CN204300846U - Refrigerator water proof type LED backlight - Google Patents
Refrigerator water proof type LED backlight Download PDFInfo
- Publication number
- CN204300846U CN204300846U CN201420838961.5U CN201420838961U CN204300846U CN 204300846 U CN204300846 U CN 204300846U CN 201420838961 U CN201420838961 U CN 201420838961U CN 204300846 U CN204300846 U CN 204300846U
- Authority
- CN
- China
- Prior art keywords
- guide plate
- light guide
- mounting groove
- storage tank
- lamp bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of refrigerator water proof type LED backlight, includes heat radiation aluminum frame, light guide plate, reflectance coating, diffusion barrier, bright enhancement film, diaphragm and LED lamp bar; This heat radiation aluminum frame has a mounting groove; One lateral margin of this light guide plate is inserted in mounting groove, and the surface of this light guide plate is arranged with storage tank and in the surface periphery formation annular boss of light guide plate, annular boss surrounds storage tank; By this, be all filled with marine glue by each opening part at mounting groove, utilize marine glue to make LED lamp bar be sealed in mounting groove, to realize good water-proof function, can be used in occasion as larger in various steam such as refrigerators, range of application expands; And utilize double faced adhesive tape to be fixedly connected with the surface of annular boss by the periphery of diaphragm, to prevent water vapour from entering in storage tank, coordinate simultaneously and utilize reflectance coating, diffusion barrier and bright enhancement film, effectively improve face luminous mass; The utility model structure is simple, easy to assembly, and cost is low.
Description
Technical field
The utility model relates to backlight art, refers in particular to a kind of refrigerator water proof type LED backlight.
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.
Backlight is widely used in the various display unit such as TV, computer monitor, panel computer, but, current backlight diffusion effect and waterproof effect all undesirable, cause face luminous mass poor, and cannot be used in occasion as larger in various steam such as refrigerators, range of application is narrow.
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 refrigerator water proof type LED backlight, and it effectively can solve existing backlight diffusion effect and the undesirable problem of waterproof effect.
For achieving the above object, the utility model adopts following technical scheme:
A kind of refrigerator water proof type LED backlight, includes heat radiation aluminum frame, light guide plate, reflectance coating, diffusion barrier, bright enhancement film, diaphragm and LED lamp bar; This heat radiation aluminum frame has a mounting groove; One lateral margin of this light guide plate is inserted in mounting groove, and the surface of this light guide plate is arranged with storage tank and in the surface periphery formation annular boss of light guide plate, annular boss surrounds storage tank; This reflectance coating is covered on the bottom surface of light guide plate; This diffusion barrier is covered on the inner bottom surface of storage tank, and this bright enhancement film is covered on the surface of diffusion barrier; Aforementioned toroidal boss be successively laid with double faced adhesive tape, the periphery of this diaphragm is fixedly connected with the surface of annular boss by double faced adhesive tape, and diaphragm covers storage tank completely; This LED lamp bar is arranged in mounting groove, this LED lamp bar includes aluminium base and multiple LED chip, this aluminium base is fixed on the internal face of mounting groove by heat-conducting glue laminating, the plurality of LED chip is arranged at intervals on aluminium base, and the plurality of LED chip enters light side just to light guide plate, all the other each sides of light guide plate and the bottom surface of reflectance coating are coated with photomask; And each opening part of this mounting groove is all filled with and makes LED lamp bar be sealed in marine glue in mounting groove, and LED lamp bar is connected with power line, and this power line stretches out heat radiation aluminum frame, and power line tail end is connected with a connector.
As a kind of preferred version, the surface of described light guide plate is formed with multiple diffusion point by the mode of laser dotting.
As a kind of preferred version, described LED chip is blue LED die, and the light side of entering of this light guide plate is coated with quantum dot fluorescence bisque.
As a kind of preferred version, described quantum dot fluorescence bisque is coated with filter coating.
As a kind of preferred version, the lateral border of described light guide plate is arranged with locating slot.
The utility model compared with prior art has obvious advantage and beneficial effect, specifically, as shown from the above technical solution:
All be filled with marine glue by each opening part at mounting groove, utilize marine glue to make LED lamp bar be sealed in mounting groove, to realize good water-proof function, can be used in occasion as larger in various steam such as refrigerators, range of application expands; And utilize double faced adhesive tape to be fixedly connected with the surface of annular boss by the periphery of diaphragm, to prevent water vapour from entering in storage tank, coordinate simultaneously and utilize reflectance coating, diffusion barrier and bright enhancement film, effectively improve face luminous mass; The utility model structure is simple, easy to assembly, and cost is low.
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 front view of the preferred embodiment of the utility model;
Fig. 2 is the enlarged diagram of A position in Fig. 1;
Fig. 3 is the amplification sectional view in B-B direction in Fig. 1.
Accompanying drawing identifier declaration:
10, dispel the heat aluminum frame 11, mounting groove
20, light guide plate 21, storage tank
22, annular boss 23, diffusion point
24, locating slot 30, reflectance coating
40, diffusion barrier 50, bright enhancement film
60, diaphragm 70, LED lamp bar
71, aluminium base 72, LED chip
81, double faced adhesive tape 82, heat-conducting glue
83, photomask 84, marine glue
85, power line 86, connector
87, quantum dot fluorescence bisque 88, filter coating.
Detailed description of the invention
Please refer to shown in Fig. 1 to Fig. 3, that show the concrete structure of the preferred embodiment of the utility model, include heat radiation aluminum frame 10, light guide plate 20, reflectance coating 30, diffusion barrier 40, bright enhancement film 50, diaphragm 60 and LED lamp bar 70.
This heat radiation aluminum frame 10 has a mounting groove 11; One lateral margin of this light guide plate 20 is inserted in mounting groove 11, and the surface of this light guide plate 20 is arranged with storage tank 21 and in the surface periphery formation annular boss 22 of light guide plate 20, annular boss 22 surrounds storage tank 21; This reflectance coating 30 is covered on the bottom surface of light guide plate 20; This diffusion barrier 40 is covered on storage tank 21 inner bottom surface, and this bright enhancement film 50 is covered on the surface of diffusion barrier 40; Aforementioned toroidal boss 22 be successively laid with double faced adhesive tape 81; the periphery of this diaphragm 60 is fixedly connected with by the surface of double faced adhesive tape 81 with annular boss 22; and diaphragm 60 covers storage tank 21 completely, to prevent water vapour from entering in storage tank 21, thus ensure out light quality.Further, in the present embodiment, the surface of this light guide plate 20 is formed with multiple diffusion point 23 by the mode of laser dotting, convenient formation, and the diffusion effect promoting light, and, the lateral border of this light guide plate 20 is arranged with locating slot 24, to make the utility model coordinate location and installation with outside.
This LED lamp bar 70 is arranged in mounting groove 11, this LED lamp bar 70 includes aluminium base 71 and multiple LED chip 72, this aluminium base 71 is fixed on the internal face of mounting groove 11 by heat-conducting glue 82 laminating, the plurality of LED chip 72 is arranged at intervals on aluminium base 71, and the plurality of LED chip 72 enters light side just to light guide plate 20, all the other each sides of light guide plate 20 and the bottom surface of reflectance coating 30 are coated with photomask 83; And, each opening part of this mounting groove 11 is all filled with marine glue 84, this marine glue 84 makes LED lamp bar 70 be sealed in mounting groove 11, prevent steam from entering the normal work affecting LED lamp bar 70 in mounting groove 11, and LED lamp bar 70 is connected with power line 85, this power line 85 stretches out heat radiation aluminum frame 10, and power line 85 tail end is connected with a connector 86, and this connector 86 is the connector of locking stator.In the present embodiment, this LED chip 72 is blue LED die, the light side of entering of this light guide plate 20 is coated with quantum dot fluorescence bisque 87, this quantum dot fluorescence bisque 87 is for being transformed into white light by blue light, and, this quantum dot fluorescence bisque 87 is coated with filter coating 88, utilizes filter coating 88 can filter part veiling glare.
The course of work that the present embodiment is described in detail in detail is as follows:
During work, the utility model is installed with in refrigerator, and connector 86 is plugged in the internal circuit of refrigerator and is electrically connected, after unlatching, LED lamp bar 70 is lighted, LED chip 72 produces blue light, blue light is successively through filter coating 88 and quantum dot fluorescence bisque 87, veiling glare filters by filter coating 88, blue light is become white light by this quantum dot fluorescence bisque 87, white light enters in light guide plate 20, white light conducts in light guide plate 20, and light conducts upward under the effect of reflectance coating 30, then, white light is successively through diffusion barrier 40, the evenly rear injection of diffusion of bright enhancement film 50 and diaphragm 60, achieve face luminescence.The heat that LED lamp bar 70 produces is passed in heat radiation aluminum frame 10 by heat-conducting glue 82, utilizes heat radiation aluminum frame 10 to carry out quick heat radiating.
