DE69817028T2 - Projektionsfernsehgeräte mit holographischen bildschirmen und aufeinandergestapelten elementen - Google Patents
Projektionsfernsehgeräte mit holographischen bildschirmen und aufeinandergestapelten elementen Download PDFInfo
- Publication number
- DE69817028T2 DE69817028T2 DE69817028T DE69817028T DE69817028T2 DE 69817028 T2 DE69817028 T2 DE 69817028T2 DE 69817028 T DE69817028 T DE 69817028T DE 69817028 T DE69817028 T DE 69817028T DE 69817028 T2 DE69817028 T2 DE 69817028T2
- Authority
- DE
- Germany
- Prior art keywords
- screen
- angle
- angles
- approximately
- incidence
- 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.)
- Expired - Fee Related
Links
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- 230000008859 change Effects 0.000 claims description 17
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- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000006185 dispersion Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims 4
- 230000001419 dependent effect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 6
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- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
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- 239000002985 plastic film Substances 0.000 description 2
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- 230000008570 general process Effects 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/32—Holograms used as optical elements
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
- Projection Apparatus (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/US1998/001618 WO1999039510A1 (en) | 1998-01-29 | 1998-01-29 | Projection televisions with holographic screens having stacked elements |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69817028D1 DE69817028D1 (de) | 2003-09-11 |
| DE69817028T2 true DE69817028T2 (de) | 2004-05-27 |
Family
ID=22266277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69817028T Expired - Fee Related DE69817028T2 (de) | 1998-01-29 | 1998-01-29 | Projektionsfernsehgeräte mit holographischen bildschirmen und aufeinandergestapelten elementen |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP1051857B1 (enExample) |
| JP (1) | JP3900332B2 (enExample) |
| KR (1) | KR20010040481A (enExample) |
| CN (1) | CN1208635C (enExample) |
| AU (1) | AU6252798A (enExample) |
| DE (1) | DE69817028T2 (enExample) |
| WO (1) | WO1999039510A1 (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19934162B4 (de) * | 1999-07-21 | 2006-06-29 | Eads Deutschland Gmbh | Verfahren und Vorrichtung zur Herstellung von Bildschirmhologrammen, sowie Bildschirmhologramm |
| CN105737029B (zh) * | 2016-03-25 | 2018-12-07 | 中国科学院工程热物理研究所 | 一种太阳模拟器 |
| CN109581801A (zh) * | 2019-02-19 | 2019-04-05 | 威创集团股份有限公司 | 一种菲涅尔透镜、背投影拼接屏幕及拼接墙显示单元 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5046793A (en) * | 1989-05-26 | 1991-09-10 | Litton Systems, Inc. | Chromatically corrected directional diffusing screen |
| JP3340766B2 (ja) * | 1992-09-03 | 2002-11-05 | 株式会社リコー | 透過型投射スクリーン |
| WO1995034832A1 (fr) * | 1992-12-15 | 1995-12-21 | Thomson-Csf | Ecran de projection holographique et procede de realisation |
| WO1995004303A1 (en) * | 1993-07-27 | 1995-02-09 | Physical Optics Corporation | High-brightness directional viewing screen |
| JP2790032B2 (ja) * | 1994-03-11 | 1998-08-27 | 松下電器産業株式会社 | 透過型スクリーンとその製造方法 |
| CN1084885C (zh) * | 1994-09-06 | 2002-05-15 | 皇家菲利浦电子有限公司 | 背面投影屏及其制造方法和包括该投影屏的图象投影装置 |
| US5687024A (en) * | 1995-06-30 | 1997-11-11 | Kuraray Co., Ltd. | Lenticular lens sheet |
| JPH0973132A (ja) * | 1995-09-05 | 1997-03-18 | Casio Comput Co Ltd | 透過型スクリーンおよびこれを用いた表示装置 |
| US6095652A (en) * | 1995-09-15 | 2000-08-01 | Richmond Holographic Research And Development, Ltd. | Projection system |
| US5796499A (en) * | 1997-02-28 | 1998-08-18 | Polaroid Corporation | Transmission holographic diffuser made and used to effect lateral color constancy in rear screen projection display systems |
-
1998
- 1998-01-29 DE DE69817028T patent/DE69817028T2/de not_active Expired - Fee Related
- 1998-01-29 KR KR1020007008337A patent/KR20010040481A/ko not_active Ceased
- 1998-01-29 JP JP2000529842A patent/JP3900332B2/ja not_active Expired - Fee Related
- 1998-01-29 CN CNB98813392XA patent/CN1208635C/zh not_active Expired - Fee Related
- 1998-01-29 WO PCT/US1998/001618 patent/WO1999039510A1/en not_active Ceased
- 1998-01-29 EP EP98904725A patent/EP1051857B1/en not_active Expired - Lifetime
- 1998-01-29 AU AU62527/98A patent/AU6252798A/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| EP1051857A1 (en) | 2000-11-15 |
| JP3900332B2 (ja) | 2007-04-04 |
| CN1285116A (zh) | 2001-02-21 |
| JP2002502196A (ja) | 2002-01-22 |
| WO1999039510A1 (en) | 1999-08-05 |
| AU6252798A (en) | 1999-08-16 |
| CN1208635C (zh) | 2005-06-29 |
| EP1051857B1 (en) | 2003-08-06 |
| KR20010040481A (ko) | 2001-05-15 |
| DE69817028D1 (de) | 2003-09-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |