CN206773230U - Composite film-stuck, asymmetric combining glass and transparent rear projection screen - Google Patents
Composite film-stuck, asymmetric combining glass and transparent rear projection screen Download PDFInfo
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- CN206773230U CN206773230U CN201720583346.8U CN201720583346U CN206773230U CN 206773230 U CN206773230 U CN 206773230U CN 201720583346 U CN201720583346 U CN 201720583346U CN 206773230 U CN206773230 U CN 206773230U
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Abstract
The utility model discloses a kind of composite film-stuck, the composite film-stuck includes scattering polarizing layer and the absorption polarizing layer being bonded with scattering polarizing layer, and scattering polarizing layer includes the first triacetate fiber film layer, polyvinyl alcohol doped liquid crystal film layer and the second triacetate fiber film layer being cascading.The utility model also provides a kind of asymmetric combining glass, including glass Slab element and composite film-stuck as described above, and the scattering polarizing layer is between absorption polarizing layer and glass Slab element.In addition, the utility model also provides a kind of transparent rear projection screen, including composite film-stuck as described above.Composite film-stuck of the present utility model has asymmetric visual effect, can be applied to Indoor environment partition decorative and transparent rear projection screen field.
Description
Technical field
Optical functional film technical field is the utility model is related to, more particularly to a kind of composite film-stuck, asymmetric perspective glass
Glass and transparent rear projection screen.
Background technology
Currently, the glass applied to indoor partition, generally there is identical visual effect from the both sides of glass, with
People to live and the requirement of working environment also more and more higher, this glass have been difficult to meet the needs of people.It is existing unidirectional
Combining glass is plating half-reflecting mirror technology, and application scenario is the environment in two rooms of light and dark to be had, and is examined suitable for public security bureau
Interrogate the special occasions such as room.In addition, transparent projection screen, can either make spectators see the scenery after screen, and can makes spectators see screen
Image on curtain, spectators are made to feel the magic effect for having every hovering thing.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is that providing a kind of scattering absorbs the compound patch of polarisation
Film, asymmetric combining glass and transparent rear projection screen, the composite film-stuck can be applied to the indoor partition of building and the transparent back of the body
Projection screen field.
The utility model is realized using following technical scheme：
A kind of composite film-stuck, including polarizing layer and the absorption polarizing layer being bonded with scattering polarizing layer are scattered, the scattering is inclined
Photosphere includes the first triacetate fiber film layer, polyvinyl alcohol doped liquid crystal film layer and the second triacetate fiber being cascading
Film layer.
Preferably, the composite film-stuck also includes pressure-sensitive adhesive layer, the scattering polarizing layer located at the pressure-sensitive adhesive layer with it is described
Between absorption polarizing layer.
Preferably, the composite film-stuck also includes the first protection film layer and the second protection film layer, first protection film layer, pressure
Quick glue-line, scattering polarizing layer, absorption polarizing layer and the second protection film layer are cascading.
Preferably, the scattering polarizing layer also includes the first glue-line, and the first triacetate fiber film layer passes through described the
One glue-line is bonded with polyvinyl alcohol doped liquid crystal film layer.
Preferably, the scattering polarizing layer also includes the second glue-line, and the second triacetate fiber film layer passes through described the
Two glue-lines are bonded with polyvinyl alcohol doped liquid crystal film layer.
Preferably, the composite film-stuck also includes the 3rd glue-line, the scattering polarizing layer by the 3rd glue-line with it is described
Absorb polarizing layer fitting.
Preferably, the thickness of the diffusion sheet polarizing layer is 0.05-0.2mm.
Preferably, the thickness of the composite film-stuck is 0.1-0.35mm, light transmittance 30%-50%, degree of polarization 90%-
99%。
The utility model also provides a kind of asymmetric combining glass, including glass Slab element and compound patch as described above
Film, the scattering polarizing layer is between the absorption polarizing layer and the glass Slab element.
The utility model also provides a kind of transparent rear projection screen, including composite film-stuck as described above.
