CN105096764B - A kind of LCDs electrostatic protection apparatus and preparation method thereof - Google Patents
A kind of LCDs electrostatic protection apparatus and preparation method thereof Download PDFInfo
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- CN105096764B CN105096764B CN201510452906.1A CN201510452906A CN105096764B CN 105096764 B CN105096764 B CN 105096764B CN 201510452906 A CN201510452906 A CN 201510452906A CN 105096764 B CN105096764 B CN 105096764B
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Abstract
The invention discloses a kind of LCDs electrostatic protection apparatus and preparation method thereof; wherein; described device is disposed with display screen and display screen surface shell from inside to outside; a protection eyeglass for being used to protect display screen is provided with the outer surface of the display screen surface shell, closed air cavity is formed between the protection eyeglass and display screen；A conductive material layer is provided with the marginal surface of the display screen and on the inner surface of display screen surface shell, the conductive material layer is connected by earth-return circuit with the fuselage metal shell.By the present invention electrostatic capacity of the LCDs electrostatic protection apparatus can be made to be significantly improved, esd immunity enhancing, there is high practicality and good market application foreground.
Description
Technical field
The present invention relates to LCDs field, more particularly to a kind of LCDs electrostatic protection apparatus and its making side
Method.
Background technology
In the prior art, LCD liquid crystal display screen is easily influenceed by peripheral electrostatic field in use, causes liquid crystal
Driving electric field changes, and produces uncontrolled display content, destroys device interior circuit, semi-conducting material.It is in view of the above-mentioned problems, logical
Solved frequently with following method：
1）Increase a metallic conduction shell in display screen surface, guiding release is carried out to electrostatic.Its shortcoming is current chi
Very little larger display screen, when discharge path is longer, can not quick release, and increase shell area coverage, viewing area can be reduced
Area, so as to reduce the utilization rate of LCDs.
2）Increase conductive particle in liquid crystal inside display screen, surface electrostatic is discharged into internal liquid crystal, and by aobvious
Display screen pin is exported on periphery circuit.After its shortcoming is releasing effect unobvious, and granule content improves, it can influence to show
Effect.
3）The methods of other increase earth leads, electrostatic protection pipe, ground wire isolation.Its shortcoming is the glass table to insulation
Face release electrostatic effect is poor, and cost is high.
Therefore, prior art has yet to be improved and developed.
The content of the invention
In view of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of LCDs electrostatic protection apparatus
And preparation method thereof, it is intended to LCDs electrostatic protection effect is poor in the prior art for solution, easily causes display screen utilization rate
Decline, the problem of display effect is bad.
Technical scheme is as follows：
A kind of LCDs electrostatic protection apparatus, include the fuselage metal shell of LCD TV, wherein, described device by
Display screen and display screen surface shell are disposed with from inside to outside, and one is provided with the outer surface of the display screen surface shell
For protecting the protection eyeglass of display screen, closed air cavity is formed between the protection eyeglass and display screen；
A conduction material is provided with the marginal surface of the display screen and on the inner surface of display screen surface shell
The bed of material, the conductive material layer are connected by earth-return circuit with the fuselage metal shell.
The LCDs electrostatic protection apparatus, wherein, the conductive material in the conductive material layer includes conducting resinl
One or more in cloth, copper foil, aluminium foil, conductive double sided adhesive tape, EVA, rubber, paint and sponge.
The LCDs electrostatic protection apparatus, wherein, the Ω of Rs ＜ 3 of the conductive material.
The LCDs electrostatic protection apparatus, wherein, the thickness of the conductive material layer is less than 2mm.
The LCDs electrostatic protection apparatus, wherein, the distance between the display screen and protection eyeglass 1-5mm.
The LCDs electrostatic protection apparatus, wherein, the distance between the display screen and protection eyeglass 3mm.
