CN207731054U - A kind of backlight module - Google Patents
A kind of backlight module Download PDFInfo
- Publication number
- CN207731054U CN207731054U CN201820200303.1U CN201820200303U CN207731054U CN 207731054 U CN207731054 U CN 207731054U CN 201820200303 U CN201820200303 U CN 201820200303U CN 207731054 U CN207731054 U CN 207731054U
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- CN
- China
- Prior art keywords
- fixedly connected
- shell
- led lamp
- lamp panel
- radiator fan
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Planar Illumination Modules (AREA)
Abstract
The utility model discloses a kind of backlight modules, including shell, the housing exterior wall is provided with Air Filter, the Air Filter is detachably connected with the housing exterior wall, and brightness enhancement film is provided in the shell vessel, and the brightness enhancement film is fixedly connected with the shell inner cavity wall, it is provided with diffusion sheet below the brightness enhancement film, the diffusion sheet is fixedly connected with brightness enhancement film lower surface, is provided with diffuser plate below the diffusion sheet, the diffuser plate is fixedly connected with the diffusion sheet lower surface；LED lamp panel is not only set directly to be radiated, also add the service life of LED lamp panel, pedestal is provided below in shell, base intracavity is provided with radiator fan, so that radiator fan is radiated shell inner cavity, increase the service life of module, housing exterior wall is provided with Air Filter, make extraneous dust that can not influence the use of backlight module by Air Filter, increases the service life of backlight module.
Description
Technical field
The utility model belongs to back light model setting technology field, and in particular to a kind of backlight module.
Background technology
Backlight module is one of the key part and component of panel of LCD, and function is well-off brightness and distribution
Uniform light source can normally show image.
Original backlight module during use, will produce a large amount of heat, lead to the reduction of LED light light emission luminance,
The service life for shortening backlight module, dust when using backlight module in air can inevitably enter in module, lead
It causes module to break down, shortens the service life of backlight module.
Utility model content
The purpose of this utility model is to provide a kind of backlight modules, mentioned above in the background art original to solve
Backlight module during use, will produce a large amount of heat, leads to the reduction of LED light light emission luminance, shortens backlight module
Service life, using backlight module when air in dust inevitably can enter module in, cause module to break down,
Shorten the service life problem of backlight module.
To achieve the above object, the utility model provides the following technical solutions：A kind of backlight module, including shell, it is described
Housing exterior wall is provided with Air Filter, and the Air Filter is detachably connected with the housing exterior wall, is set in the shell vessel
It is equipped with brightness enhancement film, the brightness enhancement film is fixedly connected with the shell inner cavity wall, and diffusion sheet is provided with below the brightness enhancement film, described
Diffusion sheet is fixedly connected with brightness enhancement film lower surface, and diffuser plate, the diffuser plate and the diffusion are provided with below the diffusion sheet
Piece lower surface is fixedly connected, and glue frame is provided with below the diffuser plate, and the glue frame is fixedly connected with the diffuser plate lower surface,
It is provided with LED lamp panel below the glue frame, the LED lamp panel is fixedly connected with the glue frame lower surface, below the LED lamp panel
It is provided with aluminum substrate, the aluminum substrate is fixedly connected with the LED lamp panel lower surface, and it is double that heat conduction is provided with below the aluminum substrate
Face glue, the bond plies are fixedly connected with the aluminum substrate lower surface, and strip is provided with below the bond plies and is dissipated
Heat block, the strip radiating block are fixedly connected with the bond plies lower surface, and the back of the body is provided with below the strip radiating block
Tabula rasa, the backlight are fixedly connected with strip radiating block lower surface, and pedestal, the pedestal are provided with below the shell
It is fixedly connected with the shell lower surface, the pedestal offers vessel, and radiator fan is provided in vessel, the radiation air
Fan is fixedly connected with the base intracavity wall, and the radiator fan and the LED lamp panel are electrically connected with external power supply.
Preferably, the bond plies and the strip radiating block are fixedly connected by screw with the aluminum substrate, and
There are five the bond plies and the strip radiating block are provided with are respectively provided with altogether, and uniformly it is fixed on the aluminum substrate following table
Face.
Preferably, the radiator fan lower surface is provided with discharge pipe, and described discharge pipe one end is solid with the radiator fan
Fixed connection, the other end run through the pedestal lower wall, and the radiator fan upper surface is provided with blast pipe, described blast pipe one end with
The radiator fan is fixedly connected, and the other end runs through the base upper wall and the shell lower wall.
Preferably, the shell both sides offer radiator window, and are fixed with sponge plate at the radiator window.
Preferably, the backlight all wraps up the LED lamp panel lower end, and with the LED lamp panel at seal shape.
Compared with prior art, the utility model has the beneficial effects that：The utility model is scientific and reasonable for structure, safe to use
It is convenient, aluminum substrate is provided below in LED lamp panel, aluminum substrate lower surface is provided with bond plies, bond plies lower surface
It is provided with strip radiating block, aluminum substrate is made directly to be absorbed to the heat that LED lamp panel distributes, the heat for making aluminum substrate be absorbed
It can be reached by bond plies and give strip radiating block, so that strip radiating block is cooled down heat, not only enable LED lamp panel
It is enough directly to be radiated, the service life of LED lamp panel is also added, pedestal is provided below in shell, base intracavity is provided with scattered
Hot-air fan enables radiator fan to radiate shell inner cavity, increases the service life of module, is provided in housing exterior wall
Air Filter makes extraneous dust that can not influence the use of backlight module by Air Filter, and increase backlight module uses the longevity
Life.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the LED lamp panel structure schematic diagram of the utility model；
Fig. 3 is the schematic diagram of base structure of the utility model；
In figure：1- shells, 2- Air Filters, 3- diffusion sheets, 4-LED lamp plates, 5- brightness enhancement films, 6- pedestals, 7- backlights, 8- aluminium
Substrate, 9- glue frames, 10- diffuser plates, 11- bond plies, 12- radiator fans, 13- strip radiating blocks.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the utility model provides a kind of back light model setting technology scheme：A kind of backlight module, including shell
1,1 appearance wall of shell is provided with Air Filter 2, and Air Filter 2 is detachably connected with 1 appearance wall of shell, and increasing is provided in 1 vessel of shell
Bright film 5, brightness enhancement film 5 are fixedly connected with 1 internal chamber wall of shell, and 5 lower section of brightness enhancement film is provided with diffusion sheet 3, diffusion sheet 3 and brightness enhancement film 5
Lower surface is fixedly connected, and 3 lower section of diffusion sheet is provided with diffuser plate 10, and diffuser plate 10 is fixedly connected with 3 lower surface of diffusion sheet, diffusion
10 lower section of plate is provided with glue frame 9, and glue frame 9 is fixedly connected with 10 lower surface of diffuser plate, and 9 lower section of glue frame is provided with LED lamp panel 4, LED
Lamp plate 4 is fixedly connected with 9 lower surface of glue frame, and 4 lower section of LED lamp panel is provided with aluminum substrate 8, aluminum substrate 8 and 4 lower surface of LED lamp panel
It is fixedly connected, 8 lower section of aluminum substrate is provided with bond plies 11, and bond plies 11 are fixedly connected with 8 lower surface of aluminum substrate, lead
11 lower section of hot double faced adhesive tape is provided with strip radiating block 13, and strip radiating block 13 is fixedly connected with 11 lower surface of bond plies, long
13 lower section of radiating block is provided with backlight 7, and backlight 7 is fixedly connected with 13 lower surface of strip radiating block, and 1 lower section of shell is arranged
There are pedestal 6, pedestal 6 to be fixedly connected with 1 lower surface of shell, pedestal 6 offers vessel, and radiator fan 12 is provided in vessel,
Radiator fan 12 is fixedly connected with 6 internal chamber wall of pedestal, and radiator fan 12 and LED lamp panel 4 are electrically connected with external power supply.
In order to enable LED lamp panel 4 can not influence bond plies 11 and strip radiating block 13 when giving out heat
Connection, so that bond plies 11 and strip radiating block 13 is fixed together always with aluminum substrate 8, and LED lamp panel 4 is enable to lead to
It crosses five double faced adhesive tapes 11 and strip radiating block 13 radiates faster, in the present embodiment, preferred bond plies 11 and length
Radiating block 13 is fixedly connected by screw with aluminum substrate 8, and bond plies 11 and strip radiating block 13 are provided with are all provided with altogether
There are five setting, and uniformly it is fixed on 8 lower surface of aluminum substrate.
In order to enable radiator fan 12 can be absorbed the heat of shell inner cavity by blast pipe, make radiator fan 12
The heat of absorption can be shed by discharge pipe, and in the present embodiment, 12 lower surface of preferred radiator fan is provided with discharge pipe, goes out
Air hose one end is fixedly connected with radiator fan 12, and the other end runs through 6 lower wall of pedestal, and 12 upper surface of radiator fan is provided with air inlet
Pipe, blast pipe one end are fixedly connected with radiator fan 12, and the other end runs through 1 lower wall of 6 upper wall of pedestal and shell.
In order to enable radiator fan 12 can be by extraneous cold wind inspiration shell 1, to be dissipated to 1 inner cavity of shell
Heat, and be filtered the cold wind of institute's inspiration by sponge plate, keep the cold wind of inspiration cleaner, in the present embodiment, preferably
1 both sides of shell offer radiator window, and sponge plate is fixed at radiator window.
