CN206758437U - A kind of display panel and display device - Google Patents
A kind of display panel and display device Download PDFInfo
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- CN206758437U CN206758437U CN201720374103.3U CN201720374103U CN206758437U CN 206758437 U CN206758437 U CN 206758437U CN 201720374103 U CN201720374103 U CN 201720374103U CN 206758437 U CN206758437 U CN 206758437U
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Abstract
The utility model embodiment discloses a kind of display panel and display device.Wherein, display panel includes array base palte and cover plate, and the display panel has a viewing area and non-display area, formed with first step area on the array base palte, the first step area is located in the non-display area, and the first step area is provided with the first metal routing；The laminated construction that the first insulating barrier and the first conductive layer are formed is provided with the first step area, first insulating barrier covers first metal routing；The cover plate is provided with a circle conductive coil on the surface of the array base palte side, and the conductive coil is located in the non-display area and set around the viewing area, and the conductive coil electrically connects with first conductive layer.The utility model embodiment solves when carrying out electrostatic discharge testing to display device, the problem of easily wounding stepped region metal routing.
Description
Technical field
The utility model embodiment is related to Display Technique, more particularly to a kind of display panel and display device.
Background technology
Static discharge (Electro-Static discharge, ESD) refers to have the object of different electrostatic potentials mutual
Electric charge transfer caused by close or direct contact.Static discharge is the very common phenomenon for also being difficult to avoid.
Display device in production and in use, easily by the electrostatic discharge shock more than itself component ability to bear,
And when product can not dissipate or discharge electric charge, cause the low component failure of the anti-ESD threshold values in part.Therefore, static discharge can be led
Display device yield is caused to reduce, cost increase, production capacity declines, therefore needs to carry out ESD tests in display device production, to ensure
Display device will not cause the system failure because of ESD.However, ESD tests are being carried out to display device using ESD gun
When, easily puncture the cover plate of display device, and then wound the metal routing in display device on stepped region.
Utility model content
The utility model provides a kind of display panel and display device, during carrying out electrostatic discharge testing to display device,
Prevent from wounding the metal routing of stepped region.
On the one hand, the utility model embodiment provides a kind of display panel, including array base palte and cover plate, the display
Panel has a viewing area and non-display area, is located at institute formed with first step area, the first step area on the array base palte
State in non-display area, the first step area is provided with the first metal routing；
The laminated construction that the first insulating barrier and the first conductive layer are formed is provided with the first step area, described first is exhausted
Edge layer covers first metal routing；
The cover plate is provided with conductive coil on the surface of the array base palte side, and the conductive coil is located at institute
State in non-display area and set around the viewing area, the conductive coil electrically connects with first conductive layer.
On the other hand, the utility model embodiment additionally provides a kind of display device, including aobvious described in one side face
Show panel.
The utility model embodiment by cover plate close to array base palte side marginal surface set one circle conductive coil,
The electrostatic in first step area can be guided, prevent the first metal routing in first step area by damage by static electricity；Meanwhile first
The laminated construction that the first insulating barrier and the first conductive layer are formed is provided with stepped region, the first insulating barrier covers the first metal and walked
Line, conductive coil electrically connect with the first conductive layer, both can play insulation protection to the first metal routing by the first insulating barrier
Effect, can quickly be guided electrostatic by the first conductive layer again, be effectively prevent and is carried out electrostatic discharge testing to display device
When, the problem of first metal routing in first step area is wounded.
Brief description of the drawings
Fig. 1 is the cross-sectional view of existing display panel；
Fig. 2 is a kind of planar structure schematic diagram for display panel that the utility model embodiment provides；
Fig. 3 is the cross-sectional view of the A1-A2 along Fig. 2；
Fig. 4 is the floor map for the first metal routing that the first step area that the utility model embodiment provides is set；
Fig. 5 is the planar structure schematic diagram for another display panel that the utility model embodiment provides；
Fig. 6 is the cross-sectional view of the B1-B2 along Fig. 5；
Fig. 7 is the planar structure schematic diagram for another display panel that the utility model embodiment provides；
Fig. 8 is the cross-sectional view of the C1-C2 along Fig. 7；
Fig. 9 is a kind of structural representation for display device that the utility model embodiment provides.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein
Described specific embodiment is used only for explaining the utility model, rather than to restriction of the present utility model.Further need exist for
It is bright, for the ease of description, the part related to the utility model rather than entire infrastructure are illustrate only in accompanying drawing.
