CN109375442A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
- Publication number
- CN109375442A CN109375442A CN201811577718.1A CN201811577718A CN109375442A CN 109375442 A CN109375442 A CN 109375442A CN 201811577718 A CN201811577718 A CN 201811577718A CN 109375442 A CN109375442 A CN 109375442A
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- CN
- China
- Prior art keywords
- display panel
- layer
- metal routing
- glue frame
- via hole
- Prior art date
- 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.)
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Classifications
-
- 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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136204—Arrangements to prevent high voltage or static electricity failures
-
- 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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136227—Through-hole connection of the pixel electrode to the active element through an insulation layer
-
- 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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136286—Wiring, e.g. gate line, drain line
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Of the invention to provide a kind of display panel and its display device, wherein the display panel includes viewing area and glue frame area, glue frame area range is that two glue frame edge lines surround.The glue frame area and panel cutting line are provided with color membrane substrates common signal line；It further include a plurality of clock cable in the glue frame area, the glue frame area of the clock cable parallelly distribute on and glue frame line encirclement, for connecting the signal wire of viewing area；Signal wire is correspondingly connected with the clock cable perpendicular to the clock cable, the signal wire parallelly distribute on, each signal wire.To reach electric arc when shielding ESD test, avoid electrostatic arc damage to the clock cable in internal glue frame area.
Description
Technical field
The present invention relates to field of liquid crystal more particularly to a kind of display panel and display devices.
Background technique
With the development of information-intensive society, demand of the people to display equipment is increased, thus has also pushed liquid crystal surface
The fast development of board industry.Requirement of the client to LCD TV and taste are also higher and higher, also to the side of panel reliability test
Method is also increasingly harsher.
It is known that array substrate or LCD panel mould group can all carry out ESD (Electro-Static before shipment
Discharge test) test, that is, Electro-static Driven Comb test, to assess the performance of its resistance to electrostatic.As shown in Figure 1, it is
With the electrostatic striking point 13 on high-pressure electrostatic rifle electric discharge impact test panel frame 11, result is punctured to assess test according to it
The resistance to electrostatic capacity of panel.
Further, because it is contemplated that cost reason, product is more and more extensive by GOA (chip on array) at present, and GOA
The resistance to electrostatic capacity of product is relatively weak, and therefore, frame can will not be mostly damaged to using metal material for electrostatic to be guided
Panel.If frame 11 uses non-conductive glue frame, electrostatic will be transmitted in display panel, and the area display panel GOA is caused to be damaged
Hurt and picture exception occurs.Especially for the GOA display panel of narrow frame, frame glue can be set with GOA clock signal line overlap
Meter, when carrying out test point of the ESD test on high-pressure electrostatic gunslinging gluing frame, electrostatic electric arc can be guided in panel
Probability of happening it is very high, it is abnormal so as to cause Display panel picture.
As shown in Fig. 2, which illustrates a kind of GOA type display panels that industry is common.Wherein 21 be face plate edge (cutting
Line), 22 be frame glue edge, and 23~28 be GOA CK signal wire, and 29 be color membrane substrates common signal line, and 30 be to hold in ESD test
The via hole ITO easily wounded by electrostatic electric arc.
The wherein common GOA type display panel of current industry, the side GOA peripheral wiring is to the sequence outside face out of face:
VSSG-VSSQ-LC1-LC2-CK1-CK2-CK3-CK4-CK5-CK6-CF COM, wherein in addition to CF COM in the side GOA without drawing
(aperture lead is not needed) inside and outside line to face, other signal wires require in aperture lead to face, and it is conductive that ITO is covered on via hole
Film, and upper plate CF substrate is whole face ITO conductive film, so electrostatic electric arc can directly lead upper plate CF in ESD test process
On the ITO of substrate because thickness of liquid crystal box is generally in 3.0um~3.8um or so, electric arc be easy to from upper plate ITO across
The ITO that intermediate medium wounds array substrate side is crossed, the hole-through conductive that will lead in array substrate in this way is abnormal, therefore clock
Signal just can not be in normal transmission plane, to picture exception occur.
For example, as shown in figs. 34, status diagram when ESD test is carried out which illustrates display panel to be tested.Its
In 31 be array substrate, 32 be the ito film on GOA clock signal cabling, and 33 be CF substrate, and 34 be ito film, and 35 be frame glue, 36
It discharges for mould group frame, 37 for ESD static gun, the electric current that will lead to release wounds array substrate CK by upper plate ITO conduction again
Ito film on signal wire.
Therefore, it is necessory to develop a kind of novel display panel, to overcome defect in the prior art.
