CN205982700U - Light turns to membrane - Google Patents
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- CN205982700U CN205982700U CN201620806642.5U CN201620806642U CN205982700U CN 205982700 U CN205982700 U CN 205982700U CN 201620806642 U CN201620806642 U CN 201620806642U CN 205982700 U CN205982700 U CN 205982700U
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Abstract
The utility model provides a light turns to membrane. This light turns to membrane includes a transparent conducting film and sets up the prism layer on a transparent conducting film, the micro -structure surface of a side surface for having prism structure of keeping away from a transparent conducting film on prism layer, and prism structure has the depressed part, and light turns to membrane still includes: the liquid crystal materials layer sets up in the micro -structure on prism layer on the surface, the 2nd transparent conducting film sets up and keeps away from the prism layer on the surface in the liquid crystal materials layer. Above -mentioned light turns to membrane can switch between lightproof membrane and printing opacity membrane, has satisfied the demand of special place to light turns to membrane, the utilization ratio through the incident light that turns to the membrane can also have been improved effectively, and, because above -mentioned liquid crystal materials layer sets up in the surface on prism layer to prism structure to the prism layer plays fine guard action, has avoided prism structure directly to expose in the air and the pollution that causes.
Description
Technical field
This utility model is related to optical technical field, in particular to a kind of light turning film.
Background technology
In prior art, generally on interior of building such as glass, setting various functions layers to reduce the energy in building
Consume, thus effectively utilizing sunlight to provide illumination in interior of building.A kind of in the buildings such as such as office
The technology of portion's supply light is to enter horizontal deflection by arranging turning film to the sunlight come in.However, because sunlight is with angle directed downwardly
Degree enters window, so much this light not can be used for illuminating room.
Prism structure in existing light turning film region be directly facing air, and its refractivity is maximum, and deviation angle is maximum, but
It is that this can cause window glass to seem to be atomized, this is because the light being directly incident on human eye through window tails off.
And, it is that the base material one side of turning film is attached on window glass when arranging, thus the prism structure of turning film is straight
Connect exposure in atmosphere, thus easily causing pollution.
Utility model content
Main purpose of the present utility model is to provide a kind of light turning film, to solve to pass through light turning film in prior art
Light utilization rate difference problem.
To achieve these goals, according to one side of the present utility model, there is provided a kind of light turning film, including first
Transparency conducting layer and be arranged at layers of prisms on the first transparency conducting layer, the side away from the first transparency conducting layer of layers of prisms
Surface is the micro-structure surface with prism structure, and prism structure has depressed part, and light turning film also includes：Liquid crystal material layer,
It is arranged on the micro-structure surface of layers of prisms；Second transparency conducting layer, is arranged at the surface away from layers of prisms of liquid crystal material layer
On.
Further, the structure that the liquid crystal material that liquid crystal material layer is 300～900 for weight average molecular weight is formed.
Further, a side surface of the close layers of prisms of liquid crystal material layer has filling part, filling part and prism structure
It is adapted.
Further, the first transparency conducting layer is ITO layer；Second transparency conducting layer is ITO layer.
Further, light turning film also includes the adhesive layer being arranged between liquid crystal material layer and the second transparency conducting layer.
Further, adhesive layer is pressure-sensitive adhesive layer.
Further, adhesive layer is UV solidified pressure-sensitive layer.
Further, layers of prisms is UV curing resin layer.
Further, UV solidified resin be epoxy acrylic resin layer, amino acrylic resin layer, polyvinyl resin layer,
The single resin bed of polyurethane acrylic resin layer and the formation of polyester acrylate resin layer or compound resin layer.
Further, light turning film also includes the hardening painting away from layers of prisms side being arranged at the first transparency conducting layer
Layer.
Further, light turning film also includes the anti-fingerprint painting away from layers of prisms side being arranged at the first transparency conducting layer
Layer.
Application the technical solution of the utility model, there is provided a kind of include the first transparency conducting layer and to be arranged at first saturating
The light turning film of the layers of prisms on bright conductive layer, and the side surface away from the first transparency conducting layer of layers of prisms has prism knot
Structure, due to this light turning film also include being arranged at the liquid crystal material layer away from the first transparency conducting layer one side surface of layers of prisms with
And be arranged at liquid crystal material layer away from the second transparency conducting layer in prism layer surface, thus by the first transparency conducting layer
And/or the second transparency conducting layer energising, make to form electric field in liquid crystal material layer, so that opaque milky liquid crystal material layer
Form transparent colourless liquid crystal material layer under electric field action, now enable light pass through the first transparency conducting layer, layers of prisms,
Liquid crystal material layer and the second transparency conducting layer, and then so that light turning film is switched between alternatively non-transparent film and light-transmissive film, meet
The demand to light turning film for the Code in Hazardous Special Locations；Can also be by controlling between the first transparency conducting layer and the second transparency conducting layer
Electric potential difference, the refractive index of adjustment liquid crystal material layer, so that the incident illumination injecting interior can be by big angle when by light turning film
The deviation of degree, incident illumination is refracted to the top surface of interior and/or the bottom surface being refracted to interior down upward, then passes through top surface and bottom surface
It is refracted in interior, thus whole interior is illuminated, and then be effectively improved the utilization rate of the incident illumination by turning film；And
And, because above-mentioned liquid crystal material layer is arranged at the surface of layers of prisms, thus good protection is played to the prism structure of layers of prisms
Effect, it is to avoid the pollution that prism structure is directly exposed in the air and causes.
In addition to objects, features and advantages described above, this utility model also has other purposes, feature and excellent
Point.Below with reference to figure, this utility model is described in further detail.
Brief description
The Figure of description constituting a part of the present utility model is used for providing further understanding to of the present utility model, this
The schematic description and description of utility model is used for explaining this utility model, does not constitute to improper limit of the present utility model
Fixed.In the accompanying drawings：
Fig. 1 shows a kind of generalized section of light turning film that this utility model embodiment is provided；
Fig. 2 shows that a kind of section of the light turning film of inclusion adhesive layer that this utility model embodiment is provided is illustrated
Figure；
Fig. 3 shows that a kind of section of the light turning film of inclusion hardening coat that this utility model embodiment is provided shows
It is intended to；And
Fig. 4 shows a kind of section of the light turning film of inclusion anti-fingerprint coating that this utility model embodiment is provided
Schematic diagram.
Wherein, above-mentioned accompanying drawing includes the following drawings labelling：
10th, the first transparency conducting layer；20th, layers of prisms；30th, liquid crystal material layer；40th, the second transparency conducting layer；50th, gluing
Layer；60th, hardening coat；70th, anti-fingerprint coating.
Specific embodiment
It should be noted that in the case of not conflicting, the embodiment in this utility model and the feature in embodiment can
To be mutually combined.To describe this utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
In order that those skilled in the art more fully understand this utility model scheme, real below in conjunction with this utility model
Apply the accompanying drawing in example, the technical scheme in this utility model embodiment is clearly and completely described it is clear that described
Embodiment is only the embodiment of this utility model part, rather than whole embodiments.Based on the reality in this utility model
Apply example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of not making creative work, all answer
When the scope belonging to this utility model protection.
It should be noted that term " first " in specification and claims of the present utility model and above-mentioned accompanying drawing,
" second " etc. is for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so
The data using can be exchanged, in the appropriate case so that embodiment of the present utility model described herein.Additionally, term " bag
Include " and " having " and their any deformation it is intended that covering non-exclusive comprising, for example, contain series of steps
Or the process of unit, method, system, product or equipment are not necessarily limited to those steps or the unit clearly listed, but can wrap
Include clearly not listing or for these processes, method, product or the intrinsic other steps of equipment or unit.
From background technology, the prism structure in light turning film in prior art region be directly facing air, its refractivity
Maximum, deviation angle is maximum, but this can cause window glass to seem to be atomized.This utility model is ground for the problems referred to above
Study carefully, there is provided a kind of light turning film, as shown in Figures 1 to 4, including the first transparency conducting layer 10 and be arranged at the first electrically conducting transparent
Layers of prisms 20 on layer 10, the side surface away from the first transparency conducting layer 10 of layers of prisms 20 is micro- knot with prism structure
Structure surface, prism structure has depressed part, and light turning film also includes：Liquid crystal material layer 30, is arranged at the micro structure of layers of prisms 20
On surface；Second transparency conducting layer 40, is arranged on the surface away from layers of prisms 20 of liquid crystal material layer 30.