Fig. 1 is the cross-sectional view of existing display panel.As shown in figure 1, the display panel includes being oppositely arranged
Array base palte 1 and cover plate 2；Formed with stepped region in non-display area on array base palte 1, wherein, stepped region may include film
Transistor (Thin Film Transistor, TFT) stepped region 300 and touch-control (Touch Panel, TP) stepped region 400.Make
When carrying out electrostatic discharge testing to display panel with ESD gun 20, electrostatic easily punctures cover plate 2 and then reaches TFT stepped regions
300 and TP stepped regions 400, and the metal routing of transmission signal is provided with TFT stepped regions 300 and TP stepped regions 400, those
Metal routing easily by damage by static electricity, has a strong impact on electrostatic discharge testing.
To solve the above problems, the utility model embodiment provides a kind of display panel.
Fig. 2 is a kind of planar structure schematic diagram for display panel that the utility model embodiment provides；Fig. 3 is along Fig. 2
A1-A2 cross-sectional view；Fig. 4 is the first metal routing that the first step area that the utility model embodiment provides is set
Floor map.With reference to figure 2-4, the display panel of the present embodiment includes array base palte 1 and cover plate 2, and the display panel has
Viewing area 100 and non-display area 200, formed with first step area 300 on array base palte 1, first step area 300 is positioned at non-display
In area 200, first step area 300 is provided with the first metal routing 301；
Wherein, it is provided with the laminated construction that the first insulating barrier 3 and the first conductive layer 4 are formed in first step area 300, first
Insulating barrier 3 covers the first metal routing 301；
Cover plate 2 is provided with a circle conductive coil 5 on the surface of the side of array base palte 1, and conductive coil 5 is positioned at non-display
Set in area 200 and around viewing area 100, conductive coil 5 electrically connects with the first conductive layer 4.
In the present embodiment, one circle conductive coil 5 is set around marginal surface of the cover plate 2 close to the side of array base palte 1, right
When display device carries out body design, the metal edge frame of display device shell can be made directly to be contacted with conductive coil 5, can also be passed through
Metal lead wire leads to conductive coil 5 via cover plate 2 on the shell of display device, now, no matter to any region of display panel
Electrostatic discharge testing is carried out, the electrostatic that can be up to first step area 300 quickly exports to display dress by conductive coil 5
The shell put, the partial electrostatic is discharged；In addition, conductive coil 5 directly can make electrical contact with the first conductive layer 4, first is conductive
Layer 4 can have higher electrical conductivity and larger transmission cross section, can be by the first conductive layer 4 by the portion in first step area 300
Divide electrostatic to be quickly delivered on conductive coil 5, guided by conductive coil 5, further increase the electrical efficiency to electrostatic, reduce
To the electrostatic interference of the first metal routing 301 in first step area 300；Meanwhile cover first on the first metal routing 301
Insulating barrier 3, insulating effect is played to electrostatic, further protect the first metal routing 301 to avoid by damage by static electricity.
First step area in the utility model embodiment can be any stepped region for being provided with metal routing.
