CN105068317A - Backlight module, display module and terminal - Google Patents
Backlight module, display module and terminal Download PDFInfo
- Publication number
- CN105068317A CN105068317A CN201510577408.XA CN201510577408A CN105068317A CN 105068317 A CN105068317 A CN 105068317A CN 201510577408 A CN201510577408 A CN 201510577408A CN 105068317 A CN105068317 A CN 105068317A
- Authority
- CN
- China
- Prior art keywords
- light guide
- plate
- guide plate
- reflector plate
- catch
- 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.)
- Granted
Links
- 239000003292 glue Substances 0.000 claims description 34
- 239000004973 liquid crystal related substance Substances 0.000 claims description 12
- 238000005452 bending Methods 0.000 claims description 4
- 238000007598 dipping method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000012788 optical film Substances 0.000 description 4
- 241000254158 Lampyridae Species 0.000 description 3
- 238000010030 laminating Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
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
- G02F1/133605—Direct backlight including specially adapted reflectors
-
- 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
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
-
- 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
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)
Abstract
The invention provides a backlight module. The backlight module comprises a reflector plate, a light guide plate stacked on the reflector plate and a rubber frame. The rubber frame surrounds the light guide plate and the reflector plate. A plurality of protrusions are arranged on the side, facing the light incidence side of the light guide plate, of the rubber frame at intervals. A backlight source is arranged between every two adjacent protrusions. The backlight sources face the light incidence side of the light guide plate. The portions, opposite to the protrusions, of the reflector plate are provided with notches and stop sheets which are located in the notches and face the edges of the protrusions. The protrusions are inserted into the notches. The stop sheets are clamped between the protrusions and the light incidence side of the reflector plate. The surfaces, facing the reflector plate, of the stop sheets are reflection surfaces. The invention further discloses a display module and a terminal.
Description
Technical field
The present invention relates to technical field of liquid crystal display, particularly a kind of backlight module, display module and terminal.
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 comprises backboard, be arranged on reflector plate above backboard, lamp source, light guide plate, optical film material and the glue frame for lightguide plate fixing and optical film material, lamp source is positioned at the incident side of glue frame light guide plate, reflector plate, between backboard and light guide plate, returns light guide plate for fiber reflection light guide plate spilt.Display panel is positioned at the top of backlight, and light is uniformly distributed after the reflection and diffusion of light guide plate, then through optical film material diffusion, mixed light, convergence increment etc., incides on display panel, for display panel provides light source.
Wherein, glue frame needs to arrange the support protrusion supporting lamp source, and the side that reflector plate is positioned at support protrusion needs to arrange U-shaped slot to make way, fixes in support protrusion embedded groove with reflecting piece.Between two adjacent support protrusion, lamp source is set, but the incident side of light guide plate and support protrusion relative position, and namely lamp source two side position often there will be firefly phenomenon, causes the interval region brightness of lamp source darker.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of backlight module, can reduce backlight dark area effect.
The present invention also provides a kind of display module and terminal.
To achieve these goals, embodiment of the present invention provides following technical scheme:
The invention provides a kind of backlight module, it comprises reflector plate, is stacked at the light guide plate of reflector plate and glue frame, described glue frame is arranged around described light guide plate and reflector plate, described glue frame is interval with multiple projection towards the side of described light guide plate incident side, be equipped with backlight between every two projections, described backlight is towards described light guide plate incident side; Described reflector plate and described protruding relative position are provided with breach and are positioned at the catch of described breach towards the edge of projection, described projection is inserted in described breach, described catch is held between described projection and described light guide plate incident side, and described catch is reflecting surface towards the surface of light guide plate.
Wherein, described catch cuts retroreflection sheet direction by described reflector plate marginal portion and is bent to form, and the position that the back reflection sheet edge of catch bending is simultaneously cut forms described breach.
Wherein, described backlight module also comprises backboard, and described backboard comprises base plate and is located at the side plate of bottom edge, and described glue frame to be positioned on base plate and to fit with side, and described reflector plate covers base plate and arranges.
Wherein, described backlight module also comprises blooming piece, and described blooming piece covers the side of described light guide plate for bright dipping.
