CN201680304U - Combined-type top column and direct-lit LED backlight employing same - Google Patents
Combined-type top column and direct-lit LED backlight employing same Download PDFInfo
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- CN201680304U CN201680304U CN2010201427995U CN201020142799U CN201680304U CN 201680304 U CN201680304 U CN 201680304U CN 2010201427995 U CN2010201427995 U CN 2010201427995U CN 201020142799 U CN201020142799 U CN 201020142799U CN 201680304 U CN201680304 U CN 201680304U
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Abstract
The utility model discloses a combined-type top column, which comprises a top part and a bottom part, and a connecting structure is arranged at the bottom of the combined-type top column. The utility model further provides a direct-lit LED backlight with the combined-type top column. By adopting the combined-type top column provided by the utility model, the supporting and connecting functions can be achieved, so as to reduce the manufacturing cost of the direct-lit LED backlight and the time for installation.
Description
Technical field
The utility model relates to direct LED backlight, particularly a kind of combined type fore-set of the diffuser plate that is used to support direct LED backlight and be provided with the direct LED backlight of this fore-set.
Background technology
Existing large-size direct type LED backlight source generally adopts diffuser plate that the light of LED is evenly distributed.But,, can cause very big degree of disturbing at the diffuser plate middle part so, thereby cause the image quality inequality if do not support because the rigidity of diffuser plate own is relatively poor.For this reason, as shown in Figure 1, normally do a lot of fore-sets 20 in addition and prop up diffuser plate 80, make its unlikely subsiding, guarantee the flatness of image quality in backlight 10 inside.Meanwhile, printed substrate (PCBA) 50 or hardware, reflector plate 60 and the metal backing 70 that adopts screw 30 will stamp LED 40 is connected and fixed.Because the fixedlying connected of the support of fore-set 20 and printed substrate (PCBA) 50 or hardware, reflector plate 60 and metal backing 70 be to separate, therefore, the more parts of installation procedure needs, and inefficiency.
The utility model content
The technical problems to be solved in the utility model is numerous and diverse and defect of high cost for the assembly technology in the direct LED backlight that overcomes prior art, provide a kind of saving to assemble man-hour, the direct LED backlight that improves packaging efficiency and the combined type fore-set that reduces cost and have this fore-set.
The utility model solves above-mentioned technical problem by following technical proposals: a kind of combined type fore-set, and it comprises a top and a bottom, its characteristics are that the place, bottom of this combined type fore-set is provided with a syndeton.
Wherein, this syndeton comprises that spacing is positioned at a clamping part and a fixed part of this fore-set bottom, and this buckle part is in the end of this fore-set.
Wherein, a U-shaped groove is established in the bottom of this fore-set.
Wherein, this fixed part is two to be symmetrically set in the projection of this fore-set periphery, and this clamping part is two grabs, and the position of this grab is corresponding with this projection.
The utility model also provides a kind of direct LED backlight, it comprises that a diffuser plate, a reflection unit, are installed with the printed substrate of a plurality of LED, a metal backing and a plurality of aforesaid combined type fore-set of being located in this direct LED backlight, its characteristics are, this combined type fore-set top is attached at the bottom surface of this diffuser plate, the bottom of this combined type fore-set is provided with projection and grab, and this reflection unit, printed substrate and metal backing and this fore-set connection are provided with corresponding through hole.
The utility model also provides another kind of combined type fore-set, wherein, it comprises a top and a bottom, its characteristics are, the place, bottom of this combined type fore-set is provided with a syndeton, this syndeton is made up of a clamping part and a fixed part that spacing is positioned at this fore-set bottom, and this buckle part is in the end of this fore-set, and this fixed part is a screwed threaded end.
The utility model also provides another kind of direct LED backlight, it comprises that a diffuser plate, a reflection unit, are installed with the printed substrate of a plurality of LED, a metal backing and a plurality of aforesaid combined type fore-set of being located in this direct LED backlight, its characteristics are, this combined type fore-set top is attached at the bottom surface of this diffuser plate, the bottom of this combined type fore-set is provided with projection and threaded end, and the junction of the threaded end of this reflection unit, printed substrate and metal backing and this direct LED backlight is provided with corresponding screw.
Positive progressive effect of the present utility model is: the top of combined type fore-set of the present utility model plays a part to support diffuser plate, and it also plays fixedly connected PCBA, the effect of reflector plate and metal backing then by syndetons such as trip designs in the bottom in addition.Therefore, employing the utility model has not only reduced the use amount of parts, has also reduced the assembling man-hour of direct LED backlight, has improved packaging efficiency, has reduced manufacturing cost effectively.
Description of drawings
Fig. 1 is the direct LED backlight local section structure chart of existing band fore-set.
The schematic partial sectional view of the direct LED backlight of Fig. 2 the utility model one preferred embodiment.
