CN204300849U - The vehicle LED backlight of structural improvement - Google Patents
The vehicle LED backlight of structural improvement Download PDFInfo
- Publication number
- CN204300849U CN204300849U CN201420848514.8U CN201420848514U CN204300849U CN 204300849 U CN204300849 U CN 204300849U CN 201420848514 U CN201420848514 U CN 201420848514U CN 204300849 U CN204300849 U CN 204300849U
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- China
- Prior art keywords
- guide plate
- aforementioned
- light guide
- accommodating cavity
- light
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of vehicle LED backlight of structural improvement, includes pedestal, reflectance coating, light guide plate, diffusion barrier, photomask, light-emitting section and LCD; The bottom surface of this pedestal is extended downwards locating dowel and installing tache, the accommodating cavity of the recessed formation in surface of this pedestal and installation cavity, the sidewall of accommodating cavity is provided with catching groove and barb, barb is positioned at the top of catching groove, the front side wall of this installation cavity is formed with limited block, and the rear wall installing cavity is formed with elastic buckles; Buckle is coordinated with catching groove by utilizing buckle portion, light guide plate is made firmly to be installed in accommodating cavity, barb is utilized LCD to be firmly installed in accommodating cavity, and, coordinate and utilize limited block and elastic buckles to make light-emitting section firmly be installed in installation cavity, simple and compact for structure, easy to assembly, and be convenient to product and realize installing be connected with outside.
Description
Technical field
The utility model relates to backlight art, refers in particular to a kind of vehicle LED backlight of structural improvement.
Background technology
Backlight (Back Light) is positioned at liquid crystal display (LCD) a kind of light source behind, and its illumination effect will directly have influence on LCD MODULE (LCM) visual effect.Liquid crystal display itself is not luminous, and its display graphics or character are the results that it is modulated light.
But the LED backlight (i.e. vehicle LED backlight) be applied at present on automobile also exists complex structure, assembles inconvenience and high in cost of production problem, is therefore necessary to improve existing vehicle LED backlight.
Utility model content
In view of this, the utility model is for the disappearance of prior art existence, and its main purpose is to provide a kind of vehicle LED backlight of structural improvement, and it effectively can solve existing vehicle LED backlight and there is complex structure, assembling inconvenience and the high problem of cost.
For achieving the above object, the utility model adopts following technical scheme:
A kind of vehicle LED backlight of structural improvement, includes pedestal, reflectance coating, light guide plate, diffusion barrier, photomask, light-emitting section and LCD; The bottom surface of this pedestal is extended downwards locating dowel and installing tache, the accommodating cavity of the recessed formation in surface of this pedestal and installation cavity, this accommodating cavity communicates with each other with installation cavity, the sidewall of accommodating cavity is provided with catching groove and barb, barb is positioned at the top of catching groove, the front side wall of this installation cavity is formed with limited block, and the rear wall installing cavity is formed with elastic buckles; This reflectance coating is arranged on the inner bottom surface of accommodating cavity; This light guide plate and accommodating cavity suitable and be embedded in accommodating cavity, fit in the surface of reflectance coating and the bottom surface of light guide plate, the side convex of light guide plate is provided with buckle portion, and this buckle portion coordinates buckle with aforementioned catching groove, the right-hand member of light guide plate extends to be installed in cavity, and the right-hand member lateral margin of light guide plate is provided with breach; This diffusion barrier is covered on the surface of light guide plate; Ringwise, photomask is covered in the surface periphery of diffusion barrier to this photomask; This light-emitting section is arranged in aforementioned installation cavity, light-emitting section includes substrate and LED, this substrate level is butted on light guide plate right end face and also covers aforementioned breach completely, one end of substrate is spacing by aforementioned limited block, the other end of substrate is lived fixing by aforementioned flexible clasp, and the lateral border of substrate is welded with conductive feet, and this conductive feet is stretched out downwards outside pedestal, this LED is arranged on the bottom surface of substrate, and LED is positioned at aforementioned breach; This LCD is placed in accommodating cavity, and the bottom surface periphery of LCD is butted on the surperficial inner peripheral of photomask, and the surface periphery of LCD fastens fixing by aforementioned barb.
