DE3888983T2 - Projektor mit Flüssigkristallzellen. - Google Patents

Projektor mit Flüssigkristallzellen.

Info

Publication number
DE3888983T2
DE3888983T2 DE3888983T DE3888983T DE3888983T2 DE 3888983 T2 DE3888983 T2 DE 3888983T2 DE 3888983 T DE3888983 T DE 3888983T DE 3888983 T DE3888983 T DE 3888983T DE 3888983 T2 DE3888983 T2 DE 3888983T2
Authority
DE
Germany
Prior art keywords
projector
liquid crystal
crystal cells
cells
liquid
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
DE3888983T
Other languages
English (en)
Other versions
DE3888983D1 (de
Inventor
Katuyuki Hunahata
Yoshiharu Nagae
Masahiro Takasaka
Yuji Mori
Minoru Hoshino
Yasuyuki Kozima
Youhei Saito
Kyohei Fukuda
Hayao Kozai
Tadahiko Hashimoto
Yoshiaki Tsuchihashi
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of DE3888983D1 publication Critical patent/DE3888983D1/de
Application granted granted Critical
Publication of DE3888983T2 publication Critical patent/DE3888983T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
    • G02F1/13471—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells in which all the liquid crystal cells or layers remain transparent, e.g. FLC, ECB, DAP, HAN, TN, STN, SBE-LC cells
    • G02F1/13473—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells in which all the liquid crystal cells or layers remain transparent, e.g. FLC, ECB, DAP, HAN, TN, STN, SBE-LC cells for wavelength filtering or for colour display without the use of colour mosaic filters
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
    • G02F1/13475—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells in which at least one liquid crystal cell or layer is doped with a pleochroic dye, e.g. GH-LC cell
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528—Polarisers
    • G02F1/133533—Colour selective polarisers
DE3888983T 1987-01-09 1988-01-07 Projektor mit Flüssigkristallzellen. Expired - Fee Related DE3888983T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62001636A JPH0666018B2 (ja) 1987-01-09 1987-01-09 液晶プロジェクション装置

Publications (2)

Publication Number Publication Date
DE3888983D1 DE3888983D1 (de) 1994-05-19
DE3888983T2 true DE3888983T2 (de) 1994-10-13

Family

ID=11507015

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3888983T Expired - Fee Related DE3888983T2 (de) 1987-01-09 1988-01-07 Projektor mit Flüssigkristallzellen.

Country Status (5)

Country Link
US (1) US4838655A (de)
EP (1) EP0274391B1 (de)
JP (1) JPH0666018B2 (de)
CA (1) CA1288982C (de)
DE (1) DE3888983T2 (de)

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US5032007A (en) * 1988-04-07 1991-07-16 Honeywell, Inc. Apparatus and method for an electronically controlled color filter for use in information display applications
US5298892A (en) * 1988-07-21 1994-03-29 Proxima Corporation Stacked display panel construction and method of making same
US5153568A (en) * 1988-07-21 1992-10-06 Proxima Corporation Liquid crystal display panel system and method of using same
US5302946A (en) * 1988-07-21 1994-04-12 Leonid Shapiro Stacked display panel construction and method of making same
US5089810A (en) * 1990-04-09 1992-02-18 Computer Accessories Corporation Stacked display panel construction and method of making same
US5272553A (en) * 1988-10-28 1993-12-21 Sharp Kabushiki Kaisha Projection type liquid crystal display device with twisted nematic liquid crystal layers
JP2756514B2 (ja) * 1988-12-09 1998-05-25 ホシデン・フィリップス・ディスプレイ株式会社 プロジェクション装置
US4917465A (en) * 1989-03-28 1990-04-17 In Focus Systems, Inc. Color display system
USRE36654E (en) * 1989-03-28 2000-04-11 In Focus Systems, Inc. Stacked LCD color display
EP0388976A3 (de) * 1989-03-28 1991-06-05 In Focus Systems, Inc. Farbanzeige
US5050965A (en) * 1989-09-01 1991-09-24 In Focus Systems, Inc. Color display using supertwisted nematic liquid crystal material
US4966441A (en) * 1989-03-28 1990-10-30 In Focus Systems, Inc. Hybrid color display system
DE4007505A1 (de) * 1990-03-09 1991-09-12 Grunwald Projektoren Ag Projektor fuer die farbprojektion von mittels lcd-modulen erzeugten bildern
JPH04251219A (ja) * 1990-04-09 1992-09-07 Proxima Corp スタック形ディスプレーパネル及びその製造方法
US5122887A (en) * 1991-03-05 1992-06-16 Sayett Group, Inc. Color display utilizing twisted nematic LCDs and selective polarizers
AU1573092A (en) * 1991-03-12 1992-10-21 Proxima Corporation Display image control system and method of adjusting same
JP2829149B2 (ja) * 1991-04-10 1998-11-25 シャープ株式会社 液晶表示装置
DE4115145A1 (de) * 1991-05-08 1992-11-12 Zeiss Carl Fa Sehpruefsystem
JPH0527255A (ja) * 1991-07-19 1993-02-05 Sharp Corp 光変調素子およびそれを用いる電子装置
JPH05127189A (ja) * 1991-11-07 1993-05-25 Hitachi Ltd カラー表示装置
US5325218A (en) * 1992-12-31 1994-06-28 Minnesota Mining And Manufacturing Company Cholesteric polarizer for liquid crystal display and overhead projector
US5371618A (en) * 1993-01-05 1994-12-06 Brite View Technologies Color liquid crystal display employing dual cells driven with an EXCLUSIVE OR relationship
ATE210842T1 (de) * 1993-02-03 2001-12-15 Horst Prehn Verfahren und vorrichtung zur modulation von bildern für die darstellung optischer effekte
WO1995009378A1 (fr) * 1993-09-30 1995-04-06 Citizen Watch Co., Ltd. Projecteur a cristaux liquides
JPH07230078A (ja) * 1993-12-20 1995-08-29 Kansei Corp 液晶表示装置
JPH0843760A (ja) * 1994-07-29 1996-02-16 Olympus Optical Co Ltd 眼球投影型映像表示装置
JPH08160374A (ja) * 1994-12-01 1996-06-21 Mitsubishi Electric Corp プロジェクタ装置
US6882384B1 (en) * 1995-05-23 2005-04-19 Colorlink, Inc. Color filters and sequencers using color selective light modulators
US5719650A (en) * 1995-05-12 1998-02-17 Massachusetts Institute Of Technology High-fidelity spatial light modulator
US5799231A (en) * 1996-07-25 1998-08-25 International Business Machines Corporation Variable index distributed mirror
US5920298A (en) * 1996-12-19 1999-07-06 Colorado Microdisplay, Inc. Display system having common electrode modulation
US6046716A (en) * 1996-12-19 2000-04-04 Colorado Microdisplay, Inc. Display system having electrode modulation to alter a state of an electro-optic layer
US6078303A (en) * 1996-12-19 2000-06-20 Colorado Microdisplay, Inc. Display system having electrode modulation to alter a state of an electro-optic layer
US5722752A (en) * 1997-01-10 1998-03-03 In Focus Systems, Inc. Multimedia projection system with image quality correction
AU2002336341A1 (en) 2002-02-20 2003-09-09 Planar Systems, Inc. Light sensitive display
US7009663B2 (en) 2003-12-17 2006-03-07 Planar Systems, Inc. Integrated optical light sensitive active matrix liquid crystal display
US7053967B2 (en) * 2002-05-23 2006-05-30 Planar Systems, Inc. Light sensitive display
AU2003216481A1 (en) * 2002-03-01 2003-09-16 Planar Systems, Inc. Reflection resistant touch screens
US20080084374A1 (en) 2003-02-20 2008-04-10 Planar Systems, Inc. Light sensitive display
US7495722B2 (en) * 2003-12-15 2009-02-24 Genoa Color Technologies Ltd. Multi-color liquid crystal display
WO2005057532A2 (en) * 2003-12-15 2005-06-23 Genoa Color Technologies Ltd. Multi-primary liquid crystal display
US20050134749A1 (en) * 2003-12-19 2005-06-23 Adiel Abileah Reflection resistant display
US7773139B2 (en) 2004-04-16 2010-08-10 Apple Inc. Image sensor with photosensitive thin film transistors
US20060045240A1 (en) * 2004-08-31 2006-03-02 Buchner Gregory C Method and apparatus for delayed answering of telecommunications request
KR100729855B1 (ko) * 2005-08-19 2007-06-18 엘지전자 주식회사 유기 전계 발광 소자
WO2007060672A2 (en) * 2005-11-28 2007-05-31 Genoa Color Technologies Ltd. Sub-pixel rendering of a multiprimary image
US9310923B2 (en) 2010-12-03 2016-04-12 Apple Inc. Input device for touch sensitive devices
US9329703B2 (en) 2011-06-22 2016-05-03 Apple Inc. Intelligent stylus
US8928635B2 (en) 2011-06-22 2015-01-06 Apple Inc. Active stylus
US8638320B2 (en) 2011-06-22 2014-01-28 Apple Inc. Stylus orientation detection
US9557845B2 (en) 2012-07-27 2017-01-31 Apple Inc. Input device for and method of communication with capacitive devices through frequency variation
US9176604B2 (en) 2012-07-27 2015-11-03 Apple Inc. Stylus device
US9652090B2 (en) 2012-07-27 2017-05-16 Apple Inc. Device for digital communication through capacitive coupling
US10048775B2 (en) 2013-03-14 2018-08-14 Apple Inc. Stylus detection and demodulation
US10067580B2 (en) 2013-07-31 2018-09-04 Apple Inc. Active stylus for use with touch controller architecture
US10067618B2 (en) 2014-12-04 2018-09-04 Apple Inc. Coarse scan and targeted active mode scan for touch
US10474277B2 (en) 2016-05-31 2019-11-12 Apple Inc. Position-based stylus communication
US10866429B2 (en) * 2017-01-24 2020-12-15 Gary Sharp Innovations, Llc Tunable color enhancement filter

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3703329A (en) * 1969-12-29 1972-11-21 Rca Corp Liquid crystal color display
JPS53101296A (en) * 1977-02-16 1978-09-04 Seiko Epson Corp Display unit
US4097130A (en) * 1977-03-11 1978-06-27 General Electric Company Multi-colored liquid crystal displays
JPS53131799A (en) * 1977-04-22 1978-11-16 Seiko Instr & Electronics Ltd Color liquid crystal display device
JPS5651718A (en) * 1979-10-03 1981-05-09 Sanyo Electric Co Ltd Color liquid crystal display device
US4758818A (en) * 1983-09-26 1988-07-19 Tektronix, Inc. Switchable color filter and field sequential full color display system incorporating same
JPS60169827A (ja) * 1984-02-13 1985-09-03 Sharp Corp 液晶プロジエクシヨン装置
US4613207A (en) * 1984-05-08 1986-09-23 Manchester R & D Partnership Liquid crystal projector and method

Also Published As

Publication number Publication date
CA1288982C (en) 1991-09-17
JPS63170614A (ja) 1988-07-14
US4838655A (en) 1989-06-13
JPH0666018B2 (ja) 1994-08-24
EP0274391A2 (de) 1988-07-13
EP0274391A3 (en) 1990-01-10
DE3888983D1 (de) 1994-05-19
EP0274391B1 (de) 1994-04-13

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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