CN202972969U - Metal frame, backlight module and liquid crystal display device - Google Patents
Metal frame, backlight module and liquid crystal display device Download PDFInfo
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- CN202972969U CN202972969U CN 201220586166 CN201220586166U CN202972969U CN 202972969 U CN202972969 U CN 202972969U CN 201220586166 CN201220586166 CN 201220586166 CN 201220586166 U CN201220586166 U CN 201220586166U CN 202972969 U CN202972969 U CN 202972969U
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- metal framework
- backlight module
- light source
- liquid crystal
- lgp
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Abstract
The utility model provides a metal frame, a backlight module and a liquid crystal display device. Metal material with higher structural strength is provided with a frame structure the same with the structure of an original metal frame and a glue frame, such as a cavity in which a light guide plate and an optical membrane group are arranged, and a light source tank used for placing a light source, and the situation that the glue frame is bent and deformed due to different expansion coefficients due to the fact that two different materials are used is avoided. The structure strength of the backlight module is greatly improved, further, the liquid crystal display screen and the backlight module can be flatly fit, and the breakage and damage probability of the liquid crystal display screen due to improper assembling is reduced.
Description
Technical field
The application relates to electronic display unit, relates in particular to a kind of metal framework, backlight module and liquid crystal indicator.
Background technology
Along with popularizing gradually of LCD product, the user is more and more higher to the requirement of product, and product is also more and more fastidious on selecting.This has just proposed more and more higher requirement to the quality of product, the user wishes that LCD product is under cost constant (or reducing costs), general structure is constant, performance can not reduce prerequisite, integrally-built assembling intensity can further promote, and this is also a whole liquid crystal industry development trend in future.
Please refer to Fig. 1, existing backlight module is to ensure enough intensity and reliability performance, generally adopts to install metal frame 11 additional in glue frame 12 peripheries and be fixed, to reach the purpose of gaining in strength.Please refer to Fig. 2, and can have the good intensity of energy for metal frame 11 is coordinated with glue frame 12, glue frame 11 can be injected in metal frame 12 by one-body molded technology, thereby the bulk strength of whole backlight module can be increased, but after metal frame 11 and glue frame 12 injection moulding integrated moldings, have the stress of two kinds of different sizes, the coefficient of expansion of glue frame 12 causes metal frame 11 and 12 flexural deformations of glue frame greater than metal frame.When distortion surpassed certain value, when LCDs was positioned in backlight module, the injustice of will fitting caused LCDs to break, damage.
The utility model content
The main technical problems to be solved in the utility model is, a kind of metal framework, backlight module and liquid crystal indicator are provided, and avoided different from glue frame stress because of metal frame, and causes flexural deformation, the problem of LCDs assembling poor effect.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is as follows:
A kind of metal framework, it is used for backlight module; Described metal framework center is provided with a cavity that is used for placing optical module, and described optical module comprises: LGP and optical diaphragm group; Described metal framework one end is provided with at least one in order to place the light source slot of light source, and described light source slot arranges opening over against described LGP incidence surface, and is communicated with described cavity.
Further, described light source slot bottom and described cavity bottom are in the same plane.
Further, described metal framework is made by aluminium alloy.
Further, on the upper surface of limit, described metal frame side, vertically extend upward near the part in the side outside, described side extension forms step with extension not; Each limit of LCDs that is complementary with described metal framework engages with described step backstop on described each side of metal framework respectively.
A kind of backlight module also is provided in the present embodiment, comprises LGP, optical diaphragm group, light source; Also comprise: above-mentioned metal framework; Described LGP and optical diaphragm group are placed in described metal framework cavity from bottom to up successively; Described light source is placed in described metal framework light source slot, and the exiting surface of described light source is relative with described LGP incidence surface.
The utility model also provides a kind of liquid crystal indicator, it is characterized in that, comprising: LCDs, control circuit and above-mentioned backlight module; Each limit of described LCDs is placed on respectively on the corresponding side upper surface of described metal framework, fixes by shading glue between described liquid crystal indicator and backlight module.
The utility model also provides another kind of liquid crystal indicator, it is characterized in that, comprising: LCDs, control circuit and above-mentioned backlight module; Each limit of described LCDs is placed on respectively on the corresponding side step of described metal framework, fixes by shading glue between described liquid crystal indicator and backlight module.
The beneficial effects of the utility model are: a kind of metal framework, backlight module and liquid crystal indicator are provided, by the frame structure identical with adhesive frame structure with original metal frame being set a kind of on than the metal material of high structural strength, as the cavity of arrangement LGP and optical diaphragm group and the light source slot of placement light source etc.Avoid using two kinds of different materials, caused the diastrophic situation of glue frame to occur because the coefficient of expansion is different.The structure of backlight module is significantly improved, also make further LCDs can with the more smooth applying of backlight module, reduced because assembling the improper probability that causes LCDs to break, damage.
Description of drawings
Fig. 1 is metal frame and glue frame package assembly schematic diagram in this existing backlight module;
Fig. 2 is metal frame and glue frame integral structure schematic diagram in existing backlight module;
Fig. 3 is metal frame body structure schematic diagram in the utility model one embodiment;
Fig. 4 is along AA ' line cutaway view in Fig. 3.
The specific embodiment
General idea of the present utility model is: by metal frame in original backlight module and glue frame are carried out architecture advances, be specially and use a kind of new framework, this kind framework adopts metal to make, and be provided with the position of placing each assembly in backlight module in framework, be equivalent to the effect of original metal frame and glue frame.But more firm than original metal frame and glue frame on structural strength, and it is different because of material from the glue frame to have improved metal frame, exist the coefficient of expansion different and cause framework to hold yielding defective.And because whole framework all adopts metal to make, backlight module is greatly enhanced on structural strength, and be not easy flexural deformation, make the applying of LCDs more smooth, be not easy to break, damage.For making technical solutions of the utility model and advantage clearer, by reference to the accompanying drawings the utility model is described in further detail below by the specific embodiment.
Metal framework in the utility model can be for containing the structure of three any numbers of sides more than side, concrete number and the structure of side, be by the shape of the LCDs that is used in combination with it common the decision.In the present embodiment, clearer and easy in order to make explanation, in the present embodiment, adopt quadrangle metal framework that the application's technical scheme is described.Further, mentioned metal framework can adopt any metal with certain structural strength to make in the present invention, and concrete material can be iron, steel, alloy etc.And strong and weight can significantly not increase for the structural strength that makes backlight module, and more excellent, the material of making the metal framework can be chosen as aluminium alloy.Wherein, the concrete preparation method of metal material can be again with casting or utilize reguline metal material mechanical machine-shaping.
Please refer to Fig. 3, in the present embodiment, the concrete mode of offering each assembly of placement backlight module on metal framework 31 is: heart position is provided with a cavity 311 therein, and this cavity is used for placing the assemblies such as reflectance coating, LGP, optical diaphragm group.And also be provided with at least one light source slot 312 in order to place light source at metal framework 31 1 ends, this light source slot 312 is injected LGP for the light that can make the light source ejaculation of putting into wherein, so over against the LGP incidence surface, opening is set at it, and be communicated with described cavity, the light of light source is just by on the incidence surface of this opening directive LGP.More excellent, more convenient for metal frame 31 is made in the present embodiment, also make source light can inject to greatest extent LGP, so light source slot 312 bottoms and cavity 311 bottoms are in the same plane.
A kind of backlight module also is provided in the present embodiment, and it comprises LGP, optical diaphragm group, light source and above-mentioned metal framework 31; Wherein, LGP and optical diaphragm group are placed in metal framework cavity 311 from bottom to up successively; Light source is placed in metal framework light source slot 312, and the exiting surface of light source is relative with the LGP incidence surface.
In the present embodiment, provide a kind of liquid crystal indicator, comprise LCDs, control circuit and on backlight module; Each limit of its LCDs is placed on respectively on corresponding side 313 upper surfaces of metal framework, is fixed by shading glue between liquid crystal indicator and backlight module.
Please refer to Fig. 4, in order to make the fixing more firm of LCDs, the utility model also provides another kind of metal framework, it is improved on above-mentioned metal framework, be specially on 313 upper surfaces of limit, metal frame side, part near the side outside vertically extends upward, and then forms step 3131 in side 313 extensions and extension not; And each limit of LCDs that is complementary with metal framework 31 engages with step 3131 backstops on each side 313 of metal framework respectively.
Accordingly, also provide a kind of backlight module in the present embodiment, it comprises that it comprises the metal framework 31 in LGP, optical diaphragm group, light source and the present embodiment; Wherein, LGP and optical diaphragm group are placed in metal framework cavity 311 from bottom to up successively; Light source is placed in metal framework light source slot 312, and the exiting surface of light source is relative with the LGP incidence surface.And then a kind of liquid crystal indicator also is provided in the present embodiment, comprise LCDs, control circuit and on backlight module; Each limit of its LCDs is placed on respectively on the corresponding side step 3131 of metal framework 31, and liquid crystal indicator and backlight module are fixed by shading glue between.
Above content is in conjunction with concrete embodiment further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (7)
1. metal framework, it is used for backlight module; It is characterized in that, described metal framework center is provided with a cavity that is used for placing optical module, and described optical module comprises: LGP and optical diaphragm group; Described metal framework one end is provided with at least one in order to place the light source slot of light source, and described light source slot arranges opening over against described LGP incidence surface, and is communicated with described cavity.
2. metal framework as claimed in claim 1, is characterized in that, described light source slot bottom is in the same plane with described cavity bottom.
3. metal framework as claimed in claim 2, is characterized in that, described metal framework is made by aluminium alloy.
