HK1055622A1 - Polarizing unit, polarizing illumination device using same polarizing unit and projection display device using same polarizing illumination device - Google Patents

Polarizing unit, polarizing illumination device using same polarizing unit and projection display device using same polarizing illumination device

Info

Publication number
HK1055622A1
HK1055622A1 HK03107878A HK03107878A HK1055622A1 HK 1055622 A1 HK1055622 A1 HK 1055622A1 HK 03107878 A HK03107878 A HK 03107878A HK 03107878 A HK03107878 A HK 03107878A HK 1055622 A1 HK1055622 A1 HK 1055622A1
Authority
HK
Hong Kong
Prior art keywords
polarizing
illumination device
same
unit
projection display
Prior art date
Application number
HK03107878A
Other languages
English (en)
Inventor
Atsushi Kato
Original Assignee
Nec Viewtechnology 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 Nec Viewtechnology Ltd filed Critical Nec Viewtechnology Ltd
Publication of HK1055622A1 publication Critical patent/HK1055622A1/xx

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
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • 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
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938—Using specific optical elements
    • G02B27/0994—Fibers, light pipes
    • 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
    • G03B21/005—Projectors using an electronic spatial light modulator but not peculiar thereto
    • G03B21/006—Projectors using an electronic spatial light modulator but not peculiar thereto using LCD's
    • 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
    • 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
    • G03B21/20—Lamp housings
    • G03B21/2073—Polarisers in the lamp house
    • 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
    • G03B21/20—Lamp housings
    • G03B21/208—Homogenising, shaping of the illumination light

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Projection Apparatus (AREA)
  • Liquid Crystal (AREA)
  • Polarising Elements (AREA)
  • Microscoopes, Condenser (AREA)
HK03107878A 2001-11-02 2003-10-31 Polarizing unit, polarizing illumination device using same polarizing unit and projection display device using same polarizing illumination device HK1055622A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001337827 2001-11-02
JP2002207553A JP2003202523A (ja) 2001-11-02 2002-07-16 偏光ユニット、該偏光ユニットを用いた偏光照明装置及び該偏光照明装置を用いた投写型表示装置

Publications (1)

Publication Number Publication Date
HK1055622A1 true HK1055622A1 (en) 2004-01-16

Family

ID=26624315

Family Applications (1)

Application Number Title Priority Date Filing Date
HK03107878A HK1055622A1 (en) 2001-11-02 2003-10-31 Polarizing unit, polarizing illumination device using same polarizing unit and projection display device using same polarizing illumination device

Country Status (5)

Country Link
US (1) US6698891B2 (xx)
JP (1) JP2003202523A (xx)
KR (1) KR100482233B1 (xx)
CN (1) CN1210584C (xx)
HK (1) HK1055622A1 (xx)

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US7298940B2 (en) * 2003-06-10 2007-11-20 Abu-Ageel Nayef M Illumination system and display system employing same
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JP4910354B2 (ja) * 2005-10-04 2012-04-04 セイコーエプソン株式会社 均一化光学素子、照明装置及びプロジェクタ
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Also Published As

Publication number Publication date
US20030086066A1 (en) 2003-05-08
KR100482233B1 (ko) 2005-04-14
CN1415980A (zh) 2003-05-07
US6698891B2 (en) 2004-03-02
KR20030036105A (ko) 2003-05-09
CN1210584C (zh) 2005-07-13
JP2003202523A (ja) 2003-07-18

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PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20091104