DE69416840D1 - Flüssigkristallprojektor mit holographischer filtervorrichtung - Google Patents

Flüssigkristallprojektor mit holographischer filtervorrichtung

Info

Publication number
DE69416840D1
DE69416840D1 DE69416840T DE69416840T DE69416840D1 DE 69416840 D1 DE69416840 D1 DE 69416840D1 DE 69416840 T DE69416840 T DE 69416840T DE 69416840 T DE69416840 T DE 69416840T DE 69416840 D1 DE69416840 D1 DE 69416840D1
Authority
DE
Germany
Prior art keywords
liquid crystal
filter device
crystal projector
holographic filter
holographic
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
Application number
DE69416840T
Other languages
English (en)
Other versions
DE69416840T2 (de
Inventor
Brigitte Loiseaux
Cecile Joubert
Jean-Pierre Huignard
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.)
Thales SA
Original Assignee
Thomson CSF 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 CSF SA filed Critical Thomson CSF SA
Priority claimed from PCT/FR1994/000733 external-priority patent/WO1995035486A1/fr
Application granted granted Critical
Publication of DE69416840D1 publication Critical patent/DE69416840D1/de
Publication of DE69416840T2 publication Critical patent/DE69416840T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/12—Generating the spectrum; Monochromators
    • G01J3/18—Generating the spectrum; Monochromators using diffraction elements, e.g. grating
    • 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]
    • H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
    • H04N9/3105—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying all colours simultaneously, e.g. by using two or more electronic spatial light modulators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/12—Transmitting gear between valve drive and valve
    • F01L1/14—Tappets; Push rods
    • F01L1/143—Tappets; Push rods for use with overhead camshafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/20—Adjusting or compensating clearance
    • F01L1/22—Adjusting or compensating clearance automatically, e.g. mechanically
    • F01L1/24—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically
    • F01L1/245—Hydraulic tappets
    • F01L1/25—Hydraulic tappets between cam and valve stem
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/203—Filters having holographic or diffractive elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/32—Holograms used as optical elements
    • 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]

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Liquid Crystal (AREA)
  • Projection Apparatus (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
DE69416840T 1994-06-17 1994-06-17 Flüssigkristallprojektor mit holographischer filtervorrichtung Expired - Fee Related DE69416840T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/FR1994/000733 WO1995035486A1 (fr) 1992-12-21 1994-06-17 Dispositif de filtrage optique et application a un projecteur a cristal liquide

Publications (2)

Publication Number Publication Date
DE69416840D1 true DE69416840D1 (de) 1999-04-08
DE69416840T2 DE69416840T2 (de) 1999-07-29

Family

ID=9459336

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69416840T Expired - Fee Related DE69416840T2 (de) 1994-06-17 1994-06-17 Flüssigkristallprojektor mit holographischer filtervorrichtung

Country Status (5)

Country Link
US (1) US5946114A (de)
EP (1) EP0714504B1 (de)
JP (1) JP3778364B2 (de)
KR (2) KR100330109B1 (de)
DE (1) DE69416840T2 (de)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3690006B2 (ja) * 1996-10-31 2005-08-31 ソニー株式会社 映像投射装置
FR2755530B1 (fr) * 1996-11-05 1999-01-22 Thomson Csf Dispositif de visualisation et ecran plat de television utilisant ce dispositif
US6507419B1 (en) * 1999-03-23 2003-01-14 Digilens, Inc. Illumination system using optical feedback
FR2793566B1 (fr) 1999-05-11 2002-07-12 Thomson Csf Separateur de polarisations
US6512609B1 (en) * 1999-08-10 2003-01-28 Zebra Imaging, Inc. System and method for correcting projection distortions in a hologram producing system
JP2001092419A (ja) * 1999-09-22 2001-04-06 Canon Inc 表示装置
FR2813128B1 (fr) 2000-08-18 2003-01-17 Thomson Csf Dispositif de visualisation a cristal liquide a compensateur de birefringence
EP1311790B1 (de) * 2000-08-18 2005-05-25 Linde Aktiengesellschaft Verfahren zur herstellung einer luftzerlegungsanlage
FR2819061B1 (fr) * 2000-12-28 2003-04-11 Thomson Csf Dispositif de controle de polarisation dans une liaison optique
US6945654B2 (en) * 2001-08-06 2005-09-20 Jds Uniphase Corporation Color management system having a prism to compensate for optical aberrations and to enhance contrast
US6899432B2 (en) * 2001-08-06 2005-05-31 Advanced Digital Optics, Inc. Color management system having a transmissive panel and optical isolator
US7347561B2 (en) * 2001-08-06 2008-03-25 Jds Uniphase Corporation Image display device
US6857747B2 (en) * 2001-08-06 2005-02-22 Advanced Digital Optics, Inc. Color management system
DE60215025T2 (de) * 2001-08-06 2007-05-03 Jds Uniphase Corp., San Jose Farbverwaltungssystem
US6893130B2 (en) * 2001-08-06 2005-05-17 Advanced Digital Optics, Inc. Color management system having a field lens
US6698894B2 (en) 2001-12-19 2004-03-02 Koninklijke Philips Electronics N.V. Scrolling color light engine with improved color uniformity of the illumination field and single panel projection display system incorporating same
KR20030079428A (ko) * 2002-04-04 2003-10-10 삼성전기주식회사 색 보정 기능을 갖는 가시영역 필터를 이용한 프로젝션시스템
KR100878280B1 (ko) * 2002-11-20 2009-01-13 삼성전자주식회사 4색 구동 액정 표시 장치 및 이에 사용하는 표시판
CN1324363C (zh) * 2002-05-04 2007-07-04 三星电子株式会社 液晶显示器及其滤色片阵列板
US6888604B2 (en) * 2002-08-14 2005-05-03 Samsung Electronics Co., Ltd. Liquid crystal display
US7029127B2 (en) * 2003-03-06 2006-04-18 Seiko Epson Corporation Projector
JP4141938B2 (ja) * 2003-11-10 2008-08-27 セイコーエプソン株式会社 プロジェクタ
CN100390575C (zh) * 2005-11-03 2008-05-28 中国科学院半导体研究所 扩展截止滤光片工作波长的结构及其使用方法
WO2007056595A1 (en) * 2005-11-09 2007-05-18 Thomson Licensing Optical seaming adjuster
US10359552B2 (en) 2011-01-17 2019-07-23 University Of Utah Research Foundation Methods, systems, and apparatus for reducing the frequency and/or severity of photophobic responses or for modulating circadian cycles
ES2962140T3 (es) 2011-01-17 2024-03-15 Univ Utah Res Found Aparatos y métodos para reducir la frecuencia o gravedad de las respuestas fotófobas o modular los ciclos circadianos
US9764157B2 (en) * 2011-01-17 2017-09-19 University Of Utah Research Foundation Methods, systems, and apparatus for reducing the frequency and/or severity of photophobic responses or for modulating circadian cycles
US10234608B2 (en) 2013-11-15 2019-03-19 University Of Utah Research Foundation Nanoparticle light filtering method and apparatus
US10281627B2 (en) 2013-11-15 2019-05-07 University Of Utah Research Foundation Nanoparticle light filtering method and apparatus
WO2016014713A1 (en) * 2014-07-22 2016-01-28 University Of Utah Research Foundation Methods, systems, and apparatus for reducing the frequency and/or severity of photophobic responses or for modulating circadian cycles
DE102019210817A1 (de) * 2019-07-22 2021-01-28 Robert Bosch Gmbh Vorrichtung zum Beobachten eines Fahrzeuginsassen
US20230213650A1 (en) * 2020-10-19 2023-07-06 Lg Chem, Ltd. System for Observing Object by Using Hologram Optical Element

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4752130A (en) * 1986-10-24 1988-06-21 The University Of Rochester Optical systems utilizing a volume transmission diffraction element to provide wavelength tuning
JPH0221401A (ja) * 1988-07-08 1990-01-24 Toshiba Corp コントロール信号記録再生方式
GB8903563D0 (en) * 1989-02-16 1989-04-05 Hozelock Ltd Pumps
DE69030038T2 (de) * 1989-08-31 1997-06-12 Asahi Glass Co Ltd Flüssigkristallfarbprojektionsanzeigevorrichtung
FR2665773B1 (fr) * 1990-08-10 1993-08-20 Thomson Csf Dispositif de projection d'images utilisant deux composantes orthogonales de polarisation de la lumiere.
FR2667972B1 (fr) * 1990-10-12 1992-11-27 Thomson Csf Dispositif de visualisation d'images en couleurs.
FR2680882B1 (fr) * 1991-08-06 1993-10-29 Thomson Csf Projecteur d'images a efficacite lumineuse orptimisee.
FR2680268A1 (fr) * 1991-08-09 1993-02-12 Thomson Csf Tete de lecture magneto-optique.
US5247343A (en) * 1991-11-01 1993-09-21 Nicolet Instrument Corporation Raman spectrometer having interferometer with optical substraction filters
FR2685100A1 (fr) * 1991-12-17 1993-06-18 Thomson Csf Separateur de polarisations optique et application a un systeme de visualisation.
FR2685500B1 (fr) * 1991-12-20 1994-12-23 Thomson Csf Separateur optique de polarisations et application a un systeme de visualisation.
FR2687484A1 (fr) * 1992-02-18 1993-08-20 Sextant Avionique Filtre holographique de protection contre des rayonnements, notamment laser.
FR2691549A1 (fr) * 1992-05-22 1993-11-26 Thomson Csf Séparateur chromatique de lumière et projecteur d'image utilisant un tel séparateur.

Also Published As

Publication number Publication date
KR100330109B1 (ko) 2002-11-22
DE69416840T2 (de) 1999-07-29
JP3778364B2 (ja) 2006-05-24
US5946114A (en) 1999-08-31
EP0714504B1 (de) 1999-03-03
EP0714504A1 (de) 1996-06-05
JPH09502543A (ja) 1997-03-11
KR0161347B1 (ko) 1999-01-15
KR960704215A (ko) 1996-08-31

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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