CN207396933U - A kind of backlight module device with the design of straight-down negative reflector plate structure - Google Patents
A kind of backlight module device with the design of straight-down negative reflector plate structure Download PDFInfo
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- CN207396933U CN207396933U CN201721471092.7U CN201721471092U CN207396933U CN 207396933 U CN207396933 U CN 207396933U CN 201721471092 U CN201721471092 U CN 201721471092U CN 207396933 U CN207396933 U CN 207396933U
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Abstract
The utility model provides a kind of backlight module device with the design of straight-down negative reflector plate structure, including backboard and the first secondary lens of several rows being arranged inside the backboard and several LED light bars for being attached at backboard bottom；Several LED light bars are arranged at intervals with the first secondary lens of multirow；The LED light bar includes flexible PCB and fits in several LED lamp beads in flexible PCB；The diffuser plate and optical diaphragm for transmitted ray are additionally provided on the backboard top, optical diaphragm is located at diffuser plate top, and it is provided with to act the module frame that fixation is fixedly mounted on the outside of diffuser plate and optical diaphragm, both reduction energy consumption had been realized, the optimization of cost and technique etc., and meet backlight uniformity optical index and subjective requirement.New 15 structural modeling of bottom reflection piece can change opticpath, the light path that goes out of the LED wide-angles (140 ° 150 °) for passing through secondary optical lens be changed so that light is concentrated to be dispersed to edge, light is more uniform.
Description
[technical field]
The utility model is related to backlight module device technical field more particularly to a kind of backlight effect are good, manufacture craft letter
It is single, the low backlight module device with the design of straight-down negative reflector plate structure of production cost.
[background technology]
Flat panel display has been completed to update into low in energy consumption, environmentally friendly nothing from the liquid crystal display product that CCFL is backlight
Radiation, overall volume is small, the liquid crystal display device of cost more preferably LED backlight, arrives display technology is not also fully developed
OLED shows (specifically when, benevolence person sees that benevolence sage sees intelligence) at this stage of product, and energy-saving and environment-friendly LED television product is absolute
Mainstream, for each television manufacturer in addition to high-end machine, a greater amount of mid and low-end products Cost Competition pressure is especially big, so needing logical
It crosses while some technical solutions meet quality requirements and reaches cost optimization, in the hope of more market shares.
LED technology is popularized completely in illumination and display field, is no longer monopolized by Korea Spro, day and American-European countries, state
A large amount of volume productions of interior LED while product type is enriched constantly, also give the very big pressure of LED manufacturers of foreign countries, therewith state in terms of cost
The cost of interior LED liquid crystal television is also more and more lower, and LED emerging technologies are constantly developing fortunately, and LED power is stepping up,
Representative therein is exactly upside-down mounting CSP technologies, by technology upgrading make up single continuous descent tape of product Costco Wholesale come influence.
The application of great power LED means that LED uses the reduction of number, while liquid crystal module group backlight uniformity index and master
Requirement is seen not change.Existing market major part directly-down liquid crystal module product is Surface Mount LED and secondary light on pcb board
Lens are learned, composition LED light bar is uniformly arranged on backboard, and lens can increase the secondary light emitting angle that LED sends light, is reduced mixed
Electrical distance so that back light module unit structure design is more thinned.
Existing module uses uniformity horizontally-arranged more or the design method of vertical setting of types LED light bar, and answering due to great power LED
With, LED using number reduce cannot perfection be laid on backboard, before central area subjectivity uniformity requirement is primarily met
The phenomenon that putting, will certainly causing LED backlight module surrounding bright border or speck causes subjective light and shade uneven, is unable to reach display
It is required that.
The uneven i.e. bright border/blanking bar of four side light and shade of liquid crystal module group backlight subjectivity is solved the problems, such as at present, mainly by the way of
There is the printing white printing ink on diffuser plate or print black ink on the reflector plate of bottom, secondary operation processing is carried out to former material can significantly
Increase cost, cost, existing designing scheme will not be increased considerably while backlight subjectivity bright border or blanking bar should be solved again
It needs to do further optimization.
[utility model content]
To overcome the problems of prior art, a kind of backlight effect of the utility model offer is good, and manufacture craft is simple,
The low backlight module device with the design of straight-down negative reflector plate structure of production cost.
The scheme that the utility model solves technical problem is to provide a kind of backlight with the design of straight-down negative reflector plate structure
Die set including backboard and the first secondary lens of several rows being arranged inside the backboard and is attached at backboard bottom
Several LED light bars in portion；Several LED light bars are arranged at intervals with the first secondary lens of multirow；The LED light bar
Including flexible PCB and fit in several LED lamp beads in flexible PCB；It is additionally provided with and is used on the backboard top
The diffuser plate and optical diaphragm of transmitted ray, optical diaphragm is located at diffuser plate top, and is set on the outside of diffuser plate and optical diaphragm
The module frame of fixation it has been useful for being fixedly mounted, module frame periphery offers several light holes；Backboard inner bottom
Face is additionally provided with the bottom reflection piece for offering several holes, and each LED light bar, the first secondary lens are located at bottom reflection on piece
Portion, and the cross section of the backboard is trapezoidal, bottom reflection piece is extended on the outside of backboard on inclined-plane.
Preferably, the LED light bar is four, transverse center symmetry arrangement.
Preferably, multi-angle bending process is done on the four avris side of bottom reflection piece, is formed matched more with back board structure
The bending part of a different angle.
Preferably, the bottom reflection piece thickness is 0.2mm, diffuser plate is 1.5T thickness, the thickness of optical diaphragm is
0.188mm。
Preferably, it is continuous to be further opened with several for part middle part of the bottom reflection piece on the outside of the backboard on inclined-plane
Junction of the edges of two sheets of paper string holes, formed junction of the edges of two sheets of paper cable architecture.
Preferably, the backboard side wall offers to wear the company for the lamp bar connecting line being electrically connected with flexible PCB
Connect hole.
Preferably, the optical diaphragm top is further fixedly arranged on protection minute surface.
Preferably, the LED lamp bead is white light LEDs particle.
Preferably, be additionally provided with inside the backboard temperature sensor for real-time sensor device running temperature situation with
And for sensing the humidity sensor of humidity and buzzer；The temperature sensor, humidity sensor and buzzer are electrically connected.
Preferably, the module frame is in square, is engaged including four independent modules for being mutually clamped formula connection single
Element.
Compared with prior art, a kind of backlight module device with the design of straight-down negative reflector plate structure of the utility model leads to
It crosses while backboard 11 is set and the first secondary lens of several rows 114 for being arranged inside the backboard 11 and is attached at backboard 11
Several LED light bars of bottom, coordinate new structure design that can realize preferable backlight effect, and former material need not be carried out
Secondary operation causes cost to increase, and manufacturing process is simple, and cooperation side multi-angle flanging is punched by new structure design,
Bright border/blanking bar phenomenon caused by improving it while can accomplishing using less number LED, has good light mixing effect, reaches
Optical index and subjective requirement, change the design of traditional bottom reflector plate structure, realize lower cost, less lamp bar, and have good
Optical appearance is solved bright border/blanking bar phenomenon caused by being reduced using great power LED and LED numbers, had both realized reduction energy consumption, into
The optimization of sheet and technique etc., and meet backlight uniformity optical index and subjective requirement.New 15 structure of bottom reflection piece is made
Type can change opticpath, and the light path that goes out of the LED wide-angles (140 ° -150 °) for passing through secondary optical lens is changed, is made
Light must be concentrated to be dispersed to edge, light is more uniform.
[description of the drawings]
Fig. 1 is a kind of section state knot of the backlight module device with the design of straight-down negative reflector plate structure of the utility model
Structure schematic diagram.
