WO2000038432A3 - Optical assembly for reflective light valves - Google Patents

Optical assembly for reflective light valves Download PDF

Info

Publication number
WO2000038432A3
WO2000038432A3 PCT/GB1999/004369 GB9904369W WO0038432A3 WO 2000038432 A3 WO2000038432 A3 WO 2000038432A3 GB 9904369 W GB9904369 W GB 9904369W WO 0038432 A3 WO0038432 A3 WO 0038432A3
Authority
WO
WIPO (PCT)
Prior art keywords
light valves
reflective light
optical assembly
compact
prisms
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.)
Ceased
Application number
PCT/GB1999/004369
Other languages
French (fr)
Other versions
WO2000038432A2 (en
Inventor
Hoi Sing Kwok
Xu Liu
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.)
Varintelligent BVI Ltd
Original Assignee
Varintelligent BVI 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
Priority claimed from GBGB9828328.6A external-priority patent/GB9828328D0/en
Priority to HK01108859.2A priority Critical patent/HK1038857B/en
Priority to BR9916420-5A priority patent/BR9916420A/en
Priority to DE69921361T priority patent/DE69921361T2/en
Priority to MXPA01006421A priority patent/MXPA01006421A/en
Priority to IL14383799A priority patent/IL143837A0/en
Priority to RU2001117219/09A priority patent/RU2001117219A/en
Priority to AT99962414T priority patent/ATE280472T1/en
Application filed by Varintelligent BVI Ltd filed Critical Varintelligent BVI Ltd
Priority to AU18772/00A priority patent/AU1877200A/en
Priority to JP2000590393A priority patent/JP2003522966A/en
Priority to CA002356555A priority patent/CA2356555A1/en
Priority to EP99962414A priority patent/EP1145565B1/en
Priority to KR1020017008059A priority patent/KR20010089697A/en
Priority to US09/868,473 priority patent/US6561652B1/en
Publication of WO2000038432A2 publication Critical patent/WO2000038432A2/en
Anticipated expiration legal-status Critical
Publication of WO2000038432A3 publication Critical patent/WO2000038432A3/en
Ceased 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
    • G02B27/10—Beam splitting or combining systems
    • G02B27/1006—Beam splitting or combining systems for splitting or combining different wavelengths
    • G02B27/102—Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources
    • G02B27/1026—Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources for use with reflective spatial light modulators
    • 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
    • G02B27/10—Beam splitting or combining systems
    • G02B27/14—Beam splitting or combining systems operating by reflection only
    • G02B27/145—Beam splitting or combining systems operating by reflection only having sequential partially reflecting surfaces
    • 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
    • G02B27/10—Beam splitting or combining systems
    • G02B27/14—Beam splitting or combining systems operating by reflection only
    • G02B27/149—Beam splitting or combining systems operating by reflection only using crossed beamsplitting surfaces, e.g. cross-dichroic cubes or X-cubes
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Liquid Crystal (AREA)
  • Projection Apparatus (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Particle Accelerators (AREA)
  • Optical Head (AREA)
  • Polarising Elements (AREA)
  • Lasers (AREA)

Abstract

The invention relates to a compact polarization insensitive prism assembly for projection display systems using reflective light valves. The systems comprising a trichroic prism assembly of three coated prisms, and a specially shaped, trapezoidal in the embodiment, beam splitter. The angles of the prisms are optimised for best colour separation and recombining with the least polarization insensitivity. The assembly forms a compact and spectrally efficient optical arrangement for reflective LCD projectors.
PCT/GB1999/004369 1998-12-22 1999-12-22 Optical assembly for reflective light valves Ceased WO2000038432A2 (en)

Priority Applications (13)

