DE69108186T2 - Anzeigevorrichtung. - Google Patents

Anzeigevorrichtung.

Info

Publication number
DE69108186T2
DE69108186T2 DE69108186T DE69108186T DE69108186T2 DE 69108186 T2 DE69108186 T2 DE 69108186T2 DE 69108186 T DE69108186 T DE 69108186T DE 69108186 T DE69108186 T DE 69108186T DE 69108186 T2 DE69108186 T2 DE 69108186T2
Authority
DE
Germany
Prior art keywords
splitter
display device
strikes
reflector
mirror
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
DE69108186T
Other languages
English (en)
Other versions
DE69108186D1 (de
Inventor
Graham Leslie Wright
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.)
Central Research Laboratories Ltd
Original Assignee
Thorn EMI PLC
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 Thorn EMI PLC filed Critical Thorn EMI PLC
Application granted granted Critical
Publication of DE69108186D1 publication Critical patent/DE69108186D1/de
Publication of DE69108186T2 publication Critical patent/DE69108186T2/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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133553—Reflecting elements
    • 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
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/10—Projectors with built-in or built-on screen
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • G03B21/60—Projection screens characterised by the nature of the surface
    • G03B21/62—Translucent screens
    • G03B21/625—Lenticular translucent screens
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
    • H04N5/7408—Direct viewing projectors, e.g. an image displayed on a video CRT or LCD display being projected on a screen
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • 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
    • G02F1/133524—Light-guides, e.g. fibre-optic bundles, louvered or jalousie light-guides
DE69108186T 1990-11-30 1991-11-21 Anzeigevorrichtung. Expired - Fee Related DE69108186T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909026151A GB9026151D0 (en) 1990-11-30 1990-11-30 Display device

Publications (2)

Publication Number Publication Date
DE69108186D1 DE69108186D1 (de) 1995-04-20
DE69108186T2 true DE69108186T2 (de) 1995-09-28

Family

ID=10686317

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69108186T Expired - Fee Related DE69108186T2 (de) 1990-11-30 1991-11-21 Anzeigevorrichtung.

Country Status (7)

Country Link
US (1) US5184238A (de)
EP (1) EP0488590B1 (de)
JP (1) JPH04293031A (de)
AT (1) ATE120017T1 (de)
CA (1) CA2056078A1 (de)
DE (1) DE69108186T2 (de)
GB (1) GB9026151D0 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5594561A (en) * 1993-03-31 1997-01-14 Palomar Technologies Corporation Flat panel display with elliptical diffuser and fiber optic plate
EP0618476A1 (de) * 1993-03-31 1994-10-05 Hughes Aircraft Company Durchlicht-Projektionsschirm mit Unterdrückung von ausser-axialem Sonnenlicht
US6483612B2 (en) 1998-04-15 2002-11-19 Duke University Projection screen apparatus including holographic optical element
BE1007864A3 (nl) * 1993-12-10 1995-11-07 Philips Electronics Nv Beeldprojectiesysteem.
US5808704A (en) * 1994-01-17 1998-09-15 Hitachi, Ltd. Rear projection type image display apparatus
GB2316261B (en) * 1994-01-17 1998-06-24 Hitachi Ltd Rear projection type image display apparatus
US5879067A (en) * 1994-05-25 1999-03-09 De Vaan; Adrianus J. S. M. Image projection system
FR2732783B1 (fr) * 1995-04-07 1997-05-16 Thomson Csf Dispositif compact de retroprojection
CA2193790C (en) 1995-12-29 2001-03-13 Duke University Projecting images
US6181386B1 (en) 1995-12-29 2001-01-30 Duke University Projecting images
US5771321A (en) * 1996-01-04 1998-06-23 Massachusetts Institute Of Technology Micromechanical optical switch and flat panel display
US5975703A (en) * 1996-09-30 1999-11-02 Digital Optics International Image projection system
US6390626B2 (en) 1996-10-17 2002-05-21 Duke University Image projection system engine assembly
US5844722A (en) * 1997-06-05 1998-12-01 Hughes-Jvc Technology Corporation Internal aperture mask for embedded optics
FR2764462A1 (fr) 1997-06-10 1998-12-11 Thomson Multimedia Sa Perfectionnement aux systemes de projection
US6204901B1 (en) 1997-07-31 2001-03-20 Duke University Liquid crystal color shutters that include reflective polarizers that pass color components of light of a first polarization and that reflect a majority of color components of light of a second polarization
US6967779B2 (en) 1998-04-15 2005-11-22 Bright View Technologies, Inc. Micro-lens array with precisely aligned aperture mask and methods of producing same
US6185041B1 (en) 1998-10-23 2001-02-06 Duke University Projection lens and system
US6172816B1 (en) 1998-10-23 2001-01-09 Duke University Optical component adjustment for mitigating tolerance sensitivities
US6907183B1 (en) * 1999-06-30 2005-06-14 Kabushiki Kaisha Toshiba Display device and display method
US8348489B2 (en) 2008-01-30 2013-01-08 Qualcomm Mems Technologies, Inc. Thin illumination system
US8721149B2 (en) 2008-01-30 2014-05-13 Qualcomm Mems Technologies, Inc. Illumination device having a tapered light guide
JP2020013037A (ja) * 2018-07-19 2020-01-23 Ｇａｔｅｂｏｘ株式会社 投影装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE136899C (de) *
US4033672A (en) * 1971-11-24 1977-07-05 Ing. C. Olivetti & C., S.P.A. Ufficio Brevetti Liquid crystal devices
US3947091A (en) * 1974-09-19 1976-03-30 Rockwell International Corporation Reflective display apparatus
US3941467A (en) * 1974-10-29 1976-03-02 Kaptron, Inc. Optical projector/reader
CH591705A5 (de) * 1975-10-28 1977-09-30 Bbc Brown Boveri & Cie
JPS5383498A (en) * 1976-12-28 1978-07-22 Seiko Epson Corp Liquid crystal display device
DE3102626A1 (de) * 1981-01-27 1982-08-19 Siemens AG, 1000 Berlin und 8000 München "passive elektrooptische anzeigevorrichtung"
JPS60117215A (ja) * 1983-11-29 1985-06-24 Sharp Corp 液晶表示装置
NL8600684A (nl) * 1986-03-18 1987-10-16 Philips Nv Kompakt doorzichtprojektiesysteem met scheef invallende lichtbundel.
US4822145A (en) * 1986-05-14 1989-04-18 Massachusetts Institute Of Technology Method and apparatus utilizing waveguide and polarized light for display of dynamic images
US4913528A (en) * 1987-05-30 1990-04-03 Pioneer Electronic Corporation Optical prism, and projection television set using same
JP2569632B2 (ja) * 1987-11-26 1997-01-08 カシオ計算機株式会社 背面投影型ディスプレイ
GB8804402D0 (en) * 1988-02-25 1988-03-23 Emi Plc Thorn Display device

Also Published As

Publication number Publication date
US5184238A (en) 1993-02-02
EP0488590B1 (de) 1995-03-15
GB9026151D0 (en) 1991-01-16
DE69108186D1 (de) 1995-04-20
EP0488590A1 (de) 1992-06-03
ATE120017T1 (de) 1995-04-15
JPH04293031A (ja) 1992-10-16
CA2056078A1 (en) 1992-05-31

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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
8327 Change in the person/name/address of the patent owner

Owner name: CENTRAL RESEARCH LABORATORIES LTD., HAYES, MIDDLES