CN110426880A - Display panel and device - Google Patents
Display panel and device Download PDFInfo
- Publication number
- CN110426880A CN110426880A CN201910748372.5A CN201910748372A CN110426880A CN 110426880 A CN110426880 A CN 110426880A CN 201910748372 A CN201910748372 A CN 201910748372A CN 110426880 A CN110426880 A CN 110426880A
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- Prior art keywords
- display screen
- screen body
- metal backing
- conductive layer
- display panel
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Classifications
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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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05F—STATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
- H05F3/00—Carrying-off electrostatic charges
- H05F3/02—Carrying-off electrostatic charges by means of earthing connections
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05F—STATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
- H05F3/00—Carrying-off electrostatic charges
- H05F3/04—Carrying-off electrostatic charges by means of spark gaps or other discharge devices
-
- 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
- G02F2202/00—Materials and properties
- G02F2202/22—Antistatic materials or arrangements
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Elimination Of Static Electricity (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The present invention provides a kind of display panel and devices, belong to field of display technology.The display panel includes display screen body and the electrostatic protection structure for being set to the display screen body back side；The electrostatic protection structure includes metal backing and the first conductive layer being arranged on the metal backing；First conductive layer is located at the metal backing towards the side of the display screen body, and the metal backing is electrically connected backwards to the ground terminal of the side of the display screen body and the circuit board of the display screen body；The circumferential edge of first conductive layer is provided with multiple point discharge portions, and the point discharge portion is electrically connected with the display screen body and the metal backing respectively, and can carry out point discharge.The electrostatic generated on display screen body can be exported in time, prevent the generation of electrostatic breakdown phenomenon by display panel and device provided by the invention.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of display panels and device.
Background technique
With the development of liquid crystal technology, liquid crystal display panel because its image is shown it is clear due to be widely used in computer,
In the products such as mobile phone and TV.
In the manufacturing process of liquid crystal display panel, production environment and making apparatus would generally generate electrostatic, and these are quiet
Electricity may be transferred in display panel；Alternatively, product test terminal can will also produce in test process during product test
Raw electrostatic is transferred in display panel, with aggregation of the electrostatic in display panel, can generate electrostatic breakdown and to display surface
Plate causes irreversible damage, to influence the display effect of display panel.
Summary of the invention
The embodiment of the invention provides a kind of display panel and devices, and display screen body is provided with electrostatic protection structure,
The phenomenon that can the electrostatic that generated on display screen body being exported in time, prevent electrostatic breakdown generation.
To achieve the goals above, the embodiment of the present invention adopts the following technical scheme that
On the one hand the embodiment of the present invention provides a kind of display panel, including display screen body and be set to the display screen body
The electrostatic protection structure at the back side；The electrostatic protection structure include metal backing and be arranged on the metal backing first
Conductive layer；First conductive layer is located at the metal backing towards the side of the display screen body, and the metal backing is backwards
The ground terminal of the circuit board of the side of the display screen body and the display screen body is electrically connected；The circumferential direction of first conductive layer
Edge is provided with multiple point discharge portions, and the point discharge portion electrically connects with the display screen body and the metal backing respectively
It connects.
Further, first conductive layer uses the conductive material production with high voltage conduction, low-voltage insulation.
Further, the metal backing is provided with the second conductive layer backwards to the side of the display screen body, and described second
Conductive layer and first conductive layer are made of identical conductive material；
It is provided with conductive hole in second conductive layer, is provided in the conductive hole and is made of anisotropy conductiving glue
Conductive column, one end of the conductive column and the metal backing are electrically connected, and the other end and the ground terminal are electrically connected, and institute
Conductive column is stated to be electrically insulated with second conductive layer.
Further, insulation foamed cotton layer is provided between the metal backing and the display screen body；
The insulation foamed cotton layer is provided with multiple via holes, is filled with and first conductive in the via hole
Identical conductive material.
Further, the insulation foamed cotton layer is between first conductive layer and the display screen body.
Further, the insulation foamed cotton layer is between first conductive layer and the metal backing.
Further, the insulation bubble surface layer and the first conductive layer same layer are arranged.
Further, multiple point discharge portions are uniformly distributed along the circumferential direction of the insulation foamed cotton layer.
Further, the insulation foamed cotton layer is rectangular, and the corner location of the insulation foamed cotton layer is each provided with one
The point discharge portion.
On the other hand the embodiment of the present invention additionally provides a kind of display device comprising cover board and display panel；It is described aobvious
Show that panel includes display screen body and the electrostatic protection structure that the display screen body back side is arranged in；The cover board setting is described aobvious
The front of display screen body.
Compared with prior art, display panel and device provided in an embodiment of the present invention have the advantage that
Display panel and device provided in an embodiment of the present invention comprising display screen body and the back side that display screen body is set
Metal backing, and the ground terminal of the circuit board of metal backing and display screen body is electrically connected, metal backing and display screen body it
Between be provided with the first conductive layer, and the circumferential edge position of the first conductive layer is provided with multiple point discharge portions, and point discharge
The two sides in portion are electrically connected with display screen body and metal backing respectively.
When display screen body is there are when electrostatic, electrostatic can be assembled at point discharge portion and generate point discharge, be conducive to by
The generation for the phenomenon that electrostatic on display screen body exports, avoids electrostatic breakdown, promotes the display effect and yields of display panel.
In addition to it is described above present invention solves the technical problem that, constitute technical solution technical characteristic and by these
Outside beneficial effect brought by the technical characteristic of technical solution, display panel and device provided in an embodiment of the present invention be can solve
Other technologies problem, the other technical characteristics and these technical characteristic bring beneficial effects that include in technical solution, will
Further details of explanation is made in a specific embodiment.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, the present invention will be implemented below
Example or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is only a part of the embodiments of the present invention, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the cross-sectional view of display panel provided in an embodiment of the present invention；
Fig. 2 is the top view of display panel provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the second conductive layer provided in an embodiment of the present invention and conductive column；
Fig. 4 is the scheme of installation one of insulation foamed cotton layer provided in an embodiment of the present invention；
Fig. 5 is insulation foamed cotton layer scheme of installation two provided in an embodiment of the present invention；
Fig. 6 is insulation foamed cotton layer scheme of installation three provided in an embodiment of the present invention；
Fig. 7 is the connection schematic diagram of cover board provided in an embodiment of the present invention and display screen body.
Description of symbols:
10- display screen body；
The first conductive layer of 20-；
21- point discharge portion；
30- metal backing；
The second conductive layer of 40-；
50- conductive column；
60- circuit board；
70- insulation foamed cotton layer；
80- conducting structure；
90- cover board.
Specific embodiment
In order to keep the above objects, features and advantages of the present invention more obvious and easy to understand, below in conjunction with of the invention real
The attached drawing in example is applied, technical scheme in the embodiment of the invention is clearly and completely described.Obviously, described implementation
Example is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is general
Logical technical staff all other embodiment obtained without creative labor, belongs to protection of the present invention
Range.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
Fig. 1 is the cross-sectional view of display panel provided in an embodiment of the present invention, and Fig. 2 is display surface provided in an embodiment of the present invention
The top view of plate.
As depicted in figs. 1 and 2, display panel provided in an embodiment of the present invention, including display screen body 10 and it is set to display
Shield the electrostatic protection structure at 10 back side of body, electrostatic protection structure includes metal backing 30 and the setting side on metal backing 30
The first conductive layer 20；First conductive layer 20 is located at metal backing 30 towards the side of display screen body 10, and metal backing 30 is backwards
The ground terminal of the circuit board 60 of the side and display screen body 10 of display screen body 10 is electrically connected；The circumferential edge of first conductive layer 20
Multiple point discharge portions 21 are provided with, point discharge portion 21 is electrically connected with display screen body 10 and metal backing 30 respectively.
Specifically, display screen body 10 may be selected to be liquid crystal display, the back side of display screen body 10 is provided with metal backing 30,
Display screen body 10 is general rectangular；The shape of metal backing 30 can be consistent with display screen body 10.Metal backing 30 preferably uses
Copper foil production, copper foil have good conductive property, are conducive to electrostatic and transmit on metal backing 30.
Metal backing 30 is electrically connected backwards to the side of display screen body 10 and the ground terminal of circuit board 60,30 court of metal backing
The side of display screen body 10 is provided with the first conductive layer 20, the first conductive layer 20 is using the conductive material system with adhesive property
Make, metal backing 30 can not only be bonded to display screen body 10, additionally it is possible to conduct the electrostatic in display screen body 10 to metal
Backboard 30.Metal backing 30 is be bonded with display screen body 10 integral in the present embodiment, can enhance the knot at the back side of display screen body 10
Structure intensity.
Multiple point discharge portions 21, and each point discharge portion 21 are provided at the circumferential edge of first conductive layer 20, and
The upper and lower two sides in point discharge portion 21 connect and electrically conduct with metal backing 30 and display screen body 10 respectively.In the present embodiment,
Point discharge portion 21 can be electrically connected towards the side of display screen body 10 with the front of display screen body 10 or the back side, due to right
When display screen body 10 carries out electro-detection, the general front using to display screen body 10 carries out power up test, therefore, display screen body
A large amount of electrostatic charge (electrostatic charge is low pressure charge) may be present in 10 front, preferably to lead the electrostatic charge in display screen body 10
Out, the preferable side by point discharge portion 21 towards display screen body 10 is electrically connected with the positive of display screen body 10.
It is understood that the first conductive layer 20 is preferably using the ESD glue system with high voltage conduction, low-voltage insulation performance
Make, metal backing 30 can be by ESD glue sticking on display screen body 10, and is electrically connected with display screen body 10.The present embodiment mentions
Metal backing 30 not only can be bonded to display screen body 10 by the first conductive layer 20 supplied, since the first conductive layer 20 has low pressure
The electrology characteristic of insulation and high voltage conduction, can reduce the release way of the electrostatic charge in display screen body 10, make display screen body 10
Electrostatic charge towards point discharge portion 21 assemble, promoted display screen body 10 Electro-static Driven Comb effect.
When carrying out upper electro-detection to display screen body 10, certain electrostatic charge, the present embodiment may be present in display screen body 10
The display panel of offer can make the static charge buildup in display screen body 10 in point discharge portion and form point discharge, and tip is put
Electric forming high voltage electricity can be transferred to metal backing 30, and the ground terminal of circuit board 60 is transferred to by metal backing 30, realize
By outside the electrostatic charge export display panel in display screen body 10, can avoid that electrostatic breakdown occurs and display panel is caused to damage
It is bad, to influence the display effect of display panel.
Fig. 3 is the structural schematic diagram of the second conductive layer provided in an embodiment of the present invention and conductive column.
As shown in figure 3, on the basis of the above embodiments, metal backing 30 is provided with the backwards to the side of display screen body 10
Two conductive layers 40, and the second conductive layer 40 and the first conductive layer 20 are made of identical conductive material；Second conductive layer 40 is set
It is equipped with conductive hole, conductive hole is provided with the conductive column 50 being made of anisotropy conductiving glue；One end of conductive column 50 and metal are carried on the back
Plate 30 contacts, the other end and ground connection end in contact, and conductive column 50 is electrically insulated with the second conductive layer 40.
Specifically, being provided with the second conductive layer 40 far from the side of display screen body 10 in metal backing 30, i.e., in this implementation
The two sides of metal backing 30 be respectively arranged with the first conductive layer 20 and the second conductive layer 40, and the first conductive layer 20 and second is led
Electric layer 40 is all made of the production of the ESD glue with high voltage conduction, low-voltage insulation, and extraneous static lotus can be effectively prevent from metal backing 30
Side enter display screen body 10, reduce the quantity of the electrostatic charge in display screen body 10, advantageously reduce display panel occur it is quiet
Electric breakdown phenomena.
Further, it is carried out in test process to display panel, the front to display screen body 10 may be selected in calibrating terminal
Apply charge, also may be selected to carrying out application charge at the gap between metal backing and display screen body, when to metal backing with
When carrying out application charge at the gap between display screen body, the electrostatic charge generated in test process is transferred to metal backing 30；Cause
This, it is known that the electrostatic charge on metal backing 30 includes that the electrostatic charge of metal backing 30 is transferred to from display screen body 10, further includes surveying
Try the electrostatic charge that equipment directly generates electro-detection at metal backing 30；It is led since the two sides of metal backing 30 are provided with first
Electric layer 20 and the second conductive layer 40 are unfavorable for discharging low pressure charge (electrostatic charge), and the present embodiment is in the second conductive layer 40
It is provided with the conductive hole through the second conductive layer 40, the anisotropic conductive filled with lateral isolation, longitudinal conduction in conductive hole
To form conductive column 50, i.e. conductive column 50 can be electrically insulated glue with the second conductive layer 40；One end of conductive column 50 and circuit board 60
Ground terminal be electrically connected.For example, can open a window in circuit board place corresponding with conductive column 50, in order to by conductive column
50 are electrically connected with the ground terminal of circuit board 60；The other end of conductive column 50 is abutted with metal backing 30, can carry on the back metal
Electrostatic charge (low pressure charge) on plate 30 is transferred to ground terminal and the export of circuit board 60.
On the basis of the above embodiments, insulation foamed cotton layer 70 is additionally provided between metal backing 30 and display screen body 10,
Insulation foamed cotton layer 70 is provided with multiple via holes, is filled with conduction material identical with the first conductive material in multiple via holes
Material.
Specifically, being provided with insulation foamed cotton layer 70 between metal backing 30 and display screen body 10, insulation foamed cotton layer 70 can
The impact force of outer bound pair display screen body 10 during buffering test, lowers 10 breakage rate of display screen body, promotes display screen body 10
Yields.In addition, being provided with multiple via holes on insulation foamed cotton layer 70, multiple via holes can uniformly divide on insulation foamed cotton layer 70
Filled with the ESD conducting resinl with high voltage conduction, low-voltage insulation and conducting structure 80 is formed in cloth and multiple via holes, conducting knot
Structure 80 can be diffused to the high voltage electricity generated on display screen body 10 on metal backing 30 by the ESD in via hole, be aobvious
The high voltage electricity formed on display screen body 10 provides multiple release way, therefore the electrostatic charge (low tension generated on display screen body 10
Lotus) can assemble in point discharge portion 21 and form high voltage electricity and discharge, and if in test process, display screen body is introduced directly into
High voltage electricity can also be transferred to metal backing 30 and be discharged by conducting structure.
Fig. 4 is the scheme of installation one of insulation foamed cotton layer provided in an embodiment of the present invention.
As shown in figure 4, the foamed cotton layer 70 that insulate in the present embodiment may be provided between the first conductive layer 20 and display screen body 10.
Specifically, the first conductive layer 20 is arranged between metal backing 30 and display screen body 10, insulation foamed cotton layer 70 can be bonded in display
Shield body 10 towards the side of the first conductive layer 20, and the first conductive layer 20 covers insulation foamed cotton layer 70, display screen body 10 and metal
Backboard 30 can be realized by the conducting structure being arranged in insulation foamed cotton layer 70 and be electrically conducted.It is understood that conducting knot
It is solidified in a via hole that structure 80 can be flowed on insulation foamed cotton layer 70 by being used to form the conducting resinl of the first conductive layer 20.
Fig. 5 is insulation foamed cotton layer scheme of installation two provided in an embodiment of the present invention.
As shown in figure 5, insulation foamed cotton layer 70 may be provided between the first conductive layer 20 and metal backing 30, insulate foamed cotton layer
70 can be bonded in metal backing 30 towards the side of display screen body 10, and the first conductive layer 20 is formed in display screen body 10 towards metal
The side of backboard 30 may be provided with multiple via holes on insulation foamed cotton layer 70, and filled with formation first in via hole
The conducting resinl of conductive layer and form conducting structure 80, one end of conducting structure 80 and the first conductive layer 20 are electrically connected, the other end
It is electrically connected with metal backing 30.
Fig. 6 is insulation foamed cotton layer scheme of installation three provided in an embodiment of the present invention.
As shown in fig. 6, insulation foamed cotton layer 70 can be arranged with 20 same layer of the first conductive layer to lower the thickness of display panel,
It can be bonded with insulation foamed cotton layer 70 in the side of metal backing 30 towards display screen body 10, and the bubble surface layer that insulate is provided with conducting
Hole, and fill the first conducting resinl in via hole and form conducting structure 80, one end of conducting structure 80 and display screen body 10 are electrically
Connection, the other end and metal backing 30 are electrically connected.Further, insulation 70 side of foamed cotton layer and metal backing 30 are viscous
It connecing, the other side is bonded on display screen body 10, and the circumferential edge positioned at insulation foamed cotton layer 70 is provided with multiple point discharge portions 21,
Point discharge portion 21 is laid by the conducting resinl for forming the first conductive layer, and 10 electricity of 21 side of point discharge portion and display screen body
Property connection, the other side and metal backing 30 are electrically connected.
The present embodiment preferred embodiment is: insulation foamed cotton layer 70 is arranged between metal backing 30 and display screen body 10, and
And insulation foamed cotton layer 70 is provided with multiple via holes, filled with ESD conducting resinl to form conducting structure 80 in multiple via holes,
And the circumferential direction for being located at insulation foamed cotton layer 70 is provided with multiple point discharge portions 21；When there are high voltage electricities on display screen body 10
When, multiple release way can be provided for high voltage electricity, high voltage electricity can be discharged high voltage electricity to metal by conducting structure 80
Backboard 30 can quickly export the high voltage electricity on display screen body 10；Meanwhile when there are electrostatic charge (low tensions on display screen body
Lotus) when, it can assemble and be formed point discharge in point discharge portion, the high voltage electricity that point discharge is formed passes through the anti-electric portion 21 in tip
Release can quickly export the electrostatic charge on display screen body 10 to metal backing 30.
On the basis of the above embodiments, multiple point discharge portions 21 are uniformly distributed along the circumferential direction of insulation foamed cotton layer 70.Tool
Body, the circumferential direction of insulation foamed cotton layer 70 is provided with multiple point discharge portions 21, so that the electrostatic charge of display screen body 10 can assemble
In tip portion and point discharge is formed, the electrostatic charge in display screen body 10 is exported.To avoid electrostatic charge from excessively concentrating to aobvious
Display screen body 10 causes to damage, and multiple point discharge portions 21 can be uniformly arranged around display screen body 10.It is understood that
Multiple point discharge portions 21 can be arranged in the corner of insulation foamed cotton layer 70.
For example, the foamed cotton layer that insulate in the present embodiment is rectangular, can be set respectively in four corners of insulation foamed cotton layer 70
It is equipped with a point discharge portion 21, and point discharge portion 21 can be triangular in shape, point discharge portion 21 includes tip portion, and tip
Part side and metal backing 30 are electrically connected, and the other side and display screen body 10 are electrically connected, can be by the electrostatic of display screen body 10
Lotus is transferred to conductive column 50 by metal backing 30, connect via conductive column 50 with the ground terminal of circuit board 60, and export display
Shield outside body 10.It is understood that the present embodiment is not limited only to triangle to the shape in point discharge portion 21, it can also be other tools
Cuspidated regular shape or irregular shape.
Fig. 7 is the structural schematic diagram of display device provided in an embodiment of the present invention.
As shown in fig. 7, display device provided in this embodiment, including cover board 90 and above-mentioned display panel, wherein display surface
Plate includes display screen body 10 and the electrostatic protection structure that 10 back side of display screen body is arranged in；Cover board 90 provides anti-for display screen body 10
Shield, the front of display screen body is arranged in cover board 90, prevents display screen body 10 in use or in test process by outer
The impact of power and it is damaged.
Electrostatic protection structure is used to export the electrostatic charge in display screen body 10, prevent display screen body 10 add up electrostatic charge and
There is electrostatic breakdown phenomenon.Electrostatic protection structure include metal backing 30 and setting in metal backing 30 towards display screen body 10
First conductive layer 20 of side；The circumferential edge of first conductive layer 20 is provided with multiple point discharge portions 21, and each tip
Discharge part 21 has a tip portion, and the side of tip portion and metal backing 30 are electrically connected, the other side of tip portion
It is electrically connected with the other side of display screen body 10.
When display screen body 10 is there are when electrostatic, electrostatic can be assembled in point discharge portion and form point discharge, point discharge
The high voltage electricity of formation can be transferred to metal backing 30 by tip portion, and through metal backing 30 by the high-voltage electricity of tip release
Lotus is transferred to ground terminal, to prevent electrostatic in 10 cohesion of display screen body the Electro-static Driven Comb on display screen body 10 to ground terminal
The phenomenon that collecting and puncturing display screen body 10 generation.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of display panel, which is characterized in that including display screen body and the electrostatic protection for being set to the display screen body back side
Structure；
The electrostatic protection structure includes metal backing and the first conductive layer being arranged on the metal backing, and described first
Conductive layer is located at the metal backing towards the side of the display screen body, the metal backing backwards to the display screen body one
The ground terminal of the circuit board of side and the display screen body is electrically connected；
The circumferential edge of first conductive layer is provided with multiple point discharge portions, the point discharge portion respectively with the display
Shield body and the metal backing is electrically connected.
2. display panel according to claim 1, which is characterized in that first conductive layer use with high voltage conduction,
The conductive material of low-voltage insulation makes.
3. display panel according to claim 2, which is characterized in that the metal backing backwards to the display screen body one
Side is provided with the second conductive layer, second conductive layer and first conductive layer and is made of identical conductive material；
It is provided with conductive hole in second conductive layer, the conduction being made of anisotropy conductiving glue is provided in the conductive hole
Column, one end of the conductive column and the metal backing are electrically connected, and the other end and the ground terminal are electrically connected, and described are led
Electric column is electrically insulated with second conductive layer.
4. display panel according to claim 1-3, which is characterized in that the metal backing and the display screen
Insulation foamed cotton layer is provided between body；
The insulation foamed cotton layer is provided with multiple via holes, is filled in the via hole identical as first conductive
Conductive material.
5. display panel according to claim 4, which is characterized in that the insulation foamed cotton layer is located at first conductive layer
Between the display screen body.
6. display panel according to claim 4, which is characterized in that the insulation foamed cotton layer is located at first conductive layer
Between the metal backing.
7. display panel according to claim 4, which is characterized in that the insulation bubble surface layer and first conductive layer are same
Layer setting.
8. display panel according to claim 4, which is characterized in that multiple point discharge portions are along the insulation foam
The circumferential direction of layer is uniformly distributed.
9. display panel according to claim 8, which is characterized in that the insulation foamed cotton layer is rectangular, the insulation
The corner location of foamed cotton layer is each provided with the point discharge portion.
10. a kind of display device, which is characterized in that including cover board and the described in any item display panels of claim 1 to 9；
The display panel includes display screen body and the electrostatic protection structure that the display screen body back side is arranged in；
The front of the display screen body is arranged in the cover board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910748372.5A CN110426880B (en) | 2019-08-14 | 2019-08-14 | Display panel and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910748372.5A CN110426880B (en) | 2019-08-14 | 2019-08-14 | Display panel and device |
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| Publication Number | Publication Date |
|---|---|
| CN110426880A true CN110426880A (en) | 2019-11-08 |
| CN110426880B CN110426880B (en) | 2022-02-11 |
Family
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|---|---|---|---|
| CN201910748372.5A Active CN110426880B (en) | 2019-08-14 | 2019-08-14 | Display panel and device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110867138A (en) * | 2019-11-28 | 2020-03-06 | 武汉天马微电子有限公司 | Display panel, manufacturing method and display device |
| CN111782078A (en) * | 2020-06-19 | 2020-10-16 | 维沃移动通信有限公司 | Conductive foam and electronic equipment |
| CN113284419A (en) * | 2021-05-24 | 2021-08-20 | 合肥鑫晟光电科技有限公司 | Display panel, display device and vehicle-mounted display device |
| WO2021208590A1 (en) * | 2020-04-16 | 2021-10-21 | 京东方科技集团股份有限公司 | Display device |
| CN113629040A (en) * | 2021-07-23 | 2021-11-09 | 武汉华星光电半导体显示技术有限公司 | Display device |
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