EA028214B1 - Сохраняющий поляризацию проекционный экран, содержащий отдельно разработанный пигмент, и способ его изготовления - Google Patents
Сохраняющий поляризацию проекционный экран, содержащий отдельно разработанный пигмент, и способ его изготовления Download PDFInfo
- Publication number
- EA028214B1 EA028214B1 EA201200941A EA201200941A EA028214B1 EA 028214 B1 EA028214 B1 EA 028214B1 EA 201200941 A EA201200941 A EA 201200941A EA 201200941 A EA201200941 A EA 201200941A EA 028214 B1 EA028214 B1 EA 028214B1
- Authority
- EA
- Eurasian Patent Office
- Prior art keywords
- coating
- particles
- projection screen
- substrate
- scattering
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 69
- 230000010287 polarization Effects 0.000 title claims abstract description 23
- 239000000049 pigment Substances 0.000 title claims description 35
- 239000002245 particle Substances 0.000 claims abstract description 186
- 239000000758 substrate Substances 0.000 claims abstract description 67
- 230000003287 optical effect Effects 0.000 claims abstract description 66
- 239000000463 material Substances 0.000 claims abstract description 45
- 238000004321 preservation Methods 0.000 claims abstract description 3
- 238000000576 coating method Methods 0.000 claims description 95
- 239000011248 coating agent Substances 0.000 claims description 79
- 238000004519 manufacturing process Methods 0.000 claims description 34
- 229910052782 aluminium Inorganic materials 0.000 claims description 15
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 15
- 230000005855 radiation Effects 0.000 claims description 12
- 239000012530 fluid Substances 0.000 claims description 11
- 239000006185 dispersion Substances 0.000 claims description 9
- 239000011230 binding agent Substances 0.000 claims description 8
- 239000011347 resin Substances 0.000 claims description 8
- 229920005989 resin Polymers 0.000 claims description 8
- 238000001125 extrusion Methods 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 6
- 238000000149 argon plasma sintering Methods 0.000 claims description 3
- 238000004049 embossing Methods 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 35
- 230000007547 defect Effects 0.000 description 20
- 230000008569 process Effects 0.000 description 20
- 238000009826 distribution Methods 0.000 description 16
- 210000000887 face Anatomy 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 10
- 230000015572 biosynthetic process Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 238000012935 Averaging Methods 0.000 description 8
- 230000008901 benefit Effects 0.000 description 8
- 238000001228 spectrum Methods 0.000 description 8
- 238000005507 spraying Methods 0.000 description 7
- 230000000007 visual effect Effects 0.000 description 7
- 239000011888 foil Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 230000000737 periodic effect Effects 0.000 description 6
- 239000010408 film Substances 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 239000002923 metal particle Substances 0.000 description 5
- 238000012876 topography Methods 0.000 description 5
- -1 but not limited to Polymers 0.000 description 4
- 238000000151 deposition Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000000206 photolithography Methods 0.000 description 4
- 238000002310 reflectometry Methods 0.000 description 4
- 230000004304 visual acuity Effects 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 239000006224 matting agent Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 210000001525 retina Anatomy 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 239000002537 cosmetic Substances 0.000 description 2
- 238000005388 cross polarization Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 210000003298 dental enamel Anatomy 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000000265 homogenisation Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 230000008447 perception Effects 0.000 description 2
- 229920000058 polyacrylate Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000003908 quality control method Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000007592 spray painting technique Methods 0.000 description 2
- 238000007447 staining method Methods 0.000 description 2
- 238000001069 Raman spectroscopy Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000035508 accumulation Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229920005994 diacetyl cellulose Polymers 0.000 description 1
- 238000000113 differential scanning calorimetry Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005315 distribution function Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000002346 layers by function Substances 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 230000002207 retinal effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 210000000697 sensory organ Anatomy 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
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
-
- 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
- G03B21/604—Polarised 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
- G03B21/602—Lenticular 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
- 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
- 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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US28934309P | 2009-12-22 | 2009-12-22 | |
| PCT/US2010/061944 WO2011087873A2 (en) | 2009-12-22 | 2010-12-22 | Polarization preserving projection screen with engineered pigment and method for making same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EA201200941A1 EA201200941A1 (ru) | 2012-12-28 |
| EA028214B1 true EA028214B1 (ru) | 2017-10-31 |
Family
ID=44304911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EA201200941A EA028214B1 (ru) | 2009-12-22 | 2010-12-22 | Сохраняющий поляризацию проекционный экран, содержащий отдельно разработанный пигмент, и способ его изготовления |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US8488240B2 (enExample) |
| EP (1) | EP2517071B1 (enExample) |
| CN (1) | CN102763035B (enExample) |
| BR (1) | BR112012015479A2 (enExample) |
| CA (1) | CA2795690C (enExample) |
| EA (1) | EA028214B1 (enExample) |
| IN (1) | IN2012DN05897A (enExample) |
| WO (1) | WO2011087873A2 (enExample) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8760760B2 (en) * | 2010-09-30 | 2014-06-24 | Reald Inc. | Cleanable coating for projection screen |
| WO2014210594A1 (en) * | 2013-06-28 | 2014-12-31 | Reald Inc. | Directional polarization preserving screen |
| US9791768B2 (en) * | 2013-07-19 | 2017-10-17 | 3D-Tek Llc | Projection screen |
| US10197905B2 (en) * | 2014-01-15 | 2019-02-05 | Lg Electronics Inc. | Reflective screen, display having the same and method for manufacturing reflective screen |
| CN110892309B (zh) | 2017-03-08 | 2022-11-22 | 加里夏普创新有限责任公司 | 广角可变中性密度滤光器 |
| WO2019018419A1 (en) | 2017-07-17 | 2019-01-24 | Sharp Gary D | Wide-angle compensation of uniaxial retarder stacks |
| US11249355B2 (en) | 2018-01-29 | 2022-02-15 | Gary Sharp Innovations, Llc | Color switch for reduced color cross-talk |
| CN112219140A (zh) | 2018-01-29 | 2021-01-12 | 加里夏普创新有限责任公司 | 中空三通光学元件 |
| EP3759531A4 (en) | 2018-03-02 | 2021-12-15 | Gary Sharp Innovations, LLC | RETARDER STACKING PAIRS FOR POLARIZATION BASE VECTOR TRANSFORMATION |
| US11226548B2 (en) * | 2019-05-20 | 2022-01-18 | Reald | Polarizing preserving front projection screen with protrusions |
| EP4174575A4 (en) * | 2020-06-24 | 2024-08-07 | Shenzhen Photonic Crystal Technology Co., Ltd | PROJECTION SCREEN CAPABLE OF MAINTAINING THE POLARIZATION STATE OF A PROJECTION LIGHT |
| CN114114499B (zh) * | 2020-08-31 | 2024-07-19 | 宁波激智科技股份有限公司 | 一种保偏光学膜、一种保偏扩散膜及一种双面雾保偏扩散膜 |
| TWI892340B (zh) * | 2023-12-05 | 2025-08-01 | 財團法人工業技術研究院 | 透明投影膜結構 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10104747A (ja) * | 1996-09-30 | 1998-04-24 | Dainippon Printing Co Ltd | 反射型映写スクリーン |
| JPH10206973A (ja) * | 1997-01-20 | 1998-08-07 | Nitto Denko Corp | 透過型スクリーン |
| US20010005282A1 (en) * | 1999-12-22 | 2001-06-28 | Kimoto Co., Ltd. | See-through light transmitting type screen |
| JP2008151815A (ja) * | 2006-12-14 | 2008-07-03 | Fujitsu General Ltd | 透過型スクリーン及びこれを備えた背面投写型表示装置 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2524286A (en) * | 1946-05-14 | 1950-10-03 | John F Dreyer | Flexible noncrystalline self-contained polarizing films and methods of making and using the same |
| US3652317A (en) * | 1970-05-01 | 1972-03-28 | Getters Spa | Method of producing substrate having a particulate metallic coating |
| US3754811A (en) * | 1971-12-13 | 1973-08-28 | Eastman Kodak Co | Projection screen |
| US3975304A (en) * | 1972-05-03 | 1976-08-17 | S.A.E.S. Getters S.P.A. | Coating a substrate with soft particles |
| US5672410A (en) | 1992-05-11 | 1997-09-30 | Avery Dennison Corporation | Embossed metallic leafing pigments |
| US5631064A (en) * | 1995-09-15 | 1997-05-20 | Minnesota Mining And Manufacturing Company | Retroreflective transfer sheet and applique |
| GB9524220D0 (en) | 1995-11-27 | 1996-01-31 | Nashua Corp | Improvements in or relating to projection screens and the like |
| US6144491A (en) * | 1996-02-29 | 2000-11-07 | Dai Nippon Printing Co., Ltd. | Reflection-type projection screen |
| US6150022A (en) | 1998-12-07 | 2000-11-21 | Flex Products, Inc. | Bright metal flake based pigments |
| US6369944B1 (en) * | 1999-07-12 | 2002-04-09 | Nashua Corporation | Diffuser-coated projection screen element and method of manufacture |
| JP3993980B2 (ja) * | 1999-12-22 | 2007-10-17 | 株式会社きもと | 透視可能な透過型スクリーン |
| WO2002010804A1 (en) * | 2000-07-31 | 2002-02-07 | Rochester Photonics Corporation | Structure screens for controlled spreading of light |
| US7068427B2 (en) * | 2003-09-03 | 2006-06-27 | Diy Theatre, Llc | Projection screens, methods for forming a projection screen and projection screen kits |
| AU2009209209B2 (en) * | 2008-01-28 | 2014-06-12 | Reald Inc. | Polarization preserving front projection screen |
| WO2011087872A2 (en) | 2009-12-22 | 2011-07-21 | Reald Inc. | Polarization preserving projection screen with engineered particle and method for making same |
-
2010
- 2010-12-22 IN IN5897DEN2012 patent/IN2012DN05897A/en unknown
- 2010-12-22 CA CA2795690A patent/CA2795690C/en active Active
- 2010-12-22 CN CN201080064446.0A patent/CN102763035B/zh active Active
- 2010-12-22 EA EA201200941A patent/EA028214B1/ru not_active IP Right Cessation
- 2010-12-22 EP EP10843601.5A patent/EP2517071B1/en active Active
- 2010-12-22 BR BR112012015479A patent/BR112012015479A2/pt not_active IP Right Cessation
- 2010-12-22 WO PCT/US2010/061944 patent/WO2011087873A2/en not_active Ceased
-
2012
- 2012-04-27 US US13/457,707 patent/US8488240B2/en active Active
-
2013
- 2013-07-15 US US13/942,259 patent/US9110363B2/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10104747A (ja) * | 1996-09-30 | 1998-04-24 | Dainippon Printing Co Ltd | 反射型映写スクリーン |
| JPH10206973A (ja) * | 1997-01-20 | 1998-08-07 | Nitto Denko Corp | 透過型スクリーン |
| US20010005282A1 (en) * | 1999-12-22 | 2001-06-28 | Kimoto Co., Ltd. | See-through light transmitting type screen |
| JP2008151815A (ja) * | 2006-12-14 | 2008-07-03 | Fujitsu General Ltd | 透過型スクリーン及びこれを備えた背面投写型表示装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011087873A2 (en) | 2011-07-21 |
| US20130301122A1 (en) | 2013-11-14 |
| CN102763035B (zh) | 2015-06-17 |
| IN2012DN05897A (enExample) | 2015-09-18 |
| EA201200941A1 (ru) | 2012-12-28 |
| US20120206800A1 (en) | 2012-08-16 |
| BR112012015479A2 (pt) | 2017-09-05 |
| WO2011087873A3 (en) | 2011-11-10 |
| US9110363B2 (en) | 2015-08-18 |
| CN102763035A (zh) | 2012-10-31 |
| EP2517071B1 (en) | 2019-05-22 |
| US8488240B2 (en) | 2013-07-16 |
| CA2795690C (en) | 2020-06-09 |
| CA2795690A1 (en) | 2011-07-21 |
| EP2517071A4 (en) | 2016-04-20 |
| EP2517071A2 (en) | 2012-10-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EA028214B1 (ru) | Сохраняющий поляризацию проекционный экран, содержащий отдельно разработанный пигмент, и способ его изготовления | |
| US8169699B2 (en) | Polarization preserving projection screen with engineered pigment and method for making same | |
| US8659828B2 (en) | Polarization preserving projection screen with engineered particle and method for making same | |
| JP6288784B2 (ja) | 偏光保存正面投影型スクリーン | |
| CN101124515B (zh) | 在背景光下工作的投影接收面 | |
| KR101608091B1 (ko) | 방현 필름 및 그 제조 방법 | |
| TW201636646A (zh) | 擴散板 | |
| KR20190032658A (ko) | 광학기기용 차광재 및 그의 제조방법 | |
| JP2007508589A6 (ja) | 周囲光の中で機能する投影受像面 | |
| US20120229894A1 (en) | Method and apparatus for managing optical non-uniformities in seaming processes | |
| JPWO2019225749A1 (ja) | 映像投影構造体、その製造方法、および映像表示システム | |
| JP2012083538A (ja) | 異方拡散スクリーン | |
| US20090059365A1 (en) | Device and method for the presentation of static or moving images |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s) |
Designated state(s): AM AZ BY KZ KG MD TJ TM |