CN205334013U - Backlight unit's gluey frame, backlight unit and liquid crystal disply device - Google Patents
Backlight unit's gluey frame, backlight unit and liquid crystal disply device Download PDFInfo
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- CN205334013U CN205334013U CN201521106305.7U CN201521106305U CN205334013U CN 205334013 U CN205334013 U CN 205334013U CN 201521106305 U CN201521106305 U CN 201521106305U CN 205334013 U CN205334013 U CN 205334013U
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- glue frame
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Abstract
The utility model discloses a backlight unit's gluey frame, backlight unit and liquid crystal disply device, wherein, the internal surface of gluing the frame is equipped with the recess with the holding backlight unit's optics diaphragm group, the edge of optics diaphragm group stretches into the recess, the recess has diapire, roof and lateral wall, the diapire is used for supporting optics diaphragm group, the roof with between the optics diaphragm group, and the lateral wall with the clearance all has between the terminal surface of optics diaphragm group. The utility model discloses technical scheme can put forward high back optical module's luminous homogeneity.
Description
Technical field
This utility model relates to technical field of liquid crystal display, particularly to the glue frame of a kind of backlight module, backlight module and liquid crystal indicator。
Background technology
It is known that existing liquid crystal indicator (such as television set) suffers from relatively wide frame, and along with the raising of technical merit and masses are to aesthetic overcritical of outward appearance so that the design of narrow frame is increasingly favored。As it is shown in figure 1, the part section structural representation of the backlight module that Fig. 1 is available liquid crystal display device, in figure, direction shown in arrow is the trend of light。This liquid crystal indicator includes light guide plate 60 ＇, be arranged on light guide plate 60 ＇ exiting surface optical diaphragm group 70 ＇, for housing and glue frame 90 ＇ and liquid crystal panel 80 ＇ of lightguide plate fixing 60 ＇ and optical diaphragm group 70 ＇, this liquid crystal panel 80 ＇ has effective display area 81 ＇ and invalid viewing area 82 ＇。Narrow frame (frame of below 5.3mm) for realizing liquid crystal indicator designs, the Edge Distance at the edge of optical diaphragm group 70 ＇ Yu effective display area 81 ＇ of liquid crystal panel 80 ＇ would generally significantly be reduced by existing liquid crystal indicator, the brightness requirement of the area and liquid crystal panel 80 ＇ edge for ensureing effective display area 81 ＇ simultaneously, the frame glue of glue frame 90 ＇ enters the length of optical diaphragm group 70 ＇ and also shortens therewith, there is the characteristic of optically focused yet with the edge of optical diaphragm group 70 ＇, light (such as Fig. 1 arrow) can carry out scattering repeatedly and refraction at the marginal area of optical diaphragm group 70 ＇, finally penetrate from the ＇ edge, effective display area 81 of liquid crystal panel 80 ＇, so can cause the brightness brightness apparently higher than centre at liquid crystal indicator edge, affect the display effect of liquid crystal indicator。
Utility model content
Main purpose of the present utility model is to provide the glue frame of a kind of backlight module, it is intended to improve the uniformity of luminance of backlight module。
For achieving the above object, the utility model proposes the glue frame of a kind of backlight module, the inner surface of described glue frame is provided with the groove optical diaphragm group with accommodating described backlight module, the edge of described optical diaphragm group stretches into described groove, described groove has diapire, roof and sidewall, described diapire, in order to support described optical diaphragm group, between described roof and described optical diaphragm group, and is respectively provided with gap between the end face of described sidewall and described optical diaphragm group。
Preferably, described glue frame includes side frame and the convex edge extended inside side frame, and a surface of described convex edge abuts with light guide plate, and another surface is used for supporting liquid crystal panel, and described groove is positioned on the end face of described convex edge。
Preferably, described convex edge is respectively provided on two sides with occlusion part and support portion up and down in described groove, described support portion and described occlusion part are encircled into described groove, and described support portion is in order to support described optical diaphragm group, and the length of described support portion is more than the length of described occlusion part。
