CN107561780A - 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
- Publication number
- CN107561780A CN107561780A CN201710804286.2A CN201710804286A CN107561780A CN 107561780 A CN107561780 A CN 107561780A CN 201710804286 A CN201710804286 A CN 201710804286A CN 107561780 A CN107561780 A CN 107561780A
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- glue shell
- diffuser plate
- wiring boards
- straight
- lower aluminium
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Abstract
The present invention and back light source technique field, more particularly to a kind of vehicle-mounted backlights of straight-down negative LED, including lower aluminium frame and glue shell, FPC wiring boards, diffuser plate, bright enhancement film and the middle chase being sequentially arranged at from bottom to top on the lower aluminium frame；The inwall of the glue shell is ramp structure；The glue shell is fixedly installed on the lower aluminium inframe；The FPC wiring boards are bonded in by heat-conducting glue on the loading end of the lower aluminium inframe；Multiple LED lamp beads are provided with the FPC wiring boards；The diffuser plate tiling sets fixation and put on the glue shell；There is certain height space between the diffuser plate and the FPC wiring boards.Using the technical scheme, lower aluminium frame is made of radiating aluminium sheet, perfect heat-dissipating, is increased 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 present invention and 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, and its illumination effect will be straight
Connect and have influence on LCD MODULE (LCM) visual effect, existing market is especially high to the performance requirement of backlight, and for example brightness will
High, contrast 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
The performance in traditional backlight source does not reach these requirements much.
The content of the invention
In view of the above problems, it is an object of the invention to provide a kind of vehicle-mounted backlights of straight-down negative LED, solves prior art
The problem of middle back light source brightness is low, color rendition degree, thermal diffusivity and against shock poor performance, and service life is short.
The present invention complete skill scheme be：
The invention discloses a kind of vehicle-mounted backlights of straight-down negative LED, including lower aluminium frame and it is sequentially arranged at from bottom to top
Glue shell, FPC wiring boards, diffuser plate, bright enhancement film and middle chase on the lower aluminium frame；The inwall of the glue shell is ramp structure；
The glue shell is fixedly installed on the lower aluminium inframe；The FPC wiring boards are bonded in holding for the lower aluminium inframe by heat-conducting glue
On section；Multiple LED lamp beads are provided with the FPC wiring boards；The diffuser plate tiling sets fixation and put on the glue shell；Institute
Stating has certain height space between diffuser plate and the FPC wiring boards.
Further, opened up on the corner of the diffuser plate jagged；On the glue shell with the diffuser plate
The corresponding position of breach is provided with silica gel；The diffuser plate is fixedly installed by the interference fit of the breach and the silica gel
On the glue shell.
Further, the glue shell is bonded in lower aluminium inframe.
Further, it is pasted with double faced adhesive tape on the loading end of the lower aluminium inframe；The glue shell passes through the double faced adhesive tape
It is bonded in the lower aluminium inframe.
Further, the bright enhancement film includes upper bright enhancement film and lower bright enhancement film；The upper bright enhancement film adds lustre under described
The top of film；Bright enhancement film with offering back-shaped breach respectively on the corner of the lower bright enhancement film on described；The back-shaped breach
It is chimeric with the silica gel, for positioning or fixing the bright enhancement film, prevent it to be moved.
Further, the FPC wiring boards anti-pad periphery is two-sided via structure, strengthens heat sinking function.
Further, the slot passed 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 with the upper surface of the middle chase.
Therefore using the technical scheme of the embodiment of the present invention, have the advantages that：
The invention provides a kind of vehicle-mounted backlights of straight-down negative LED, and using the technical scheme, lower aluminium frame uses radiating aluminium sheet
It is made, perfect heat-dissipating, increases the service life, glue shell inner surface is designed as ramp structure, light source can be made preferably to give out
Coming, improve light-source brightness, color rendition degree is high, meanwhile, diffuser plate is fixedly connected on glue shell, and vibration resistance can be good.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, not
Inappropriate limitation of the present invention is formed, in the accompanying drawings：
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the decomposition texture schematic diagram of the present invention；
Fig. 3 is the front view of glue shell in the present invention；
Fig. 4 is the sectional view of the overlook direction of glue shell in the present invention；
Fig. 5 is the structure chart of FPC wiring boards in the present invention；
Fig. 6 is the front view of lower aluminium frame in the present invention；
Fig. 7 is the structural representation of diffuser plate in the present invention.
Embodiment
The present invention is described in detail below in conjunction with accompanying drawing and specific embodiment, it is of the present utility model schematically real herein
Apply example and explanation is used for explaining the present invention, but it is not as a limitation of the 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 from
Glue shell 2, FPC wiring boards 3, diffuser plate 4, bright enhancement film 5 and the middle chase 6 being sequentially arranged on down on lower aluminium frame 1；Glue shell 2
Inwall is ramp structure；Glue shell 2 is fixedly installed in lower aluminium frame 1；FPC wiring boards 3 are bonded in lower aluminium frame 1 by heat-conducting glue 4
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 put on glue shell 2；There is certain height space between diffuser plate 4 and FPC wiring boards 5, when light source from
During beneath Vertical Launch goes out, its space moved is following narrow wide above, contributes to more photomovements to diffuser plate 4
Diverged and when upper, then by the effect of bright enhancement film 5, and then improve the brightness of light source, improve picture to a certain extent
The color in face.
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
Breach 41；The position corresponding with the breach 41 on diffuser plate 4 is provided with silica gel 7 on glue shell 2；Diffuser plate 4 passes through breach 41
It is fixedly installed on the interference fit of silica gel 7 on glue shell 2.
Meanwhile in order to prevent glue shell contraction distortion, double faced adhesive tape 8 is pasted with the loading end in lower aluminium frame 1；Glue shell 2 is logical
Cross on the inwall that double faced adhesive tape 8 is bonded in lower aluminium frame 1, improve 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 breach 53 is offered respectively on the corner of upper bright enhancement film 51 and lower bright enhancement film 52；Back-shaped breach
83 is chimeric with silica gel 7, for positioning or fixing bright enhancement film 5, prevents it to be moved.
Further, as shown in Figure 5, Figure 6, it is two-sided on the anti-pad periphery of FPC wiring boards 3 in order to improve heat dispersion
Via structure, strengthen heat sinking function；Meanwhile offered on the side of lower aluminium frame 1 and supply the FPC ends 31 of the FPC wiring boards 3 to wear
The slot 11 gone out.
As shown in figure 1, one layer of foam rubber 9 is provided with the upper surface of middle chase 6.
The technical scheme provided above the embodiment of the present invention is described in detail, specific case used herein
The principle and embodiment of the embodiment of the present invention are set forth, the explanation of above example is only applicable to help and understands this
The principle of inventive embodiments；Meanwhile for those of ordinary skill in the art, according to the embodiment of the present invention, in specific embodiment party
There will be changes in formula and application, to sum up, this specification content should not be construed as limiting the invention.
Claims (8)
- A kind of 1. 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 chase；The inwall of the glue shell is ramp structure；The glue shell is fixedly installed on the lower aluminium inframe；The FPC wiring boards are bonded in by heat-conducting glue on the loading end of the lower aluminium inframe；Multiple LED lamp beads are provided with the FPC wiring boards；The diffuser plate tiling is fixedly installed on the glue shell；There is certain height space between the diffuser plate and the FPC wiring boards.
- A kind of 2. vehicle-mounted backlights of straight-down negative LED according to claim 1, it is characterised in that：Opened up on the corner of the diffuser plate jagged；The position corresponding with the breach on the diffuser plate is provided with silica gel on the glue shell；The diffuser plate is fixedly installed on the glue shell by the interference fit of the breach and the silica gel.
- A kind of 3. 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 inframe.
- A kind of 4. vehicle-mounted backlights of straight-down negative LED according to claim 3, it is characterised in that：Double faced adhesive tape is pasted with the loading end of the lower aluminium inframe；The glue shell is bonded in the lower aluminium inframe by the double faced adhesive tape.
- A kind of 5. vehicle-mounted backlights of straight-down negative LED according to claim 1, 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 breach respectively on the corner of the lower bright enhancement film on described；The back-shaped breach is chimeric with the silica gel, for positioning or fixing the bright enhancement film, prevents it to be moved.
