CN208457690U - A kind of straight-down negative multi-section display backlight - Google Patents
A kind of straight-down negative multi-section display backlight Download PDFInfo
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- CN208457690U CN208457690U CN201820881518.4U CN201820881518U CN208457690U CN 208457690 U CN208457690 U CN 208457690U CN 201820881518 U CN201820881518 U CN 201820881518U CN 208457690 U CN208457690 U CN 208457690U
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Abstract
The utility model relates to back light source technique fields, specifically disclose a kind of straight-down negative multi-section display backlight, PCB bottom plate, middle rubber shell, light-diffusing film and black and white one side glue including the assembling of level from bottom to top, it is divided on the PCB bottom plate and pre-sets region, each region that pre-sets is equipped with self-powered circuit and is uniformly placed with tube core；The middle rubber shell includes pre-seting region according to and setting subregion rubber shell being accordingly isolated.The beneficial effect is that: it uniformly arranges to the region progress tube core that pre-sets on PCB bottom plate, and middle rubber shell is set as matching with the region that pre-sets to realize multi-section display, and circuit can be operated alone in each subregion (pre-seting region)；Tube core in each subregion issues the light of different colours, and middle rubber shell is after PCB bottom plate combines, and middle rubber shell is divided by " ten " font in addition, its inner wall surrounding of the subregion each marked off has certain gradient, forms straight-down negative structure, improves the utilization rate of light.
Description
Technical field
The utility model relates to back light source technique field more particularly to a kind of straight-down negative multi-section display backlights.
Background technique
The illumination mode of conventional vehicle-mounted backlight is side light emitting structure, which can satisfy the requirement of general backlight,
But for the client of multi-functional requirement, conventional side light emitting structure is far from satisfying consumer demand, thus straight-down negative
Structure is come into being, and straight flowering structure maximum feature is LED light in product bottom, and light source issues vertically upward under, belongs to bottom hair
Optical mode, LED light can arrange uniformly, can also be according to product size self-defining, the straight-down negative with lamp quantity and lamp spacing
Structure can satisfy that client is highlighted, function of narrow frame and multi-section display, and the consumption view of consumer is more met in real life
It reads.
Summary of the invention
The technical issues of the utility model provides a kind of straight-down negative multi-section display backlight, solution is to meet user to straight
The multi-section display of backlight, high brightness, circuit is operated alone, each field color is different and structure is firm etc. requires.
In order to solve the above technical problems, the utility model provides a kind of straight-down negative multi-section display backlight, including is arrived by down
PCB bottom plate, middle rubber shell, light-diffusing film and the black and white one side glue of upper level assembling divide on the PCB bottom plate and pre-set region,
Each region that pre-sets is equipped with self-powered circuit and is uniformly placed with tube core；
The middle rubber shell includes the subregion rubber shell for pre-seting region according to and setting being accordingly isolated.
Specifically, the inner wall surrounding of each subregion rubber shell is provided with slope, and the subregion rubber shell is directed toward on the slope
Center and the gradient it is consistent；The slope is filled by transparent flexible glue, and the tube core is avoided to be oxidized and scrap.
Specifically, the ramp slope of the different subregion rubber shells is inconsistent.
Specifically, the PCB bottom plate by " ten " font be divided into 4 pieces described in pre-set region, the subregion rubber shell root
To pre-set region and be arranged in correspondence be 4 pieces according to described；The PCB bottom plate and the middle rubber shell bond, it is described pre-set region with
The subregion rubber shell corresponds, and forms the bottom backing structure of straight-down negative, realizes multi-section display.
Specifically, the distance between the light-diffusing film and the tube core (i.e. light is away from value OD, Optical Distance) are protected
It holds in particular range to reach ideal light efficiency effect.
Specifically, the light-diffusing film is pasted onto the middle rubber shell and adhering to double-sided adhesive in its lower surface；It is described to dissipate
Three side edges of light film upper surface are pasted with black and white one side glue, for preventing the tube core close to the middle rubber shell frame from leaking
Light.
A kind of straight-down negative multi-section display backlight provided by the utility model, has the advantages that
1, it uniformly arranges to the region progress tube core that pre-sets on PCB bottom plate, and middle rubber shell is set as presetting with described
It sets region to match to realize multi-section display, and circuit can be operated alone in each subregion (pre-seting region)；
2, tube core in each subregion issues the light of different colours, and middle rubber shell is with PCB bottom plate combines after, middle rubber shell quilt in addition
It divides to " ten " font, its inner wall surrounding of the subregion each marked off has certain gradient, forms straight-down negative structure, the structure
The space that light exhales can be increased, improve the utilization rate of light, display function is excellent, and the firm stabilization of structure.
Detailed description of the invention
Fig. 1 is a kind of Structure explosion diagram of straight-down negative multi-section display backlight provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of Fig. 1 embodiment PCB bottom plate provided by the utility model；
Fig. 3 is the structural schematic diagram of rubber shell in Fig. 1 embodiment provided by the utility model；
Fig. 4 is PCB bottom plate and the structural schematic diagram after the assembling of middle rubber shell in Fig. 1 embodiment provided by the utility model.
Wherein: PCB bottom plate 1 pre-sets region 11, tube core 12, positive and negative anodes 13；Middle rubber shell 2, subregion rubber shell 21, slope
211, subregion position 22；Light-diffusing film 3；Black and white one side glue 4.
Specific embodiment
The embodiments of the present invention is specifically illustrated with reference to the accompanying drawing, and embodiment is only given in order to illustrate mesh
, it can not be interpreted as the restriction to the utility model, including attached drawing is only for reference and illustrates use, do not constituted practical new to this
The limitation of type scope of patent protection, because on the basis of not departing from the spirit and scope of the utility model, it can be to the utility model
Carry out many changes.
The utility model embodiment provides a kind of straight-down negative multi-section display backlight, Structure explosion diagram as shown in Figure 1,
Including PCB bottom plate 1, middle rubber shell 2, light-diffusing film 3 and black and white one side glue 4 that level from bottom to top assembles, drawn on the PCB bottom plate 1
To divide and pre-sets region 11, each region 11 that pre-sets is equipped with self-powered circuit and is uniformly placed with tube core 12, and
Its right end leads to positive and negative anodes 13；
The middle rubber shell 2 includes the subregion rubber shell 21 for pre-seting region 11 according to and setting being accordingly isolated.Wherein
PCB bottom plate 1 and middle rubber shell 2, structural schematic diagram difference it is as shown in Figure 3, Figure 4, if the two is assembled, assembling after structure
Schematic diagram is as shown in Figure 4.Middle rubber shell 2 is bonded with PCB bottom plate 1 by glue, and middle rubber shell 2 forms the bottom of straight-down negative with PCB bottom plate 1
Then backing structure adheres to light-diffusing film 3 in middle rubber shell 2, and black and white one side glue 4 is attached to 3 surface of light-diffusing film.
Specifically, in order to improve the utilization rate of light, the inner wall surrounding of each subregion rubber shell 21 is provided with slope
211, be conducive to the light-output for issuing tube core 12.
The center of the subregion rubber shell 21 is directed toward on the slope 211 and the gradient is consistent.The slope 211 is filled out by transparent flexible glue
It fills, is scrapped for avoiding the tube core from being oxidized.
Specifically, 211 gradient of slope of the different subregion rubber shells 21 is inconsistent.
Specifically, the PCB bottom plate 1 by " ten " font be divided into 4 pieces described in pre-set region 11, the subregion rubber shell
It is 4 pieces that 21 pre-set region 11 according to, which is arranged in correspondence with, including different subregion positions 22；The PCB bottom plate 1 with it is described
The middle bonding of rubber shell 2 is together, described to pre-set region 11 and the subregion rubber shell 21 one-to-one correspondence, forms the bottom backlight knot of straight-down negative
Structure realizes multi-section display.
Specifically, the distance between the light-diffusing film 3 and the tube core 12 are maintained at particular range according to actual needs
It is interior, cannot be excessive and too small, to reach ideal light efficiency effect.
Specifically, the light-diffusing film 3 is pasted onto the middle rubber shell 2 and adhering to double-sided adhesive in its lower surface；It is described
Three side edges of 3 upper surface of light-diffusing film are pasted with black and white one side glue, for preventing the tube core close to middle 2 frame of rubber shell
12 light leakages.
