CN104375233A - Light guide plate, backlight module and displayer - Google Patents
Light guide plate, backlight module and displayer Download PDFInfo
- Publication number
- CN104375233A CN104375233A CN201410657263.XA CN201410657263A CN104375233A CN 104375233 A CN104375233 A CN 104375233A CN 201410657263 A CN201410657263 A CN 201410657263A CN 104375233 A CN104375233 A CN 104375233A
- Authority
- CN
- China
- Prior art keywords
- light guide
- guide plate
- backlight module
- plate
- plate body
- 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
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
-
- 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
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
- G02B6/0021—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces for housing at least a part of the light source, e.g. by forming holes or recesses
-
- 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
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0086—Positioning aspects
- G02B6/0088—Positioning aspects of the light guide or other optical sheets in the package
-
- 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
- G02F1/133608—Direct backlight including particular frames or supporting means
Abstract
The invention provides a light guide plate used for a backlight module. The light guide plate comprises a plate body, two opposite retaining walls and multiple containing grooves. The plate body comprises two first sides arranged oppositely and two second sides connected between the two first sides, the two first sides are adopted as the non-light-transmitting side of the light guide plate, and the second sides are adopted as the light-transmitting side of the light guide plate. The two retaining walls are arranged on the two first sides respectively in a protruded mode and used for positioning an optical film of the backlight module. The containing grooves are linearly arrayed in the positions close to the second sides, are throughout the plate body and are used for containing light strip light sources of the backlight module. The invention further discloses the backlight module and a displayer.
Description
Technical field
The present invention relates to technical field of liquid crystal display, particularly a kind of light guide plate, backlight module and display.
Background technology
At present, liquid crystal indicator has been widely used in various electronic product as the display unit of electronic equipment, and along with the development that electronic product is lightening, the frame of electronic equipment is designed to be more and more narrow.Backlight module is then a vitals in liquid crystal indicator, and the frame of backlight module also certainly will be more and more narrow.
Backlight module of the prior art includes backboard, glue frame, light guide plate are surrounded by glue frame, and lamp source light source is fixed on described light guide plate and glue frame by shading rubber belt, and blooming piece is also fixed on glue frame by shading double sticky tape.Described glue frame accommodated by described backboard, and described light guide plate is the important component part of backlight module.But, the backboard of the backlight module of prior art, glue frame, light guide plate, lamp source light source component is more, and assembling process is loaded down with trivial details, and due to the meat of glue frame thick more and more thinner, difficult forming, and easily damaging in assembling process, is difficult to the effect reaching narrow frame.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of light guide plate, makes backlight module be easy to assemble the effect of cutting and can reach narrow frame.
The present invention also provides a kind of backlight module and display.
To achieve these goals, embodiment of the present invention provides following technical scheme:
The invention provides a kind of light guide plate, for in backlight module, described light guide plate comprises plate body, two relative barricades and several holding tank, two Second Edges that described plate body comprises two the first limits be oppositely arranged and is connected between described two the first limits, described two the first limits are the non-incident light side of light guide plate, and described Second Edge is as the incident side of described light guide plate; Described two barricades are convexly equipped on described two the first limits respectively, and described barricade is for locating the blooming piece of described backlight module; Described several holding tank is arranged in a linear in the position of close described Second Edge and runs through described plate body, and described holding tank is for accommodating the lamp bar light source of backlight module.
Wherein, a surface of described plate body is provided with equal photo structure, and the light that described light guide plate is derived is even, and another surface relative with described surface is coated with reflectance coating.
Wherein, described light guide plate is formed in one and each described barricade is strip block.
Wherein, described holding tank is rectangular channel and runs through described plate body.
The invention provides a kind of backlight module, comprise backboard, lamp bar light source, blooming piece and described light guide plate, described light guide plate is located on described backboard, described blooming piece is positioned the described between barricade of described light guide plate, and described blooming piece and the stacked setting of described plate body, described lamp bar light source inserts in described holding tank.
Wherein, described backlight module also comprises double faced adhesive tape, described sticking double faced adhesive tape in described barricade away from the surface of plate body and described blooming piece.
Wherein, described backboard comprises base plate and side plate, and described light guide plate is fixed by the sidewall of double faced adhesive tape and backboard.
Wherein, reflecting piece is provided with between described base plate and described light guide plate.
The invention provides a kind of display, described display comprises described backlight module and liquid crystal panel, and described liquid crystal panel is located on described backlight module, and is fixed by double faced adhesive tape between described liquid crystal panel and described blooming piece.
The light guide plate incident side of backlight module of the present invention is provided with holding tank, and for holding lamp bar light source, the non-light incidence side of light guide plate is provided with integrated barricade, for fixed optics diaphragm, while saving glue frame minimizing seal ring thickness, easy to assembly.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained as these accompanying drawings.
Fig. 1 is the light conducting plate structure schematic diagram in better embodiment of the present invention.
Fig. 2 is the schematic cross-section of backlight module of the present invention.
Fig. 3 is the schematic cross-section of the other direction of backlight module shown in Fig. 3.
Embodiment
Below in conjunction with the accompanying drawing in embodiment of the present invention, the technical scheme in embodiment of the present invention is clearly and completely described.
Refer to Fig. 1 and Fig. 2, preferred embodiment of the present invention provides a kind of light guide plate 10, and it comprises plate body 11, two relative barricades 12 and several holding tank 13.Described plate body 11 comprises the first limit 111 and Second Edge 112.Described two the first limits 111 are the non-incident light side of light guide plate 10, and described Second Edge 112 is as the incident side of described light guide plate 10; Described two barricades 12 are convexly equipped on described two the first limits 111 respectively, and described barricade 12 is for locating the blooming piece of described backlight module; Described several holding tank 13 is arranged in a linear in the position of close described Second Edge 112 and runs through described plate body 11, and described holding tank 13 is for accommodating the lamp bar light source of backlight module.
In the present embodiment, described light guide plate 10 is rectangle plate body, and described light guide plate 10 is formed in one and each described barricade 12 is strip block.Described holding tank 13 is rectangular channel and runs through described plate body 11.
In the present embodiment, a surface of described plate body 11 is provided with equal photo structure, and the light that described light guide plate 10 is derived is even, and another surface relative with described surface is coated with reflectance coating (scheming not mark).
Refer to Fig. 3, preferred embodiment of the present invention additionally provides a kind of backlight module, and described backlight module comprises light guide plate 10, backboard 20, lamp bar light source 30 and blooming piece 40.Described light guide plate 10 is located on described backboard 20, and described blooming piece 40 is positioned the described between barricade 12 of described light guide plate 10, and described blooming piece 40 and the stacked setting of described plate body 11, and described lamp bar light source 30 to insert in described holding tank 13.
The side plate 22 that described backboard 20 comprises base plate 21 and arranges around base plate 21.Described base plate 21 surrounds receiving space, in order to accommodate described light guide plate 10, lamp bar light source 30 and blooming piece 40 with described side plate 22.Described light guide plate 10 and the stacked setting of described base plate 21.In the present embodiment, between described base plate 21 and described light guide plate 10, be provided with reflecting piece 90.Described light guide plate 10 is fixed by the sidewall 22 of double faced adhesive tape and backboard 20.
In the present embodiment, described backlight module also comprises double faced adhesive tape 50, and described double faced adhesive tape 50 is pasted on described barricade 13 away from the surface of plate body, sidewall 22 and described blooming piece 40.Blooming piece 40 can be polytype stacked setting, such as diffusion sheet, prismatic lens, polaroid etc.
Light guide plate 10 incident side of backlight module of the present invention is provided with holding tank 13, and for holding lamp bar light source 30, the non-light incidence side of light guide plate 10 is provided with integrated barricade 12, for fixed optics diaphragm 40, while saving glue frame minimizing seal ring thickness, easy to assembly.
The present invention also provides a kind of display, and described display comprises described backlight module and liquid crystal panel, and described liquid crystal panel is located on described backlight module, and is fixed by double faced adhesive tape between described liquid crystal panel and described blooming piece.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (9)
1. a light guide plate, the invention provides a kind of light guide plate, for in backlight module, it is characterized in that, described light guide plate comprises plate body, two relative barricades and several holding tank, two Second Edges that described plate body comprises two the first limits be oppositely arranged and is connected between described two the first limits, described two the first limits are the non-incident light side of light guide plate, and described Second Edge is as the incident side of described light guide plate; Described two barricades are convexly equipped on described two the first limits respectively, and described barricade is for locating the blooming piece of described backlight module; Described several holding tank is arranged in a linear in the position of close described Second Edge and runs through described plate body, and described holding tank is for accommodating the lamp bar light source of backlight module.
2. light guide plate as claimed in claim 1, it is characterized in that, a surface of described plate body is provided with equal photo structure, and the light that described light guide plate is derived is even, and another surface relative with described surface is coated with reflectance coating.
3. light guide plate as claimed in claim 1, it is characterized in that, described light guide plate is formed in one and each described barricade is strip block.
4. light guide plate as claimed in claim 1, it is characterized in that, described holding tank is rectangular channel and runs through described plate body.
5. a backlight module, comprise backboard, lamp bar light source and blooming piece, it is characterized in that, described backlight module comprises the light guide plate as described in Claims 1-4 any one, described light guide plate is located on described backboard, described blooming piece is positioned the described between barricade of described light guide plate, and described blooming piece and the stacked setting of described plate body, described lamp bar light source inserts in described holding tank.
6. backlight module as claimed in claim 5, it is characterized in that, described backlight module also comprises double faced adhesive tape, described sticking double faced adhesive tape in described barricade away from the surface of plate body and described blooming piece.
7. backlight module as claimed in claim 5, it is characterized in that, described backboard comprises base plate and side plate, and described light guide plate is fixed by the sidewall of double faced adhesive tape and backboard.
8. backlight module as claimed in claim 7, is characterized in that, be provided with reflecting piece between described base plate and described light guide plate.
9. a display, it is characterized in that, described display comprises backlight module as described in any one of claim 5-8 and liquid crystal panel, and described liquid crystal panel is located on described backlight module, and is fixed by double faced adhesive tape between described liquid crystal panel and described blooming piece.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410657263.XA CN104375233A (en) | 2014-11-17 | 2014-11-17 | Light guide plate, backlight module and displayer |
PCT/CN2014/092594 WO2016078121A1 (en) | 2014-11-17 | 2014-11-29 | Light guide plate, backlight module and display |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410657263.XA CN104375233A (en) | 2014-11-17 | 2014-11-17 | Light guide plate, backlight module and displayer |
Publications (1)
Publication Number | Publication Date |
---|---|
CN104375233A true CN104375233A (en) | 2015-02-25 |
Family
ID=52554258
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410657263.XA Pending CN104375233A (en) | 2014-11-17 | 2014-11-17 | Light guide plate, backlight module and displayer |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN104375233A (en) |
WO (1) | WO2016078121A1 (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104819440A (en) * | 2015-05-07 | 2015-08-05 | 武汉华星光电技术有限公司 | Light guide plate, manufacturing method for light guide plate and backlight module |
CN105650542A (en) * | 2016-01-04 | 2016-06-08 | 京东方光科技有限公司 | Backlight module and display device |
WO2016127442A1 (en) * | 2015-02-11 | 2016-08-18 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device comprising same |
CN106249344A (en) * | 2016-10-20 | 2016-12-21 | 武汉华星光电技术有限公司 | Display device, backlight module and light guide plate thereof |
CN107577008A (en) * | 2017-09-01 | 2018-01-12 | 昆山龙腾光电有限公司 | The preparation method of display device and display device |
WO2019095153A1 (en) * | 2017-11-15 | 2019-05-23 | 瑞仪光电(苏州)有限公司 | Backlight module and display device |
CN111679505A (en) * | 2020-06-28 | 2020-09-18 | 武汉华星光电技术有限公司 | Backlight module and vehicle-mounted display |
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KR20060134539A (en) * | 2005-06-23 | 2006-12-28 | 삼성전자주식회사 | Light guiding plate and backlight assembly and liquid crystal display device having the same |
CN100529895C (en) * | 2005-11-22 | 2009-08-19 | 群康科技(深圳)有限公司 | Backlight module |
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- 2014-11-17 CN CN201410657263.XA patent/CN104375233A/en active Pending
- 2014-11-29 WO PCT/CN2014/092594 patent/WO2016078121A1/en active Application Filing
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US20060120112A1 (en) * | 2004-12-03 | 2006-06-08 | Innolux Display Corp. | Backlight module and light guide plate with integrated frame |
CN1932556A (en) * | 2005-09-16 | 2007-03-21 | 鸿富锦精密工业(深圳)有限公司 | Light conducting plate and electronic products using the said plate |
CN101329035A (en) * | 2007-06-22 | 2008-12-24 | 美蓓亚株式会社 | Spread illuminating apparatus, transparent resin plate for use in spread illuminating apparatus, and method of injection-molding transparent resin plate |
CN103062712A (en) * | 2011-10-21 | 2013-04-24 | 财团法人工业技术研究院 | Light guide module |
CN103267245A (en) * | 2012-12-24 | 2013-08-28 | 上海天马微电子有限公司 | Backlight module and display |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016127442A1 (en) * | 2015-02-11 | 2016-08-18 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device comprising same |
CN104819440A (en) * | 2015-05-07 | 2015-08-05 | 武汉华星光电技术有限公司 | Light guide plate, manufacturing method for light guide plate and backlight module |
CN104819440B (en) * | 2015-05-07 | 2017-12-05 | 武汉华星光电技术有限公司 | Light guide plate and preparation method thereof, backlight module |
CN105650542A (en) * | 2016-01-04 | 2016-06-08 | 京东方光科技有限公司 | Backlight module and display device |
US9880349B2 (en) | 2016-01-04 | 2018-01-30 | Boe Technology Group Co., Ltd. | Backlight module and display device for simple fixation of lamp bar |
CN106249344A (en) * | 2016-10-20 | 2016-12-21 | 武汉华星光电技术有限公司 | Display device, backlight module and light guide plate thereof |
CN107577008A (en) * | 2017-09-01 | 2018-01-12 | 昆山龙腾光电有限公司 | The preparation method of display device and display device |
WO2019095153A1 (en) * | 2017-11-15 | 2019-05-23 | 瑞仪光电(苏州)有限公司 | Backlight module and display device |
US11092735B2 (en) | 2017-11-15 | 2021-08-17 | Radiant Opto-Electronics (Suzhou) Co., Ltd | Backlight module and display device |
CN111679505A (en) * | 2020-06-28 | 2020-09-18 | 武汉华星光电技术有限公司 | Backlight module and vehicle-mounted display |
Also Published As
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WO2016078121A1 (en) | 2016-05-26 |
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Application publication date: 20150225 |