CN103032762A - Backlight module and display module - Google Patents
Backlight module and display module Download PDFInfo
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- CN103032762A CN103032762A CN2012105131645A CN201210513164A CN103032762A CN 103032762 A CN103032762 A CN 103032762A CN 2012105131645 A CN2012105131645 A CN 2012105131645A CN 201210513164 A CN201210513164 A CN 201210513164A CN 103032762 A CN103032762 A CN 103032762A
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Abstract
The invention relates to a backlight module, which comprises a light guide plate and a border, wherein the border encircles the light guide plate and the light guide plate is accommodated in the border. The light guide plate comprises a light emergence face, a bottom face and an emergent light reflecting face, wherein the bottom face is opposite to the light emergence face; both edges of the emergent light reflecting face respectively adjoin to the light emergence face and the bottom face. The border comprises a side face and a surface, wherein the side face is opposite to the emergent light reflecting face of the light guide plate; the surface is opposite to the light emergence face of the light guide plate; the reflectivity of the surface of the border for visible light is between 30 percent and 75 percent; and light rays are reflected into the light guide plate by the surface. A reflector plate-free structure is adopted by the backlight module and the display module, so that the backlight module and the display module are light and thin, the working problem generated when the backlight module and the display module are produced is overcome, and the production cost is reduced. Meanwhile, the border has reflectivity, so that absorption of light can be controlled, and a propagation path of the light is improved. The light rays which are enough in ratio are reflected, and therefore, the problems that bright lines and bright spots are generated on a liquid crystal module or brightness is lowered are avoided.
Description
Technical field
The display module that the present invention relates to a kind of backlight module and use this backlight module specifically, relates to the display module of a kind of slimming, lighting, with and the backlight module that adopted.
Background technology
The backlight module of LCD MODULE includes backboard, LGP, reflector plate and glue frame usually, wherein the glue frame is located in the backboard periphery, and jointly define an accommodation space with backboard, being installed with LGP, and the reflector plate that has been sticked on the anti-incidence surface of LGP.
Along with display module towards slimming, lighting, and narrow frame (9.9/4.9mm) development, the LGP ultrathin has become a kind of inevitable trend.Yet LGP is thinner, the easier appearance of the attaching of the reflector plate problem in the operation such as tilt, float, come off, thereby increased the degree of difficulty of the attaching operation of reflector plate on the LGP.Therefore, omit the key subjects that the reflector plate that attaches on the LGP just becomes the LGP ultrathin.
Yet the reflector plate that omits on the LGP can make light directly be reflected by frame, so that LCD MODULE produces some problems because of the color of glue frame, such as: bright line, speck, brightness reduction etc.When frame 3 colors are black, because the reflectivity of dark border 3 is lower, can causes the energy loss on the light-emitting area of LGP 2, and make the LCD MODULE luminance shortage, shown in accompanying drawing 1.When border color is white, then can because the reflectivity of white size frame is too high, cause Liquid Crystal Module the problem of bright line and speck to occur.
Therefore, need to provide a kind of backlight module and display module, to overcome the shortcoming of above-mentioned prior art.
Summary of the invention
The purpose of this invention is to provide and a kind ofly need not to arrange reflector plate and attach the problem of reflector plate to avoid LGP to be difficult to, and avoid occurring the backlight module of the problems such as bright line, speck, brightness reduction and the display module of using this backlight module.
For achieving the above object, the technical solution used in the present invention is:
A kind of backlight module, comprise LGP, one is placed in wherein frame around described LGP and with described LGP, described LGP comprises an exiting surface, a bottom surface relative with described exiting surface, two edges are the anti-incidence surface adjacent with described exiting surface and described bottom surface respectively, described frame comprises the side relative with the anti-incidence surface of described LGP, the surface relative with the exiting surface of described LGP, described frame has reflectivity to visible light, the surface of described frame to the reflectivity of visible light between 30%-75%, described surface with light reflection to described LGP.
Preferably, the surface of described frame is grey.
Preferably, described frame integral body is grey.
Preferably, the material of described frame is plastic cement.
Preferably, also be added with glass fibre in the described frame.
