JP4077216B2 - 色分離素子及び作像光学エンジン及び投影装置 - Google Patents

色分離素子及び作像光学エンジン及び投影装置 Download PDF

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Publication number
JP4077216B2
JP4077216B2 JP2002053661A JP2002053661A JP4077216B2 JP 4077216 B2 JP4077216 B2 JP 4077216B2 JP 2002053661 A JP2002053661 A JP 2002053661A JP 2002053661 A JP2002053661 A JP 2002053661A JP 4077216 B2 JP4077216 B2 JP 4077216B2
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Japan
Prior art keywords
light
color
separation element
polarization
wavelength
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Expired - Fee Related
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JP2002053661A
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English (en)
Japanese (ja)
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JP2003255128A (ja
JP2003255128A5 (enExample
Inventor
和弘 藤田
佐敏 山内
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Ricoh Co Ltd
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Ricoh Co Ltd
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Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP2002053661A priority Critical patent/JP4077216B2/ja
Priority to US10/328,006 priority patent/US6905211B2/en
Publication of JP2003255128A publication Critical patent/JP2003255128A/ja
Priority to US11/114,108 priority patent/US7185989B2/en
Publication of JP2003255128A5 publication Critical patent/JP2003255128A5/ja
Priority to US11/672,688 priority patent/US7824037B2/en
Application granted granted Critical
Publication of JP4077216B2 publication Critical patent/JP4077216B2/ja
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Expired - Fee Related legal-status Critical Current

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    • 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]
    • H04N9/3141—Constructional details thereof
    • H04N9/315—Modulator illumination systems
    • H04N9/3167—Modulator illumination systems for polarizing the light beam
    • 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
    • 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
    • G03B33/00—Colour photography, other than mere exposure or projection of a colour film
    • G03B33/10—Simultaneous recording or projection
    • G03B33/12—Simultaneous recording or projection using beam-splitting or beam-combining systems, e.g. dichroic mirrors
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Projection Apparatus (AREA)
  • Liquid Crystal (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Polarising Elements (AREA)
JP2002053661A 2001-12-28 2002-02-28 色分離素子及び作像光学エンジン及び投影装置 Expired - Fee Related JP4077216B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2002053661A JP4077216B2 (ja) 2001-12-28 2002-02-28 色分離素子及び作像光学エンジン及び投影装置
US10/328,006 US6905211B2 (en) 2001-12-28 2002-12-26 Color separation device, imaging optical engine, and projection apparatus
US11/114,108 US7185989B2 (en) 2001-12-28 2005-04-26 Color separation device, imaging optical engine, and projection apparatus
US11/672,688 US7824037B2 (en) 2001-12-28 2007-02-08 Color separation device, imaging optical engine, and projection apparatus

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2001401496 2001-12-28
JP2001-401496 2001-12-28
JP2002053661A JP4077216B2 (ja) 2001-12-28 2002-02-28 色分離素子及び作像光学エンジン及び投影装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2007340108A Division JP2008134651A (ja) 2001-12-28 2007-12-28 色分離素子及び作像光学エンジン及び投影装置

Publications (3)

Publication Number Publication Date
JP2003255128A JP2003255128A (ja) 2003-09-10
JP2003255128A5 JP2003255128A5 (enExample) 2005-08-04
JP4077216B2 true JP4077216B2 (ja) 2008-04-16

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JP2002053661A Expired - Fee Related JP4077216B2 (ja) 2001-12-28 2002-02-28 色分離素子及び作像光学エンジン及び投影装置

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Country Link
US (3) US6905211B2 (enExample)
JP (1) JP4077216B2 (enExample)

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JP6465594B2 (ja) * 2014-09-03 2019-02-06 キヤノン株式会社 色分離合成系およびこれを用いた投射型表示装置
JP6525560B2 (ja) * 2014-11-26 2019-06-05 キヤノン株式会社 光学装置および画像投射装置
CN107209443A (zh) * 2015-02-05 2017-09-26 索尼公司 投影仪、功能性滤光器和替代玻璃板
CN107533278B (zh) * 2015-04-30 2020-11-13 索尼公司 投影显示装置
JP6206560B2 (ja) * 2015-09-28 2017-10-04 株式会社リコー システム
JP6812716B2 (ja) * 2016-09-27 2021-01-13 セイコーエプソン株式会社 照明装置及びプロジェクター
CN110944161B (zh) 2018-09-21 2021-11-05 深圳光峰科技股份有限公司 投影系统及投影显示方法
CN110191327B (zh) * 2019-06-05 2022-02-15 南华智能精密机器(深圳)有限公司 一种两片式lcd投影机
CN110702218B (zh) * 2019-09-29 2021-07-20 中国科学院空间应用工程与技术中心 一种激光光束指向测量装置和方法
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Also Published As

Publication number Publication date
US6905211B2 (en) 2005-06-14
US20070126991A1 (en) 2007-06-07
US7185989B2 (en) 2007-03-06
JP2003255128A (ja) 2003-09-10
US20030147051A1 (en) 2003-08-07
US20050185141A1 (en) 2005-08-25
US7824037B2 (en) 2010-11-02

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