Fig. 3 is the schematic partial sectional view of the direct LED backlight of another preferred embodiment of the utility model.
The specific embodiment
Lift a preferred embodiment below, and come the clearer the utility model that intactly illustrates in conjunction with the accompanying drawings.
Embodiment 1
As shown in Figure 2, the utility model provides a kind of combined type fore-set 202, and it comprises a top and a bottom, and the top of this fore-set 202 is used to support the diffuser plate 80 that may subside, and place, the bottom of this fore-set 202 is provided with a syndeton that has been used for fixedly connected effect.Syndeton is made up of a clamping part and a fixed part that spacing is positioned at these fore-set 202 bottoms, and this buckle part is in the end of this fore-set 202.This fixed part is two projections 2022 that are symmetrically set in these fore-set 202 peripheries, is used for fore-set 202 is fixed from the inside.Clamping part is two grabs that are used to connect 2021.The position of grab 2021 and projection 2022 corresponding arranging.Two projections 2022 can be integrally formed on fore-set 202.A U-shaped groove 2023 is also established in the bottom of this fore-set 202, and when being used for fore-set insertion respective aperture, the bottom to the centre strain takes place, thereby can pass through circular hole smoothly, rebounds by the bottom, back, thereby fastens base plate.
Embodiment 2
As shown in Figure 2, the utility model provides a kind of direct LED backlight 101, and this LED-backlit source 101 is made up of a printed substrate 50 and a metal backing 70 that a diffuser plate 80, a reflection unit 60, are installed with a plurality of LED40.Combined type fore-set 202 described in a plurality of embodiment 2 is located in this direct LED backlight 101, the top of this combined type fore-set 202 is used to prop up diffuser plate 80, and being attached at the bottom surface of this diffuser plate 80, the bottom of this combined type fore-set 202 is provided with and this reflection unit 60, PCBA50 and the metal backing 70 fixedly projection 2022 and the grab 2021 of usefulness of fixedlying connected of usefulness.This reflection unit 60, printed substrate 50 and metal backing 70 are provided with corresponding through hole (not shown) in the place of wearing mutually with this fore-set 202.During use, pinch in opposite directions and press two grabs 2021, then two grabs 2021 are by U-lag 2023 purse ups, then the bottom of fore-set 202 becomes flat, can from the through hole of reflection unit 60, printed substrate 50 and metal backing 70 correspondences, pass, and be connected on the metal backing 70, at this moment, 2022 of the projections on the fore-set 202 just are against the inner surface of the reflection unit 60 that is positioned at the innermost layer.Therefore fore-set 202 just can not skid off from the inside of direct LED backlight 101.
The combined type fore-set 202 that uses in the present embodiment because its bottom design becomes the clamping type structure, makes it when supporting diffuser plate 80, also plays the effect that is connected and fixed simultaneously.Adopt this fore-set 202, can reduce the man-hour of assembling, in addition, use the clamping type combined type fore-set of present embodiment, can also save existing being used for PCBA 50, reflection unit 60, such as reflector plate, be connected the screw of usefulness with metal backing 70, therefore can also reduce cost of manufacture effectively.
Embodiment 3
As shown in Figure 3, the combined type fore-set 203 in the present embodiment is that with the different of embodiment 1 this fixed part is a screwed termination 2031, by this threaded end, is used to be threaded.
Embodiment 4
Figure 3 shows that another direct LED backlight 102 that present embodiment provides.LED-backlit source 102 in the present embodiment is with the different of embodiment 2, and it adopts is combined type fore-set 203 among the embodiment 3.The bottom of this fore-set 203 is provided with projection and threaded end 2031, and the junction of the fore-set 203 of this reflection unit 60, printed substrate 50 and metal backing 70 and this threaded termination 2031 is provided with corresponding screw.During use, the bottom of fore-set 203 is tightened in the corresponding screw of reflection unit 60, printed substrate 50 and metal backing 70, thereby reflection unit 60, printed substrate 50 and metal backing 70 are connected, and diffuser plate 80 is still being supported at the top of fore-set 203.
The bottom of the fore-set 203 of the direct LED backlight 102 in the present embodiment and the reflection unit 60 (as reflector plate) that is positioned at diffuser plate 80 belows, PCBA 50, reach metal backing 70 grades and are threaded, and when supporting, played fixedly connected effect.Therefore adopt the combined type fore-set 203 in the present embodiment, both simplified packaging technology, and reduced cost.
Because it is a plurality of that fore-set of the present utility model needs, therefore, the direct LED backlight that the utility model provides can also be as required, with the utilization of arranging in pairs or groups arbitrarily of the combined type fore-set among embodiment 1 and the embodiment 3.
The utility model has been realized supporting and can play the effect of connection by the existing fore-set structure that only is used for supporting role is improved dexterously, thereby reaches the effect that reduces cost with installation work-hour.
Though more than described the specific embodiment of the present utility model, but those skilled in the art is to be understood that, these only illustrate, and under the prerequisite that does not deviate from principle of the present utility model and essence, can make numerous variations or modification to these embodiments.Therefore, protection domain of the present utility model is limited by appended claims.
Claims (7)
1. combined type fore-set, it comprises a top and a bottom, it is characterized in that, the place, bottom of this combined type fore-set is provided with a syndeton.
2. combined type fore-set as claimed in claim 1 is characterized in that, this syndeton comprises that spacing is positioned at a clamping part and a fixed part of this fore-set bottom, and this buckle part is in the end of this fore-set.
3. combined type fore-set as claimed in claim 2 is characterized in that, a U-shaped groove is established in the bottom of this fore-set.
4. combined type fore-set as claimed in claim 3 is characterized in that, this fixed part is two to be symmetrically set in the projection of this fore-set periphery, and this clamping part is two grabs, and the position of this grab is corresponding with this projection.
5. combined type fore-set as claimed in claim 2 is characterized in that, this fixed part is a screwed threaded end.
6. direct LED backlight, it comprises that a diffuser plate, a reflection unit, are installed with the printed substrate of a plurality of LED, a metal backing and a plurality of combined type fore-set of being located in this direct LED backlight as claimed in claim 4, it is characterized in that, this combined type fore-set top is attached at the bottom surface of this diffuser plate, the bottom of this combined type fore-set is provided with projection and grab, and this reflection unit, printed substrate and metal backing and this fore-set connection are provided with corresponding through hole.
7. direct LED backlight, it comprises that a diffuser plate, a reflection unit, are installed with the printed substrate of a plurality of LED, a metal backing and a plurality of combined type fore-set of being located in this direct LED backlight as claimed in claim 5, it is characterized in that, this combined type fore-set top is attached at the bottom surface of this diffuser plate, the bottom of this combined type fore-set is provided with projection and threaded end, and the junction of the threaded end of this reflection unit, printed substrate and metal backing and this direct LED backlight is provided with corresponding screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201427995U CN201680304U (en) | 2010-03-26 | 2010-03-26 | Combined-type top column and direct-lit LED backlight employing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201427995U CN201680304U (en) | 2010-03-26 | 2010-03-26 | Combined-type top column and direct-lit LED backlight employing same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201680304U true CN201680304U (en) | 2010-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201427995U Expired - Fee Related CN201680304U (en) | 2010-03-26 | 2010-03-26 | Combined-type top column and direct-lit LED backlight employing same |
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| CN (1) | CN201680304U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434827A (en) * | 2011-12-02 | 2012-05-02 | 深圳市华星光电技术有限公司 | Direct backlight module and liquid crystal display device |
| CN102734762A (en) * | 2012-06-29 | 2012-10-17 | 南京中电熊猫液晶显示科技有限公司 | Fixing device and direct type backlight module with same |
| WO2012151774A1 (en) * | 2011-05-10 | 2012-11-15 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display |
| US8579455B2 (en) | 2011-12-02 | 2013-11-12 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Direct type backlight module and liquid crystal display device |
| WO2014158560A2 (en) * | 2013-03-14 | 2014-10-02 | Lsi Industries, Inc. | Luminaires and luminaire mounting structures |
| CN105258081A (en) * | 2014-07-15 | 2016-01-20 | 欧普照明股份有限公司 | LED modulator tube and fixing component used for LED modulator tube |
| CN107678211A (en) * | 2017-11-14 | 2018-02-09 | 惠科股份有限公司 | The retaining element of backlight module and backlight module |
-
2010
- 2010-03-26 CN CN2010201427995U patent/CN201680304U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012151774A1 (en) * | 2011-05-10 | 2012-11-15 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display |
| CN102434827A (en) * | 2011-12-02 | 2012-05-02 | 深圳市华星光电技术有限公司 | Direct backlight module and liquid crystal display device |
| US8579455B2 (en) | 2011-12-02 | 2013-11-12 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Direct type backlight module and liquid crystal display device |
| CN102734762A (en) * | 2012-06-29 | 2012-10-17 | 南京中电熊猫液晶显示科技有限公司 | Fixing device and direct type backlight module with same |
| WO2014158560A2 (en) * | 2013-03-14 | 2014-10-02 | Lsi Industries, Inc. | Luminaires and luminaire mounting structures |
| WO2014158560A3 (en) * | 2013-03-14 | 2015-01-15 | Lsi Industries, Inc. | Luminaires and luminaire mounting structures |
| CN105258081A (en) * | 2014-07-15 | 2016-01-20 | 欧普照明股份有限公司 | LED modulator tube and fixing component used for LED modulator tube |
| CN107678211A (en) * | 2017-11-14 | 2018-02-09 | 惠科股份有限公司 | The retaining element of backlight module and backlight module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101222 Termination date: 20120326 |