Compared with prior art, the beneficial effects of the utility model are：
The composite film-stuck that the utility model embodiment provides includes scattering polarizing layer and the absorption being bonded with scattering polarizing layer
Polarizing layer, the scattering polarizing layer include the first triacetate fiber film layer, the polyvinyl alcohol doped liquid crystal film being cascading
Layer and the second triacetate fiber film layer.When light incidence, because scattering polarizing layer has light transmission shaft, half light transmission, a semi-gloss
Scattering；Polarizing layer half light transmission is absorbed, half light absorbs, will absorb polarizing layer and scattering polarizing layer light transmission shaft is abreast compound
The composite film-stuck to be formed that gets up has asymmetrical visual effect, is the compound patch of semi-transparent clear from scattering polarizing layer unilateral observation
Film, it is then dark translucent composite film-stuck from polarizing layer unilateral observation is absorbed.When the composite film-stuck and glass Slab element it is compound should
During indoor partition for building, scattering polarizing layer is between the absorption polarizing layer and the glass Slab element, scattering
Polarizing layer absorbs polarizing layer towards outside office towards office, from office outwards from be more clear translucent effect, and from
It is then semi-transparent semi-absorbing effect to be observed outside office to intra-office, has asymmetrical visual effect.When this is compound
When pad pasting is used as transparent rear projection screen, scattering polarisation is laminated towards projector.Scattering polarizing layer is used as transparent rear projection screen, by
More in preceding scattering composition, back scattering composition is few, so being suitable as transparent rear projection screen.The utility model is scattering polarizing layer and suction
Receive polarizing layer to be combined to together, back projection image is apparent, solves the transparent sex chromosome mosaicism of screen higher light transmittance, and projection is clear
Bright, uniformity height.
Secondly as the scattering polarizing layer is provided with pressure-sensitive adhesive layer away from the side of the absorption polarizing layer, it is compound at this
When pad pasting is applied to glass or transparent rear projection screen, process flow for assembling and technique number are effectively simplified, not only increases group
Efficiency is filled, and reduces production cost.
In addition, the utility model embodiment also provides a kind of method for manufacturing composite film-stuck, this method is produced compound
Pad pasting has asymmetrical visual effect, is semi-transparent clear composite film-stuck from scattering polarizing layer unilateral observation, from absorption polarisation
Layer unilateral observation is then dark translucent composite film-stuck.When the composite film-stuck and glass Slab element Application of composite are in the room of building
During interior cut-off, scattering polarizing layer between the absorption polarizing layer and the glass Slab element, scattering polarizing layer towards office,
Absorb polarizing layer towards outside office, from office outwards from be more clear translucent effect, and to doing outside office
Public chamber interior observation is then semi-transparent semi-absorbing effect, has asymmetrical visual effect.When the composite film-stuck is used as the transparent back of the body
During projection screen, scattering polarisation is laminated towards projector, solves the transparent sex chromosome mosaicism of screen higher light transmittance, projects clear bright
It is bright, uniformity is high.
Brief description of the drawings
Fig. 1 is the schematic diagram for the composite film-stuck that the embodiment of the utility model one provides；
Fig. 2 is the schematic diagram of the scattering polarizing layer of composite film-stuck in Fig. 1.
Drawing reference numeral explanation：
1st, polarizing layer is scattered；11st, the first triacetate fiber film layer；12nd, polyvinyl alcohol doped liquid crystal film layer；13rd, the 2nd 3
Acetate fiber film layer；14th, the first glue-line；15th, the second glue-line；2nd, polarizing layer is absorbed；3rd, pressure-sensitive adhesive layer；4th, the first diaphragm；5、
Second diaphragm；6th, the 3rd glue-line；7th, liquid crystal droplet.
Embodiment
Below, with reference to accompanying drawing and embodiment, the utility model is described further：
As shown in Figure 1 to Figure 2, the utility model embodiment proposes a kind of composite film-stuck, including scattering polarizing layer 1 and with dissipating
Penetrate polarizing layer 1 fitting absorption polarizing layer 2, scattering polarizing layer 1 include be cascading the first triacetate fiber film layer 11,
Polyvinyl alcohol doped liquid crystal film layer 12 and the second triacetate fiber film layer 13.
The composite film-stuck that above-mentioned technical proposal provides, when light incidence, because scattering polarizing layer 1 has light transmission shaft, half
Light transmission, half light scattering；The half light transmission of polarizing layer 2, half light absorbs are absorbed, thus polarizing layer 2 will be absorbed and scattered inclined
The composite film-stuck that photosphere 1 is compounded to form has asymmetrical visual effect, is semi-transparent clear from the scattering unilateral observation of polarizing layer 1
Composite film-stuck, it is then dark translucent composite film-stuck from the unilateral observation of polarizing layer 2 is absorbed.When the composite film-stuck and glass Slab element
Application of composite when the indoor partition of building, scattering polarizing layer 1 located at it is described absorption polarizing layer 2 and the glass Slab element it
Between, scattering polarizing layer absorbs polarizing layer towards outside office towards office, from office outwards from be relatively clear semi-transparent obvious results
Fruit, and from being then semi-transparent semi-absorbing effect to from intra-office outside office, there is asymmetrical visual effect.When
When the composite film-stuck is used as transparent rear projection screen, it is higher to solve transparent rear projection screen facing to projector for scattering polarizing layer 1 one
The transparent sex chromosome mosaicism of light transmittance, project clear bright, uniformity height.
Preferably, the composite film-stuck also includes pressure-sensitive adhesive layer 3, and scattering polarizing layer 3 is located at pressure-sensitive adhesive layer 3 with absorbing polarizing layer
Between 2.When the composite film-stuck is applied to glass or transparent rear projection screen, this structure be effectively simplified process flow for assembling and
Technique number, packaging efficiency is not only increased, and reduce production cost.
It should be understood that the thickness of scattering polarizing layer 1 is 0.05-0.2mm, it is that polyvinyl alcohol contaminates iodine to absorb polarizing layer 2
Stretched film compound Triafol T protection membrane product, the thickness for absorbing polarizing layer 2 are 0.05-0.15mm, the thickness of composite film-stuck
Degree（Thickness without the first diaphragm 4 and the second diaphragm 5）For 0.1-0.35mm, the light transmittance of composite film-stuck is 30%-50%,
The degree of polarization of composite film-stuck is 90%-99%.Preferably, the thickness for scattering polarizing layer 1 is 0.1-0.2mm, scatters the saturating of polarizing layer 1
Light rate is 30%-55%, and the degree of polarization of scattering polarizing layer 1 is 50%-80%；The thickness for absorbing polarizing layer 2 is 0.05-0.1mm, is absorbed
The light transmittance of polarizing layer 2 is 43%, and the degree of polarization for absorbing polarizing layer 2 is 99%；The thickness of composite film-stuck（Without the first diaphragm 4
With the thickness of the second diaphragm 5）For 0.15-0.3mm, the light transmittance of composite film-stuck is 35%, and the degree of polarization of composite film-stuck is 99%.
From the above it can be seen that the composite film-stuck after scattering polarizing layer 1 and absorption polarizing layer 2 are compound, its light transmittance has taken scattering polarizing layer 1 and inhaled
The lower value of polarizing layer 2 is received, its degree of polarization has taken scattering polarizing layer 1 and absorbed the high value of polarizing layer 2.
Preferably, the composite film-stuck also includes the first protection film layer 4 and the second protection film layer 5, the first protection film layer 4, pressure
Quick glue-line 3, scattering polarizing layer 1, the absorption protection film layer 5 of polarizing layer 2 and second are cascading, and composite film-stuck is in storage, fortune
During defeated or before use, the setting of the first protection film layer 4 and the second protection film layer 5 can avoid pressure-sensitive adhesive layer 3 and absorb inclined
Photosphere 2 is influenceed the outward appearance and performance of composite film-stuck by impurity or dirt contamination.It should be understood that the first protection film layer
4 and second protection film layer 5 be stripping film layer, when needing to use composite film-stuck, by the first protection film layer 4 and the second diaphragm
Layer 5 is peeled off.
Preferably, scattering polarizing layer 1 also includes the first glue-line 14 and the second glue-line 15, and the composite film-stuck also includes the 3rd
Glue-line 6, the first triacetate fiber film layer 11 are bonded by the first glue-line 14 with polyvinyl alcohol doped liquid crystal film layer 12, the two or three vinegar
Sour fiber film layer 13 is bonded by the second glue-line 15 with polyvinyl alcohol doped liquid crystal film layer 12, and scattering polarizing layer 1 passes through the 3rd glue
Layer 6 is bonded with absorbing polarizing layer 2.First glue-line 14, the second glue-line 15 and the 3rd glue-line 6 are heat cure glue-line, heat-curable glue
Layer can be polyurethane, epoxy glue layer, acrylic type resin or glue-line made of organic silicon rubber.
