CN107544179A - Liquid crystal display and its backlight module - Google Patents
Liquid crystal display and its backlight module Download PDFInfo
- Publication number
- CN107544179A CN107544179A CN201710802329.3A CN201710802329A CN107544179A CN 107544179 A CN107544179 A CN 107544179A CN 201710802329 A CN201710802329 A CN 201710802329A CN 107544179 A CN107544179 A CN 107544179A
- Authority
- CN
- China
- Prior art keywords
- pcb board
- radiating piece
- backlight module
- backlight
- radiating
- 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.)
- Pending
Links
Abstract
The present invention provides a kind of backlight module, the backlight module includes backlight and the first radiating piece, the backlight includes pcb board and the LED array located at the pcb board surface, the LED array includes the multiple LED set along linear array, the surface that first radiating piece is close to the pcb board is set, and first radiating piece is located at the same side of the pcb board with the LED array.The surface that the first radiating piece in backlight module of the present invention is close to the pcb board is set, and first radiating piece is located at the same side of the pcb board with the LED array.It by the way that the first radiating piece directly to be close to set with the surface of pcb board, on the one hand effectively can prevent pcb board from deforming, on the other hand can lift the radiating efficiency of backlight, extend the service life of backlight module.
Description
Technical field
The present invention relates to field of liquid crystal, more particularly to a kind of liquid crystal display and its backlight module.
Background technology
With the popularization of liquid crystal display outward appearance ultrathin design and HDR indexs, the power of the backlight module of liquid crystal display
More and more higher, the heat dissipation problem of backlight module are increasingly becoming the obstacle of liquid crystal display thinning and high standard development, only found
It is effective to solve improving countermeasure, available liquid crystal display specification bottleneck can be broken through.
The backlight of backlight module generally includes pcb board, LED light bar, and LED light bar is welded on conductive layer/layers of copper of pcb board
On, the opposite side of pcb board is fixedly connected by adhesive linkage/dielectric layer with heat radiation structure outside.For the backlight of backlight module
Heat dissipation problem, traditional radiating mode is is conducting by the path heat at the PCB back sides to heat radiation structure outside, heat
During can first pass through conductive layer/layers of copper, then by adhesive linkage/dielectric layer, then be delivered to heat radiation structure outside, so, its
Thermal resistance is higher, and radiating efficiency is relatively low.Moreover, using segmentation screwed lock between pcb board and radiator structure in traditional radiating mode
Attached mode is fixed, and because of pcb board unbalance stress during actual assembled, the phenomenon that pcb board floats can often occur.
The content of the invention
In order to solve the deficiencies in the prior art, the present invention provides a kind of liquid crystal display and its backlight module, can prevented
Pcb board deform, lifted backlight radiating efficiency, extend backlight module service life.
Concrete technical scheme proposed by the present invention is：A kind of backlight module is provided, the backlight module include backlight and
First radiating piece, the backlight include pcb board and the LED array located at the pcb board surface, and the LED array includes edge
Linear array set multiple LED, first radiating piece be close to the pcb board surface set, first radiating piece with
The LED array is located at the same side of the pcb board.
Further, the backlight module also includes the second radiating piece, and second radiating piece includes vertical component effect, described
Pcb board is folded between the vertical component effect and first radiating piece.
Further, second radiating piece also includes the horizontal part extended by vertical component effect bending, the level
Portion is located at the bottom of first radiating piece.
Further, the backlight module also includes the light guide plate being oppositely arranged with the LED array, the light guide plate position
In the top of first radiating piece.
Further, the mode that first radiating piece, the horizontal part are connected through a screw thread is attached.
Further, the backlight module is also included located at the heat-conducting piece between the vertical component effect and the pcb board.
Further, the vertical component effect, the heat-conducting piece, the pcb board, first radiating piece are connected through a screw thread
Mode is attached.
Present invention also offers a kind of liquid crystal display, the liquid crystal display includes backlight module as described above.
Liquid crystal display and its backlight module proposed by the present invention, the backlight module include backlight and the first radiating
Part, the backlight include pcb board and the LED array located at the pcb board surface, and the LED array is included along linear array
The multiple LED set, the surface that first radiating piece is close to the pcb board are set, first radiating piece and the LED battle arrays
Row are positioned at the same side of the pcb board., on the one hand can be with by the way that the first radiating piece directly to be close to set with the surface of pcb board
Effectively prevent pcb board from deforming, on the other hand can lift the radiating efficiency of backlight, extend the use longevity of backlight module
Life.
Brief description of the drawings
Below in conjunction with the accompanying drawings, by the way that the embodiment of the present invention is described in detail, technical scheme will be made
And other beneficial effects are apparent.
Fig. 1 is the structural representation of backlight module；
Fig. 2 is the structural representation of liquid crystal display.
Embodiment
Hereinafter, with reference to the accompanying drawings to embodiments of the invention are described in detail.However, it is possible to come in many different forms real
Apply the present invention, and the specific embodiment of the invention that should not be construed as limited to illustrate here.Conversely, there is provided these implementations
Example is in order to explain the principle and its practical application of the present invention, so that others skilled in the art are it will be appreciated that the present invention
Various embodiments and be suitable for the various modifications of specific intended application.In the accompanying drawings, identical label will be used for table all the time
Show identical element.
Reference picture 1, the backlight module 10 in the present embodiment include the radiating piece 2 of backlight 1 and first, and backlight 1 includes PCB
Plate 11 and the LED array 12 located at the surface of pcb board 11, LED array 12 are strip, and it is included along the multiple of linear array setting
LED.The surface that first radiating piece 2 is close to pcb board 11 is set, and the first radiating piece 2 is located at the same of pcb board 11 with LED array 12
Side.
The material of first radiating piece 2 is aluminium alloy, and it is made up of integral extrusion forming process, therefore, its structural rigidity
Very strong, on the one hand the present embodiment can lift the radiating of backlight 1 by the way that the first radiating piece 2 to be directly arranged in the surface of pcb board
Efficiency, the service life for extending backlight module 10, on the other hand can pass through the first radiating piece 2 in the assembling process of pcb board
The surface of pcb board is connected to, prevents it from deforming upon and arching upward, so as to improve the illumination effect of backlight 1.
Backlight module 10 in the present embodiment also includes the second radiating piece 3, and the second radiating piece 3 includes vertical component effect 3a, pcb board
1 is folded between vertical component effect 3a and the first radiating piece 2.Can be to the another of pcb board 11 by the vertical component effect 3a of the second radiating piece 3
Face carries out heat conduction, so as to further lift the radiating efficiency of backlight 1.
Second radiating piece 3 also includes the horizontal part 3b extended by vertical component effect 3a bendings, and horizontal part 3b is positioned at the first radiating
The bottom of part 2.Heat conduction can be carried out to the another face of pcb board 11 by the horizontal part 3b of the second radiating piece 3, and can also be to the
One radiating piece 2 carries out heat conduction, the further radiating efficiency for lifting backlight 1, in addition, the material of the second radiating piece 3 is also
Aluminium alloy, because the hardness of aluminium alloy is bigger, therefore, horizontal part 3b is also used as the backboard of whole backlight module 10, from
And the structure of backlight module 10 is simplified, the weight of backlight module 10 is alleviated, reduces the cost of backlight module 10.
Backlight module 10 also includes the light guide plate 4 being oppositely arranged with LED array 12, and light guide plate 4 is located at the first radiating piece 2
Top.The light that LED array 12 is sent enters in light guide plate 4 from the incidence surface of light guide plate 4, is then carried out in light guide plate 4 multiple
It is emitted after reflection from the exiting surface of light guide plate 4, the backlight 1 in the present embodiment is side-edge type backlight, and backlight 1 is positioned at leaded light
The side of plate 4, the side of light guide plate 4 is its incidence surface, and the top surface of light guide plate 4 is its exiting surface.
The bottom of first radiating piece 2 is provided with positioning hole 41, and positioning hole 41 is through the first radiating piece 2 and is connected to horizontal part 3b's
Surface.Horizontal part 3b is provided with corresponding screwed hole, and screw is threadedly coupled after passing through positioning hole 41 with screwed hole, so that will
First radiating piece 2, horizontal part 3b are fixed.
Likewise, backlight module 10 is also included located at the heat-conducting piece 5 between vertical component effect 3a and pcb board 11.Vertical component effect 3a, lead
Warmware 5, pcb board 11, corresponding screwed hole is designed with the first radiating piece 2, vertical component effect 3a, heat-conducting piece 5, pcb board 11, first dissipate
Warmware 2 is fixed by the threaded connection of screw and screwed hole.Heat-conducting piece 5 in the present embodiment is heat-conducting glue band, one side
On the other hand pcb board 11 can be fixed on vertical component effect 3a by face by the heat derives of pcb board 11 to the second radiating piece 3
On, further improve the stability of whole backlight module 10.
Reference picture 2, the present embodiment additionally provide a kind of liquid crystal display, and it includes backlight module 10 as described above and set
In the display module 20 on backlight module 10 and the housing 30 for fixing backlight module 10 and display module 20, wherein, show
Show the display module common for technical field of liquid crystal display of module 20, repeat no more here.
Described above is only the embodiment of the application, it is noted that for the ordinary skill people of the art
For member, on the premise of the application principle is not departed from, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as the protection domain of the application.
Claims (8)
1. a kind of backlight module, it is characterised in that including backlight and the first radiating piece, the backlight includes pcb board and set
LED array in the pcb board surface, the LED array include the multiple LED set along linear array, first radiating
The surface that part is close to the pcb board is set, and first radiating piece is located at the same side of the pcb board with the LED array.
2. backlight module according to claim 1, it is characterised in that also including the second radiating piece, second radiating piece
Including vertical component effect, the pcb board is folded between the vertical component effect and first radiating piece.
3. backlight module according to claim 2, it is characterised in that second radiating piece also includes by the vertical component effect
The horizontal part extended is bent, the horizontal position is in the bottom of first radiating piece.
4. backlight module according to claim 3, it is characterised in that also include leading with what the LED array was oppositely arranged
Tabula rasa, the light guide plate are located at the top of first radiating piece.
5. backlight module according to claim 4, it is characterised in that first radiating piece, the horizontal part pass through spiral shell
The mode of line connection is attached.
6. backlight module according to claim 2, it is characterised in that also include located at the vertical component effect and the pcb board
Between heat-conducting piece.
7. backlight module according to claim 6, it is characterised in that the vertical component effect, the heat-conducting piece, the pcb board,
The mode that first radiating piece is connected through a screw thread is attached.
8. a kind of liquid crystal display, it is characterised in that including the backlight module as described in claim any one of 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710802329.3A CN107544179A (en) | 2017-09-07 | 2017-09-07 | Liquid crystal display and its backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710802329.3A CN107544179A (en) | 2017-09-07 | 2017-09-07 | Liquid crystal display and its backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107544179A true CN107544179A (en) | 2018-01-05 |
Family
ID=60958621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710802329.3A Pending CN107544179A (en) | 2017-09-07 | 2017-09-07 | Liquid crystal display and its backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107544179A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201237679Y (en) * | 2008-07-18 | 2009-05-13 | 天马微电子股份有限公司 | LCD model with LED backlight |
| KR20110099449A (en) * | 2010-03-02 | 2011-09-08 | (주)명진인터테크 | Light emitting diode backlight device |
| US20140071374A1 (en) * | 2012-09-11 | 2014-03-13 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Liquid Crystal Display Device |
| CN107037631A (en) * | 2016-12-02 | 2017-08-11 | 深圳市华星光电技术有限公司 | Liquid crystal display and its backlight module |
-
2017
- 2017-09-07 CN CN201710802329.3A patent/CN107544179A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201237679Y (en) * | 2008-07-18 | 2009-05-13 | 天马微电子股份有限公司 | LCD model with LED backlight |
| KR20110099449A (en) * | 2010-03-02 | 2011-09-08 | (주)명진인터테크 | Light emitting diode backlight device |
| US20140071374A1 (en) * | 2012-09-11 | 2014-03-13 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Liquid Crystal Display Device |
| CN107037631A (en) * | 2016-12-02 | 2017-08-11 | 深圳市华星光电技术有限公司 | Liquid crystal display and its backlight module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101949526B (en) | Side-entering type backlight module and back-plate heat radiating structure thereof | |
| CN202082747U (en) | Display device and backlight module | |
| US10824007B2 (en) | Light bar, backlight module and liquid crystal display | |
| CN102679275B (en) | Heat-dissipation aluminium extruding structure and corresponding backlight module | |
| CN107102479A (en) | Backlight module and display device | |
| US20110156061A1 (en) | Light emission module with high-efficiency light emission and high-efficiency heat dissipation and applications thereof | |
| CN202048457U (en) | LED backlight module with squeeze type cover | |
| CN106154646A (en) | A kind of lamp plate, backlight module and liquid crystal indicator | |
| CN101922648A (en) | Backlight module | |
| EP3904952A1 (en) | Direct-type backlight module and display | |
| US20140043855A1 (en) | Backlight assembly and display apparatus having the same | |
| CN104913243A (en) | Backlight module | |
| CN102798044A (en) | Edge-lighting backlight module | |
| CN103104868A (en) | Light emitting diode (LED) backlight unit and electronic device | |
| CN202677012U (en) | Light-emitting diode (LED) liquid crystal display (LCD) module with super-narrow frame and LCD television thereof | |
| CN104373914B (en) | A kind of lamp bar radiator structure, backlight module and display device | |
| CN207096639U (en) | A kind of backlight module | |
| CN104062806B (en) | Backlight component and liquid crystal display thereof | |
| CN107544179A (en) | Liquid crystal display and its backlight module | |
| CN108181761A (en) | Display and its backlight module | |
| CN107290898B (en) | Backlight assembly | |
| CN206741164U (en) | A kind of backlight and liquid crystal display die set | |
| CN207849013U (en) | A kind of backlight module | |
| US20110156060A1 (en) | Light emission module with high-efficiency light emission and high-efficiency heat dissipation and applications thereof | |
| US20110157868A1 (en) | Light emission module with high-efficiency light emission and high-efficiency heat dissipation and applications thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180105 |