JP3967944B2 - 光バルブプロジェクタ - Google Patents

光バルブプロジェクタ Download PDF

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Publication number
JP3967944B2
JP3967944B2 JP2002083442A JP2002083442A JP3967944B2 JP 3967944 B2 JP3967944 B2 JP 3967944B2 JP 2002083442 A JP2002083442 A JP 2002083442A JP 2002083442 A JP2002083442 A JP 2002083442A JP 3967944 B2 JP3967944 B2 JP 3967944B2
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JP
Japan
Prior art keywords
color
light
lens array
lens
light valve
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
JP2002083442A
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English (en)
Japanese (ja)
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JP2003021869A5 (cg-RX-API-DMAC10.html
JP2003021869A (ja
Inventor
ローレンス・エム・ハビー・ジュニア
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.)
HP Inc
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of JP2003021869A publication Critical patent/JP2003021869A/ja
Publication of JP2003021869A5 publication Critical patent/JP2003021869A5/ja
Application granted granted Critical
Publication of JP3967944B2 publication Critical patent/JP3967944B2/ja
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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
    • G02B27/1033—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 having a single light modulator for all colour channels
    • 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
    • G02B27/1073—Beam splitting or combining systems characterized by manufacturing or alignment methods
    • 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
    • G02B27/12—Beam splitting or combining systems operating by refraction only
    • G02B27/123—The splitting element being a lens or a system of lenses, including arrays and surfaces with refractive power
    • 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
    • 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
    • H04N9/3108—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 by using a single electronic spatial light modulator

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Manufacturing & Machinery (AREA)
  • Liquid Crystal (AREA)
  • Projection Apparatus (AREA)
JP2002083442A 2001-03-30 2002-03-25 光バルブプロジェクタ Expired - Fee Related JP3967944B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/823,675 US6498686B2 (en) 2001-03-30 2001-03-30 Single light valve projector with reduced sequential color artifacts
US09/823675 2001-03-30

Publications (3)

Publication Number Publication Date
JP2003021869A JP2003021869A (ja) 2003-01-24
JP2003021869A5 JP2003021869A5 (cg-RX-API-DMAC10.html) 2005-04-07
JP3967944B2 true JP3967944B2 (ja) 2007-08-29

Family

ID=25239392

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002083442A Expired - Fee Related JP3967944B2 (ja) 2001-03-30 2002-03-25 光バルブプロジェクタ

Country Status (2)

Country Link
US (1) US6498686B2 (cg-RX-API-DMAC10.html)
JP (1) JP3967944B2 (cg-RX-API-DMAC10.html)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7081928B2 (en) * 2001-05-16 2006-07-25 Hewlett-Packard Development Company, L.P. Optical system for full color, video projector using single light valve with plural sub-pixel reflectors
US6636292B2 (en) * 2001-09-05 2003-10-21 Eastman Kodak Company Printing apparatus for photosensitive media having a hybrid light source
US7230657B2 (en) * 2002-05-03 2007-06-12 Hewlett-Packard Development Company, L.P. Light emitting device projection methods and systems
WO2004105376A2 (en) * 2003-05-20 2004-12-02 Clairvoyante, Inc. Improved image processing, rendering, and capture systems and methods
US7268748B2 (en) 2003-05-20 2007-09-11 Clairvoyante, Inc Subpixel rendering for cathode ray tube devices
US20070001951A1 (en) * 2005-06-29 2007-01-04 Intel Corporation Field-sequential color architecture for low-power liquid crystal displays
US7543943B1 (en) 2005-10-28 2009-06-09 Hewlett-Packard Development Company, L.P. Color permuting light projector

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5061049A (en) 1984-08-31 1991-10-29 Texas Instruments Incorporated Spatial light modulator and method
US4615595A (en) 1984-10-10 1986-10-07 Texas Instruments Incorporated Frame addressed spatial light modulator
JP2939826B2 (ja) * 1990-09-03 1999-08-25 日本電信電話株式会社 投影表示装置
WO1993011452A1 (en) * 1991-11-25 1993-06-10 Magnascreen Corporation Microprojection display system with fiber-optic illuminator, and method of display and illumination
EP0627644B1 (en) * 1993-06-01 2001-11-28 Sharp Kabushiki Kaisha Image display device with backlighting
US5715029A (en) 1994-10-25 1998-02-03 Fergason; James L. Optical dithering system using birefringence for optical displays and method
US6243055B1 (en) * 1994-10-25 2001-06-05 James L. Fergason Optical display system and method with optical shifting of pixel position including conversion of pixel layout to form delta to stripe pattern by time base multiplexing
JPH10512684A (ja) * 1994-10-25 1998-12-02 ジェームズ エル ファーガソン 光ディスプレイシステム及び方法、複屈折を使用する能動及び受動ディザリング、カラーイメージ重ね合わせ、及びディスプレイ強調
JP3631296B2 (ja) * 1995-04-04 2005-03-23 三菱電機株式会社 画像生成装置
US5835256A (en) 1995-06-19 1998-11-10 Reflectivity, Inc. Reflective spatial light modulator with encapsulated micro-mechanical elements
US5959704A (en) * 1996-02-08 1999-09-28 Fujitsu Limited Display device having diffraction grating
IT1285368B1 (it) * 1996-05-27 1998-06-03 Fiat Ricerche Dispositivo a microfiltri e microchopper per la selezione dinamica di colori ed immagini.
US5971546A (en) * 1996-06-15 1999-10-26 Lg Electronics Inc. Image display device
JPH10260375A (ja) * 1997-01-17 1998-09-29 Internatl Business Mach Corp <Ibm> 液晶プロジェクタおよびその駆動方法
JP3779052B2 (ja) * 1997-12-17 2006-05-24 株式会社半導体エネルギー研究所 液晶プロジェクタ
US6005722A (en) 1998-09-04 1999-12-21 Hewlett-Packard Company Optical display system including a light valve
JP2000098296A (ja) * 1998-09-17 2000-04-07 Sharp Corp 投影型カラー画像表示装置
JP2000258726A (ja) * 1999-03-05 2000-09-22 Minolta Co Ltd 照明光学装置及びそれを用いた表示光学装置
US6327093B1 (en) * 1999-06-04 2001-12-04 Sharp Kabushiki Kaisha Image display apparatus

Also Published As

Publication number Publication date
JP2003021869A (ja) 2003-01-24
US6498686B2 (en) 2002-12-24
US20020141069A1 (en) 2002-10-03

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