CN103471042A - Backlight module - Google Patents
Backlight module Download PDFInfo
- Publication number
- CN103471042A CN103471042A CN2013104207393A CN201310420739A CN103471042A CN 103471042 A CN103471042 A CN 103471042A CN 2013104207393 A CN2013104207393 A CN 2013104207393A CN 201310420739 A CN201310420739 A CN 201310420739A CN 103471042 A CN103471042 A CN 103471042A
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- CN
- China
- Prior art keywords
- light
- heat sink
- backlight module
- lgp
- base plate
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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.)
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Links
- 230000000694 effects Effects 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- 239000002390 adhesive tape Substances 0.000 claims description 5
- 230000005855 radiation Effects 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000000758 substrate Substances 0.000 abstract 1
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention relates to a backlight module which comprises a back panel, a radiating plate and a light guiding plate. A reflecting plate is arranged between the radiating plate and the light guiding plate, and a light-emitting strip is arranged on at least one side of the light guiding plate. The light-emitting strip comprises a substrate and a light-emitting component. The radiating plate comprises a base plate and a lateral plate, a plurality of supporting columns are arranged on the base plate, at least one supporting column is arranged right below the light-emitting component of the light-emitting strip, and the reflecting plate is arranged on the supporting columns. The thickness of the light guiding plate can be reduced, and the backlight module can improve a radiating effect.
Description
Technical field
The present invention relates to technical field of liquid crystal display, relate in particular to a kind of backlight module.
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Background technology
The advantages such as along with growth in the living standard, electronic product is progressively come into huge numbers of families, and wherein liquid crystal indicator (Liquid Crystal Display, LCD), power saving light, thin with it and radiation be low become the focus of people's research.Because liquid crystal indicator itself is not luminous, thereby need backlight module to provide light source to show image.According to the position of light source, backlight module can be divided into two classes, is respectively Staight downward type backlight module and side entrance back module.
Figure 1 shows that the schematic cross-section of existing a kind of side entrance back module.Please refer to Fig. 1, existing backlight module 10 comprises backboard 11, heat sink 12, reflecting plate 13, LGP 14 and light-emitting section 15.Heat sink 12, reflecting plate 13 and LGP 14 are set in turn on backboard 11, and light-emitting section 15 is arranged at least one side of LGP 14, and are fixed on heat sink 12 by heat radiation adhesive tape 16.Light-emitting section 15 comprises pedestal 15a and be arranged at the some light-emitting component 15b on pedestal 15a, and the light-emitting area of light-emitting component 15b is over against the light inlet side of LGP 14.
In existing backlight module 10, for the light-emitting component 15b that the makes light-emitting section 15 light inlet side over against LGP 14, to improve the coupling effect of light, thereby need to arrange light-emitting area that thicker LGP 14 just can make light-emitting component 15b fully over against the light inlet side of LGP 14.To run in the opposite direction with the lightening requirement of backlight module like this, and the waste material, cost increased.In addition, the impact of adhesive tape 16 special substances that dispelled the heat, light-emitting section 15 can not effectively be dispelled the heat.
Summary of the invention
The invention reside in a kind of backlight module is provided, thickness that can the thinning LGP, and can improve radiating effect.
For reaching above-mentioned purpose, the invention provides a kind of backlight module, comprise backboard, heat sink and LGP, be provided with reflecting plate between described heat sink and described LGP, Yi Bian described LGP at least be provided with light-emitting section, described light-emitting section comprises pedestal and light-emitting component, described heat sink comprises base plate and side plate, described base plate is provided with several support columns, at least one in described support column be positioned at described light-emitting section light-emitting component under, described reflecting plate is positioned on described support column
In one embodiment of the invention, described support column comprises vertical component effect and horizontal part, and vertical being connected of described base plate of described vertical component effect and described heat sink, described horizontal part is perpendicular to described vertical component effect, and is parallel to described base plate.
In one embodiment of the invention, the thickness of the height of described support column and described reflecting plate and described base plate that equal described heat sink arrives the distance between the light-emitting component of described light-emitting section.
In one embodiment of the invention, the described light-emitting component of described light-emitting section is over against the light inlet side of described LGP, and the downside of described LGP flushes with the downside of described light-emitting component.
In one embodiment of the invention, the described base plate of described support column and described heat sink is one-body molded.
In one embodiment of the invention, the described base plate of described support column and described heat sink screws togather by screw thread.
In one embodiment of the invention, described heat sink is aluminum material.
In one embodiment of the invention, described light-emitting section is fixed on described heat sink by the heat radiation adhesive tape.
