CN211786486U - Low-radiation liquid crystal display module with high heat dissipation efficiency - Google Patents

Abstract

The utility model discloses a low radiation liquid crystal display module that radiating efficiency is high, which comprises a housin, shells inner wall's top is provided with liquid crystal display panel, the inner wall of casing is provided with the circuit board module, the top of circuit board module is provided with the LED unit, the circuit board module includes base plate, viscose layer, circuit layer, covers membrane and through-hole, the top of base plate bonds with the bottom on viscose layer, the top on viscose layer bonds with the bottom on circuit layer, the top on circuit layer bonds with the bottom that covers the membrane, the bottom at the base plate is seted up to the through-hole, the round hole has all been seted up in the four corners of casing bottom. The utility model provides a current low radiation liquid crystal display module radiating efficiency low, because the heat conductivility of inner assembly is poor and only set up the louvre on the shell and dispel the heat, lead to inside heat to give off slower, the high temperature makes the inner member damage easily, reduces its life's problem.

Description

Low-radiation liquid crystal display module with high heat dissipation efficiency

Technical Field

The utility model relates to a low radiation liquid crystal display module technical field specifically is a low radiation liquid crystal display module that radiating efficiency is high.

Background

The liquid crystal module brief point says that is the screen and backlight assembly, the display element of LCD TV is the liquid crystal module, liquid crystal display's principle is that backlight assembly sends even face light, light passes to in our eyes through the liquid crystal screen, the effect of screen is just to handle these lights according to the pixel, with the display image, but current low radiation liquid crystal display module radiating efficiency is low, because the heat conductivility of inside subassembly is poor and only set up the louvre on the shell and dispel the heat, lead to inside heat to distribute slower, the high temperature makes the internal component damage easily, reduce its life-span of use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low radiation liquid crystal display module that radiating efficiency is high, possess the advantage that the radiating efficiency is high, solved current low radiation liquid crystal display module radiating efficiency low, because the heat conductivility of inner assembly is poor and only set up the louvre on the shell and dispel the heat, lead to inside heat to give off slower, the high easy messenger's of high temperature internal component damages, reduces its life's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a low radiation liquid crystal display module assembly that radiating efficiency is high, includes the casing, shells inner wall's top is provided with liquid crystal display panel, the inner wall of casing is provided with circuit board module, circuit board module's top is provided with the LED unit, circuit board module includes base plate, viscose layer, circuit layer, covers membrane and through-hole, the top of base plate bonds with the bottom on viscose layer, the top on viscose layer bonds with the bottom on circuit layer, the top on circuit layer bonds with the bottom that covers the membrane, the bottom at the base plate is seted up to the through-hole, the round hole has all been seted up in the four corners of casing bottom, the inner chamber of round hole passes through support fixedly connected with radiator fan.

Preferably, the left side of the inner cavity of the shell is fixedly connected with a backlight source, and the bottom of the shell is fixedly connected with a light-intensifying membrane.

Preferably, both sides of the bottom of the shell are fixedly connected with reflection sheets, the top of each reflection sheet is fixedly connected with a light guide plate, and four corners of the bottom of the shell are movably connected with filter screen plates through bolts.

Preferably, the substrate is made of an insulating heat conduction material, and the insulating heat conduction material is made of heat conduction silicone grease.

Preferably, the inside of the adhesive layer is doped with insulating heat-conducting particles, and the insulating heat-conducting particles are modified aluminum nitride particles.

Preferably, the cover film is made of a high-thermal-conductivity cover film, and the high-thermal-conductivity cover film is made of an insulating and thermal-conductivity base film and a thermal-conductivity insulating adhesive layer coated on the insulating and thermal-conductivity base film.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a casing, liquid crystal display panel, circuit board module, the LED unit, the base plate, the viscose layer, the circuit layer, cover the membrane, the through-hole, round hole and radiator fan cooperate, possess the advantage that the radiating efficiency is high, it is low to have solved current low radiation liquid crystal display module radiating efficiency, because the heat conductivility of inner assembly is poor and only set up the louvre on the shell and dispel the heat, it is slower to lead to inside heat to distribute, the high easy internal component that makes of high temperature damages, reduce its life's problem.