Wherein, described catch to be formed to described reflector plate buckling away from the end back of described reflector plate and holds limit, holds limit and described glue frame holds.
The invention provides a kind of display module, described display device comprises backlight module and liquid crystal panel, described backlight module comprises reflector plate, is stacked at the light guide plate of reflector plate and glue frame, described glue frame is arranged around described light guide plate and reflector plate, described glue frame is interval with multiple projection towards the side of described light guide plate incident side, be equipped with backlight between every two projections, described backlight is towards described light guide plate incident side; Described reflector plate and described protruding relative position are provided with breach and are positioned at the catch of described breach towards the edge of projection, described projection is inserted in described breach, described catch is held between described projection and described light guide plate incident side, described catch is reflecting surface towards the surface of light guide plate, and described liquid crystal panel is located at above the light guide plate of described backlight module.
Wherein, described catch cuts retroreflection sheet direction by described reflector plate marginal portion and is bent to form, and after catch bending simultaneously, cut position forms described breach.
Wherein, described backlight module also comprises backboard, and described backboard comprises base plate and is located at the side plate of bottom edge, and described glue frame to be positioned on base plate and to fit with side, and described reflector plate covers base plate and arranges.
Wherein, described catch to be formed to described reflector plate buckling away from the end back of described reflector plate and holds limit, holds limit and described glue frame holds.
The invention provides a kind of terminal, described terminal comprises body and is loaded on the display module as described in any one of claim 6-9 on body.
The glue frame of backlight module of the present invention and reflector plate are by also locating by catch and protruding laminating while protruding and breach grafting, the reflecting surface of described reflector plate is towards the incident side part of both sides, described lamp source, the namely part of the protruding incident side faced toward, the light of reflecting surface to lamp source limit of catch reflects to light guide plate, strengthen the brightness of both sides, lamp source, reduce existing firefly phenomenon, and then reduce the darker problem of lamp source interval region brightness.
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 cross-wise direction schematic diagram of backlight module of the present invention.
Fig. 2 is the reflector plate structure schematic diagram of the backlight module shown in Fig. 1.
Fig. 3 is that schematic diagram assembled by the glue frame of the backlight module shown in Fig. 1 and reflector plate.
Fig. 4 is another embodiment schematic diagram of backlight module of the present invention.
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 backlight module, and it comprises reflector plate 10, is stacked at the light guide plate 12 of reflector plate 10 and glue frame 14.Described glue frame 14 is arranged around described light guide plate 12 and reflector plate 10.Described glue frame 14 is interval with multiple protruding 141 towards the side of described light guide plate 12 incident side 121, is equipped with backlight (not shown) between every two projections 141.Described backlight is towards the incident side 121 of described light guide plate 12.Described reflector plate 10 is provided with breach 101 with described protruding 141 relative positions and is positioned at the catch 102 of described breach 101 towards the edge of projection, described protruding 141 insert in described breach 101, described catch 102 is held between described protruding 141 and the incident side 121 of described light guide plate 12, and described catch 102 is reflecting surface towards the surface of light guide plate 12.
See also Fig. 3, in the present embodiment, described light guide plate 12 also comprises exiting surface 122 and the bottom surface 123 relative with exiting surface.Described reflector plate 10 is rectangle lamellar body, and the surface towards light guide plate is reflecting surface, is penetrated fully by light for auxiliary described light guide plate 10 through exiting surface.Described light guide plate 10 is stacked on described reflector plate 10, and bottom surface 123 and described reflecting surface are fitted.Described breach 101 and catch 102 are positioned at the edge of described reflector plate 10.
Wherein, described catch 102 cuts retroreflection sheet 10 direction by described reflector plate 10 marginal portion and is bent to form, and the position that catch 102 bends back reflection sheet 10 edge cut simultaneously forms described breach 101.That is, described breach 101 is the parts lacked after cutting catch 102.
Described backlight module also comprises backboard 16, for carrying the elements such as the light guide plate of backlight module.Described backboard 16 comprises base plate 161 and is located at the side plate 162 at base plate 161 edge, and described glue frame 12 to be positioned on base plate 161 and to fit with side 162.Described reflector plate 10 covers base plate 161 and arranges.