Compared to prior art, backlight module of the present invention, some support columns are set on heat sink, support LGP by support column, the downside of the light-emitting component of light-emitting section is flushed with the downside of LGP, the light-emitting area of light-emitting component is over against the light inlet side of LGP, thereby thickness that can the thinning LGP is saved material.In addition, support column be positioned at light-emitting component under, can once advance light-emitting component was dispelled the heat.
The accompanying drawing explanation
Figure 1 shows that the schematic cross-section of existing a kind of side entrance back module.
Figure 2 shows that the schematic cross-section of backlight module one preferred embodiment of the present invention.
Figure 3 shows that the enlarged diagram at the IV place in Fig. 2.
The specific embodiment
Reach for further setting forth the present invention technological means and the effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, the specific embodiment, structure, feature and effect thereof that foundation the present invention is proposed, be described in detail as follows.
Figure 2 shows that the schematic cross-section of backlight module one preferred embodiment of the present invention.Please refer to Fig. 1, backlight module 20 of the present invention comprises backboard 21, heat sink 22, reflecting plate 23, LGP 24 and light-emitting section 25.Heat sink 22 comprises base plate 22a and side plate 22b, and base plate 22a is provided with some support columns 26.
Figure 3 shows that the enlarged diagram at the IV place in Fig. 2.Please, in the lump with reference to Fig. 2 and Fig. 3, heat sink 22 is arranged on backboard 21, and the base plate 22a of heat sink 22 extends upward some support columns 26, and reflecting plate 23 is arranged on support column 26, and LGP 24 is positioned on reflecting plate 23.Support column 26 comprises vertical component effect 26a and horizontal part 26b, roughly is T-shaped, and vertical being connected of base plate 22a of vertical component effect 26a and heat sink 22, horizontal part 26b is perpendicular to vertical component effect 26a, and is parallel to base plate 22a.The horizontal part 26b of support column 26 can increase the Area of bearing with reflecting plate 23 and LGP 24, prevents the distortion of reflecting plate 23 and LGP 24.
Light-emitting section 25 is positioned at least one side of LGP 24, and light-emitting section 25 is fixedly connected with heat sink 22 by heat radiation adhesive tape 27.Light-emitting section 25 comprises pedestal 25a and is arranged at the some light-emitting component 25b on pedestal 25a.At least one of some support columns 26 on the base plate 22a of heat sink 22 be positioned at light-emitting component 25b under, edge that on the one hand can supporting reflex plate 23, effectively prevent the edge deformation of reflecting plate 23, interval one reflecting plate 23 only between support column 26 and light-emitting component 25b on the other hand, therefore, can further to light-emitting component 25b, be dispelled the heat by support column 26.
In preferred embodiment of the present invention, the height d1 of the support column 26 on the base plate 22a of heat sink 22 and the thickness d 2 of reflecting plate 23 and equal base plate 22a to the light-emitting component 25b of light-emitting section 25 apart from d3.Thereby, can be so that the downside of the light-emitting component 25b of light-emitting section 25 flushes with the downside of LGP 24, the light-emitting area of light-emitting component 25b is fully over against the light inlet side of LGP 24.Therefore, can reduce the thickness of LGP 24, LGP 24 that will be thinner by support portion 26 supports, and makes the light inlet side of LGP 24 over against the light-emitting area with light-emitting component 25b.
In preferred embodiment of the present invention, heat sink 22 is one-body molded, understandable with support column 26, and in other embodiments, support column 26 can separate setting with heat sink 22, by screw thread, screws togather.Concrete, the lower end of the vertical component effect 26a of support column 26 is provided with external screw thread, and the base plate 22a of heat sink 22 is provided with the screw with the external screw thread coupling, thus the vertical component effect 26a of support column 26 is fixed in the screw on base plate.
Preferably, heat sink 22 of the present invention and on support column 26 for adopt radiating effect preferably material make, aluminum material for example.
In sum, backlight module of the present invention, some support columns are set on heat sink, support LGP by support column, the downside of the light-emitting component of light-emitting section is flushed with the downside of LGP, the light-emitting area of light-emitting component is over against the light inlet side of LGP, thereby thickness that can the thinning LGP is saved material.In addition, support column be positioned at light-emitting component under, can once advance light-emitting component was dispelled the heat.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, although the present invention discloses as above with preferred embodiment, yet not in order to limit the present invention, any those skilled in the art, within not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be not break away from the technical solution of the present invention content, any simple modification of above embodiment being done according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (8)
1. a backlight module, comprise backboard, heat sink and LGP, be provided with reflecting plate between described heat sink and described LGP, at least one side of described LGP is provided with light-emitting section, described light-emitting section comprises pedestal and light-emitting component, it is characterized in that: described heat sink comprises base plate and side plate, and described base plate is provided with several support columns, at least one in described support column be positioned at described light-emitting section light-emitting component under, described reflecting plate is positioned on described support column.
