CN207424453U - A kind of vehicle-mounted backlights of straight-down negative LED - Google Patents
A kind of vehicle-mounted backlights of straight-down negative LED Download PDFInfo
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- CN207424453U CN207424453U CN201721152170.7U CN201721152170U CN207424453U CN 207424453 U CN207424453 U CN 207424453U CN 201721152170 U CN201721152170 U CN 201721152170U CN 207424453 U CN207424453 U CN 207424453U
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- glue shell
- aluminium frame
- diffuser plate
- wiring boards
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Abstract
The utility model is related to back light source technique field, more particularly to a kind of vehicle-mounted backlights of straight-down negative LED, including lower aluminium frame and the glue shell, FPC wiring boards, diffuser plate, bright enhancement film and the middle iron frame that are sequentially arranged at from bottom to top on the lower aluminium frame；The inner wall of the glue shell is ramp structure；The glue shell is fixed in the lower aluminium frame；The FPC wiring boards are bonded in by heat-conducting glue on the loading end in the lower aluminium frame；Multiple LED lamp beads are provided on the FPC wiring boards；The diffuser plate tiling sets fixation and puts on the glue shell；There is certain height space between the diffuser plate and the FPC wiring boards.Using the technical solution, lower aluminium frame is made of radiating aluminium sheet, and perfect heat-dissipating prolongs the service life, glue shell inner surface is designed as ramp structure, light source can be made preferably to come out, and improves light-source brightness, and color rendition degree is high, meanwhile diffuser plate is fixedly connected on glue shell, vibration resistance can be good.
Description
Technical field
The utility model is related to back light source technique field, more particularly to a kind of vehicle-mounted backlights of straight-down negative LED.
Background technology
Backlight (BackLight) is a kind of light source positioned at liquid crystal display (LCD) behind, its illumination effect will be straight
It connects and influences LCD MODULE (LCM) visual effect, existing market is especially high to the performance requirement of backlight, and for example brightness will
High, comparison display is substantially, color rendition degree is true, perfect heat-dissipating, service life are long and also to have the characteristic of against shock, and
These requirements are much not achieved in the performance in traditional backlight source.
Utility model content
In view of the above problems, the purpose of this utility model is to provide a kind of vehicle-mounted backlights of straight-down negative LED, solve existing
The problem of back light source brightness is low in technology, color rendition degree, thermal diffusivity and against shock poor performance, and service life is short.
The complete technical solution of the utility model is：
The utility model discloses a kind of vehicle-mounted backlights of straight-down negative LED, pacify from bottom to top including lower aluminium frame and successively
Glue shell, FPC wiring boards, diffuser plate, bright enhancement film and middle iron frame on the lower aluminium frame；The inner wall of the glue shell is inclined-plane knot
Structure；The glue shell is fixed in the lower aluminium frame；The FPC wiring boards are bonded in by heat-conducting glue in the lower aluminium frame
On loading end；Multiple LED lamp beads are provided on the FPC wiring boards；The diffuser plate tiling sets fixation and puts on the glue shell；
There is certain height space between the diffuser plate and the FPC wiring boards.
Further, opened up on the corner of the diffuser plate jagged；On the glue shell on the diffuser plate
The corresponding position of notch is provided with silica gel；The diffuser plate is fixedly installed by the interference fit of the notch and the silica gel
On the glue shell.
Further, the glue shell is bonded in lower aluminium frame.
Further, it is pasted with double faced adhesive tape on the loading end in the lower aluminium frame；The glue shell passes through the double faced adhesive tape
It is bonded in the lower aluminium frame.
Further, the bright enhancement film includes upper bright enhancement film and lower bright enhancement film；The upper bright enhancement film be located at it is described under add lustre to
The top of film；Bright enhancement film with offering back-shaped notch respectively on the corner of the lower bright enhancement film on described；The back-shaped notch
It is chimeric with the silica gel, for positioning or fixing the bright enhancement film, prevent it from moving.
Further, the FPC wiring boards anti-pad periphery is two-sided via structure, enhances heat sinking function.
Further, the slot being pierced by for the FPC ends of the FPC wiring boards is offered on the side of the lower aluminium frame.
Further, one layer of foam rubber is provided on the upper surface of the middle iron frame.
Therefore it using the technical solution of the utility model embodiment, has the advantages that：
The utility model provides a kind of vehicle-mounted backlights of straight-down negative LED, and using the technical solution, lower aluminium frame is using heat dissipation
Aluminium flake is made, and perfect heat-dissipating prolongs the service life, and glue shell inner surface is designed as ramp structure, light source can be made preferably to dissipate
It issuing, improves light-source brightness, color rendition degree is high, meanwhile, diffuser plate is fixedly connected on glue shell, and vibration resistance can be good.
Description of the drawings
Attached drawing described herein is used to provide a further understanding of the present invention, and forms the part of the application,
The improper restriction to the utility model is not formed, in the accompanying drawings：
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the decomposition texture schematic diagram of the utility model；
Fig. 3 is the front view of glue shell in the utility model；
Fig. 4 is the sectional view of the overlook direction of glue shell in the utility model；
Fig. 5 is the structure chart of FPC wiring boards in the utility model；
Fig. 6 is the front view of lower aluminium frame in the utility model；
Fig. 7 is the structure diagram of diffuser plate in the utility model.
Specific embodiment
The utility model is described in detail below in conjunction with attached drawing and specific embodiment, in the signal of this utility model
Property embodiment and explanation be used for explaining the utility model, but be not intended to limit the scope of the present invention.
Embodiment 1：
As shown in figures 1-4, present embodiment discloses a kind of vehicle-mounted backlights of straight-down negative LED, including lower aluminium frame 1 and certainly
Glue shell 2, FPC wiring boards 3, diffuser plate 4, bright enhancement film 5 and the middle iron frame 6 being sequentially arranged on down on lower aluminium frame 1；Glue shell 2
Inner wall is ramp structure；Glue shell 2 is fixed in lower aluminium frame 1；FPC wiring boards 3 are bonded in by heat-conducting glue 4 in lower aluminium frame 1
Loading end on；3 are provided with multiple LED lamp beads on FPC wiring boards；LED lamp bead is in bottom, and the light sent is vertically upward；Diffusion
The tiling of plate 4 sets fixation and puts on glue shell 2；There is certain height space, when light source is the bottom of between diffuser plate 4 and FPC wiring boards 5
During sagging straight hair projects, the space of movement is following narrow wide above, contributes to more photomovements to diffuser plate 4
When diverge come, then by the effect of bright enhancement film 5, and then improve the brightness of light source, improve picture to a certain extent
Color.
In the present embodiment, as shown in fig. 7, to improve the vibration resistance energy of product, offered on the corner of diffuser plate 4
Notch 41；The 41 corresponding position of notch on diffuser plate 4 is provided with silica gel 7 on glue shell 2；Diffuser plate 4 passes through notch 41
It is fixed at the interference fit of silica gel 7 on glue shell 2.
Meanwhile glue shell contraction distortion in order to prevent, double faced adhesive tape 8 is pasted on the loading end in lower aluminium frame 1；Glue shell 2 is logical
It crosses on the inner wall that double faced adhesive tape 8 is bonded in lower aluminium frame 1, improves fixed effect.
More specifically, as shown in Figure 1, bright enhancement film 5 includes upper bright enhancement film 51 and lower bright enhancement film 52；Under upper bright enhancement film 51 is located at
The top of bright enhancement film 52；Back-shaped notch 53 is offered respectively on the corner of upper bright enhancement film 51 and lower bright enhancement film 52；Back-shaped notch
83 is chimeric with silica gel 7, for positioning or fixing bright enhancement film 5, prevents it from moving.
Further, as shown in Figure 5, Figure 6, it is two-sided on 3 anti-pad periphery of FPC wiring boards in order to improve heat dissipation performance
Via structure enhances heat sinking function；Meanwhile it is offered on the side of lower aluminium frame 1 and the FPC ends 31 of the FPC wiring boards 3 is supplied to wear
The slot 11 gone out.