Preferably, the end face of described support portion is concordant with the edge of the effective display area of described liquid crystal panel。
Preferably, the end face of described support portion and be formed with chamfering between the surface of described optical diaphragm group。
Preferably, described chamfering is 30 degree to 60 degree。
Preferably, the surface abutted with described light guide plate of described convex edge is provided with the first storage tank, and described first storage tank is equipped with sealing gasket。
Preferably, the surface towards described liquid crystal panel of described convex edge is provided with the second storage tank, and described second storage tank is equipped with sealing gasket。
This utility model also proposes a kind of backlight module, described backlight module includes light guide plate, optical diaphragm group, liquid crystal panel and glue frame, described optical diaphragm group is between the exiting surface and described liquid crystal panel of described light guide plate, and described liquid crystal panel is set up on described glue frame；The inner surface of described glue frame is provided with groove with accommodating described optical diaphragm group, the edge of described optical diaphragm group stretches into described groove, described groove has diapire, roof and sidewall, described diapire is in order to support described optical diaphragm group, between described roof and described optical diaphragm group, and it is respectively provided with gap between the end face of described sidewall and described optical diaphragm group。
This utility model also proposes a kind of liquid crystal indicator, described liquid crystal indicator includes backlight module, described backlight module includes light guide plate, optical diaphragm group, liquid crystal panel and glue frame, described optical diaphragm group is between the exiting surface and described liquid crystal panel of described light guide plate, and described liquid crystal panel is set up on described glue frame；The inner surface of described glue frame is provided with groove with accommodating described optical diaphragm group, the edge of described optical diaphragm group stretches into described groove, described groove has diapire, roof and sidewall, described diapire is in order to support described optical diaphragm group, between described roof and described optical diaphragm group, and it is respectively provided with gap between the end face of described sidewall and described optical diaphragm group。
Technical solutions of the utility model arrange groove to install optical diaphragm group by adopting on glue frame, namely the edge of optical diaphragm group stretches in this groove, the end face of optical diaphragm group can be blocked by this groove, such light produced high light under the optically focused effect of the end face of optical diaphragm group is blocked by groove, it is to avoid high light makes the generation higher than intermediate luminance phenomenon of the backlight module edge brightness through the effective display area of liquid crystal panel。Simultaneously, because the edge of optical diaphragm group can stretch in groove, therefore the length and width size of optical diaphragm group can be relatively bigger, thus the end face of optical diaphragm group can be increased to the distance between edge, effective display area, and reduces the light after groove reflection from the injection of effective display area。
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to the structure according to these accompanying drawings obtains other accompanying drawing。
Fig. 1 is the part section structural representation of the backlight module of available liquid crystal display device；
Fig. 2 is the part section structural representation of this utility model backlight module one embodiment；
Fig. 3 is that in Fig. 2, the light in backlight module propagates schematic diagram。
Drawing reference numeral illustrates:
The realization of this utility model purpose, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing。
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present utility model, rather than whole embodiments。Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection。
Need explanation, in this utility model embodiment, directional instruction (such as up, down, left, right, before and after ...) is only for explaining relative position relation between each parts, motion conditions etc. under a certain particular pose (as shown in drawings), if this particular pose changes, then directionality instruction also correspondingly changes therewith。
It addition, relate to the description of " first ", " second " etc. in this utility model only for descriptive purposes, and it is not intended that instruction or imply its relative importance or the implicit quantity indicating indicated technical characteristic。Thus, define " first ", the feature of " second " can express or implicitly include at least one this feature。Additionally; technical scheme between each embodiment can be combined with each other; but must be based on those of ordinary skill in the art are capable of; when technical scheme combination occur conflicting maybe cannot realize time will be understood that the combination of this technical scheme is absent from, also not this utility model require protection domain within。
The utility model proposes the glue frame of a kind of backlight module。
In this utility model embodiment, refer to the part section structural representation that Fig. 2, Fig. 2 are this utility model backlight module one embodiment。The inner surface of described glue frame 90 is provided with the groove 924 optical diaphragm group 70 with accommodating described backlight module, the edge of described optical diaphragm group 70 stretches into described groove 924, so that the distance between the edge of described optical diaphragm group 70 to the edge, effective display area 81 of liquid crystal panel 80 increases。Described groove 924 has diapire, roof and sidewall, and described diapire is in order to support described optical diaphragm group 70。Between described roof and described optical diaphragm group 70, and it is respectively provided with gap between described sidewall and the end face of described optical diaphragm group 70, this gap reserves certain space can to optical diaphragm group 70, to ensure the optical diaphragm group 70 contraction or expansion when variations in temperature。
Technical solutions of the utility model arrange groove 924 to install optical diaphragm group 70 by adopting on glue frame 90, namely the edge of optical diaphragm group 70 stretches in this groove 924, the end face of optical diaphragm group 70 can be blocked by this groove 924, such light produced high light under the optically focused effect of the end face of optical diaphragm group 70 is blocked by groove 924, it is to avoid high light makes the generation higher than intermediate luminance phenomenon of the backlight module edge brightness through the effective display area 81 of liquid crystal panel 80。Simultaneously, because the edge of optical diaphragm group 70 can stretch in groove 924, therefore the length and width size of optical diaphragm group can be relatively bigger, thus the distance that can increase between the edge, edge to effective display area 81 of optical diaphragm group 70, and reduce the light after groove 924 reflects from the injection of effective display area 81。
Liquid crystal indicator for ultra-narrow frame (5.3mm is with lower frame), owing to the edge of optical diaphragm group 70 has the characteristic of optically focused, so owing to frame is narrow, the distance at the edge of the Edge Distance effective display area 81 of optical diaphragm group 70 is too small, simultaneously when glue frame 90 is adopted easy reflective color such as white, the reflective of white size frame 90 with under the dual function of the optically focused at optical diaphragm group 70 edge, cause that backlight module edge brightness is substantially higher, this utility model passes through arrange groove 924 on glue frame 90 can light be blocked, reduce reflective effect, reduce liquid crystal indicator edge brightness。
But, liquid crystal indicator for oversize (more than or equal to 65 cun), for ensureing installation reliability, glue frame 90 should be bigger to the loading end of optical diaphragm group 70, the groove of described glue frame 90 is put at the edge of described optical diaphragm group 70 by above-mentioned design so that the distance that glue frame 90 extend on light guide plate 60 is longer, and such glue frame 90 easily extends to overlapping with effective display area 81, and stopping that light is through effective display area 81 so that there is blanking bar in edge in backlight module。
Preferably, described glue frame 90 includes side frame 91 and the convex edge 92 extended inside side frame 91, and a surface of described convex edge 92 abuts with light guide plate 60, and another surface is used for supporting liquid crystal panel 80, and described groove 924 is positioned on the end face of described convex edge 92。In this utility model, by the form of fluting on convex edge 92, relative to directly slotting on side frame 91, it is possible to ensure the intensity of side frame 91。Meanwhile, liquid crystal panel 80 is had better support effect by this convex edge 92, and coordinates also convenient with the abutting of light guide plate 60。
Preferably, described convex edge 92 is respectively provided on two sides with occlusion part 922 and support portion 921 up and down in described groove 924, described support portion 921 is encircled into described groove with described occlusion part 922, described support portion 924 is in order to support described optical diaphragm group 70,, the length of described support portion 921 is more than the length of described occlusion part 922。In the present embodiment, the longer optical diaphragm group 70 that can better support in support portion 921, and the too much of light is stopped by shorter minimizing of occlusion part 922。
