CN207895202U - A kind of backlight module - Google Patents
A kind of backlight module Download PDFInfo
- Publication number
- CN207895202U CN207895202U CN201721923513.5U CN201721923513U CN207895202U CN 207895202 U CN207895202 U CN 207895202U CN 201721923513 U CN201721923513 U CN 201721923513U CN 207895202 U CN207895202 U CN 207895202U
- Authority
- CN
- China
- Prior art keywords
- heat radiation
- radiation fin
- graphite heat
- backboard
- guide plate
- Prior art date
- 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
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 52
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 52
- 239000010439 graphite Substances 0.000 claims abstract description 52
- 230000005855 radiation Effects 0.000 claims abstract description 50
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 14
- 230000003287 optical effect Effects 0.000 claims abstract description 9
- 239000003292 glue Substances 0.000 claims 1
- 239000002390 adhesive tape Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012788 optical film Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Landscapes
- Planar Illumination Modules (AREA)
Abstract
The utility model discloses a kind of backlight modules, including backboard, the light guide plate being set on backboard, it is set to the light source of the side of the side incidence surface of light guide plate, graphite heat radiation fin, light source is installed on the bottom surface of graphite heat radiation fin, and a side pressure of graphite heat radiation fin is set in the ejection smooth surface of light guide plate, the other end of graphite heat radiation fin is detachably connected with backboard, the top surface of light guide plate is equipped with optical diaphragm, the top surface pressure of optical diaphragm is equipped with liquid crystal display panel, liquid crystal display panel is pressed by the framework being connect with backboard and is fixed, the side pressure towards graphite heat radiation fin of liquid crystal display panel is set to the top surface of graphite heat radiation fin, one end of graphite heat radiation fin, which is spaced apart, is equipped with multiple first through hole, stud bolt hole corresponding with the position of first through hole is offered in framework, graphite heat radiation fin is connect by screw bolt passes first through hole and stud bolt hole with framework.Graphite heat radiation fin intensity is good, is unlikely to deform, it is possible to prevente effectively from light leakage, lamp shadow.
Description
Technical field
The utility model is related to display technology field more particularly to a kind of backlight modules.
Background technology
Existing backlight module generally comprises backboard, light guide plate, heat sink and LED light bar, wherein light guide plate is set to
On backboard, heat sink is connect with backboard, and LED light bar is set to the side of light guide plate and is fixed on the top surface of heat sink, optical film
Piece is set on light guide plate, and liquid crystal display panel pressure is set on optical diaphragm.Normally, there are one between liquid crystal display panel and light guide plate
Plastic frame comes excessively, and still, the structure of this backlight module is more complicated, and processing cost is higher.
Utility model content
In view of problem above, the purpose of this utility model is that purpose is to propose a kind of backlight module, uses graphite heat radiation fin
Light guide plate is pushed down, plastic frame is saved, meanwhile, graphite heat radiation fin intensity is good, is unlikely to deform, it is possible to prevente effectively from light leakage, lamp shadow.
To achieve the goals above, the utility model uses following technical scheme:
A kind of backlight module, including backboard, the light guide plate that is set on the backboard and the side for being set to the light guide plate
The light source of the side of incidence surface;It is characterized in that, further including graphite heat radiation fin, the light source is installed on the graphite heat radiation fin
Bottom surface, and a side pressure of the graphite heat radiation fin be set to the light guide plate ejection smooth surface on, the graphite heat radiation fin it is another
End is detachably connected with the backboard, and the top surface of the light guide plate is equipped with optical diaphragm, and the top surface of the optical diaphragm is pressed
Equipped with liquid crystal display panel, the liquid crystal display panel is pressed by the framework being connect with the backboard and is fixed, the direction of the liquid crystal display panel
One side pressure of the graphite heat radiation fin is set to the top surface of the graphite heat radiation fin, and described one end of the graphite heat radiation fin is spaced apart
Equipped with multiple first through hole, stud bolt hole corresponding with the position of the first through hole is offered in the framework, the graphite dissipates
Backing is connect by first through hole described in the first screw bolt passes and the stud bolt hole with the framework.
