CN207440479U - A kind of novel low-cost down straight aphototropism mode set device - Google Patents
A kind of novel low-cost down straight aphototropism mode set device Download PDFInfo
- Publication number
- CN207440479U CN207440479U CN201721471595.4U CN201721471595U CN207440479U CN 207440479 U CN207440479 U CN 207440479U CN 201721471595 U CN201721471595 U CN 201721471595U CN 207440479 U CN207440479 U CN 207440479U
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- Prior art keywords
- secondary lens
- backboard
- mode set
- down straight
- aphototropism mode
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- 230000005142 aphototropism Effects 0.000 title claims abstract description 30
- 230000003287 optical effect Effects 0.000 claims abstract description 25
- 239000011324 bead Substances 0.000 claims abstract description 6
- 239000011159 matrix material Substances 0.000 claims abstract description 4
- 239000002245 particle Substances 0.000 claims description 3
- 239000012788 optical film Substances 0.000 claims description 2
- 238000009792 diffusion process Methods 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 10
- 230000008859 change Effects 0.000 description 7
- 238000012938 design process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
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- 230000008901 benefit Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model provides a kind of novel low-cost down straight aphototropism mode set device, including backboard and several first secondary lens being arranged inside the backboard, several second secondary lens and several LED light bars for being attached at backboard bottom；The LED light bar includes flexible PCB and fits in several LED lamp beads in flexible PCB, and LED light bar parallel interval is set；First secondary lens are arranged at backboard inside bottom middle part in matrix form, and each second secondary lens are surrounded on the outside of each first secondary lens and set；The diffuser plate and optical diaphragm for transmitted ray are additionally provided on backboard top, optical diaphragm is located at diffuser plate top, the design can preferably improve the whole subjective display effect of module, different suitable lens can be selected for the subjective phenomenon of backlight and the demand of optical data, then the light type of each lens is targetedly adjusted to improve subjective inhomogeneities, so can more easily solve the problems, such as backlight corner An Huosi sides blanking bar/bright border.
Description
[technical field]
The utility model is related to backlight module product technical field more particularly to a kind of reasonable in design, using effects
It is good, operate convenient novel low-cost down straight aphototropism mode set device.
[background technology]
After down straight aphototropism mode set refers to that light source is projected by spontaneous light source (such as fluorescent tube, LED etc.), upwards through diffuser plate
Homodisperse to be projected after front, the backlight LED accommodation spaces of straight-down negative become larger but also increase the thickness of module, again simultaneously
Amount, power consumption, its advantage are high briliancy, good light extraction visual angle, light utilization ratio height, simple structure etc., thus are suitable for
The LCD display and LCDTV less fastidious to portability and space requirement.
Direct-light type LED backlight relies primarily on secondary lens and homogenizes light, and the function of secondary lens is by LED light
Arbitrarily desired angle of the light emitting angle in source between converged light is into 5 ° to 160 ° again, the distribution of light field can be divided mainly into：Circle
Shape, ellipse, rectangle.
Only a kind of refraction type of application or one kind are anti-in a mainly backlight when being applied at present in down straight aphototropism mode set
The lens of formula are penetrated, such words LED just needs the arrangement mode of rule just to can guarantee the subjective uniformity of backlight, and rule is arranged
Under direct-type backlight in the dark angle problem that often occurs, it is difficult to which the lower in advance of other subjective questions is not being caused to solve.
All it is to use same lens in traditional direct-type backlight, such that optical design becomes to limit to very much, nothing
Method improves backlight module according to actual optical phenomena.
Moreover, traditional down straight aphototropism mode set, using single lens, it is necessary to which the arrangement of rule, is so in meeting
Between part uniformity demand, the light type of lens is all consistent, it is easy to four dark situations in angle occurs, while design
It is very inflexible to come, it is not easy to tackle the scheme after requirement specification change and change.
How could effectively solve the above problems, be that those skilled in the art often considers the problems of, be also directed to
The progress of property substantial amounts of research and development and experiment, and achieve preferable achievement.
[utility model content]
To overcome the problems of prior art, the utility model offer is a kind of reasonable in design, and using effect is good,
Operate convenient novel low-cost down straight aphototropism mode set device.
The scheme that the utility model solves technical problem is to provide a kind of novel low-cost down straight aphototropism mode set device, wraps
Several first secondary lens, several second secondary lens and the attaching for including backboard and being arranged inside the backboard
Several LED light bars in backboard bottom；If the LED light bar includes flexible PCB and fits in flexible PCB
Dry LED lamp bead, and the LED light bar parallel interval is set；First secondary lens are arranged in matrix form on the inside of backboard
Bottom middle part, each second secondary lens are surrounded on the outside of each first secondary lens and set；On the backboard top also
The diffuser plate and optical diaphragm for transmitted ray are provided with, optical diaphragm is located at diffuser plate top, and diffuser plate and optical film
It is provided with to act the module frame that fixation is fixedly mounted on the outside of piece.
Preferably, the second secondary lens on the left of first secondary lens and second secondary lens on right side are mutually flat
Row；Second secondary lens on the first secondary lens top and the second secondary lens of the first secondary lens lower part are mutually parallel.
Preferably, first secondary lens are rounded；Second secondary lens are oval.
Preferably, the backboard inner bottom surface is provided with the bottom reflection piece for offering several holes, each LED light bar,
First secondary lens, the second secondary lens are located at bottom reflection piece top.
Preferably, the cross section of the backboard is constructed in isosceles trapezoidal structure.
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, 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 LED lamp bead is white light LEDs particle.
Preferably, the optical diaphragm top is further fixedly arranged on protection minute surface.
Preferably, first secondary lens are set in two rows；The second two times of on the left of first secondary lens and right side are thoroughly
Mirror and the second secondary lens of the first secondary lens upper and lower part are mutually perpendicular to.
Compared with prior art, a kind of novel low-cost down straight aphototropism mode set device of the utility model by setting simultaneously
Backboard 11 and several first secondary lens 1143 being arranged inside the backboard 11, several second secondary lens 1141 with
And several LED light bars of 11 bottom of backboard are attached at, in actual design process, it can flexibly change the second secondary lens
1141 arrangement reaches predetermined display effect, and it is secondary using only single type to breach traditional down straight aphototropism mode set
The present situation of mirror so that optical design becomes more liberalization, reduces the use of LED, reduces production cost, it is often more important that compare
Compared with traditional down straight aphototropism mode set, it can preferably improve the whole subjective display effect of module, it can be for the master of backlight
The demand of phenomenon and optical data is seen to select different suitable lens, then targetedly adjusts the light type of each lens to change
The inhomogeneities that philanthropist sees, so can more easily solve the problems, such as backlight corner An Huosi sides blanking bar/bright border.
[description of the drawings]
Fig. 1 is a kind of section status architecture schematic diagram of novel low-cost down straight aphototropism mode set device of the utility model.
Fig. 2 is a kind of bottom surface status architecture schematic diagram of novel low-cost down straight aphototropism mode set device of the utility model.
[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 novel low-cost down straight aphototropism mode set device 1 of the utility model includes backboard 11
And be arranged at several first secondary lens 1143 inside the backboard 11, several second secondary lens 1141 and
It is attached at several LED light bars of 11 bottom of backboard；The LED light bar includes flexible PCB 111 and fits in flexibility
Several LED lamp beads 115 on pcb board 111, and the LED light bar parallel interval is set；First secondary lens 1143 are in
Matrix form is arranged at 11 inside bottom middle part of backboard, and each second secondary lens 1141 are surrounded on each first secondary lens
1143 outsides are set；It is additionally provided on 11 top of backboard for the diffuser plate 13 of transmitted ray and optical diaphragm 12, optics
Diaphragm 12 is located at 13 top of diffuser plate, and diffuser plate 13 and 12 outside of optical diaphragm are provided with and have been used to that fixation to be fixedly mounted
Module frame 14.
