CN104298063B - Transparent projection screens - Google Patents
Transparent projection screens Download PDFInfo
- Publication number
- CN104298063B CN104298063B CN201410574358.5A CN201410574358A CN104298063B CN 104298063 B CN104298063 B CN 104298063B CN 201410574358 A CN201410574358 A CN 201410574358A CN 104298063 B CN104298063 B CN 104298063B
- Authority
- CN
- China
- Prior art keywords
- diffusion
- refractive index
- focusing
- layer
- observer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/60—Projection screens characterised by the nature of the surface
- G03B21/62—Translucent screens
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/60—Projection screens characterised by the nature of the surface
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/60—Projection screens characterised by the nature of the surface
- G03B21/62—Translucent screens
- G03B21/625—Lenticular translucent screens
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
The invention discloses a kind of transparent projection screens, including substrate layer, including the first base material layer, combined with the lower surface of the first base material layer, focusing structure and diffusion structure is distributed with；Light from optical projection system is diffused into a viewing area in observer position by the position that the light focusing from optical projection system is located by focusing structure in observer, diffusion structure；Part reflective film structure is coated with focusing structure and diffusion structure, is combined with part reflective film body structure surface, be coated with refractive index matching layers, the refractive index of refractive index match layer material is consistent with the refractive index of diffusion structure material with focusing structure；Combined with refractive index match layer surface, be coated with the second substrate layer.The projection screen provided using the present invention, observer can see the projected image of high brightness and clearly object after screen simultaneously, and transparent effect is good, capacity usage ratio height.
Description
Technical field
The present invention relates to a kind of transparent projection screens, and in particular to one kind realizes high-gain Projection Display using micro-nano structure
Transparent projection screens.
Background technology
Projection screen common in the market includes：White modeling cloth projection screen, bead projection screen and silver pearl
Projection screen etc., this kind of screen is based on reflection and scattering principle, it is impossible to realize that transparent projection shows, and has that gain is low, signal to noise ratio
It is low and easy by deficiencies such as ambient light interferences.
A kind of transparent or translucent projection screen, this kind of screen energy while projection-display image are occurred in that in the recent period
Screen viewing screen object below is enough passed through, with the effect that magic is novel, is widely used.Publication No. WO 99/64902
Pct international patent in disclose a kind of multi-layer transparent projection display screen based on holographic optical elements (HOE), its holographic optics unit
Part naked eyes under conventional environment optical illumination are invisible, into pellucidity.When the projection light irradiation screen of special angle, screen shows
Show projected image, observer can see projected image and the object after screen simultaneously.Japanese DNP companies are using 4 layers of holographic knot
Structure devises a kind of transparent projection screens with similar effect.This kind of screen construction complexity cost of manufacture is high.Chinese invention is special
Sharp CN101030027A discloses a kind of projection screen with holographic cylindrical lens structure；Chinese invention patent CN101034252A
Disclose a kind of projection screen with image plane holographic structure；Chinese invention patent CN101030028A discloses a kind of diffraction projection
Screen；Chinese invention patent CN1811589A discloses a kind of projection screen based on hololenses.This kind of projection screen has one
Fixed transparency, but its display brightness is subject to the serious restriction of diffraction efficiency, and the efficiency of light energy utilization is low.Chinese invention patent
CN102354081A discloses a kind of transparent projection screens based on PDLC, and liquid crystal material high cost makes work
Skill is complicated.Chinese invention patent CN103246102A disclose a kind of trans strain Multifunctional liquid crystal dimming glass can be used for it is transparent
Projection Display, this screen need to adjust its transparency by applied voltage, be unfavorable for energy-conserving and environment-protective.
The content of the invention
Problem to be solved by this invention be overcome the shortcomings of prior art exist, there is provided a kind of zero energy consumption, simple structure,
The transparent projection display screen of high-gain, high-energy utilization rate.
To achieve the above object of the invention, the technical solution used in the present invention provides a kind of transparent projection screens, its structure
For：The upper surface and air contact of the first base material layer, the lower surface of the first base material layer are sequentially distributed focusing structure and diffusion structure；
, by the light focusing from optical projection system in observer position, the diffusion structure will be from projection system for the focusing structure
The light of system diffuses into a viewing area in observer position；Part reflective film is coated with described diffusion structure
Structure；Part reflective film body structure surface is coated with refractive index matching layers, and the refractive index of refractive index match layer material is tied with focusing on
Structure is consistent with the refractive index of diffusion structure material；One surface of the second substrate layer is covered on refractive index matching layers, the second base
Another surface of material layer and air contact；The homonymy of described optical projection system and observer position in projection screen.
Focusing structure of the present invention is V-groove structure, frequency conversion optical grating structure, the one kind in microprism array structure.
Each concrete structure is：The distribution of described V-groove structure, orientation, groove depth and groove width are consecutive variations, and its structural parameters meets will
Incident projection ray focuses on observer position；The distribution of described frequency conversion optical grating structure, orientation, frequency parameter meet
Incident projection ray is focused on into observer position；Described microprism array structure includes prism unit, prism list
The section of unit is right angled triangle, wherein a right-angle side is vertical with the plane that array is located, another right-angle side is located at array
In plane, the drift angle of prism unit is acute angle, and the angle of drift angle is met with the orientation of prism and focuses on the projection ray of incidence
Observer position.
Diffusion structure of the present invention is random phase structure, microlens array structure, in binary optical elements structure
One kind.Each concrete structure is：Embossment structure of the random phase structure for surface undulation, the shape of embossment structure, size
Highly it is random distribution, the diffusion of embossment structure includes diffusion angle distribution and Energy distribution, by the shape of embossment structure
Determine with average dimension, meet and a uniform viewing area is formed in observer position；Described microlens array structure
Diffusion include that diffusion angle distribution and Energy distribution are determined that by lenticular radius and bore shape satisfaction is in observer
Position forms a uniform viewing area；Described binary optical elements obtain corresponding by Design of Binary Optics method
Diffusion structure, meets and forms a uniform viewing area in observer position.
Reflective film structure in part of the present invention be dielectric-coating structure, the light that dielectric-coating structure is exported to optical projection system
Spectrum realizes that part is reflected, and transmission is realized to remaining visible spectrum, and the average reflectance of deielectric-coating knot is 5%～70%.Described
Part reflective film structure can also be metal film structures, and metal film structures are to visible spectrum realization part reflection, average reflection
Rate is 5%～70%.
Refractive index matching layers of the present invention be filled in by part reflectance coating, focusing structure and diffusion structure formed it is micro-
In structural void；The refractive index of refractive index match layer material is consistent with the refractive index of focusing structure and the material of diffusion structure.Light
Line is through focusing structure, diffusion structure, part reflectance coating, refractive index matching layers as through layer of transparent glass, do not occurred to converge
Poly- or Divergent Phenomenon.
The present invention a specific preferred version be：On the first base material layer and the surface of the second substrate layer and air contact
Antireflecting structure is provided with, the antireflecting structure is ordinary optical anti-reflection film or nano moth-eye anti-reflection structure.Institute
The first base material layer stated and the material of the second substrate layer are the sheet material of organic material, in the membrane material of organic material, glass material
It is a kind of.Organic material includes Merlon（PC）, polyethylene terephthalate（PET）Deng.
As above-mentioned technical proposal is used, the present invention has following advantages compared with prior art：
1. the present invention can realize high grade of transparency projection and high-brightness projection simultaneously.
2. the present invention can be such that luminous energy concentrates in viewing area, be obviously improved the efficiency of light energy utilization, energy-conserving and environment-protective.
3. transparent projection structure proposed by the present invention is easy to batch making, can effectively reduce the cost that transparent projection shows.
Description of the drawings
Fig. 1 is a kind of STOCHASTIC DIFFUSION transparent projection screens and its Projection Display structural representation that the embodiment of the present invention 1 is provided
Figure.
Fig. 2 is the visible spectrum transmittance graph of the part reflective film structure provided in embodiment 1.
Fig. 3 is that a kind of lenticule diffusion transparent projection screens that the embodiment of the present invention 2 is provided and its Projection Display structure are shown
It is intended to.
