JP5517679B2 - 投写型表示装置 - Google Patents

投写型表示装置 Download PDF

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Publication number
JP5517679B2
JP5517679B2 JP2010047238A JP2010047238A JP5517679B2 JP 5517679 B2 JP5517679 B2 JP 5517679B2 JP 2010047238 A JP2010047238 A JP 2010047238A JP 2010047238 A JP2010047238 A JP 2010047238A JP 5517679 B2 JP5517679 B2 JP 5517679B2
Authority
JP
Japan
Prior art keywords
light source
lighting
light
light sources
projection display
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.)
Active
Application number
JP2010047238A
Other languages
English (en)
Japanese (ja)
Other versions
JP2011182345A5 (enExample
JP2011182345A (ja
Inventor
和之 倉富
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP2010047238A priority Critical patent/JP5517679B2/ja
Priority to US13/031,790 priority patent/US8491130B2/en
Priority to EP11001504.7A priority patent/EP2367055B1/en
Priority to CN2011100486158A priority patent/CN102196219B/zh
Publication of JP2011182345A publication Critical patent/JP2011182345A/ja
Publication of JP2011182345A5 publication Critical patent/JP2011182345A5/ja
Application granted granted Critical
Publication of JP5517679B2 publication Critical patent/JP5517679B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • G03B21/2006—Lamp housings characterised by the light source
    • G03B21/2013—Plural 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
    • G03B21/2053—Intensity control of illuminating 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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/206—Control of light source other than position or intensity

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
JP2010047238A 2010-03-04 2010-03-04 投写型表示装置 Active JP5517679B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2010047238A JP5517679B2 (ja) 2010-03-04 2010-03-04 投写型表示装置
US13/031,790 US8491130B2 (en) 2010-03-04 2011-02-22 Projection display apparatus having plural light sources
EP11001504.7A EP2367055B1 (en) 2010-03-04 2011-02-23 Projection display apparatus
CN2011100486158A CN102196219B (zh) 2010-03-04 2011-03-01 投影显示装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010047238A JP5517679B2 (ja) 2010-03-04 2010-03-04 投写型表示装置

Publications (3)

Publication Number Publication Date
JP2011182345A JP2011182345A (ja) 2011-09-15
JP2011182345A5 JP2011182345A5 (enExample) 2011-11-04
JP5517679B2 true JP5517679B2 (ja) 2014-06-11

Family

ID=43899667

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010047238A Active JP5517679B2 (ja) 2010-03-04 2010-03-04 投写型表示装置

Country Status (4)

Country Link
US (1) US8491130B2 (enExample)
EP (1) EP2367055B1 (enExample)
JP (1) JP5517679B2 (enExample)
CN (1) CN102196219B (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6440477B2 (ja) * 2014-12-09 2018-12-19 キヤノン株式会社 光源制御装置および画像投射装置
DE102017219502A1 (de) 2017-11-02 2019-05-02 Bayerische Motoren Werke Aktiengesellschaft Beleuchtungsvorrichtung für ein Kraftfahrzeug
DE102017219504A1 (de) 2017-11-02 2019-05-02 Bayerische Motoren Werke Aktiengesellschaft Beleuchtungsvorrichtung für ein Kraftfahrzeug
CN110874000B (zh) * 2018-08-30 2021-08-31 中强光电股份有限公司 投影装置及其光源系统与投影方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3154191B2 (ja) 1992-05-12 2001-04-09 ソニー株式会社 液晶プロジェクタ
US5386250A (en) * 1993-08-09 1995-01-31 Philips Electronics North America Corp. Two-source illumination system
JP3455614B2 (ja) * 1995-08-04 2003-10-14 三菱電機株式会社 投写型表示装置
JPH0996786A (ja) 1995-09-29 1997-04-08 Matsushita Electric Ind Co Ltd 投射型表示装置
US20040052076A1 (en) * 1997-08-26 2004-03-18 Mueller George G. Controlled lighting methods and apparatus
JPH11149061A (ja) * 1997-09-12 1999-06-02 Minolta Co Ltd 光源装置および照明装置
US7646029B2 (en) * 2004-07-08 2010-01-12 Philips Solid-State Lighting Solutions, Inc. LED package methods and systems
JP4534647B2 (ja) * 2004-07-29 2010-09-01 株式会社日立製作所 投写型表示装置及びマルチスクリーンシステム
US20060044952A1 (en) 2004-08-26 2006-03-02 Texas Instruments Incorporated Multiple path illumination for image display systems
JP2008216840A (ja) * 2007-03-07 2008-09-18 Mitsubishi Electric Corp 投写型表示装置
JP5399035B2 (ja) 2007-10-24 2014-01-29 三洋電機株式会社 投写型映像表示装置
JP2010282027A (ja) * 2009-06-04 2010-12-16 Sanyo Electric Co Ltd 投写型映像表示装置

Also Published As

Publication number Publication date
EP2367055B1 (en) 2017-02-22
JP2011182345A (ja) 2011-09-15
EP2367055A1 (en) 2011-09-21
US8491130B2 (en) 2013-07-23
US20110216321A1 (en) 2011-09-08
CN102196219B (zh) 2013-10-23
CN102196219A (zh) 2011-09-21

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