Preferably, the projection on described liquid crystal panel 80 of the described support portion 921 is positioned at the invalid viewing area 82 of described liquid crystal panel 80, or, the end face of described support portion 921 is concordant with the edge of the effective display area 81 of described liquid crystal panel 80。In the present embodiment, if support portion 921 is long, then causes the exiting surface too much blocking light guide plate 60, have influence on out light, and, if support portion 921 extends in the view field of effective display area 81, then make effective display area 81 that dark side problem occurs。Therefore, in the present embodiment, the set-up mode of support portion 921 is it can be avoided that dark side problem occurs in backlight module。
Preferably, the end face of described support portion 921 and be formed with chamfering 923 between the surface of described optical diaphragm group 70。In the present embodiment, described chamfering 923 is preferably 30 degree to 60 degree。By arranging chamfering 923, it is possible to increase the propagation regions of light, the propagation of light is had guiding function so that light can be injected in groove 924 along chamfering 923 more simultaneously, be conducive to the propagation of light, and reflecting effect can be strengthened。And for the liquid crystal indicator of oversize (more than or equal to 65 cun), even if the view field that glue frame 90 extends to effective display area 81 partly overlaps, owing to the design of chamfering 923 increases the propagation regions of light, therefore can reduce the support portion 921 of glue frame 90 and light blocked effect, it is to avoid the appearance of liquid crystal indicator dark side phenomenon。
Specifically, as it is shown on figure 3, Fig. 3 is that in Fig. 2, the light in backlight module propagates schematic diagram, in figure, direction shown in arrow is the trend of light。Light is after described light guide plate 60 penetrates, described optical diaphragm group 70 occurs reflection and refraction, reflected light line arrives on the inclined-plane that chamfering 923 is formed, and reflect on this inclined-plane, this light is reflexed in described optical diaphragm group 70 again, and penetrates through described effective display area 81。The light being refracted continues to occur the refraction of different directions in described optical diaphragm group 70, wherein, a part of light directly penetrates through described effective display area 81, a part of light is blocked by described invalid viewing area 82, some light is then blocked by the occlusion part 922 of described groove 924 or is reflected to change direction by groove 924 and be deactivated viewing area 82 and block, and so reaches to reduce the purpose of light injection。
Preferably, the surface abutted with described light guide plate 60 of described convex edge 92 is provided with the first storage tank 925, and described first storage tank 925 is equipped with sealing gasket 40。In the present embodiment, by installing such as the sealing gaskets such as rubber 40 in the first storage tank 925, this sealing gasket 40 contacts with light guide plate 60, and compress laminating with light guide plate 60 under the compressing of support portion 921, the generation of light leakage phenomena can prevent the light after light guide plate 60 penetrates from spilling from light guide plate 60 edge, thus can be avoided。
Preferably, the surface towards described liquid crystal panel 80 of described convex edge 92 is provided with the second storage tank 926, and described second storage tank 926 is equipped with sealing gasket 40。Contact with invalid viewing area 82 by installing sealing gasket 40 in the second storage tank 926, invalid viewing area 82 can be made to fit tightr with convex edge 92, it is prevented that light spills formation light leakage phenomena from the edge of invalid viewing area 82。
This utility model also proposes a kind of backlight module, described backlight module includes glue frame 90 as above, the concrete structure of this glue frame 90 is with reference to above-described embodiment, owing to this backlight module have employed whole technical schemes of above-mentioned all embodiments, therefore at least having all beneficial effects that the technical scheme of above-described embodiment is brought, this is no longer going to repeat them。