Fig. 4 is a kind of STOCHASTIC DIFFUSION transparent projection screens and its Projection Display structural representation of transmission increasing in embodiment 3.
Wherein：1st, transparent projection screens；2nd, the first base material layer；3rd, focusing structure；4th, diffusion structure；5th, part reflective film
Structure；6th, refractive index matching layers；7th, the second substrate layer；8th, scialyscope；9th, output light；10th, scattering light；11st, behind screen
Object；12nd, observer；13rd, screen center's normal；14th, anti-reflecting layer.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described.
Embodiment 1：
Referring to accompanying drawing 1, it is a kind of STOCHASTIC DIFFUSION transparent projection screens and its Projection Display structural representation in the present embodiment
Figure.
Transparent projection screens 1 are by the first base material layer 2, focusing structure 3, diffusion structure 4, part reflective film structure 5, refraction
Rate matching layer 6, the second substrate layer 7 are constituted.Focusing structure 3 is that prism structure is located at 2 lower surface of the first base material layer, diffusion structure 4
3 surface of focusing structure is located at for random phase structure, part reflective film structure 5 is plated in random phase structure for dielectric-coating structure
4 surfaces, refractive index matching layers 6 are filled between the second substrate layer 7 and part reflective film structure 5, its Refractive Index of Material and institute
State focusing structure consistent with the refractive index of diffusion structure material.
The projection of scialyscope 8 output light 9 is incident upon image in transparent projection screens 1, by part reflectance coating 5 in screen
Reflect to form scattering light 10, scattering light 10 is in 12 place orientation of observer（Relative to screen center's normal 13）Formed
Become clear uniform viewing area.Observer 12 can see projected image and the object 11 behind screen in viewing area simultaneously.
In the present embodiment, focusing structure 3 is microprism array structure, including prism unit, and the section of prism unit is right angle
Triangle, wherein a right-angle side is vertical with the plane that array is located, another right-angle side is located in array plane, prism unit
Drift angle be acute angle, the angle of drift angle is met with the orientation of prism and for incident projection ray to focus on observer position.
The orientation of the size of the drift angle of prism unit and prism and distribution are by the direction of projection ray, the orientation of observer, screen center
The direction of normal is determined by ray tracing.
The structure of the random phase structure in diffusion structure 4 in the present embodiment and distribution size, shape by viewing area
The distance between shape, observer and screen determine.Embossment structure of the random phase structure for surface undulation, the shape of embossment structure
Shape, dimensional height are random distribution, and the diffusion of embossment structure includes diffusion angle distribution and Energy distribution, by embossment structure
Shape and average dimension determine, meet and form a uniform viewing area in observer position；
In the present embodiment, the centre wavelength of the red, green, blue three coloured light of optical projection system output is respectively 630nm, 532nm,
450nm.Referring to accompanying drawing 2, it is the visible spectrum transmittance graph of the part reflective film structure designed in the present embodiment, part is anti-
Penetrate membrane structure and there is near the redgreenblue centre wavelength reflectance for being more than 90%, and in other spectrum of visible ray
In the range of absorbance be close to 100%.
The material of the first base material layer and the second substrate layer in the present embodiment is the Merlon that refractive index is 1.58（PC）,
The material of focusing structure 3 and diffusion structure 4 is the uv-curable glue that refractive index is 1.56, and the material of refractive index matching layers 6 is also
Refractive index is 1.56 uv-curable glue.
Embodiment 2：
Referring to accompanying drawing 3, it is a kind of lenticule diffusion transparent projection screens and its Projection Display structural representation in the present embodiment
Figure.
Transparent projection screens 1 are by the first base material layer 2, focusing structure 3, diffusion structure 4, part reflective film structure 5, refraction
Rate matching layer 6, the second substrate layer 7 are constituted.Focusing structure 3 is that V-groove structure is located at 2 lower surface of the first base material layer, diffusion structure 4
3 surface of focusing structure is located at for microlens array structure, part reflective film structure 5 is plated in microlens structure 4 for metallic film
Surface, refractive index matching layers 6 are filled between the second substrate layer 7 and part reflective film structure 5, its Refractive Index of Material with focus on
Structure is consistent with the refractive index of diffusion structure material.
The projection of scialyscope 8 output light 9 is incident upon image in transparent projection screens 1, by part reflectance coating in screen
5 reflect to form scattering light 10, and scattering light 10 is in 12 place orientation of observer（Relative to screen center's normal 13）Formed
Become clear uniform viewing area.Observer 12 can see projected image and the object 11 behind screen in viewing area simultaneously.
The orientation of the V-groove structure in the present embodiment in focusing structure 3, groove depth and groove width consecutive variations, parameter is by projecting
The direction of light, the orientation of observer, the direction of screen center's normal are determined by ray tracing.
Diffusion structure 4 in the present embodiment adopt microlens array structure, its diffusion include diffusion angle distribution and
Energy distribution, is determined by the distance between the size of viewing area, shape, observer and screen by lens unit bore, curvature.
In the present embodiment, optical projection system exports continuous visible spectrum light, and the part reflecting film structure of design is in the throwing
With 30% reflectance in the range of shadow system output spectrum.
The material of the first base material layer and the second substrate layer in the present embodiment is the Merlon that refractive index is 1.58（PC）,
The material of focusing structure 3 and diffusion structure 4 is the uv-curable glue that refractive index is 1.56, and the material of refractive index matching layers 6 is also
Refractive index is 1.56 uv-curable glue.
Embodiment 3：
Referring to accompanying drawing 4, it is a kind of STOCHASTIC DIFFUSION transparent projection screens and its Projection Display knot of transmission increasing in the present embodiment
Structure schematic diagram.
Transparent projection screens 1 are by the first base material layer 2, focusing structure 3, diffusion structure 4, part reflective film structure 5, refraction
Rate matching layer 6, the second substrate layer 7, anti-reflection structure 14 are constituted.The focusing structure 3 is that prism structure is located at the first base material layer 2
Lower surface, the diffusion structure 4 are that random phase structure is located at 3 surface of focusing structure, and the part reflective film structure 5 is Jie
Plasma structure is plated in 4 surface of random phase structure, and it is anti-with part that the refractive index matching layers 6 are filled in the second substrate layer 7
Penetrate between membrane structure 5, its Refractive Index of Material is consistent with the refractive index of diffusion structure material with the focusing structure, the anti-reflective
Penetrate lower surface of the structure positioned at the upper surface and the second substrate layer of the first base material layer.
The projection of scialyscope 8 output light 9 is incident upon image in transparent projection screens 1, by part reflectance coating 5 in screen
Reflect to form scattering light 10, scattering light 10 is in 12 place orientation of observer（Relative to screen center's normal 13）Formed
Become clear uniform viewing area.Observer 12 can see projected image and the object 11 behind screen in viewing area simultaneously.
The size of the drift angle of the prism unit in the present embodiment in focusing structure 3 is with the orientation of prism with distribution by projected light
The direction of line, the orientation of observer, the direction of screen center's normal are determined by ray tracing.Diffusion structure in the present embodiment
The distribution of the random phase structure in 4 is determined by the distance between the size of viewing area, shape, observer and screen.
In the present embodiment, the centre wavelength of the red, green, blue three coloured light of optical projection system output is respectively 630nm, 532nm,
450nm.The part reflecting film structure designed in the present embodiment has more than 90% near the redgreenblue centre wavelength
Reflectance, and the absorbance in other spectral regions of visible ray is close to 100%.
The material of the first base material layer and the second substrate layer in the present embodiment is the glass that refractive index is 1.52, focusing structure
3 is the uv-curable glue that refractive index is 1.51 with the material of diffusion structure 4, and the material of refractive index matching layers 6 also for refractive index is
1.51 uv-curable glue.
In the present embodiment, anti-reflection structure 14 is 100nm from the cycle, and highly the nano moth-eye antireflection for 200nm is tied
Structure, can significantly reduce the interference of surface reflection.Anti-reflection structure can also adopt monolayer or plural layers anti-reflection structure, drop
The interference of low light reflectivity.
