CN104728683A - Integrated backlight source structure and liquid crystal display device - Google Patents
Integrated backlight source structure and liquid crystal display device Download PDFInfo
- Publication number
- CN104728683A CN104728683A CN201510176078.3A CN201510176078A CN104728683A CN 104728683 A CN104728683 A CN 104728683A CN 201510176078 A CN201510176078 A CN 201510176078A CN 104728683 A CN104728683 A CN 104728683A
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- CN
- China
- Prior art keywords
- backboard
- guide plate
- light guide
- light source
- source structure
- 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.)
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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
- G02F1/133615—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
- G02F1/133602—Direct backlight
- G02F1/133608—Direct backlight including particular frames or supporting means
-
- 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
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
- G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Abstract
The invention relates to the technical field of liquid crystal display, in particular to an integrated backlight source structure. The integrated backlight source structure comprises a backboard, a reflecting sheet, a light guide plate and a rubber frame. The light guide plate and the rubber frame are integrally formed. When a light guide plate die is manufactured, the light guide plate die with a rubber frame structure is directly manufactured, the machined light guide plate and the rubber frame are integrated, die cost can be saved, backlight source component cost is reduced, when the backlight source structure is assembled, one station can be omitted, and assembly efficiency is improved.
Description
Technical field
The present invention relates to technical field of liquid crystal display, particularly relate to a kind of integral type back light source structure and liquid crystal indicator.
Background technology
At present, in existing liquid crystal display device backlight part, as depicted in figs. 1 and 2, light guide plate 2 above backboard 3 and glue frame 1 are two independent components, need independent making, glue frame uses Shooting Technique, needs mold, LGP (light guide plate) generally adopts printing or mold injection, and die cost cost is high; Need when assembling the independent assembling carrying out two components, goods, materials and equipments also needs to carry out two component management, and packaging efficiency is low, and management cost is high.
Therefore, for above deficiency, the invention provides a kind of integral type back light source structure and liquid crystal indicator.
Summary of the invention
(1) technical problem that will solve
The object of this invention is to provide a kind of integral type back light source structure and liquid crystal indicator to save die cost, reduce backlight component cost, to improve packaging efficiency.
(2) technical scheme
In order to solve the problems of the technologies described above, one aspect of the present invention provides a kind of integral type back light source structure, it comprises backboard, reflector plate, light guide plate and glue frame, side and the glue frame of backboard fasten, light guide plate and glue frame one-body molded, light guide plate is positioned at the top of backboard, and reflector plate is arranged between light guide plate and backboard.
Wherein, the material of described light guide plate and glue frame is polymethyl methacrylate.
Wherein, described light guide plate and glue frame integrated injection molding.
Wherein, described glue frame has the adhesive tape for binding liquid crystal panel.
Wherein, described glue frame has the projection cube structure to downward-extension, and the side of described projection cube structure and described backboard fastens.
Wherein, the bottom of described projection cube structure offers the first groove, to fasten with the side of backboard.
Wherein, the side of described backboard has backboard groove, the space of placing to provide light source; The junction of projection cube structure and light guide plate has the second groove, and this second groove and described backboard groove are oppositely arranged.
Wherein, the position that described glue frame engages with the side of backboard has projection, and position corresponding with described projection on the side of backboard offers screens hole.
The present invention provides a kind of liquid crystal indicator on the other hand, and it comprises liquid crystal panel and above-mentioned integral type back light source structure.
Wherein, also blooming piece is provided with between described liquid crystal panel and light guide plate.
(3) beneficial effect
Technique scheme tool of the present invention has the following advantages: in integral type back light source structure provided by the invention, light guide plate and glue frame one-body molded, the light-conducting board mold with adhesive frame structure is directly made when light-conducting board mold makes, the light guide plate processed becomes to be integrated with glue frame, can die cost be saved, reduce backlight component cost, simultaneously when back light source structure is assembled, can also reduce by a station, improve packaging efficiency.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of conventional backlit source structure in prior art;
Fig. 2 is the matching relationship schematic diagram of glue frame, light guide plate and backboard in prior art;
Fig. 3 is the schematic diagram of integral type back light source structure of the present invention;
Fig. 4 is the structural representation that integral type back light source structure of the present invention and liquid crystal panel are assembled.