A kind of preparation method of LCDs electrostatic protection apparatus as described above, wherein, comprise the following steps：
On the marginal surface of display screen and on the inner surface of display screen surface shell, made respectively of conductive material
One thickness is the conductive material layer less than 2mm, then display screen, display screen surface shell and protection eyeglass are carried out into group successively successively
Dress, and to carrying out encapsulation process between display screen and protection eyeglass, LCDs electrostatic protection apparatus is made.
The preparation method of the LCDs electrostatic protection apparatus, wherein, the conductive material includes the conduction material
Conductive material in the bed of material includes one kind in conducting adhesive cloth, copper foil, aluminium foil, conductive double sided adhesive tape, EVA, rubber, paint and sponge
Or it is a variety of, and the Ω of Rs ＜ 3 of the conductive material.
The preparation method of the LCDs electrostatic protection apparatus, wherein, between the display screen and protection eyeglass
Distance is arranged to 1-5mm.
The preparation method of the LCDs electrostatic protection apparatus, wherein, between the display screen and protection eyeglass
Distance is arranged to 3mm.
Beneficial effect：A kind of LCDs electrostatic protection apparatus of the present invention and preparation method thereof, it passes through in display screen
It is used for the conductive material layer of electrostatic discharge protective with setting one on display screen surface shell, between the protection eyeglass and display screen
Closed air cavity is formed to reduce the electromagnetic field intensity of electrostatic, and conductive material layer is passed through earth-return circuit and fuselage gold
Belong to cage connection, electrostatic quick release is gone out so that the antistatic effect of the LCDs electrostatic protection apparatus obtains
It is obviously improved, esd immunity enhancing, there is high practicality and good market application foreground.
Brief description of the drawings
Fig. 1 is the structural representation of LCDs electrostatic protection apparatus of the present invention.
Embodiment
The present invention provides a kind of LCDs electrostatic protection apparatus and preparation method thereof, to make the purpose of the present invention, skill
Art scheme and effect are clearer, clear and definite, and the present invention is described in more detail below.It should be appreciated that tool described herein
Body embodiment only to explain the present invention, is not intended to limit the present invention.
Fig. 1 is referred to, the present invention provides a kind of LCDs electrostatic protection apparatus, includes the fuselage metal of LCD TV
Shell（It is not drawn into figure）.Wherein, described device is disposed with display screen 100 and display screen surface shell 200 from inside to outside,
A protection eyeglass 300 for being used to protect display screen, the protection are provided with the outer surface of the display screen surface shell 200
Closed air cavity is formed between eyeglass 300 and display screen 100.In addition, on the marginal surface of the display screen 100 and
A conductive material layer 400 is provided with the inner surface of display screen surface shell 200, the conductive material layer 400 is by connecing
Earth-return is connected with the fuselage metal shell.
The technological improvement point of the embodiment of the present invention is：It is used for by setting one on display screen and display screen surface shell
The conductive material layer of electrostatic discharge protective, closed air cavity is formed to reduce electrostatic between the protection eyeglass and display screen
Electromagnetic field intensity, and conductive material layer is connected by earth-return circuit with fuselage metal shell, electrostatic quick release gone out
Go so that the electrostatic capacity of the LCDs electrostatic protection apparatus is significantly improved, esd immunity enhancing, tool
There are high practicality and good market application foreground.