Described glue frame 14 is frame structure, and it is arranged around described light guide plate 12 and reflector plate 10.Described glue frame 12 comprises a side frame 142.Described protruding 141 are provided with surface 143.Described glue frame 12 is fitted with described side 162 by described side frame 142.The surface of side frame 142 towards the incidence surface 121 of light guide plate 12 is located at described protruding 141 intervals, described surperficial 143 described backboards 16 dorsad.
Described backlight comprises wiring board and is located at the light source of wiring board, wiring board has two adjacent projections 141 to support, described light source is relative with the incident side 121 of described light guide plate 12 between two projections 141, and described catch 102 is fitted towards the surface of incident side 121 with described protruding 141.
Further, described backlight module also comprises blooming piece 17, and described blooming piece 17 covers the side of described light guide plate 12 for bright dipping, namely covers described exiting surface 122.
Refer to Fig. 4, further, in another embodiment of reflector plate of the present invention, be with above-described embodiment difference, described catch 102 to be bent to form to described reflector plate 10 away from the end back of described reflector plate 10 and to hold limit 103, holds limit 103 and holds with described protruding 141.Concrete, described in hold that limit 103 is parallel with described reflector plate 10 and bearing of trend is contrary.The described checkpost that holds is held on the described surface of protruding 141 143, secures described glue frame and reflector plate further.
The glue frame of backlight module of the present invention and reflector plate are by also locating by catch and protruding laminating while protruding and breach grafting, strengthen and steadiness is installed, and the reflecting surface of described reflector plate is towards the incident side part of both sides, described lamp source, the namely part of protruding 141 incident side 121 faced toward, the light of reflecting surface to lamp source limit of catch 102 reflects to light guide plate, strengthen the brightness of both sides, lamp source, reduce existing firefly phenomenon, and then reduce the darker problem of lamp source interval region brightness.
The present invention also provides a kind of display module, and described display device comprises backlight module and liquid crystal panel (not shown), and described liquid crystal panel is located at above the light guide plate of described backlight module.Described liquid crystal panel is positioned at the top of backlight, and light is uniformly distributed after the reflection and diffusion of light guide plate, then through optical film material diffusion, mixed light, convergence increment etc., incides on liquid crystal panel, for liquid crystal panel provides light source.
The present invention also provides a kind of terminal, and described terminal comprises body and is loaded on the described display module on body.
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 (10)
1. a backlight module, it comprises reflector plate, is stacked at the light guide plate of reflector plate and glue frame, described glue frame is arranged around described light guide plate and reflector plate, described glue frame is interval with multiple projection towards the side of described light guide plate incident side, be equipped with backlight between every two projections, described backlight is towards described light guide plate incident side; It is characterized in that, described reflector plate and described protruding relative position are provided with breach and are positioned at the catch of described breach towards the edge of projection, described projection is inserted in described breach, described catch is held between described projection and described light guide plate incident side, and described catch is reflecting surface towards the surface of light guide plate.
2. backlight module as claimed in claim 1, it is characterized in that, described catch cuts retroreflection sheet direction by described reflector plate marginal portion and is bent to form, and the position that the back reflection sheet edge of catch bending is simultaneously cut forms described breach.
3. backlight module as claimed in claim 2, it is characterized in that, described backlight module also comprises backboard, and described backboard comprises base plate and is located at the side plate of bottom edge, and described glue frame to be positioned on base plate and fit with side, and described reflector plate covers base plate setting.
4. backlight module plate as claimed in claim 1, it is characterized in that, described backlight module also comprises blooming piece, and described blooming piece covers the side of described light guide plate for bright dipping.
5. backlight module as claimed in claim 1, is characterized in that, described catch to be formed to described reflector plate buckling away from the end back of described reflector plate and holds limit, holds limit and described glue frame holds.
6. a display module, described display device comprises backlight module and liquid crystal panel, described backlight module comprises reflector plate, is stacked at the light guide plate of reflector plate and glue frame, described glue frame is arranged around described light guide plate and reflector plate, described glue frame is interval with multiple projection towards the side of described light guide plate incident side, be equipped with backlight between every two projections, described backlight is towards described light guide plate incident side; It is characterized in that, described reflector plate and described protruding relative position are provided with breach and are positioned at the catch of described breach towards the edge of projection, described projection is inserted in described breach, described catch is held between described projection and described light guide plate incident side, described catch is reflecting surface towards the surface of light guide plate, and described liquid crystal panel is located at above the light guide plate of described backlight module.