The utility model also provides a kind of method for manufacturing composite film-stuck, comprises the following steps：
S01：Poly-vinyl alcohol solution is prepared, including following components by weight percent：1 part of polyvinyl alcohol, water 6-9 parts, heating temperature
95 DEG C of degree, heat time 24h.
S02：Liquid crystal 6 is added in poly-vinyl alcohol solution, polyvinyl alcohol doping is made up to being well mixed in stirring 20min
Liquid crystal latex, including following components by weight percent：1 part of liquid crystal, poly-vinyl alcohol solution 9-15 parts, latex is stood into 48h defoamings and treated
With.Liquid crystal is manufacture PDLC（PDLC）The big birefringence difference nematic liquid crystal of electric-controlled light-regulating film, its refractive index no
For 1.5, neFor 1.7, polyvinyl alcohol is high alcoholysis degree（More than 99%）, high polymerization degree（More than 3000）Suitable manufacture absorb it is inclined
The raw material of mating plate, polyvinyl alcohol film refractive index npFor 1.5.
S03：Polyvinyl alcohol doped liquid crystal casting films are made in polyvinyl alcohol doped liquid crystal latex.
Specifically, polyvinyl alcohol doped liquid crystal latex is made on the wide heating stainless steel band drum-type casting machines of 120cm
Polyvinyl alcohol doped liquid crystal casting films, the wherein heating-up temperature of casting machine are 90 DEG C, the width of polyvinyl alcohol doped liquid crystal casting films
Spend for 120cm, the thickness about 60um of polyvinyl alcohol doped liquid crystal casting films, the outward appearance of polyvinyl alcohol doped liquid crystal casting films is in breast
White sprayed film.
S04：Polyvinyl alcohol doped liquid crystal is cast film stretching, polyvinyl alcohol doped liquid crystal scattering polarisation film layer 12 is made.
Specifically, polyvinyl alcohol doped liquid crystal is cast into film stretching on multiple roll heating stretching-machine, winding, polyethylene is made
Alcohol doped liquid crystal scattering polarisation film layer 12, stretching-machine heating-up temperature is 80 DEG C, 4 times of draw ratio, polyvinyl alcohol doped liquid crystal film
The width of layer 12 is 60cm, the thickness about 30um of polyvinyl alcohol doped liquid crystal film layer 12, polyvinyl alcohol doped liquid crystal film layer 12
Outward appearance is translucent light sprayed film.
S05：First face of polyvinyl alcohol doped liquid crystal film layer 12 is bonded the first three cellulose acetate membrane layer 11, in poly- second
Second face of enol doped liquid crystal film layer 12 is bonded the second three cellulose acetate membrane layer 13, and Triafol T layer is made and presss from both sides poly- second
Enol doped liquid crystal scatters polarizing layer 1.The thickness for scattering polarizing layer 1 is 0.1-0.2mm.
Specifically, by the first glue-line of coated on one side 14 of polyvinyl alcohol doped liquid crystal film layer 12, by the one or three acetic acid
Fiber film layer 11 is bonded by the first glue-line 14 with polyvinyl alcohol doped liquid crystal film layer 12.By polyvinyl alcohol doped liquid crystal film layer
12 the second face is coated with the second glue-line 15, and the second triacetate fiber film layer 13 is adulterated into liquid with polyvinyl alcohol by the second glue-line 15
Hyaline layer 12 is bonded.To being compounded with the poly- of the first triacetate fiber film layer 11 and the second triacetate fiber film layer 13 in solidification case
Vinyl alcohol doped liquid crystal film layer 12 is solidified so that the first glue-line 14 and the second glue-line 15 solidify, and wherein solidification temperature is 80
DEG C, hardening time 20min, winding, that is, scattering polarizing layer 1 is made.
S06：Polarizing layer 1 will be scattered and absorption polarizing layer 2 is compound, composite film-stuck is made.
Specifically, in scattering polarizing layer 1 close to the side for absorbing polarizing layer 2 or the side coating the 3rd for absorbing polarizing layer 2
Glue-line 6, it is on one side compounding machine, scattering polarizing layer 1 is compound with absorbing polarizing layer 2 by the 3rd glue-line 6, compound patch is made
Film.The thickness for wherein absorbing polarizing layer 2 is 60um, and the thickness of composite film-stuck is 0.2mm.Absorbed partially in solidification case to being compounded with
The scattering polarizing layer 1 of photosphere 2 is solidified so that the 3rd glue-line 6 solidifies, and wherein solidification temperature is 80 DEG C, and hardening time is
20min, that is, scattering is made and absorbs polarisation composite film-stuck.
Preferably, for simplified assembling process flow and technique number, packaging efficiency is improved, reduces production cost, is being dissipated
Polarizing layer 1 is penetrated away from the side pressure-sensitive adhesive coating layer 3 for absorbing polarizing layer 2.
Further, in order that composite film-stuck is in storage, transportation or before use, avoids pressure-sensitive adhesive layer 3 and absorbs
Polarizing layer 2 is influenceed the outward appearance and performance of composite film-stuck by impurity or dirt contamination, inclined away from scattering in pressure-sensitive adhesive layer 3
Compound first protection film layer 4 in side of photosphere 1, absorbing side compound second diaphragm of the polarizing layer 2 away from scattering polarizing layer 1
Layer 5.It should be understood that the first protection film layer 4 and the second protection film layer 5 are stripping film layer.In the utility model embodiment,
Preferably, the first protection film layer 4 is PET mould release membrances or release liners, and the second protection film layer 5 is PE mould release membrances, absorbs polarizing layer 2 and carries on the back
The discrete side for penetrating polarizing layer 1 can not only so be distinguished scattering polarizing layer 1 and be absorbed by the compound PE mould release membrances of Electrostatic Absorption
Polarizing layer 2, and the cost of raw material is reduced again.
The composite film-stuck that the method that above-described embodiment provides is produced, due to the liquid crystal of polyvinyl alcohol doped liquid crystal casting films
Be dispersed in the form of the droplet of micro-meter scale size in polyvinyl alcohol film layer, it is stretched make spherical liquid crystal droplet be deformed into length it is ellipse
Spherical shape, and then liquid crystal molecule is orientated along draw direction, liquid crystal droplet performance turns into optical anisotropy crystal.Along stretching side
To, liquid crystal droplet refractive index and polyvinyl alcohol film refractive index are unequal, cause light scattering, and perpendicular to the direction of stretching,
Liquid crystal droplet refractive index is equal with polyvinyl alcohol refractive index, causes light transmission.When light incidence, because scattering polarizing layer has thoroughly
Optical axis, half light transmission, half light scattering；Polarizing layer half light transmission is absorbed, half light absorbs, polarizing layer and scattering will be absorbed
Polarizing layer light transmission shaft abreast combine the composite film-stuck to be formed with asymmetrical visual effect with asymmetrical vision
Effect, it is semi-transparent clear composite film-stuck from the scattering unilateral observation of polarizing layer 1, is then dark from the unilateral observation of polarizing layer 2 is absorbed
Translucent composite film-stuck.When the composite film-stuck and glass Slab element Application of composite are in the indoor partition of building, polarisation is scattered
For layer 1 between the absorption polarizing layer 2 and the glass Slab element, scattering polarizing layer absorbs polarizing layer towards doing towards office
It is public outdoor, from office outwards from be more clear translucent effect, and from outside office to from intra-office then
It is semi-transparent semi-absorbing effect, there is asymmetrical visual effect.When the composite film-stuck is used as transparent rear projection screen, scattering is inclined
Photosphere 1 one solves the transparent sex chromosome mosaicism of rear projection screen higher light transmittance, projects clear bright, uniformity facing to projector
It is high.The utility model composite film-stuck is transparent rear projection screen new technology, especially if projector is polarization light projector（Such as
Monolithic liquid crystal over silicon LCOS）, scattering absorption composite film-stuck screen light transmission shaft is orthogonal with projection light polarization direction, then projected light is complete
Scattering, waste is not transmitted, projection light utilization efficiency is high, and imaging is brighter apparent.
The utility model embodiment also provides a kind of asymmetric combining glass, including glass Slab element and compound patch as above
Film, scattering polarizing layer 1 is between absorption polarizing layer 2 and glass Slab element.Composite film-stuck is applicable as top grade decoration new material
In the decoration of the glass plate cell partition in the buildings such as airport, station, market, museum, office building, family, composite film-stuck with
Glass Slab element complex group in same brightness of illumination environment, gives different visual effects, example into asymmetric combining glass
Such as in the semi-open working environment in market, scattering polarizing layer 1 faces office, absorbs polarizing layer 2 and faces public market flowing
Customer area, it is translucent effect to be looked out from office, and indoor occupant can compare the environment for being clearly observed outdoor；And care for
Passenger origin office looks in direction, then is semi-transparent semi-absorbing effect, has asymmetrical visual effect.