Summary of the invention
It is an object of the present invention to provide a kind of display panel, it can effectively solve it and go out during carrying out ESD
The problem of existing quiet arc damage clock signal cabling.
In order to solve the above technical problems, the present invention provides a kind of display panel, including viewing area, the glue frame area being sequentially connected
And marginal zone, wherein color membrane substrates common signal line is provided in the marginal zone, wherein the color membrane substrates common signal line
Including the first metal routing, insulating layer, the second metal routing, passivation layer, flatness layer and the ITO layer set gradually；Wherein institute
It states flatness layer and to lower recess passes through the passivation layer and insulating layer until first metal surface is formed with the first via hole, it is described
ITO layer is electrically connected by first via hole and first metal routing.The flatness layer also passes through to lower recess described
For passivation layer until the second metal layer surface is formed with the second via hole, the ITO layer passes through second via hole and described the
Two metal routings are electrically connected.
Further, the first metal routing is electrically connected by the ITO layer and second metal routing.
Further, second metal routing is located at the side of first via hole, sets between first via hole
It is equipped with the passivation layer and planarization layer.
Further, the material that the ITO layer is selected is indium tin oxide material.
Further, the material that first metal routing is selected is copper.
Further, second metal routing is with a thickness of 400~450nm.
Further, the material that second metal routing is selected is copper.
Further, in first metal routing is wrapped in by the insulating layer, wherein the passivation layer is by described the
In two metal routings are wrapped in.
Further, it is provided with the clock cable of 2 or more quantity in the glue frame area, be used for and is arranged described
The scan line of display panel viewing area is electrically connected.
It is yet another object of the invention to provide a kind of display devices comprising the display panel of the present invention.
The beneficial effects of the present invention are: a kind of display panel proposed by the present invention and display device, by panel
The one public cabling of peripheral color membrane substrates of marginal zone setting, and the second metal routing is added on its first metal routing, passed through
Hole design and ITO covering, are electrically connected the second metal routing and the first metal routing, in this way, the display panel is carrying out
When electrostatic test or in actual use, the electrostatic generated thereon can be directed to its coloured silk being arranged at peripheral edge
On the public cabling of ilm substrate, to reach shielded arc, avoid electrostatic arc damage to internal clock cable, so that
The viewing area of the display panel can normally work.
Detailed description of the invention
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is prior art ESD electrostatic striking point structural schematic diagram；
Fig. 2 is the structural schematic diagram of prior art display panel；
Fig. 3 is GOA type display panel longitudinal profile structure schematic in the prior art；
When Fig. 4 is that GOA type display panel carries out ESD test in the prior art, shape of the panel by electrostatic arc damage
State schematic diagram；
Fig. 5 is a kind of structural schematic diagram for display panel that one embodiment of the present invention provides；
Fig. 6 is display panel shown in fig. 5, the schematic cross-sectional view of the public cabling of peripheral color membrane substrates of setting；
Fig. 7 is the longitudinal profile structure schematic of the display panel of the present invention；
Fig. 8 is status diagram of the display panel shown in Fig. 7 in the arc damage be subject to when ESD test.
Specific embodiment
The explanation for being below each embodiment is can to use the specific reality implemented to illustrate the present invention with reference to additional schema
Apply example.The direction term that the present invention is previously mentioned, for example, above and below, front, rear, left and right,
Inside and outside, side etc. is only the direction with reference to accompanying drawings.The element title that the present invention mentions, such as first,
Second etc., it is only to discriminate between different components, can preferably be expressed.The similar unit of structure is in the figure with phase
It is indicated with label.
Herein with reference to the accompanying drawings to detailed description of the present invention embodiment.The present invention can show as many different forms,
The present invention should not be only interpreted as specific embodiment set forth herein.It is to explain the present invention that the present invention, which provides these embodiments,
Practical application, to make others skilled in the art it will be appreciated that various embodiments of the present invention and being suitable for specific expection
The various modifications scheme of application.
It please refers to shown in Fig. 5, An embodiment provides a kind of display panels, including the display being sequentially connected
Area, glue frame area and marginal zone, wherein glue frame area range is that two glue frame edge lines 42 surround, the marginal zone is
The glue frame edge line 42 and the region between panel cutting line 41.
Wherein color membrane substrates common signal line 49 is provided in the marginal zone；It is additionally provided in the glue frame area a plurality of
Clock cable 43, the clock cable 43 are distributed parallelly in the glue frame area, and extend to institute with from the viewing area
The signal wire 410 stated in glue frame area connects.Wherein the signal wire 410 is perpendicular to the clock cable 43, and each is believed
Number line 410 is correspondingly connected with a clock cable 43.