Preferably, the light source includes multiple spaced LED light, and the LED light is installed on the graphite heat radiation fin
On.
Preferably, the top surface of the backboard is equipped with groove, and the edge of the opening of the groove extends outward to form flange, institute
It states light guide plate and the LED light may be contained in the groove, the other end of the graphite heat radiation fin and the flange are detachable
Connection.
Preferably, the edge of the bottom surface of the light guide plate is Nian Jie with the backboard by double faced adhesive tape.
Preferably, the other end of the graphite heat radiation fin, which is spaced apart, is equipped with multiple second through-holes, is offered on the backboard
Stud bolt hole corresponding with the position of the second through-hole, the graphite heat radiation fin are logical by described in the second screw bolt passes second
Hole and the stud bolt hole are connect with the backboard.
Compared with prior art, the utility model has the following advantages and beneficial effect:Leaded light is pushed down with graphite heat radiation fin
Plate saves plastic frame, meanwhile, graphite heat radiation fin intensity is good, is unlikely to deform, it is possible to prevente effectively from light leakage, lamp shadow.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of backlight module of the utility model.
Specific implementation mode
Below with reference to the accompanying drawings, the utility model is described in more detail, in order to which the utility model is more clear
It Chu and should be readily appreciated that.Those skilled in the art will recognize, in the spirit and scope without departing from the utility model
In the case of, described embodiment can be modified with a variety of different modes or combinations thereof.Therefore, attached drawing and description exist
Substantially it is illustrative, is not intended to limit the scope of the claims.In addition, in the present specification, attached drawing is not pressed
Ratio is drawn, and identical reference numeral indicates identical part.
The embodiments of the present invention are described in detail with reference to Fig. 1.
As shown in Figure 1, a kind of backlight module, including backboard 1, the light guide plate 2 that is set on backboard 1 and it is set to leaded light
The light source 4 of the side of the side incidence surface of plate 2;Further include graphite heat radiation fin 3, light source is installed on the bottom surface of graphite heat radiation fin 3, and stone
One side pressure of black cooling fin 3 is set in the ejection smooth surface of light guide plate 2, and the other end and the backboard 1 of graphite heat radiation fin 3 detachably connect
It connects.
The top surface of light guide plate 2 is equipped with optical diaphragm 5, and the top surface pressure of optical diaphragm 5 is equipped with liquid crystal display panel 6, and liquid crystal display panel 6 is logical
The pressure holding of framework 7 connecting with backboard 1 is crossed to fix;The side pressure towards graphite heat radiation fin 3 of liquid crystal display panel 6 is set to graphite heat radiation fin
3 top surface avoids light leakage so as to effectively prevent the end of graphite heat radiation fin 3 to tilt.Graphite heat radiation fin 3 it is described
One end, which is spaced apart, is equipped with multiple first through hole, and stud bolt hole corresponding with the position of the first through hole, stone are offered in framework 7
Black cooling fin 3 sequentially passes through first through hole and stud bolt hole by the first bolt 11 and is connect with framework 7.
The utility model proposes a kind of backlight module graphite radiating is directly used using the design of 3 upside-down mounting of graphite heat radiation fin
Piece 3 pushes down light guide plate 2, saves plastic frame, meanwhile, the intensity of graphite heat radiation fin 3 is good, is unlikely to deform, it is possible to prevente effectively from leakage
Light, lamp shadow.In addition, connecting graphite heat radiation fin 3 with framework 7 using the first bolt, installation strength can be increased.
Light source includes multiple spaced LED light 4 as a further improvement of the utility model, and LED lamps 4 are installed on
On graphite heat radiation fin 3.