Pass through several first secondary lens 1143, several that backboard 11 is set simultaneously and is arranged inside the backboard 11
A second secondary lens 1141 and several LED light bars for being attached at 11 bottom of backboard, can be flexible in actual design process
The second secondary lens of change 1141 arrangement, reach predetermined display effect, breach traditional down straight aphototropism mode set only
Use the present situation of single type secondary lens so that optical design becomes more liberalization, reduces the use of LED, reduces production
Cost, it is often more important that be compared to traditional down straight aphototropism mode set, can preferably improve the whole subjective display effect of module
Fruit can select different suitable lens for the subjective phenomenon of backlight and the demand of optical data, then targetedly adjust
The light type of whole each lens improves subjective inhomogeneities, and it is dark so can more easily to solve backlight corner An Huosi sides
Band/bright border problem.
Preferably, second secondary lens 1141 and second secondary lens on right side in 1143 left side of the first secondary lens
1141 are mutually parallel；The of 1143 lower part of second secondary lens 1141 and the first secondary lens on 1143 top of the first secondary lens
Two secondary lens 1141 are mutually parallel.Reasonable in design, using effect is good.
Preferably, first secondary lens 1143 are rounded；Second secondary lens 1141 are oval.
Preferably, 11 inner bottom surface of backboard is provided with the bottom reflection piece for offering several holes, each LED light
Item, the first secondary lens 1143, the second secondary lens 1141 are located at bottom reflection piece top.
Preferably, the cross section of the backboard 11 is constructed in isosceles trapezoidal structure.It is reasonable in design.
Preferably, 11 side wall of backboard offers to wear the lamp bar connecting line being electrically connected with flexible PCB 111
Connecting hole.
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.
Security performance is improved significantly.
Preferably, the LED lamp bead 115 is white light LEDs particle.
Preferably, 12 top of optical diaphragm is further fixedly arranged on protection minute surface.
Preferably, first secondary lens 1143 are set in two rows；The of the left side of first secondary lens 1143 and right side
Two secondary lens 1141 and the second secondary lens 1141 of 1143 upper and lower part of the first secondary lens are mutually perpendicular to.
The design process of this product reality is as follows：
1st, early period first according to client's optical data demand, carries out evaluation scheme, choose suitable lens and LED light bar into
Row cooperation carries out suitable arranged distribution to different secondary lens.
2nd, carry out whole optical analog for the lens distribution arranged to work, further determine the back of the body according to analog result
Whether various pieces are needed replacing as other secondary lens in light.
3rd, the making of LED light bar designs suitable PCB according to the size of lens, then carries out Surface Mount work to LED and PCB
Industry.Make sample lamp bar.
4th, assembled part.
A, it is that lamp bar is placed on 11 top of backboard first, is inserted into lamp bar connecting line, it is anti-then to place the round-meshed bottom surface of sanction
Piece is penetrated, is locked by screw.
B, 12 groups of diffuser plate 13 and optical diaphragm are then once placed above lamp bar.
C, upper center is finally blocked.
5th, after assembling model machine, light back-light observation subjective phenomenon and test optical data simultaneously, shot by CA-2000
Actual briliancy distribution picture.
The 6th, briliancy distribution schematic diagram is carried out to local analysis, then adjust the light type for targetedly adjusting lens, weight
It is newly simulated, then making, which improves sample, carries out actual verification, until subjective and optical data OK.
Compared with prior art, a kind of novel low-cost down straight aphototropism mode set device 1 of the utility model by setting simultaneously
Several first secondary lens 1143, several second secondary lens 1141 put backboard 11 and be arranged inside the backboard 11
And several LED light bars of 11 bottom of backboard are attached at, in actual design process, it can flexibly change the second secondary lens
1141 arrangement reaches predetermined display effect, and it is secondary using only single type to breach traditional down straight aphototropism mode set
The present situation of mirror so that optical design becomes more liberalization, reduces the use of LED, reduces production cost, it is often more important that compare
Compared with traditional down straight aphototropism mode set, it can preferably improve the whole subjective display effect of module, it can be for the master of backlight
The demand of phenomenon and optical data is seen to select different suitable lens, then targetedly adjusts the light type of each lens to change
The inhomogeneities that philanthropist sees, so can more easily solve the problems, such as backlight corner An Huosi sides blanking bar/bright border.
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 novel low-cost down straight aphototropism mode set device, it is characterised in that：Including backboard and it is arranged at the back of the body
Several first secondary lens, several second secondary lens and several LED light for being attached at backboard bottom of intralamellar part
Item；The LED light bar includes flexible PCB and fits in several LED lamp beads in flexible PCB, and the LED light
Parallel interval is set；First secondary lens are arranged at backboard inside bottom middle part in matrix form, each the second two times
Lens are surrounded on the outside of each first secondary lens and set；The diffusion for transmitted ray is additionally provided on the backboard top
Plate and optical diaphragm, optical diaphragm are located at diffuser plate top, and are provided on the outside of diffuser plate and optical diaphragm and have been used for fixed peace
Fill the module frame of fixation.
2. a kind of novel low-cost down straight aphototropism mode set device as described in claim 1, it is characterised in that：Described 1st
Second secondary lens of the second secondary lens and right side on the left of secondary lens are mutually parallel；The two or two of first secondary lens top
Secondary lens and the second secondary lens of the first secondary lens lower part are mutually parallel.
3. a kind of novel low-cost down straight aphototropism mode set device as claimed in claim 1 or 2, it is characterised in that：Described
One secondary lens are rounded；Second secondary lens are oval.
4. a kind of novel low-cost down straight aphototropism mode set device as described in claim 1, it is characterised in that：In the backboard
Portion bottom surface is provided with the bottom reflection piece for offering several holes, each LED light bar, the first secondary lens, the second secondary lens
Positioned at bottom reflection piece top.
5. a kind of novel low-cost down straight aphototropism mode set device as described in claim 1 or 4, it is characterised in that：The back of the body
The cross section of plate is constructed in isosceles trapezoidal structure.
6. a kind of novel low-cost down straight aphototropism mode set device as described in claim 1, it is characterised in that：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 novel low-cost down straight aphototropism mode set device as described in claim 1, it is characterised in that：In the backboard
Portion is additionally provided with for the temperature sensor of real-time sensor device running temperature situation and the humidity sensor for sensing humidity
Device and buzzer；The temperature sensor, humidity sensor and buzzer are electrically connected.
8. a kind of novel low-cost down straight aphototropism mode set device as described in claim 1, it is characterised in that：The LED light
Pearl is white light LEDs particle.
9. a kind of novel low-cost down straight aphototropism mode set device as described in claim 1, it is characterised in that：The optical film
Piece top is further fixedly arranged on protection minute surface.
10. a kind of novel low-cost down straight aphototropism mode set device as described in claim 1, it is characterised in that：Described first
Secondary lens are set in two rows；Second secondary lens on the left of the first secondary lens and right side and the first secondary lens top and under
Second secondary lens in portion are mutually perpendicular to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721471595.4U CN207440479U (en) | 2017-11-07 | 2017-11-07 | A kind of novel low-cost down straight aphototropism mode set device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721471595.4U CN207440479U (en) | 2017-11-07 | 2017-11-07 | A kind of novel low-cost down straight aphototropism mode set device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207440479U true CN207440479U (en) | 2018-06-01 |
Family
ID=62292118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721471595.4U Expired - Fee Related CN207440479U (en) | 2017-11-07 | 2017-11-07 | A kind of novel low-cost down straight aphototropism mode set device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207440479U (en) |
-
2017
- 2017-11-07 CN CN201721471595.4U patent/CN207440479U/en not_active Expired - Fee Related
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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: 20220705 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180601 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |