CN107331298A - 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
- CN107331298A CN107331298A CN201710541575.8A CN201710541575A CN107331298A CN 107331298 A CN107331298 A CN 107331298A CN 201710541575 A CN201710541575 A CN 201710541575A CN 107331298 A CN107331298 A CN 107331298A
- Authority
- CN
- China
- Prior art keywords
- liquid crystal
- light guide
- flexible liquid
- guide plate
- crystal module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0075—Arrangements of multiple light guides
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/35—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being liquid crystals
Abstract
The invention provides a kind of flexible liquid crystal module, including：Backboard, is successively set on LED light bar, light guide plate and diffuser plate 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 plates side of vertical direction is 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, cost has been saved.
Description
Technical field
The invention belongs to flexible liquid crystal field, in particular, it is related to a kind of flexible liquid crystal module and flexible 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 uniform diverging and certain brightness
Light forms different brightness by controlling the pixel electrode on flexible liquid crystal screen, not homochromy to 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 are highlighted 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 come in contact with LED light bar.In addition, in heated or moisture expantion, flexible liquid crystal module is right because being bending
It is very complicated that either the support of light guide plate is set, 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.
The content of the invention
It is an object of the invention to provide a kind of flexible liquid crystal module, large scale flexible liquid crystal screen is particularly suitable for use in,
The not good influence of light guide plate expansion is solved, the adhesive frame structure of complexity is eliminated, cost has been saved, and ensureing luminance index
Under the premise of be achieved slimming.
The technical scheme is that：A kind of flexible liquid crystal module, including：Backboard, is successively set on the LED on backboard
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 module, and it is divided into two pieces in the vertical direction towards LED light bar, two pieces of light guide plates side of vertical direction is pasted with respectively
A gap is formed between two reflector plates, 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, flexible
Wiring board also has multiple microarrays, and wherein microarray height is unequal, the arcuate shape of formation and the following table of light guide plate
Face 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, while eliminate the problem of light guide plate is excessively limited and causes guide-lighting slab warping again；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.
It is preferred that, the elastomeric element can be spring.
It is preferred that, 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.
It is preferred that, 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 modes such as printing, machining, etching or plating respectively
On the plate of road.In this way, it is the lens of protrusion that microarray, which can be respectively the printing points or structure printing or be coated on FPC,.
Further, multigroup electric lead in parallel on the FPC can be individually turned on, and can also be connect together
It is logical.
It is preferred that, multigroup electric lead in parallel on the FPC is according to brightness demand, and selection is corresponding to connect
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 is distributed.
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.
Present invention further optimization scheme is：Pit and/or projection are provided with the lower surface of the light guide plate, it is described
Pit and/or projection are, using hot pressing, injection, printing or etching formation, to be conducive to the reflection and expansion for the light that light source sends
Dissipate.
The invention also discloses another scheme：A kind of flexible liquid crystal device, including flexible liquid crystal recited above
Module, while still further comprising：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 is arranged between about two transparency carrier, wherein, the blast polaroid is by multiple liquid
Crystal layer and 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 layer of the curable nematic liquid crystal containing photochromic pigment of refractive index, one 1/8 λ films and minus compensation film.
Beneficial effects of the present invention are：Because light guide plate is multiple guide-lighting plate arrays with gap, heated swollen
It is more uniform when swollen, do not result in unbalance state；And by setting elastomeric element on the reflector plate of two pieces of light guide plate sides,
The expansion amplitude of light guide plate is again limited, while eliminate the problem of light guide plate is excessively limited and causes guide-lighting slab warping again；
Overall curved multiple microarrays on FPC, eliminate the adhesive frame structure of complexity simultaneously, moreover it is possible to kept in expansion
Good support to light guide plate.Further, it enables large scale flexible liquid crystal display is slim on the premise of luminance index is ensured
Change 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 flexible liquid crystal module of the present invention；
Fig. 2 is multigroup shunt conductance line schematic diagram of FPC of the present invention；
Fig. 3 is the array schematic diagram of light guide plate of the present invention and the fragmentary sectional view of array adjacent.
Embodiment
As shown in figure 1, the present invention provides a kind of flexible liquid crystal module, including：Backboard, is successively set on the LED on backboard
Lamp 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 divides in the horizontal direction
It is divided into two pieces, two pieces of light guide plates side point of vertical direction into multiple array modules, and in the vertical direction towards LED light bar 1
It is not pasted between two reflector plates, two pieces of adjacent light guide plates 2 and forms a gap S, two reflector plates passes through at least two bullets
Property part be connected；LED light bar 1 includes FPC 11 and the multigroup conductance in parallel being printed on the FPC 11
Line 12, LED chip, FPC 11 also have multiple microarrays, and wherein microarray height is unequal, the arc of formation
The lower surface of shape and light guide plate 2 is identical.
The elastomeric element can be spring, and the elastomeric element plays two-way effect, just starts to be heated in light guide plate 2
During expansion, it does not limit light guide plate and moved 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 (a), 3 (b), 3 (c), 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 modes such as printing, machining, etching or plating 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.
Present invention further optimization scheme is：Pit and/or projection are provided with the lower surface of the light guide plate, it is described
Pit and/or projection are, using hot pressing, injection, printing or etching formation, to be conducive to the reflection and expansion for the light that light source sends
Dissipate.
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, locating
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 be using hot pressing, injection, printing or etching by the way of formed, pit and/or projection be provided with beneficial to the anti-of light
Penetrate and spread.
Include LED FPC 11 due to using, therefore can also be each on FPC 11
The via of at least one heat transmission near LED, the heat that LED is produced is reached outside metal through the via on FPC 11
Shell 4 is distributed.
Present invention employs light guide plate 2, it is guide-lighting that its guide-lighting plate shape more of the prior art can greatly save manufacture
The raw material of plate, also further such that flexible liquid crystal module can also be used 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 intelligence recited above
Flexible liquid crystal module, while still further comprising：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, that blast polaroid is arranged on described about two is transparent
Between substrate, the blast polaroid is arranged between about two transparency carrier, wherein, the blast polaroid is by multiple
Liquid crystal layer and 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, multiple
The different layer of the curable nematic liquid crystal containing photochromic pigment of birefringence, 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, realize no dead angle incident.
Including a light-scattering film, it is layered on a surface of the blast polaroid, and the light-scattering film has
Non-planar surface, so that, as the light of unspecified directions, the Ra of the light-scattering film is between 1.7 to 1.8 by scatter incident light.
The reflection block is light tight block, and the light tight block is to be filled up to be constituted by black surround material.It is described anti-
The grade 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 description made for the present invention, it is impossible to assert
The specific implementation of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of not departing from present inventive concept, some simple deduction or replace can also be made, should all be considered as belonging to the present invention's
Protection domain.
Claims (10)
1. a kind of flexible liquid crystal module, including：Backboard, is successively set on LED light bar, light guide plate and diffuser plate 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 plates side of vertical direction is pasted with two reflections respectively
A gap is formed between piece, two pieces of adjacent 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, and 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 both limited the expansion amplitude of light guide plate, simultaneously
Eliminate again the problem of light guide plate is excessively limited and causes guide-lighting slab warping.
3. flexible liquid crystal module as claimed in claim 1 or 2, it is characterised in that the microarray can for spherical, taper,
Any of trapezoidal shape, and microarray is made up of elastomeric material.
4. flexible liquid crystal module as claimed in claim 3, it is characterised in that the microarray can be lens array.
5. flexible liquid crystal module as claimed in claim 1 or 2, it is characterised in that the elastomeric element is spring.
6. flexible liquid crystal module as claimed in claim 1 or 2, it is characterised in that the adjacent of two pieces of light guide plates can be with
For plane, or inclined-plane or step structure.
7. flexible liquid crystal module as claimed in claim 3, it is characterised in that multigroup electricity in parallel on the FPC
Wire can be individually turned on, and can also be connected together.
8. flexible liquid crystal module as claimed in claim 7, it is characterised in that multigroup electricity in parallel on the FPC
Wire selects corresponding getting type according to brightness demand.
9. flexible liquid crystal module as claimed in claim 1 or 2, it is characterised in that the normal cross-section of the lower surface of the light guide plate
Curve is the easement curve between circular arc, broken line, parabola or two kinds of different curvature curves.
10. a kind of flexible liquid crystal device, including the flexible liquid crystal module any one of claim 1 to 9, 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 is arranged between about two transparency carrier, wherein, the blast polaroid is by multiple liquid
Crystal layer and 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 layer of the curable nematic liquid crystal 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 |
|---|---|---|---|
| CN201710541575.8A CN107331298A (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 |
|---|---|---|---|
| CN201710541575.8A CN107331298A (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 |
|---|---|
| CN107331298A true CN107331298A (en) | 2017-11-07 |
Family
ID=60196813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710541575.8A Withdrawn CN107331298A (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) | CN107331298A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109917636A (en) * | 2017-12-13 | 2019-06-21 | 南京机器人研究院有限公司 | A kind of smartwatch adjusting light transmittance |
| CN112639936A (en) * | 2018-09-04 | 2021-04-09 | Ａｇｃ株式会社 | Transparent display device, glass plate with transparent display device, laminated glass with transparent display device, and moving object |
| CN114326220A (en) * | 2021-12-30 | 2022-04-12 | 惠科股份有限公司 | Flexible display panel and electronic equipment |
-
2017
- 2017-07-05 CN CN201710541575.8A patent/CN107331298A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109917636A (en) * | 2017-12-13 | 2019-06-21 | 南京机器人研究院有限公司 | A kind of smartwatch adjusting light transmittance |
| CN112639936A (en) * | 2018-09-04 | 2021-04-09 | Ａｇｃ株式会社 | Transparent display device, glass plate with transparent display device, laminated glass with transparent display device, and moving object |
| CN114326220A (en) * | 2021-12-30 | 2022-04-12 | 惠科股份有限公司 | Flexible display panel and electronic equipment |
| CN114326220B (en) * | 2021-12-30 | 2023-01-10 | 惠科股份有限公司 | Flexible display panel and electronic equipment |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171107 |
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| WW01 | Invention patent application withdrawn after publication |