Exemplary, with continued reference to Fig. 3, array base palte 1 includes underlay substrate 11, and first step area 300 is formed at substrate
On substrate 11, i.e., first step area 300 is TFT stepped regions.Now, the first metal routing can be display signal lead, be used for
To viewing area transmitting display signal therefor.Based on above-described embodiment, optionally, the first insulating barrier 3 may include insulating cement, can be by insulating cement
It is applied on the first metal routing, the thickness of the insulating cement is 10~500 μm, and optionally, the thickness of the insulating cement can be 200
μm, to improve anti-static ability and adapt to the thickness of display panel；In addition, above-mentioned first conductive layer 4 may include conducting resinl, it is optional
, the conducting resinl can be formed by inkjet printing, to save masking process, and be adapted to the irregular surface knot of insulating cement
Structure, and insulating cement surface is accurately arranged at, wherein, inkjet printing is to move to processing after shower nozzle draws probe reagent from microwell plate
On the holder crossed, drop is ejected into by the power of the form injector such as temperature-sensitive or acoustic control by support surface, inkjet printing
Printed electronic field is can be applied to, mainly uses Printing techniques by electronics such as conductor, semiconductor, insulator, high molecular polymers
Material accurately prints to required position, and the high-tech such as printed substrate, LCDs, RFID tag, photocell are made
Product；The conducting resinl can be macromolecule conducting material, specifically may include poly- (3,4-rthylene dioxythiophene), nano silver wire and carbon
At least one of nanotube, for example, nano silver wire can be added in poly- (3,4-rthylene dioxythiophene) solvent, further improve
The electric conductivity of conducting resinl；The thickness of the conducting resinl is 1~50 μm, and optionally, the thickness of the conducting resinl is 5 μm, anti-quiet to improve
Electric energy power and the thickness for adapting to display panel.
Optionally, above-mentioned conductive coil 5 can be formed by silk-screen sintering process, to reduce process costs and make conductive coil
5 are securely fixed on cover plate 2；Wherein, silk-screen sintering process includes silk-screen printing and sintering process, and silk-screen printing is that handle carries
The template of image or pattern, which is attached on silk screen, is printed, and sintering is that powder or powder compact are heated to less than wherein basic
The temperature of the fusing point of composition, the process of room temperature is then cooled to certain method and speed.The result of sintering is powder particle
Between bond, the increase of the intensity of sintered body, the aggregation of powder particle is turned into the agglomerate of crystal grain, so as to obtain
Physics, the product or material of mechanical performance needed.The thickness of the conductive coil is 0.1~10 μm, optionally, the conductive coil
Thickness is 1 μm, to improve anti-static ability and adapt to the thickness of display panel.
The utility model embodiment by cover plate close to array base palte side marginal surface set one circle conductive coil,
The electrostatic in first step area can be guided, prevent the first metal routing in first step area by damage by static electricity；Meanwhile first
The laminated construction that the first insulating barrier and the first conductive layer are formed is provided with stepped region, the first insulating barrier covers the first metal and walked
Line, conductive coil electrically connect with the first conductive layer, both can play insulation protection to the first metal routing by the first insulating barrier
Effect, can quickly be guided electrostatic by the first conductive layer again, be effectively prevent and is carried out electrostatic discharge testing to display device
When, the problem of first metal routing in first step area is wounded.
In addition, array base palte may include touch control electrode layer, accordingly, above-mentioned first step area can be formed at the touch control electrode
On layer, i.e., first step area is TP stepped regions.Fig. 5 is the planar junction for another display panel that the utility model embodiment provides
Structure schematic diagram；Fig. 6 is the cross-sectional view of the B1-B2 along Fig. 5.It is unlike the embodiments above with reference to figure 5 and Fig. 6,
The array base palte 1 of the present embodiment includes touch control electrode layer 12, and first step area 300 is formed on touch control electrode layer 12.Specifically,
The display panel of the present embodiment includes array base palte 1 and cover plate 2, and the display panel has viewing area 100 and non-display area 200,
It is located on array base palte 1 formed with first step area 300, first step area 300 in non-display area 200, first step area 300 is set
It is equipped with the first metal routing (not shown)；
Wherein, it is provided with the laminated construction that the first insulating barrier 3 and the first conductive layer 4 are formed in first step area 300, first
Insulating barrier 3 covers the first metal routing；
Cover plate 2 is provided with a circle conductive coil 5 on the surface of the side of array base palte 1, and conductive coil 5 is positioned at non-display
Set in area 200 and around viewing area 100, conductive coil 5 electrically connects with the first conductive layer 4.