Claims (6)
1. a kind of transparent projection screens, it is characterised in that its structure is：The first base material layer（2）Upper surface and air contact,
The lower surface of the first base material layer is sequentially distributed focusing structure（3）And diffusion structure（4）；The focusing structure will be from optical projection system
Light focusing in observer position, the light from optical projection system is expanded by the diffusion structure in observer position
Dissipate into a viewing area；Described diffusion structure is random phase structure, microlens array structure and binary optical elements knot
One kind in structure；Part reflective film structure is coated with described diffusion structure（5）；Part reflective film body structure surface is covered
There are refractive index matching layers（6）, refractive index and focusing structure and the refractive index one of diffusion structure material of refractive index match layer material
Cause；Second substrate layer（7）A surface be covered on refractive index matching layers, another surface and the air of the second substrate layer connect
Touch；The homonymy of described optical projection system and observer position in projection screen.
2. a kind of transparent projection screens according to claim 1, it is characterised in that：Described focusing structure is tied for V-groove
One kind in structure, frequency conversion optical grating structure and microprism array structure.
3. a kind of transparent projection screens according to claim 1, it is characterised in that：The random phase structure is risen for surface
The embossment structure of volt, the shape and/or dimensional height of embossment structure are random distribution, and the diffusion of embossment structure includes diffusion
Angular distribution and Energy distribution, are determined by the shape and average dimension of embossment structure, are met and are formed one in observer position
Individual uniform viewing area；The diffusion of described microlens array structure includes diffusion angle distribution and Energy distribution by micro-
The radius of mirror is determined with bore shape, meets and form a uniform viewing area in observer position；Described binary optical
Learn element and corresponding diffusion structure is obtained by Design of Binary Optics method, meet uniform in observer position formation one
Viewing area.
4. a kind of transparent projection screens according to claim 1, it is characterised in that：Described refractive index matching layers are filled in
In the micro structure space formed by part reflectance coating, focusing structure and diffusion structure.
5. a kind of transparent projection screens according to claim 1, it is characterised in that：The first base material layer and the second substrate layer with
The surface of air contact is provided with antireflecting structure, and the antireflecting structure is ordinary optical anti-reflection film or nano moth-eye
Anti-reflection structure.
6. a kind of transparent projection screens according to claim 1, it is characterised in that：Described the first base material layer and the second base
The material of material layer is the sheet material of organic material, the one kind in the membrane material and glass material of organic material；Described organic material is
Merlon or polyethylene terephthalate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410574358.5A CN104298063B (en) | 2014-10-24 | 2014-10-24 | Transparent projection screens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410574358.5A CN104298063B (en) | 2014-10-24 | 2014-10-24 | Transparent projection screens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104298063A CN104298063A (en) | 2015-01-21 |
| CN104298063B true CN104298063B (en) | 2017-03-29 |
Family
ID=52317851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410574358.5A Active CN104298063B (en) | 2014-10-24 | 2014-10-24 | Transparent projection screens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104298063B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3825765A4 (en) * | 2018-07-20 | 2022-04-20 | Dai Nippon Printing Co., Ltd. | Reflective screen and image display device |
