CN103672602A - Backlight module, liquid crystal module and display device - Google Patents
Backlight module, liquid crystal module and display device Download PDFInfo
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- CN103672602A CN103672602A CN201310642080.6A CN201310642080A CN103672602A CN 103672602 A CN103672602 A CN 103672602A CN 201310642080 A CN201310642080 A CN 201310642080A CN 103672602 A CN103672602 A CN 103672602A
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- light source
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- backlight module
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Abstract
The invention relates to a backlight module, a liquid crystal module and a display device. The backlight module comprises a light guide plate and a back plate arranged on the periphery of the light guide plate, the back plate comprises an accommodating portion used for accommodating the light guide plate, a light source is arranged on the side wall of the accommodating portion, a certain clearance is formed between the light source and the light guide plate, the back plate further comprises a first bent portion and a second bent portion formed by bending the side wall inwards for multiple times, the first bent portion covers the light source, one part of the second bent portion covers the clearance between the light source and the light guide plate, and the other part is superposed on the light guide plate so as to fix the light guide plate. The backlight module has the advantages that due to the first bent portion and the second bent portion arranged on the back plate, the light guide plate is effectively fixed, and the light source and the clearance between the light source and the light guide plate are covered totally to prevent light leakage.
Description
Technical field
The present invention relates to technical field of liquid crystal display, relate in particular to a kind of backlight module, liquid crystal module and display device.
Background technology
Current side entering-type LED backlight module, generally adopt glue frame 1 to press the LED4 collocation design of LGP 2 design zero clearance+restriction models, to prevent light leak hidden danger, as shown in Figure 1, but, because glue frame belongs to plastic cement flexible material, in actual assembled process, the easy distortion of glue frame cannot be accomplished zero clearance, and backlight module exists light leak hidden danger.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of backlight module, liquid crystal module and display device, solve the light leak hidden danger of backlight module.
In order to achieve the above object, the technical solution used in the present invention is: a kind of backlight module, comprise LGP, be arranged at the peripheral backboard of described LGP, described backboard comprises: for holding the accommodation section of described LGP, the sidewall of described accommodation section is provided with light source, between described light source and described LGP, there is certain interval
Described backboard also comprises the first kink and the second kink being inwardly repeatedly bent to form by described sidewall, described the first kink is covered on described light source, a part for described the second kink covers the gap between described light source and described LGP, and another part is stacked and placed on described LGP with lightguide plate fixing.
Further, when the outer surface of described light source is concordant with the outer surface of described LGP, described the first kink and described the second kink are in the same plane.
Further, the outer surface of described light source is less than described LGP outer surface to the distance of the bottom of described accommodation section is during to the distance of the bottom of described accommodation section, described the second kink by described the first kink to the direction bending away from bottom, described accommodation section, be bent to form to the direction away from described sidewall again.
Further, the outer surface of described light source is greater than described LGP outer surface to the distance of the bottom of described accommodation section is during to the distance of the bottom of described accommodation section, described the second kink by described the first kink to the direction bending near bottom, described accommodation section, again to being bent to form away from described sidewall direction.
Further, the length of described the first kink and the thickness of described light source equate.
Further, described LGP comprises the second area that is provided with the first area of optical film material and is arranged at periphery, described first area, and a part for described the second kink is stacked and placed on described second area.
The present invention also provides a kind of liquid crystal module, comprises above-mentioned backlight module.
Further, described liquid crystal module also comprises for supporting the glue frame of described liquid crystal panel, described glue frame is fixed on described backboard, and the shape of joint face and the shape of described the first kink and described the second kink that described glue frame is connected with described the second kink with described the first kink match.
The present invention also provides a kind of display device, comprises above-mentioned liquid crystal module.
The invention has the beneficial effects as follows: the setting of the first kink and the second kink on backboard, effective lightguide plate fixing, and cover the gap between light source and light source and LGP completely, prevent the generation of light leak.
Accompanying drawing explanation
Fig. 1 represents prior art liquid crystal display module structure schematic diagram;
Fig. 2 represents back light module unit structure schematic diagram in the embodiment of the present invention
Fig. 3 represents liquid crystal display module structure schematic diagram in the embodiment of the present invention;
Fig. 4 represents embodiment of the present invention backboard and light source package assembly schematic diagram;
Fig. 5 represents embodiment of the present invention back board structure schematic diagram.