It please refers to shown in Fig. 6, wherein the color membrane substrates common signal line 49 includes the first gold medal being arranged on substrate 61
Belong to cabling 62, insulating layer 63, the second metal routing 64, passivation layer 65, flatness layer 66 and ITO layer 67.
Wherein first metal routing 62 is arranged on the substrate 61, and the insulating layer 63 is also disposed at the substrate
It is wrapped on 61 and by first metal routing 62 interior.Second metal routing 64 is arranged on the insulating layer 63, institute
It states passivation layer 65 to be arranged on second metal routing 64, and in being wrapped in, the flatness layer 66 is arranged described blunt
Change on layer 66.
Wherein also recess is formed with the first via hole 68 and the second via hole 69 to the flatness layer 66 downwards, wherein first mistake
Hole 68 passes through the passivation layer 65 and insulating layer 63 up to 62 surface of the first metal routing, and second via hole is then
The passivation layer 65 is passed through to 64 surface of the second metal routing to lower recess, wherein second via hole 68 is located at described the
Also there is 66 part of 65 part of passivation layer and flatness layer the side of one via hole 69 between the two.
Further, it is additionally provided with ITO layer on the planarization layer 66, passes through first via hole 68 and the second mistake
Hole 69 is electrically connected with first metal routing 62 and the second metal routing 64 respectively, and then realizes first metal routing
62 and the second electric connection between metal routing 64.Wherein the selection of material of the ITO layer 67 is preferably indium tin oxide material,
And the material that first metal routing 62 and the second metal routing 64 are selected is preferably metallic copper, but is not limited to.
It please refers to shown in Fig. 7, being illustrated as the present invention in the longitudinal profile structure of display panel includes being arranged in array substrate
The ITO layer 52 on clock cabling, frame glue 55, color membrane substrates ITO layer 54 and color membrane substrates 53 on 51.
Wherein the ITO layer 52 on the clock cabling is arranged in the array substrate 51, and the frame glue 55 is arranged in institute
It states in clock cabling ITO layer 52, the color membrane substrates ITO layer 54 is arranged 55 in the frame glue, and the color membrane substrates 53 are arranged
In the color membrane substrates ITO layer 54.The ITO layer 54 is namely the ITO layer on the color membrane substrates common wire 49 in Fig. 5,
69 ITO layer 67 between the first via hole 68 and the second via hole that puncture place in Fig. 5 is Fig. 7.
Further, the display panel further includes a U-shaped mould group frame 56, and lower frame is arranged in the array substrate 51
In the following, 53 top of color membrane substrates is arranged in upper side frame.
Compared with prior art, one second via hole is set on color membrane substrates common wire, is connected setting the by ITO layer
Two metal routings.The ITO layer is conductive material, mainly indium tin oxide material, can effective pilot arc, avoid testing
When influence to the clock cable in glue frame area.
Please refer to shown in Fig. 8, figure display panel not of the invention in the schematic diagram damaged when ESD test,
Its damage region be Fig. 6 the first via hole and the second via hole between ITO layer, in this way can with shielded arc to glue frame area when
The influence of clock signal wire.
Wherein the display panel is when carrying out ESD test, ESD static gun 57, and by hitting mould group frame 56, conduction is extremely
Color membrane substrates ITO layer, then the ito film wounded on array base color membrane substrates common wire again is conducted by color membrane substrates ITO layer 54.This
Sample can shielded arc, play the role of protecting array substrate, avoid picture occurs in ESD test process abnormal.
The present invention also provides a kind of display device, including the display panel, mainly using glue frame area and cutting line it
Between the public cabling of color membrane substrates, the second metal routing is placed on the first metal routing, is covered by Via Design and ITO,
Second metal routing and the first metal routing are electrically connected, reaches shielded arc, avoids electrostatic arc damage to clock signal
Line allows viewing area normally to work.
It should be pointed out that can also have the embodiment of a variety of transformation and remodeling for the present invention through absolutely proving,
It is not limited to the specific embodiment of above embodiment.Above-described embodiment is as just explanation of the invention, rather than to hair
Bright limitation.In short, protection scope of the present invention should include that those are obvious to those skilled in the art
Transformation or substitution and remodeling.
Claims (10)
1. a kind of display panel, including the viewing area, glue frame area and marginal zone being sequentially connected, between the glue frame area and cutting line
It is provided with color membrane substrates common signal line, the color membrane substrates common signal line includes the first metal routing set gradually, absolutely
Edge layer, passivation layer, flatness layer and ITO layer；Wherein, the flatness layer to lower recess pass through the passivation layer and insulating layer until
First metal surface is formed with the first via hole, and the ITO layer passes through first via hole and first metal routing electricity
Property connection；It is characterized by:
The second metal routing is additionally provided on the insulating layer, the flatness layer passes through the passivation layer until described to lower recess
Second metal layer surface is formed with the second via hole, and the ITO layer is electrical by second via hole and second metal routing
Connection.
