CN220053137U - Back coating film for backlight module - Google Patents
Back coating film for backlight module Download PDFInfo
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- CN220053137U CN220053137U CN202320822596.8U CN202320822596U CN220053137U CN 220053137 U CN220053137 U CN 220053137U CN 202320822596 U CN202320822596 U CN 202320822596U CN 220053137 U CN220053137 U CN 220053137U
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- Prior art keywords
- layer
- coating film
- back coating
- backlight module
- basic unit
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- 239000011248 coating agent Substances 0.000 title claims abstract description 38
- 238000000576 coating method Methods 0.000 title claims abstract description 38
- 239000010410 layer Substances 0.000 claims abstract description 52
- 239000011241 protective layer Substances 0.000 claims abstract description 17
- 239000004743 Polypropylene Substances 0.000 claims abstract description 6
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims abstract description 6
- 239000004417 polycarbonate Substances 0.000 claims abstract description 6
- 229920000515 polycarbonate Polymers 0.000 claims abstract description 6
- 239000004926 polymethyl methacrylate Substances 0.000 claims abstract description 6
- -1 polypropylene Polymers 0.000 claims abstract description 6
- 229920001155 polypropylene Polymers 0.000 claims abstract description 6
- 230000000694 effects Effects 0.000 abstract description 18
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 238000009413 insulation Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 238000002834 transmittance Methods 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 2
- 238000003848 UV Light-Curing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Planar Illumination Modules (AREA)
Abstract
The utility model relates to the technical field of back coating films and discloses a back coating film for a backlight module. Including inoxidizing coating, basic unit and wearing layer, basic unit fixed connection is at the upper surface of inoxidizing coating, wearing layer fixed connection is at the upper surface of basic unit, the edge of inoxidizing coating, basic unit and wearing layer overlaps simultaneously and is equipped with the connection frame, the inside fixedly connected with buffer frame of connection frame, the inside of buffer frame is encircleed and is pasted and be provided with the insulating strip. The protective layer provided by the utility model is prepared from polypropylene, has a light transmission effect, has high strength and good insulation effect, is prepared from polycarbonate, ensures the light transmission effect, has high temperature resistance, corrosion resistance and impact resistance, and the wear-resistant layer is prepared from polymethyl methacrylate, ensures the light transmission effect, has good wear-resistant effect, and is convenient for the whole back coating film to be installed by the connecting frame.
Description
Technical Field
The utility model relates to the technical field of back coating films, in particular to a back coating film for a backlight module.
Background
The LED display is a mainstream electronic display at present, has the advantages of bright color, high definition, low working voltage, low power consumption, long service life, stable and reliable working and the like, and is widely applied to various products such as mobile phones, computers, display screens and the like, wherein a backlight module is an important component of the LED display, a light source is provided in the backlight module, and the UV curing back coating film has the characteristics of high surface hardness, long service life, stable product performance and the like.
At present, the haze of a back coating film of a main stream is more than 3%, the light transmittance is 88%, the high haze and the low light transmittance can cause serious loss of light rays when the light rays pass through the back coating film, and the film body is inconvenient to stably install in a display, and lacks protection in the display, so that the service life and the service quality are influenced. Therefore, the utility model designs a back coating film for a backlight module.
Disclosure of Invention
The utility model aims to solve the problems that the haze of a back coating film of a main flow in the prior art is above 3%, the light transmittance is 88%, the light loss is serious when light passes through due to high haze and low light transmittance, a film body is inconvenient to stably install in a display, and the inside of the display is lack of protection, so that the service life and the use quality are influenced.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a back of body is scribbled film for backlight unit, includes inoxidizing coating, basic unit and wearing layer, basic unit fixed connection is at the upper surface of inoxidizing coating, wearing layer fixed connection is at the upper surface of basic unit, the edge of inoxidizing coating, basic unit and wearing layer overlaps simultaneously and is equipped with the linking frame, the inside fixedly connected with buffer frame of linking frame, the inside of buffer frame is encircleed and is pasted and be provided with the insulating strip, the insulating strip compresses tightly the edge that sets up at inoxidizing coating and wearing layer respectively.
Preferably, the protective layer is made of polypropylene, the base layer is made of polycarbonate, and the wear-resistant layer is made of polymethyl methacrylate.
Preferably, the buffer frame is made of sponge, and the insulating strip is made of rubber.
Preferably, a strip-shaped groove is formed in the side wall of the connecting frame, two sliding blocks are slidably arranged on the inner wall of the strip-shaped groove, connecting strips are fixedly connected to the side walls of the two sliding blocks respectively, and threaded holes are formed in the connecting strips respectively.
Preferably, the sliding block is a trapezoid block, the inner wall of the bar-shaped groove is matched with the sliding block, and the elastic plates are fixedly connected to the corresponding sides of the two connecting bars at the same time.
Preferably, the draw-in groove has been set up respectively to the edge of inoxidizing coating, basic unit and wearing layer, inoxidizing coating, basic unit and wearing layer are located the inside of draw-in groove and peg graft respectively and are provided with stable inserted sheet, one side that stable inserted sheet deviates from inoxidizing coating, basic unit and wearing layer fixedly connected with fixed plate simultaneously, the fixed plate compresses tightly the setting on the lateral wall of insulating strip.
Compared with the prior art, the utility model provides a back coating film for a backlight module, which has the following beneficial effects:
1. this back of body is coated film for backlight unit adopts polypropylene preparation through the inoxidizing coating, has high strength and good insulating effect when having the printing opacity effect, and the basic unit adopts the polycarbonate preparation, not only guarantees printing opacity effect and has high temperature resistant, anticorrosion and shock-resistant effect, and the wearing layer adopts polymethyl methacrylate preparation, has good wear-resisting effect when guaranteeing the printing opacity effect, and the connection frame is convenient for wholly install back of body coated film.
2. This back of body is scribbled membrane for backlight unit can promote two connecting strips through the elastic plate and slide along the inner wall in bar groove to can make two connecting strips be on the back of body one side that leaves respectively with the upper and lower both sides alignment setting of connection frame, be convenient for follow-up with back of body scribble membrane through bolted connection in the inside of display.
Drawings
Fig. 1 is a schematic structural diagram of a back coating film for a backlight module according to the present utility model;
FIG. 2 is an enlarged schematic view of the portion A of FIG. 1;
fig. 3 is a structural perspective view of the top plate of fig. 2.
In the figure: 1 protective layer, 2 basic unit, 3 wearing layer, 4 connection frame, 5 buffer frame, 6 insulating strips, 7 sliders, 8 connection strips, 9 screw holes, 10 elastic plates, 11 fixed plates, 12 stable inserting sheets.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Example 1
Referring to fig. 1-2, a back coating film for a backlight module comprises a protective layer 1, a base layer 2 and a wear-resistant layer 3, wherein the base layer 2 is fixedly connected to the upper surface of the protective layer 1, the wear-resistant layer 3 is fixedly connected to the upper surface of the base layer 2, a connecting frame 4 is sleeved at the edges of the protective layer 1, the base layer 2 and the wear-resistant layer 3 at the same time, a buffer frame 5 is fixedly connected to the inside of the connecting frame 4, insulating strips 6 are adhered around the inside of the buffer frame 5, the insulating strips 6 are respectively pressed and arranged at the edges of the protective layer 1 and the wear-resistant layer 3, the protective layer 1 is made of polypropylene, the base layer 2 is made of polycarbonate, the wear-resistant layer 3 is made of polymethyl methacrylate, the buffer frame 5 is made of sponge, and the insulating strips 6 are made of rubber.
The protective layer 1 is prepared from polypropylene, has high strength and good insulation effect when having a light transmission effect, the base layer 2 is prepared from polycarbonate, not only ensures the light transmission effect, but also has high temperature resistance, corrosion resistance and impact resistance, the wear-resistant layer 3 is prepared from polymethyl methacrylate, the good wear-resistant effect is ensured when having the light transmission effect, the connecting frame 4 is convenient for integrally installing a back coating film, the buffer frame 5 is prepared from sponge, the buffer effect between the connecting frame 4 and the protective layer 1, the base layer 2 and the wear-resistant layer 3 can be improved, and the insulation effect of the edge of the protective layer 1, the base layer 2 and the wear-resistant layer 3 and the connecting frame 4 can be improved by preparing the insulating strips 6 from rubber.
Example two
In order to improve stability among the protective layer 1, the base layer 2 and the wear-resistant layer 3 and stability of connection of the connecting frame 4, referring to fig. 2-3, the side wall of the connecting frame 4 is provided with a strip-shaped groove, the inner wall of the strip-shaped groove is slidably provided with two sliding blocks 7, the side walls of the two sliding blocks 7 are respectively fixedly connected with connecting strips 8, the interiors of the two connecting strips 8 are respectively provided with threaded holes 9, the sliding blocks 7 are arranged into trapezoid blocks, the inner walls of the strip-shaped groove are matched with the sliding blocks 7, the corresponding sides of the two connecting strips 8 are simultaneously fixedly connected with an elastic plate 10, clamping grooves are respectively formed in the edges of the protective layer 1, the base layer 2 and the wear-resistant layer 3, the protective layer 1, the base layer 2 and the wear-resistant layer 3 are respectively inserted and provided with a stable inserting sheet 12 in the interiors of the clamping grooves, and one sides of the stable inserting sheet 12, which deviate from the protective layer 1, the base layer 2 and the wear-resistant layer 3, are simultaneously fixedly connected with a fixing plate 11, and the fixing plate 11 is tightly pressed on the side wall of the insulating strip 6.
Can promote two connecting strips 8 through the inner wall slip of slider 7 along the bar groove through elastic plate 10 to can make one side that two connecting strips 8 deviate from respectively with the upper and lower both sides alignment setting of connecting frame 4, be convenient for follow-up with back coating film pass through bolted connection in the inside of display, peg graft the inside that sets up at the draw-in groove through stable inserted sheet 12, fixed plate 11 can make stable inserted sheet 12 stable setting, guarantees the stability that inoxidizing coating 1, basic unit 2 and wearing layer 3 are connected.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The back coating film for the backlight module comprises a protective layer (1), a base layer (2) and a wear-resistant layer (3), and is characterized in that: the utility model discloses a wear-resisting layer, including base course (2), wearing layer (3), protection layer (1), base course (2) and wearing layer (3)'s edge cover are equipped with connecting frame (4) simultaneously, the inside fixedly connected with buffer frame (5) of connecting frame (4), the inside of buffer frame (5) is encircleed and is pasted and be provided with insulating strip (6), insulating strip (6) compress tightly the edge that sets up at protection course (1) and wearing layer (3) respectively.
2. The back coating film for a backlight module according to claim 1, wherein: the protective layer (1) is prepared from polypropylene, the base layer (2) is prepared from polycarbonate, and the wear-resistant layer (3) is prepared from polymethyl methacrylate.
3. The back coating film for a backlight module according to claim 1, wherein: the buffer frame (5) is made of sponge, and the insulating strip (6) is made of rubber.
4. The back coating film for a backlight module according to claim 1, wherein: the connecting frame is characterized in that a strip-shaped groove is formed in the side wall of the connecting frame (4), two sliding blocks (7) are slidably arranged on the inner wall of the strip-shaped groove, connecting strips (8) are fixedly connected to the side walls of the sliding blocks (7) respectively, and threaded holes (9) are formed in the connecting strips (8) respectively.
5. The back coating film for a backlight module according to claim 4, wherein: the sliding blocks (7) are arranged to be trapezoid blocks, the inner walls of the strip-shaped grooves are matched with the sliding blocks (7), and elastic plates (10) are fixedly connected to one sides of the two connecting strips (8) respectively.
6. The back coating film for a backlight module according to claim 1, wherein: the edge of inoxidizing coating (1), basic unit (2) and wearing layer (3) do not are equipped with the draw-in groove, the inside that inoxidizing coating (1), basic unit (2) and wearing layer (3) are located the draw-in groove is pegged graft respectively and is provided with stable inserted sheet (12), one side that stable inserted sheet (12) deviate from inoxidizing coating (1), basic unit (2) and wearing layer (3) is fixedly connected with fixed plate (11) simultaneously, fixed plate (11) compress tightly the setting on the lateral wall of insulating strip (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320822596.8U CN220053137U (en) | 2023-04-14 | 2023-04-14 | Back coating film for backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320822596.8U CN220053137U (en) | 2023-04-14 | 2023-04-14 | Back coating film for backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220053137U true CN220053137U (en) | 2023-11-21 |
Family
ID=88752645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320822596.8U Active CN220053137U (en) | 2023-04-14 | 2023-04-14 | Back coating film for backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220053137U (en) |
-
2023
- 2023-04-14 CN CN202320822596.8U patent/CN220053137U/en active Active
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