CN103697416A - Backlight module and display device - Google Patents
Backlight module and display device Download PDFInfo
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- CN103697416A CN103697416A CN201310662588.2A CN201310662588A CN103697416A CN 103697416 A CN103697416 A CN 103697416A CN 201310662588 A CN201310662588 A CN 201310662588A CN 103697416 A CN103697416 A CN 103697416A
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- backlight module
- hole
- positioning convex
- blooming piece
- convex portion
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Abstract
The invention provides a backlight module and a display device. The backlight module comprises a light guide plate, a back plate, an optical film, frame sealing glue and a light shielding assembly, wherein the back plate is arranged at one side of the light guide plate, a positioning convex part is arranged on the back plate, the optical film is arranged at one side, far away from the back plate, of the light guide plate, a positioning notch used for allowing the positioning convex part to be inserted for realizing the matching effect with the positioning convex part and realizing the assembly positioning on the optical film is formed in the optical film, the frame sealing glue is arranged on the periphery of the circumference of the light guide plate and at least comprises a covering part, the covering part is positioned at one side, far away from the light guide plate, of the optical film and covers the edge position of the optical film, an avoiding hole which corresponds to the position of the positioning convex part and is used for avoiding the positioning convex part arranged on the back plate is formed in the covering part, the light shielding assembly is used for covering and shielding the avoiding hole, and is arranged in a position corresponding to the avoiding hole. The back light module provided by the invention has the advantages that the light shielding assembly is arranged in the position of the avoiding hole of the glue sealing frame, and the point light leakage phenomenon caused by the existence of the avoiding hole in the frame sealing glue of the back light module can be avoided.
Description
Technical field
The present invention relates to Display Technique field, relate in particular to a kind of backlight module and display unit.
Background technology
Owing to using the advantages such as operating voltage is low, power consumption is little, display mode is flexible, radiation is low, liquid crystal display (Liquid Crystal Display, LCD) is widely used in various fields, as fields such as computer, mobile phone, TV and measurement demonstrations.LCD comprises display panels, and display panels comprises thin film transistor base plate, color film and is folded in the layer of liquid crystal molecule between two substrates.In addition, LCD also comprises backlight module, is used to display panels that light source is provided, and makes LCD displayable image.
Be illustrated in figure 1 the structural representation of traditional backlight module.As shown in Figure 1, traditional backlight module comprises backboard 10(Back Cover), frame 20(Bezel), sealed plastic box 30(Mold Frame), blooming piece 40(Optical Sheet), LGP 50(LGP) and LED lamp bar etc., the 10a(sheet guide of positioning convex portion being wherein designed with on backboard 10), edge designs at blooming piece 40 has the locating notch 40a corresponding with the described positioning convex 10a of portion, can facilitate thus blooming piece 40 and backboard 10 to assemble, and can play fixing effect to blooming piece 40, for fear of the 10a of positioning convex portion and sealed plastic box 30 generation frictions on backboard 10, there is chip in the while, and in entry of backlight source, cause the bad generation of foreign matter, the height of the 10a of positioning convex portion on backboard 10 is unsuitable too high, can have in the relevant position of sealed plastic box 30 and dodge hole 30a simultaneously, to avoid the 10a of positioning convex portion.
In backlight module in the prior art, because the height of the 10a of positioning convex portion is unsuitable too high, when blooming piece 40 is assembled conventionally, should not operate, simultaneously after assembling, the factors such as warped due to material, blooming piece 40 easily comes off from the matching part of the 10a of positioning convex portion and locating notch 40a, causes assembling to occur the situation that blooming piece 40 is damaged by pressure; Simultaneously due to the correspondence position of sealed plastic box 30, offer and dodge hole 30a, from observing with great visual angle, easily the situation of origination point light leak, has influence on the picture quality that client uses.
The major programme addressing the above problem is at present that width by widening silicon rubber (silicon rubber) is to shelter from the hole of dodging in sealed plastic box, or sealed plastic box is made closed state (being not arrange and dodge hole in sealed plastic box), but the problem of doing is like this silicon rubber has attaching error in attaching process, can increase cost simultaneously, if and will in sealed plastic box, dodge hole sealing, very easily with backboard on positioning convex portion friction produce chip, and cause the problem that foreign matter scratches.
