DE69623847D1 - Beleuchtungsvorrichtung - Google Patents
BeleuchtungsvorrichtungInfo
- Publication number
- DE69623847D1 DE69623847D1 DE69623847T DE69623847T DE69623847D1 DE 69623847 D1 DE69623847 D1 DE 69623847D1 DE 69623847 T DE69623847 T DE 69623847T DE 69623847 T DE69623847 T DE 69623847T DE 69623847 D1 DE69623847 D1 DE 69623847D1
- Authority
- DE
- Germany
- Prior art keywords
- lighting device
- lighting
- 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 - Lifetime
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0927—Systems for changing the beam intensity distribution, e.g. Gaussian to top-hat
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0938—Using specific optical elements
- G02B27/095—Refractive optical elements
- G02B27/0955—Lenses
- G02B27/0961—Lens arrays
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
- G02B3/0037—Arrays characterized by the distribution or form of lenses
- G02B3/0056—Arrays characterized by the distribution or form of lenses arranged along two different directions in a plane, e.g. honeycomb arrangement of lenses
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Projection Apparatus (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9505112A FR2733604B1 (fr) | 1995-04-28 | 1995-04-28 | Dispositif d'eclairement |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69623847D1 true DE69623847D1 (de) | 2002-10-31 |
DE69623847T2 DE69623847T2 (de) | 2003-08-07 |
Family
ID=9478534
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69623847T Expired - Lifetime DE69623847T2 (de) | 1995-04-28 | 1996-04-24 | Beleuchtungsvorrichtung |
Country Status (6)
Country | Link |
---|---|
US (1) | US6115183A (de) |
EP (1) | EP0740169B1 (de) |
JP (1) | JP3923560B2 (de) |
DE (1) | DE69623847T2 (de) |
FR (1) | FR2733604B1 (de) |
ZA (1) | ZA963005B (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69826950T2 (de) * | 1997-09-05 | 2006-02-23 | Sharp K.K. | Dunkelfeld-Projektionsanzeigegerät |
JP2001272726A (ja) | 2000-03-23 | 2001-10-05 | Sony Corp | 光学装置およびそれを用いた投射型表示装置 |
EP1267199A1 (de) * | 2001-06-15 | 2002-12-18 | Prokia Technology Co., Ltd. | Beleuchtungseinrichtung mit einer omnidirektionalen Lichtquelle für eine Anzeigevorrichtung |
KR100442246B1 (ko) * | 2001-11-08 | 2004-07-30 | 엘지전자 주식회사 | 반사형 편광판을 이용한 램프 반사경 |
KR100601708B1 (ko) * | 2004-11-17 | 2006-07-18 | 삼성전자주식회사 | 반사형 콜리메이터를 구비한 조명장치 및 이를 채용한화상투사장치 |
JP5381348B2 (ja) * | 2009-06-02 | 2014-01-08 | セイコーエプソン株式会社 | 光源装置、照明系、プロジェクター |
US10732524B2 (en) | 2015-07-31 | 2020-08-04 | Asml Holding N.V. | Optical system of an alignment system |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4124279A (en) * | 1977-07-18 | 1978-11-07 | Hughes Aircraft Company | Reflector focused light trap for a liquid crystal display |
US4769750A (en) * | 1985-10-18 | 1988-09-06 | Nippon Kogaku K. K. | Illumination optical system |
US4733944A (en) * | 1986-01-24 | 1988-03-29 | Xmr, Inc. | Optical beam integration system |
US4770525A (en) * | 1986-03-24 | 1988-09-13 | Casio Computer Co., Ltd. | Liquid crystal projector |
NL8901077A (nl) * | 1989-04-28 | 1990-11-16 | Koninkl Philips Electronics Nv | Optische belichtingsstelsel en projectie-apparaat voorzien van een dergelijk stelsel. |
JPH0488317A (ja) * | 1990-07-31 | 1992-03-23 | Sharp Corp | 投影型ディスプレイ装置 |
FR2676288B1 (fr) * | 1991-05-07 | 1994-06-17 | Thomson Csf | Collecteur d'eclairage pour projecteur. |
JPH05100331A (ja) * | 1991-10-11 | 1993-04-23 | Toshiba Corp | 液晶表示装置 |
JPH05196892A (ja) * | 1992-01-21 | 1993-08-06 | Canon Inc | 偏光照明装置及び該偏光照明装置を用いた投写型表示装置 |
JP2973750B2 (ja) * | 1992-03-31 | 1999-11-08 | 松下電器産業株式会社 | 照明光学装置とそれを用いた投写型表示装置 |
US5430562A (en) * | 1993-01-25 | 1995-07-04 | Matsushita Electric Industrial Co., Ltd. | Liquid crystal light valve including between light and light valve microlenses and two reflecting layers with a matrix of openings |
DE4307178C2 (de) * | 1993-03-08 | 1996-09-19 | Lueder Ernst | Vorrichtung und Verfahren zur Polarisation von Licht |
WO1995000865A1 (en) * | 1993-06-17 | 1995-01-05 | Xmr, Inc. | Improved optical beam integration system |
-
1995
- 1995-04-28 FR FR9505112A patent/FR2733604B1/fr not_active Expired - Fee Related
-
1996
- 1996-04-16 ZA ZA963005A patent/ZA963005B/xx unknown
- 1996-04-16 US US08/632,934 patent/US6115183A/en not_active Expired - Lifetime
- 1996-04-23 JP JP10165996A patent/JP3923560B2/ja not_active Expired - Fee Related
- 1996-04-24 EP EP96400875A patent/EP0740169B1/de not_active Expired - Lifetime
- 1996-04-24 DE DE69623847T patent/DE69623847T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69623847T2 (de) | 2003-08-07 |
EP0740169A1 (de) | 1996-10-30 |
FR2733604A1 (fr) | 1996-10-31 |
ZA963005B (en) | 1996-08-26 |
JPH0934011A (ja) | 1997-02-07 |
EP0740169B1 (de) | 2002-09-25 |
US6115183A (en) | 2000-09-05 |
FR2733604B1 (fr) | 1997-06-27 |
JP3923560B2 (ja) | 2007-06-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |