CN213548119U

CN213548119U - Conductive graphite heat dissipation film

Info

Publication number: CN213548119U
Application number: CN202022533168.2U
Authority: CN
Inventors: 谭小球
Original assignee: Shenzhen Lediwei Technology Co ltd
Current assignee: Shenzhen Lediwei Technology Co ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-06-25
Anticipated expiration: 2030-11-05

Abstract

The utility model provides a conductive graphite heat dissipation film, which comprises a protection film layer and a heat dissipation graphite sheet attached to the protection film layer, wherein a first through frame and a second through frame are arranged inside the heat dissipation graphite sheet, and a first conductive block, a second conductive block and a fixed block are arranged in the first through frame and the second through frame, so that the heat dissipation graphite sheet, the first conductive block, the second conductive block and the fixed block are of an integrated structure; when the assembly, only need tear the protection film once, can make screen FPC winding displacement and conducting block and fixed block laminating, the conducting block with FPC and the iron frame ground connection in a poor light, the fixed block with FPC and the iron frame bonding of being shaded fixed, the heat dissipation graphite flake its to the heat dissipation effect simultaneously, convenient assembly reduces the assembly number of times and also reduces assembly error.

Description

Conductive graphite heat dissipation film

Technical Field

The utility model relates to a heat dissipation graphite flake technical field especially relates to an electrically conductive graphite heat dissipation membrane.

Background

In the process of assembling the mobile phone screen, graphite, conductive adhesive and double faced adhesive tape are generally used for assembling the mobile phone screen for three times to be used for heat dissipation of the mobile phone screen, conductive grounding and fixing of a screen FPC, and the graphite, the conductive adhesive and the double faced adhesive tape are assembled separately to influence efficiency and assembly precision, so that assembly cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a conductive graphite heat dissipation membrane aims at solving current graphite, conducting resin, double faced adhesive tape and influences precision and the high technical problem of assembly cost when the equipment of cell-phone screen.

In order to achieve the above object, the utility model provides an electrically conductive graphite heat dissipation film, its include the protection rete and with the heat dissipation graphite flake of protection rete laminating, heat dissipation graphite flake 1 inside open have first logical frame and the logical frame of second, first logical frame, the second lead to be equipped with first conducting block, second conducting block and fixed block in the frame to make heat dissipation graphite flake, first conducting block, second conducting block and fixed block structure as an organic whole.

Preferably, the edge of the heat dissipation graphite sheet and the edge of the through frame are provided with edge wrapping parts.

Preferably, the middle part of the heat dissipation graphite sheet is provided with a first through frame, a first conductive block and a fixed block are correspondingly arranged in the first through frame, the side edge of the heat dissipation graphite sheet is provided with a second through frame, and a second conductive block is correspondingly arranged in the second through frame.

Preferably, the conductive block is conductive cloth, conductive adhesive or conductive copper aluminum foil.

Preferably, the fixing block is a double-sided tape.

Preferably, the protective film layer is a blue silica gel protective film.

Compared with the prior art, the utility model discloses possess following beneficial effect:

the utility model provides a conductive graphite heat dissipation film, which comprises a protection film layer and a heat dissipation graphite sheet attached with the protection film layer, wherein a through frame is arranged inside the heat dissipation graphite sheet, and a conductive block and a fixed block are arranged in the through frame so as to enable the heat dissipation graphite sheet, the conductive block and the fixed block to be an integrated structure; when the assembly, only need tear the protection film once, can make screen FPC winding displacement and conducting block and fixed block laminating, the conducting block with FPC and the iron frame ground connection in a poor light, the fixed block with FPC and the iron frame bonding of being shaded fixed, the heat dissipation graphite flake its to the heat dissipation effect simultaneously, convenient assembly reduces the assembly number of times and also reduces assembly error.

Drawings

Fig. 1 is a schematic view of the structure of the conductive graphite heat dissipation film of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings.

The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention, and all other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

The utility model provides a conductive graphite heat dissipation film, it includes protection rete 2 and the heat dissipation graphite flake 1 of laminating with protection rete 2, 1 inside division of heat dissipation graphite flake has first logical frame A and second to frame B, and first logical frame A, second lead to be equipped with first conducting block 3, second conducting block 5 and fixed block 4 in the frame B to make heat dissipation graphite flake 1, first conducting block 3, second conducting block 5 and fixed block 4 structure as an organic whole.

In this embodiment, heat dissipation graphite flake 1 and a, conducting block 3 in the B, 5 and fixed block 4 are structure as an organic whole, protection rete 2 plays protection structure and provides the effect of support for structure as an organic whole, in concrete equipment implementation, with heat dissipation graphite flake 1, conducting block 3,5 and the integrative structure of fixed block 4 assemble on the iron frame in a poor light of cell-phone screen, only need tear the protection film once, can make cell-phone screen FPC winding displacement and conducting block 3,5 and the laminating of fixed block 4, conducting block 3,5 with screen FPC and the iron frame ground connection in a poor light, fixed block 4 bonds screen FPC and the iron frame in a poor light fixedly, heat dissipation graphite flake 1 plays the heat dissipation effect simultaneously, this integrative structure is convenient to assemble, once assemble can, reduce the assembly number of times and also reduce assembly error. The conducting block 4 and FPC screen iron frame electricity conduction bonding ground connection in a poor light solve cell-phone screen ground connection, prevent static problem, fixed block 4 and FPC screen iron frame bonding fixed in a poor light prevent that FPC from rising, avoid appearing FPC ground connection harmfully, heat dissipation graphite flake 1 is used for the backlight unit heat dissipation, and cell-phone screen is positive heat conduction, heat dissipation promptly.

Referring to fig. 1, edges of the heat dissipation graphite sheet 1 and edges of the through frame have edge portions 101. Can prevent that 1 micron powder of in-process heat dissipation graphite flake grain that uses from falling on cell-phone screen or other electronic components, can lead to electronic components short circuit. The better laminating of meeting after heat dissipation graphite flake 1 bordures is at the source of generating heat promptly cell-phone screen, also can prevent dropping of graphite micropowder simultaneously.

Referring to fig. 1, a first through frame a is opened in the middle of a heat dissipation graphite sheet 1, a first conductive block 3 and a fixed block 4 are correspondingly arranged in the first through frame a, a second through frame B is opened on the side of the heat dissipation graphite sheet 1, and a second conductive block 5 is correspondingly arranged in the second through frame B. During actual assembly, a through frame is arranged on the heat dissipation graphite sheet 1 according to the positions of the FPC and the FPC flat cable of the mobile phone screen, and then a conductive block and a fixed block are arranged in the through frame, so that the FPC and the FPC flat cable of the mobile phone screen can be better attached.

The conductive blocks 3 and 5 are made of conductive cloth, conductive adhesive or conductive copper aluminum foil, and the fixed block 4 is made of double-sided adhesive tape. The FPC of the mobile phone screen is adhered to conductive adhesive, conductive cloth or conductive copper-aluminum foil and double-sided adhesive, and the conductive cloth, the conductive adhesive or the conductive copper-aluminum foil mainly plays a role in grounding the FPC and the backlight iron frame. The screen FPC and the backlight iron frame are fixedly bonded by the double-faced adhesive tape, so that the screen FPC is prevented from warping.

Wherein, the protective film layer 2 is a blue silica gel protective film. Besides the blue silica gel protective film, the transparent PET protective film can also be a single-layer transparent PET protective film.

The above embodiments are only used for illustrating the present invention, and not for limiting the present invention, and those skilled in the relevant technical field can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the claims.

Claims

1. The utility model provides a conductive graphite heat dissipation film, its characterized in that, including the protection rete and with the heat dissipation graphite flake of protection rete laminating, heat dissipation graphite flake is inside to be opened has first logical frame and the logical frame of second, first logical frame, the second lead to be equipped with first conducting block, second conducting block and fixed block in the frame to make heat dissipation graphite flake, first conducting block, second conducting block and fixed block structure as an organic whole.

2. The conductive graphite heat spreading film of claim 1, wherein the heat spreading graphite sheet edge and the through frame edge have a border portion.

3. The conductive graphite heat dissipation film according to claim 1, wherein a first through frame is formed in a middle portion of the heat dissipation graphite sheet, a first conductive block and a fixed block are correspondingly arranged in the first through frame, a second through frame is formed in a side edge of the heat dissipation graphite sheet, and a second conductive block is correspondingly arranged in the second through frame.

4. The conductive graphite heat dissipation film of claim 1 or 3, wherein the conductive block is a conductive cloth, a conductive adhesive or a conductive copper aluminum foil.

5. The conductive graphite heat dissipation film according to claim 1 or 3, wherein the fixing block is a double-sided tape.

6. The conductive graphite heat spreading film of claim 1 wherein the protective film layer is a blue silica gel protective film.