Preferably, to account for the percentage by weight of described frame be 5%-15% to the described glass fibre of interpolation.
Preferably, it also comprises a backboard, and described backboard and described frame fasten and form an accommodation space, and described LGP is arranged in the described accommodation space.
Preferably, be provided with a reflector plate between described LGP and the described backboard.
Preferably, it comprise described backlight module, with the display floater of the corresponding setting of described backlight module.
Preferably, described display floater is liquid crystal panel.
Because technique scheme is used, the present invention compared with prior art has following advantages:
1, backlight module of the present invention and display module adopt the structure of areflexia sheet, so that it reaches lightening requirement, and have overcome its operation difficult problem that occurs aborning, have reduced production cost;
2, backlight module of the present invention and display module adopt the frame of certain reflectivity, it has reflectivity, can effectively control Optical Absorption, improve the propagation path of light, reflect the light of enough ratios, avoid liquid crystal module the problems such as bright line, speck or brightness reduction to occur.
Description of drawings
Accompanying drawing 2 is the partial sectional view of the embodiment one of backlight module of the present invention and display module.
In the above accompanying drawing: 1, backboard; 2, LGP; 3, frame.
100, display module; 102, display floater; 104, light; 120, backlight module; 122, LGP; 122a, exiting surface; 122b, bottom surface; 122c, anti-incidence surface; 124, frame; 124a, side; 124b, surface; 126, backboard;
140, backlight module; 142, reflector plate; 144, backboard; 146, LGP.
The specific embodiment
The invention will be further described below in conjunction with embodiment shown in the drawings.
Embodiment one: shown in accompanying drawing 2.A kind of display module 100 is mainly used in the products such as liquid crystal display, notebook computer, LCD TV.
This display module 100 comprise backlight module 120, with the display floater 102 of backlight module 120 corresponding settings.Wherein, display floater 102 is to be liquid crystal panel.
LGP 122 comprise a bottom surface 122b near the exiting surface 122a of display floater 102, relative with exiting surface 122a and close base plate, two edges respectively with the adjacent anti-incidence surface 122c of exiting surface 122a and bottom surface 122b, and adjacent two sides and the incidence surface of anti-incidence surface 122c.Frame 124 comprises the side 124a relative with the anti-incidence surface 122c of LGP 122, the surperficial 124b relative with the exiting surface 122a of LGP 122.Any reflector plate (such as the sideswipe sheet) is not set between the anti-incidence surface 122c of the side 124a of frame 124 and LGP 122.
The material of above-mentioned frame 124 is plastic cement, and it has reflectivity to visible light.Between 30%-75%, surperficial 124b reflexes to light 104 in the LGP 122 the surperficial 124b of frame 124, referring to the direction of propagation of the light shown in the arrow in the accompanying drawing 2 to the reflectivity of visible light.As long as the reflectivity of the surperficial 124b of frame 124 is between the scope of 30%-75%, even between the side 124a of the anti-incidence surface 122c of LGP 122 and frame 124 any reflector plate is not set, the problems such as the bright line that still can avoid bringing because of the color of frame 124, speck, brightness reduction are so present embodiment can avoid being difficult to attach on the anti-incidence surface 122c of LGP 122 problem of reflector plate.
When the surperficial 124b of frame 124 is grey, its reflectivity is between 30%-75%, so it is grey that the surperficial 124b of frame 124 is set in the present embodiment, also can frame 124 integral body or the part be set to grey, as long as guarantee that the surperficial 124b of frame 124 is grey.When frame 124 integral body are grey, on the anti-incidence surface 122c of LGP 122, need not to attach the reflector plate, the two sides of LGP 122 also need not to attach reflector plate, can further reduce the task difficulty that attaches reflector plate on the LGP 122 with this.
Add grey look female and dijection ejection formation in the plastic material of frame 124.In order to increase the intensity of frame 124, also be added with glass fibre in the frame 124, the percentage by weight that the glass fibre of interpolation accounts for frame 124 is 5%-15%.
