CN201935066U - Backlight and liquid crystal display device - Google Patents
Backlight and liquid crystal display device Download PDFInfo
- Publication number
- CN201935066U CN201935066U CN2010206919055U CN201020691905U CN201935066U CN 201935066 U CN201935066 U CN 201935066U CN 2010206919055 U CN2010206919055 U CN 2010206919055U CN 201020691905 U CN201020691905 U CN 201020691905U CN 201935066 U CN201935066 U CN 201935066U
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- Prior art keywords
- backlight
- frame
- plastic cement
- loading end
- grab
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Abstract
The utility model discloses a backlight and a liquid crystal display device. The backlight comprises a plastic side frame and a front frame. A bearing surface for bearing an optical module is arranged at the bottom end of the plastic side frame. The front frame is clamped with the side wall of the plastic side frame through a clamping component. A supporting surface which is fit with the bearing surface is arranged at the bottom end of the front frame. The backlight provided by the utility model has the advantages that the structure is simple; the realization is convenient; and since a metal back plate is not used, debris caused by friction between the metal back plate and the plastic side frame can be effectively avoided and the quality of the backlight is improved.
Description
Technical field
The utility model relates to lcd technology, relates in particular to a kind of Backlight source and liquid crystal display device.
Background technology
LCD is a flat-panel monitor commonly used at present, and wherein Thin Film Transistor-LCD (ThinFilm Transistor Liquid Crystal Display is called for short TFT-LCD) is the main product in the LCD.Backlight is the vitals of LCD, and light source is provided when being used to the work of liquid crystal mesogens display.
Present backlight generally comprises metal backing, plastic frame and preceding frame, and wherein, metal backing is used for the assembly in entire backlight source is played a supporting role, and the plastic cement frame is used for fixing the optics module, and preceding frame is used for the optics module is fixed on the plastic cement frame.But, because the die cost of metal backing is higher, material cost is high, quality is heavier, the construction cycle is long, yield rate is low, makes that the production cycle of backlight is longer; Simultaneously, in backlight assembling process or the real work, metal backing and other parts as being easy to generate friction between the plastic cement frame, produce foreign matters such as chip, cause backlight bad.
In summary it can be seen that existing backlight adopts metal backing to be used as the main body of entire backlight source carrying usually, backlight integral body is heavier, cost is high, thickness is big; In addition, metal backing easily with foreign matter such as plastic cement frame friction generation chip, thereby cause backlight bad.
The utility model content
The utility model provides a kind of Backlight source and liquid crystal display device, can avoid metal backing brings in the existing backlight cost height, easily produce the defective of chip, can effectively reduce the production cost of backlight, backlight is in light weight, eliminates fricative foreign matter between metal backing and the plastic cement frame.
The utility model provides a kind of backlight, comprises plastic cement frame and preceding frame, and the bottom of described plastic cement frame is provided with the loading end of bearing optical module, is fastened togather by fastened component between the sidewall of described preceding frame and described plastic cement frame; The bottom of frame is provided with the supporting surface of fitting with described loading end before described.
In the above-mentioned backlight, described loading end is along described plastic cement frame bottom, extends the folding surface of first setpoint distance to the inside.Perhaps, described loading end is for connecting described plastic cement frame bottom whole face all around.And the middle part of described loading end is the netted loading end with a plurality of through holes.
In the above-mentioned backlight, described supporting surface is along described preceding frame bottom, extends the folding surface of setpoint distance to the inside.Perhaps, described supporting surface is for connecting described preceding frame bottom whole face all around.And the middle part of described supporting surface is the netted loading end with a plurality of through holes.
In the above-mentioned backlight, described fastened component comprises: be arranged on described before on the sidewall of frame grab and be arranged on hole clipping on the sidewall of described plastic cement frame;
Perhaps, described fastened component comprises: be arranged on described before on the sidewall of frame hole clipping and be arranged on grab on the sidewall of described plastic cement frame.
In the above-mentioned backlight, described grab is the wedge shape grab, and the inclination angle of the lozenges of described wedge shape grab is 30 °～60 °.
The utility model provides a kind of liquid crystal indicator, comprises liquid crystal panel and backlight, wherein, and the backlight of described backlight for adopting above-mentioned the utility model to provide.
The Backlight source and liquid crystal display device that the utility model provides, by on the plastic cement frame, loading end being set, and preceding frame is connected by the mode of grab with the hole clipping clamping with the plastic cement frame, thereby can save the metal backing in the existing backlight, realization is to the assembling of optics module, can effectively avoid between existing metal backing and the plastic cement frame foreign matters such as fricative chip, improve the quality of module backlight; Simultaneously, the present embodiment backlight is not owing to need metal backing, thereby can make the weight in entire backlight source lighter, thinner thickness, and assembling is convenient, and cost is lower, helps the promotion and application of liquid crystal indicator.
