CN105425462A - Four-corner lamp backlight module - Google Patents
Four-corner lamp backlight module Download PDFInfo
- Publication number
- CN105425462A CN105425462A CN201510902762.5A CN201510902762A CN105425462A CN 105425462 A CN105425462 A CN 105425462A CN 201510902762 A CN201510902762 A CN 201510902762A CN 105425462 A CN105425462 A CN 105425462A
- Authority
- CN
- China
- Prior art keywords
- guide plate
- light guide
- backlight
- light
- backboard
- 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
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133603—Direct backlight with LEDs
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133628—Illuminating devices with cooling means
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a four-corner lamp backlight module which comprises a light guide plate and four sets of backlight mechanisms which are located at the four corners of the light guide plate respectively. Each backlight mechanism comprises a back plate, two equal-length side plates and an LED lamp bead, the four corners of the light guide plate are provided with transversal gap faces, the back plates and the transversal gap faces of the light guide plate are parallel and are connected through the equal-length side plates to form isosceles trapezoid modules, the LED lamp beads are arranged on the back plate, and the light outlet direction directly faces to the light guide plate. According to the four-corner lamp backlight module, only four LED lamp beads are adopted as backlight sources, the material and labor cost can be effectively lowered, and the market competitiveness is improved.
Description
Technical field
The present invention relates to LCD backlight module, especially a kind of four corner lamp backlight modules.
Background technology
Current backlight is to provide the light source of LCD, primarily of compositions such as light source, light guide plate, optical film sheet, plastic frames.The features such as it is high that backlight has brightness, and the life-span is long, luminescence is even.Mainly contain EL, CCFL and LED tri-kinds of type of backlight at present, be then divided into side-light type and straight-down negative (end backlight type) according to distribution of light sources position difference.Along with LCD module constantly to brighter, gentlier, thinner future development, the quality of backlight performance is except can directly affect except LCD video picture quality, the cost of backlight accounts for the 30-50% of LCD module, the electric power consumed more accounts for 75% of module, can say it is considerable spare part in LCD module, existing structure is complicated, with high costs, how to alleviate production cost and becomes the key problem that producer pays close attention to.
Summary of the invention
In order to solve the problem, the object of this invention is to provide the simple and four corner lamp backlight modules that cost is low of a kind of structure.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of four corner lamp backlight modules, comprise a light guide plate, and Four composition is not positioned at the back-light mechanism at light guide plate corner place, this back-light mechanism comprises backboard, two isometric side plates, LED lamp bead, this light guide plate four angles are transverse notches face, this backboard is parallel with the transverse notches face of light guide plate and connect to form isosceles trapezoid module by two isometric side plates therebetween, described LED lamp bead to be arranged on backboard and light direction just to light guide plate.
The back side of described backboard is provided with Graphene heat radiation film, and this Graphene heat radiation film thickness is 0.06 ~ 0.1mm.
Described two side plate outside surfaces are respectively provided with at least one cambered surface elasticity convex body, and this cambered surface elasticity convex body is used for clamping external stability mechanism with fixing isosceles trapezoid module.
The invention has the beneficial effects as follows: backlight module of the present invention only adopts four LED lamp pearls as backlight, can effectively reduce material and cost of labor, increase the market competitiveness.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described:
Fig. 1 is the structural drawing of backlight module of the present invention;
Fig. 2 is the structural drawing of back-light mechanism of the present invention.
Embodiment
With reference to shown in Fig. 1, Fig. 2, for a kind of four corner lamp backlight modules of the present invention comprise a light guide plate 1, and Four composition is not positioned at the back-light mechanism 2 at light guide plate corner place, this back-light mechanism 2 comprises the isometric side plate of backboard 21, two 22, LED lamp bead 23, this light guide plate 1 four angles are transverse notches face 11, this backboard 21 is parallel with the transverse notches face 11 of light guide plate 1 and connect to form isosceles trapezoid module by two isometric side plates 22 therebetween, described LED lamp bead 23 to be arranged on backboard 21 and light direction just to light guide plate 1.
Visible, backlight module of the present invention only adopts a LED lamp pearl 23 as backlight, eliminates the assemblies such as quantity of light source, blooming piece, reflector plate, effectively can reduce material and cost of labor, increases the market competitiveness.
In addition, the back side of described backboard 21 is provided with Graphene heat radiation film 24, and this Graphene heat radiation film 24 thickness is 0.06 ~ 0.1mm.Graphene is a kind of new material, have high temperature resistant, thermal expansivity is little, heat conduction, the advantage such as electric conductivity is better, friction factor is little, can be attached on curved surface or irregular surface; Graphene heat radiation has higher level (in-plane) coefficient of heat conductivity, energy can be carried out the conduction of in-plane fast, make the whole surperficial uniform heat distribution of in-plane, eliminates hot localised points.Single-layer graphene coefficient of heat conductivity is up to 4000-6600W/mK, higher than conductive graphite sheet, carbon nano-tube and adamas, it is the heat conductivility best material found at present, and the density opposing metallic material of Graphene is less, so when using Graphene to replace metal material heat radiation to reach identical radiating effect, the weight of Heat Conduction Material used effectively can be alleviated.