Summary of the invention
The object of this invention is to provide a kind of backlight module and display unit, can improve due to the phenomenon that hole exists the some light leak causing of dodging in sealed plastic box.
Technical scheme provided by the present invention is as follows:
A backlight module, described backlight module comprises:
LGP;
The backboard that is arranged at described LGP one side, is provided with positioning convex portion on described backboard;
Be arranged at the blooming piece away from backboard one side of described LGP, on described blooming piece, be provided with for inserting for described positioning convex portion, to coordinate with described positioning convex portion, described blooming piece is assembled to the locating notch of locating;
Be arranged at the sealed plastic box of described LGP surrounding periphery, described sealed plastic box at least comprises the side away from described LGP that is positioned at described blooming piece, and cover the covering part of the marginal position of described blooming piece, in described covering part, be provided with corresponding with described positioning convex portion position for dodging the hole of dodging of positioning convex portion on described backboard; And,
Be used for covering the light shield device of dodging hole described in sheltering from, described in described light shield device is arranged at, dodge opposite position place, hole.
Further, described light shield device comprises flexible shading pad.
Further, described in described positioning convex portion at least a portion is positioned at, dodge hole, described flexible shading pad envelopes a part of dodging hole described in being positioned at of described positioning convex portion, and plug is dodged in hole described in being loaded on.
Further, described at least another part of described flexible shading pad stretches out, dodge outside hole, and push down the outer rim of the locating notch of described blooming piece.
Further, described flexible shading pad adopts rubber sheet gasket to make.
Further, described light shield device is positioned at the side away from described blooming piece of the covering part of described sealed plastic box, and the position of described light-blocking member with described in to dodge hole site corresponding, described at least covering, dodge hole.
Further, described light shield device between the covering part and described blooming piece of described sealed plastic box, and the position of described light-blocking member with described in to dodge hole site corresponding, described at least covering, dodge hole.
Further, described backlight module also comprises: the frame that is arranged at described sealed plastic box periphery; Be arranged at the reflector plate between described LGP and described backboard.
A display unit, comprises display floater, also comprises backlight module as above.
Beneficial effect of the present invention is as follows:
Such scheme, the hole site of dodging by the sealed plastic box at backlight module arranges a light shield device, can be guaranteeing that blooming piece assembling is convenient, in fixation, improve due to the phenomenon of dodging the some light leak that the existence in hole causes in backlight module sealed plastic box.
Accompanying drawing explanation
Fig. 1 is the structural representation of backlight module of the prior art;
The structural representation of the first embodiment that Fig. 2 is the backlight module that provides in the present invention;
Fig. 3 is the structural representation of the second embodiment of backlight module provided by the present invention;
Fig. 4 is the structural representation of the third embodiment of backlight module provided by the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, principle of the present invention and feature are described, example, only for explaining the present invention, is not intended to limit scope of the present invention.
As shown in Figures 2 to 4, the invention provides a kind of backlight module, it comprises:
LGP 500;
Be arranged at the backboard 100 of described LGP 500 1 sides, on described backboard 100, be provided with positioning convex portion 101;
Be arranged at the blooming piece 400 away from backboard 100 1 sides of described LGP 500, on described blooming piece 400, be provided with for the described positioning convex of confession portion 101 and insert, to coordinate with described positioning convex portion 101, described blooming piece 400 is assembled to the locating notch 401 of location;
Be arranged at the sealed plastic box 300 of described LGP 500 surrounding peripheries, described sealed plastic box 300 at least comprises the side away from described LGP 500 that is positioned at described blooming piece 400, and cover the covering part 301 of the marginal position of described blooming piece 400, in described covering part 301, be provided with and corresponding with described positioning convex portion 101 positions for what dodge positioning convex portion 101 on described backboard 100, dodge hole 302; And,
Be used for covering the light shield device 600 of dodging hole 302 described in sheltering from, described in described light shield device 600 is arranged at, dodge 302 opposite position places, hole.
In such scheme, on the one hand, by positioning convex portion 101 is set on backboard 100, and locating notch 401 is set respectively in blooming piece 400 and sealed plastic box 300 and dodges hole 302, can guarantee that blooming piece 400 is easy to assembly, fixation, and can be due to sealed plastic box 300 and positioning convex portion 101 friction generation foreign matters, on the other hand, by 302 positions, hole of dodging in sealed plastic box 300, light shield device 600 is set, can prevents due to the generation of dodging the existence in hole 302 and cause a light leakage phenomena.
As can be seen here, backlight module provided by the present invention arranges a light shield device 600 by 302 positions, hole of dodging of the sealed plastic box 300 at backlight module, can be guaranteeing that blooming piece 400 is easy to assembly, in fixation, improve due to the phenomenon of dodging the some light leak that the existence in hole 302 causes in backlight module sealed plastic box 300.
In the first preferred embodiment provided by the present invention, described light shield device 600 adopts a flexible shading pad to realize.In the present embodiment, preferred, described in being arranged in the following manner, described flexible shading pad dodges 302 places, hole:
As shown in Figure 2, described in being positioned at, at least a portion of described positioning convex portion 101 dodges hole 302, at least a portion of described flexible shading pad envelopes a part of dodging hole 302 described in being positioned at of described positioning convex portion 101, and plug is dodged in hole 302 described in being loaded on.Such scheme, can be after having assembled blooming piece 400 and backboard 100, then fill a flexible shading pad in dodging the interior plug in hole 302, easy to assembly.
In addition, in the present embodiment, preferred, as shown in Figure 2, described at least another part of described flexible shading pad stretches out, dodge outside hole 302, and push down the outer rim of the locating notch 401 of described blooming piece 400.Adopt such scheme, because flexible shading pad plug is loaded on, dodge in hole 302, and a part can stretch out and push down blooming piece 400, thereby can further to blooming piece 400, play fixation.
In addition, in the present embodiment, this flexible shading pad can adopt rubber sheet gasket to make.
Certainly can understand, in actual applications, light shield device 600 can be also to adopt other structures, other materials or other modes to be arranged to dodge 302 places, hole.Below illustrate other embodiments of light shield device 600 in backlight module provided by the present invention.
Figure 3 shows that the schematic diagram of the second embodiment of light shield device 600 in backlight module provided by the present invention.As shown in Figure 3, in the present embodiment, described light shield device 600 is positioned at the side away from described blooming piece 400 of the covering part 301 of described sealed plastic box 300, and the position of described light-blocking member with described in to dodge 302 positions, hole corresponding, and described at least covering, dodge hole 302.
Figure 4 shows that the schematic diagram of the third embodiment of light shield device 600 in backlight module provided by the present invention.As shown in Figure 4, in the present embodiment, described light shield device 600 between the covering part 301 and described blooming piece 400 of described sealed plastic box 300, and the position of described light-blocking member with described in to dodge 302 positions, hole corresponding, and described at least covering, dodge hole 302.
It should be noted that, above is only several preferred set-up mode of light shield device 600 in backlight module provided by the present invention, should be understood that, in actual applications, the set-up mode of light shield device 600 is also not only confined to this, at this, will not enumerate.
It should be noted that in addition, backlight module provided by the present invention can also comprise: be arranged at the frame 200 of described sealed plastic box 300 peripheries, the LED lamp bar etc. that is arranged at the reflector plate 700 between described LGP 500 and described backboard 100 and is arranged at the light inlet side of LGP 500.
An also object of the present invention is to provide a kind of display unit, and as shown in Figures 2 to 4, it comprises display floater 800 and backlight module provided by the present invention.Obviously, display unit provided by the present invention also has the beneficial effect that backlight module provided by the present invention brings.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. a backlight module, is characterized in that, described backlight module comprises:
LGP;
The backboard that is arranged at described LGP one side, is provided with positioning convex portion on described backboard;
Be arranged at the blooming piece away from backboard one side of described LGP, on described blooming piece, be provided with for inserting for described positioning convex portion, to coordinate with described positioning convex portion, described blooming piece is assembled to the locating notch of locating;
Be arranged at the sealed plastic box of described LGP surrounding periphery, described sealed plastic box at least comprises the side away from described LGP that is positioned at described blooming piece, and cover the covering part of the marginal position of described blooming piece, in described covering part, be provided with corresponding with described positioning convex portion position for dodging the hole of dodging of positioning convex portion on described backboard; And,
Be used for covering the light shield device of dodging hole described in sheltering from, described in described light shield device is arranged at, dodge opposite position place, hole.
2. backlight module according to claim 1, is characterized in that, described light shield device comprises flexible shading pad.
3. backlight module according to claim 2, it is characterized in that, described in described positioning convex portion at least a portion is positioned at, dodge hole, described flexible shading pad at least a portion envelopes a part of dodging hole described in being positioned at of described positioning convex portion, and plug is dodged in hole described in being loaded on.
4. backlight module according to claim 3, is characterized in that, dodges outside hole, and push down the outer rim of the locating notch of described blooming piece described at least another part of described flexible shading pad stretches out.
5. backlight module according to claim 2, is characterized in that, described flexible shading pad adopts rubber sheet gasket to make.
6. backlight module according to claim 1, it is characterized in that, described light shield device is positioned at the side away from described blooming piece of the covering part of described sealed plastic box, and the position of described light-blocking member with described in to dodge hole site corresponding, described at least covering, dodge hole.
7. backlight module according to claim 1, is characterized in that, described light shield device between the covering part and described blooming piece of described sealed plastic box, and the position of described light-blocking member with described in to dodge hole site corresponding, described at least covering, dodge hole.
8. backlight module according to claim 1, is characterized in that, described backlight module also comprises: the frame that is arranged at described sealed plastic box periphery; Be arranged at the reflector plate between described LGP and described backboard.
9. a display unit, comprises display floater, it is characterized in that, also comprises the backlight module as described in claim 1 to 8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310662588.2A CN103697416B (en) | 2013-12-09 | 2013-12-09 | Backlight module and display device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310662588.2A CN103697416B (en) | 2013-12-09 | 2013-12-09 | Backlight module and display device |
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| CN103697416A true CN103697416A (en) | 2014-04-02 |
| CN103697416B CN103697416B (en) | 2016-03-02 |
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Cited By (10)
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| CN104456327A (en) * | 2014-12-24 | 2015-03-25 | 合肥鑫晟光电科技有限公司 | Backlight module and display device |
| CN104614881A (en) * | 2015-02-04 | 2015-05-13 | 深圳市华星光电技术有限公司 | Liquid crystal display device |
| CN104714314A (en) * | 2013-12-12 | 2015-06-17 | 群创光电股份有限公司 | Displayer shell and display device |
| CN105223730A (en) * | 2015-10-08 | 2016-01-06 | 武汉华星光电技术有限公司 | Backlight module and liquid crystal display |
| CN106292067A (en) * | 2016-09-07 | 2017-01-04 | 青岛海信电器股份有限公司 | A kind of compound shading sealing member, backlight module and liquid crystal indicator |
| CN107085326A (en) * | 2017-07-04 | 2017-08-22 | 京东方科技集团股份有限公司 | Backlight module, liquid crystal display device and its assemble method |
| CN107924078A (en) * | 2015-08-31 | 2018-04-17 | 堺显示器制品株式会社 | Display device |
| CN113359350A (en) * | 2021-06-16 | 2021-09-07 | 武汉华星光电技术有限公司 | Backlight module and display panel |
| CN114093244A (en) * | 2021-11-18 | 2022-02-25 | 武汉华星光电技术有限公司 | Backlight module and electronic device |
| WO2023133918A1 (en) * | 2022-01-13 | 2023-07-20 | 武汉华星光电技术有限公司 | Backlight module and liquid crystal display apparatus |
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| CN107085326A (en) * | 2017-07-04 | 2017-08-22 | 京东方科技集团股份有限公司 | Backlight module, liquid crystal display device and its assemble method |
| CN113359350A (en) * | 2021-06-16 | 2021-09-07 | 武汉华星光电技术有限公司 | Backlight module and display panel |
| CN114093244A (en) * | 2021-11-18 | 2022-02-25 | 武汉华星光电技术有限公司 | Backlight module and electronic device |
| WO2023133918A1 (en) * | 2022-01-13 | 2023-07-20 | 武汉华星光电技术有限公司 | Backlight module and liquid crystal display apparatus |
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| CN103697416B (en) | 2016-03-02 |
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