Because liquid crystal material layer is arranged between the first transparency conducting layer and the second transparency conducting layer in this light turning film, from
And by the first transparency conducting layer and/or the energising of the second transparency conducting layer, making to be formed electric field in liquid crystal material layer, so that not
Transparent milky liquid crystal material layer forms transparent colourless liquid crystal material layer under electric field action, so that light is passed through
First transparency conducting layer, layers of prisms, liquid crystal material layer and the second transparency conducting layer, and then enable light turning film in alternatively non-transparent film
Switch and light-transmissive film between, meet the demand to light turning film for the Code in Hazardous Special Locations；Can also be by controlling the first transparency conducting layer
And second electric potential difference between transparency conducting layer, the refractive index of adjustment liquid crystal material layer, so that inject the incident illumination of interior logical
Crossing can be by the deviation of wide-angle during light turning film, and incident illumination is refracted to the top surface of interior upward and/or is refracted to interior down
Bottom surface, then be refracted in interior by top surface and bottom surface, thus whole interior is illuminated, and then be effectively improved by turning
Utilization rate to the incident illumination of film；And, because above-mentioned liquid crystal material layer is arranged at the surface of layers of prisms, thus to layers of prisms
Prism structure plays a very good protection, it is to avoid the pollution that prism structure is directly exposed in the air and causes.
In above-mentioned light turning film of the present utility model, liquid crystal material layer 30 is prepared from by liquid crystal material, and liquid crystal material
The bed of material 30 is arranged between the first transparency conducting layer 10 and the second transparency conducting layer 40, and the liquid crystal material in liquid crystal material layer 30 is no
Sequence arranges, and assumes milky opaque state, so that light cannot pass through liquid crystal material layer 30；When to the first electrically conducting transparent
During at least one of which energising of layer 10 and the second transparency conducting layer 40, between the first transparency conducting layer 10 and the second transparency conducting layer 40
There is electric potential difference, thus forming electric field, liquid under electric field action between the first transparency conducting layer 10 and the second transparency conducting layer 40
Liquid crystal material ordered arrangement in brilliant material layer 30, assumes colourless pellucidity, and then enables light to pass through liquid crystal material
Layer 30.
In order that liquid crystal material layer 30 has higher light penetration in the energized state it is preferable that liquid crystal material layer
30 weight average molecular weight is 300～900.The weight average molecular weight of liquid crystal material layer 30 is limited to can also in above-mentioned preferred scope
Enough make between liquid crystal material layer 30 and the first transparency conducting layer 10 and between liquid crystal material layer 30 and the second transparency conducting layer 40
There is suitable refractivity, thus it is larger but rational that the emergent light from the second transparency conducting layer 40 can not only be made to have
Deviation angle, further increasing the utilization rate of the incident illumination by light turning film additionally it is possible to be effectively prevented from light turning film
The atomizating phenomenon produce is arranged on glass, so that the glass being provided with light turning film has higher human viewable's degree.
It is preferable that the first transparency conducting layer 10 is ITO layer in above-mentioned light turning film of the present utility model；Second is transparent
Conductive layer 40 is ITO layer.Above-mentioned ITO layer can make the first transparency conducting layer 10 and the second transparency conducting layer 40 have simultaneously higher
Electric conductivity and the transparency；And, in order to improve the transmitance of incident illumination and convergence effect it is preferable that forming layers of prisms 20
Material be UV solidified resin, preferably UV solidified resin be selected from epoxy acrylic resin, amino acrylic resin, polyvinyl resin,
Any one or more in polyurethane acrylic resin, polyester acrylate resin, but it is not limited to above-mentioned preferred material, this
Skilled person can be according to forming the material of the first transparency conducting layer 10 and the second transparency conducting layer 40 to layers of prisms 20
Material is chosen.
It is preferable that the side of the close layers of prisms 20 of liquid crystal material layer 30 in above-mentioned light turning film of the present utility model
Surface has filling part, and filling part is adapted with prism structure.By by the filling part of liquid crystal material layer 30 and layers of prisms 20
Prism structure is adapted, and a side surface with filling part of liquid crystal material layer 30 is filled and led up, thus avoid filling part with
The generation of the air gap between prism structure, reduces the shadow of the deviation angle to the emergent light through prism structure for the air gap
Ring, being effectively guaranteed the incident illumination injecting interior can be by the deviation of wide-angle, and then further when by light turning film
Improve the utilization rate of incident illumination by turning film.
It is preferable that light turning film also includes being arranged at liquid crystal material layer 30 in the above-mentioned light turning film of this utility model
Away from the adhesive layer 50 of layers of prisms 20 side, its structure is as shown in Figure 2.In order to improve the adhesiveness of adhesive layer 50 it is preferable that shape
The material becoming adhesive layer 50 is pressure sensitive adhesive, more preferably UV solidified pressure-sensitive.By above-mentioned adhesive layer, light turning film is adhered to
On glass, so that the first transparency conducting layer 10 of light turning film is exposed in the air, by the first transparency conducting layer 10 to rib
The prism structure of mirror layer 20 is protected, and then avoids the pollution that prism structure is directly exposed in the air and causes；And,
Preferably, the refractive index of adhesive layer 50 is less than the refractive index of liquid crystal material layer 30.Liquid is less than by the refractive index making adhesive layer 50
The refractive index of brilliant material layer 30, can make layers of prisms 20, liquid crystal material layer 30 and adhesive layer 50 form what refractive index was gradually successively decreased
Membrane system, so that the emergent light from liquid crystal material layer 30 can keep its deviation angle constant when through liquid crystal material layer 30
Or increase further, it is to avoid the impact to the emergent light deviation angle being derived from out light turning film for the adhesive layer 50.
It is preferable that light turning film also includes being arranged at the first transparency conducting layer in the above-mentioned light turning film of this utility model
10 hardening coat 60 away from layers of prisms 20 side, its structure is as shown in Figure 3.Above-mentioned hardening coat 60 is used for improving light steering
The case hardness of film, thus improving the scratch resistance of light turning film, the material forming above-mentioned hardening coat 60 can be anti-dizzy
AG hardening resin.Or it is preferable that light turning film also include being arranged at the first transparency conducting layer 10 away from layers of prisms 20 side
Anti-fingerprint coating 70, its structure is as shown in Figure 4.Above-mentioned anti-fingerprint coating 70 is used for improving the anti-fingerprint scratch energy of light turning film
Power, the material forming this anti-fingerprint coating 70 can be anti-fingerprint AF hardening resin.
According to further aspect of the application, there is provided a kind of light transmission regulation and control method of above-mentioned light turning film, printing opacity
Property regulation and control method include：To the first transparency conducting layer in light turning film and/or the energising of the second transparency conducting layer, turned with changing light
The refractive index of liquid crystal material layer in film.
Above-mentioned light transmission regulation and control method is by the first transparency conducting layer and/or the energising of the second transparency conducting layer, making liquid crystal
Form electric field, so that opaque milky liquid crystal material layer forms transparent no dichroic liquid crystal under electric field action in material layer
Material layer, now enables light pass through the first transparency conducting layer, layers of prisms, liquid crystal material layer and the second transparency conducting layer, enters
And so that light turning film is switched between alternatively non-transparent film and light-transmissive film, meet the demand to light turning film for the Code in Hazardous Special Locations.
Liquid crystal material can also be adjusted by controlling the electric potential difference between the first transparency conducting layer and the second transparency conducting layer
The refractive index of layer, so that the incident illumination injecting interior can be by the deviation of wide-angle when by light turning film, incident illumination is upward
It is refracted to the top surface of interior and/or the bottom surface being refracted to interior down, then be refracted in interior by top surface and bottom surface, thus will
Entirely interior is illuminated, and then is effectively improved the utilization rate of the incident illumination by turning film.
A kind of membrane preparation method preparing above-mentioned light turning film can include：Coating UV solidification on the first transparency conducting layer
Resin, provides the mould with the press mold structure complementary with prism structure, carries out press mold using this mould to UV solidified resin, and
Using ultraviolet light UV solidified resin, the UV solidified resin being formed with prism structure is solidified, to be formed, there is prism structure
Layers of prisms；Then, the second transparency conducting layer is arranged above the first transparency conducting layer, and liquid crystal material is filled in first
Between transparency conducting layer and the second transparency conducting layer, to form liquid crystal material layer.
Preferably, above-mentioned preparation method is additionally may included in the side surface attaching glue away from layers of prisms of liquid crystal material layer
The step of adhesion coating.And it is preferable that above-mentioned preparation method be additionally may included in the first transparency conducting layer away from the one of layers of prisms
Side surface minute surface or cloudy surface die coating UV solidified resin, and applied with forming hardening coat or anti-fingerprint using ultraviolet light
The step of layer.
The light turning film of the application offer is be provided below in conjunction with embodiment and comparative example.
Embodiment 1
The first transparency conducting layer that the light turning film that the present embodiment provides includes stacking gradually, layers of prisms, liquid crystal material layer
With the second transparency conducting layer, the side surface away from transmitting substrate layer of layers of prisms has prism structure.
Wherein, form the first transparency conducting layer and the material of the second transparency conducting layer is ITO, form the material of layers of prisms
For epoxy acrylic resin, in liquid crystal material layer, the weight average molecular weight of liquid crystal is 200.
Embodiment 2
The first transparency conducting layer that the light turning film that the present embodiment provides includes stacking gradually, layers of prisms, liquid crystal material layer
With the second transparency conducting layer, the side surface away from transmitting substrate layer of layers of prisms has prism structure.
Wherein, form the first transparency conducting layer and the material of the second transparency conducting layer is ITO, form the material of layers of prisms
For epoxy acrylic resin, in liquid crystal material layer, the weight average molecular weight of liquid crystal is 300.
Embodiment 3
The first transparency conducting layer that the light turning film that the present embodiment provides includes stacking gradually, layers of prisms, liquid crystal material layer
With the second transparency conducting layer, the side surface away from transmitting substrate layer of layers of prisms has prism structure.
Wherein, form the first transparency conducting layer and the material of the second transparency conducting layer is ITO, form the material of layers of prisms
For epoxy acrylic resin, in liquid crystal material layer, the weight average molecular weight of liquid crystal is 900.
Embodiment 4
The first transparency conducting layer that the light turning film that the present embodiment provides includes stacking gradually, layers of prisms, liquid crystal material layer
With the second transparency conducting layer, the side surface away from transmitting substrate layer of layers of prisms has prism structure.
Wherein, form the first transparency conducting layer and the material of the second transparency conducting layer is ITO, form the material of layers of prisms
For epoxy acrylic resin, in liquid crystal material layer, the weight average molecular weight of liquid crystal is 500.
Comparative example 1
The light turning film that the present embodiment provides includes the transmitting substrate layer and the layers of prisms that stack gradually, layers of prisms away from saturating
One side surface of light substrate layer has prism structure.
Wherein, the material forming transmitting substrate layer is polyethylene terephthalate, and the material forming layers of prisms is epoxy
Acrylic resin.
Respectively the light turning film in above-described embodiment and comparative example is carried out with energizing test, and the above-mentioned light after energising is turned
Tested to the light penetration of film, from test result as can be seen that being energized to the light turning film embodiment and comparative example
Afterwards, the light penetration of the light turning film in comparative example 1 is constant, and the light turning film in embodiment 1 to 3 is after powered up, its light
Line transmitance significantly increases, and, the light turning film in embodiment 2 to 4 has more compared to the light turning film in embodiment 1
Big transmitance amplification, averagely can reach before energising 80% about it is seen that the light turning film in embodiment 1 to 3 can be real
Switching between alternatively non-transparent film and light-transmissive film now.
As can be seen from the above description, this utility model the above embodiments achieve following technique effect：
1st, by the first transparency conducting layer and/or the energising of the second transparency conducting layer, making to form electric field in liquid crystal material layer,
So that opaque milky liquid crystal material layer forms transparent colourless liquid crystal material layer under electric field action, now make light
By the first transparency conducting layer, layers of prisms, liquid crystal material layer and the second transparency conducting layer, and then light turning film can be enable to exist
Switch between alternatively non-transparent film and light-transmissive film, meet the demand to light turning film for the Code in Hazardous Special Locations；
2nd, pass through to control the voltage in the first transparency conducting layer and the second transparency conducting layer, the refraction of adjustment liquid crystal material layer
Rate, so that the incident illumination injecting interior can be by the deviation of wide-angle when by light turning film, incident illumination is refracted to room upward
Interior top surface and/or the bottom surface being refracted to interior down, then be refracted in interior by top surface and bottom surface, thus will be entirely indoor
Illuminate, and then be effectively improved the utilization rate of the incident illumination by turning film；
3rd, because above-mentioned liquid crystal material layer is arranged at the surface of layers of prisms, thus playing very well to the prism structure of layers of prisms
Protective effect, it is to avoid the pollution that prism structure is directly exposed in the air and causes.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for this
For the technical staff in field, this utility model can have various modifications and variations.All of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvement made etc., should be included within protection domain of the present utility model.
Claims (11)
1. a kind of light turning film is it is characterised in that including the first transparency conducting layer (10) and being arranged at described first and transparent lead
Layers of prisms (20) in electric layer (10), the side surface away from described first transparency conducting layer (10) of described layers of prisms (20) is
There is the micro-structure surface of prism structure, described prism structure has depressed part it is characterised in that described light turning film is also wrapped
Include：
Liquid crystal material layer (30), is arranged on the micro-structure surface of described layers of prisms (20)；
Second transparency conducting layer (40), is arranged on the surface away from described layers of prisms (20) of described liquid crystal material layer (30).
2. light turning film according to claim 1 is it is characterised in that described liquid crystal material layer (30) for weight average molecular weight is
The structure that 300～900 liquid crystal material is formed.
3. light turning film according to claim 1 is it is characterised in that the close described prism of described liquid crystal material layer (30)
One side surface of layer (20) has filling part, and described filling part is adapted with described prism structure.
4. light turning film according to claim 1 it is characterised in that
Described first transparency conducting layer (10) is ITO layer；
Described second transparency conducting layer (40) is ITO layer.
5. light turning film according to any one of claim 1 to 4 is it is characterised in that described light turning film also includes setting
It is placed in the adhesive layer (50) between described liquid crystal material layer (30) and described second transparency conducting layer (40).
6. light turning film according to claim 5 is it is characterised in that described adhesive layer (50) is pressure-sensitive adhesive layer.
7. light turning film according to claim 6 is it is characterised in that described adhesive layer (50) is UV solidified pressure-sensitive layer.
8. light turning film according to any one of claim 1 to 4 is it is characterised in that described layers of prisms (20) is solid for UV
Change resin bed.
9. light turning film according to claim 8 is it is characterised in that described UV curing resin layer is epoxy acrylic resin
The list that layer, amino acrylic resin layer, polyvinyl resin layer, polyurethane acrylic resin layer and polyester acrylate resin layer are formed
One resin bed or compound resin layer.
10. light turning film according to any one of claim 1 to 4 is it is characterised in that described light turning film also includes setting
It is placed in the hardening coat (60) away from described layers of prisms (20) side of described first transparency conducting layer (10).
11. light turning films according to any one of claim 1 to 4 are it is characterised in that described light turning film also includes setting
It is placed in the anti-fingerprint coating (70) away from described layers of prisms (20) side of described first transparency conducting layer (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620806642.5U CN205982700U (en) | 2016-07-28 | 2016-07-28 | Light turns to membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620806642.5U CN205982700U (en) | 2016-07-28 | 2016-07-28 | Light turns to membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205982700U true CN205982700U (en) | 2017-02-22 |
Family
ID=58028034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620806642.5U Active CN205982700U (en) | 2016-07-28 | 2016-07-28 | Light turns to membrane |
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| Country | Link |
|---|---|
| CN (1) | CN205982700U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106094075A (en) * | 2016-07-28 | 2016-11-09 | 张家港康得新光电材料有限公司 | The light transmission regulation and control method of light turning film and light turning film |
-
2016
- 2016-07-28 CN CN201620806642.5U patent/CN205982700U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106094075A (en) * | 2016-07-28 | 2016-11-09 | 张家港康得新光电材料有限公司 | The light transmission regulation and control method of light turning film and light turning film |
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Effective date of registration: 20190121 Granted publication date: 20170222 |
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