CN206411383U - Straight-down negative curved surface backlight module - Google Patents
Straight-down negative curved surface backlight module Download PDFInfo
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- CN206411383U CN206411383U CN201621491444.0U CN201621491444U CN206411383U CN 206411383 U CN206411383 U CN 206411383U CN 201621491444 U CN201621491444 U CN 201621491444U CN 206411383 U CN206411383 U CN 206411383U
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- reflector plate
- backboard
- straight
- backlight module
- curved surface
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Abstract
The utility model provides a kind of straight-down negative curved surface backlight module, including backboard and the lamp bar for being fixed on backboard inside bottom surface, backboard bottom surface is the cambered surface of bending, also include reflector plate, reflector plate engagement flex is fixed on backboard bottom surface, and reflector plate is located at side of the lamp bar away from backboard, and lamp bar is provided with lamp bead, outwards turnover forms the first light barrier respectively for two edges of the reflector plate on the bending direction of backboard bottom surface, and each first light barrier, which is provided with, disconnects breach.The light extraction efficiency for the straight-down negative curved surface backlight module that the utility model is provided is high, in processing, slab construction can be processed as, and only can just meet the demand of straight-down negative curved surface backlight module with one piece of reflector plate, production cost is not only saved, and is processed and easy for installation.
Description
Technical field
The utility model belongs to lighting technical field, and in particular to a kind of straight-down negative curved surface backlight module.
Background technology
Existing market top-surface camber LCD TV is increasing, and existing curved surface LCD TV enters light side using light source backlight
Formula has two kinds of straight-down negative and side entering type, and straight-down negative scheme is low and lightweight due to cost, using more and more extensive.Traditional
Straight-down negative curved surface backlight module is stitched together using two pieces of smooth reflector plates, thus to open two molds so that reflection
The cost increase of piece, pastes the assembling process of two reflector plates, also increases cost of labor, reduce packaging efficiency in addition.
Utility model content
The purpose of this utility model is to provide a kind of straight-down negative curved surface backlight module, it is intended to solve traditional straight-down negative curved surface
Using the problem of the cost caused by two reflector plates is high, packaging efficiency is low in backlight module.
To achieve the above object, the technical solution adopted in the utility model is：A kind of straight-down negative curved surface backlight module is provided,
Including backboard and the lamp bar for being fixed on the backboard inside bottom surface, the backboard bottom surface is the cambered surface of bending, in addition to reflector plate,
The reflector plate engagement flex is fixed on the backboard bottom surface, and the reflector plate is located at one of the lamp bar away from the backboard
Side, the lamp bar be provided with lamp bead, two edges of the reflector plate on the bending direction of the backboard bottom surface respectively to
Outer turnover forms the first light barrier, and each first light barrier is provided with disconnection breach.
Further, the outwards turnover formation respectively of the two edges on bending direction of the reflector plate along the backboard bottom surface
Second light barrier.
Further, some lamp bars parallel to the reflector plate in the both sides on the bending direction of the backboard bottom surface
Edge is arranged.
Further, the reflector plate offers the first through hole passed through for the lamp bead in the lamp bead position.
Further, it is fixed with the lamp bar on latch, the reflector plate and corresponds to the snibbing position provided with confession
Second through hole of the latch insertion.
Further, offer to correspond on third through-hole, the reflector plate in the lamp bar and opened at the third through-hole
Provided with fourth hole.
Further, in addition to from top to bottom be cascading diffuser plate and diaphragm on the reflector plate.
Further, in addition to above the diaphragm, the center being mutually clamped with the backboard.
The beneficial effect for the straight-down negative curved surface backlight module that the utility model is provided is：Compared with prior art, this reality
It is located at the bottom of reflector plate with the lamp bead of novel straight down type curved surface backlight module, the light that lamp bead is sent is from reflector plate bottom to surrounding
Propagate, the backboard bottom surface of straight-down negative curved surface backlight module is the cambered surface of bending, when its reflector plate is arranged on backboard, can be bent
Into arc surfaced, and first gear tabula rasa is outwards turned down respectively perpendicular to the two edges in backboard bottom surface direction on reflector plate, can subtract
Distributing for few light, improves light extraction efficiency.When reflector plate is extruded bending, internal stress can be produced on the first light barrier, and
Set on first light barrier and disconnect breach, then can release the internal stress concentrated in the first light barrier, and facilitate reflector plate to bend.
Because reflector plate can be bent, then in processing, slab construction can be processed as, easy to process, cost is low, so
The demand of straight-down negative curved surface backlight module can be just only met with one piece of reflector plate, production cost is not only saved, and install
It is convenient.
Brief description of the drawings
The configuration schematic diagram for the straight-down negative curved surface backlight module that Fig. 1 provides for the utility model embodiment；
The structural representation for the straight-down negative curved surface backlight module lamp bar that Fig. 2 provides for the utility model embodiment；
The straight-down negative curved surface backlight module reflector plate structure schematic diagram that Fig. 3 provides for the utility model embodiment.
Embodiment
In order that technical problem to be solved in the utility model, technical scheme and beneficial effect are more clearly understood, with
Lower combination drawings and Examples, the utility model is further elaborated.It should be appreciated that specific reality described herein
Example is applied only to explain the utility model, is not used to limit the utility model.
Also referring to Fig. 1 to Fig. 3, now the straight-down negative curved surface backlight module that the utility model is provided is illustrated.Institute
Stating straight-down negative curved surface backlight module includes backboard 10 and the lamp bar 20 for being fixed on the inside bottom surface of backboard 10, and the bottom surface of backboard 10 is bending
Cambered surface, straight-down negative curved surface backlight module also includes the reflector plate 30 that is fixed on backboard 10, and it is remote that reflector plate 30 is located at lamp bar 20
From the side of backboard 10, lamp bar 20 is provided with lamp bead 21, both sides of the reflector plate 30 on the bending direction of the bottom surface of backboard 10
Outwards turnover forms the first light barrier 31 to edge respectively, and each first light barrier 31 is provided with the breach 32 disconnected.
Compared with prior art, the lamp bead 21 of the utility model straight-down negative curved surface backlight module is located at the bottom of reflector plate 30
Portion, the light that lamp bead 21 is sent is propagated from the bottom of reflector plate 30 to surrounding, and the bottom surface of backboard 10 of straight-down negative curved surface backlight module is curved
Bent cambered surface, when its reflector plate 30 is arranged on backboard 10, can bend to arc surfaced, and perpendicular to backboard on reflector plate 30
The two edges of 10 bottom surfaces direction outwards turn down first gear tabula rasa 31 respectively, it is possible to reduce distributing for light, improve light extraction efficiency.When
When reflector plate 30 is extruded bending, internal stress can be produced on the first light barrier 31, and sets disconnection to lack on the first light barrier 31
Mouth 32, then can release the internal stress concentrated in the first light barrier 31, and facilitate reflector plate 30 to bend.Because reflector plate 30 can be with
Bent, then in processing, slab construction can be processed as, easy to process, cost is low, so only with one piece of reflector plate
30 can just meet the demand of straight-down negative curved surface backlight module, not only save production cost, and easy for installation.
Further, referring to Fig. 3, in the present embodiment, two on bending direction of the reflector plate 30 along the bottom surface of backboard 10
Outwards turnover forms the second light barrier 33 respectively at edge, further reduces distributing for light, improves straight-down negative curved surface backlight mould
The light extraction efficiency of group.
Further, referring to Fig. 1, in the present embodiment, lamp bar 20 is parallel to reflector plate 30 in the curved of the bottom surface of backboard 10
Two edges arrangement on Qu Fangxiang, it is simplest vertical structure to enable to lamp bar 20, without bending, not only facilitates peace
Dress, and convenient processing.
Further, also referring to Fig. 1 to Fig. 3, in the present embodiment, reflector plate 30 offers confession in the position of lamp bead 21
The first through hole 34 that lamp bead 21 is passed through, lamp bead 21 is located at the bottom of reflector plate 30, and light beam is launched from the bottom of reflector plate 30 to surrounding, light
Beam as much as possible can be reflected by reflector plate 30, be conducive to improving light extraction efficiency.
Further, also referring to Fig. 1 to Fig. 3, in the present embodiment, latch 22 is fixed with lamp bar 20, reflected
Correspond to the position of latch 22 on piece 30 and be provided with the second through hole 35 inserted for latch 22, when installing lamp bar 20 with reflector plate 30,
Latch 22 is inserted in the second through hole 35 first so that lamp bar 20 and the position of reflector plate 30 can fix with each other, improve peace
Fill efficiency, it is ensured that the reliability of installation.
Further, also referring to Fig. 1 to Fig. 3, in the present embodiment, third through-hole 23 is offered in lamp bar 20, instead
Penetrate on piece 30 to correspond at third through-hole 23 and offer fourth hole 36, screw initially passes through fourth hole 36 and is then passed through third through-hole
23, reflector plate 30 and lamp bar 20 are fixed on backboard 10.
Further, referring to Fig. 1, in the present embodiment, in addition to it is cascading from top to bottom in reflector plate 30
On diffuser plate 40 and diaphragm 50, the effect of diffuser plate 40 is to reduce the bright band function produced by lamp bead 21, so as to further carry
Bloom source uniform, the effect of diffusion barrier is to cover bright band, the angle of amendment light beam that lamp bead 21 is produced so that distribution of light sources is more
Uniformly.
Further, referring to Fig. 1, in the present embodiment, in addition to located at the top of diaphragm 50, it is mutually clamped with backboard 10
Center 60, center 60 is fastened togather with backboard 10, diaphragm 50, diffusion sheet, reflector plate 30 and lamp bead 21 is encapsulated in together
In straight-down negative curved surface backlight module, the area source that straight-down negative curved surface backlight module is produced is projected from diaphragm 50.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modifications, equivalent substitutions and improvements made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (8)
1. straight-down negative curved surface backlight module, including backboard and the lamp bar for being fixed on the backboard inside bottom surface, the backboard bottom surface
For the cambered surface of bending, it is characterised in that：Also include reflector plate, the reflector plate engagement flex is fixed on the backboard bottom surface,
The reflector plate be located at side of the lamp bar away from the backboard, the lamp bar be provided with lamp bead, the reflector plate perpendicular to
Outwards turnover is formed on the first light barrier, each first light barrier respectively for two edges on the bending direction of the backboard bottom surface
Provided with disconnection breach.
2. straight-down negative curved surface backlight module as claimed in claim 1, it is characterised in that：The reflector plate is in the backboard bottom surface
Bending direction on two edges respectively outwards turnover formed the second light barrier.
3. straight-down negative curved surface backlight module as claimed in claim 1, it is characterised in that：Some lamp bars are parallel to described anti-
Penetrate the arrangement of the two edges on bending direction of the piece along the backboard bottom surface.
4. straight-down negative curved surface backlight module as claimed in claim 3, it is characterised in that：The reflector plate is in the lamp bead position
Offer the first through hole passed through for the lamp bead.
5. straight-down negative curved surface backlight module as claimed in claim 4, it is characterised in that：Latch is fixed with the lamp bar,
Correspond to the snibbing position on the reflector plate and be provided with the second through hole inserted for the latch.
6. straight-down negative curved surface backlight module as claimed in claim 5, it is characterised in that：Threeway is offered in the lamp bar
Correspond on hole, the reflector plate at the third through-hole and offer fourth hole.
7. the straight-down negative curved surface backlight module as described in claim any one of 1-6, it is characterised in that：Also include from top to bottom according to
Secondary stacking is arranged on diffuser plate and diaphragm on the reflector plate.
8. straight-down negative curved surface backlight module as claimed in claim 7, it is characterised in that：Also include above the diaphragm,
The center being mutually clamped with the backboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621491444.0U CN206411383U (en) | 2016-12-30 | 2016-12-30 | Straight-down negative curved surface backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621491444.0U CN206411383U (en) | 2016-12-30 | 2016-12-30 | Straight-down negative curved surface backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206411383U true CN206411383U (en) | 2017-08-15 |
Family
ID=59553171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621491444.0U Active CN206411383U (en) | 2016-12-30 | 2016-12-30 | Straight-down negative curved surface backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206411383U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111221177A (en) * | 2019-11-29 | 2020-06-02 | 维沃移动通信有限公司 | Backlight module and electronic equipment |
| CN111929947A (en) * | 2020-08-11 | 2020-11-13 | 江苏毅昌科技有限公司 | Foldable direct type backlight module and liquid crystal display device |
| CN114153093A (en) * | 2021-12-09 | 2022-03-08 | 武汉华星光电技术有限公司 | Curved surface backlight module and curved surface display device |
-
2016
- 2016-12-30 CN CN201621491444.0U patent/CN206411383U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111221177A (en) * | 2019-11-29 | 2020-06-02 | 维沃移动通信有限公司 | Backlight module and electronic equipment |
| CN111929947A (en) * | 2020-08-11 | 2020-11-13 | 江苏毅昌科技有限公司 | Foldable direct type backlight module and liquid crystal display device |
| CN114153093A (en) * | 2021-12-09 | 2022-03-08 | 武汉华星光电技术有限公司 | Curved surface backlight module and curved surface display device |
| CN114153093B (en) * | 2021-12-09 | 2023-04-07 | 武汉华星光电技术有限公司 | Curved surface backlight module and curved surface display device |
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