CN209842293U - Direct type backlight module and display device - Google Patents
Direct type backlight module and display device Download PDFInfo
- Publication number
- CN209842293U CN209842293U CN201920973414.0U CN201920973414U CN209842293U CN 209842293 U CN209842293 U CN 209842293U CN 201920973414 U CN201920973414 U CN 201920973414U CN 209842293 U CN209842293 U CN 209842293U
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- CN
- China
- Prior art keywords
- circuit substrate
- shell
- led lamp
- lamp strip
- display device
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Liquid Crystal (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model discloses a straight following formula backlight unit and display device, including shell and circuit substrate, shell inner chamber is provided with circuit substrate, and circuit substrate passes through the support and links to each other with the shell inner wall, circuit substrate one side fixed surface is provided with LED lamp strip, LED lamp strip one side is provided with the reflector plate, shell one side fixed surface is provided with the optics diaphragm, optics diaphragm one side fixed surface is provided with the diffuser plate, diffuser plate one side is provided with liquid crystal display panel. The utility model discloses a radiating fin and first dustproof window can effectually cool down the temperature on circuit substrate and LED lamp strip surface, through fan and nozzle, can effectually inhale external wind to can blow away the heat on the LED lamp strip again, reach the effect of cooling, give sound insulation to the box simultaneously, can reduce the noise when fan operation again, improved service environment's comfort level, be fit for being extensively promoted and used.
Description
Technical Field
The utility model relates to a display device, in particular to straight following formula backlight unit and display device.
Background
At present, flat panel display devices such as liquid crystal displays mainly use a backlight module to provide a backlight source required by the display panel to display images. The existing backlight modules are classified into direct type backlight modules and edge type backlight modules according to the arrangement positions of light sources such as light emitting diode elements.
Traditional backlight unit is in the use, because LED lamp strip can give out the heat in the use, if can not carry out effectual cooling to it, makes LED lamp strip can be heated the thermal expansion easily to influence the stability of backlight, and then influence the liquid crystal display quality.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a straight following formula backlight unit and display device, through radiating fin and first dustproof window, can effectually cool down the temperature on circuit substrate and LED lamp strip surface, through fan and nozzle, can effectually inhale external wind to can blow away the heat on the LED lamp strip again, reach the effect of cooling, give sound insulation the box simultaneously, noise when again can reducing the fan operation has improved service environment's comfort level, can effectively solve the problem in the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a straight following formula backlight unit and display device, includes shell and circuit substrate, the shell inner chamber is provided with circuit substrate, and circuit substrate passes through the support and links to each other with the shell inner wall, circuit substrate one side fixed surface is provided with LED lamp strip, LED lamp strip one side is provided with the reflector plate, shell one side fixed surface is provided with the optics diaphragm, optics diaphragm one side fixed surface is provided with the diffuser plate, diffuser plate one side is provided with liquid crystal display panel, circuit substrate opposite side fixed surface is provided with radiating fin, shell inner wall one side fixed surface is provided with the sound insulation box, the sound insulation box inner chamber is provided with the fan, LED lamp strip opposite side is provided with the nozzle, and the nozzle passes through the pipeline and links to each.
Further, the reflecting sheet, the optical film and the diffusion plate are connected with the inner wall of the shell through a support.
Furthermore, a first dustproof window is formed in the surface of the outer wall of the shell.
Further, an output port is arranged on one side of the bottom of the outer wall surface of the shell, a second dustproof window is arranged on one side of the top of the output port, and the second dustproof window is connected with the sound insulation box.
Furthermore, the circuit substrate is electrically connected with the LED lamp strip, the liquid crystal panel and the fan respectively through wires.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. through the shell, can effectually provide stable structure basis for straight following formula backlight unit and display device, through circuit substrate, can the operation of effectual control LED lamp strip for LED lamp strip can provide the light source, and LED lamp strip can shine the light source to the reflector plate again.
2. Through reflector plate and optical film piece, can effectually carry out a lot of to the light source that receives and filter, then through the diffuser plate, can effectually spread the light after filtering to liquid crystal display panel, and then show the picture on liquid crystal display panel.
3. Through radiating fin, can effectually cool down the temperature on circuit substrate surface to can discharge the heat that LED lamp strip studio gave out again from first dustproof window, and inside first dustproof window can prevent again that external dust from entering into the shell.
4. Through the fan, can effectually inhale from the dustproof window of second with external wind to in pipeline transport to nozzle, through the nozzle, further heat to on the LED lamp strip blows away, reaches the effect of cooling, and the box that gives sound insulation simultaneously can reduce the noise when fan operation again, has improved service environment's comfort level, through output port, can effectual external controlgear.
Drawings
Fig. 1 is a schematic view of the overall structure of a direct-type backlight module and a display device of the present invention.
Fig. 2 is a schematic view of an internal overlooking structure of a direct-type backlight module and a display device of the present invention.
In the figure: 1. a housing; 2. a circuit substrate; 3. an LED light bar; 4. a reflective sheet; 5. an optical film; 6. a diffusion plate; 7. a liquid crystal panel; 8. a heat dissipating fin; 9. a first dust-proof window; 10. a sound insulation box; 11. a fan; 12. a nozzle; 13. an output port; 14. and a second dustproof window.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1-2, a direct type backlight module and a display device thereof comprises a housing 1 and a circuit substrate 2, wherein the circuit substrate 2 is disposed in an inner cavity of the housing 1, the circuit substrate 2 is connected with the inner wall of the shell 1 through a bracket, an LED lamp strip 3 is fixedly arranged on the surface of one side of the circuit substrate 2, a reflector 4 is arranged on one side of the LED lamp strip 3, an optical diaphragm 5 is fixedly arranged on the surface of one side of the shell 1, a diffusion plate 6 is fixedly arranged on the surface of one side of the optical membrane 5, a liquid crystal panel 7 is arranged on one side of the diffusion plate 6, the other side surface of the circuit substrate 2 is fixedly provided with a radiating fin 8, one side surface of the inner wall of the shell 1 is fixedly provided with a sound insulation box 10, the sound insulation box 10 is provided with a fan 11 in the inner cavity, a nozzle 12 is arranged on the other side of the LED lamp strip 3, and the nozzle 12 is connected with the inside of the sound insulation box 10 through a pipeline.
As shown in fig. 1 and 2, in this embodiment, through radiating fin 8 and first dustproof window 9, can effectually cool down the temperature on circuit substrate 2 and the surface of LED lamp strip 3, through fan 11 and nozzle 12, can effectually inhale external wind to can blow away the heat on LED lamp strip 3 again, reach the effect of cooling, give sound insulation box 10 simultaneously, noise when can reducing fan 11 operation again has improved service environment's comfort level.
Wherein, the reflecting sheet 4, the optical diaphragm 5 and the diffusion plate 6 are all connected with the inner wall of the shell 1 through a bracket.
In this embodiment, as shown in fig. 2, the stability of the reflection sheet 4, the optical film 5 and the diffusion plate 6 can be effectively improved.
Wherein, the outer wall surface of the shell 1 is provided with a first dustproof window 9.
In this embodiment, as shown in fig. 1, the first dust-proof window 9 can prevent external dust from entering the inside of the housing 1.
Wherein, the outer wall surface bottom one side of shell 1 is provided with output port 13, output port 13 top one side is provided with second dustproof window 14, and second dustproof window 14 links to each other with sound-proof box 10.
In this embodiment, as shown in fig. 1, the control device can be effectively connected to the outside through the output port 13, and the external air can be effectively filtered and enter the sound insulation box 10 through the second dustproof window 14.
The circuit substrate 2 is electrically connected with the LED lamp strip 3, the liquid crystal panel 7 and the fan 11 through wires respectively.
It should be noted that, the present invention is a direct type backlight module and a display device, when in operation, a stable structure foundation can be effectively provided for the direct type backlight module and the display device through the housing 1, the operation of the LED light bar 3 can be effectively controlled through the circuit substrate 2, so that the LED light bar 3 can provide a light source, and the LED light bar 3 can irradiate the light source to the reflector 4, the received light source can be effectively filtered for many times through the reflector 4 and the optical membrane 5, then the filtered light can be effectively diffused to the liquid crystal panel 7 through the diffuser 6, so as to display a picture on the liquid crystal panel 7, the temperature on the surface of the circuit substrate 2 can be effectively reduced through the heat dissipation fins 8, and the heat emitted from the working chamber of the LED light bar 3 can be discharged from the first dust-proof window 9, and the first dust-proof window 9 can prevent the external dust from entering the housing 1, through fan 11, can effectually inhale from second dustproof window 14 with external wind to in through pipe-line transportation to nozzle 12, through nozzle 12, further blow away the heat on LED lamp strip 3, reach the effect of cooling, box 10 gives sound insulation simultaneously, can reduce the noise when fan 11 moves again, has improved service environment's comfort level, through output port 13, can effectual external controlgear.
The utility model relates to a straight following formula backlight unit and display device, including shell 1, circuit substrate 2, LED lamp strip 3, reflector plate 4, optical film 5, diffuser plate 6, liquid crystal display panel 7, radiating fin 8, first dustproof window 9, sound-proof box 10, fan 11, nozzle 12, output port 13 and second dustproof window 14, the part is the general standard or the part that technical staff in the field knows, and its structure and principle all can learn through the technical manual or learn through conventional experimental method for this technical staff.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a straight following formula backlight unit and display device, includes shell (1) and circuit substrate (2), shell (1) inner chamber is provided with circuit substrate (2), and circuit substrate (2) link to each other its characterized in that through support and shell (1) inner wall: circuit substrate (2) one side fixed surface is provided with LED lamp strip (3), LED lamp strip (3) one side is provided with reflector plate (4), shell (1) one side fixed surface is provided with optical diaphragm (5), optical diaphragm (5) one side fixed surface is provided with diffuser plate (6), diffuser plate (6) one side is provided with liquid crystal display panel (7), circuit substrate (2) another side fixed surface is provided with radiating fin (8), shell (1) inner wall one side fixed surface is provided with sound insulation box (10), sound insulation box (10) inner chamber is provided with fan (11), LED lamp strip (3) opposite side is provided with nozzle (12), and nozzle (12) through the pipeline with sound insulation box (10) inside link to each other.
2. The direct-type backlight module and the display device as claimed in claim 1, wherein: the reflector plate (4), the optical diaphragm (5) and the diffusion plate (6) are connected with the inner wall of the shell (1) through a support.
3. The direct-type backlight module and the display device as claimed in claim 1, wherein: the outer wall surface of the shell (1) is provided with a first dustproof window (9).
4. The direct-type backlight module and the display device as claimed in claim 1, wherein: an output port (13) is arranged on one side of the bottom of the outer wall surface of the shell (1), a second dustproof window (14) is arranged on one side of the top of the output port (13), and the second dustproof window (14) is connected with the sound insulation box (10).
5. The direct-type backlight module and the display device as claimed in claim 1, wherein: the circuit substrate (2) is electrically connected with the LED lamp bar (3), the liquid crystal panel (7) and the fan (11) through wires respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920973414.0U CN209842293U (en) | 2019-06-26 | 2019-06-26 | Direct type backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920973414.0U CN209842293U (en) | 2019-06-26 | 2019-06-26 | Direct type backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209842293U true CN209842293U (en) | 2019-12-24 |
Family
ID=68899069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920973414.0U Expired - Fee Related CN209842293U (en) | 2019-06-26 | 2019-06-26 | Direct type backlight module and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209842293U (en) |
-
2019
- 2019-06-26 CN CN201920973414.0U patent/CN209842293U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191224 Termination date: 20200626 |