CN1310522C - 带有定向固定偏振轴偏振分束器的数字图像投影仪 - Google Patents

带有定向固定偏振轴偏振分束器的数字图像投影仪 Download PDF

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Publication number
CN1310522C
CN1310522C CNB028149262A CN02814926A CN1310522C CN 1310522 C CN1310522 C CN 1310522C CN B028149262 A CNB028149262 A CN B028149262A CN 02814926 A CN02814926 A CN 02814926A CN 1310522 C CN1310522 C CN 1310522C
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CN
China
Prior art keywords
polarization
beam splitter
axis
image
light
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
CNB028149262A
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English (en)
Chinese (zh)
Other versions
CN1535539A (zh
Inventor
J·A·施米祖
P·J·M·詹森
S·C·麦克莱恩
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.)
Koninklijke Philips NV
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Koninklijke Philips Electronics NV
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Publication date
Application filed by Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of CN1535539A publication Critical patent/CN1535539A/zh
Application granted granted Critical
Publication of CN1310522C publication Critical patent/CN1310522C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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
    • G03B21/14—Details
    • 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
    • H04N9/3111—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying the colours sequentially, e.g. by using sequentially activated light sources
    • H04N9/3117—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying the colours sequentially, e.g. by using sequentially activated light sources by using a sequential colour filter producing two or more colours simultaneously, e.g. by creating scrolling colour bands
    • 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
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • G02B27/283—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for beam splitting or combining
    • 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
    • H04N5/7416—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal
    • H04N5/7441—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal the modulator being an array of liquid crystal cells

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Polarising Elements (AREA)
  • Projection Apparatus (AREA)
CNB028149262A 2001-06-02 2002-06-03 带有定向固定偏振轴偏振分束器的数字图像投影仪 Expired - Fee Related CN1310522C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/873,883 2001-06-02
US09/873,883 US6511183B2 (en) 2001-06-02 2001-06-02 Digital image projector with oriented fixed-polarization-axis polarizing beamsplitter

Publications (2)

Publication Number Publication Date
CN1535539A CN1535539A (zh) 2004-10-06
CN1310522C true CN1310522C (zh) 2007-04-11

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNB028149262A Expired - Fee Related CN1310522C (zh) 2001-06-02 2002-06-03 带有定向固定偏振轴偏振分束器的数字图像投影仪

Country Status (7)

Country Link
US (2) US6511183B2 (OSRAM)
EP (1) EP1400127A1 (OSRAM)
JP (1) JP2004527804A (OSRAM)
KR (1) KR20040004683A (OSRAM)
CN (1) CN1310522C (OSRAM)
TW (1) TW586028B (OSRAM)
WO (1) WO2002100115A1 (OSRAM)

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Also Published As

Publication number Publication date
US20030081178A1 (en) 2003-05-01
US6896371B2 (en) 2005-05-24
CN1535539A (zh) 2004-10-06
JP2004527804A (ja) 2004-09-09
US6511183B2 (en) 2003-01-28
KR20040004683A (ko) 2004-01-13
EP1400127A1 (en) 2004-03-24
US20020180932A1 (en) 2002-12-05
TW586028B (en) 2004-05-01
WO2002100115A1 (en) 2002-12-12

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