DK171004B1 - Bagprojektionsskærm - Google Patents
Bagprojektionsskærm Download PDFInfo
- Publication number
- DK171004B1 DK171004B1 DK474088A DK474088A DK171004B1 DK 171004 B1 DK171004 B1 DK 171004B1 DK 474088 A DK474088 A DK 474088A DK 474088 A DK474088 A DK 474088A DK 171004 B1 DK171004 B1 DK 171004B1
- Authority
- DK
- Denmark
- Prior art keywords
- screen
- field lens
- lens
- light
- projection
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000005286 illumination Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 3
- 239000004926 polymethyl methacrylate Substances 0.000 description 3
- NCGICGYLBXGBGN-UHFFFAOYSA-N 3-morpholin-4-yl-1-oxa-3-azonia-2-azanidacyclopent-3-en-5-imine;hydrochloride Chemical compound Cl.[N-]1OC(=N)C=[N+]1N1CCOCC1 NCGICGYLBXGBGN-UHFFFAOYSA-N 0.000 description 2
- 230000003292 diminished effect Effects 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/72—Modifying the appearance of television pictures by optical filters or diffusing 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)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Transforming Electric Information Into Light Information (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US9048787 | 1987-08-28 | ||
| US07/090,487 US4773731A (en) | 1987-08-28 | 1987-08-28 | One-piece projection screen |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DK474088D0 DK474088D0 (da) | 1988-08-25 |
| DK474088A DK474088A (da) | 1989-03-01 |
| DK171004B1 true DK171004B1 (da) | 1996-04-15 |
Family
ID=22222988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK474088A DK171004B1 (da) | 1987-08-28 | 1988-08-25 | Bagprojektionsskærm |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4773731A (de) |
| EP (1) | EP0305009B1 (de) |
| JP (1) | JP2904214B2 (de) |
| KR (1) | KR890004565A (de) |
| DE (1) | DE3885210T2 (de) |
| DK (1) | DK171004B1 (de) |
Families Citing this family (44)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2731169B2 (ja) * | 1988-07-18 | 1998-03-25 | 株式会社日立製作所 | 近距離観視用投写形ディスプレイ装置 |
| EP0371432B1 (de) * | 1988-11-28 | 1995-07-05 | Mitsubishi Rayon Co., Ltd. | Verfahren zur Herstellung eines Schirms vom Transmissionstyp |
| DE3921061A1 (de) * | 1989-06-23 | 1991-01-03 | Hertz Inst Heinrich | Wiedergabeeinrichtung fuer dreidimensionale wahrnehmung von bildern |
| NL8902112A (nl) * | 1989-08-22 | 1991-03-18 | Philips Nv | Doorzichtprojektiescherm en doorzichtprojektiesysteem voorzien van een dergelijk scherm. |
| JP2831436B2 (ja) * | 1990-05-14 | 1998-12-02 | キヤノン株式会社 | スクリーンおよびこれを用いた投写型表示装置 |
| JP2625317B2 (ja) * | 1992-06-11 | 1997-07-02 | ミサワホーム株式会社 | ユニット式建物の上下階接合構造 |
| US5457572A (en) * | 1992-12-17 | 1995-10-10 | Kuraray Co., Ltd. | Rear-projection screen |
| US6788460B2 (en) * | 1998-04-15 | 2004-09-07 | Duke University | Projection screen apparatus |
| US6483612B2 (en) | 1998-04-15 | 2002-11-19 | Duke University | Projection screen apparatus including holographic optical element |
| US20030206342A1 (en) * | 1993-05-12 | 2003-11-06 | Bright View Technologies, Inc. | Micro-lens array based light transmission screen |
| US5668662A (en) * | 1994-05-12 | 1997-09-16 | Philips Electronics North America Corporation | Front projection screen with lenticular front surface |
| JP3371654B2 (ja) * | 1995-10-30 | 2003-01-27 | ソニー株式会社 | 投射型ディスプレイ装置 |
| DE69830303T2 (de) * | 1997-12-29 | 2006-02-02 | Koninklijke Philips Electronics N.V. | Rückprojektionsschirm |
| US6449089B1 (en) | 1998-03-30 | 2002-09-10 | 3M Innovative Properties Company | Rear projection screen with enhanced contrast |
| US6163402A (en) | 1998-06-11 | 2000-12-19 | 3M Innovative Properties Company | Rear projection screen |
| US6816306B2 (en) * | 1998-04-15 | 2004-11-09 | Bright View Technologies Inc. | Micro-lens array based light transmitting screen with high resolution and low imaging artifacts |
| US6829087B2 (en) * | 1998-04-15 | 2004-12-07 | Bright View Technologies, Inc. | Micro-lens array based light transmitting screen with tunable gain |
| US6967779B2 (en) * | 1998-04-15 | 2005-11-22 | Bright View Technologies, Inc. | Micro-lens array with precisely aligned aperture mask and methods of producing same |
| US6407859B1 (en) * | 1999-01-13 | 2002-06-18 | 3M Innovative Properties Company | Fresnel lens for projection screen |
| EP1218795B1 (de) * | 1999-09-29 | 2003-05-07 | Scan Vision Screen APS | Lichtdurchlässiger schirm mit einem linsensystem |
| DE10022713B4 (de) * | 2000-05-10 | 2004-02-05 | Osram Opto Semiconductors Gmbh | Signalgeber für Verkehrssignale |
| US20020096859A1 (en) * | 2001-01-22 | 2002-07-25 | Versaw Douglas W. | Motorcycle trailer hitch |
| US6819486B2 (en) * | 2001-01-17 | 2004-11-16 | 3M Innovative Properties Company | Projection screen having elongated structures |
| CA2481647A1 (en) * | 2002-04-12 | 2003-10-23 | Duke University | Projection screen apparatus |
| US7777949B2 (en) * | 2002-08-16 | 2010-08-17 | Seiko Epson Corporation | Laminate screen for a display device |
| US7175287B2 (en) * | 2002-08-16 | 2007-02-13 | Infocus Corporation | Wide angle projection lens |
| US7009765B2 (en) * | 2002-08-16 | 2006-03-07 | Infocus Corporation | Wide angle lens system having a distorted intermediate image |
| US7102820B2 (en) * | 2002-08-16 | 2006-09-05 | Infocus Corporation | Flat valley fresnel lens for a display device |
| US7088507B2 (en) * | 2002-08-16 | 2006-08-08 | Infocus Corporation | Rear projection display |
| US6896375B2 (en) * | 2002-08-16 | 2005-05-24 | Infocus Corporation | Rear projection display device having multiple mirrors that are substantially parallel to a screen |
| US7341353B2 (en) * | 2002-08-16 | 2008-03-11 | Infocus Corporation | Variable fresnel screen for use in projection device |
| US7150537B2 (en) * | 2002-08-16 | 2006-12-19 | Infocus Corporation | Projection television device and screen |
| CN100449333C (zh) * | 2002-09-24 | 2009-01-07 | 大日本印刷株式会社 | 菲涅耳透镜片及采用它的透光型屏幕和背面透光型显示装置 |
| US6917469B2 (en) * | 2003-06-27 | 2005-07-12 | Japan Acryace Co., Ltd. | Light diffusing laminated plate |
| KR100553889B1 (ko) * | 2003-07-15 | 2006-02-24 | 삼성전자주식회사 | 프로젝션 표시 장치용 스크린 |
| US7080910B2 (en) * | 2003-08-19 | 2006-07-25 | Infocus Corporation | Method and system for a thermal architecture and user adjustable keystone in a display device |
| WO2006032002A1 (en) * | 2004-09-13 | 2006-03-23 | Fusion Optix, Inc. | High contrast optical path corrected screen |
| US20060181770A1 (en) | 2005-02-15 | 2006-08-17 | K Laser Technology, Inc. | Rear projection screen with spatial varying diffusing angle |
| US8830577B2 (en) * | 2011-05-12 | 2014-09-09 | Prysm, Inc. | Rollable display screen |
| US9291887B2 (en) | 2011-05-12 | 2016-03-22 | Prysm, Inc. | Rollable display screen quilt |
| AU2014412625B2 (en) * | 2014-11-25 | 2018-05-17 | Bolymedia Holdings Co. Ltd. | Fresnel lens system |
| KR20170092674A (ko) * | 2014-12-10 | 2017-08-11 | 볼리미디어 홀딩즈 컴퍼니 리미티드 | 전자기 복사 감지 시스템 |
| US20180045933A1 (en) * | 2016-06-30 | 2018-02-15 | Danielle Dileo | Optical system for an led wash luminaire |
| WO2023102795A1 (zh) * | 2021-12-09 | 2023-06-15 | 瑞仪(广州)光电子器件有限公司 | 光学元件、光源模组与显示装置 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5189419A (de) * | 1975-02-03 | 1976-08-05 | ||
| JPS56106237A (en) * | 1980-01-29 | 1981-08-24 | Matsushita Electric Ind Co Ltd | Transmissive screen and its manufacture |
| JPS58160940A (ja) * | 1982-03-19 | 1983-09-24 | Dainippon Printing Co Ltd | 透過型映写用スクリ−ン板 |
| JPS5988723A (ja) * | 1982-11-12 | 1984-05-22 | Dainippon Printing Co Ltd | レンチキユラ−スクリ−ン |
| NL8300817A (nl) * | 1983-03-07 | 1984-10-01 | Philips Nv | Projektiescherm. |
| JPS6190149A (ja) * | 1984-10-09 | 1986-05-08 | Hitachi Ltd | 透過形スクリ−ン |
| NL8600184A (nl) * | 1986-01-28 | 1987-08-17 | Philips Nv | Doorzichtprojektiesysteem. |
| US4679900A (en) * | 1986-06-05 | 1987-07-14 | North American Philips Corporation | Bulk diffuser for a projection television screen |
| JPS632031A (ja) * | 1986-06-23 | 1988-01-07 | Mitsubishi Rayon Co Ltd | 透過型スクリ−ン |
-
1987
- 1987-08-28 US US07/090,487 patent/US4773731A/en not_active Expired - Lifetime
-
1988
- 1988-08-24 DE DE88201798T patent/DE3885210T2/de not_active Expired - Fee Related
- 1988-08-24 EP EP88201798A patent/EP0305009B1/de not_active Expired - Lifetime
- 1988-08-25 DK DK474088A patent/DK171004B1/da not_active IP Right Cessation
- 1988-08-25 KR KR1019880010805A patent/KR890004565A/ko not_active Ceased
- 1988-08-25 JP JP63209595A patent/JP2904214B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0305009B1 (de) | 1993-10-27 |
| EP0305009A3 (en) | 1989-09-20 |
| KR890004565A (ko) | 1989-04-22 |
| DE3885210D1 (de) | 1993-12-02 |
| JPS6472135A (en) | 1989-03-17 |
| DK474088A (da) | 1989-03-01 |
| EP0305009A2 (de) | 1989-03-01 |
| US4773731A (en) | 1988-09-27 |
| JP2904214B2 (ja) | 1999-06-14 |
| DK474088D0 (da) | 1988-08-25 |
| DE3885210T2 (de) | 1994-05-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B1 | Patent granted (law 1993) | ||
| PBP | Patent lapsed |
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