CN215102972U - Backlight module's reflective membrane with heat conduction, electric conduction, shading, fire prevention function - Google Patents
Backlight module's reflective membrane with heat conduction, electric conduction, shading, fire prevention function Download PDFInfo
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- CN215102972U CN215102972U CN202120750806.8U CN202120750806U CN215102972U CN 215102972 U CN215102972 U CN 215102972U CN 202120750806 U CN202120750806 U CN 202120750806U CN 215102972 U CN215102972 U CN 215102972U
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Abstract
The utility model discloses a backlight unit's reflective membrane with heat conduction, electric conduction, shading, fire prevention function, the reflective membrane include: glue layer, first reflector layer, shading heat conduction electric conduction flame retardant coating, second reflector layer and the skin that stacks gradually. The utility model discloses a backlight unit's reflective membrane with heat conduction, electrically conductive, shading, fire prevention function distributes away the heat on the reflective membrane through shading heat conduction electricity-conducting flame retardant coating through being equipped with shading heat conduction electricity-conducting flame retardant coating between first reflector layer and second reflector layer, improves the heat dispersion of reflective membrane.
Description
Technical Field
The utility model relates to a backlight unit's reflective membrane specifically is backlight unit's reflective membrane with heat conduction, electric conduction, shading, fire prevention function.
Background
At present, notebook computers are thinner and thinner, so that heat dissipation becomes an important obstacle restricting the improvement of the performance of the notebook computers, the heat dissipation with good performance is good, the problem of heat which needs to be solved for the pen-type keyboard with backlight is more urgent, because the keyboard with the backlight function is provided with a backlight module below the backlight, a light source above the backlight module can generate heat, the heat generated by a computer host and the heat of the backlight are concentrated in a certain area, and the computer is halted and the performance of the notebook computers is reduced.
As shown in fig. 3, the backlight module on the market at present is composed of an upper light shielding film, a middle light guiding film, a lower light reflecting film and a light source FPC (with LEDs), the current backlight module is only provided for a keyboard light source, and heat at the position of the LEDs is concentrated, because the light shielding film, the light guiding film, the light reflecting film and the FPC cannot rapidly disperse and cool the heat, and the performance of the notebook computer is affected.
The utility model discloses it is not enough to solve prior art and research and propose promptly.
SUMMERY OF THE UTILITY MODEL
The backlight module comprises a backlight module, a reflecting film, a heat dissipation layer and a heat dissipation layer.
The utility model provides a technical scheme that its technical problem adopted is: backlight unit's reflective membrane with heat conduction, electrically conductive, shading, fire prevention function, the reflective membrane include: glue layer, first reflector layer, shading heat conduction electric conduction flame retardant coating, second reflector layer and the skin that stacks gradually.
According to the reflective film of the backlight module with the functions of heat conduction, electric conduction, shading and fire prevention, the shading, heat conduction and electric conduction fire prevention layer is formed by curing black shading, heat conduction and electric conduction fire prevention ink.
According to the reflective film of the backlight module with the functions of heat conduction, electric conduction, shading and fire prevention, the first reflective layer is formed by solidifying the white reflective ink which is insulated or not.
The outer layer of the reflective film of the backlight module with the functions of heat conduction, electric conduction, shading and fire prevention is formed by curing insulating or non-insulating ink.
The reflective film of the backlight module with the functions of heat conduction, electric conduction, shading and fire prevention is characterized in that the second reflective layer is a PET film or a copper foil or an aluminum foil.
According to the reflective film of the backlight module with the functions of heat conduction, electric conduction, shading and fire prevention, the second reflective layer is a PET film, and the thickness of the second reflective layer is 0.01-0.2 mm.
According to the reflective film of the backlight module with the functions of heat conduction, electric conduction, shading and fire prevention, the release paper layer is arranged on the outer side of the glue layer.
According to the reflective film of the backlight module with the functions of heat conduction, electric conduction, shading and fire prevention, the thickness of the shading, heat conduction and electric conduction fire-proof layer is 0.01-0.2 mm.
The reflective film of the backlight module with the functions of heat conduction, electric conduction, shading and fire prevention is characterized in that the thickness of the outer layer is 0.01-0.2 mm.
According to the reflective film of the backlight module with the functions of heat conduction, electric conduction, shading and fire prevention, a plurality of heat dissipation holes penetrating through the reflective film are formed in the reflective film.
The utility model has the advantages that:
1. the utility model discloses a backlight unit's reflective membrane with heat conduction, electrically conductive, shading, fire prevention function distributes away the heat on the reflective membrane through shading heat conduction electricity-conducting flame retardant coating through being equipped with shading heat conduction electricity-conducting flame retardant coating between first reflector layer and second reflector layer, improves the heat dispersion of reflective membrane.
The present invention will be further described with reference to the accompanying drawings and the detailed description.
Drawings
Fig. 1 is a schematic cross-sectional view of a reflective film according to the present invention;
fig. 2 is a front view of the reflective film of the present invention;
FIG. 3 is a schematic cross-sectional view of a backlight module;
fig. 4 is a front view of the backlight module.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 4, the reflective film of the backlight module with heat conduction, electric conduction, light shielding and fire prevention functions of the present embodiment includes: glue layer 1, first reflector layer 2, shading heat conduction electric conduction flame retardant coating 3, second reflector layer 4 and outer 5 that stack gradually. The utility model discloses a backlight unit's reflective membrane with heat conduction, electrically conductive, shading, fire prevention function distributes away the heat on the reflective membrane through shading heat conduction electricity-conducting flame retardant coating through being equipped with shading heat conduction electricity-conducting flame retardant coating between first reflector layer and second reflector layer, improves the heat dispersion of reflective membrane.
In this embodiment, the shading, heat-conducting, and electrically-conductive fireproof layer 3 is formed by curing black shading, heat-conducting, and electrically-conductive fireproof ink. The black shading heat-conducting electricity-conducting fireproof ink is prepared by stirring graphene, resin, a defoaming agent, boiled oil water and black ink which are provided by Kunshan Fulin Xinda electronics Limited company, wherein the number percentage is as follows: 65-69% of graphene, 13-17% of resin, 2-4% of defoaming agent, 4-6% of boiled oil water and 8-12% of black ink.
In this embodiment, the first reflective layer 2 is formed by curing white reflective ink, which is insulating or non-insulating, with the type HV800-W100, and the manufacturer is kunshan welfare letter electronics ltd.
The outer layer is selected according to the function required in practice, wherein the outer layer 5 is formed by curing an insulating or non-insulating ink.
In this embodiment, the reflective layer 2 is a PET film, a copper foil or an aluminum foil; preferably, the reflecting layer 2 is a PET film, and the thickness of the reflecting layer 2 is 0.01-0.2 mm.
In this embodiment, in order to facilitate folding, a release paper layer 5 is disposed on the outer side of the glue layer 1.
In this embodiment, the thickness of the light-shielding, heat-conducting, and electrically-conductive fireproof layer 3 is 0.01 to 0.2 mm.
In this embodiment, the thickness of the outer layer 5 is 0.01 to 0.2 mm.
In order to improve the heat dissipation performance, the reflective film is provided with a plurality of heat dissipation holes 7 penetrating through the reflective film.
The technical content of the present invention is further described by the embodiments only, so that the reader can understand it more easily, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation according to the present invention is protected by the present invention. The protection scope of the present invention is subject to the claims.
Claims (10)
1. Backlight unit's reflective membrane with heat conduction, electrically conductive, shading, fire prevention function, its characterized in that, reflective membrane include: glue layer (1), first reflector layer (2), shading heat conduction electric conduction flame retardant coating (3), second reflector layer (4) and skin (5) that stack gradually.
2. The reflective film of a backlight module with heat-conducting, electric-conducting, light-shielding and fireproof functions as claimed in claim 1, wherein the light-shielding, heat-conducting and electric-conducting fireproof layer (3) is formed by curing black light-shielding, heat-conducting and electric-conducting fireproof ink.
3. The reflective film of backlight module with heat-conducting, electric-conducting, light-shielding and fire-proof functions as claimed in claim 1, wherein the first reflective layer (2) is formed by curing white reflective ink which is insulating or non-insulating.
4. The reflective film of a backlight module with heat conducting, electrical conducting, light shielding and fire preventing functions as claimed in claim 1, wherein the outer layer (5) is formed by curing insulating or non-insulating ink.
5. The reflective film of the backlight module with heat conducting, electric conducting, light shielding and fire preventing functions as claimed in claim 1, wherein the second reflective layer (4) is a PET film or a copper foil or an aluminum foil.
6. The reflective film of the backlight module with heat-conducting, electric-conducting, light-shielding and fire-proof functions as claimed in claim 1, wherein the second reflective layer (4) is a PET film, and the thickness of the second reflective layer (4) is 0.01-0.2 mm.
7. The reflective film of a backlight module with heat-conducting, electric-conducting, light-shielding and fire-proof functions as claimed in any one of claims 1 to 6, wherein a release paper layer (6) is disposed on the outer side of the glue layer (1).
8. The reflective film of a backlight module with heat conducting, electricity conducting, light shielding and fire preventing functions as claimed in any one of claims 1 to 6, wherein the thickness of the light shielding, heat conducting and electricity conducting fire-proof layer (3) is 0.01-0.2 mm.
9. The reflective film of backlight module with heat conducting, electricity conducting, light shielding and fire preventing functions as claimed in any one of claims 1 to 6, wherein the thickness of the outer layer (5) is 0.01-0.2 mm.
10. The reflective film of a backlight module with heat-conducting, electrical-conducting, light-shielding and fire-proof functions as claimed in any one of claims 1 to 6, wherein the reflective film is provided with a plurality of heat dissipation holes (7) penetrating through the reflective film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120750806.8U CN215102972U (en) | 2021-04-13 | 2021-04-13 | Backlight module's reflective membrane with heat conduction, electric conduction, shading, fire prevention function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120750806.8U CN215102972U (en) | 2021-04-13 | 2021-04-13 | Backlight module's reflective membrane with heat conduction, electric conduction, shading, fire prevention function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215102972U true CN215102972U (en) | 2021-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120750806.8U Active CN215102972U (en) | 2021-04-13 | 2021-04-13 | Backlight module's reflective membrane with heat conduction, electric conduction, shading, fire prevention function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215102972U (en) |
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2021
- 2021-04-13 CN CN202120750806.8U patent/CN215102972U/en active Active
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