CN207008993U - A kind of flexible liquid crystal module and flexible liquid crystal device - Google Patents
A kind of flexible liquid crystal module and flexible liquid crystal device Download PDFInfo
- Publication number
- CN207008993U CN207008993U CN201720804996.0U CN201720804996U CN207008993U CN 207008993 U CN207008993 U CN 207008993U CN 201720804996 U CN201720804996 U CN 201720804996U CN 207008993 U CN207008993 U CN 207008993U
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- China
- Prior art keywords
- liquid crystal
- light guide
- guide plate
- flexible liquid
- crystal module
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Abstract
The utility model provides a kind of flexible liquid crystal module, including：Backboard, LED light bar, light guide plate and the diffuser plate being successively set on backboard；The upper surface of light guide plate is plane, lower surface is curved surface, light guide plate is horizontally split into multiple array modules, and it is divided into two pieces in the vertical direction towards LED light bar, two pieces of light guide plate sides of vertical direction are pasted with two reflector plates respectively, a gap is formed between two pieces of adjacent light guide plates, two reflector plates are connected by least two elastomeric elements；LED light bar includes FPC and the multigroup electric lead in parallel being printed on the FPC, LED chip, FPC also has multiple microarrays, wherein microarray height is unequal, the arcuate shape of formation and the lower surface of light guide plate are identicals, expansion issues and support when solving the problems, such as heated well, structure is simplified, has saved cost.
Description
Technical field
The utility model belongs to flexible liquid crystal field, in particular, is related to a kind of flexible liquid crystal module and flexibility
Liquid crystal display device.
Background technology
Flexible liquid crystal module is the component that light source is provided to flexible liquid crystal display product, is one of its key component, greatly
The flexible liquid crystal module of size is widely used to computer flexible liquid crystal screen, LCD TV, plane outdoor advertising at present
Etc. all many-sides.Flexible liquid crystal module is arranged at the lower section of flexible liquid crystal screen, to provide uniformly diverging and certain brightness
Light forms different brightness, not homochromy to flexible liquid crystal screen, by controlling the pixel electrode on flexible liquid crystal screen
The colour picture of color and different gray scales.And flexible liquid crystal module, according to light source position, being divided into straight-down negative module, (light source is placed in
Immediately below display screen) and side-light type module (light source is placed in display screen side).
Existing straight-down negative LED flexible liquid crystals module mainly includes light guide plate, LED light bar, backboard and radiating piece.In recent years
Come, due to towards slimming, sizing LCD evolution, causing light guide plate more and more thinner gradually.Because light guide plate declines,
So its expanded by heating and moisture expantion characteristic highlight gradually, light guide plate is fixed at the beginning, after heated or moisture absorption, its
It will expand, can so be deformed because of extruding, so as to largely effect on the quality of light；During light guide plate expansion simultaneously, light guide plate can be deposited
In the possibility being in contact with LED light bar.In addition, in heated or moisture expantion, flexible liquid crystal module is right because being bending
Either the support setting of light guide plate is very complicated, such as the glue frame of complicated adhered shape, or do not realize to after expansion
The support of the promising result of light guide plate.
Utility model content
The purpose of this utility model is to provide a kind of flexible liquid crystal module, especially suitable for large scale flexible liquid crystal
Screen, solve the bad influence of light guide plate expansion, eliminate the adhesive frame structure of complexity, saved cost, and ensureing that brightness refers to
Slimming is achieved under the premise of target.
The technical solution of the utility model is：A kind of flexible liquid crystal module, including：Backboard, it is successively set on backboard
LED light bar, light guide plate and diffuser plate；The upper surface of light guide plate is plane, and lower surface is curved surface, and light guide plate is horizontally split into
Multiple array modules, and it is divided into two pieces in the vertical direction towards LED light bar, two pieces of light guide plate sides of vertical direction are glued respectively
Two reflector plates are posted, a gap is formed between adjacent two pieces of light guide plates, two reflector plates pass through at least two elastomeric elements
It is connected；LED light bar includes FPC and the multigroup electric lead in parallel being printed on the FPC, LED chip,
FPC also has multiple microarrays, and wherein microarray height is unequal, the arcuate shape of formation and light guide plate
Lower surface is identical.
Because light guide plate is multiple guide-lighting plate arrays with gap, Bu Huizao more uniform in expanded by heating
Into unbalance state；And by setting elastomeric element on the reflector plate of two pieces of light guide plate sides, again limit the swollen of light guide plate
Swollen amplitude, at the same eliminate again it is excessively limited in light guide plate and the problem of cause guide-lighting slab warping；It is simultaneously whole on FPC
The curved multiple microarrays of body, eliminate the adhesive frame structure of complexity, moreover it is possible to the good branch to light guide plate is kept in expansion
Support.
Preferably, the elastomeric element can be spring.
Preferably, light guide plate can use double faced adhesive tape or other common glue stickings with reflector plate, can also use other
Common component is fixed.
Preferably, the adjacent of two pieces of light guide plates can be plane, or inclined-plane or step structure.
Further, microarray can be taken shape in flexible wires by the mode such as printing, being machined, etching or electroplating respectively
On the plate of road.In this way, microarray can be respectively that the printing points or structure printed or be coated on FPC are for protrusion
Mirror.
Further, multigroup electric lead in parallel on the FPC can individually turn on, and can also connect together
It is logical.
Preferably, multigroup electric lead in parallel on the FPC selects corresponding connect according to brightness demand
Mode.
Further, shell is provided with, the flexible liquid crystal module is surrounded in the housing；Shell is metal material
It is made, can function as radiating subassembly.
Further, at least one via is provided with FPC around each LED, via is used to produce LED
Raw heat distributes.
Further, the normal cross-section curve of the lower surface of the light guide plate is that circular arc, broken line, parabola or two kinds are different bent
Easement curve between rate curve.
It is of the present utility model further preferably scheme be：Pit and/or projection are provided with the lower surface of the light guide plate,
The pit and/or projection are formed using hot pressing, injection, printing or etching, are advantageous to the reflection for the light that light source is sent
And diffusion.
The invention also discloses another scheme：A kind of flexible liquid crystal device, including flexibility recited above
Liquid crystal module, while still further comprise：LCDs, it has about two transparency carriers and liquid crystal layer, blast polarisation
Piece；
The two substrates are to configure in parallel spaced relationship, and the liquid crystal layer, that blast polaroid is arranged on described about two is saturating
Between bright substrate, the blast polaroid, it is arranged between about two transparency carrier, wherein, the blast polaroid is by more
Individual liquid crystal layer and a minus compensation film, two 1/8 λ films compositions, it is one 1/8 λ films respectively along radiation direction that concrete structure, which is, more
The different curable nematic liquid crystal layer containing photochromic pigment of individual birefringence, one 1/8 λ films and minus compensation film.
The beneficial effects of the utility model are：Because light guide plate is multiple guide-lighting plate arrays with gap, by
It is more uniform during thermal expansion, unbalance state will not be caused；And by setting elasticity on the reflector plate of two pieces of light guide plate sides
Part, the expansion amplitude of light guide plate is again limited, while eliminate again excessively limited in light guide plate and cause guide-lighting slab warping
Problem；Overall curved multiple microarrays on FPC simultaneously, eliminate the adhesive frame structure of complexity, moreover it is possible in expansion
Keep the good support to light guide plate.Further, it enables large scale flexible liquid crystal display is on the premise of luminance index is ensured
Slimming is achieved；Using multiple liquid crystal layer polarisations and the blast polaroid of discoloration, dead angle polarized light problem is overcome, improve
Display brightness and effect.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model flexible liquid crystal module.
Fig. 2 is multigroup shunt conductance line schematic diagram of the utility model FPC.
Fig. 3 (a) is the array schematic diagram of the utility model light guide plate；Fig. 3 (b), 3 (c), 3 (d) are the battle array of light guide plate respectively
The fragmentary sectional view of row adjacent.
Embodiment
As shown in figure 1, the utility model provides a kind of flexible liquid crystal module, including：Backboard, it is successively set on backboard
LED light bar 1, light guide plate 2 and diffuser plate 3；The upper surface of light guide plate 2 is plane, and lower surface is curved surface, and light guide plate 2 is in level side
To being divided into multiple array modules, and it is divided into two pieces in the vertical direction towards LED light bar 1, two pieces of light guide plate sides of vertical direction
Face is pasted with two reflector plates respectively, and a gap S is formed between adjacent two pieces of light guide plates 2, and two reflector plates pass through at least two
Individual elastomeric element is connected；LED light bar 1 includes FPC 11 and is printed on multigroup in parallel on the FPC 11
Electric lead 12, LED chip, FPC 11 also have multiple microarrays, and wherein microarray height is unequal, formation
Arcuate shape and the lower surface of light guide plate 2 are identicals.
The elastomeric element can be spring, and the elastomeric element plays two-way effect, just start to be heated in light guide plate 2
During expansion, its unlimited light guide plate processed moves to both sides；When the expanded by heating of light guide plate 2 is excessive, it serves similar locating dowel again
Limitation migration, therefore its adaptive temperature and application time scope are bigger.
In the present embodiment, light guide plate 2 can use double faced adhesive tape or other common glue stickings with reflector plate, can also make
It is fixed with other common components.
Referring to Fig. 3 (b), 3 (c), 3 (d), the adjacent of two pieces of light guide plates 2 can be plane, or inclined-plane or ladder
Shape structure.
Microarray can be taken shape on FPC by the mode such as printing, being machined, etching or electroplating respectively.Such as
This, microarray can be respectively that the printing points or structure printing or be coated on FPC are the lens of protrusion.
Referring to Fig. 2, there is multigroup electric lead in parallel on the FPC, can individually turn on, can also be together
Connect, corresponding getting type is selected according to brightness demand.
It is of the present utility model further preferably scheme be：Pit and/or projection are provided with the lower surface of the light guide plate,
The pit and/or projection are formed using hot pressing, injection, printing or etching, are advantageous to the reflection for the light that light source is sent
And diffusion.
The diffuser plate 3 is located at the top of the light guide plate 2, while positioned at the lower section of flexible liquid crystal screen 10, that is, locates
Between light guide plate 2 and flexible liquid crystal screen 10, it is will to spread out of next light from the light guide plate 2 to spread out, to be used for
Illumination to flexible liquid crystal screen 10, and improve the uniformity of flexible liquid crystal module brightness.
In addition, being further provided with shell 4, flexible liquid crystal module is enclosed in the shell 4, while shell 4 is adopted
It is made of metal, can function as radiating subassembly.
As shown in figure 1, the normal cross-section curve of the curved surface of the light guide plate 2 is that circular arc, broken line, parabola or two kinds are different bent
Easement curve between rate curve.Be provided with pit and/or projection on the lower surface of the light guide plate 2, the pit and/or
Projection is formed by the way of hot pressing, injection, printing or etching, pit and/or projection be provided with beneficial to the anti-of light
Penetrate and spread.
Due to using the FPC 11 for including LED, thus can also on FPC 11 each LED
The via of at least one neighbouring heat transmission, heat caused by LED reach metal shell 4 through the via on FPC 11 and dissipated
Send out.
The utility model employs light guide plate 2, and its guide-lighting plate shape more of the prior art can greatly save manufacture
The raw material of light guide plate, also further such that flexible liquid crystal module can also use in large scale display screen, make large scale flexible
Liquid crystal display is thinned on the premise of luminance index is ensured and is achieved.And raw material are saved, decline manufacturing cost.
The invention also discloses another scheme：A kind of intelligent flexible liquid crystal display device, including it is recited above
Intelligent flexible liquid crystal module, while still further comprise：LCDs, its have about two transparency carriers and liquid crystal layer,
Blast polaroid；The two substrates are to configure in parallel spaced relationship, and the liquid crystal layer, blast polaroid are arranged on described about two
Between transparency carrier, the blast polaroid, be arranged between about two transparency carrier, wherein, the blast polaroid by
Multiple liquid crystal layers and minus compensation film, two 1/8 λ films compositions, concrete structure be respectively along radiation direction one 1/8 λ films,
The different curable nematic liquid crystal layer containing photochromic pigment of multiple birefringences, one 1/8 λ films and minus compensation
Film.
The blast polaroid realizes polarizing function and photochromic function by the driving electrodes of independent control, and
And printing opacity brightness is enhanced, it is incident to realize no dead angle.
Including a light-scattering film, it is layered on a surface of the blast polaroid, and the light-scattering film has
Non-planar surface, using the light by scatter incident light as unspecified directions, the Ra of the light-scattering film is between 1.7 to 1.8.
The reflection block is light tight block, and the light tight block is to be filled up to be formed by black surround material.It is described anti-
The such reflector element for penetrating matrix layer is made up of highly reflective material.
The liquid crystal layer is to use curable nematic liquid crystal structure.The liquid crystal layer is to use super twist filament.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that specific implementation of the present utility model is confined to these explanations.For the ordinary skill of the utility model art
For personnel, without departing from the concept of the premise utility, some simple deduction or replace can also be made, should all be regarded
To belong to the scope of protection of the utility model.
Claims (9)
1. a kind of flexible liquid crystal module, including：Backboard, LED light bar, light guide plate and the diffuser plate being successively set on backboard, its
It is characterised by, the upper surface of light guide plate is plane, and lower surface is curved surface, and light guide plate is horizontally split into multiple array modules,
And it is divided into two pieces in the vertical direction towards LED light bar, two pieces of light guide plate sides of vertical direction are pasted with two reflections respectively
Piece, a gap is formed between adjacent two pieces of light guide plates, two reflector plates are connected by least two elastomeric elements；LED light bar
Including FPC and the multigroup electric lead in parallel being printed on the FPC, LED chip, FPC is also
With multiple microarrays, wherein microarray height is unequal that the arcuate shape of formation and the lower surface of light guide plate are identical
's.
2. flexible liquid crystal module as claimed in claim 1, it is characterised in that the microarray can be spherical, taper, trapezoidal
Any of shape, and microarray is made up of elastomeric material.
3. flexible liquid crystal module as claimed in claim 2, it is characterised in that the microarray can be lens array.
4. flexible liquid crystal module as claimed in claim 1, it is characterised in that the elastomeric element is spring.
5. flexible liquid crystal module as claimed in claim 1, it is characterised in that the adjacent of two pieces of light guide plates can be flat
Face, or inclined-plane or step structure.
6. flexible liquid crystal module as claimed in claim 2, it is characterised in that multigroup electricity in parallel on the FPC
Wire can individually turn on, and can also connect together.
7. flexible liquid crystal module as claimed in claim 6, it is characterised in that multigroup electricity in parallel on the FPC
Wire selects corresponding getting type according to brightness demand.
8. flexible liquid crystal module as claimed in claim 1, it is characterised in that the normal cross-section curve of the lower surface of the light guide plate
For the easement curve between circular arc, broken line, parabola or two kinds of different curvature curves.
9. a kind of flexible liquid crystal device, including the flexible liquid crystal module any one of claim 1 to 8, also simultaneously
Including：
LCDs, it has about two transparency carriers and liquid crystal layer, blast polaroid；
The two substrates are to configure in parallel spaced relationship, and the liquid crystal layer, blast polaroid are arranged on described about two transparent bases
Between plate, the blast polaroid, it is arranged between about two transparency carrier, wherein, the blast polaroid is by multiple liquid
Crystal layer and a minus compensation film, two 1/8 λ films compositions, it is one 1/8 λ films, Duo Geshuan respectively along radiation direction that concrete structure, which is,
The different curable nematic liquid crystal layer containing photochromic pigment of refractive index, one 1/8 λ films and minus compensation film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720804996.0U CN207008993U (en) | 2017-07-05 | 2017-07-05 | A kind of flexible liquid crystal module and flexible liquid crystal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720804996.0U CN207008993U (en) | 2017-07-05 | 2017-07-05 | A kind of flexible liquid crystal module and flexible liquid crystal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207008993U true CN207008993U (en) | 2018-02-13 |
Family
ID=61453315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720804996.0U Expired - Fee Related CN207008993U (en) | 2017-07-05 | 2017-07-05 | A kind of flexible liquid crystal module and flexible liquid crystal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207008993U (en) |
-
2017
- 2017-07-05 CN CN201720804996.0U patent/CN207008993U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 224000 Yan Long Street office, Yan Du District, Yancheng City, Jiangsu, the intersection of wee eight road and Qinchuan Road (D) Patentee after: YANCHENG HUAXU PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Address before: 224000 Yancheng Huaxing Photoelectric Technology Co., Ltd. Yancheng at the junction of Weiba Road and Qinchuan Road in Yandu District, Yancheng City, Jiangsu Province Patentee before: YANCHENG CHINA STAR OPTICAL TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190620 Address after: 518000 12 floors, Block C, Tsinghua Ziguang Science Park, 13 Longshan Road, North District, Xili Street, Nanshan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Guowu Technology Co.,Ltd. Address before: 224000 Yan Long Street office, Yan Du District, Yancheng City, Jiangsu, the intersection of wee eight road and Qinchuan Road (D) Patentee before: YANCHENG HUAXU PHOTOELECTRIC TECHNOLOGY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180213 Termination date: 20190705 |