7. show module as claimed in claim 6, it is characterized in that, described catch cuts retroreflection sheet direction by described reflector plate marginal portion and is bent to form, and the position that the back reflection sheet edge of catch bending is simultaneously cut forms described breach.
8. show module as claimed in claim 7, it is characterized in that, described backlight module also comprises backboard, and described backboard comprises base plate and is located at the side plate of bottom edge, and described glue frame to be positioned on base plate and to fit with side, and described reflector plate covers base plate and arranges.
9. show module as claimed in claim 6, it is characterized in that, described catch to be formed to described reflector plate buckling away from the end back of described reflector plate and holds limit, holds limit and described glue frame holds.
10. a terminal, is characterized in that, described terminal comprises body and is loaded on the display module as described in any one of claim 6-9 on body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510577408.XA CN105068317B (en) | 2015-09-11 | 2015-09-11 | Backlight module, display module and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510577408.XA CN105068317B (en) | 2015-09-11 | 2015-09-11 | Backlight module, display module and terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105068317A true CN105068317A (en) | 2015-11-18 |
| CN105068317B CN105068317B (en) | 2018-02-02 |
Family
ID=54497719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510577408.XA Active CN105068317B (en) | 2015-09-11 | 2015-09-11 | Backlight module, display module and terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105068317B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106773307A (en) * | 2017-01-03 | 2017-05-31 | 深圳市宝明科技股份有限公司 | A kind of backlight module without glue frame |
| CN110174723A (en) * | 2019-04-29 | 2019-08-27 | 厦门天马微电子有限公司 | Display module and display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080097699A (en) * | 2007-05-03 | 2008-11-06 | 삼성전자주식회사 | Display |
| KR20110074101A (en) * | 2009-12-24 | 2011-06-30 | 삼성엘이디 주식회사 | Backlight unit and liquid crystal display having the same |
| KR20130073398A (en) * | 2011-12-23 | 2013-07-03 | 엘지디스플레이 주식회사 | Liquid crystal display device |
| TWI418899B (en) * | 2010-10-12 | 2013-12-11 | Au Optronics Corp | Liquid crystal display and back-light module thereof |
| CN204069051U (en) * | 2014-07-02 | 2014-12-31 | 沈阳达源光电子有限公司 | A kind of cell phone back tabula rasa eliminating light in part white line |
| CN104848088A (en) * | 2015-05-13 | 2015-08-19 | 武汉华星光电技术有限公司 | Backlight module and liquid crystal display |
-
2015
- 2015-09-11 CN CN201510577408.XA patent/CN105068317B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080097699A (en) * | 2007-05-03 | 2008-11-06 | 삼성전자주식회사 | Display |
| KR20110074101A (en) * | 2009-12-24 | 2011-06-30 | 삼성엘이디 주식회사 | Backlight unit and liquid crystal display having the same |
| TWI418899B (en) * | 2010-10-12 | 2013-12-11 | Au Optronics Corp | Liquid crystal display and back-light module thereof |
| KR20130073398A (en) * | 2011-12-23 | 2013-07-03 | 엘지디스플레이 주식회사 | Liquid crystal display device |
| CN204069051U (en) * | 2014-07-02 | 2014-12-31 | 沈阳达源光电子有限公司 | A kind of cell phone back tabula rasa eliminating light in part white line |
| CN104848088A (en) * | 2015-05-13 | 2015-08-19 | 武汉华星光电技术有限公司 | Backlight module and liquid crystal display |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106773307A (en) * | 2017-01-03 | 2017-05-31 | 深圳市宝明科技股份有限公司 | A kind of backlight module without glue frame |
| CN110174723A (en) * | 2019-04-29 | 2019-08-27 | 厦门天马微电子有限公司 | Display module and display device |
| CN110174723B (en) * | 2019-04-29 | 2020-05-15 | 厦门天马微电子有限公司 | Display module and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105068317B (en) | 2018-02-02 |
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