In this utility model, this backlight module includes backboard 10, light source 20, reflector plate 50, light guide plate 60, optical diaphragm group 70, liquid crystal panel 80 and glue frame 90。Described light source 20 is arranged on bottom surface or the side of described light guide plate 60, in the present embodiment, is arranged on described light guide plate 60 side for described light source 20 and illustrates, but be not limited to this。For dispelling the heat better, being provided with heat sink at the back side of described light source 20, described light source 20 is arranged on described heat sink。Described heat sink is preferably aluminium sheet, and includes the first plate body 31 for installing described light source 20 and the second plate body 32 extended by the end vertical of described first plate body 31, and described second plate body 32 is positioned at the bottom surface of described light guide plate 60。Reflector plate 50 is between light guide plate 60 and described second plate body 32。For reducing the crimp of reflector plate 50, being provided with sealing gasket 40 between the second plate body 32 and described reflector plate 50, the material of this sealing gasket 40 is generally flexible glue, therefore, it is possible to the extruding force of light guide plate 60 is played cushioning effect。Backboard 10 includes the base plate 12 for carrying light guide plate 60, and is extended vertically the side plate 11 formed by base plate 12, and described side frame 91 is provided with breach to engage described side plate 11 with the junction of described convex edge 92。In the present embodiment, fix backboard 10 by the mode engaged, have and simple and reliable effect is installed。Optical diaphragm group 70 is positioned on the exiting surface of light guide plate 60, and extend in groove 924, to be supported by glue frame 90。Liquid crystal panel 80 is stacked in optical diaphragm group 70, and is set up on convex edge 92。Liquid crystal panel 80 includes effective display area 81 and invalid viewing area 82, the edge of effective display area 81 surrounding is provided with black surround and forms invalid viewing area 82。
This utility model also proposes a kind of liquid crystal indicator, described liquid crystal indicator includes backlight module as above, the concrete structure of this backlight module is with reference to above-described embodiment, owing to this liquid crystal indicator have employed whole technical schemes of above-mentioned all embodiments, therefore at least having all beneficial effects that the technical scheme of above-described embodiment is brought, this is no longer going to repeat them。Liquid crystal indicator of the present utility model is owing to have employed above-mentioned backlight module so that the viewing area of this liquid crystal indicator has luminous uniform effect。
The foregoing is only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every under inventive concept of the present utility model; utilize the equivalent structure transformation that this utility model description and accompanying drawing content are made, or directly/be indirectly used in other relevant technical fields and be included in scope of patent protection of the present utility model。
Claims (10)
1. the glue frame of a backlight module, it is characterized in that, the inner surface of described glue frame is provided with the groove optical diaphragm group with accommodating described backlight module, the edge of described optical diaphragm group stretches into described groove, described groove has diapire, roof and sidewall, described diapire, in order to support described optical diaphragm group, between described roof and described optical diaphragm group, and is respectively provided with gap between the end face of described sidewall and described optical diaphragm group。
2. the glue frame of backlight module as claimed in claim 1, it is characterized in that, described glue frame includes side frame and the convex edge extended inside side frame, and a surface of described convex edge abuts with light guide plate, another surface is used for supporting liquid crystal panel, and described groove is positioned on the end face of described convex edge。
3. the glue frame of backlight module as claimed in claim 2, it is characterized in that, described convex edge is respectively provided on two sides with occlusion part and support portion up and down in described groove, described support portion and described occlusion part are encircled into described groove, described support portion is in order to support described optical diaphragm group, and the length of described support portion is more than the length of described occlusion part。
4. the glue frame of backlight module as claimed in claim 3, it is characterised in that the end face of described support portion is concordant with the edge of the effective display area of described liquid crystal panel。
5. the glue frame of the backlight module as described in claim 3 or 4, it is characterised in that the end face of described support portion and be formed with chamfering between the surface of described optical diaphragm group。
6. the glue frame of backlight module as claimed in claim 5, it is characterised in that described chamfering is 30 degree to 60 degree。