The specific embodiment
Below in conjunction with accompanying drawing, principle of the present invention and feature are described in detail, illustrated embodiment, only for explaining the present invention, not limits protection scope of the present invention with this.
As shown in Figure 2, the present embodiment provides a kind of backlight module, comprise LGP 2, be arranged at the peripheral backboard 3 of described LGP 2, described backboard 3 comprises: for holding the accommodation section of described LGP 2, the sidewall of described accommodation section is provided with light source 4, described light source 4 has certain gap with described LGP 2 and is oppositely arranged
Described backboard 3 also comprises the first kink 31 and the second kink 32 being inwardly repeatedly bent to form by described sidewall, described the first kink 31 is covered on described light source 4, a part for described the second kink 32 covers the gap between described light source 4 and described LGP 2, and another part is stacked and placed on described LGP 2 to fix described LGP 2.
The first kink 31 forming through more than 3 bending of described backboard and the second kink 32 replace existing glue frame to be covered on described light source 4 and described LGP 2, the setting of described the first kink 31 is covered on described light source 4, when playing interception, to described light source 4, carry out spacing, a part for described the second kink 32 covers the gap between described light source 4 and described LGP 2, another part is stacked and placed on described LGP 2 to fix described LGP 2, and it is not yielding that described backboard 3 adopts hard material to make, solve the light leak problem causing because of the distortion of glue frame in prior art, simultaneously effective lightguide plate fixing 2.
Adopt backlight module in the present embodiment, the setting of described the first kink 31 is covered on described light source 4, described light source 4 is carried out spacing, prevents light leak simultaneously; A part for described the second kink 32 covers the gap between described light source 4 and described LGP 2, another part is stacked and placed on described LGP 2 and with described LGP 2 and contacts, effectively when fixing described LGP 2, for described light source 4 provides an almost seal cavity, the light that described light source 4 is sent all enters described LGP 2, improves light source utilization rate.
Should be understood that, in actual use, between described LGP 2 and described the second kink 32, have certain gap, the size in this gap is in error allowed band, because described backboard 3 adopts hard material to be made, can realize after assembling product, the size in this gap is in preset range, to facilitate the assembling of described LGP 2 and described backboard 3, can not produce light leak simultaneously.
In the present embodiment, described backboard 3 adopts iron work, but not as limit.
Glue frame compared to existing technology, in the present embodiment, adopt the backboard 3 of iron work to there is certain light reflex, reduce the loss of the light that described light source 4 sends, in the present embodiment, for the light that better utilizes described light source 4 to send, described the first kink 31 is coated with reflecting layer with the medial surface of described the second kink 32, and the utilization rate of light is further provided.
The present embodiment backlight module not only prevents the generation of light leak, be both and also broken the rule that LGP 2 and light source 4 need Central Symmetry design, make light source 4 larger with LGP 2 collocation usage spaces, the LGP 2 of same thickness any light source 4 of can arranging in pairs or groups, as long as this light source 4 meets rear its outer surface of assembling lower than the outer surface of LGP 2, the specification of light source 4 is selected the limitation that is no longer subject to light guide plate, improving product overall price/performance ratio.
In the present embodiment, the outer surface of described light source is less than described LGP outer surface to the distance of the bottom of described accommodation section is during to the distance of the bottom of described accommodation section, described the second kink 32 by described the first kink 31 to the direction bending away from described sidewall, the direction to the bottom away from described accommodation section is bent to form again, as shown in Figure 4.
When the outer surface of the outer surface of described light source 4 and described LGP 2 is concordant, described the first kink 31 is positioned at same plane with described the second kink 32.
In actual use, the outer surface of described light source is easy to be greater than described LGP outer surface to the distance of the bottom of described accommodation section is during to the distance of the bottom of described accommodation section, now, described the second kink 32 is bent, to the bottom direction away from described accommodation section, is bent to form, as shown in Figure 5 again to the direction near described sidewall by described the first kink 31.
In the present embodiment, the length L 1 of described the first kink 31 equates with the thickness of described light source 4.