- A kind of 6. vehicle-mounted backlights of straight-down negative LED according to claim 1, it is characterised in that：The FPC wiring boards welding resistance Disk periphery is two-sided via structure, strengthens heat sinking function.
- A kind of 7. vehicle-mounted backlights of straight-down negative LED according to claim 6, it is characterised in that：In the side of the lower aluminium frame The slot passed for the FPC ends of the FPC wiring boards is offered on face.
- A kind of 8. vehicle-mounted backlights of straight-down negative LED according to claim 1, it is characterised in that：In the upper of the middle chase One layer of foam rubber is provided with surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710804286.2A CN107561780A (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 |
|---|---|---|---|
| CN201710804286.2A CN107561780A (en) | 2017-09-08 | 2017-09-08 | A kind of vehicle-mounted backlights of straight-down negative LED |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107561780A true CN107561780A (en) | 2018-01-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710804286.2A Pending CN107561780A (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) | CN107561780A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058912A (en) * | 2018-06-07 | 2018-12-21 | 伟志光电（深圳）有限公司 | A kind of straight-down negative multi-section display backlight |
| CN113534534A (en) * | 2021-07-08 | 2021-10-22 | 深圳亿成光电科技有限公司 | Backlight source structure of vehicle-mounted TFT display screen |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200919001A (en) * | 2007-10-17 | 2009-05-01 | Au Optronics Corp | Backlight module and frame thereof |
| CN202171184U (en) * | 2011-08-22 | 2012-03-21 | 京东方科技集团股份有限公司 | Backlight module, liquid crystal display and electric equipment |
| CN102818193A (en) * | 2012-08-20 | 2012-12-12 | 创维液晶器件(深圳)有限公司 | Direct type LED (light emitting diode) backlight module and display device of direct type LED backlight module |
| CN102819125A (en) * | 2012-05-02 | 2012-12-12 | 友达光电股份有限公司 | Display device |
| CN103017038A (en) * | 2012-12-13 | 2013-04-03 | 京东方科技集团股份有限公司 | Direct type backlight source and display device |
| CN203500956U (en) * | 2013-07-23 | 2014-03-26 | 伟志光电（深圳）有限公司 | Self-anti-static vehicle-mounted LED (Light Emitting Diode) backlight source |
| CN207424453U (en) * | 2017-09-08 | 2018-05-29 | 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 CN201710804286.2A patent/CN107561780A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200919001A (en) * | 2007-10-17 | 2009-05-01 | Au Optronics Corp | Backlight module and frame thereof |
| CN202171184U (en) * | 2011-08-22 | 2012-03-21 | 京东方科技集团股份有限公司 | Backlight module, liquid crystal display and electric equipment |
| CN102819125A (en) * | 2012-05-02 | 2012-12-12 | 友达光电股份有限公司 | Display device |
| CN102818193A (en) * | 2012-08-20 | 2012-12-12 | 创维液晶器件(深圳)有限公司 | Direct type LED (light emitting diode) backlight module and display device of direct type LED backlight module |
| CN103017038A (en) * | 2012-12-13 | 2013-04-03 | 京东方科技集团股份有限公司 | Direct type backlight source and display device |
| CN203500956U (en) * | 2013-07-23 | 2014-03-26 | 伟志光电（深圳）有限公司 | Self-anti-static vehicle-mounted LED (Light Emitting Diode) backlight source |
| CN207424453U (en) * | 2017-09-08 | 2018-05-29 | 伟志光电（深圳）有限公司 | A kind of vehicle-mounted backlights of straight-down negative LED |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058912A (en) * | 2018-06-07 | 2018-12-21 | 伟志光电（深圳）有限公司 | A kind of straight-down negative multi-section display backlight |
| CN113534534A (en) * | 2021-07-08 | 2021-10-22 | 深圳亿成光电科技有限公司 | Backlight source structure of vehicle-mounted TFT display screen |
| CN113534534B (en) * | 2021-07-08 | 2024-01-05 | 深圳亿成光电科技有限公司 | Backlight source structure of vehicle-mounted TFT display screen |
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