As the further improvement of the technical program, described two side plate 22 outside surfaces are respectively provided with at least one cambered surface elasticity convex body 25, this cambered surface elasticity convex body 25 for clamping external stability mechanism with fixing isosceles trapezoid module, just can realize self fixing of backlight module without the need to extra immobilising device, reduce production cost further.
Above-described embodiment is preferred version of the present invention, and the present invention also can have other embodiments.Those skilled in the art also can make equivalent variations or replacement under the prerequisite without prejudice to spirit of the present invention, and these equivalent modification or replacement are all included in the scope set by the application's claim.
Claims (3)
1. a corner lamp backlight module, it is characterized in that: comprise a light guide plate, and Four composition is not positioned at the back-light mechanism at light guide plate corner place, this back-light mechanism comprises backboard, two isometric side plates, LED lamp bead, this light guide plate four angles are transverse notches face, this backboard is parallel with the transverse notches face of light guide plate and connect to form isosceles trapezoid module by two isometric side plates therebetween, described LED lamp bead to be arranged on backboard and light direction just to light guide plate.
2. a kind of four corner lamp backlight modules as claimed in claim 1, is characterized in that: the back side of described backboard is provided with Graphene heat radiation film, and this Graphene heat radiation film thickness is 0.06 ~ 0.1mm.
3. a kind of four corner lamp backlight modules as claimed in claim 1, is characterized in that: described two side plate outside surfaces are respectively provided with at least one cambered surface elasticity convex body, and this cambered surface elasticity convex body is used for clamping external stability mechanism with fixing isosceles trapezoid module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510902762.5A CN105425462A (en) | 2015-12-08 | 2015-12-08 | Four-corner lamp backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510902762.5A CN105425462A (en) | 2015-12-08 | 2015-12-08 | Four-corner lamp backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105425462A true CN105425462A (en) | 2016-03-23 |
Family
ID=55503769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510902762.5A Pending CN105425462A (en) | 2015-12-08 | 2015-12-08 | Four-corner lamp backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105425462A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101573644A (en) * | 2006-08-25 | 2009-11-04 | 皇家飞利浦电子股份有限公司 | Backlight using high-powered corner LED |
| CN201696950U (en) * | 2010-06-22 | 2011-01-05 | 京东方科技集团股份有限公司 | Back light module |
| CN202328056U (en) * | 2011-11-28 | 2012-07-11 | 京东方科技集团股份有限公司 | LED (Light Emitting Diode) connecting and fixing device, LED backlight source, liquid crystal display panel and liquid crystal display device |
| CN203036386U (en) * | 2012-11-28 | 2013-07-03 | 彩虹集团公司 | Light-emitting diode (LED) backlight |
| CN103343926A (en) * | 2013-07-19 | 2013-10-09 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| KR20140075321A (en) * | 2012-12-11 | 2014-06-19 | 엘지디스플레이 주식회사 | Backlight unit and liquid crystal display device using the same |
| CN104359084A (en) * | 2014-10-08 | 2015-02-18 | 安徽世林照明股份有限公司 | Backlight module fluorescent tube bracket |
| US20150124479A1 (en) * | 2013-11-01 | 2015-05-07 | Seoul Semiconductor Co., Ltd. | Light source module and backlight unit having the same |
| CN105090820A (en) * | 2015-07-27 | 2015-11-25 | 武汉华星光电技术有限公司 | Backlight source and display device |
| CN205263432U (en) * | 2015-12-08 | 2016-05-25 | 广东长虹电子有限公司 | Four corners lamp backlight unit |
-
2015
- 2015-12-08 CN CN201510902762.5A patent/CN105425462A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101573644A (en) * | 2006-08-25 | 2009-11-04 | 皇家飞利浦电子股份有限公司 | Backlight using high-powered corner LED |
| CN201696950U (en) * | 2010-06-22 | 2011-01-05 | 京东方科技集团股份有限公司 | Back light module |
| CN202328056U (en) * | 2011-11-28 | 2012-07-11 | 京东方科技集团股份有限公司 | LED (Light Emitting Diode) connecting and fixing device, LED backlight source, liquid crystal display panel and liquid crystal display device |
| CN203036386U (en) * | 2012-11-28 | 2013-07-03 | 彩虹集团公司 | Light-emitting diode (LED) backlight |
| KR20140075321A (en) * | 2012-12-11 | 2014-06-19 | 엘지디스플레이 주식회사 | Backlight unit and liquid crystal display device using the same |
| CN103343926A (en) * | 2013-07-19 | 2013-10-09 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| US20150124479A1 (en) * | 2013-11-01 | 2015-05-07 | Seoul Semiconductor Co., Ltd. | Light source module and backlight unit having the same |
| CN104359084A (en) * | 2014-10-08 | 2015-02-18 | 安徽世林照明股份有限公司 | Backlight module fluorescent tube bracket |
| CN105090820A (en) * | 2015-07-27 | 2015-11-25 | 武汉华星光电技术有限公司 | Backlight source and display device |
| CN205263432U (en) * | 2015-12-08 | 2016-05-25 | 广东长虹电子有限公司 | Four corners lamp backlight unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into 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: 20160323 |