Described LGP 2 comprises the second area that is provided with the first area of optical film material and is arranged at periphery, described first area, and a part for described the second kink 32 is stacked and placed on described second area.
In the present embodiment, described backlight module also comprises reflector plate 5, and described reflector plate 5 arranges the bottom with described backboard 3 accommodation sections, and described LGP 2 arranges the top with described reflector plate 5.
In the present embodiment, described light source 4 adopts LED, but is not limited to this.
As shown in Figure 3, the present invention also provides a kind of liquid crystal module, comprises above-mentioned backlight module.
Described liquid crystal module also comprises for supporting the glue frame 1 of described liquid crystal panel 6, described glue frame 1 is fixed on described backboard 3, and the shape of joint face and the shape of described the first kink 31 and described the second kink 32 that described glue frame 1 is connected with described the second kink 32 with described the first kink 31 match.
Adopt backboard offset bending structure (the first kink 31 and the second kink 32 that backboard bending forms) to replace glue frame of the prior art, after assembling, be subject under the active force of liquid crystal panel not yielding, effective lightguide plate fixing 2, prevent the generation of light leak simultaneously, make the light that LED sends all enter LGP, and can the arrange in pairs or groups LED of disposable type of same LGP, LED specification select the restriction that is no longer subject to light guide plate, improving product overall price/performance ratio.
The present invention also provides a kind of display device, comprises above-mentioned liquid crystal module.
The above is preferred embodiment of the present invention, it should be pointed out that to those skilled in the art, not departing under the prerequisite of principle of the present invention, can also make some improvements and modifications, and these improvements and modifications also should be considered as protection domain of the present invention.
Claims (9)
1. a backlight module, comprises LGP, is arranged at the peripheral backboard of described LGP, and described backboard comprises: for holding the accommodation section of described LGP, the sidewall of described accommodation section is provided with light source, between described light source and described LGP, there is certain interval, it is characterized in that
Described backboard also comprises the first kink and the second kink being inwardly repeatedly bent to form by described sidewall, described the first kink is covered on described light source, a part for described the second kink covers the gap between described light source and described LGP, and another part is stacked and placed on described LGP with lightguide plate fixing.
2. backlight module according to claim 1, is characterized in that, when the outer surface of described light source is concordant with the outer surface of described LGP, described the first kink and described the second kink are in the same plane.
3. backlight module according to claim 1, it is characterized in that, the outer surface of described light source is less than described LGP outer surface to the distance of the bottom of described accommodation section is during to the distance of the bottom of described accommodation section, described the second kink by described the first kink to the direction bending away from bottom, described accommodation section, be bent to form to the direction away from described sidewall again.
4. backlight module according to claim 1, it is characterized in that, the outer surface of described light source is greater than described LGP outer surface to the distance of the bottom of described accommodation section is during to the distance of the bottom of described accommodation section, described the second kink by described the first kink to the direction bending near bottom, described accommodation section, again to being bent to form away from described sidewall direction.
5. backlight module according to claim 1, is characterized in that, the length of described the first kink equates with the thickness of described light source.
6. backlight module according to claim 1, is characterized in that, described LGP comprises the second area that is provided with the first area of optical film material and is arranged at periphery, described first area, and a part for described the second kink is stacked and placed on described second area.
7. a liquid crystal module, comprises the backlight module described in liquid crystal panel and claim 1-6 any one.
8. liquid crystal module according to claim 7, it is characterized in that, described liquid crystal module also comprises for supporting the glue frame of described liquid crystal panel, described glue frame is fixed on described backboard, and the shape of joint face and the shape of described the first kink and described the second kink that described glue frame is connected with described the second kink with described the first kink match.
9. a display device, is characterized in that, comprises the liquid crystal module described in claim 7 or 8.
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| CN201310642080.6A CN103672602B (en) | 2013-12-03 | 2013-12-03 | A kind of backlight module, liquid crystal module and display device |
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| CN201310642080.6A CN103672602B (en) | 2013-12-03 | 2013-12-03 | A kind of backlight module, liquid crystal module and display device |
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| CN103672602A true CN103672602A (en) | 2014-03-26 |
| CN103672602B CN103672602B (en) | 2016-03-23 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106569299A (en) * | 2016-11-08 | 2017-04-19 | 深圳市华星光电技术有限公司 | Edge-light-type backlight module group and liquid crystal display |
| WO2017084423A1 (en) * | 2015-11-19 | 2017-05-26 | 合一智能科技（深圳）有限公司 | Backlight module rear cover, backlight module, and display module |
| CN107045229A (en) * | 2017-05-27 | 2017-08-15 | 深圳市国显科技有限公司 | A kind of LCM liquid crystal displays module |
| CN107526217A (en) * | 2017-10-19 | 2017-12-29 | 京东方科技集团股份有限公司 | Side entrance back module and display device |
| WO2019149082A1 (en) * | 2018-01-31 | 2019-08-08 | Oppo广东移动通信有限公司 | Backlight module, display assembly, and electronic device |
| CN110706583A (en) * | 2018-07-09 | 2020-01-17 | 中强光电股份有限公司 | Backlight module and display device |
| CN112133204A (en) * | 2020-10-26 | 2020-12-25 | 深圳Tcl新技术有限公司 | Backlight module and display device |
| WO2021036116A1 (en) * | 2019-08-28 | 2021-03-04 | 武汉华星光电技术有限公司 | Backlight module and vehicle-mounted display device |
| CN114609817A (en) * | 2022-03-08 | 2022-06-10 | 创维光电科技(深圳)有限公司 | Display module and display device |
| CN114660699A (en) * | 2022-03-25 | 2022-06-24 | 江苏毅昌科技有限公司 | Assembly structure of ELED side-entry module |
| CN116360147A (en) * | 2021-12-28 | 2023-06-30 | 鸿富泰精密电子（烟台）有限公司 | Display device |
| WO2023201593A1 (en) * | 2022-04-20 | 2023-10-26 | 京东方科技集团股份有限公司 | Display module and display apparatus |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2017084423A1 (en) * | 2015-11-19 | 2017-05-26 | 合一智能科技（深圳）有限公司 | Backlight module rear cover, backlight module, and display module |
| CN106569299A (en) * | 2016-11-08 | 2017-04-19 | 深圳市华星光电技术有限公司 | Edge-light-type backlight module group and liquid crystal display |
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| CN107526217B (en) * | 2017-10-19 | 2020-08-11 | 京东方科技集团股份有限公司 | Side-in backlight module and display device |
| WO2019149082A1 (en) * | 2018-01-31 | 2019-08-08 | Oppo广东移动通信有限公司 | Backlight module, display assembly, and electronic device |
| CN110706583A (en) * | 2018-07-09 | 2020-01-17 | 中强光电股份有限公司 | Backlight module and display device |
| WO2021036116A1 (en) * | 2019-08-28 | 2021-03-04 | 武汉华星光电技术有限公司 | Backlight module and vehicle-mounted display device |
| CN112133204A (en) * | 2020-10-26 | 2020-12-25 | 深圳Tcl新技术有限公司 | Backlight module and display device |
| CN116360147A (en) * | 2021-12-28 | 2023-06-30 | 鸿富泰精密电子（烟台）有限公司 | Display device |
| CN114609817A (en) * | 2022-03-08 | 2022-06-10 | 创维光电科技(深圳)有限公司 | Display module and display device |
| CN114609817B (en) * | 2022-03-08 | 2024-03-22 | 创维光电科技(深圳)有限公司 | Display module and display device |
| CN114660699A (en) * | 2022-03-25 | 2022-06-24 | 江苏毅昌科技有限公司 | Assembly structure of ELED side-entry module |
| WO2023201593A1 (en) * | 2022-04-20 | 2023-10-26 | 京东方科技集团股份有限公司 | Display module and display apparatus |
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| CN103672602B (en) | 2016-03-23 |
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Effective date of registration: 20180328 Address after: 100015 Jiuxianqiao Road, Beijing, No. 10, No. Patentee after: BOE Technology Group Co., Ltd. Address before: 100015 Jiuxianqiao Road, Beijing, No. 10, No. Co-patentee before: Xiamen BOE Co., Ltd. Patentee before: BOE Technology Group Co., Ltd. |
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