Fig. 2 is a kind of flat state knot of the backlight module device with the design of straight-down negative reflector plate structure of the utility model
Structure schematic diagram.
[specific embodiment]
To make the purpose of this utility model, technical solution and advantage are more clearly understood, with reference to the accompanying drawings and embodiments,
The utility model is further elaborated.It should be appreciated that specific embodiment described herein is used only for explaining this
Utility model is not used to limit this utility model.
It please refers to Fig.1 and Fig. 2, a kind of backlight module device 1 with the design of straight-down negative reflector plate structure of the utility model
Including backboard 11 and the first secondary lens of several rows 114 being arranged inside the backboard 11 and it is attached at 11 bottom of backboard
Several LED light bars in portion；Several LED light bars are arranged at intervals with the first secondary lens of multirow 114；The LED
Lamp bar includes flexible PCB 111 and fits in several LED lamp beads 115 in flexible PCB 111；On the backboard 11
Portion is additionally provided with for the diffuser plate 13 of transmitted ray and optical diaphragm 12, and optical diaphragm 12 is located at 13 top of diffuser plate, and expands
Fall apart 13 and the outside of optical diaphragm 12 be provided with to act the module frame 14 that fixation is fixedly mounted, 14 periphery of module frame
Offer several light holes 141；11 inner bottom surface of backboard is additionally provided with the bottom reflection piece 15 for offering several holes, respectively
LED light bar, the first secondary lens 114 are located at 15 top of bottom reflection piece, and the cross section of the backboard 11 is trapezoidal, bottom reflection
Piece 15 is extended on 11 outside inclined-plane of backboard.
The application passes through the first secondary lens of several rows 114 for setting backboard 11 and being arranged inside the backboard 11 simultaneously
And several LED light bars of 11 bottom of backboard are attached at, coordinate new structure design that can realize preferable backlight effect,
Need not carry out secondary operation to former material causes cost to increase, and manufacturing process is simple, is punched and matched somebody with somebody by new structure design
Side multi-angle flanging is closed, bright border/blanking bar phenomenon caused by improving it while can accomplishing using less number LED has very
Good light mixing effect reaches optical index and subjective requirement, changes the design of traditional bottom reflector plate structure, realize lower cost, compared with
Few lamp bar, and have good optical appearance, bright border/blanking bar phenomenon caused by being reduced using great power LED and LED numbers is solved,
Both reduction energy consumption had been realized, the optimization of cost and technique etc., and meet backlight uniformity optical index and subjective requirement.New bottom
Reflector plate 15 structural modeling in face can change opticpath, by the LED wide-angles (140 ° -150 °) for passing through secondary optical lens
Go out light path change so that light is concentrated to be dispersed to edge, light is more uniform.
Preferably, the LED light bar is four, transverse center symmetry arrangement.Reasonable in design, using effect is good.
Preferably, multi-angle bending process is done on the 15 4 avris side of bottom reflection piece, is formed and 11 structure matching of backboard
Multiple and different angles bending part.
Preferably, 15 thickness of bottom reflection piece is 0.2mm, diffuser plate 13 is 1.5T thickness, the thickness of optical diaphragm 12
It spends for 0.188mm.
Preferably, part middle part of the bottom reflection piece 15 on 11 outside inclined-plane of backboard is further opened with several
Continuous junction of the edges of two sheets of paper string holes, forms junction of the edges of two sheets of paper cable architecture.Punching processing is done in the center of bottom reflection piece 15, and effect is to promote brightness
Uniformity optical index, drawback are to sacrifice some brightness, can be depended on the circumstances, and are increased at the inclined-plane on 15 4 side of bottom reflection piece
Roulette reaches the effect that four side inclined-planes form multi-angle remission by controlling 15 size of bottom reflection piece and junction of the edges of two sheets of paper line position
Fruit.
Preferably, 11 side wall of backboard offers to wear the lamp bar connecting line being electrically connected with flexible PCB 111
Connecting hole.
Preferably, 12 top of optical diaphragm is further fixedly arranged on protection minute surface.Security performance is high.
Preferably, the LED lamp bead 115 is white light LEDs particle.
Preferably, it is additionally provided with inside the backboard 11 for the temperature sensor of real-time sensor device running temperature situation
And for sensing the humidity sensor of humidity and buzzer；The temperature sensor, humidity sensor and buzzer are electrically connected.
Preferably, the module frame 14 is in square, including four independent module engagings for being mutually clamped formula connection
Unit piece.
Compared with prior art, a kind of backlight module device 1 with the design of straight-down negative reflector plate structure of the utility model
Structure design can realize preferable backlight effect, need not to former material carry out secondary operation cost be caused to increase, technique system
Journey is simple, and cooperation side multi-angle flanging is punched by new structure design, can be accomplished using the same of less number LED
Shi Gaishan bright border/blanking bar phenomenons caused by it, there is good light mixing effect, reach optical index and subjective requirement, change tradition
Bottom reflector plate structure design, realizes lower cost, less lamp bar, and has good optical appearance, solves using great power LED simultaneously
Bright border/blanking bar phenomenon caused by LED numbers are reduced, had both realized reduction energy consumption, the optimization of cost and technique etc., and met backlight
Uniformity optical index and subjective requirement.New 15 structural modeling of bottom reflection piece can change opticpath, and LED is passed through two
The wide-angle (140 ° -150 °) of secondary optical lens goes out light path change so that light is concentrated to be dispersed to edge, light is more equal
It is even.
Above-described the utility model embodiment, does not form the restriction to scope of protection of the utility model.It is any
Modifications, equivalent substitutions and improvements made within spirit of the present utility model and principle etc., should be included in the utility model
Claims within.
Claims (10)
1. a kind of backlight module device with the design of straight-down negative reflector plate structure, it is characterised in that：Including backboard and setting
The first secondary lens of several rows inside the backboard and several LED light bars for being attached at backboard bottom；This is described
Several LED light bars are arranged at intervals with the first secondary lens of multirow；The LED light bar includes flexible PCB and fits in
Several LED lamp beads in flexible PCB；The diffuser plate and optical film for transmitted ray are additionally provided on the backboard top
Piece, optical diaphragm are located at diffuser plate top, and are provided on the outside of diffuser plate and optical diaphragm and have been used to that fixation to be fixedly mounted
Module frame, module frame periphery offers several light holes；Backboard inner bottom surface, which is additionally provided with, offers several holes
The bottom reflection piece in hole, each LED light bar, the first secondary lens are located at bottom reflection piece top, and the cross section of the backboard is in ladder
Shape, bottom reflection piece are extended on the outside of backboard on inclined-plane.
2. a kind of backlight module device with the design of straight-down negative reflector plate structure as described in claim 1, it is characterised in that：
The LED light bar is four, transverse center symmetry arrangement.
3. a kind of backlight module device with the design of straight-down negative reflector plate structure as described in claim 1, it is characterised in that：
Multi-angle bending process is done on the four avris side of bottom reflection piece, forms the bending with the matched multiple and different angles of back board structure
Portion.
4. a kind of back of the body with the design of straight-down negative reflector plate structure as described in any one claim in claims 1 to 3
Light die set, it is characterised in that：The thickness that the bottom reflection piece thickness is 0.2mm, diffuser plate is 1.5T thickness, optical diaphragm
It spends for 0.188mm.
5. a kind of backlight module device with the design of straight-down negative reflector plate structure as described in claim 1, it is characterised in that：
Part middle part of the bottom reflection piece on the outside of the backboard on inclined-plane is further opened with several continuous junction of the edges of two sheets of paper string holes, is formed
Junction of the edges of two sheets of paper cable architecture.
6. a kind of backlight module device with the design of straight-down negative reflector plate structure as described in claim 1 or 5, feature exist
In：The backboard side wall offers to wear the connecting hole for the lamp bar connecting line being electrically connected with flexible PCB.
7. a kind of backlight module device with the design of straight-down negative reflector plate structure as claimed in claim 4, it is characterised in that：
The optical diaphragm top is further fixedly arranged on protection minute surface.
8. a kind of backlight module device with the design of straight-down negative reflector plate structure as described in claim 1, it is characterised in that：
The LED lamp bead is white light LEDs particle.
9. a kind of backlight module device with the design of straight-down negative reflector plate structure as described in claim 1, it is characterised in that：
It is additionally provided with inside the backboard for the temperature sensor of real-time sensor device running temperature situation and for sensing humidity
Humidity sensor and buzzer；The temperature sensor, humidity sensor and buzzer are electrically connected.
10. a kind of backlight module device with the design of straight-down negative reflector plate structure as described in claim 1 or 9, feature
It is：The module frame is in square, engages unit piece including four independent modules for being mutually clamped formula connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721471092.7U CN207396933U (en) | 2017-11-07 | 2017-11-07 | A kind of backlight module device with the design of straight-down negative reflector plate structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721471092.7U CN207396933U (en) | 2017-11-07 | 2017-11-07 | A kind of backlight module device with the design of straight-down negative reflector plate structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207396933U true CN207396933U (en) | 2018-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721471092.7U Active CN207396933U (en) | 2017-11-07 | 2017-11-07 | A kind of backlight module device with the design of straight-down negative reflector plate structure |
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| Country | Link |
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| CN (1) | CN207396933U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109036116A (en) * | 2018-06-21 | 2018-12-18 | 深圳创维－Rgb电子有限公司 | A kind of reflection cavity, backlight module and display |
| CN109521600A (en) * | 2018-10-23 | 2019-03-26 | 惠州市华星光电技术有限公司 | A kind of backlight module and its display device |
| CN111933626A (en) * | 2020-08-27 | 2020-11-13 | 深圳市隆利科技股份有限公司 | Flexible mini-LED backlight lamp plate and flexible electronic equipment thereof |
| CN114415426A (en) * | 2022-02-17 | 2022-04-29 | 深圳创维－Rgb电子有限公司 | Mini LED module and display device thereof |
-
2017
- 2017-11-07 CN CN201721471092.7U patent/CN207396933U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109036116A (en) * | 2018-06-21 | 2018-12-18 | 深圳创维－Rgb电子有限公司 | A kind of reflection cavity, backlight module and display |
| CN109521600A (en) * | 2018-10-23 | 2019-03-26 | 惠州市华星光电技术有限公司 | A kind of backlight module and its display device |
| CN111933626A (en) * | 2020-08-27 | 2020-11-13 | 深圳市隆利科技股份有限公司 | Flexible mini-LED backlight lamp plate and flexible electronic equipment thereof |
| CN111933626B (en) * | 2020-08-27 | 2021-07-20 | 深圳市隆利科技股份有限公司 | Flexible mini-LED backlight lamp plate and flexible electronic equipment thereof |
| CN114415426A (en) * | 2022-02-17 | 2022-04-29 | 深圳创维－Rgb电子有限公司 | Mini LED module and display device thereof |
| CN114415426B (en) * | 2022-02-17 | 2022-11-29 | 深圳创维－Rgb电子有限公司 | Mini LED module and display device thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220704 Address after: 523000 No. 157, Qingyu Road, Qingxi Town, Dongguan City, Guangdong Province Patentee after: Guangdong Dida kuxian flexible display technology Co.,Ltd. Address before: No. 009, 4th floor, building a, Hedong building, Liutang Road, Xixiang street, Bao'an District, Shenzhen, Guangdong 518000 Patentee before: SHENZHEN DIDA DISPLAY TECHNOLOGY CO.,LTD. |
|
| TR01 | Transfer of patent right |