CN202992921U - Backlight module and liquid crystal display device - Google Patents
Backlight module and liquid crystal display device Download PDFInfo
- Publication number
- CN202992921U CN202992921U CN2012207217171U CN201220721717U CN202992921U CN 202992921 U CN202992921 U CN 202992921U CN 2012207217171 U CN2012207217171 U CN 2012207217171U CN 201220721717 U CN201220721717 U CN 201220721717U CN 202992921 U CN202992921 U CN 202992921U
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- Prior art keywords
- backlight module
- glue frame
- lgp
- liquid crystal
- utility
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Abstract
The utility model provides a backlight module which comprises a rubber frame and a light guide plate. The light guide plate is positioned in and integrally formed with the rubber frame, and the light guide plate and the rubber frame are made of different materials. Compared with backlight modules in different structures in the prior art, the backlight module comprises the light guide plate and the rubber frame which are made of different materials and form an integrated part by the secondary injection molding technology, so that display effect and structural strength are improved; the existing process of manually assembling the backlight module is changed into a mechanized injection molding process, so that production efficiency of the backlight module is improved. The utility model further provides a liquid crystal display device adopting the backlight module structure, display effect can be improved, and production cost can be lowered.
Description
Technical field
The utility model relates to a kind of flat panel display, particularly a kind of backlight module and liquid crystal indicator.
Background technology
Along with the sharply development of network and radio communication technology, the portable information products such as small-medium size product, particularly intelligent machine have obtained significant progress.People also wish to reduce its production cost when constantly pursuing the liquid crystal indicator of high-resolution, high-contrast and narrow frame.Backlight module need to constantly improve backlight module as one of vital part of liquid crystal indicator, to reduce its cost and further narrow frame.
Backlight module in the prior art comprises: a backboard, be arranged at reflector plate, glue frame, LGP and optical diaphragm group on backboard.In described backlight module, glue frame, reflector plate and LGP are for after injection moulding respectively, making moulding, carry out man-made assembly fixing, therefore has following problem: 1, have assembly clearance between LGP and glue frame, there is unnecessary light source between assembly clearance, can causes the viewing area that the bright line risk is arranged; And for some product, the light between glue frame and LGP gap also may see through the glue frame, affects display effect.2, along with the development of the narrow frame of product, the glue strip electrode after moulding is yielding, the assembling difficulty between glue frame and LGP.3, LGP and glue frame the assembling complete after, easily break away from, affect the total quality of backlight module.4, the assembling process of glue frame, LGP, reflector plate is difficulty and loaded down with trivial details process the most in the assembling of present backlight module, therefore affects overall package efficient, and then reduces production efficiency.
The utility model content
The purpose of this utility model is to provide a kind of backlight module that can improve display effect and structural strength and enhance productivity.
For addressing the above problem, the utility model provides a kind of backlight module, comprises glue frame and LGP, and described LGP is arranged in described glue frame and described LGP and described glue frame and is formed in one, and described glue frame is different with described light guide panel material.
Further, described backlight module also comprises reflectance coating, and described reflectance coating is sprayed on the back side of described LGP.
Further, described backlight module also comprises reflectance coating, and described reflectance coating is sprayed on the back side of described glue frame.
Further, described backlight module also comprises reflector plate, and described reflector plate is fixed on the described LGP back side by gum.
Further, described glue frame and described LGP are one-body molded by the quadric injection mould method.
Further, the sidewall that a plurality of head and the tail of described glue frame connect, a plurality of sidewalls and the described LGP of described glue frame surround a receiving space, and have at least one at least one sidewall of described glue frame and keep away a hole.
Further, described backlight module also comprises:
Be arranged in described receiving space and be positioned at the light source of described glue frame one side; And
Be arranged in described receiving space and be positioned at optical diaphragm group on described LGP.
Further, described light source comprises a plurality of lamp spares, and described lamp spare is positioned at a described hole of keeping away.
Further, described lamp spare is the LED lamp.
Further, described backlight module also comprises backboard, and described backboard is arranged at outside described glue frame and described LGP, and described glue frame and described backboard contact position are fixed by two-sided tape.
The utility model also provides a kind of liquid crystal indicator, and described liquid crystal indicator comprises described backlight module.
In sum, the backlight module that backlight module described in the utility model is different from the prior art structure, described backlight module comprises LGP and glue frame, and described LGP and glue frame are that different materials adopts the secondary injection molding technology to form unitary member, with when improving display effect and structural strength, the process of existing man-made assembly backlight module is become the Shooting Technique of mechanization, and then improve the production efficiency of backlight module.
Further, liquid crystal indicator of the present invention adopts above-mentioned back light module unit structure, can improve display effect, reduces production costs.
Description of drawings
Fig. 1 is the top view of backlight module in the utility model one embodiment;
Fig. 2 is the generalized section along an embodiment of A-A ' direction in backlight module shown in Figure 1;
Fig. 3 is the generalized section along another embodiment of the A-A ' direction in backlight module shown in Figure 1;
Fig. 4 is the local amplification stereogram of backlight module shown in Figure 1;
Fig. 5 a is the generalized section along B-B ' direction one embodiment in backlight module shown in Figure 1;
Fig. 5 b is the generalized section along another embodiment of B-B ' direction in backlight module shown in Figure 1;
Fig. 6 is the structural representation of liquid crystal indicator in one embodiment of the invention.
The specific embodiment
For making content of the present utility model more clear understandable, below in conjunction with Figure of description, content of the present utility model is described further.Certainly the utility model is not limited to this specific embodiment, and the known general replacement of those skilled in the art also is encompassed in protection domain of the present utility model.
Secondly, the utility model utilizes schematic diagram to carry out detailed statement, and when the utility model example was described in detail in detail, for convenience of explanation, schematic diagram did not amplify according to general ratio is local, should be with this as to restriction of the present utility model.
Core concept of the present utility model is to provide a kind of backlight module different from the prior art structure, described backlight module comprises LGP and glue frame, and described LGP and glue frame are that different materials adopts the secondary injection molding technology to form unitary member, with when improving display effect and structural strength, the process of existing man-made assembly backlight module is become the Shooting Technique of mechanization, and then improve the production efficiency of backlight module.
Fig. 1 is the top view of backlight module in the utility model one embodiment, Fig. 2 is the generalized section along an embodiment of A-A ' direction in backlight module shown in Figure 1, in conjunction with Fig. 1 and Fig. 2, the utility model provides a kind of backlight module, described backlight module 200 comprises glue frame 203 and LGP 204, described LGP 204 is arranged in described glue frame 203 and described LGP 204 is formed in one with described glue frame 203, and described glue frame 203 is different with described LGP 305 materials.
In preferred embodiment, the material of described glue frame 203 can be poly terephthalic acid class plastic foam material, and such as PET plastic material etc., the material of described LGP 204 can be lucite.
In a preferred embodiment, described LGP 204 adopts the quadric injection mould method one-body molded with described glue frame 203.For example, after the designing requirement according to backlight module completes glue frame 203, utilize the integrated technology of quadric injection mould method that LGP 204 and 203 injection mouldings of glue frame are secured together, not only can improve structural strength, the raising display effect of backlight module after the formation unitary member, the process that has the man-made assembly backlight module now can also be become the Shooting Technique of mechanization, and then reach the production efficiency that improves backlight module.
Described backlight module 200 also comprises reflectance coating or reflector plate.As shown in Figure 2, in one embodiment, described backlight module 200 can adopt reflectance coating 202a, and the better reflectivity of described reflectance coating 202a is greater than 50%.Described reflectance coating 202a can be sprayed on the back side of described LGP 204, can also be sprayed at simultaneously the back side of glue frame 203, appears to avoid light, further improves reflection efficiency.Fig. 3 is the generalized section along another embodiment of the A-A ' direction in backlight module shown in Figure 1, as shown in Figure 3, in another embodiment, described backlight module 200 can adopt reflector plate 202b, and described reflector plate 202b can be fixed on described LGP 204 back sides by gum 208.Wherein, gum 208 can stick between reflector plate 204 and glue frame 203, thereby reflector plate 202b is fixed on the back side of LGP 204, avoids simultaneously gum 208 to affect the reflex of reflector plate 202b and the leaded light effect of LGP 204.
In addition, as shown in Figure 2, described backlight module 200 also comprises backboard 201, and described backboard 201 is arranged at outside described glue frame 203 and LGP 204, and described glue frame 203 can pass through two-sided tape (indicating in figure) with described backboard 201 contact positions to be fixed.
Fig. 4 is the local amplification stereogram of backlight module shown in Figure 1; Fig. 5 a is the generalized section along the B-B ' direction in backlight module shown in Figure 1.in conjunction with Fig. 4 and Fig. 5 a, described backlight module 200 also comprises light source 207 and optical diaphragm group 205, in the present embodiment, described glue frame 203 can comprise the sidewall that a plurality of head and the tail connect, a plurality of sidewalls and the described LGP 204 of described glue frame 203 surround a receiving space, and have at least one at least one sidewall of described glue frame 203 and keep away a hole 300, wherein, described light source 207 is arranged in described receiving space and is positioned at described LGP 204 1 sides, described optical diaphragm group 205 is arranged in described receiving space and is positioned on described LGP 204, described optical diaphragm group 205 is positioned on described LGP 204, described optical diaphragm group 205 comprises diffusion sheet 205c from bottom to top successively, lower brightening piece 205b and upper brightening piece 205a.Described light source 207 is arranged at described keeping away in a hole 300.Described light source 207 can comprise a plurality of lamp spares, and in the present embodiment, described lamp spare is the LED lamp.Fig. 5 b is the generalized section along another embodiment of B-B ' direction in backlight module shown in Figure 1; In another embodiment, as shown in Fig. 5 b, when described glue frame 203 and the fixing formation of described LGP 204 injection mouldings unitary member, if keep away a hole 300 described glue frames 203 of break-through, can be fixedly installed a fixation reflex sheet 209 in the described bottom of keeping away a hole 300, apply again described reflectance coating 202a, thereby when fixed light source 207, guarantee reflecting effect.
The utility model also provides a kind of liquid crystal indicator, and described liquid crystal indicator comprises backlight module described in the utility model.Fig. 6 is the structural representation of liquid crystal indicator in one embodiment of the invention.For example as shown in Figure 6, the liquid crystal indicator of described backlight module 200 and liquid crystal display 210 compositions also belongs to the scope of the utility model protection.
In sum, the backlight module that backlight module described in the utility model is different from the prior art structure, described backlight module comprises LGP and glue frame, and described LGP and glue frame are that different materials adopts the secondary injection molding technology to form unitary member, with when improving display effect and structural strength, the process of existing man-made assembly backlight module is become the Shooting Technique of mechanization, and then improve the production efficiency of backlight module.
Further, liquid crystal indicator of the present invention adopts above-mentioned back light module unit structure, can improve display effect, reduces production costs.
Although the utility model discloses as above with preferred embodiment; so it is not to limit the utility model; have in technical field under any and usually know the knowledgeable; within not breaking away from spirit and scope of the present utility model; when doing a little change and retouching, therefore protection domain of the present utility model is as the criterion when looking claims person of defining.
Claims (11)
1. a backlight module, is characterized in that, comprises glue frame and LGP, and described LGP is arranged in described glue frame and described LGP and described glue frame and is formed in one, and described glue frame is different with described light guide panel material.
2. backlight module as claimed in claim 1, is characterized in that, described backlight module also comprises reflectance coating, and described reflectance coating is sprayed on the back side of described LGP.
3. backlight module as claimed in claim 2, is characterized in that, described backlight module also comprises reflectance coating, and described reflectance coating is sprayed on the back side of described glue frame.
4. backlight module as claimed in claim 1, is characterized in that, described backlight module also comprises reflector plate, and described reflector plate is fixed on the described LGP back side by gum.
5. backlight module as described in any one in claim 1 to 4, is characterized in that, described glue frame and described LGP are one-body molded by the quadric injection mould method.
6. backlight module as described in any one in claim 1 to 4, it is characterized in that, described glue frame comprises the sidewall that a plurality of head and the tail connect, and a plurality of sidewalls and the described LGP of described glue frame surround a receiving space, and has at least one at least one sidewall of described glue frame and keep away a hole.
7. backlight module as described in any one in claim 1 to 4, is characterized in that, described backlight module also comprises:
Be arranged in described receiving space and be positioned at the light source of described glue frame one side; And
Be arranged in described receiving space and be positioned at optical diaphragm group on described LGP.
8. backlight module as claimed in claim 7, is characterized in that, described light source comprises a plurality of lamp spares, and described lamp spare is positioned at a described hole of keeping away.
9. backlight module as claimed in claim 8, is characterized in that, described lamp spare is the LED lamp.
10. backlight module as described in any one in claim 1 to 4, is characterized in that, described backlight module also comprises backboard, and described backboard is arranged at outside described glue frame and described LGP, and described glue frame and described backboard contact position are fixed by two-sided tape.
11. a liquid crystal indicator is characterized in that, described liquid crystal indicator comprises backlight module as described in any one in claim 1-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207217171U CN202992921U (en) | 2012-12-24 | 2012-12-24 | Backlight module and liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207217171U CN202992921U (en) | 2012-12-24 | 2012-12-24 | Backlight module and liquid crystal display device |
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| Publication Number | Publication Date |
|---|---|
| CN202992921U true CN202992921U (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012207217171U Expired - Lifetime CN202992921U (en) | 2012-12-24 | 2012-12-24 | Backlight module and liquid crystal display device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104325598A (en) * | 2014-08-29 | 2015-02-04 | 深圳市德仓科技有限公司 | Injection moulding device, liquid crystal module, backlight module and manufacturing method thereof |
| CN104476719A (en) * | 2014-08-29 | 2015-04-01 | 深圳市德仓科技有限公司 | Injection molding equipment, LCD module, backlight module and manufacturing method thereof |
| CN104536167A (en) * | 2014-12-23 | 2015-04-22 | 深圳市华星光电技术有限公司 | Narrow-border display device |
| CN104965344A (en) * | 2015-07-10 | 2015-10-07 | 深圳市华星光电技术有限公司 | Liquid crystal display device and production method of light guide plate thereof |
| CN105301840A (en) * | 2015-11-18 | 2016-02-03 | 武汉华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN105842915A (en) * | 2016-03-30 | 2016-08-10 | 乐视控股（北京）有限公司 | Backlight module and display equipment |
| CN106990611A (en) * | 2017-03-17 | 2017-07-28 | 武汉华星光电技术有限公司 | A kind of backlight module and liquid crystal display device |
| CN108303815A (en) * | 2018-01-26 | 2018-07-20 | 惠州市华星光电技术有限公司 | Display module and display device |
| US10698152B2 (en) | 2018-01-26 | 2020-06-30 | Huizhou China Star Optoelectronics Technology Co., Ltd. | Manufacturing method of display module suitable for fast curing of glue and easy for rework |
-
2012
- 2012-12-24 CN CN2012207217171U patent/CN202992921U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104325598A (en) * | 2014-08-29 | 2015-02-04 | 深圳市德仓科技有限公司 | Injection moulding device, liquid crystal module, backlight module and manufacturing method thereof |
| CN104476719A (en) * | 2014-08-29 | 2015-04-01 | 深圳市德仓科技有限公司 | Injection molding equipment, LCD module, backlight module and manufacturing method thereof |
| CN104536167A (en) * | 2014-12-23 | 2015-04-22 | 深圳市华星光电技术有限公司 | Narrow-border display device |
| WO2016101383A1 (en) * | 2014-12-23 | 2016-06-30 | 深圳市华星光电技术有限公司 | Narrow bezel display device |
| CN104965344A (en) * | 2015-07-10 | 2015-10-07 | 深圳市华星光电技术有限公司 | Liquid crystal display device and production method of light guide plate thereof |
| CN104965344B (en) * | 2015-07-10 | 2018-09-11 | 深圳市华星光电技术有限公司 | The manufacturing method of liquid crystal display device and its light guide plate |
| CN105301840A (en) * | 2015-11-18 | 2016-02-03 | 武汉华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN105842915A (en) * | 2016-03-30 | 2016-08-10 | 乐视控股（北京）有限公司 | Backlight module and display equipment |
| CN106990611A (en) * | 2017-03-17 | 2017-07-28 | 武汉华星光电技术有限公司 | A kind of backlight module and liquid crystal display device |
| CN108303815A (en) * | 2018-01-26 | 2018-07-20 | 惠州市华星光电技术有限公司 | Display module and display device |
| CN108303815B (en) * | 2018-01-26 | 2019-03-12 | 惠州市华星光电技术有限公司 | Display module and display device |
| US10698152B2 (en) | 2018-01-26 | 2020-06-30 | Huizhou China Star Optoelectronics Technology Co., Ltd. | Manufacturing method of display module suitable for fast curing of glue and easy for rework |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130612 |
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| CX01 | Expiry of patent term |