| JP7395862B2 (en) | 2019-04-11 | 2023-12-12 | 大日本印刷株式会社 | Reflective screen, video display device |
Families Citing this family (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017032947A (en) * | 2015-08-06 | 2017-02-09 | 富士ゼロックス株式会社 | Holographic stereogram creation device and diffusion member |
| JP6642043B2 (en) * | 2016-01-27 | 2020-02-05 | 大日本印刷株式会社 | Reflective screen, video display |
| JP6593201B2 (en) * | 2016-01-29 | 2019-10-23 | 大日本印刷株式会社 | Screen, video display device |
| CN107102509B (en) * | 2016-02-19 | 2020-05-26 | 台湾扬昕股份有限公司 | Projection screen |
| JP2017156452A (en) * | 2016-02-29 | 2017-09-07 | 大日本印刷株式会社 | Reflective screen and image display device |
| JP6606604B2 (en) * | 2016-05-24 | 2019-11-13 | 富士フイルム株式会社 | Transparent film, transparent screen and image display system, and transparent poster |
| JP6717051B2 (en) * | 2016-05-24 | 2020-07-01 | 大日本印刷株式会社 | Screen, video display |
| JP6717052B2 (en) * | 2016-05-24 | 2020-07-01 | 大日本印刷株式会社 | Reflective screen, video display |
| JP6938872B2 (en) * | 2016-09-06 | 2021-09-22 | 大日本印刷株式会社 | Video display device |
| JP6790616B2 (en) * | 2016-09-06 | 2020-11-25 | 大日本印刷株式会社 | Reflective screen, video display device |
| JP6874322B2 (en) * | 2016-10-14 | 2021-05-19 | 大日本印刷株式会社 | Reflective screen, video display device |
| JP6988069B2 (en) * | 2016-11-09 | 2022-01-05 | 大日本印刷株式会社 | Reflective screen, video display device |
| JP6988070B2 (en) * | 2016-11-16 | 2022-01-05 | 大日本印刷株式会社 | Video display device |
| CN106405699A (en) * | 2016-11-18 | 2017-02-15 | 四川长虹电器股份有限公司 | Directional light reflection element, tapered roller and projection screen |
| JP6812761B2 (en) * | 2016-11-18 | 2021-01-13 | 大日本印刷株式会社 | Reflective screen, video display device |
| JP6852414B2 (en) * | 2017-01-23 | 2021-03-31 | 大日本印刷株式会社 | Screen, video display device |
| JP6953728B2 (en) * | 2017-01-30 | 2021-10-27 | 大日本印刷株式会社 | Screen, video display device |
| JP6848501B2 (en) * | 2017-02-14 | 2021-03-24 | 大日本印刷株式会社 | Reflective screen, video display device |
| JP6888331B2 (en) * | 2017-03-02 | 2021-06-16 | 大日本印刷株式会社 | Reflective screen, video display device |
| JP2018163307A (en) * | 2017-03-27 | 2018-10-18 | ソニー株式会社 | Image display device and image display element |
| JP7043095B2 (en) * | 2017-04-23 | 2022-03-29 | シェンジェン フォトニック クリスタル テクノロジー カンパニー リミテッド | Optical device with phase modulation layer and phase compensation layer |
| JP2019066832A (en) * | 2017-10-02 | 2019-04-25 | Ａｇｃ株式会社 | Picture projection structure and transparent screen |
| CN111556983B (en) * | 2017-12-20 | 2021-11-16 | Ａｇｃ株式会社 | Transparent screen, image projection laminated plate and image display system |
| CN109960101A (en) * | 2017-12-25 | 2019-07-02 | 冯超 | A kind of high definition screen |
| CN110297386B (en) * | 2018-03-22 | 2022-03-25 | 深圳光峰科技股份有限公司 | Curved screen, microstructure setting method thereof and projection system |
| CN110647004A (en) * | 2018-06-11 | 2020-01-03 | 法国圣戈班玻璃公司 | Projection screen, window and projection system for vehicle |
| US11695904B2 (en) | 2018-07-20 | 2023-07-04 | Dai Nippon Printing Co., Ltd. | Reflective screen and image display device |
| CN113167933B (en) * | 2018-11-26 | 2023-07-14 | Ａｇｃ株式会社 | Reflective transparent screen and image display system |
| JP2020064319A (en) * | 2019-12-26 | 2020-04-23 | 大日本印刷株式会社 | Reflective screen and image display device |
| CN113325660A (en) * | 2020-02-28 | 2021-08-31 | 深圳光峰科技股份有限公司 | Transparent projection screen and method of manufacturing the same |
| CN211718685U (en) * | 2020-03-04 | 2020-10-20 | 深圳光峰科技股份有限公司 | Transparent rear projection screen and projection system |
| JP7111128B2 (en) * | 2020-06-09 | 2022-08-02 | 大日本印刷株式会社 | Video display device |
| JP7231093B2 (en) * | 2020-07-08 | 2023-03-01 | 大日本印刷株式会社 | Video display device |
| JP7070613B2 (en) * | 2020-07-08 | 2022-05-18 | 大日本印刷株式会社 | Video display device |
| CN112859505A (en) * | 2021-03-12 | 2021-05-28 | 江苏集萃智能液晶科技有限公司 | High-definition transparent projection film, preparation method and projection system using high-definition transparent projection film |
| CN113641076A (en) * | 2021-10-18 | 2021-11-12 | 成都菲斯特科技有限公司 | Projection screen and projection system |
| JP7201115B1 (en) * | 2022-03-25 | 2023-01-10 | 大日本印刷株式会社 | Reflective screen, image display device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5903392A (en) * | 1997-05-19 | 1999-05-11 | Dai Nippon Printing Co., Ltd. | Reflecting screen |
| CN1771462A (en) * | 2003-05-26 | 2006-05-10 | 夏普株式会社 | Reflection type screen |
| CN102213907A (en) * | 2010-04-09 | 2011-10-12 | 精工爱普生株式会社 | Reflection-type screen, projection system, front projection television system, and reflection-type screen manufacturing method |
| CN104076589A (en) * | 2014-07-21 | 2014-10-01 | 成都菲斯特科技有限公司 | Positive projection optical screen projection system short in projection distance |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4737226B2 (en) * | 2001-05-14 | 2011-07-27 | 大日本印刷株式会社 | Light diffusion sheet and projection screen |
| JP2006139142A (en) * | 2004-11-12 | 2006-06-01 | Arisawa Mfg Co Ltd | Transmission type screen |
| JP2014182335A (en) * | 2013-03-21 | 2014-09-29 | Dainippon Printing Co Ltd | On-vehicle curved surface screen member with adhesive layer, on-vehicle curved surface screen and on-vehicle display device |
-
2014
- 2014-10-24 CN CN201410574358.5A patent/CN104298063B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5903392A (en) * | 1997-05-19 | 1999-05-11 | Dai Nippon Printing Co., Ltd. | Reflecting screen |
| CN1771462A (en) * | 2003-05-26 | 2006-05-10 | 夏普株式会社 | Reflection type screen |
| CN102213907A (en) * | 2010-04-09 | 2011-10-12 | 精工爱普生株式会社 | Reflection-type screen, projection system, front projection television system, and reflection-type screen manufacturing method |
| CN104076589A (en) * | 2014-07-21 | 2014-10-01 | 成都菲斯特科技有限公司 | Positive projection optical screen projection system short in projection distance |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3825765A4 (en) * | 2018-07-20 | 2022-04-20 | Dai Nippon Printing Co., Ltd. | Reflective screen and image display device |
| JP7395862B2 (en) | 2019-04-11 | 2023-12-12 | 大日本印刷株式会社 | Reflective screen, video display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104298063A (en) | 2015-01-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104298063B (en) | Transparent projection screens | |
| TWI794456B (en) | optical device | |
| CN207216263U (en) | It is totally reflected screen and optical projection system | |
| CN104076589A (en) | Positive projection optical screen projection system short in projection distance | |
| CN103403592A (en) | Light capturing sheet and rod, and light receiving device and light emitting device using same | |
| TW201250298A (en) | Optical sheet and method for manufacturing the same and liquid crystal display device using the same | |
| WO2023045409A1 (en) | Metasurface for increasing light extraction efficiency of light-emitting diode | |
| CN110850674A (en) | Projection screen and projection system | |
| JP2017111429A (en) | Screen and image display system | |
| WO2021169597A1 (en) | Transparent projection screen, and manufacturing method for same | |
| CN204009335U (en) | The optical projection system of a kind of short projection distance forward projection optical screen | |
| CN102637752B (en) | Thin-film solar cell | |
| JP2024502851A (en) | projection screen | |
| CN112306227A (en) | Imaging device and imaging control system | |
| TW201918784A (en) | Long focal length anti ambient light curtain comprising an optical prism structure and optical coatings | |
| CN204086694U (en) | Built-in type miniature projecting optical engine | |
| JP2014036130A (en) | Organic solar cell module | |
| CN202631769U (en) | Optical film with brightening and diffusion functions | |
| TWI840347B (en) | Optical device | |
| CN201654437U (en) | Rear projection screen | |
| GB2548752A (en) | Light guide plate, backlight module, and liquid crystal device | |
| CN217279253U (en) | Projection screen | |
| KR102671603B1 (en) | optical device | |
| CN212781594U (en) | Backlight source and backlight module | |
| CN102033406A (en) | High gain screen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |