CN207895202U - A kind of backlight module - Google Patents

A kind of backlight module Download PDF

Info

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
Application number
CN201721923513.5U
Other languages
Chinese (zh)
Inventor
李军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Photoelectric Display Technology Co Ltd
Original Assignee
Chongqing Photoelectric Display Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chongqing Photoelectric Display Technology Co Ltd filed Critical Chongqing Photoelectric Display Technology Co Ltd
Priority to CN201721923513.5U priority Critical patent/CN207895202U/en
Application granted granted Critical
Publication of CN207895202U publication Critical patent/CN207895202U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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

A kind of backlight module
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).
CN201721923513.5U 2017-12-29 2017-12-29 A kind of backlight module Expired - Fee Related CN207895202U (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN202082747U (en) Display device and backlight module
CN101949526B (en) Side-entering type backlight module and back-plate heat radiating structure thereof
CN104566023A (en) Backlight module and display
CN102620204A (en) Backlight module and liquid crystal display device comprising same
US9244299B2 (en) Backlight module of display device
CN107102479A (en) Backlight module and display device
CN201401697Y (en) Side light type backlight module
US20140071374A1 (en) Liquid Crystal Display Device
CN203298104U (en) Backlight source and liquid crystal display device
CN206546483U (en) A kind of side-entering type backlight module
CN207895202U (en) A kind of backlight module
CN106597745A (en) Backlight source used for liquid crystal television
CN207895201U (en) A kind of backlight module
CN105511163A (en) Backlight module and display screen
CN108594521B (en) Backlight module and liquid crystal display device
US20140103176A1 (en) Backplane
CN209911714U (en) Direct type backlight source
CN108037616A (en) A kind of backlight module
CN108459434A (en) A kind of backlight module
WO2014059701A1 (en) Backlight module and liquid crystal display device
CN208737158U (en) Liquid crystal display
CN208672962U (en) A kind of liquid crystal display with supporting structure
CN208806019U (en) A kind of display equipment
CN207148482U (en) A kind of LED backlight
CN207424453U (en) A kind of vehicle-mounted backlights of straight-down negative LED

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