Design focal point of the present utility model is: be all filled with marine glue by each opening part at mounting groove, marine glue is utilized to make LED lamp bar be sealed in mounting groove, to realize good water-proof function, can be used in occasion as larger in various steam such as refrigerators, range of application expands; And utilize double faced adhesive tape to be fixedly connected with the surface of annular boss by the periphery of diaphragm, to prevent water vapour from entering in storage tank, coordinate simultaneously and utilize reflectance coating, diffusion barrier and bright enhancement film, effectively improve face luminous mass; The utility model structure is simple, easy to assembly, and cost is low.
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 (5)
1. a refrigerator water proof type LED backlight, is characterized in that: include heat radiation aluminum frame, light guide plate, reflectance coating, diffusion barrier, bright enhancement film, diaphragm and LED lamp bar; This heat radiation aluminum frame has a mounting groove; One lateral margin of this light guide plate is inserted in mounting groove, and the surface of this light guide plate is arranged with storage tank and in the surface periphery formation annular boss of light guide plate, annular boss surrounds storage tank; This reflectance coating is covered on the bottom surface of light guide plate; This diffusion barrier is covered on the inner bottom surface of storage tank, and this bright enhancement film is covered on the surface of diffusion barrier; Aforementioned toroidal boss be successively laid with double faced adhesive tape, the periphery of this diaphragm is fixedly connected with the surface of annular boss by double faced adhesive tape, and diaphragm covers storage tank completely; This LED lamp bar is arranged in mounting groove, this LED lamp bar includes aluminium base and multiple LED chip, this aluminium base is fixed on the internal face of mounting groove by heat-conducting glue laminating, the plurality of LED chip is arranged at intervals on aluminium base, and the plurality of LED chip enters light side just to light guide plate, all the other each sides of light guide plate and the bottom surface of reflectance coating are coated with photomask; And each opening part of this mounting groove is all filled with and makes LED lamp bar be sealed in marine glue in mounting groove, and LED lamp bar is connected with power line, and this power line stretches out heat radiation aluminum frame, and power line tail end is connected with a connector.
2. refrigerator water proof type LED backlight according to claim 1, is characterized in that: the surface of described light guide plate is formed with multiple diffusion point by the mode of laser dotting.
3. refrigerator water proof type LED backlight according to claim 1, is characterized in that: described LED chip is blue LED die, the light side of entering of this light guide plate is coated with quantum dot fluorescence bisque.
4. refrigerator water proof type LED backlight according to claim 3, is characterized in that: described quantum dot fluorescence bisque is coated with filter coating.
5. refrigerator water proof type LED backlight according to claim 1, is characterized in that: the lateral border of described light guide plate is arranged with locating slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420838961.5U CN204300846U (en) | 2014-12-26 | 2014-12-26 | Refrigerator water proof type LED backlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420838961.5U CN204300846U (en) | 2014-12-26 | 2014-12-26 | Refrigerator water proof type LED backlight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204300846U true CN204300846U (en) | 2015-04-29 |
Family
ID=53106381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420838961.5U Expired - Fee Related CN204300846U (en) | 2014-12-26 | 2014-12-26 | Refrigerator water proof type LED backlight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204300846U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109404774A (en) * | 2017-08-15 | 2019-03-01 | 元太科技工业股份有限公司 | Water-proof illuminant module and display device |
| US20190196086A1 (en) * | 2017-12-22 | 2019-06-27 | Emz-Hanauer Gmbh & Co. Kgaa | Panel lighting module and method for the mounting thereof |
| CN112524585A (en) * | 2019-09-17 | 2021-03-19 | 元太科技工业股份有限公司 | Waterproof light-emitting module |
| US11041616B2 (en) | 2019-09-17 | 2021-06-22 | E Ink Holdings Inc. | Lighting module and display device |
-
2014
- 2014-12-26 CN CN201420838961.5U patent/CN204300846U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109404774A (en) * | 2017-08-15 | 2019-03-01 | 元太科技工业股份有限公司 | Water-proof illuminant module and display device |
| US20190196086A1 (en) * | 2017-12-22 | 2019-06-27 | Emz-Hanauer Gmbh & Co. Kgaa | Panel lighting module and method for the mounting thereof |
| US10571616B2 (en) * | 2017-12-22 | 2020-02-25 | Emz-Hanauer Gmbh & Co. Kgaa | Panel lighting module and method for the mounting thereof |
| CN112524585A (en) * | 2019-09-17 | 2021-03-19 | 元太科技工业股份有限公司 | Waterproof light-emitting module |
| US11041616B2 (en) | 2019-09-17 | 2021-06-22 | E Ink Holdings Inc. | Lighting module and display device |
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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: 20151226 |
|
| EXPY | Termination of patent right or utility model |