JP4508232B2 - プロジェクタ - Google Patents

プロジェクタ Download PDF

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Publication number
JP4508232B2
JP4508232B2 JP2007313144A JP2007313144A JP4508232B2 JP 4508232 B2 JP4508232 B2 JP 4508232B2 JP 2007313144 A JP2007313144 A JP 2007313144A JP 2007313144 A JP2007313144 A JP 2007313144A JP 4508232 B2 JP4508232 B2 JP 4508232B2
Authority
JP
Japan
Prior art keywords
light
color
optical system
dichroic mirror
projector
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
JP2007313144A
Other languages
English (en)
Japanese (ja)
Other versions
JP2008268857A (ja
Inventor
康永 宮澤
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.)
Seiko Epson Corp
Original Assignee
Seiko Epson Corp
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 Seiko Epson Corp filed Critical Seiko Epson Corp
Priority to JP2007313144A priority Critical patent/JP4508232B2/ja
Priority to US12/050,578 priority patent/US7959299B2/en
Publication of JP2008268857A publication Critical patent/JP2008268857A/ja
Application granted granted Critical
Publication of JP4508232B2 publication Critical patent/JP4508232B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • H04N9/3164—Modulator illumination systems using multiple light sources
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Liquid Crystal (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
JP2007313144A 2007-03-22 2007-12-04 プロジェクタ Expired - Fee Related JP4508232B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2007313144A JP4508232B2 (ja) 2007-03-22 2007-12-04 プロジェクタ
US12/050,578 US7959299B2 (en) 2007-03-22 2008-03-18 Projector having reduced color shading

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007074140 2007-03-22
JP2007313144A JP4508232B2 (ja) 2007-03-22 2007-12-04 プロジェクタ

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2009108180A Division JP5056793B2 (ja) 2007-03-22 2009-04-27 プロジェクタ

Publications (2)

Publication Number Publication Date
JP2008268857A JP2008268857A (ja) 2008-11-06
JP4508232B2 true JP4508232B2 (ja) 2010-07-21

Family

ID=40048389

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2007313144A Expired - Fee Related JP4508232B2 (ja) 2007-03-22 2007-12-04 プロジェクタ
JP2009108180A Expired - Fee Related JP5056793B2 (ja) 2007-03-22 2009-04-27 プロジェクタ

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2009108180A Expired - Fee Related JP5056793B2 (ja) 2007-03-22 2009-04-27 プロジェクタ

Country Status (2)

Country Link
US (1) US7959299B2 (https=)
JP (2) JP4508232B2 (https=)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8979272B2 (en) * 2004-11-29 2015-03-17 Samsung Display Co., Ltd. Multi-primary color display
US7973750B2 (en) * 2007-04-18 2011-07-05 Seiko Epson Corporation Projector with dual image formation units and greyscale
JP2010204333A (ja) * 2009-03-03 2010-09-16 Seiko Epson Corp プロジェクター
JP2010217818A (ja) * 2009-03-19 2010-09-30 Panasonic Corp 投写型表示装置
JP2010243545A (ja) * 2009-04-01 2010-10-28 Seiko Epson Corp プロジェクターの光変調素子位置調整方法およびプロジェクター
JP6156722B2 (ja) * 2013-02-05 2017-07-05 Ｚｅｒｏ Ｌａｂ株式会社 アレイ光源、アレイ光源を用いた照明光学系
CN107076400A (zh) * 2014-09-22 2017-08-18 飞利浦照明控股有限公司 多级照明设备

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0752262B2 (ja) 1987-11-11 1995-06-05 株式会社日立製作所 ６板式液晶プロジェクタ
JPH02153336A (ja) * 1988-12-05 1990-06-13 Sharp Corp 投影型液晶表示装置
JPH0767060B2 (ja) 1989-10-03 1995-07-19 国際電気株式会社 単一モード２端子対弾性表面波共振子および弾性表面波フィルタ
JPH03119816U (https=) * 1990-03-23 1991-12-10
JPH03294841A (ja) * 1990-04-13 1991-12-26 Sharp Corp 液晶プロジェクター
JPH04175744A (ja) * 1990-11-08 1992-06-23 Sharp Corp 液晶プロジェクション装置
JPH05107639A (ja) 1991-10-18 1993-04-30 Fujitsu General Ltd 投射型液晶プロジエクタ
JPH05224173A (ja) * 1992-02-15 1993-09-03 Fujitsu General Ltd 液晶投写型表示装置
JPH05224172A (ja) * 1992-02-15 1993-09-03 Fujitsu General Ltd 液晶投写型表示装置
KR100219638B1 (ko) * 1997-05-27 1999-09-01 윤종용 반사형 프로젝트 장치
CN1717715A (zh) * 2002-07-24 2006-01-04 吉诺彩色技术有限公司 高亮度宽色域显示
JP2006259255A (ja) * 2005-03-17 2006-09-28 Seiko Epson Corp プロジェクタ
JP2006352203A (ja) * 2005-06-13 2006-12-28 Seiko Epson Corp プロジェクタ
US7973750B2 (en) * 2007-04-18 2011-07-05 Seiko Epson Corporation Projector with dual image formation units and greyscale
JP4353287B2 (ja) * 2007-07-02 2009-10-28 セイコーエプソン株式会社 プロジェクタ
JP2010204333A (ja) * 2009-03-03 2010-09-16 Seiko Epson Corp プロジェクター

Also Published As

Publication number Publication date
JP5056793B2 (ja) 2012-10-24
US7959299B2 (en) 2011-06-14
JP2008268857A (ja) 2008-11-06
JP2009230148A (ja) 2009-10-08
US20090002633A1 (en) 2009-01-01

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