DE69623847D1 - Beleuchtungsvorrichtung - Google Patents

Beleuchtungsvorrichtung

Info

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
Application number
DE69623847T
Other languages
English (en)
Other versions
DE69623847T2 (de
Inventor
Valter Drazic
Khaled Sarayeddine
Eric Marcellin-Dibon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Technicolor SA
Original Assignee
Thomson Multimedia SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Thomson Multimedia SA filed Critical Thomson Multimedia SA
Application granted granted Critical
Publication of DE69623847D1 publication Critical patent/DE69623847D1/de
Publication of DE69623847T2 publication Critical patent/DE69623847T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
DE69623847T 1995-04-28 1996-04-24 Beleuchtungsvorrichtung Expired - Lifetime DE69623847T2 (de)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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