CN108549177A - Optical compound film, backlight and liquid crystal display die set - Google Patents
Optical compound film, backlight and liquid crystal display die set Download PDFInfo
- Publication number
- CN108549177A CN108549177A CN201810391110.3A CN201810391110A CN108549177A CN 108549177 A CN108549177 A CN 108549177A CN 201810391110 A CN201810391110 A CN 201810391110A CN 108549177 A CN108549177 A CN 108549177A
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- Prior art keywords
- microprism
- light
- compound film
- transmitting substrate
- optical compound
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Classifications
-
- 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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
- G02B5/0231—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having microprismatic or micropyramidal shape
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/0236—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element
- G02B5/0242—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element by means of dispersed particles
-
- 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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
- G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
Abstract
A kind of optical compound film of present invention offer, backlight and liquid crystal display die set, wherein optical compound film include the microprism diffusion barrier being pasted together and the prism film that adds lustre to, and the microprism diffusion barrier and the prism film that adds lustre to are separately positioned on incidence surface and light-emitting surface；The microprism diffusion barrier includes the first transmitting substrate and microprism diffusion structure, the microprism diffusion structure includes the light transmission spheroidal particle on the first transmitting substrate of the incidence surface, and the light transmission spheroidal particle is arranged in regularly on the first transmitting substrate.Light-emitting surface of the microprism diffusion barrier of the present invention close to light guide plate, the light come out from light guide plate first passes through microprism diffusion barrier and is atomized to light, reduce the microcosmic convergence of light guide board microstructure or site to light, shielding is improved, the interference fringe occurred between light guide plate and LCD panel is advantageously reduced.
Description
Technical field
The present invention relates to optical fields, and in particular to a kind of optical compound film, backlight and liquid crystal display die set.
Background technology
Requirement with people to the visual effect of display, TV is higher and higher, and each manufacturer also constantly releases big ruler
Very little TV, display screen, such as 42,45,49 cun of LCD TV are in great demand very much, 70 cun, even 100 cun of LCD TV Ye You producers
It releases.For making greatly screen, there are two important technology difficult points to restrict, first, panel will be done greatly, second is that backlight will be done greatly, especially
It is screen panel itself using perfusion liquid crystalline substance molecule is needed based on glass while in substrate, so manufacture craft compares
Complexity, some panel factory maximums only can be with the panel of 70 cun or so of volume production at present.
Liquid crystal display device is currently used flat-panel monitor, wherein thin-film transistor LCD device (Thin
Transistor Liquid Crystal Display, abbreviation TFT-LCD) it is main product in liquid crystal display device.Its
In, backlight module is the important component of liquid crystal display device, and as screen size is done greatly, design of backlight module is also required to accordingly
Adjustment, to ensure the picture taste of liquid crystal display die set, it is necessary to multiple optical films are used in backlight module, such as prism film expands
Dissipate film, microprism film etc..With super clear, slimming design the demand of liquid crystal display die set, optical diaphragm design also proposed
New demand.Common practice will such as prism film, diffusion barrier, microlens film be fit together as optics by adhesive at present
Composite membrane achievees the purpose that fitting specifically by the wedge angle of prism to be pierced into adhesive.Optics currently on the market
Composite membrane shows preferably on product thickness and environmental reliability, but there are problems that shielding variation.
Invention content
The main object of the present invention is to provide a kind of optical compound film, it is intended to solve optical compound film currently on the market and cover
Property difference problem.
To achieve the above object, optical compound film proposed by the present invention, including the microprism diffusion barrier that is pasted together
(Micro Lens) and the prism film that adds lustre to (Prism), the microprism diffusion barrier and the prism film that adds lustre to are separately positioned on incidence surface
And light-emitting surface；
The microprism diffusion barrier includes the first transmitting substrate and microprism diffusion structure, the microprism diffusion structure packet
The light transmission spheroidal particle on the first transmitting substrate of the incidence surface is included, the light transmission spheroidal particle arranges regularly
On the first transmitting substrate；
The prism film that adds lustre to includes the second transmitting substrate and prism structure, and the prism structure is located at close to the light extraction
On second transmitting substrate in face.
Preferably, the microprism diffusion structure includes at least two row microprism diffusion groups arranged in parallel, every group
The microprism diffusion group includes the light transmission spheroidal particle of at least two alignments.
Preferably, the light transmission spheroidal particle is coated on by solidified glue on first transmitting substrate.
Preferably, the material of the light transmission spheroidal particle is organic glass.
Preferably, adhered layer is formed between the microprism diffusion barrier and the prism film that adds lustre to, the thickness of the adhered layer≤
10um。
Preferably, the adhesive of the adhered layer is using acrylic resin, polyurethane acrylate resin, polyester acrylic
The one or more of ester resin and Epocryl.
Preferably, the prism structure includes multiple stripe prisms arranged in parallel, and the stripe prisms are perpendicular to institute
The section for stating the second transmitting substrate direction is triangle.
Preferably, the material of first transmitting substrate and the second transmitting substrate be polyethylene terephthalate or
Makrolon.
In addition, the present invention also provides a kind of backlight, including frame, the light guide plate that is arranged in the frame and set
The lamp bar in the light guide plate incidence surface and optical compound film described above are set, the optical compound film is arranged described
On the light-emitting surface of light guide plate, and the prism film that adds lustre to is in the one side far from the light guide plate.
In addition, the present invention also provides a kind of liquid crystal display die set, include the optical compound film or backlight of any of the above-described
Source.
In technical solution of the present invention, optical compound film includes the microprism diffusion barrier being pasted together and adds lustre to prism film,
The microprism diffusion barrier and the prism film that adds lustre to are separately positioned on incidence surface and light-emitting surface；The microprism diffusion barrier includes first
Transmitting substrate and microprism diffusion structure, the microprism diffusion structure include on the first transmitting substrate of the incidence surface
Light transmission spheroidal particle, the light transmission spheroidal particle is arranged in regularly on the first transmitting substrate；The prism film that adds lustre to
Including the second transmitting substrate and prism structure, the prism structure is located on the second transmitting substrate of the light-emitting surface.This
The microprism diffusion barrier of invention close to light guide plate light-emitting surface, from light guide plate come out light first pass through microprism diffusion barrier to light into
Row atomization, reduce the microcosmic convergence of light guide board microstructure or site to light, improve shielding, advantageously reduce light guide plate and
The interference fringe occurred between LCD panel.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of the optical compound film of one embodiment of the invention.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 1 | Microprism diffusion barrier | 11 | First transmitting substrate |
| 12 | Light transmission spheroidal particle | 2 | Add lustre to prism film |
| 21 | Second transmitting substrate | 22 | Stripe prisms |
| 3 | Adhered layer |
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining relative position relation, motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and should not be understood as
It indicates or implies its relative importance or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In the description of the present invention, " multiple " contain
Justice is at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. shall be understood in a broad sense,
For example, " fixation " may be a fixed connection, it may be a detachable connection, or integral；It can be mechanical connection, can also be
Electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary the connection inside two elements or two
The interaction relationship of a element, unless otherwise restricted clearly.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In addition, the technical solution between each embodiment of the present invention can be combined with each other, but must be general with this field
Logical technical staff can be implemented as basis, will be understood that when the combination of technical solution appearance is conflicting or cannot achieve this
The combination of technical solution is not present, also not the present invention claims protection domain within.
The present invention proposes a kind of optical compound film POM (Prism on Micro Lens), as shown in Figure 1, including being pasted onto
Microprism diffusion barrier 1 (Micro Lens) together and the prism film 2 (Prism) that adds lustre to, microprism diffusion barrier 1 and the prism film that adds lustre to
2 are separately positioned on incidence surface and light-emitting surface；Microprism diffusion barrier 1 includes the first transmitting substrate 11 and microprism diffusion structure, micro-
Prism diffusion structure includes the light transmission spheroidal particle 12 on the first transmitting substrate 11 of incidence surface, and light transmission spheroidal particle 12 is advised
It is then arranged in an orderly manner on the first transmitting substrate 11；The prism film 2 that adds lustre to includes the second transmitting substrate 21 and prism structure, prism knot
Structure is located on the second transmitting substrate 21 of light-emitting surface.
Wherein, the light transmission spheroidal particle 12 of microprism diffusion barrier 1 had not only had the effect of that microprism converged light, but also had diffusion
Particle breaks up light the effect of atomization, and microprism diffusion barrier 1 is less than simple microprism to the effect that light converges, mist is broken up to light
The effect of change is less than simple diffusion barrier.
MOP composite membranes (Micro Lens on Prism) are usually used in the prior art, i.e., the prism film that will add lustre to is placed in
The lower layer of microprism diffusion barrier, the prism film that adds lustre to is in the side of incidence surface, and microprism diffusion barrier is in the side of light-emitting surface, light source
After light guide plate comes out, the prism film that adds lustre to is initially entered, microprism diffusion barrier is entered back into after low-light convergence, low-light occurs again and converges
Poly-, the interference fringe between light guide plate and LCD panel is it is obvious that shielding is poor.
And microprism is spread add lustre to prism film 2 and 1 transposition of microprism diffusion barrier in the prior art by the present invention
Film 1 is placed in the lower layer for the prism film 2 that adds lustre to, i.e., microprism diffusion barrier 1 is in the side of incidence surface, and the prism film 2 that adds lustre to is in light-emitting surface
Side.The light that light guide plate comes out first passes through microprism diffusion barrier 1 and carries out breaing up atomization to light, reduces light guide board microstructure or net
Microcosmic convergence of the point to light, improves shielding, advantageously reduces the interference fringe occurred between light guide plate and LCD panel.
Specifically, microprism diffusion structure includes at least two row microprism diffusion group arranged in parallel, every group of micro- rib
Mirror diffusion group includes the light transmission spheroidal particle 12 of at least two alignments.In the present embodiment, 12 size phase of light transmission spheroidal particle
Deng being uniformly regularly arranged on the first transmitting substrate 11 so that the composite membrane phase of the composite membrane of the present embodiment and the prior art
Than in the case that luminance gain is constant, reducing interference fringe, improving screening effect.
Above-mentioned light transmission spheroidal particle 12 is coated on by solidified glue on the first transmitting substrate 11.Wherein solidification is using ultraviolet
Photocuring or heat cure, a diameter of 12~20um of light transmission spheroidal particle 12.Further, the material of light transmission spheroidal particle 12
For organic glass.The material of first transmitting substrate 11 and the second transmitting substrate 21 is polyethylene terephthalate or poly- carbon
Acid esters.
In addition, forming adhered layer 3, thickness≤10um of adhered layer 3 between microprism diffusion barrier 1 and the prism film 2 that adds lustre to.Its
The adhesive of middle adhered layer 3 uses acrylic resin, polyurethane acrylate resin, polyester acrylate resin and propylene oxide
The one or more of acid ester resin.In this example, the thickness of adhered layer 3 is 2um, and 21 backsize of the second transmitting substrate is pasted
Layer 3, is then bonded with microprism diffusion barrier 1, and consolidated by ultraviolet light (ultraviolet light) or heat cure mode
Change.
The prism structure of the present embodiment includes multiple stripe prisms 22 arranged in parallel, stripe prisms 22 perpendicular to
The section in two transmitting substrates, 21 direction is triangle.The height of above-mentioned stripe prisms 22 between 20~32um, every prism
It is highly identical, and section is isosceles triangle.