7. the glue frame of backlight module as claimed in claim 2, it is characterised in that the surface abutted with described light guide plate of described convex edge is provided with the first storage tank, and described first storage tank is equipped with sealing gasket。
8. the glue frame of backlight module as claimed in claim 2, it is characterised in that the surface towards described liquid crystal panel of described convex edge is provided with the second storage tank, and described second storage tank is equipped with sealing gasket。
9. a backlight module, including light guide plate, optical diaphragm group and liquid crystal panel, it is characterized in that, described backlight module also includes the glue frame as described in claim 1 to 8 any one, described optical diaphragm group is installed in the groove of described glue frame, and between the exiting surface and described liquid crystal panel of described light guide plate, described liquid crystal panel is set up on described glue frame。
10. a liquid crystal indicator, it is characterised in that include backlight module as claimed in claim 9。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521106305.7U CN205334013U (en) | 2015-12-28 | 2015-12-28 | Backlight unit's gluey frame, backlight unit and liquid crystal disply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521106305.7U CN205334013U (en) | 2015-12-28 | 2015-12-28 | Backlight unit's gluey frame, backlight unit and liquid crystal disply device |
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| Publication Number | Publication Date |
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| CN205334013U true CN205334013U (en) | 2016-06-22 |
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| CN201521106305.7U Active CN205334013U (en) | 2015-12-28 | 2015-12-28 | Backlight unit's gluey frame, backlight unit and liquid crystal disply device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108254976A (en) * | 2018-01-23 | 2018-07-06 | 广东欧珀移动通信有限公司 | Display screen component and electronic equipment |
| CN109661538A (en) * | 2016-09-13 | 2019-04-19 | 夏普株式会社 | Optical component, lighting device and display device |
| US10520665B2 (en) * | 2017-03-13 | 2019-12-31 | Wuhan China Star Optoelectronics Technology Co., Ltd | Backlight module and liquid crystal display with the same |
| CN112255837A (en) * | 2020-11-03 | 2021-01-22 | 重庆翰博光电有限公司 | Low-power-consumption blue-light-proof ultra-light thin backlight module |
| CN112764269A (en) * | 2021-01-25 | 2021-05-07 | 深圳市云湖电子科技有限公司 | Backlight that leakproofness is good and be convenient for maintain |
| CN113867046A (en) * | 2021-09-27 | 2021-12-31 | 京东方科技集团股份有限公司 | Backlight rubber frame, backlight module and display device |
| WO2022100386A1 (en) * | 2020-11-10 | 2022-05-19 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN115039024A (en) * | 2021-01-04 | 2022-09-09 | 京东方科技集团股份有限公司 | Backlight module and display device |
-
2015
- 2015-12-28 CN CN201521106305.7U patent/CN205334013U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109661538A (en) * | 2016-09-13 | 2019-04-19 | 夏普株式会社 | Optical component, lighting device and display device |
| US10520665B2 (en) * | 2017-03-13 | 2019-12-31 | Wuhan China Star Optoelectronics Technology Co., Ltd | Backlight module and liquid crystal display with the same |
| CN108254976A (en) * | 2018-01-23 | 2018-07-06 | 广东欧珀移动通信有限公司 | Display screen component and electronic equipment |
| WO2019144712A1 (en) * | 2018-01-23 | 2019-08-01 | Oppo广东移动通信有限公司 | Display screen assembly and electronic device |
| CN112255837A (en) * | 2020-11-03 | 2021-01-22 | 重庆翰博光电有限公司 | Low-power-consumption blue-light-proof ultra-light thin backlight module |
| WO2022100386A1 (en) * | 2020-11-10 | 2022-05-19 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN115039024A (en) * | 2021-01-04 | 2022-09-09 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN112764269A (en) * | 2021-01-25 | 2021-05-07 | 深圳市云湖电子科技有限公司 | Backlight that leakproofness is good and be convenient for maintain |
| CN112764269B (en) * | 2021-01-25 | 2022-02-11 | 深圳市云湖电子科技有限公司 | Backlight that leakproofness is good and be convenient for maintain |
| CN113867046A (en) * | 2021-09-27 | 2021-12-31 | 京东方科技集团股份有限公司 | Backlight rubber frame, backlight module and display device |
| CN113867046B (en) * | 2021-09-27 | 2023-10-20 | 京东方科技集团股份有限公司 | Backlight plastic frame, backlight module and display device |
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Effective date of registration: 20230410 Address after: 518000 Room 201, building A, No. 1, Qian Wan Road, Qianhai Shenzhen Hong Kong cooperation zone, Shenzhen, Guangdong (Shenzhen Qianhai business secretary Co., Ltd.) Patentee after: Shenzhen Huaxi Investment Co.,Ltd. Address before: 7 / F, D4, TCL International e city science and technology building, 1001 Zhongshan Garden Road, Nanshan District, Shenzhen, Guangdong 518052 Patentee before: SHENZHEN TCL NEW TECHNOLOGY Co.,Ltd. |