In order to enable backlight 7 significantly more efficient can carry out backlight to LED lamp panel 12, it is preferred to carry on the back in the present embodiment
Tabula rasa 7 all wraps up 4 lower end of LED lamp panel, and with LED lamp panel 4 at seal shape.
The operation principle and process for using of the utility model：After the utility model installs, shell is mounted on first
LED lamp panel 4 and radiator fan 12 are electrified by the position needed, make LED lamp panel 4 start to illuminate display screen, LED
The light that lamp plate 4 is irradiated can be distributed by diffuser plate 10 and diffusion sheet 3 with, by brightness enhancement film 5 by the brightness of light
Enhancing is reaching to display screen, will produce a large amount of heat at work in LED lamp panel 4, aluminum substrate 8 can be directly to LED
Lamp plate 4 directly carries out heat absorption, and the heat that aluminum substrate 8 is absorbed can be reached by bond plies 11 and give strip radiating block
13, so that strip radiating block 13 is cooled down heat, when radiator fan 12 works, can radiate to 1 inner cavity of shell, it is dust-proof
Net 2 protection backlight module will not can be influenced by extraneous dust always, when not in use, by radiator fan 12 and LED light
The power supply of plate 4 disconnects.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of backlight module, including shell (1), it is characterised in that：Shell (1) the appearance wall is provided with Air Filter (2), institute
It states Air Filter (2) to be detachably connected with the shell (1) appearance wall, brightness enhancement film (5), institute is provided in shell (1) vessel
It states brightness enhancement film (5) to be fixedly connected with the shell (1) internal chamber wall, diffusion sheet (3) is provided with below the brightness enhancement film (5), it is described
Diffusion sheet (3) is fixedly connected with brightness enhancement film (5) lower surface, and diffuser plate (10), the diffusion are provided with below the diffusion sheet (3)
Plate (10) is fixedly connected with the diffusion sheet (3) lower surface, and glue frame (9), the glue frame are provided with below the diffuser plate (10)
(9) it is fixedly connected with the diffuser plate (10) lower surface, LED lamp panel (4), the LED lamp panel is provided with below the glue frame (9)
(4) it is fixedly connected with the glue frame (9) lower surface, aluminum substrate (8), the aluminum substrate is provided with below the LED lamp panel (4)
(8) it is fixedly connected with the LED lamp panel (4) lower surface, bond plies (11) is provided with below the aluminum substrate (8), it is described
Bond plies (11) are fixedly connected with the aluminum substrate (8) lower surface, and strip is provided with below the bond plies (11)
Radiating block (13), the strip radiating block (13) are fixedly connected with the bond plies (11) lower surface, the strip heat dissipation
It is provided with backlight (7) below block (13), the backlight (7) is fixedly connected with strip radiating block (13) lower surface, institute
It states and is provided with pedestal (6) below shell (1), the pedestal (6) is fixedly connected with the shell (1) lower surface, the pedestal (6)
Vessel is offered, and is provided with radiator fan (12) in vessel, the radiator fan (12) is fixed with the pedestal (6) internal chamber wall
Connection, the radiator fan (12) and the LED lamp panel (4) are electrically connected with external power supply.
2. a kind of backlight module according to claim 1, it is characterised in that：The bond plies (11) and the strip
Radiating block (13) is fixedly connected by screw with the aluminum substrate (8), and the bond plies (11) and strip heat dissipation
There are five block (13) is provided with is respectively provided with altogether, and uniformly it is fixed on the aluminum substrate (8) lower surface.
3. a kind of backlight module according to claim 1, it is characterised in that：Radiator fan (12) lower surface is provided with
Discharge pipe, described discharge pipe one end are fixedly connected with the radiator fan (12), and the other end runs through the pedestal (6) lower wall, institute
It states radiator fan (12) upper surface and is provided with blast pipe, described blast pipe one end is fixedly connected with the radiator fan (12), separately
The pedestal (6) upper wall and the shell (1) lower wall are run through in one end.
4. a kind of backlight module according to claim 1, it is characterised in that：Shell (1) both sides offer heat dissipation
Window, and it is fixed with sponge plate at the radiator window.
5. a kind of backlight module according to claim 1, it is characterised in that：The backlight (7) is by the LED lamp panel
(4) lower end is all wrapped up, and with the LED lamp panel (4) at seal shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820200303.1U CN207731054U (en) | 2018-02-06 | 2018-02-06 | A kind of backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820200303.1U CN207731054U (en) | 2018-02-06 | 2018-02-06 | A kind of backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207731054U true CN207731054U (en) | 2018-08-14 |
Family
ID=63081325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820200303.1U Active CN207731054U (en) | 2018-02-06 | 2018-02-06 | A kind of backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207731054U (en) |
-
2018
- 2018-02-06 CN CN201820200303.1U patent/CN207731054U/en active Active
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