Further, in order to reduce or eliminate the Moire fringe generated between prism and LCD panel, prism structure can
With including at least the different stripe prisms 22 of three kinds or more spacing and height, to upset the rule of prism striped
Rule property arrangement mode can be eliminated because of regular brightness change caused by prism striped regularity arrangement mode, thus can be with
Reduce or eliminate the Moire fringe generated between prismatic lens and LCD panel.The No- L aw Order group of each prism striped simultaneously
The homogenization for significantly improving prismatic reflection light luminance is closed, the utilization rate of illuminating ray is improved and can further improve LCD
Briliancy.Further, can the top surface of stripe prisms 22 be arranged flexible glue body, flexible glue can effectively anti-scratch resistance to compression, make
Add lustre to the 2 anti-scratch resistance to compression of energy of prism film, ebonite body then is arranged on the top surface of a lower height of stripe prisms 22, due to ebonite
Body is higher than flexible glue to the refractive index of light, and the transmitance of light increases, and the efficiency of light energy utilization for the prism film 2 that makes to add lustre to is high.
The preparation method of the optical compound film of the present embodiment includes the following steps：It is solid that lighting is applied on the first transmitting substrate 11
Tensol uniformly pastes light transmission spheroidal particle 12, with ultraviolet radiation-curable, obtains microprism diffusion barrier 1；In the second light transmission base
The light-emitting surface of material 21 is coated with photocuring glue, pastes stripe prisms 22 and obtains the prism film 2 that adds lustre to, so with ultraviolet radiation-curable
Afterwards in the incidence surface coating adhesive for the prism film that adds lustre to, adhered layer is obtained, is finally bonded with microprism diffusion barrier to get to this reality
Apply the optical compound film of example.
In addition, the present invention also provides a kind of backlight, including frame, the light guide plate that is arranged in frame and setting
Lamp bar in light guide plate incidence surface and above-mentioned optical compound film, optical compound film are arranged on the light-emitting surface of light guide plate, and
Prism film 2 add lustre in the one side far from light guide plate.Lamp bar is located at the side or the back side of light guide plate, and lamp bar can be light-emitting diodes
Pipe (Light-Emitting Diode, referred to as：) or cathode fluorescent tube (Cold Cathode Fluorescent LED
Lamp, referred to as：CCFL).
In addition, the present invention also provides a kind of liquid crystal display die set, including above-mentioned optical compound film or above-mentioned backlight.This
The liquid crystal display die set shielding of invention is high, reduces interference fringe, improves the uniformity of light.
For the present invention by the way that two diaphragms are combined into an entirety by solventless adhesive, forming one has independent knot
Micro- optical compound film that adds lustre to of structure, thickness are the 1/3 of traditional diaphragm, meet the product ultrathin market demand, are significantly less than
Traditional diaphragm thickness (＞ 2000um), and good in optical property, packaging efficiency are high, it is at low cost.In addition, the microprism diffusion of the present invention
Film 1 is located at the lower layer for the prism film 2 that adds lustre to, and the light that light guide plate comes out initially enters microprism diffusion barrier 1, and microprism diffusion barrier 1 is right
Light carries out breaing up atomization, reduces the microcosmic convergence of light guide board microstructure or site to light, improves shielding, advantageously reduce
The interference fringe occurred between light guide plate and LCD panel.
It these are only the preferred embodiment of the present invention, be not intended to limit the scope of the invention, it is every in the present invention
Design under, using equivalent transformation made by description of the invention, or directly/to be used in other related technical areas equal indirectly
It is included within the scope of the present invention.
Claims (10)
1. a kind of optical compound film, which is characterized in that described including the microprism diffusion barrier being pasted together and the prism film that adds lustre to
Microprism diffusion barrier and the prism film that adds lustre to are separately positioned on incidence surface and light-emitting surface；
The microprism diffusion barrier includes the first transmitting substrate and microprism diffusion structure, and the microprism diffusion structure includes the back of the body
From the light transmission spheroidal particle on the first transmitting substrate of the incidence surface, the light transmission spheroidal particle is arranged in regularly
On one transmitting substrate；
The prism film that adds lustre to includes the second transmitting substrate and prism structure, and the prism structure is located at close to the light-emitting surface
On second transmitting substrate.
2. optical compound film as described in claim 1, which is characterized in that the microprism diffusion structure includes at least two row phases
Mutual microprism diffusion group disposed in parallel, microprism diffusion group described in every group includes the light transmission spherical shape grain of at least two alignments
Son.