4. metal framework as described in any one in claim 1-3, is characterized in that, on the upper surface of limit, described metal frame side, vertically extends upward near the part in the side outside, and described side extension forms step with extension not; Each limit of LCDs that is complementary with described metal framework engages with described step backstop on described each side of metal framework respectively.
5. a backlight module, comprise LGP, optical diaphragm group, light source; It is characterized in that, also comprise: the described metal framework of any one in claim 1-4; Described LGP and optical diaphragm group are placed in described metal framework cavity from bottom to up successively; Described light source is placed in described metal framework light source slot, and the exiting surface of described light source is relative with described LGP incidence surface.
6. a liquid crystal indicator, is characterized in that, comprising: LCDs, control circuit and backlight module; Described backlight module comprises: the described metal framework of any one in LGP, optical diaphragm group, light source and claim 1-3; Each limit of described LCDs is placed on respectively on the corresponding side upper surface of described metal framework, fixes by shading glue between described liquid crystal indicator and backlight module.
7. a liquid crystal indicator, is characterized in that, comprising: LCDs, control circuit and backlight module; Described backlight module comprises: LGP, optical diaphragm group, light source and metal framework claimed in claim 4; Each limit of described LCDs is placed on respectively on the corresponding side step of described metal framework, fixes by shading glue between described liquid crystal indicator and backlight module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220586166 CN202972969U (en) | 2012-11-08 | 2012-11-08 | Metal frame, backlight module and liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220586166 CN202972969U (en) | 2012-11-08 | 2012-11-08 | Metal frame, backlight module and liquid crystal display device |
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| Publication Number | Publication Date |
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| CN202972969U true CN202972969U (en) | 2013-06-05 |
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| CN 201220586166 Expired - Fee Related CN202972969U (en) | 2012-11-08 | 2012-11-08 | Metal frame, backlight module and liquid crystal display device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104090398A (en) * | 2014-07-23 | 2014-10-08 | 无锡博一光电科技有限公司 | Method for reducing generation of yellow spots on liquid crystal display module |
| CN104376788A (en) * | 2014-11-26 | 2015-02-25 | 深圳市华星光电技术有限公司 | Display iron frame and display module |
| CN105182607A (en) * | 2015-10-12 | 2015-12-23 | 武汉华星光电技术有限公司 | Back light module and rubber frame structure thereof |
| CN105782802A (en) * | 2014-12-25 | 2016-07-20 | 业鑫科技顾问股份有限公司 | Backlight module and display device |
| CN107065302A (en) * | 2017-05-04 | 2017-08-18 | 厦门天马微电子有限公司 | Framework, backlight module and display device |
| CN108181748A (en) * | 2017-12-14 | 2018-06-19 | 中航华东光电有限公司 | Reinforcing LCD MODULE with shock resistance |
-
2012
- 2012-11-08 CN CN 201220586166 patent/CN202972969U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104090398A (en) * | 2014-07-23 | 2014-10-08 | 无锡博一光电科技有限公司 | Method for reducing generation of yellow spots on liquid crystal display module |
| CN104090398B (en) * | 2014-07-23 | 2017-02-01 | 无锡博一光电科技有限公司 | Method for reducing generation of yellow spots on liquid crystal display module |
| CN104376788A (en) * | 2014-11-26 | 2015-02-25 | 深圳市华星光电技术有限公司 | Display iron frame and display module |
| WO2016082308A1 (en) * | 2014-11-26 | 2016-06-02 | 深圳市华星光电技术有限公司 | Display iron frame and display module |
| CN105782802A (en) * | 2014-12-25 | 2016-07-20 | 业鑫科技顾问股份有限公司 | Backlight module and display device |
| CN105782802B (en) * | 2014-12-25 | 2019-08-13 | 鸿富锦精密工业（深圳）有限公司 | Backlight module and display device |
| CN105182607A (en) * | 2015-10-12 | 2015-12-23 | 武汉华星光电技术有限公司 | Back light module and rubber frame structure thereof |
| WO2017063270A1 (en) * | 2015-10-12 | 2017-04-20 | 武汉华星光电技术有限公司 | Backlight module and plastic frame structure |
| CN105182607B (en) * | 2015-10-12 | 2018-05-18 | 武汉华星光电技术有限公司 | Backlight module and its glue frame construction |
| CN107065302A (en) * | 2017-05-04 | 2017-08-18 | 厦门天马微电子有限公司 | Framework, backlight module and display device |
| CN108181748A (en) * | 2017-12-14 | 2018-06-19 | 中航华东光电有限公司 | Reinforcing LCD MODULE with shock resistance |
| CN108181748B (en) * | 2017-12-14 | 2020-08-18 | 中航华东光电有限公司 | Reinforced liquid crystal display module with vibration resistance |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20181108 |
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| CF01 | Termination of patent right due to non-payment of annual fee |