A kind of straight-down negative multi-section display backlight provided by the embodiment of the utility model, has the advantages that
1, the pre-seting region 11 on PCB bottom plate 1 is carried out by tube core 12 uniformly arranges, and set middle rubber shell 2 to and institute
State pre-set that region 11 matches to realize multi-section display, and electricity can be operated alone in each subregion (pre-seting region 11)
Road；
2, tube core 12 in each subregion issues the light of different colours, and middle rubber shell 2 is with PCB bottom plate 1 combines after, middle glue in addition
Shell 2 is divided by " ten " font, its inner wall surrounding of the subregion each marked off has certain gradient, forms straight-down negative structure,
The structure can increase the space that light exhales, and improve the utilization rate of light, and display function is excellent, and the firm stabilization of structure.
Above-described embodiment is the preferable embodiment of the utility model, but the embodiments of the present invention is not by above-mentioned
The limitation of embodiment, it is made under other any spiritual essence and principles without departing from the utility model to change, modify, replacing
In generation, simplifies combination, should be equivalent substitute mode, is included within the protection scope of the utility model.
Claims (5)
1. a kind of straight-down negative multi-section display backlight, PCB bottom plate, middle rubber shell, light-diffusing film including the assembling of level from bottom to top and
Black and white one side glue, it is characterised in that:
It is divided on the PCB bottom plate and pre-sets region, each region that pre-sets is equipped with self-powered circuit and uniform row
It is furnished with tube core；
The middle rubber shell includes the subregion rubber shell for pre-seting region according to and setting being accordingly isolated.
2. a kind of straight-down negative multi-section display backlight as described in claim 1, it is characterised in that: each subregion rubber shell
Inner wall surrounding is provided with slope, and the center of the subregion rubber shell is directed toward on the slope and the gradient is consistent；The slope is by transparent soft
Glue filling, scraps for avoiding the tube core from being oxidized.
3. a kind of straight-down negative multi-section display backlight as claimed in claim 2, it is characterised in that: the different subregion rubber shells
Ramp slope it is inconsistent.
4. a kind of straight-down negative multi-section display backlight as claimed in claim 3, it is characterised in that: the PCB bottom plate is by " ten "
Font pre-sets region described in being divided into 4 pieces, and it is 4 pieces that the subregion rubber shell, which pre-sets region according to and is arranged in correspondence with,；Institute
It states PCB bottom plate and the middle rubber shell bonds, it is described to pre-set region and subregion rubber shell one-to-one correspondence, form the bottom of straight-down negative
Backing structure realizes multi-section display.
5. a kind of straight-down negative multi-section display backlight as described in claim 1, it is characterised in that: the light-diffusing film passes through at it
Lower surface adheres to double-sided adhesive and is pasted onto the middle rubber shell；Three side edges of the light-diffusing film upper surface are pasted with black and white single side
Glue, for preventing the tube core light leakage close to the middle rubber shell frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820881518.4U CN208457690U (en) | 2018-06-07 | 2018-06-07 | A kind of straight-down negative multi-section display backlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820881518.4U CN208457690U (en) | 2018-06-07 | 2018-06-07 | A kind of straight-down negative multi-section display backlight |
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| Publication Number | Publication Date |
|---|---|
| CN208457690U true CN208457690U (en) | 2019-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820881518.4U Active CN208457690U (en) | 2018-06-07 | 2018-06-07 | A kind of straight-down negative multi-section display backlight |
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| Country | Link |
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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 |
| CN110310606A (en) * | 2019-07-08 | 2019-10-08 | 东南大学 | A kind of color sequential operation display subfield backlight modulation scheme |
-
2018
- 2018-06-07 CN CN201820881518.4U patent/CN208457690U/en active Active
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 |
| CN110310606A (en) * | 2019-07-08 | 2019-10-08 | 东南大学 | A kind of color sequential operation display subfield backlight modulation scheme |
| CN110310606B (en) * | 2019-07-08 | 2021-01-12 | 东南大学 | Sub-field backlight modulation scheme of time sequence color mixing display |
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