3. optical compound film as described in claim 1, which is characterized in that the light transmission spheroidal particle is coated with by solidified glue
On first transmitting substrate.
4. optical compound film as described in claim 1, which is characterized in that the material of the light transmission spheroidal particle is organic glass
Glass.
5. optical compound film as described in claim 1, which is characterized in that between the microprism diffusion barrier and the prism film that adds lustre to
Form adhered layer, thickness≤10 μm of the adhered layer.
6. optical compound film as claimed in claim 5, which is characterized in that the adhesive of the adhered layer uses acrylic acid tree
The one or more of fat, polyurethane acrylate resin, polyester acrylate resin and Epocryl.
7. such as optical compound film according to any one of claims 1 to 6, which is characterized in that the prism structure includes multiple
Stripe prisms arranged in parallel, the stripe prisms are triangle in the section perpendicular to second transmitting substrate direction.
8. such as optical compound film according to any one of claims 1 to 6, which is characterized in that first transmitting substrate and the
The material of two transmitting substrates is polyethylene terephthalate or makrolon.
9. a kind of backlight, which is characterized in that led described including frame, the light guide plate being arranged in the frame and setting
The lamp bar of tabula rasa incidence surface and optical compound film according to any one of claims 1 to 8, the optical compound film setting
On the light-emitting surface of the light guide plate, and the prism film that adds lustre to is in the one side far from the light guide plate.
10. a kind of liquid crystal display die set, which is characterized in that including optical compound film such as according to any one of claims 1 to 8
Or the backlight described in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810391110.3A CN108549177A (en) | 2018-04-26 | 2018-04-26 | Optical compound film, backlight and liquid crystal display die set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810391110.3A CN108549177A (en) | 2018-04-26 | 2018-04-26 | Optical compound film, backlight and liquid crystal display die set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108549177A true CN108549177A (en) | 2018-09-18 |
Family
ID=63512702
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810391110.3A Pending CN108549177A (en) | 2018-04-26 | 2018-04-26 | Optical compound film, backlight and liquid crystal display die set |
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| CN (1) | CN108549177A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109575764A (en) * | 2018-11-09 | 2019-04-05 | 宁波激智科技股份有限公司 | A kind of coating composition for spreading the composite membrane laminating layer that adds lustre to and a kind of diffusion add lustre to composite membrane and preparation method thereof |
| CN110850674A (en) * | 2019-12-21 | 2020-02-28 | 成都菲斯特科技有限公司 | Projection screen and projection system |
| CN110928130A (en) * | 2019-12-21 | 2020-03-27 | 成都菲斯特科技有限公司 | Projection screen and projection system |
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| CN107831620A (en) * | 2016-12-07 | 2018-03-23 | 常州华威新材料有限公司 | A kind of novel and multifunctional optical compound film and preparation method thereof |
| CN206990843U (en) * | 2017-07-11 | 2018-02-09 | 江苏双星彩塑新材料股份有限公司 | A kind of diffusion for backlight module adds lustre to complex optical film |
| CN206990986U (en) * | 2017-07-11 | 2018-02-09 | 江苏双星彩塑新材料股份有限公司 | A kind of composite membrane for backlight module |
| CN107608120A (en) * | 2017-10-11 | 2018-01-19 | 深圳Tcl新技术有限公司 | Liquid crystal display compound film sheet, liquid crystal module and liquid crystal display device |
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| CN109575764A (en) * | 2018-11-09 | 2019-04-05 | 宁波激智科技股份有限公司 | A kind of coating composition for spreading the composite membrane laminating layer that adds lustre to and a kind of diffusion add lustre to composite membrane and preparation method thereof |
| CN110850674A (en) * | 2019-12-21 | 2020-02-28 | 成都菲斯特科技有限公司 | Projection screen and projection system |
| CN110928130A (en) * | 2019-12-21 | 2020-03-27 | 成都菲斯特科技有限公司 | Projection screen and projection system |
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Application publication date: 20180918 |