CN207337005U - A kind of liquid crystal display device - Google Patents
A kind of liquid crystal display device Download PDFInfo
- Publication number
- CN207337005U CN207337005U CN201720818665.2U CN201720818665U CN207337005U CN 207337005 U CN207337005 U CN 207337005U CN 201720818665 U CN201720818665 U CN 201720818665U CN 207337005 U CN207337005 U CN 207337005U
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- liquid crystal
- crystal display
- display device
- metal frame
- plate
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Abstract
The utility model discloses a kind of liquid crystal display device, including backlight module, backlight glue frame in backlight module, liquid crystal display panel on backlight glue frame and the upper metal frame on liquid crystal display panel, the backlight module includes lower metallic plate, the upper metal frame contradicts snapping with the lower metallic plate makes the lower metallic plate of upper metal frame cladding, the liquid crystal display panel includes upper sheet glass and the upper polaroid being located on sheet glass, side of the upper polaroid away from the upper sheet glass is equipped with ITO coating, the ITO coating is bonded fixation by conductive double-sided adhesive with the upper metal frame, electromagnetic radiation can effectively be solved and produce interference problem.
Description
Technical field
Technical field of liquid crystal display is the utility model is related to, relates more specifically to a kind of liquid crystal display device.
Background technology
LCD technology is applied increasingly extensive in man-machine interface, these equipment include the outdoor hand of high RST quality requirement
Mobile terminal class product, outdoor industry control, command system display terminal etc. are held, it is quite extensive to be related to face.LCD technology at present
By development for many years, technology is constantly progressive, and the key index such as the resolution ratio of liquid crystal display, brightness, visual angle all obtains greatly
Lifting.Although these indexs are extremely important to liquid crystal display, there are anti-electromagnetic interference capability difference for LCD technology
Problem.Harm caused by electromagnetic interference in order to prevent, electronic product increasingly payes attention to electromagnetic interference with influencing, for electronics
Can the requirement of product anti-electromagnetic-radiation be higher and higher, and effectively prevent electromagnetic interference from determining that can the electronic product be applied
High military or civil field is being required EMI.
Utility model content
In order to solve the deficiencies in the prior art, the utility model provides a kind of liquid that can effectively shield electromagnetic interference
Crystal device.
The utility model technique effect to be reached is realized by following scheme：A kind of liquid crystal display device, including the back of the body
Optical mode group, the backlight glue frame in backlight module, the liquid crystal display panel on backlight glue frame and arranged on LCD display
Upper metal frame on plate, the upper metal frame include hollow surface frame and the side frame being bent to form along surface frame outer, the back of the body
Optical mode group includes lower metallic plate, and the lower metallic plate includes plate face and the side plate along plate face bending extension, the upper metal frame
The side plate outer wall of side frame inner wall and the lower metallic plate contradict snapping and make the upper lower metallic plate of metal frame cladding, the liquid crystal
Display panel includes upper sheet glass and the upper polaroid being located on sheet glass, and the upper polaroid is away from the upper sheet glass
Side is equipped with ITO coating, and the ITO coating is bonded fixation by conductive double-sided adhesive with the upper metal frame.
Preferably, the upper metal frame and the material of lower metallic plate be stainless steel, aluminium plating zinc plate, galvanized sheet, iron, aluminium or
Aluminium alloy.
Preferably, the material of the conductive double-sided adhesive is based on conductive acrylate pressure sensitive adhesive.
Preferably, the liquid crystal display panel, which further includes, is located at the liquid crystal layer stacked gradually under the upper sheet glass, bottom sheet
Glass and down polaroid.
Preferably, the backlight module further includes reflector plate, light guide plate and the optics stacked gradually on lower metallic plate
Diaphragm group.
Preferably, the optical diaphragm group includes light-diffusing film, lower bright enhancement film and upper bright enhancement film from the bottom up.
Preferably, the backlight module further includes the light source arranged on side plate inner wall, and the light source includes LED light and FPC, institute
State the incidence surface that LED light corresponds to light guide plate.
Preferably, spray black electromagnetic shielding film on the FPC, on the conductor and FPC of electromagnetic wave shielding film inner layer
Ground wire connection conducting.
Preferably, the ITO is a kind of mixture of indium oxide and tin-oxide.
Preferably, the mass ratio of the indium oxide and tin-oxide is 9：1.
The utility model has the following advantages：
By ITO coating is set in upper polaroid and ITO coating with it is described on metal frame be bonded by conductive double-sided adhesive it is solid
It is fixed, the upper polaroid is formed shielding entirety with upper metal frame, since upper metal frame and lower metal frame contradict conducting, on
Metal frame and lower metal frame formed one effectively, closing intactly shielded layer, can effectively solve electromagnetic radiation and produce interference to ask
Topic.
Brief description of the drawings
Fig. 1 is the schematic diagram 1 of liquid crystal display device in the utility model；
Fig. 2 is the schematic diagram 2 of liquid crystal display device in the utility model.
Embodiment
The utility model is described in detail with reference to the accompanying drawings and examples.
As shown in Figure 1, a kind of liquid crystal display device, including：Backlight module 1, the backlight glue frame 2 in backlight module 1,
Liquid crystal display panel 3 on backlight glue frame 2 and the upper metal frame 4 on liquid crystal display panel 3, the upper metal frame 4
Including hollow surface frame and the side frame being bent to form along surface frame outer.The backlight module 1 includes lower metallic plate 5, under described
Metallic plate 5 includes plate face and the side plate along plate face bending extension.The side frame inner wall of the upper metal frame 4 and the lower metallic plate
5 side plate outer wall, which contradicts snapping, makes the lower metallic plate 5 of the cladding of upper metal frame 4.The liquid crystal display panel 3 includes upper sheet glass
6 and the upper polaroid 7 that is located on sheet glass 6, side of the upper polaroid 7 away from the upper sheet glass 6 is equipped with ITO coating
8, the ITO coating 8 is bonded fixation by conductive double-sided adhesive 9 with the upper metal frame 4.By in upper polaroid in the present embodiment
ITO coating 8 is set on 7 and ITO coating 8 is bonded fixation with the upper metal frame 1 by conductive double-sided adhesive 9, makes the upper polaroid 7
Shielding entirety is formed with upper metal frame 4, since upper metal frame 4 and lower metallic plate 5 contradict conducting, upper metal frame 4 and lower gold
Category frame plate 5 formation one is effectively, intactly shielded layer, the ITO coating 8 can be connected conducting with the GND of product, make electricity for closing
Magnetic radiation is not up to touch control layer, makes touch-control effect more stable sensitive, can effectively solve electromagnetic radiation and produce interference problem.
Liquid crystal display panel 3 described in the present embodiment further includes the bottom sheet glass for being located at and being stacked gradually under the upper sheet glass 6
Liquid crystal layer is equipped among glass 10 and down polaroid 11, upper sheet glass 6 and lower sheet glass 10（Do not shown in figure）.The upper polaroid
7 are symmetrical arranged with down polaroid 11 on liquid crystal layer central axes, and the thickness of upper polaroid 7 is more than the thickness of down polaroid 11.
Backlight module described in the present embodiment further includes reflector plate 13, the light guide plate stacked gradually on lower metallic plate 5
14 and optical diaphragm group 15, the backlight module further include the light source 16 arranged on lower 5 side plate inner wall of metallic plate, the light source 16 wraps
LED light and FPC are included, the light guide plate 14 includes incidence surface and light-emitting surface, and the LED light corresponds to incidence surface.Although not identifying, institute
State optical diaphragm group and further include the light-diffusing film being cascadingly set on light-emitting surface, lower bright enhancement film and upper bright enhancement film.
The ITO coating 8 is combined with upper polaroid 7 in the present embodiment, 7 supplied materials of upper polaroid can be made just to carry
Shielded layer, feeds the upper polaroid 7 with ITO coating 8 as standard material, may be used on above any glass, thus
Each module manufacturers can apply the technology, cause only glass producer ability compared to ITO shield layer is plated on upper sheet glass
The application done is wider.
The upper metal frame 4 and lower metallic plate 5 can be stainless steel, aluminium plating zinc plate, galvanized sheet, iron, aluminium or aluminium alloy,
Preferably iron, cost can be reduced while electric conductivity is ensured.
The material of the conduction double-sided adhesive 9 is to have adhesive strength based on conductive acrylate pressure sensitive adhesive, acrylate pressure sensitive adhesive
High, the features such as high and low temperature resistance is strong.
As a further improvement, spray black electromagnetic shielding film on the FPC, the conductor of electromagnetic wave shielding film inner layer with
Ground wire connection conducting on FPC, since electromagnetic shielding film is thermohardening type, by the way that electroconductive stuffing is dispersed in heat resistance
In urethane resin adhesives, high effectiveness is realized.Further, can also be by the signal lead on the FPC
Interference is also shielded.
ITO (tin indium oxide, or tin-doped indium oxide) is a kind of indium (III group) oxide (In2O3) and tin (IV races) oxygen
The mixture of compound (SnO2), usual mass ratio are 90%In2O3,10%SnO2.It is clear, colorless in film-form；
During bulk state, in yellow inclined grey.The main characteristic of tin indium oxide is the conduction of its electricity and optically transparent combination.However, film
Need to make compromise in deposition, because high concentration electric charge carrier will increase the electrical conductivity of material, but the transparent of it can be reduced
Degree.The method that indium tin oxide films are most often deposited by electron beam evaporation, physical vapour deposition (PVD) or some sputter-deposition technologies is sunk
Product arrives surface.ITO is mainly used for making liquid crystal display, flat-panel monitor, plasma display, touch-screen, Electronic Paper etc. should
There is the transparent conductive plated film that EMI shields with, Organic Light Emitting Diode and solar cell and antistatic plated film.
The liquid crystal display device can be applied on the electronic products such as mobile phone, tablet computer, since the liquid crystal display fills
Put to form closing intactly shielded layer, be also applicable in and require EMI high military or civil field.
It is last it should be noted that above example only to illustrate the technical solution of the embodiment of the present invention rather than to its into
Row limitation, although the embodiment of the present invention is described in detail with reference to preferred embodiment, those of ordinary skill in the art
It should be understood that still can be to the technical solution technical scheme is modified or replaced equivalently of the embodiment of the present invention, and these are changed or wait
The scope of amended technical solution disengaging technical solution of the embodiment of the present invention cannot also be made with replacement.
Claims (10)
1. a kind of liquid crystal display device, including backlight module, the backlight glue frame in backlight module, on backlight glue frame
Liquid crystal display panel and the upper metal frame on liquid crystal display panel, the upper metal frame include hollow surface frame and along faces
For outer frame along the side frame that is bent to form, the backlight module includes lower metallic plate, and the lower metallic plate is including plate face and along plate face
The side plate of extension is bent, the side frame inner wall of the upper metal frame and the side plate outer wall conflict snapping of the lower metallic plate make on described
The lower metallic plate of metal frame cladding, the liquid crystal display panel include upper sheet glass and the upper polaroid being located on sheet glass, its
It is characterized in that, side of the upper polaroid away from the upper sheet glass is equipped with ITO coating, and the ITO coating passes through conductive double
Face is glued is bonded fixation with the upper metal frame.
A kind of 2. liquid crystal display device as claimed in claim 1, it is characterised in that the material of the upper metal frame and lower metallic plate
Matter is stainless steel, aluminium plating zinc plate, galvanized sheet, iron, aluminium or aluminium alloy.
A kind of 3. liquid crystal display device as claimed in claim 1, it is characterised in that the material of the conduction double-sided adhesive be based on
Conductive acrylate pressure sensitive adhesive.
4. a kind of liquid crystal display device as claimed in claim 1, it is characterised in that the liquid crystal display panel, which further includes, to be located at
Liquid crystal layer, lower sheet glass and the down polaroid stacked gradually under the upper sheet glass.
5. a kind of liquid crystal display device as claimed in claim 1, it is characterised in that the backlight module, which further includes, to be stacked gradually
Reflector plate, light guide plate and optical diaphragm group on lower metallic plate.
6. a kind of liquid crystal display device as claimed in claim 5, it is characterised in that the optical diaphragm group includes stacking gradually
Light-diffusing film, lower bright enhancement film and the upper bright enhancement film being arranged on light guide plate light-emitting surface.
7. a kind of liquid crystal display device as claimed in claim 5, it is characterised in that the backlight module is further included arranged on side plate
The light source of inner wall, the light source include LED light and FPC, and the LED light corresponds to the incidence surface of light guide plate.
A kind of 8. liquid crystal display device as claimed in claim 7, it is characterised in that spray black electromagnetism wave screen on the FPC
Cover film, the ground wire connection conducting on the conductor and FPC of electromagnetic wave shielding film inner layer.
9. a kind of liquid crystal display device as claimed in claim 1, it is characterised in that the ITO is a kind of indium oxide and tin
Hopcalite.
10. a kind of liquid crystal display device as claimed in claim 9, it is characterised in that the indium oxide and tin-oxide
Mass ratio is 9：1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720818665.2U CN207337005U (en) | 2017-07-07 | 2017-07-07 | A kind of liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720818665.2U CN207337005U (en) | 2017-07-07 | 2017-07-07 | A kind of liquid crystal display device |
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| Publication Number | Publication Date |
|---|---|
| CN207337005U true CN207337005U (en) | 2018-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720818665.2U Active CN207337005U (en) | 2017-07-07 | 2017-07-07 | A kind of liquid crystal display device |
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| CN (1) | CN207337005U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108776407A (en) * | 2018-05-31 | 2018-11-09 | 信利光电股份有限公司 | A kind of display module and terminal |
-
2017
- 2017-07-07 CN CN201720818665.2U patent/CN207337005U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108776407A (en) * | 2018-05-31 | 2018-11-09 | 信利光电股份有限公司 | A kind of display module and terminal |
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