As a kind of preferred version, the cephalolateral margin two ends, bottom surface of described pedestal are extended all downwards an aforementioned installing tache, and the bottom surface back edge two ends of pedestal are extended all downwards an aforementioned locating dowel.
As a kind of preferred version, the internal face of described breach is provided with light modulation layer, this light modulation layer is provided with quantum dot fluorescence bisque, and this LED has blue LED die, and blue LED die is just to quantum dot fluorescence bisque.
As a kind of preferred version, left side wall and the front-rear side walls of described accommodating cavity are provided with aforementioned catching groove, and accordingly, the left surface of this light guide plate and front and back sides are provided with aforementioned buckle portion, and each buckle portion and corresponding catching groove are fitted to each other buckle.
The utility model compared with prior art has obvious advantage and beneficial effect, specifically, as shown from the above technical solution:
One, by utilizing buckle portion to coordinate buckle with catching groove, light guide plate is made firmly to be installed in accommodating cavity, barb is utilized LCD to be firmly installed in accommodating cavity, and, coordinate and utilize limited block and elastic buckles to make light-emitting section firmly be installed in installation cavity, simple and compact for structure, easy to assembly, and be convenient to product and realize installing be connected with outside.
Two, by adopting blue LED die, and coordinate quantum dot fluorescent powder layer and light modulation layer, blue light is become white light, instead of the mode adopting white LED chip of tradition, the colour rendering index of product so effectively can be improved while reducing costs, brightness also raises, and light loss is less simultaneously, and cost is also lower.
For more clearly setting forth architectural feature of the present utility model and effect, below in conjunction with accompanying drawing and specific embodiment, the utility model is described in detail.
Accompanying drawing explanation
Fig. 1 is the assembling schematic perspective view of the preferred embodiment of the utility model;
Fig. 2 is the exploded view of the preferred embodiment of the utility model;
Fig. 3 is the exploded view of another angle of preferred embodiment of the utility model;
Fig. 4 is the sectional view of the preferred embodiment of the utility model.
Accompanying drawing identifier declaration:
10, pedestal 11, locating dowel
12, installing tache 13, accommodating cavity
14, cavity 15, catching groove are installed
16, barb 17, limited block
18, elastic buckles 20, reflectance coating
30, light guide plate 31, buckle portion
32, breach 40, diffusion barrier
50, photomask 60, light-emitting section
61, substrate 62, LED
621, blue LED die 63, conductive feet
70, LCD 81, light modulation layer
82, quantum dot fluorescence bisque.
Detailed description of the invention
Please refer to shown in Fig. 1 to Fig. 4, that show the concrete structure of the preferred embodiment of the utility model, include pedestal 10, reflectance coating 20, light guide plate 30, diffusion barrier 40, photomask 50, light-emitting section 60 and LCD 70.
The bottom surface of this pedestal 10 is extended downwards locating dowel 11 and installing tache 12, this locating dowel 11 is for locating with outside, this installing tache 12 is for achieving a fixed connection with outside, the accommodating cavity 13 of the recessed formation in surface of this pedestal 10 and installation cavity 14, this accommodating cavity 13 communicates with each other with installation cavity 14, the sidewall of accommodating cavity 13 is provided with catching groove 15 and barb 16, barb 16 is positioned at the top of catching groove 15, the front side wall of this installation cavity 14 is formed with limited block 17, and the rear wall installing cavity 14 is formed with elastic buckles 18; In the present embodiment, the cephalolateral margin two ends, bottom surface of this pedestal 10 are extended all downwards an aforementioned installing tache 12, the bottom surface back edge two ends of pedestal 10 are extended all downwards an aforementioned locating dowel 11, and 13 left side walls of this accommodating cavity and front-rear side walls are provided with aforementioned catching groove 15.
This reflectance coating 20 is arranged on the inner bottom surface of accommodating cavity 13.This light guide plate 30 is suitable and be embedded in accommodating cavity 13 with accommodating recessed 13 chambeies, fit in the surface of reflectance coating 20 and the bottom surface of light guide plate 30, the side convex of light guide plate 30 is provided with buckle portion 31, this buckle portion 31 coordinates buckle with aforementioned catching groove 15, the right-hand member of light guide plate 30 extends to be installed in cavity 13, and the right-hand member lateral margin of light guide plate 30 is provided with breach 32; In the present embodiment, the left surface of this light guide plate 30 and front and back sides are provided with aforementioned buckle portion 31, and each buckle portion 31 and corresponding catching groove 15 are fitted to each other buckle.
This diffusion barrier 40 is covered on the surface of light guide plate 30; Ringwise, photomask 50 is covered in the surface periphery of diffusion barrier 40 to this photomask 50.
This light-emitting section 60 is arranged in aforementioned installation cavity 14, light-emitting section 60 includes substrate 61 and LED 62, this substrate 61 level is butted on light guide plate 30 right end face and also covers aforementioned breach 32 completely, one end of substrate 61 is spacing by aforementioned limited block 17, the other end of substrate 61 hooks fixing by aforementioned flexible button 18, and the lateral border of substrate 61 is welded with conductive feet 63, and this conductive feet 63 is stretched out outside pedestal 10 downwards, this LED 62 is arranged on the bottom surface of substrate 61, and LED 62 is positioned at aforementioned breach 32.
This LCD 70 is placed in accommodating cavity 13, and the bottom surface periphery of LCD 70 is butted on the surperficial inner peripheral of photomask 50, and the surface periphery of LCD 70 fastens fixing by aforementioned barb 16.
And, the internal face of this breach 32 is provided with light modulation layer 81, this light modulation layer 81 is provided with quantum dot fluorescence bisque 82, this quantum dot fluorescence bisque 82 is for changing into white light by blue light, this LED 62 has blue LED die 621, and blue LED die 621 is just to quantum dot fluorescence bisque 82.
During assembling, reflectance coating 20 is put into the inner bottom surface of accommodating cavity 13; Then, light guide plate 30 is put into accommodating cavity 13 from top to bottom, and make buckle portion 31 coordinate buckle with catching groove 15; Then, photomask 50 is covered in the surface periphery of diffusion barrier 40 by surface diffusion barrier 40 being covered in light guide plate 30; Then, one end of the substrate 61 of light-emitting section 60 is stuck in below limited block 17, and the other end of substrate 61 is pressed downwardly onto position, utilize elastic buckles 18 to hook fixing, thus make light-emitting section 60 firmly be fixed in installation cavity 14; Finally, LCD 70 is pressed in accommodating cavity 13 from top to bottom, utilizes barb 16 to fasten fixing.
During work, the blue ray that blue LED die 621 sends is successively through entering in light guide plate 30 after quantum dot fluorescence bisque 82 and light modulation layer 81, this quantum dot fluorescence bisque 82 is for becoming white light by blue light, this light modulation layer 81 is for carrying out light modulation to white light, make light soft, white light conducts in light guide plate 30, and light conducts upward under the effect of reflectance coating 20, then, white light injects LCD 70 after diffusion barrier 40 evenly diffusion.
Design focal point of the present utility model is: first, buckle is coordinated with catching groove by utilizing buckle portion, light guide plate is made firmly to be installed in accommodating cavity, barb is utilized LCD to be firmly installed in accommodating cavity, and, coordinate and utilize limited block and elastic buckles to make light-emitting section firmly be installed in installation cavity, simple and compact for structure, easy to assembly, and be convenient to product and realize installing be connected with outside.Secondly, by adopting blue LED die, and coordinate quantum dot fluorescent powder layer and light modulation layer, blue light is become white light, instead of the mode adopting white LED chip of tradition, so effectively can improve the colour rendering index of product while reducing costs, brightness also raises, light loss is less simultaneously, and cost is also lower.
The above, it is only preferred embodiment of the present utility model, not technical scope of the present utility model is imposed any restrictions, therefore every above embodiment is done according to technical spirit of the present utility model any trickle amendment, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (4)
1. a vehicle LED backlight for structural improvement, is characterized in that: include pedestal, reflectance coating, light guide plate, diffusion barrier, photomask, light-emitting section and LCD; The bottom surface of this pedestal is extended downwards locating dowel and installing tache, the accommodating cavity of the recessed formation in surface of this pedestal and installation cavity, this accommodating cavity communicates with each other with installation cavity, the sidewall of accommodating cavity is provided with catching groove and barb, barb is positioned at the top of catching groove, the front side wall of this installation cavity is formed with limited block, and the rear wall installing cavity is formed with elastic buckles; This reflectance coating is arranged on the inner bottom surface of accommodating cavity; This light guide plate and accommodating cavity suitable and be embedded in accommodating cavity, fit in the surface of reflectance coating and the bottom surface of light guide plate, the side convex of light guide plate is provided with buckle portion, and this buckle portion coordinates buckle with aforementioned catching groove, the right-hand member of light guide plate extends to be installed in cavity, and the right-hand member lateral margin of light guide plate is provided with breach; This diffusion barrier is covered on the surface of light guide plate; Ringwise, photomask is covered in the surface periphery of diffusion barrier to this photomask; This light-emitting section is arranged in aforementioned installation cavity, light-emitting section includes substrate and LED, this substrate level is butted on light guide plate right end face and also covers aforementioned breach completely, one end of substrate is spacing by aforementioned limited block, the other end of substrate is lived fixing by aforementioned flexible clasp, and the lateral border of substrate is welded with conductive feet, and this conductive feet is stretched out downwards outside pedestal, this LED is arranged on the bottom surface of substrate, and LED is positioned at aforementioned breach; This LCD is placed in accommodating cavity, and the bottom surface periphery of LCD is butted on the surperficial inner peripheral of photomask, and the surface periphery of LCD fastens fixing by aforementioned barb.
2. the vehicle LED backlight of structural improvement according to claim 1, is characterized in that: the cephalolateral margin two ends, bottom surface of described pedestal are extended all downwards an aforementioned installing tache, and the bottom surface back edge two ends of pedestal are extended all downwards an aforementioned locating dowel.
3. the vehicle LED backlight of structural improvement according to claim 1, it is characterized in that: the internal face of described breach is provided with light modulation layer, this light modulation layer is provided with quantum dot fluorescence bisque, and this LED has blue LED die, and blue LED die is just to quantum dot fluorescence bisque.
4. the vehicle LED backlight of structural improvement according to claim 1, it is characterized in that: left side wall and the front-rear side walls of described accommodating cavity are provided with aforementioned catching groove, accordingly, the left surface of this light guide plate and front and back sides are provided with aforementioned buckle portion, and each buckle portion and corresponding catching groove are fitted to each other buckle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420848514.8U CN204300849U (en) | 2014-12-29 | 2014-12-29 | The vehicle LED backlight of structural improvement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420848514.8U CN204300849U (en) | 2014-12-29 | 2014-12-29 | The vehicle LED backlight of structural improvement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204300849U true CN204300849U (en) | 2015-04-29 |
Family
ID=53106384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420848514.8U Expired - Fee Related CN204300849U (en) | 2014-12-29 | 2014-12-29 | The vehicle LED backlight of structural improvement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204300849U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107680502A (en) * | 2017-11-17 | 2018-02-09 | 江门市蓬江区精汇电子科技有限公司 | A kind of novel LED digital pipe |
-
2014
- 2014-12-29 CN CN201420848514.8U patent/CN204300849U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107680502A (en) * | 2017-11-17 | 2018-02-09 | 江门市蓬江区精汇电子科技有限公司 | A kind of novel LED digital pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20150429 Termination date: 20151229 |
|
| EXPY | Termination of patent right or utility model |