Preferably, the coverage of the conductive material layer is the contact zone of display screen 100 and display screen surface shell 200
Domain, that is, include display platen edge, display screen surface, the support frame region of LCDs, the inner side and outer side of surface coat
（I.e. on the protection eyeglass in outside）Deng.The differences such as the position of position, area and its earth-return circuit that conductive material layer is set, meeting
Different influences is caused to the display effect of display screen, light transmittance and antistatic effect etc.（Its certain effect is to be much better than not
When adding conductive material layer.For example, certain money does not increase the display screen of conductive material layer, during atmospherical discharges 10KV, display screen occurs
Hua Ping, white screen, the probability for phenomena such as can not normally showing are larger（About 70%）, it is restored back to and normally shows that the time needs more than 30s
（Sometimes a few minutes, or device failure can not be recovered）；Experimental data shows, after increasing conductive material layer, atmospherical discharges
During 10KV, there is the probability reduction of phenomena such as display screen flower screen, white screen, can not normally show（It is reduced to 9% or so）, it is restored back to just
Often the display time needs below 30s；And after increase conductive material layer, atmospherical discharges voltage class can bring up to 15~20KV left sides
It is right.Led in addition, being better than setting on protection lens surface in antistatic effect of display screen surface shell inside edge and other effects
The effect of material layer.
Further, it is two-sided to include conducting adhesive cloth, copper foil, aluminium foil, conduction for the conductive material in the conductive material layer 400
One or more in glue, EVA, rubber, paint and sponge.Wherein, conducting adhesive cloth is with fiber cloth（Typically conventional polyester fiber
Cloth）For base material, after preposition processing;Impose plating metal coating make it have metallic character and can as conductive fibre fabric
It is divided into:Nickel plating conductive fabric, gold-plated conductive fabric, charcoal conductive fabric, aluminium foil fiber composite cloth are plated, and there is certain viscosity.Copper foil is one
Kind cloudy matter electrolysis material, one layer of thin and continuous metal foil being settled out, made by copper plus a certain proportion of other metals and
Into, copper foil typically has two kinds of 90 paper tinsels and 88 paper tinsels, and as copper content is 90% and 88%, and its general-purpose thick is 0.012-0.15mm, and
With certain viscosity.Aluminium foil is a kind of thermoprint material for directly rolling flakiness with metallic aluminium, and it has the satisfactory electrical conductivity of aluminium
Can, while there is good ductility and plasticity, and with certain viscosity.Conductive double sided adhesive tape has durability, temperature tolerance, prevented
Water-based, the characteristics of resilience is good and viscous force is strong, its easily cross cutting processing, there is good viscosity to plastic cement, rubber etc.；Adhesive strength
With adhesive with being increased by the increase of maxxaedium contact area, applying stable pressure contributes to adhesive and by maxxaedium
Contact, so as to increase adhesive strength.EVA chemicals Chinese is ethylene-vinyl acetate copolymer, and EVA has very
Good electric conductivity, can be used as conductive material, and EVA resistance to low temperature is good in addition, and its heat decomposition temperature is relatively low, about
230 DEG C or so, with the increase of molecular weight, EVA softening point rises, and processability and plastic lustrous surface decline, but intensity
Increase.Heretofore described paint refers to conductive paint, using composite particles such as cupric, silver as conductive particle, has good
A kind of paint of electric conductivity.Heretofore described sponge refers to conductive sponge, and it is foamed skill by polymer composite
Art production, there is uniform foaming aperture, soft, high resilience and not furfur, and with certain viscosity.
The dielectric for the features such as heretofore described conductive material is can meet easy conductive, yielding and thickness is small, and its
Surface resistance R s should be less than 3 Ω（The Ω of ＜ 200 typically should be adjusted to numerical monitor universal meter resistance gear, measure conductive material table
The resistance value of straight line in the region of face, cornerwise farthest point-to-point transmission, the result measured should subtract universal meter in itself and wire
Interior resistance, side are the Rs numerical value of conductive material）.Conductive material in the present invention is preferably to paint, because paint electric conductivity is good,
And it can be brushed to obtain required thickness, size, and itself and display screen and display screen surface according to being actually needed
The bond strength of shell is high, is brushed according to user's request on diverse location and difficult for drop-off, is easily controlled appearance.
The other conductive material layer is connected by earth-return circuit with the fuselage metal shell, can realize quick release electrostatic, is reduced
Infringement of the electrostatic to display screen.