2. The utility model has the advantages that the backlight source and the intensifying membrane are arranged, so that the backlight assembly can emit uniform surface light, the light is transmitted into eyes through the liquid crystal display panel, the display effect of the liquid crystal display panel is better by arranging the reflector plate and the light guide plate, the dust is prevented from entering the shell through the round hole by arranging the filter screen plate, the base plate is made of insulating heat-conducting material which is made of heat-conducting silicone grease, so that the heat transmitted by the adhesive layer from the circuit layer can be more rapidly dissipated, the adhesive layer is doped with insulating heat-conducting particles which are modified aluminum nitride particles, so that the heat of the circuit layer is better transmitted to the base plate and dissipated through the through holes, the cover film is made of high heat-conducting cover film which is made of insulating heat-conducting base film and heat-conducting type insulating adhesive layer coated on the insulating heat-conducting base film, the heat of the circuit layer and the LED units is better transferred to the covering film, and the heat is quickly dissipated through the covering film.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic diagram of the circuit board module according to the present invention;

fig. 3 is a schematic view of the present invention from the bottom.

In the figure: the LED display device comprises a shell 1, a liquid crystal display panel 2, a circuit board module 3, an LED unit 4, a substrate 31, an adhesive layer 32, a circuit layer 33, a cover film 34, a through hole 35, a circular hole 5, a heat radiation fan 6, a backlight source 7, a light intensifying membrane 8, a reflector 9, a light guide plate 10 and a filter screen plate 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a low-radiation liquid crystal display module with high heat dissipation efficiency comprises a housing 1, a liquid crystal display panel 2 is disposed on the top of the inner wall of the housing 1, a circuit board module 3 is disposed on the inner wall of the housing 1, an LED unit 4 is disposed on the top of the circuit board module 3, the circuit board module 3 comprises a substrate 31, an adhesive layer 32, a circuit layer 33, a cover film 34 and a through hole 35, the top of the substrate 31 is adhered to the bottom of the adhesive layer 32, the top of the adhesive layer 32 is adhered to the bottom of the circuit layer 33, the top of the circuit layer 33 is adhered to the bottom of the cover film 34, the through hole 35 is disposed on the bottom of the substrate 31, round holes 5 are disposed at four corners of the bottom of the housing 1, a heat dissipation fan 6 is fixedly connected to the inner cavity of the round holes 5 through a bracket, a backlight 7 is fixedly connected to the left side of, the backlight assembly can emit uniform surface light, the light is transmitted into eyes through the liquid crystal display panel 2, two sides of the bottom of the shell 1 are fixedly connected with the reflector plates 9, the top of the reflector plate 9 is fixedly connected with the light guide plate 10, four corners of the bottom of the shell 1 are movably connected with the filter screen plate 11 through bolts, the liquid crystal display panel 2 is enabled to have better display effect by arranging the reflector plates 9 and the light guide plate 10, through arranging the filter screen plate 11, dust is prevented from entering the shell 1 through the round holes 5, the substrate 31 is made of insulating heat conduction materials, the insulating heat conduction materials are made of heat conduction silicone grease, heat transmitted from the circuit layer 33 by the adhesive layer 32 can be rapidly dissipated, the inside of the adhesive layer 32 is doped with insulating heat conduction particles, and the insulating heat conduction particles are modified aluminum nitride particles, through the inside doping of setting up viscose layer 32 has insulating heat conduction granule, insulating heat conduction granule is the aluminium nitride granule of modification, make the better transmission of heat of circuit layer 33 give off for base plate 31 and through-hole 35, the material of cover film 34 is high heat conduction cover film, high heat conduction cover film is made by insulating heat conduction type base film and the heat conduction type insulating glue layer of coating on insulating heat conduction type base film, through the material that sets up cover film 34 is high heat conduction cover film, high heat conduction cover film is made by insulating heat conduction type base film and the heat conduction type insulating glue layer of coating on insulating heat conduction type base film, make the better transmission of heat of circuit layer 33 and LED unit 4 give cover film 34, through cover film 34 give off the heat fast, through casing 1, liquid crystal display panel 2, circuit board module 3, LED unit 4, base plate 31, viscose layer 32, circuit layer 33, cover film 34, Through-hole 35, round hole 5 and radiator fan 6 cooperate, possess the advantage that the radiating efficiency is high, have solved current low radiation liquid crystal display module radiating efficiency low, because the heat conductivility of inner assembly is poor and only set up the louvre on the shell and dispel the heat, lead to inside heat to give off slower, the high temperature makes the inner member damage easily, reduces its life's problem.

