CN217386068U - Display screen backlight graphene heat dissipation structure - Google Patents
Display screen backlight graphene heat dissipation structure Download PDFInfo
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- CN217386068U CN217386068U CN202221367155.5U CN202221367155U CN217386068U CN 217386068 U CN217386068 U CN 217386068U CN 202221367155 U CN202221367155 U CN 202221367155U CN 217386068 U CN217386068 U CN 217386068U
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- cover plate
- back cover
- heat dissipation
- display screen
- backlight source
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Abstract
The utility model relates to a display screen backlight graphene heat dissipation structure, which comprises a display screen shell and a backlight source; the display screen shell comprises a frame and a back cover plate; the backlight source is arranged on the first side frame of the frame, and the back cover plate closes an opening at one end of the frame so as to be embedded with the display module; the backlight source comprises a back cover plate, a backlight source and a plurality of heat dissipation metal strips, wherein the end of the back cover plate, which is far away from the backlight source, is provided with a plurality of heat dissipation metal strips at intervals, and the heat dissipation metal strips are parallel to each other and distributed at intervals and are tightly attached to the back cover plate; the first side frame is connected with a graphene radiating fin, and the other end of the graphene radiating fin extends out of the back cover plate to form an outer side part; the outer side is arranged between the heat dissipation metal strip and the back cover plate; by utilizing the high heat-conducting property of the graphene radiating fins, a large amount of heat generated by the backlight source is conducted to the radiating metal strips on the outer side of the back cover plate, and the heat is radiated outwards by utilizing the radiating metal strips; thereby reach the purpose and the effect of high-efficient heat conduction to need not cover whole back apron, can not influence the whole thickness of display screen simultaneously.
Description
Technical Field
The utility model relates to a display screen heat dissipation technical field especially relates to a display screen backlight graphite alkene heat radiation structure.
Background
The display screen usually uses the liquid crystal display screen technology at the present stage, as is well known, the backlight source of the liquid crystal display screen is the main light source of the liquid crystal display screen, the light emitted by the liquid crystal display screen can be irradiated on the liquid crystal panel in a plane shape through structures such as a light guide plate, a light diffusion plate and the like, and then the liquid crystal electronic control is carried out on the liquid crystal panel through a control circuit board, so that the display of the display screen image is realized. The shape of backlight is the column usually, and it produces a large amount of heats easily when the circular telegram is used, for making the population volatilize and guarantee that the display screen can move under normal temperature, need carry out the heat dissipation processing to the backlight, and traditional radiating mode carries out static heat dissipation through the louvre, and when adopting this kind of radiating mode, the heat volatilizees naturally, and its speed of volatilizing is slower, and the radiating effect is relatively poor.
In the prior art, for example, the document with the application number of 202022883131.2 discloses a backlight module of a liquid crystal display; it is through fixed underframe, the last fixed surface of fixed underframe installs and transversely protects the edge, the last fixed surface movable mounting of fixed underframe has fixed upper ledge, fixed mounting has the leaded light layer on the upper surface of fixed underframe position placed in the middle, the lower fixed surface of fixed underframe installs the aluminum sheet heat dissipation layer. A liquid crystal display backlight unit, accurate laminating in the time of can ensureing fixed upper ledge and unable adjustment base's installation to simplified the installation operation, ensured overall structure's stability simultaneously, make backlight unit's an organic whole nature stronger, the flexibility of processing has also been strengthened, can evenly absorb the heat of light emitting module on the fixed underframe through the aluminum sheet heat dissipation layer, cooperation graphite alkene heat dissipation layer dispels the heat with copper pipe heat dissipation layer, radiating performance has been improved through three-layer heat dissipation design, backlight unit's life has been prolonged. In the mode, the metal piece with good heat dissipation performance is adopted to conduct heat to the outside, and the graphene layer is used as the middle conducting piece, so that the whole thickness of the display screen is increased, the metal piece is attached to the whole back plate in a full-coverage mode, the heat dissipation efficiency is reduced for the side backlight source screen, and the screen also needs a certain ventilation air duct to realize heat transfer; therefore, a heat dissipation structure with a more reasonable design is needed.
SUMMERY OF THE UTILITY MODEL
Aiming at the problem that the screen heat dissipation effect of the existing full-coverage heat dissipation structure aiming at the side backlight source is poor in the prior art; provides a technical scheme for solving the problem.
In order to achieve the above object, the utility model provides a display screen backlight graphene heat dissipation structure, which comprises a display screen shell and a backlight source; a display module is further installed in the display screen shell and used for displaying pictures; the display screen shell comprises a frame and a back cover plate; the backlight source is arranged on a first side frame of the frame, and the back cover plate closes an opening at one end of the frame so as to be embedded with the display module; a plurality of heat dissipation metal strips are arranged at intervals at one end of the back cover plate, which is far away from the backlight source, are parallel to each other and distributed at intervals, and are tightly attached to the back cover plate; the first side frame is connected with a graphene radiating fin, and the other end of the graphene radiating fin extends out of the back cover plate to form an outer side part; the outer side is disposed between the heat dissipating metal strip and the back cover plate.
Preferably, the back cover plate corresponding to two adjacent heat dissipation metal strips is provided with a through hole, the graphene heat dissipation fins are formed in a structure that the inner side and the outer side of the back cover plate are inserted through the through hole, the part of the graphene heat dissipation fins located on the outer side of the back cover plate is the outer side, and the part located on the inner side of the back cover plate is the inner side.
Preferably, a heat conductive foil is provided on the inner side of the back cover plate, and the heat conductive foil is in close contact with the inner side portion.
Preferably, the heat conductive foil is disposed across the insertion hole, and the inner side portion is disposed between the heat conductive foil and the back cover plate; and the heat conducting foil seals the through hole.
Preferably, the heat conducting foil is of an aluminum foil structure.
Preferably, the vertical cross section of the through hole is inclined relative to the vertical direction, and the inclined direction is consistent with the penetrating direction of the graphene radiating fin.
Preferably, the back cover plate is further provided with an air inlet hole.
The utility model has the advantages that: the utility model discloses a display screen backlight graphene heat dissipation structure, which comprises a display screen shell and a backlight source; a display module is also arranged in the display screen shell and used for displaying pictures; the display screen shell comprises a frame and a back cover plate; the backlight source is arranged on the first side frame of the frame, and the back cover plate closes an opening at one end of the frame so as to be embedded with the display module; the backlight source comprises a back cover plate, a backlight source and a plurality of heat dissipation metal strips, wherein the end of the back cover plate, which is far away from the backlight source, is provided with a plurality of heat dissipation metal strips at intervals, and the heat dissipation metal strips are parallel to each other and distributed at intervals and are tightly attached to the back cover plate; the first side frame is connected with a graphene radiating fin, and the other end of the graphene radiating fin extends out of the back cover plate to form an outer side part; the outer side is arranged between the heat dissipation metal strip and the back cover plate; by utilizing the high heat-conducting property of the graphene radiating fins, a large amount of heat generated by the backlight source is conducted to the radiating metal strips on the outer side of the back cover plate, and the heat is radiated outwards by utilizing the radiating metal strips; thereby reach high-efficient heat conduction's purpose and effect to need not cover whole back apron, can not influence the whole thickness of display screen simultaneously.
Drawings
Fig. 1 is a perspective view of the present invention;
fig. 2 is a perspective view of another perspective of the present invention;
FIG. 3 is a rear view of the back cover plate of the present invention;
fig. 4 is an exploded view of the present invention;
fig. 5 is a cross-sectional view of the present invention;
fig. 6 is a partially enlarged view of a portion a in fig. 5 according to the present invention.
The main component symbols are as follows:
1. a display screen housing; 11. a frame; 111. a first side frame; 12. a back cover plate; 121. inserting holes;
2. a backlight source;
3. a display module;
4. a heat dissipating metal strip;
5. a graphene heat sink; 51. an outer side portion; 52. an inner side portion;
6. a thermally conductive foil.
Detailed Description
In order to make the present invention clearer, the present invention will be further described with reference to the accompanying drawings.
In the following description, general example details are given to provide a more thorough understanding of the present invention. It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. It should be understood that the detailed description and specific examples, while indicating the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or groups thereof.
The utility model discloses a display screen backlight graphene heat dissipation structure, please refer to fig. 1-5; comprises a display screen shell 1 and a backlight source 2; a display module 3 is also arranged in the display screen shell 1, and the display module 3 is used for displaying pictures; the display screen shell 1 comprises a frame 11 and a back cover plate 12; the backlight source 2 is installed on the first side frame 111 of the frame 11, the back cover plate 12 closes one end opening of the frame 11, so as to embed a display module, the so-called display module is a component for realizing picture display in the prior art, for example, the display module comprises a light guide plate, a reflecting plate, a liquid crystal, a glass substrate and the like, and the structure can be realized by adopting a general structure in the prior art; wherein, one end of the back cover plate 12 far away from the backlight 2 is provided with a plurality of heat dissipation metal strips 4 at intervals, and the heat dissipation metal strips 4 are parallel to each other and distributed at intervals and are tightly attached to the back cover plate 12; the first side frame 111 is connected with the graphene heat dissipation sheet 5, and since the backlight source is the part with the highest heat productivity in the display screen, but since the light of the backlight source needs to be effectively guided to the light guide plate, the graphene heat dissipation sheet does not directly contact with the backlight source, but is connected with the first side frame directly contacting with the backlight source to conduct and absorb heat; the other end of the graphene heat sink 5 extends out of the back cover plate to form an outer side part 51; the outer part 51 is disposed between the heat dissipating metal strip 4 and the back cover plate 12; because the heat conduction efficiency of graphite alkene fin is high, can buckle simultaneously, consequently can regard as good heat dissipation material, and lead the heat to the one side of keeping away from the backlight, can effectively reduce because the too concentrated fault rate that leads to of temperature to graphite alkene fin stretches out the back apron outside and the contact of heat dissipation metal strip, can effectively carry out heat transfer, has improved the power of heat to external radiation.
In this embodiment, the back cover plate 12 corresponding to two adjacent heat dissipation metal strips 4 is provided with the through holes 121, and the graphene heat dissipation fins 5 form a structure penetrating through the through holes on the inner side and the outer side of the back cover plate, similar to an S-shaped snake-shaped penetrating structure, so that the graphene heat dissipation fins can be better protected; the influence of the graphene radiating fins on the appearance is reduced; the portion of the graphene heat sink 5 located outside the back cover plate is an outer portion 51, and the portion located inside the back cover plate is an inner portion 52. If the heat sink is directly and completely arranged outside, the heat dissipation and heat absorption effects for the upper space of the back cover plate are reduced, and a structure with both sides is formed, so that the inner part can continuously absorb heat and then the heat can be transmitted to the outer part for heat dissipation.
In the present embodiment, the heat conductive foil 6 is provided on the inner side of the back cover 12, and the heat conductive foil 6 is in close contact with the inner side. The heat conducting foil can play a role in fixing the graphene radiating fins and can efficiently absorb heat to conduct heat outwards through the graphene radiating fins.
In this embodiment, the heat conductive foil is disposed across the through-hole, and the inner side portion is disposed between the heat conductive foil and the back cover plate; the heat conducting foil seals the through hole; the probability of dust deposition at the location of the through-hole can be reduced.
In the present embodiment, the heat conducting foil is an aluminum foil structure; the structure is thin, and the material has high heat-conducting property.
In this embodiment, the vertical cross section of the insertion hole 121 is inclined relative to the vertical direction, and the inclined direction is consistent with the insertion direction of the graphene heat sink. In order to make the graphite alkene fin can more smoothly utilize the interlude hole to alternate, the mode that the slope set up can let graphite alkene fin degree of buckling reduce.
In this embodiment, the back cover plate is also provided with air intake holes.
The utility model has the advantages that:
by utilizing the high heat-conducting property of the graphene radiating fins, a large amount of heat generated by the backlight source is conducted to the radiating metal strips on the outer side of the back cover plate, and the heat is radiated outwards by utilizing the radiating metal strips; thereby reach high-efficient heat conduction's purpose and effect to need not cover whole back apron, can not influence the whole thickness of display screen simultaneously.
The above disclosure is only for the specific embodiments of the present invention, but the present invention is not limited thereto, and any changes that can be made by those skilled in the art should fall within the protection scope of the present invention.
Claims (7)
1. A graphene heat dissipation structure of a display screen backlight source comprises a display screen shell and the backlight source; a display module is further installed in the display screen shell and used for displaying pictures; the display screen is characterized in that the display screen shell comprises a frame and a back cover plate; the backlight source is arranged on a first side frame of the frame, and the back cover plate closes an opening at one end of the frame so as to be embedded with the display module; a plurality of heat dissipation metal strips are arranged at intervals at one end of the back cover plate, which is far away from the backlight source, are parallel to each other and distributed at intervals, and are tightly attached to the back cover plate; the first side frame is connected with a graphene radiating fin, and the other end of the graphene radiating fin extends out of the back cover plate to form an outer side part; the outer side is disposed between the heat dissipating metal strip and the back cover plate.
2. The display screen backlight source graphene heat dissipation structure according to claim 1, wherein through holes are formed in the back cover plate corresponding to two adjacent heat dissipation metal strips, and the graphene heat dissipation fins are inserted into the back cover plate at inner and outer sides through the through holes, wherein the outer side portion is a portion of the graphene heat dissipation fin located at the outer side of the back cover plate, and the inner side portion is a portion of the graphene heat dissipation fin located at the inner side of the back cover plate.
3. The display screen backlight graphene heat dissipation structure of claim 2, wherein a heat conducting foil is disposed on an inner side of the back cover plate, and the heat conducting foil is tightly attached to the inner side portion.
4. The display screen backlight graphene heat dissipation structure of claim 3, wherein the heat conductive foil is disposed across the through-hole, and the inner portion is disposed between the heat conductive foil and the back cover plate; and the heat conducting foil seals the through hole.
5. The display screen backlight source graphene heat dissipation structure of claim 3, wherein the heat conducting foil is an aluminum foil structure.
6. The display screen backlight source graphene heat dissipation structure of claim 2, wherein a vertical cross section of the through hole is relatively inclined to a vertical direction, and an inclined direction is consistent with an inserting direction of the graphene heat dissipation sheet.
7. The display screen backlight source graphene heat dissipation structure of claim 1, wherein the back cover plate is further provided with an air inlet hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221367155.5U CN217386068U (en) | 2022-06-02 | 2022-06-02 | Display screen backlight graphene heat dissipation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221367155.5U CN217386068U (en) | 2022-06-02 | 2022-06-02 | Display screen backlight graphene heat dissipation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217386068U true CN217386068U (en) | 2022-09-06 |
Family
ID=83089328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221367155.5U Active CN217386068U (en) | 2022-06-02 | 2022-06-02 | Display screen backlight graphene heat dissipation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217386068U (en) |
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2022
- 2022-06-02 CN CN202221367155.5U patent/CN217386068U/en active Active
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