Because frame and backboard are non-one-body molded, existing backlight module can be replaced by frame 124 of the present invention with the frame of its black or white.Can utilize existing mould, the color that closely changes the look mother who adds in the plastic material gets final product, and need not to develop new mould.
In addition, the incidence surface place of LGP 122 also is provided with light source.
Embodiment two: shown in accompanying drawing 3.A kind of display module, the difference of itself and embodiment one is: be provided with a reflector plate 142 between LGP 146 and the backboard 144, in order to increase the brightness of backlight module 140.The backlight module 140 of this display module comprises backboard 144, reflector plate 142, LGP 146, frame.
The below comes the advantage of above-mentioned two embodiment of comparative descriptions with comparative example one and comparative example two.Wherein, " the present invention's embodiment " is the backlight module of grey for the surface that is not provided with sideswipe sheet and frame; " comparative example one " for being provided with the sideswipe sheet and border color is the backlight module of black, and reflector plate be attached at four with the adjacent side in the exiting surface of LGP and bottom surface on; " comparative example two " be not for being provided with the sideswipe sheet and frame is the backlight module of black.Comparative result is as shown in the table.
As seen from the above table, the brightness of the brightness of the present invention's embodiment and comparative example one is suitable, and is higher than the brightness of comparative example two.In addition, the uniformity of the present invention's embodiment is high than the uniformity of comparative example one and comparative example two.
By above-mentioned embodiment as can be known, using advantage of the present invention is, the anti-incidence surface of frame and LGP over against the reflectivity on surface between about 30% to about 75%, and be not provided with any reflector plate between the anti-incidence surface of the side of frame and LGP, and can reduce the difficulty of the attaching operation of reflector plate on the LGP; Can develop in addition newer mould; Can more comprise reflector plate and be arranged between backboard and the LGP, to increase the brightness of backlight module.
Above-described embodiment only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the personage who is familiar with technique can understand content of the present invention and according to this enforcement, can not limit protection scope of the present invention with this.All equivalences that Spirit Essence is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (10)
1. backlight module, comprise LGP, one is placed in wherein frame around described LGP and with described LGP, described LGP comprises an exiting surface, a bottom surface relative with described exiting surface, two edges are the anti-incidence surface adjacent with described exiting surface and described bottom surface respectively, described frame comprises the side relative with the anti-incidence surface of described LGP, the surface relative with the exiting surface of described LGP, it is characterized in that: described frame has reflectivity to visible light, the surface of described frame to the reflectivity of visible light between 30%-75%, described surface with light reflection to described LGP.
2. backlight module according to claim 1, it is characterized in that: the surface of described frame is grey.
3. backlight module according to claim 1, it is characterized in that: described frame integral body is grey.
4. backlight module according to claim 1, it is characterized in that: the material of described frame is plastic cement.
5. backlight module according to claim 1 is characterized in that: also be added with glass fibre in the described frame.
6. narrow frame liquid crystal module according to claim 5, it is characterized in that: the percentage by weight that the described glass fibre of interpolation accounts for described frame is 5%-15%.
7. backlight module according to claim 1, it is characterized in that: it also comprises a backboard, and described backboard and described frame fasten and form an accommodation space, and described LGP is arranged in the described accommodation space.
8. backlight module according to claim 7 is characterized in that: be provided with a reflector plate between described LGP and the described backboard.
9. display module that adopts backlight module as claimed in claim 1 is characterized in that: it comprise described backlight module, with the display floater of the corresponding setting of described backlight module.