2. backlight module as claimed in claim 1, it is characterized in that: described support column comprises vertical component effect and horizontal part, vertical being connected of described base plate of described vertical component effect and described heat sink, described horizontal part is perpendicular to described vertical component effect, and is parallel to described base plate.
3. backlight module as claimed in claim 2 is characterized in that: the described base plate height of described support column and the thickness of described reflecting plate and that equal described heat sink is to the distance between the light-emitting component of described light-emitting section.
4. backlight module as claimed in claim 2, it is characterized in that: the described light-emitting component of described light-emitting section is over against the light inlet side of described LGP, and the downside of described LGP flushes with the downside of described light-emitting component.
5. backlight module as claimed in claim 1, it is characterized in that: the described base plate of described support column and described heat sink is one-body molded.
6. backlight module as claimed in claim 1, it is characterized in that: the described base plate of described support column and described heat sink screws togather by screw thread.
7. backlight module as claimed in claim 1, it is characterized in that: described heat sink is aluminum material.
8. backlight module as claimed in claim 1 is characterized in that: described light-emitting section is fixed on described heat sink by the heat radiation adhesive tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310420739.3A CN103471042B (en) | 2013-09-16 | 2013-09-16 | Backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310420739.3A CN103471042B (en) | 2013-09-16 | 2013-09-16 | Backlight module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103471042A true CN103471042A (en) | 2013-12-25 |
| CN103471042B CN103471042B (en) | 2016-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310420739.3A Expired - Fee Related CN103471042B (en) | 2013-09-16 | 2013-09-16 | Backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103471042B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016127636A1 (en) * | 2015-02-10 | 2016-08-18 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN106104369A (en) * | 2014-04-16 | 2016-11-09 | 堺显示器制品株式会社 | Display device |
| CN107370438A (en) * | 2017-06-19 | 2017-11-21 | 湖南海博瑞德电智控制技术有限公司 | A kind of Simple air conditioner compressor controller |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202327573U (en) * | 2011-12-08 | 2012-07-11 | 安徽巨一自动化装备有限公司 | Assistant supporting structure |
| CN102661550A (en) * | 2012-05-09 | 2012-09-12 | 深圳市华星光电技术有限公司 | Backlight module |
| CN102679275A (en) * | 2012-05-16 | 2012-09-19 | 深圳市华星光电技术有限公司 | Heat-dissipation aluminium extruding structure and corresponding backlight module |
-
2013
- 2013-09-16 CN CN201310420739.3A patent/CN103471042B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202327573U (en) * | 2011-12-08 | 2012-07-11 | 安徽巨一自动化装备有限公司 | Assistant supporting structure |
| CN102661550A (en) * | 2012-05-09 | 2012-09-12 | 深圳市华星光电技术有限公司 | Backlight module |
| CN102679275A (en) * | 2012-05-16 | 2012-09-19 | 深圳市华星光电技术有限公司 | Heat-dissipation aluminium extruding structure and corresponding backlight module |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106104369A (en) * | 2014-04-16 | 2016-11-09 | 堺显示器制品株式会社 | Display device |
| WO2016127636A1 (en) * | 2015-02-10 | 2016-08-18 | 京东方科技集团股份有限公司 | Backlight module and display device |
| US10185078B2 (en) | 2015-02-10 | 2019-01-22 | Boe Technology Group Co., Ltd. | Backlight module and display device |
| CN107370438A (en) * | 2017-06-19 | 2017-11-21 | 湖南海博瑞德电智控制技术有限公司 | A kind of Simple air conditioner compressor controller |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103471042B (en) | 2016-05-04 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ke Shengjia Inventor before: Sun Yinsheng |
|
| COR | Change of bibliographic data | ||
| GR01 | Patent grant | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160413 Address after: 311121, room 1, building 1, building 28, Haishu Road, No. 101, Hangzhou Road, Yuhang District, Zhejiang, China Applicant after: Hangzhou Dazhen Science and Technology Co., Ltd . Address before: 210012, A building, No. 106, software Avenue, Yuhuatai District, Jiangsu, Nanjing, 3 Applicant before: Sun Yinsheng |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160504 Termination date: 20180916 |
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| CF01 | Termination of patent right due to non-payment of annual fee |