In figure, 1: glue frame; 2: light guide plate; 3: backboard; 4: adhesive tape; 5: liquid crystal panel; 6: reflector plate; 101: projection cube structure; 102: the second grooves; 301: backboard groove.
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
In describing the invention, it will be appreciated that, term " top ", " on " etc. instruction orientation or position relationship be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
As shown in Figure 3, a kind of integral type back light source structure provided by the invention comprises backboard 3, reflector plate 6, light guide plate 2 and glue frame 1, side and the glue frame 1 of backboard 3 fasten, light guide plate 2 and glue frame 1 one-body molded, light guide plate 2 is positioned at the top of backboard 3, and reflector plate 6 is arranged between light guide plate 2 and backboard 3.
In above-described embodiment, light guide plate 2 and glue frame 1 one-body molded, light guide plate 2 mould with glue frame 1 structure is directly made when light guide plate 2 Mold Making, the light guide plate 2 processed is integrated with glue frame 1 one-tenth, can die cost be saved, reduce backlight component cost, simultaneously when back light source structure is assembled, can also reduce by a station, improve packaging efficiency.
Particularly, the material of described light guide plate 2 and glue frame 1 is polymethyl methacrylate.This kind of material is that in the transparent material synthesized up to now, quality is the most excellent, the kind that price is relatively more suitable again, and this kind of material has dielectric properties again simultaneously, can meet the functional requirement of light guide plate 2 and glue frame 1 simultaneously.
Preferably, described light guide plate 2 and glue frame 1 adopt the mode of integrated injection molding.Adopt the mode of injection moulding simply effective, easy to process.
Usually, described glue frame 1 has the adhesive tape for binding liquid crystal panel 5, as shown in Figure 2, glue frame 1 structure independent in existing back light source structure arranges adhesive tape 4 usually, to bond with liquid crystal panel 5, the present invention also arranges adhesive tape in corresponding position on light guide plate 2 integrated glue frame 1.
As shown in Figure 3, described glue frame has the projection cube structure 101 to downward-extension, and described projection cube structure 101 fastens with the side of described backboard; Particularly, the bottom of described projection cube structure 101 offers the first groove, to fasten with the side of backboard.
Further, the side of described backboard has backboard groove 301, the space of placing to provide light source; Projection cube structure 101 has the second groove 102 with the junction of light guide plate, and this second groove 102 is oppositely arranged with described backboard groove 301, while saving material, also can play the effect identical with backboard groove 301, namely facilitate the placement of light source.
Preferably, the position that described glue frame 1 engages with the side of backboard 3 has projection, and position corresponding with described projection on the side of backboard offers screens hole.
As shown in Figure 4, the liquid crystal indicator that the present invention provides on the other hand comprises liquid crystal panel 5 and above-mentioned integral type back light source structure, preferably, is also provided with the blooming piece such as prism film or diffusion sheet between described liquid crystal panel 5 and light guide plate 2.Such liquid crystal indicator, owing to have employed above-mentioned back light source structure, can save die cost, reducing backlight component cost, simultaneously when assembling, can also reduce by a station, improve packaging efficiency.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (10)
1. an integral type back light source structure, it is characterized in that: it comprises backboard, reflector plate, light guide plate and glue frame, side and the glue frame of backboard fasten, light guide plate and glue frame one-body molded, light guide plate is positioned at the top of backboard, and reflector plate is arranged between light guide plate and backboard.
2. integral type back light source structure according to claim 1, is characterized in that: the material of described light guide plate and glue frame is polymethyl methacrylate.
3. integral type back light source structure according to claim 2, is characterized in that: described light guide plate and glue frame integrated injection molding.
4. integral type back light source structure according to claim 3, is characterized in that: described glue frame has the adhesive tape for binding liquid crystal panel.