Application Number Priority Date Filing Date Title
US09/868,473 US6561652B1 (en) 1998-12-22 1999-12-22 Optical assembly for reflective light valves
AU18772/00A AU1877200A (en) 1998-12-22 1999-12-22 Optical assembly for reflective light valves
DE69921361T DE69921361T2 (en) 1998-12-22 1999-12-22 OPTICAL ARRANGEMENT FOR REFLECTIVE LIGHT VALVES
MXPA01006421A MXPA01006421A (en) 1998-12-22 1999-12-22 Optical assembly for reflective light valves.
IL14383799A IL143837A0 (en) 1998-12-22 1999-12-22 Optical assembly for reflective light valves
RU2001117219/09A RU2001117219A (en) 1998-12-22 1999-12-22 Optical system for reflective light valve
AT99962414T ATE280472T1 (en) 1998-12-22 1999-12-22 OPTICAL ARRANGEMENT FOR REFLECTIVE LIGHT VALVES
HK01108859.2A HK1038857B (en) 1998-12-22 1999-12-22 Optical assembly for reflective light valves
JP2000590393A JP2003522966A (en) 1998-12-22 1999-12-22 Optical assembly for reflective light valves
CA002356555A CA2356555A1 (en) 1998-12-22 1999-12-22 Optical assembly for reflective light valves
BR9916420-5A BR9916420A (en) 1998-12-22 1999-12-22 Optical mounting for reflective light valves
EP99962414A EP1145565B1 (en) 1998-12-22 1999-12-22 Optical assembly for reflective light valves
KR1020017008059A KR20010089697A (en) 1998-12-22 1999-12-22 Optical assembly for reflective light valves

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB9828328.6 1998-12-22
GBGB9828328.6A GB9828328D0 (en) 1998-12-22 1998-12-22 Optical assembly for reflective light valves
GB9908777.7 1999-04-16
GBGB9908777.7A GB9908777D0 (en) 1998-12-22 1999-04-16 Optical assembly for reflective light valves

Publications (2)

Publication Number Publication Date
WO2000038432A2 WO2000038432A2 (en) 2000-06-29
WO2000038432A3 true WO2000038432A3 (en) 2002-10-24

Family

ID=26314890

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1999/004369 Ceased WO2000038432A2 (en) 1998-12-22 1999-12-22 Optical assembly for reflective light valves

Country Status (12)

Country Link
US (1) US6561652B1 (en)
EP (1) EP1145565B1 (en)
JP (1) JP2003522966A (en)
CN (1) CN1218585C (en)
AT (1) ATE280472T1 (en)
AU (1) AU1877200A (en)
BR (1) BR9916420A (en)
CA (1) CA2356555A1 (en)
DE (1) DE69921361T2 (en)
IL (1) IL143837A0 (en)
MX (1) MXPA01006421A (en)
WO (1) WO2000038432A2 (en)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6672721B2 (en) * 2001-06-11 2004-01-06 3M Innovative Properties Company Projection system having low astigmatism
DE10136474A1 (en) * 2001-07-27 2003-02-13 Philips Corp Intellectual Pty Electronic circuit for operating an HID lamp and image projector
US7222967B2 (en) * 2001-08-10 2007-05-29 Canon Kabushiki Kaisha Image display optical system and projection type image display apparatus
US6942345B2 (en) * 2001-11-27 2005-09-13 Canon Kabushiki Kaisha Projection type image display apparatus and image display system
US6624949B2 (en) * 2002-02-06 2003-09-23 Eastman Kodak Company Printing apparatus for photosensitive media using dichroic prism in illumination path
BR0316819A (en) * 2002-12-04 2005-10-18 Thomson Licensing Sa Two stage projector architecture
CN100505892C (en) * 2002-12-04 2009-06-24 汤姆森许可贸易公司 Light valve system with enhanced contrast
MXPA05005805A (en) * 2002-12-04 2005-08-16 Thomson Licensing Sa Two-stage projection architecture.
JP4461021B2 (en) * 2002-12-04 2010-05-12 トムソン ライセンシング High contrast stereo projection system
WO2005104565A1 (en) * 2004-03-26 2005-11-03 Thomson Licensing Two-stage projector architecture
US7055969B2 (en) * 2004-04-29 2006-06-06 Hewlett-Packard Development Company, L.P. Reflective optical assembly
CN100434972C (en) * 2004-07-16 2008-11-19 台达电子工业股份有限公司 Color separation prism combination
EP1632804B1 (en) * 2004-09-01 2008-06-04 Barco, naamloze vennootschap. Prism assembly
US7359122B2 (en) * 2005-06-09 2008-04-15 Hewlett-Packard Development Company, L.P. Prism assembly
CN102576153A (en) * 2009-08-17 2012-07-11 3M创新有限公司 Dual total internal reflection polarizing beamsplitter
JP2011227404A (en) * 2010-04-22 2011-11-10 Sony Corp Optical device and projector
DE102011117565A1 (en) 2011-06-28 2013-01-03 blnsight3D GmbH Wavelength-sorted multi-stage color adding unit for six-colored stereo image display, has color adders coupled such that spectral bands are guided in common optical axis, where spectral bands represented in common optical axis are increased
DE102011117568A1 (en) 2011-07-08 2013-01-10 blnsight3D GmbH Three-pair addition method for polarization-encoded three-color six-channel stereo image display system, involves using color-addition system for combining three image beam pairs into combined image beam pair along common optical axis
CN104267567B (en) * 2012-09-28 2017-02-01 深圳市绎立锐光科技开发有限公司 Light source system and related projection system
CN106842790B (en) * 2012-09-28 2019-01-08 深圳市光峰光电技术有限公司 Light-source system and relevant projecting system
CN104267568B (en) * 2012-09-28 2017-11-07 深圳市绎立锐光科技开发有限公司 Light-source system and relevant projecting system
CN103713454B (en) 2012-09-28 2016-12-07 深圳市绎立锐光科技开发有限公司 Light-emitting device and relevant projecting system
CN104216210B (en) * 2012-09-28 2017-01-25 深圳市绎立锐光科技开发有限公司 Light source system and related projection system
CN106154713B (en) * 2015-04-09 2018-05-15 深圳市光峰光电技术有限公司 Light-source system and optical projection system
CN107861242B (en) * 2017-12-20 2019-07-05 嘉兴中润光学科技有限公司 Imaging system with multisensor
CN110161787B (en) * 2018-02-14 2021-08-27 中强光电股份有限公司 Projection device
CN112839150B (en) * 2021-01-04 2022-08-23 杭州科汀光学技术有限公司 Day and night camera system and camera based on Philips prism structure
CN114397255B (en) * 2021-11-12 2023-09-01 中国科学院西安光学精密机械研究所 Wide-spectrum high-resolution video spectrum imaging system and method
JP2023147682A (en) * 2022-03-30 2023-10-13 セイコーエプソン株式会社 Display device and composite display device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4687301A (en) * 1985-07-12 1987-08-18 Hughes Aircraft Company Full-color projector system with a tricolor-separating prism
US4969730A (en) * 1988-10-13 1990-11-13 U.S. Philips Corporation Image projection arrangement
US5644432A (en) * 1995-01-17 1997-07-01 Ibm Corporation Three prism color separator
WO1998014012A1 (en) * 1996-09-26 1998-04-02 Raychem Corporation Angled color dispersement and recombination prism

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6052231A (en) * 1998-01-21 2000-04-18 International Business Machines Corporation Beam dividing elements permitting projection of an image with high contrast
JP2000227635A (en) * 1998-11-30 2000-08-15 Nikon Corp Projection display device
CH695171A5 (en) * 1999-02-04 2005-12-30 Balzers Hochvakuum Light splitter and optical transmitter arrangement with a light splitter.
US6398364B1 (en) * 1999-10-06 2002-06-04 Optical Coating Laboratory, Inc. Off-axis image projection display system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4687301A (en) * 1985-07-12 1987-08-18 Hughes Aircraft Company Full-color projector system with a tricolor-separating prism
US4969730A (en) * 1988-10-13 1990-11-13 U.S. Philips Corporation Image projection arrangement
US5644432A (en) * 1995-01-17 1997-07-01 Ibm Corporation Three prism color separator
WO1998014012A1 (en) * 1996-09-26 1998-04-02 Raychem Corporation Angled color dispersement and recombination prism

Also Published As

Publication number Publication date
HK1038857A1 (en) 2002-03-28
JP2003522966A (en) 2003-07-29
CN1218585C (en) 2005-09-07
EP1145565A2 (en) 2001-10-17
WO2000038432A2 (en) 2000-06-29
US6561652B1 (en) 2003-05-13
DE69921361D1 (en) 2004-11-25
CA2356555A1 (en) 2000-06-29
BR9916420A (en) 2001-10-02
IL143837A0 (en) 2002-04-21
EP1145565B1 (en) 2004-10-20
MXPA01006421A (en) 2005-10-19
CN1439228A (en) 2003-08-27
ATE280472T1 (en) 2004-11-15
DE69921361T2 (en) 2006-03-09
AU1877200A (en) 2000-07-12

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