The top surface of backboard 1 is equipped with groove 111, the edge of the opening of groove 111 as a further improvement of the utility model,
Extend outward to form flange 112, light guide plate 2 and LED light 4 may be contained in groove 111, the other end of graphite heat radiation fin 3 with turn over
Side 112 is detachably connected, to further increase the utilization rate of light source;Wherein, reflecting piece 8 is equipped between light guide plate 2 and backboard 1,
The edge of the bottom surface of light guide plate 2 is Nian Jie with backboard 1 by double faced adhesive tape, to enable light guide plate 2 to be firmly fixed at groove 111
It is interior.
The other end of graphite heat radiation fin 3, which is spaced apart, as a further improvement of the utility model, is equipped with multiple through-holes, backboard
Stud bolt hole corresponding with the position of through-hole is offered on 1, graphite heat radiation fin 3 sequentially passes through through-hole and spiral shell by the second bolt 12
Post holes is connect with backboard 1.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of backlight module, including backboard (1), the light guide plate (2) that is set on backboard (1) and it is set to light guide plate (2)
The light source of the side of side incidence surface;It is characterized in that,
Further include graphite heat radiation fin (3), light source is installed on the bottom surface of graphite heat radiation fin (3), and a side pressure of graphite heat radiation fin (3)
In the ejection smooth surface of light guide plate (2), the other end and the backboard (1) of graphite heat radiation fin (3) are detachably connected, and
The top surface of light guide plate (2) is equipped with optical diaphragm (5), and the top surface pressure of optical diaphragm (5) is equipped with liquid crystal display panel (6), liquid crystal surface
Plate (6) is pressed by the framework (7) being connect with backboard (1) and is fixed, one end towards graphite heat radiation fin (3) of liquid crystal display panel (6)
For pressure set on the top surface of graphite heat radiation fin (3), described one end of graphite heat radiation fin (3), which is spaced apart, is equipped with multiple first through hole, framework
(7) stud bolt hole corresponding with the position of first through hole is offered on, graphite heat radiation fin (3) is sequentially passed through by the first bolt (11)
First through hole and stud bolt hole are connect with framework (7).
2. backlight module according to claim 1, which is characterized in that light source includes multiple spaced LED light (4),
LED light (4) is installed on graphite heat radiation fin (3).
3. a kind of backlight module according to claim 2, which is characterized in that the top surface of backboard (1) is equipped with groove (111),
The edge of the opening of groove (111) extends outward to form flange (112), and light guide plate (2) and LED light (4) may be contained within groove
(111) in, the other end and the flange (112) of graphite heat radiation fin (3) are detachably connected.
4. a kind of backlight module according to claim 1, which is characterized in that the edge of the bottom surface of light guide plate (2) passes through double
Face glue is Nian Jie with backboard (1).
5. a kind of backlight module according to claim 1, which is characterized in that the other end of graphite heat radiation fin (3) is spaced apart
Equipped with multiple second through-holes, stud bolt hole corresponding with the position of the second through-hole is offered on backboard (1), graphite heat radiation fin (3) is logical
It crosses the second bolt (12) and sequentially passes through the second through-hole and stud bolt hole and connect with backboard (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721923513.5U CN207895202U (en) | 2017-12-29 | 2017-12-29 | A kind of backlight module |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721923513.5U CN207895202U (en) | 2017-12-29 | 2017-12-29 | A kind of backlight module |
Publications (1)
Publication Number | Publication Date |
---|---|
CN207895202U true CN207895202U (en) | 2018-09-21 |
Family
ID=63550967
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201721923513.5U Expired - Fee Related CN207895202U (en) | 2017-12-29 | 2017-12-29 | A kind of backlight module |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN207895202U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108459434A (en) * | 2017-12-29 | 2018-08-28 | 重庆市中光电显示技术有限公司 | A kind of backlight module |
-
2017
- 2017-12-29 CN CN201721923513.5U patent/CN207895202U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108459434A (en) * | 2017-12-29 | 2018-08-28 | 重庆市中光电显示技术有限公司 | A kind of backlight module |
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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 |
Granted publication date: 20180921 |
|
CF01 | Termination of patent right due to non-payment of annual fee |