In preferred embodiment, the thickness of the conductive material layer 400 is less than 2mm.Conductive material layer is blocked up, can increase knot
Structure thickness is uneven, causes the gap between display screen 100 and display screen surface shell 200 to be increased, and causes outside dust
Closed air cavity is formed between display screen 100 and protection eyeglass 300, is adsorbed in display screen 100 and protection eyeglass 300
Surface, influence the image quality of display screen 100.Surface conductance material layer is excessively thin, then easily makes its electric conductivity bad, and release is quiet
Electric effect is poor.
Preferably, the distance between the display screen 100 and protection eyeglass 300 1-5mm.Heretofore described display screen
The distance between 100 and protection eyeglass 300 3mm.Increase outermost protection eyeglass 300 on display screen surface shell 200, be
In order to prevent direct impact of the display screen by external force, and it can also play the extraneous effect with display screen of isolation.And display screen
The distance between 100 and protection eyeglass 300 need to consider Multiple factors, need to such as meet the length more than Electro-static Driven Comb arc, meet
Dimensions requirement of actual displayed screen etc..Such as when atmospherical discharges are 20KV, the distance between display screen and protection eyeglass
It should be 3mm or so（The dimensions of actual displayed screen can be met simultaneously）.
In preferred embodiment, closed air cavity is formed between protection eyeglass 300 and display screen 100 of the present invention,
It can effectively reduce the electromagnetic field intensity of electrostatic, so as to infringement of the minimizing electrostatic to display screen.Airtight cavity can also be prevented effectively
External dust enters between display screen 100 and protection eyeglass 300 and adsorbed the surface the problem of.
In addition, the present invention also provides a kind of preparation method of above-mentioned LCDs electrostatic protection apparatus, its step is specific
For：
On the marginal surface of display screen and on the inner surface of display screen surface shell, made respectively of conductive material
One thickness is the conductive material layer less than 2mm, then display screen, display screen surface shell and protection eyeglass are carried out into group successively successively
Dress, and to carrying out encapsulation process between display screen and protection eyeglass, LCDs electrostatic protection apparatus is made.
In the preparation method, its conductive material include the conductive material layer in conductive material include conducting adhesive cloth,
One or more in copper foil, aluminium foil, conductive double sided adhesive tape, EVA, rubber, paint and sponge, and the Rs ＜ 3 of the conductive material
Ω.In preferred embodiment, the distance between the display screen and protection eyeglass are arranged to 1-5mm, preferably 3mm.
In summary, a kind of LCDs electrostatic protection apparatus of the present invention and preparation method thereof, wherein, described device by
Display screen and display screen surface shell are disposed with from inside to outside, and one is provided with the outer surface of the display screen surface shell
For protecting the protection eyeglass of display screen, closed air cavity is formed between the protection eyeglass and display screen；The display
A conductive material layer, the conduction material are provided with the marginal surface of screen and on the inner surface of display screen surface shell
The bed of material is connected by earth-return circuit with the fuselage metal shell.Can fill the LCDs electrostatic protection by the present invention
The electrostatic capacity put is significantly improved, and esd immunity enhancing, there is high practicality and good market to apply
Prospect.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can
To be improved or converted according to the above description, all these modifications and variations should all belong to the guarantor of appended claims of the present invention
Protect scope.
Claims (4)
1. a kind of LCDs electrostatic protection apparatus, include the fuselage metal shell of LCD TV, it is characterised in that the dress
Put and be disposed with display screen and display screen surface shell from inside to outside, set on the outer surface of the display screen surface shell
There is a protection eyeglass for being used to protect display screen, closed air cavity is formed between the protection eyeglass and display screen；
A conductive material is provided with the marginal surface of the display screen and on the inner surface of display screen surface shell
Layer, the conductive material layer are connected by earth-return circuit with the fuselage metal shell；
Conductive material in the conductive material layer includes conducting adhesive cloth, copper foil, aluminium foil, conductive double sided adhesive tape, ethene-vinyl acetate
One or more in ester copolymer, rubber, paint and sponge；
The coverage of the conductive material layer is the contact area of display screen and display screen surface shell, i.e., including display screen side
Edge, display screen surface, the support frame region of LCDs, surface coat inner side and outer side protection eyeglass on；
The distance between the display screen and protection eyeglass 1-5mm；
The paint refers to conductive paint, using cupric, silver-colored composite particles as conductive particle；
The Ω of Rs ＜ 3 of the conductive material；
The thickness of the conductive material layer is less than 2mm.
2. LCDs electrostatic protection apparatus according to claim 1, it is characterised in that the display screen and protection eyeglass
The distance between 3mm.
3. a kind of preparation method of LCDs electrostatic protection apparatus as claimed in claim 1, it is characterised in that including following
Step：
On the marginal surface of display screen and on the inner surface of display screen surface shell, it is thick to make one with conductive material respectively
Spend for the conductive material layer less than 2mm, then successively assembled display screen, display screen surface shell and protection eyeglass successively,
And to carrying out encapsulation process between display screen and protection eyeglass, LCDs electrostatic protection apparatus is made；
It is two-sided that the conductive material that the conductive material is included in the conductive material layer includes conducting adhesive cloth, copper foil, aluminium foil, conduction
One or more in glue, ethylene-vinyl acetate copolymer, rubber, paint and sponge；
The coverage of the conductive material layer is the contact area of display screen and display screen surface shell, i.e., including display screen side
Edge, display screen surface, the support frame region of LCDs, surface coat inner side and outer side protection eyeglass on；
The distance between the display screen and protection eyeglass 1-5mm；
The paint refers to conductive paint, using cupric, silver-colored composite particles as conductive particle；
The Ω of Rs ＜ 3 of the conductive material.
4. the preparation method of LCDs electrostatic protection apparatus according to claim 3, it is characterised in that the display screen
The distance between protection eyeglass is arranged to 3mm.
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| CN201510452906.1A CN105096764B (en) | 2015-07-29 | 2015-07-29 | A kind of LCDs electrostatic protection apparatus and preparation method thereof |
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| CN201510452906.1A CN105096764B (en) | 2015-07-29 | 2015-07-29 | A kind of LCDs electrostatic protection apparatus and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3845961A4 (en) * | 2018-08-28 | 2022-05-25 | Boe Technology Group Co., Ltd. | Display panel and manufacturing method therefor, and display apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109062157B (en) * | 2018-08-09 | 2021-02-02 | 中电九天智能科技有限公司 | Intelligent control system for assembly line of unmanned television set |
| CN109285510B (en) * | 2018-09-11 | 2021-04-02 | 重庆惠科金渝光电科技有限公司 | Display, display device and grounding resistance adjusting method |
| CN110728902B (en) * | 2019-10-08 | 2022-07-05 | Oppo（重庆）智能科技有限公司 | Display screen and electronic equipment comprising same |
| CN113299714B (en) * | 2021-05-21 | 2024-02-27 | 京东方科技集团股份有限公司 | Display module, display device and manufacturing method |
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| JP4371136B2 (en) * | 2006-09-15 | 2009-11-25 | エプソンイメージングデバイス株式会社 | Display device |
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| JP3138344B2 (en) * | 1992-11-13 | 2001-02-26 | シャープ株式会社 | Liquid crystal display |
| CN1901793A (en) * | 2006-07-25 | 2007-01-24 | 北京维信诺科技有限公司 | Electromagnetic compatible protector for display device and display device |
| CN201084458Y (en) * | 2007-09-20 | 2008-07-09 | 广东美的电器股份有限公司 | Protection device of LCD screen |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP3845961A4 (en) * | 2018-08-28 | 2022-05-25 | Boe Technology Group Co., Ltd. | Display panel and manufacturing method therefor, and display apparatus |
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