When the LED display module is used, the cover film 34 is made of high-heat-conduction cover film, the high-heat-conduction cover film is made of an insulating heat-conduction base film and a heat-conduction insulating adhesive layer coated on the insulating heat-conduction base film, so that the heat of the circuit layer 33 and the LED unit 4 is better transferred to the cover film 34, the heat is quickly dissipated through the cover film 34, the adhesive layer 32 is doped with insulating heat-conduction particles, the insulating heat-conduction particles are modified aluminum nitride particles, the heat of the circuit layer 33 is better transferred to the substrate 31 and dissipated through the through hole 35, the substrate 31 is made of insulating heat-conduction material, the insulating heat-conduction material is made of heat-conduction silicone grease, so that the heat transferred from the circuit layer 33 by the adhesive layer 32 is more quickly dissipated, the cooling fan 6 operates to discharge the hot air dissipated in the shell 1, and the liquid crystal display module is efficiently cooled, and protecting the liquid crystal display module.

All parts used in the application document are standard parts and can be purchased from the market, the specific connection mode of all parts adopts conventional means such as mature bolts, rivets, welding and the like in the prior art, and machines, parts and electrical equipment all adopt conventional models in the prior art, and detailed description is not given here.

In summary, the following steps: this low radiation liquid crystal display module that radiating efficiency is high, through casing 1, liquid crystal display panel 2, circuit board module 3, LED unit 4, base plate 31, viscose layer 32, circuit layer 33, cover membrane 34, through-hole 35, round hole 5 and radiator fan 6 cooperate, current low radiation liquid crystal display module radiating efficiency is low has been solved, because the heat conductivility of inner assembly is poor and only set up the louvre on the shell and dispel the heat, it is slower to lead to inside heat to distribute, the high temperature makes the inner member damage easily, reduce its life's problem.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a low radiation liquid crystal display module assembly that radiating efficiency is high, includes casing (1), its characterized in that: the top of casing (1) inner wall is provided with liquid crystal display panel (2), the inner wall of casing (1) is provided with circuit board module (3), the top of circuit board module (3) is provided with LED unit (4), circuit board module (3) are including base plate (31), viscose layer (32), circuit layer (33), cover membrane (34) and through-hole (35), the top of base plate (31) bonds with the bottom of viscose layer (32), the top of viscose layer (32) bonds with the bottom of circuit layer (33), the top of circuit layer (33) bonds with the bottom of covering membrane (34), the bottom at base plate (31) is seted up in through-hole (35), round hole (5) have all been seted up in the four corners of casing (1) bottom, the inner chamber of round hole (5) passes through support fixedly connected with radiator fan (6).

2. The low-radiation liquid crystal display module with high heat dissipation efficiency as set forth in claim 1, wherein: the backlight module is characterized in that a backlight source (7) is fixedly connected to the left side of the inner cavity of the shell (1), and a brightening membrane (8) is fixedly connected to the bottom of the shell (1).

3. The low-radiation liquid crystal display module with high heat dissipation efficiency as set forth in claim 1, wherein: the LED lamp is characterized in that the two sides of the bottom of the shell (1) are fixedly connected with reflection sheets (9), the top of each reflection sheet (9) is fixedly connected with a light guide plate (10), and the four corners of the bottom of the shell (1) are movably connected with filter screen plates (11) through bolts.

4. The low-radiation liquid crystal display module with high heat dissipation efficiency as set forth in claim 1, wherein: the substrate (31) is made of insulating heat conduction materials, and the insulating heat conduction materials are made of heat conduction silicone grease.

5. The low-radiation liquid crystal display module with high heat dissipation efficiency as set forth in claim 1, wherein: the inside of the adhesive layer (32) is doped with insulating heat-conducting particles, and the insulating heat-conducting particles are modified aluminum nitride particles.

6. The low-radiation liquid crystal display module with high heat dissipation efficiency as set forth in claim 1, wherein: the cover film (34) is made of a high-heat-conduction cover film which is made of an insulating heat-conduction type base film and a heat-conduction type insulating adhesive layer coated on the insulating heat-conduction type base film.

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