2. display panel according to claim 1, which is characterized in that
First metal routing is electrically connected by the ITO layer and second metal routing.
3. display panel according to claim 1, which is characterized in that
Second metal routing is located at the side of first via hole, is provided with the passivation layer between first via hole
And planarization layer.
4. display panel according to claim 1, which is characterized in that
The material of the ITO layer is indium tin oxide material.
5. display panel according to claim 1, which is characterized in that
The first metal routing material is copper.
6. display panel according to claim 1, which is characterized in that
Second metal routing is with a thickness of 400~450nm.
7. display panel according to claim 1, which is characterized in that
The second metal routing material is copper.
8. display panel according to claim 1, which is characterized in that
In first metal routing is wrapped in by the insulating layer, wherein the passivation layer wraps up second metal routing
In interior.
9. display panel according to claim 1, which is characterized in that
The clock cable of 2 or more quantity is provided in the glue frame area, for showing with setting in the display panel
The scan line in area is electrically connected.
10. a kind of display device, which is characterized in that including display panel such as according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811577718.1A CN109375442B (en) | 2018-12-20 | 2018-12-20 | Display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811577718.1A CN109375442B (en) | 2018-12-20 | 2018-12-20 | Display panel and display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109375442A true CN109375442A (en) | 2019-02-22 |
| CN109375442B CN109375442B (en) | 2021-08-06 |
Family
ID=65371641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811577718.1A Active CN109375442B (en) | 2018-12-20 | 2018-12-20 | Display panel and display device |
Country Status (1)
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109841633A (en) * | 2019-03-14 | 2019-06-04 | 信利半导体有限公司 | One kind changing a layer structure |
| CN110488541A (en) * | 2019-08-20 | 2019-11-22 | 深圳市华星光电技术有限公司 | Display panel and its manufacturing method |
| CN110702955A (en) * | 2019-09-19 | 2020-01-17 | 南京中电熊猫平板显示科技有限公司 | Electrostatic protection device and anti-static test circuit |
| CN110930921A (en) * | 2019-11-25 | 2020-03-27 | 深圳市华星光电半导体显示技术有限公司 | GOA circuit and display panel comprising same |
| WO2020107734A1 (en) * | 2018-11-29 | 2020-06-04 | 深圳市华星光电半导体显示技术有限公司 | Display panel and display device |
| CN111261120A (en) * | 2020-01-21 | 2020-06-09 | 合肥京东方卓印科技有限公司 | Display device, pixel circuit and display panel thereof |
| CN111427209A (en) * | 2020-04-09 | 2020-07-17 | 深圳市华星光电半导体显示技术有限公司 | Liquid crystal display panel |
| CN111739425A (en) * | 2020-06-30 | 2020-10-02 | 昆山国显光电有限公司 | Display panel and display device |
| CN113219741A (en) * | 2021-04-20 | 2021-08-06 | 绵阳惠科光电科技有限公司 | Display panel and display device |
| CN114019736A (en) * | 2021-11-05 | 2022-02-08 | 京东方科技集团股份有限公司 | Display substrate and display device |
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| CN110930921B (en) * | 2019-11-25 | 2021-05-07 | 深圳市华星光电半导体显示技术有限公司 | GOA circuit and display panel comprising same |
| US11521528B2 (en) | 2019-11-25 | 2022-12-06 | Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | GOA circuit and display panel including same |
| CN111261120B (en) * | 2020-01-21 | 2022-03-18 | 合肥京东方卓印科技有限公司 | Display device, pixel circuit and display panel thereof |
| CN111261120A (en) * | 2020-01-21 | 2020-06-09 | 合肥京东方卓印科技有限公司 | Display device, pixel circuit and display panel thereof |
| CN111427209A (en) * | 2020-04-09 | 2020-07-17 | 深圳市华星光电半导体显示技术有限公司 | Liquid crystal display panel |
| CN111739425A (en) * | 2020-06-30 | 2020-10-02 | 昆山国显光电有限公司 | Display panel and display device |
| CN113219741A (en) * | 2021-04-20 | 2021-08-06 | 绵阳惠科光电科技有限公司 | Display panel and display device |
| CN114019736A (en) * | 2021-11-05 | 2022-02-08 | 京东方科技集团股份有限公司 | Display substrate and display device |
| CN114019736B (en) * | 2021-11-05 | 2023-10-20 | 京东方科技集团股份有限公司 | Display substrate and display device |
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