5. integral type back light source structure according to claim 1, is characterized in that: described glue frame has the projection cube structure to downward-extension, and the side of described projection cube structure and described backboard fastens.
6. integral type back light source structure according to claim 5, is characterized in that: the bottom of described projection cube structure offers the first groove, to fasten with the side of backboard.
7. integral type back light source structure according to claim 5, is characterized in that: the side of described backboard has backboard groove, the space of placing to provide light source; The junction of projection cube structure and light guide plate has the second groove, and this second groove and described backboard groove are oppositely arranged.
8. integral type back light source structure according to claim 1, is characterized in that: the position that described glue frame engages with the side of backboard has projection, and position corresponding with described projection on the side of backboard offers screens hole.
9. a liquid crystal indicator, is characterized in that: it comprises liquid crystal panel and the integral type back light source structure described in any one of claim 1-8.
10. liquid crystal indicator according to claim 9, is characterized in that: be also provided with blooming piece between described liquid crystal panel and light guide plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510176078.3A CN104728683B (en) | 2015-04-14 | 2015-04-14 | A kind of integral type back light source structure and liquid crystal display device |
Applications Claiming Priority (1)
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CN201510176078.3A CN104728683B (en) | 2015-04-14 | 2015-04-14 | A kind of integral type back light source structure and liquid crystal display device |
Publications (2)
Publication Number | Publication Date |
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CN104728683A true CN104728683A (en) | 2015-06-24 |
CN104728683B CN104728683B (en) | 2017-11-14 |
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CN201510176078.3A Active CN104728683B (en) | 2015-04-14 | 2015-04-14 | A kind of integral type back light source structure and liquid crystal display device |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10123514A (en) * | 1996-10-21 | 1998-05-15 | Hitachi Ltd | Liquid crystal display device |
KR20050031222A (en) * | 2003-09-29 | 2005-04-06 | 엘지.필립스 엘시디 주식회사 | Module for lcd |
CN2763839Y (en) * | 2004-12-09 | 2006-03-08 | 群康科技(深圳)有限公司 | Light guiding board and backlight module |
CN201097047Y (en) * | 2007-08-08 | 2008-08-06 | 群康科技(深圳)有限公司 | Backlight module assembly and LCD |
US20080291356A1 (en) * | 2007-05-25 | 2008-11-27 | Tae Seok Kim | Backlight assembly and liquid crystal display having the same |
CN202204951U (en) * | 2011-09-09 | 2012-04-25 | 北京京东方光电科技有限公司 | LGP, backlight and LCD |
CN102759080A (en) * | 2012-07-19 | 2012-10-31 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
CN202561673U (en) * | 2012-05-04 | 2012-11-28 | 京东方科技集团股份有限公司 | Frame, backlight module and display device |
-
2015
- 2015-04-14 CN CN201510176078.3A patent/CN104728683B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10123514A (en) * | 1996-10-21 | 1998-05-15 | Hitachi Ltd | Liquid crystal display device |
KR20050031222A (en) * | 2003-09-29 | 2005-04-06 | 엘지.필립스 엘시디 주식회사 | Module for lcd |
CN2763839Y (en) * | 2004-12-09 | 2006-03-08 | 群康科技(深圳)有限公司 | Light guiding board and backlight module |
US20080291356A1 (en) * | 2007-05-25 | 2008-11-27 | Tae Seok Kim | Backlight assembly and liquid crystal display having the same |
CN201097047Y (en) * | 2007-08-08 | 2008-08-06 | 群康科技(深圳)有限公司 | Backlight module assembly and LCD |
CN202204951U (en) * | 2011-09-09 | 2012-04-25 | 北京京东方光电科技有限公司 | LGP, backlight and LCD |
CN202561673U (en) * | 2012-05-04 | 2012-11-28 | 京东方科技集团股份有限公司 | Frame, backlight module and display device |
CN102759080A (en) * | 2012-07-19 | 2012-10-31 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
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CN104728683B (en) | 2017-11-14 |
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