The utility model embodiment also provides a kind of transparent rear projection screen, including composite film-stuck as above.Will be above-mentioned compound
For attachment film on the French glass of meeting room, scattering polarizing layer 1 one forms transparent rear projection screen facing to projector.
Specifically, using monolithic liquid crystal over silicon projector, it is assumed that projected light is horizontally oriented polarization, will be multiple when the composite film-stuck is constructed
The light transmission shaft for closing pad pasting is fixed on vertical direction, and the transmission loss on rear projection screen of such projected light is few, and imaging efficiency is high, brightness
Greatly, and it is that back scattering absorbs, so transparent back projection effect is good.Using common natural light projector, the composite film-stuck also can
It is existing clearly transparent, there is preferable back projection imaging again.Thus, the transparent rear projection screen, which solves, has ensured the transparent back of the body
The transparent sex chromosome mosaicism of projection screen higher light transmittance, project clear bright, uniformity height.
It will be apparent to those skilled in the art that technical scheme that can be as described above and design, make other various
Corresponding change and deformation, and all these changes and deformation should all belong to the protection of the utility model claims
Within the scope of.
Claims (10)
1. a kind of composite film-stuck, it is characterised in that the absorption polarizing layer being bonded including scattering polarizing layer and with scattering polarizing layer, institute
State the first triacetate fiber film layer, polyvinyl alcohol doped liquid crystal film layer and the two or three that scattering polarizing layer includes being cascading
Acetate fiber film layer.
2. composite film-stuck as claimed in claim 1, it is characterised in that be also located at including pressure-sensitive adhesive layer, the scattering polarizing layer
Between the pressure-sensitive adhesive layer and the absorption polarizing layer.
3. composite film-stuck as claimed in claim 2, it is characterised in that also including the first protection film layer and the second protection film layer,
First protection film layer, pressure-sensitive adhesive layer, scattering polarizing layer, absorption polarizing layer and the second protection film layer are cascading.
4. composite film-stuck as claimed in claim 1, it is characterised in that the scattering polarizing layer also includes the first glue-line, described
First triacetate fiber film layer is bonded by first glue-line with polyvinyl alcohol doped liquid crystal film layer.
5. composite film-stuck as claimed in claim 1, it is characterised in that the scattering polarizing layer also includes the second glue-line, described
Second triacetate fiber film layer is bonded by second glue-line with polyvinyl alcohol doped liquid crystal film layer.
6. the composite film-stuck as described in claim 1-5 is any, it is characterised in that also including the 3rd glue-line, the scattering polarisation
Layer is bonded by the 3rd glue-line with the absorption polarizing layer.
7. composite film-stuck as claimed in claim 6, it is characterised in that the thickness of the diffusion sheet polarizing layer is 0.05-
0.2mm。
8. composite film-stuck as claimed in claim 6, it is characterised in that the thickness of the composite film-stuck is 0.1-0.35mm, thoroughly
Light rate is 30%-50%, degree of polarization 90%-99%.
A kind of 9. asymmetric combining glass, it is characterised in that answering including glass Slab element and as described in claim 1-8 is any
Pad pasting is closed, the scattering polarizing layer is between the absorption polarizing layer and the glass Slab element.
10. a kind of transparent rear projection screen, it is characterised in that including the composite film-stuck as described in claim 1-8 is any.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720583346.8U CN206773230U (en) | 2017-05-24 | 2017-05-24 | Composite film-stuck, asymmetric combining glass and transparent rear projection screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720583346.8U CN206773230U (en) | 2017-05-24 | 2017-05-24 | Composite film-stuck, asymmetric combining glass and transparent rear projection screen |
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| Publication Number | Publication Date |
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| CN206773230U true CN206773230U (en) | 2017-12-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107024731A (en) * | 2017-05-24 | 2017-08-08 | 深圳市三利谱光电科技股份有限公司 | Composite film-stuck, manufacture method, asymmetric combining glass and transparent rear projection screen |
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2017
- 2017-05-24 CN CN201720583346.8U patent/CN206773230U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107024731A (en) * | 2017-05-24 | 2017-08-08 | 深圳市三利谱光电科技股份有限公司 | Composite film-stuck, manufacture method, asymmetric combining glass and transparent rear projection screen |
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