As shown in Figure 1, one layer of foam rubber 9 is provided on the upper surface of middle iron frame 6.
The technical solution provided above the utility model embodiment is described in detail, used herein specifically
A example is set forth the principle and embodiment of the utility model embodiment, and the explanation of above example is only applicable to help
Assistant solves the principle of the utility model embodiment；Meanwhile for those of ordinary skill in the art, implement according to the utility model
Example, the there will be changes in specific embodiment and application range, to sum up, this specification content should not be construed as to this
The limitation of utility model.
Claims (8)
1. a kind of vehicle-mounted backlights of straight-down negative LED, it is characterised in that：
Including lower aluminium frame and the glue shell being sequentially arranged at from bottom to top on the lower aluminium frame, FPC wiring boards, diffuser plate, add lustre to
Film and middle iron frame；
The inner wall of the glue shell is ramp structure；
The glue shell is fixed in the lower aluminium frame；
The FPC wiring boards are bonded in by heat-conducting glue on the loading end in the lower aluminium frame；
Multiple LED lamp beads are provided on the FPC wiring boards；
The diffuser plate tiling is fixed on the glue shell；
There is certain height space between the diffuser plate and the FPC wiring boards.
2. a kind of vehicle-mounted backlights of straight-down negative LED according to claim 1, it is characterised in that：
It is opened up on the corner of the diffuser plate jagged；
The corresponding position of notch on the diffuser plate is provided with silica gel on the glue shell；
The diffuser plate is fixed at by the interference fit of the notch and the silica gel on the glue shell.
3. a kind of vehicle-mounted backlights of straight-down negative LED according to claim 1, it is characterised in that：
The glue shell is bonded in lower aluminium frame.
4. a kind of vehicle-mounted backlights of straight-down negative LED according to claim 3, it is characterised in that：
Double faced adhesive tape is pasted on loading end in the lower aluminium frame；
The glue shell is bonded in by the double faced adhesive tape in the lower aluminium frame.
5. a kind of vehicle-mounted backlights of straight-down negative LED according to claim 2, it is characterised in that：
The bright enhancement film includes upper bright enhancement film and lower bright enhancement film；
The upper bright enhancement film is located at the top of the lower bright enhancement film；
Bright enhancement film with offering back-shaped notch respectively on the corner of the lower bright enhancement film on described；
The back-shaped notch is chimeric with the silica gel, for positioning or fixing the bright enhancement film, prevents it from moving.
6. a kind of vehicle-mounted backlights of straight-down negative LED according to claim 1, it is characterised in that：
The FPC wiring boards anti-pad periphery is two-sided via structure, enhances heat sinking function.
7. a kind of vehicle-mounted backlights of straight-down negative LED according to claim 6, it is characterised in that：
The slot being pierced by for the FPC ends of the FPC wiring boards is offered on the side of the lower aluminium frame.
8. a kind of vehicle-mounted backlights of straight-down negative LED according to claim 1, it is characterised in that：
One layer of foam rubber is provided on the upper surface of the middle iron frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721152170.7U CN207424453U (en) | 2017-09-08 | 2017-09-08 | A kind of vehicle-mounted backlights of straight-down negative LED |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721152170.7U CN207424453U (en) | 2017-09-08 | 2017-09-08 | A kind of vehicle-mounted backlights of straight-down negative LED |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207424453U true CN207424453U (en) | 2018-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721152170.7U Active CN207424453U (en) | 2017-09-08 | 2017-09-08 | A kind of vehicle-mounted backlights of straight-down negative LED |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207424453U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107561780A (en) * | 2017-09-08 | 2018-01-09 | 伟志光电（深圳）有限公司 | A kind of vehicle-mounted backlights of straight-down negative LED |
-
2017
- 2017-09-08 CN CN201721152170.7U patent/CN207424453U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107561780A (en) * | 2017-09-08 | 2018-01-09 | 伟志光电（深圳）有限公司 | A kind of vehicle-mounted backlights of straight-down negative LED |
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