10. display module according to claim 9, it is characterized in that: described display floater is liquid crystal panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105131645A CN103032762A (en) | 2012-12-04 | 2012-12-04 | Backlight module and display module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105131645A CN103032762A (en) | 2012-12-04 | 2012-12-04 | Backlight module and display module |
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| CN103032762A true CN103032762A (en) | 2013-04-10 |
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| CN2012105131645A Pending CN103032762A (en) | 2012-12-04 | 2012-12-04 | Backlight module and display module |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103941325A (en) * | 2014-03-28 | 2014-07-23 | 京东方科技集团股份有限公司 | Light guide plate, manufacturing method of light guide plate, backlight module and display device |
| CN104570471A (en) * | 2013-10-23 | 2015-04-29 | 中强光电股份有限公司 | Display device |
| CN104879685A (en) * | 2015-05-20 | 2015-09-02 | 深圳市华锐博光电有限公司 | Backlight module and display screen thereof |
| CN105223732A (en) * | 2015-10-23 | 2016-01-06 | 京东方光科技有限公司 | Backlight and display device |
| CN105700241A (en) * | 2016-04-28 | 2016-06-22 | 京东方科技集团股份有限公司 | Backlight module, LCD panel and display device |
| CN108776402A (en) * | 2018-08-28 | 2018-11-09 | 广州供电局有限公司 | Three-phase backlight electric energy meter and its display module |
| CN109976040A (en) * | 2019-04-11 | 2019-07-05 | 深圳康佳电子科技有限公司 | A kind of reflecting glass backboard, backlight module, display device and intelligent terminal |
| CN110168437A (en) * | 2017-03-09 | 2019-08-23 | 欧姆龙株式会社 | Frame, planar light source device, display device and electronic equipment |
| CN111812875A (en) * | 2019-04-11 | 2020-10-23 | 苏州璨鸿光电有限公司 | Display device |
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| CN101430053A (en) * | 2008-12-11 | 2009-05-13 | 友达光电股份有限公司 | Backlight module and plane display device using the same |
| CN101694285A (en) * | 2009-10-21 | 2010-04-14 | 瑞仪光电(苏州)有限公司 | Light guide plate and backlight module provided therewith |
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| CN101430053A (en) * | 2008-12-11 | 2009-05-13 | 友达光电股份有限公司 | Backlight module and plane display device using the same |
| CN101694285A (en) * | 2009-10-21 | 2010-04-14 | 瑞仪光电(苏州)有限公司 | Light guide plate and backlight module provided therewith |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104570471A (en) * | 2013-10-23 | 2015-04-29 | 中强光电股份有限公司 | Display device |
| TWI509314B (en) * | 2013-10-23 | 2015-11-21 | Coretronic Corp | Display device |
| CN103941325A (en) * | 2014-03-28 | 2014-07-23 | 京东方科技集团股份有限公司 | Light guide plate, manufacturing method of light guide plate, backlight module and display device |
| CN104879685A (en) * | 2015-05-20 | 2015-09-02 | 深圳市华锐博光电有限公司 | Backlight module and display screen thereof |
| CN104879685B (en) * | 2015-05-20 | 2018-08-07 | 深圳市华锐博光电有限公司 | Backlight module and its display screen |
| CN105223732B (en) * | 2015-10-23 | 2018-03-16 | 京东方光科技有限公司 | Backlight and display device |
| CN105223732A (en) * | 2015-10-23 | 2016-01-06 | 京东方光科技有限公司 | Backlight and display device |
| US10261238B2 (en) | 2015-10-23 | 2019-04-16 | Boe Technology Group Co., Ltd. | Blacklight source and display device |
| CN105700241A (en) * | 2016-04-28 | 2016-06-22 | 京东方科技集团股份有限公司 | Backlight module, LCD panel and display device |
| CN110168437A (en) * | 2017-03-09 | 2019-08-23 | 欧姆龙株式会社 | Frame, planar light source device, display device and electronic equipment |
| CN108776402A (en) * | 2018-08-28 | 2018-11-09 | 广州供电局有限公司 | Three-phase backlight electric energy meter and its display module |
| CN108776402B (en) * | 2018-08-28 | 2023-11-21 | 广东电网有限责任公司广州供电局 | Three-phase backlight electric energy meter and display module thereof |
| CN109976040A (en) * | 2019-04-11 | 2019-07-05 | 深圳康佳电子科技有限公司 | A kind of reflecting glass backboard, backlight module, display device and intelligent terminal |
| CN111812875A (en) * | 2019-04-11 | 2020-10-23 | 苏州璨鸿光电有限公司 | Display device |
| CN111812875B (en) * | 2019-04-11 | 2023-03-28 | 苏州璨鸿光电有限公司 | Display device |
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Application publication date: 20130410 |