Description of drawings
Fig. 1 is the cross-sectional view of the utility model backlight embodiment one;
Fig. 2 is the structural representation of preceding frame among the utility model backlight embodiment;
Fig. 3 is the structural representation of plastic cement frame among the utility model embodiment;
Fig. 4 is the cross-sectional view of backlight embodiment two of the present invention;
Fig. 5 is the cross-sectional view of backlight embodiment three of the present invention;
Fig. 6 is the structural representation of liquid crystal indicator embodiment of the present invention.
Reference numeral:
1-plastic cement frame; Frame before the 2-; The 11-loading end;
The 21-supporting surface; The 4-fastened component; The whole face of 12-;
The 41-grab; The 42-hole clipping; 3-optics module;
The 10-liquid crystal panel; The whole face of 22-; The 20-backlight.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing among the utility model embodiment, technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
In view of adopting the carrying main body of metal backing in the existing backlight usually as backlight, cause the problem that the backlight quality is heavier, cost is high, thickness produces chip more greatly and easily, the utility model provides a kind of backlight, can remove the metal backing in the existing backlight, utilize plastic cement frame and preceding frame to fix and the bearing optical module, can effectively reduce the production cost of backlight, reduce the quality and the thickness of backlight, avoid production of foreign matters such as chip.To be described in detail technical solutions of the utility model with instantiation below.
Fig. 1 is the cross-sectional view of the utility model backlight embodiment one; Fig. 2 is the structural representation of preceding frame among the utility model backlight embodiment; Fig. 3 is the structural representation of plastic cement frame among the utility model embodiment.As Fig. 1, Fig. 2 and shown in Figure 3, the present embodiment backlight comprises: plastic cement frame 1 and preceding frame 2, the bottom of plastic cement frame 1 are provided with the loading end 11 of bearing optical module 3, are fastened togather by fastened component 4 between the sidewall of preceding frame 2 and plastic cement frame 1; The bottom of preceding frame 2 is provided with the supporting surface 21 of fitting with loading end 11, plays a supportive role.In the present embodiment, optics module 3 directly can be placed on the loading end 11, and utilize supporting surface 21 and 11 pairs of entire backlight sources of loading end to play a supporting role, guarantee the quality of backlight; Simultaneously, plastic cement frame 1 and preceding frame 2 are fastened togather, can effectively guarantee steadiness and installation quality that each parts of backlight are installed by fastened component 4.
In the present embodiment, as shown in Figure 1, the loading end 11 of plastic cement frame 1 bottom specifically can be along the bottom of plastic cement frame 1, extends the folding surface of first setpoint distance to the inside.Particularly, in plastic cement frame 1 production process, can be with in the bending to the inside of the bottom of plastic cement frame 1 periphery, thus form folding surface, be arranged in the loading end 11 that folding surface around plastic cement frame 1 bottom is present embodiment.As can be seen, plastic cement frame 1 only need form folding surface in the bottom and get final product in manufacturing process, and the manufacture craft of plastic cement frame 1 is simple, realization is convenient, and cost of manufacture is low.
In the present embodiment, supporting surface 21 also can be along the bottom of preceding frame 2, extend the folding surface of second setpoint distance to the inside, particularly, in preceding frame 2 manufacturing process, but the bottom of former frame 2 is by being bent to form folding surface, and folding surface can play supporting role preferably with the metal structure of utilizing preceding frame, by the supporting role of supporting surface 21 apart from preceding frame sidewall certain distance, can effectively guarantee the bulk strength in entire backlight source, guarantee the quality of backlight.
In the present embodiment, as shown in Figure 1, fastened component 4 comprises the hole clipping 42 on the sidewall that former frame 2 is set, and be arranged on grab 41 on the sidewall of plastic cement frame 1, thereby preceding frame 2 can utilize this fastened component 4 to be stuck in tightly on the plastic cement frame 1, wherein, the quantity of the hole clipping 42 that is provided with on the preceding frame 2 should be two at least, and on the sidewall of frame 2, correspondingly, also be provided with the grab 41 of equal number on the plastic cement frame 1 before being evenly distributed on, so that cooperate with hole clipping 42, like this, when preceding frame 2 is connected with plastic cement frame 1, can effectively guarantee the fastness and the stability that connect.In the practical application, the grab and the hole clipping of suitable quantity can be set as required, to guarantee the assembling effect of backlight.
In the present embodiment, above-mentioned grab 41 is specifically as follows the wedge shape grab, and the inclination angle of the lozenges of wedge shape grab specifically can be 30 °～60 °, by grab 41 is arranged to wedge shape, can effectively improve the convenience that grab is installed, and improves the engaging effect of grab.
It will be appreciated by persons skilled in the art that above-mentioned fastened component also can comprise the grab on the sidewall that former frame is set and be arranged on hole clipping on the sidewall of plastic cement frame.In the practical application, the fastened component of suitable shape and quantity can be set as required, not limit, as long as preceding frame and plastic cement frame can be tightened together at this.
In the present embodiment, optics module 3 can directly be placed on the loading end 11, and do not need metal backing in the existing backlight, therefore, can effectively alleviate the weight of backlight, save the production cost of backlight, make that also backlight is more frivolous simultaneously, adapt to the trend of the lightening development of backlight, helped the promotion and application of product.In addition, owing in the making of present embodiment backlight, do not need to design the metal backing mould, therefore, can effectively save the mould development time, thereby reduce the construction cycle in entire backlight source.
In the present embodiment, owing to do not need metal backing, therefore, can effectively avoid collision between plastic part and the metal backing and the foreign matters such as chip of generation, thereby can avoid in the prior art producing the problem of foreign matter, can effectively improve the quality of backlight because of metal backing and the friction of other plastic part.
In summary it can be seen, the backlight that present embodiment provides, by on the plastic cement frame, loading end being set, and preceding frame is connected by the mode of grab with the hole clipping clamping with the plastic cement frame, thereby can save the metal backing in the existing backlight, realization is to the assembling of optics module, can effectively avoid between existing metal backing and the plastic cement frame foreign matters such as fricative chip, improves the quality of module backlight; Simultaneously, the present embodiment backlight is not owing to need metal backing, thereby can make the weight in entire backlight source lighter, thinner thickness, and assembling is convenient, and cost is lower, helps the promotion and application of liquid crystal indicator.
Fig. 4 is the cross-sectional view of backlight embodiment two of the present invention.Different with above-mentioned Fig. 1～technical scheme embodiment illustrated in fig. 3 is, the loading end that is arranged on plastic cement frame 1 bottom in the present embodiment is for connecting the whole face 12 of plastic cement frame bottom, like this, optics module 3 can have bigger contact area with whole face 12 when mounted, thereby guarantees the installation quality of optics module 3.
In the present embodiment, be to save material and reduce weight, can be set to have the netted loading end of a plurality of through holes as the middle part of the whole face 12 of loading end, the big I of through hole is set according to actual needs.
Fig. 5 is the cross-sectional view of backlight embodiment three of the present invention.Different with above-mentioned Fig. 1～3 illustrated embodiment technical schemes is, the supporting surface that former frame 2 bottoms are set in the present embodiment is the whole face 22 around the frame bottom before connecting, like this, can support and fix above-mentioned optics module and plastic cement frame better by whole face 22, improve the installation quality of backlight.
In addition, be to save material and reduce weight, can be set to have the netted loading end of a plurality of through holes as the middle part of the whole face 22 of supporting surface, the big I of through hole is set according to actual needs.
Fig. 6 is the structural representation of liquid crystal indicator embodiment of the present invention.As shown in Figure 6, the utility model also provides a kind of liquid crystal indicator, comprise liquid crystal panel 10 and backlight 20, wherein, the backlight that adopts above-mentioned the utility model embodiment to provide specifically is provided backlight 20, its concrete structure can not repeat them here with reference to the explanation of above-mentioned the utility model backlight embodiment.
It should be noted that at last: above embodiment only in order to the explanation the technical solution of the utility model, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (10)
1. a backlight is characterized in that, comprises plastic cement frame and preceding frame, and the bottom of described plastic cement frame is provided with the loading end of bearing optical module, is fastened togather by fastened component between the sidewall of described preceding frame and described plastic cement frame; The bottom of frame is provided with the supporting surface of fitting with described loading end before described.
2. backlight according to claim 1 is characterized in that, described loading end is along described plastic cement frame bottom, extends the folding surface of first setpoint distance to the inside.
3. backlight according to claim 1 is characterized in that, described loading end is for connecting described plastic cement frame bottom whole face all around.
4. backlight according to claim 3 is characterized in that, the middle part of described loading end is the netted loading end with a plurality of through holes.
5. backlight according to claim 1 is characterized in that, described supporting surface is along described preceding frame bottom, extends the folding surface of setpoint distance to the inside.
6. backlight according to claim 1 is characterized in that, described supporting surface is for connecting described preceding frame bottom whole face all around.
7. backlight according to claim 6 is characterized in that, the middle part of described supporting surface is the netted loading end with a plurality of through holes.
8. backlight according to claim 1 is characterized in that, described fastened component comprises: be arranged on described before on the sidewall of frame grab and be arranged on hole clipping on the sidewall of described plastic cement frame;
Perhaps, described fastened component comprises: be arranged on described before on the sidewall of frame hole clipping and be arranged on grab on the sidewall of described plastic cement frame.
9. backlight according to claim 8 is characterized in that, described grab is the wedge shape grab, and the inclination angle of the lozenges of described wedge shape grab is 30 °～60 °.
10. a liquid crystal indicator comprises liquid crystal panel and backlight, it is characterized in that, described backlight requires 1～9 arbitrary described backlight for adopting aforesaid right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206919055U CN201935066U (en) | 2010-12-30 | 2010-12-30 | Backlight and liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206919055U CN201935066U (en) | 2010-12-30 | 2010-12-30 | Backlight and liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201935066U true CN201935066U (en) | 2011-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN2010206919055U Expired - Lifetime CN201935066U (en) | 2010-12-30 | 2010-12-30 | Backlight and liquid crystal display device |
Country Status (1)
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| CN (1) | CN201935066U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102749738A (en) * | 2012-07-19 | 2012-10-24 | 深圳市华星光电技术有限公司 | Liquid crystal display device |
| CN102944944A (en) * | 2012-05-30 | 2013-02-27 | 友达光电股份有限公司 | Display device |
| WO2013044532A1 (en) * | 2011-09-28 | 2013-04-04 | 深圳市华星光电技术有限公司 | Liquid crystal display device and rubber frame thereof |
| WO2013127118A1 (en) * | 2012-02-29 | 2013-09-06 | 深圳市华星光电技术有限公司 | Liquid crystal display and liquid crystal display device thereof |
| US8823899B2 (en) | 2011-09-28 | 2014-09-02 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Liquid crystal display device and plastic frame thereof |
| TWI498633B (en) * | 2012-05-30 | 2015-09-01 | Au Optronics Corp | Display device |
| WO2017197816A1 (en) * | 2016-05-20 | 2017-11-23 | 乐视控股（北京）有限公司 | Assembly structure, display apparatus, and display apparatus assembly method |
-
2010
- 2010-12-30 CN CN2010206919055U patent/CN201935066U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013044532A1 (en) * | 2011-09-28 | 2013-04-04 | 深圳市华星光电技术有限公司 | Liquid crystal display device and rubber frame thereof |
| US8823899B2 (en) | 2011-09-28 | 2014-09-02 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Liquid crystal display device and plastic frame thereof |
| WO2013127118A1 (en) * | 2012-02-29 | 2013-09-06 | 深圳市华星光电技术有限公司 | Liquid crystal display and liquid crystal display device thereof |
| CN102944944A (en) * | 2012-05-30 | 2013-02-27 | 友达光电股份有限公司 | Display device |
| CN102944944B (en) * | 2012-05-30 | 2015-01-21 | 友达光电股份有限公司 | Display device |
| TWI498633B (en) * | 2012-05-30 | 2015-09-01 | Au Optronics Corp | Display device |
| CN102749738A (en) * | 2012-07-19 | 2012-10-24 | 深圳市华星光电技术有限公司 | Liquid crystal display device |
| WO2014012261A1 (en) * | 2012-07-19 | 2014-01-23 | 深圳市华星光电技术有限公司 | Liquid crystal display device |
| CN102749738B (en) * | 2012-07-19 | 2016-09-21 | 深圳市华星光电技术有限公司 | A kind of liquid crystal indicator |
| WO2017197816A1 (en) * | 2016-05-20 | 2017-11-23 | 乐视控股（北京）有限公司 | Assembly structure, display apparatus, and display apparatus assembly method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING BOE PHOTOELECTRICITY SCIENCE + TECHNOLOGY Effective date: 20150630 Owner name: JINGDONGFANG SCIENCE AND TECHNOLOGY GROUP CO., LTD Free format text: FORMER OWNER: BEIJING BOE PHOTOELECTRICITY SCIENCE + TECHNOLOGY CO., LTD. Effective date: 20150630 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150630 Address after: 100015 Jiuxianqiao Road, Beijing, No. 10, No. Patentee after: BOE Technology Group Co., Ltd. Patentee after: Beijing BOE Photoelectricity Science & Technology Co., Ltd. Address before: 100176 Beijing city in Western Daxing District economic and Technological Development Zone, Road No. 8 Patentee before: Beijing BOE Photoelectricity Science & Technology Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110817 |