Accordingly, unlike the embodiments above, first metal routing of the present embodiment can be touching signals cabling,
For transmitting touching signals.Optionally, the first insulating barrier 3 may include insulating cement, and insulating cement can be applied to the first metal routing
On, the thickness of the insulating cement is 10~200 μm, and optionally, the thickness of the insulating cement can be 100 μm, to improve antistatic energy
Power and the thickness for adapting to display panel；In addition, above-mentioned first conductive layer 4 may include conducting resinl, optionally, the conducting resinl can pass through
Inkjet printing is formed, and to save masking process, and is adapted to the irregular surface texture of insulating cement, and be accurately arranged at insulation
Glue surface；The conducting resinl can be macromolecule conducting material, specifically may include poly- (3,4-rthylene dioxythiophene), nano silver wire and
At least one of CNT, for example, nano silver wire can be added in poly- (3,4-rthylene dioxythiophene) solvent, further carry
The electric conductivity of highly conductive glue；The thickness of the conducting resinl is 1~50 μm, and optionally, the thickness of the conducting resinl is 5 μm, anti-to improve
Electrostatic capacity and the thickness for adapting to display panel.
Optionally, above-mentioned conductive coil 5 can be formed by silk-screen sintering process, to reduce process costs and make conductive coil
5 are securely fixed on cover plate 2.The thickness of the conductive coil is 0.1~10 μm, and optionally, the thickness of the conductive coil is 1 μ
M, to improve anti-static ability and adapt to the thickness of display panel.
Fig. 7 is the planar structure schematic diagram for another display panel that the utility model embodiment provides；Fig. 8 is along Fig. 7
Middle C1-C2 cross-sectional view.Unlike the embodiments above, the present embodiment includes first step area and second simultaneously
Stepped region.Specifically, with reference to figure 7 and Fig. 8, the display panel of the present embodiment includes array base palte 1 and cover plate 2, the display panel
With viewing area 100 and non-display area 200, it is located at non-formed with first step area 300, first step area 300 on array base palte 1
In viewing area 200, first step area 300 is provided with the first metal routing (not shown)；
Wherein, it is provided with the laminated construction that the first insulating barrier 3 and the first conductive layer 4 are formed in first step area 300, first
Insulating barrier 3 covers the first metal routing；
Second step area 400 is also formed with array base palte 1, second step area 400 is located in non-display area 200, and second
Stepped region 400 is provided with the second metal routing (not shown)；
The laminated construction that the second insulating barrier 6 and the second conductive layer 7 are formed, the second insulation are provided with second step area 400
Layer 6 covers the second metal routing；
Cover plate 2 is provided with a circle conductive coil 5 on the surface of the side of array base palte 1, and conductive coil 5 is positioned at non-display
Set in area 200 and around viewing area 100, conductive coil 5 electrically connects with the first conductive layer 4, the second conductive layer 7 and conductive coil
5 electrical connections.
Exemplary, with continued reference to Fig. 8, the array base palte 1 of the present embodiment includes underlay substrate 11, first step area 300
It is formed on underlay substrate 11.Array base palte 1 also includes touch control electrode layer 12, and second step area 400 is formed at touch control electrode layer
On 12.
Accordingly, the first metal routing includes display signal lead, for viewing area transmitting display signal therefor；Second metal
Cabling includes touching signals cabling, for transmitting touching signals.
It should be noted that display signal lead simply illustrates that this part cabling prevailing transmission shows signal, but also do not arrange
Except part or all of display signal lead is multiplexed with the situation of touching signals cabling, when partly or entirely display signal lead multiplexing
For touching signals cabling when, the first metal routing is engaged with the second metal routing to carry out touch-control and shows, metal routing is used
Make touch-control driving, another metal routing is used as touch control detection.
Optionally, the display panel of the present embodiment can be OLED display panel, exemplary, as shown in figure 8, above-mentioned lining
Organic luminous layer 13, the thin-film encapsulation layer 14 for covering organic luminous layer 13, touch control electrode layer can be sequentially laminated with substrate 11
12 and polaroid 15, cover plate 2 can be fitted to by optical cement 8 on array base palte 1.
Optionally, first insulating barrier 3 of the present embodiment and/or the second insulating barrier 6 may include insulating cement.Wherein, First
The thickness of insulating cement is 10~500 μm in rank area 300, and optionally, the thickness of the insulating cement is 200 μm；In second step area 400
The thickness of insulating cement is 10~200 μm, and optionally, the thickness of the insulating cement is 100 μm, to improve anti-static ability and adapt to aobvious
Show the thickness of panel.
Optionally, first conductive layer 4 of the present embodiment and/or the second conductive layer 7 may include what is formed by inkjet printing
Conducting resinl.Wherein, conducting resinl can be macromolecule conducting material, specifically may include poly- (3,4-rthylene dioxythiophene), silver nanoparticle
At least one of line and CNT.The thickness of conducting resinl is 1~50 μm, optionally, the conducting resinl in first step area 300
Thickness be 5 μm；The thickness of conducting resinl is 1~50 μm in second step area 400, and optionally, the thickness of the conducting resinl is 5 μm,
To improve anti-static ability and adapt to the thickness of display panel.
Optionally, the conductive coil 5 of the present embodiment can be formed by silk-screen sintering process, to reduce process costs and make to lead
Electric coil 5 is securely fixed on cover plate 2.The thickness of the conductive coil is 0.1~10 μm, optionally, the thickness of the conductive coil
Spend for 1 μm, to improve anti-static ability and adapt to the thickness of display panel.
The utility model embodiment by cover plate close to array base palte side marginal surface set one circle conductive coil,
The electrostatic in stepped region (first step area and second step area) can be guided, prevent metal routing (the first gold medal on stepped region
Belong to cabling and the second metal routing) by damage by static electricity；Meanwhile the lamination knot that insulating barrier and conductive layer are formed is provided with stepped region
Structure, insulating barrier covering metal routing, conductive coil are electrically connected with conductive layer, metal routing can both played absolutely by insulating barrier
Edge protective effect, electrostatic can quickly be guided by conductive layer again, effectively prevent and static discharge survey is carried out to display device
During examination, the problem of the category cabling of stepped region is wounded.
The utility model embodiment additionally provides a kind of display device, as shown in figure 9, the display device 10 includes above-mentioned
Display panel 101 described in one embodiment.
Wherein, display device 10 can be that mobile phone, computer, television set and intelligence dress display device etc., the present embodiment pair
This is not particularly limited.
Pay attention to, above are only preferred embodiment of the present utility model and institute's application technology principle.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, can carried out for a person skilled in the art various bright
Aobvious change, readjust and substitute without departing from the scope of protection of the utility model.Therefore, although passing through above example
The utility model is described in further detail, but the utility model is not limited only to above example, is not departing from
In the case that the utility model is conceived, other more equivalent embodiments can also be included, and the scope of the utility model is by appended
Right determine.
Claims (17)
1. a kind of display panel, including array base palte and cover plate, it is characterised in that the display panel has viewing area and non-aobvious
Show area, be located on the array base palte formed with first step area, the first step area in the non-display area, described first
Stepped region is provided with the first metal routing；
The laminated construction that the first insulating barrier and the first conductive layer are formed, first insulating barrier are provided with the first step area
Cover first metal routing；
The cover plate is provided with a circle conductive coil on the surface of the array base palte side, and the conductive coil is located at institute
State in non-display area and set around the viewing area, the conductive coil electrically connects with first conductive layer.
2. display panel according to claim 1, it is characterised in that be also formed with second step on the array base palte
Area, the second step area are located in the non-display area, and the second step area is provided with the second metal routing；
The laminated construction that the second insulating barrier and the second conductive layer are formed, second insulating barrier are provided with the second step area
Cover second metal routing；
Second conductive layer electrically connects with the conductive coil.
3. display panel according to claim 2, it is characterised in that first metal routing includes display signal and walked
Line.
4. display panel according to claim 3, it is characterised in that second metal routing is walked including touching signals
Line.
5. display panel according to claim 2, it is characterised in that the array base palte includes underlay substrate, and described
One stepped region is formed on the underlay substrate.
6. display panel according to claim 5, it is characterised in that the array base palte also includes touch control electrode layer, institute
Second step area is stated to be formed on the touch control electrode layer.
7. display panel according to claim 6, it is characterised in that be sequentially laminated with organic light emission on the underlay substrate
Thin-film encapsulation layer, the touch control electrode layer and the polaroid of layer, the covering organic luminous layer.
8. display panel according to claim 2, it is characterised in that first insulating barrier and/or second insulation
Layer includes insulating cement.
9. display panel according to claim 8, it is characterised in that the thickness of insulating cement is 10 in the first step area
~500 μm.
10. display panel according to claim 8, it is characterised in that the thickness of insulating cement is in the second step area
10~200 μm.
11. display panel according to claim 2, it is characterised in that first conductive layer and/or second conduction
Layer includes the conducting resinl formed by inkjet printing.
12. display panel according to claim 11, it is characterised in that the conducting resinl includes poly- (3,4- ethylene dioxies
Thiophene), at least one of nano silver wire and CNT.
13. display panel according to claim 11, it is characterised in that the thickness of conducting resinl is in the first step area
1~50 μm.
14. display panel according to claim 11, it is characterised in that the thickness of conducting resinl is in the second step area
1~50 μm.
15. display panel according to claim 1, it is characterised in that the conductive coil passes through silk-screen sintering process shape
Into.
16. display panel according to claim 15, it is characterised in that the thickness of the conductive coil is 0.1~10 μm.
17. a kind of display device, it is characterised in that including the display panel as described in claim any one of 1-16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720374103.3U CN206758437U (en) | 2017-04-11 | 2017-04-11 | A kind of display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720374103.3U CN206758437U (en) | 2017-04-11 | 2017-04-11 | A kind of display panel and display device |
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| CN206758437U true CN206758437U (en) | 2017-12-15 |
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| CN201720374103.3U Active CN206758437U (en) | 2017-04-11 | 2017-04-11 | A kind of display panel and display device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107909954A (en) * | 2017-12-27 | 2018-04-13 | 深圳市华星光电技术有限公司 | The restorative procedure and device of a kind of display panel |
| CN111739422A (en) * | 2020-06-29 | 2020-10-02 | 上海天马微电子有限公司 | Display panel, manufacturing method thereof and display device |
| CN113437093A (en) * | 2021-06-24 | 2021-09-24 | 京东方科技集团股份有限公司 | Display panel, manufacturing method of display panel and display device |
| CN113504665A (en) * | 2021-07-12 | 2021-10-15 | 惠州市德赛西威汽车电子股份有限公司 | On-vehicle display screen electrostatic protection structure |
| CN114489366A (en) * | 2020-11-12 | 2022-05-13 | 上海和辉光电股份有限公司 | Touch display panel, display device and electronic equipment |
-
2017
- 2017-04-11 CN CN201720374103.3U patent/CN206758437U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107909954A (en) * | 2017-12-27 | 2018-04-13 | 深圳市华星光电技术有限公司 | The restorative procedure and device of a kind of display panel |
| CN111739422A (en) * | 2020-06-29 | 2020-10-02 | 上海天马微电子有限公司 | Display panel, manufacturing method thereof and display device |
| CN114489366A (en) * | 2020-11-12 | 2022-05-13 | 上海和辉光电股份有限公司 | Touch display panel, display device and electronic equipment |
| CN113437093A (en) * | 2021-06-24 | 2021-09-24 | 京东方科技集团股份有限公司 | Display panel, manufacturing method of display panel and display device |
| CN113437093B (en) * | 2021-06-24 | 2024-05-17 | 京东方科技集团股份有限公司 | Display panel, manufacturing method of display panel and display device |
| CN113504665A (en) * | 2021-07-12 | 2021-10-15 | 惠州市德赛西威汽车电子股份有限公司 | On-vehicle display screen electrostatic protection structure |
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Effective date of registration: 20211111 Address after: 430205 No. 8, liufangyuanheng Road, Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee after: Wuhan Tianma Microelectronics Co., Ltd Patentee after: Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch Address before: 200120 room 509, building 1, No. 6111, Longdong Avenue, Pudong New Area, Shanghai Patentee before: Shanghai Tianma organic light emitting display technology Co., Ltd |