metal
Material is made, and is not specifically limited herein.
Based on same invention thought, the embodiment of the present invention additionally provides a kind of display device, including the embodiment of the present invention is carried
The display panel of any of the above-described kind for supplying.The display device can be：Mobile phone, panel computer, notebook computer, DPF,
Any product or part with display function such as navigator.The implementation of the display device may refer to the reality of above-mentioned display panel
Example is applied, part is repeated and is repeated no more.
In sum, a kind of display panel provided in an embodiment of the present invention, including underlay substrate, is successively set on the lining
The first holding wire, insulating barrier, secondary signal line and passivation layer on substrate, and it is arranged on leading on the passivation layer
Electric layer, wherein, the secondary signal line is electrical with first holding wire by being arranged on the first via in the insulating barrier
Connection, the conductive layer is electrically connected with by the second via in the passivation layer with the secondary signal line.Therefore, the present invention
In the display panel that embodiment is provided, the electric signal in the first holding wire is passed to the using via in a insulating layer is set
Binary signal line, so can effectively completely cut off the steam and impurity in the external world by being arranged on the passivation layer above secondary signal line,
On the other hand the monitoring problem of signal output is considered, the embodiment of the present invention passes through by setting the second via in the passivation layer
Be drawn out to electric signal in secondary signal line in surface, and conductive layer by the mode of conductive layer overlap joint only has big voltage without high current
Effect.It can be seen that, the display panel in the embodiment of the present invention can both be effectively improved galvanic corrosion problems, while can meet right
The bad analysis of holding wire and the purpose of performance test.
Obviously, those skilled in the art can carry out various changes and modification without deviating from essence of the invention to the present invention
God and scope.So, if these modifications of the invention and modification belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising these changes and modification.
Claims (9)
1. a kind of display panel, including underlay substrate, is successively set on the first holding wire, insulation on the underlay substrate
Layer, secondary signal line and passivation layer, and the secondary signal line by be arranged on the first via in the insulating barrier with it is described
First holding wire is electrically connected with, it is characterised in that the display panel also includes：
Be arranged on the conductive layer on the passivation layer, and the conductive layer by the second via in the passivation layer with it is described
Secondary signal line is electrically connected with.
2. display panel according to claim 1, it is characterised in that first via is with second via described
Projection on underlay substrate is not overlapped.
3. display panel according to claim 1, it is characterised in that the display panel also includes thin film transistor (TFT), institute
State thin film transistor (TFT) includes according to the direction successively away from the underlay substrate：
Grid, gate insulator, active layer, source-drain electrode.
4. display panel according to claim 3, it is characterised in that first holding wire sets with the grid with layer
Put.
5. display panel according to claim 4, it is characterised in that first holding wire includes scan line.
6. display panel according to claim 3, it is characterised in that the secondary signal line sets with the source-drain electrode with layer
Put.
7. display panel according to claim 6, it is characterised in that the secondary signal line includes data wire.
8. display panel according to claim 1, it is characterised in that the material of the conductive layer is transparent conductive material.
9. a kind of display device, it is characterised in that including the display panel described in any claims of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710349049.1A CN106935600B (en) | 2017-05-17 | 2017-05-17 | Display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710349049.1A CN106935600B (en) | 2017-05-17 | 2017-05-17 | Display panel and display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106935600A true CN106935600A (en) | 2017-07-07 |
| CN106935600B CN106935600B (en) | 2020-05-19 |
Family
ID=59429660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710349049.1A Active CN106935600B (en) | 2017-05-17 | 2017-05-17 | Display panel and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106935600B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113380166A (en) * | 2021-06-15 | 2021-09-10 | 深圳市华星光电半导体显示技术有限公司 | Display panel |
| WO2022126638A1 (en) * | 2020-12-18 | 2022-06-23 | 京东方科技集团股份有限公司 | Driving backplane and manufacturing method therefor, and display device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6537840B2 (en) * | 2000-10-12 | 2003-03-25 | Au Optronics Corp. | Manufacturing process of thin film transistor liquid crystal display with one mask |
| CN104699349A (en) * | 2015-04-01 | 2015-06-10 | 上海天马微电子有限公司 | Array substrate, array substrate manufacturing method and display panel |
| CN106125437A (en) * | 2016-09-05 | 2016-11-16 | 京东方科技集团股份有限公司 | Display base plate and preparation method thereof, display device |
-
2017
- 2017-05-17 CN CN201710349049.1A patent/CN106935600B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6537840B2 (en) * | 2000-10-12 | 2003-03-25 | Au Optronics Corp. | Manufacturing process of thin film transistor liquid crystal display with one mask |
| CN104699349A (en) * | 2015-04-01 | 2015-06-10 | 上海天马微电子有限公司 | Array substrate, array substrate manufacturing method and display panel |
| CN106125437A (en) * | 2016-09-05 | 2016-11-16 | 京东方科技集团股份有限公司 | Display base plate and preparation method thereof, display device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022126638A1 (en) * | 2020-12-18 | 2022-06-23 | 京东方科技集团股份有限公司 | Driving backplane and manufacturing method therefor, and display device |
| CN113380166A (en) * | 2021-06-15 | 2021-09-10 | 深圳市华星光电半导体显示技术有限公司 | Display panel |
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| Publication number | Publication date |
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| CN106935600B (en) | 2020-05-19 |
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