JP2011182345A5 - - Google Patents

Download PDF

Info

Publication number
JP2011182345A5
JP2011182345A5 JP2010047238A JP2010047238A JP2011182345A5 JP 2011182345 A5 JP2011182345 A5 JP 2011182345A5 JP 2010047238 A JP2010047238 A JP 2010047238A JP 2010047238 A JP2010047238 A JP 2010047238A JP 2011182345 A5 JP2011182345 A5 JP 2011182345A5
Authority
JP
Japan
Prior art keywords
light
light source
lighting
sources
light sources
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.)
Granted
Application number
JP2010047238A
Other languages
English (en)
Other versions
JP2011182345A (ja
JP5517679B2 (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP2010047238A priority Critical patent/JP5517679B2/ja
Priority claimed from JP2010047238A external-priority 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

Links

Claims (4)

  1. 複数の光源と、
    前記複数の光源に電源を供給する複数の光源電源と、
    前記複数の光源のそれぞれの点灯履歴に応じて、該複数の光源から少なくとも一つの光源を選択して点灯させるように前記複数の光源電源を制御する点灯制御手段と、を有し、
    前記点灯制御手段は、前記複数の光源のうち第1の光源の前記点灯履歴が所定の規定値に達した後、前記複数の光源のうち第2の光源を連続して点灯させ、
    前記第2の光源の前記点灯履歴が所定の寿命規定値に達した後、前記第1の光源を点灯させることを特徴とする投写型表示装置。
  2. 前記点灯制御手段は、前記第2の光源に電源を供給する前記光源電源に点灯指令を出力しても該第2の光源が点灯しない場合、前記第1の光源を点灯させるように制御することを特徴とする請求項1に記載の投写型表示装置。
  3. 前記点灯履歴は、前記複数の光源のそれぞれの累積点灯時間または点灯回数であることを特徴とする請求項1または2に記載の投写型表示装置。
  4. 前記複数の光源それぞれの光量を測定する光量測定手段を更に有し、
    前記点灯履歴は、前記複数の光源それぞれの前記光量または光量変化率であることを特徴とする請求項1または2に記載の投写型表示装置。
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 true JP2011182345A5 (ja) 2011-11-04
JP5517679B2 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 (ja)
EP (1) EP2367055B1 (ja)
JP (1) JP5517679B2 (ja)
CN (1) CN102196219B (ja)

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
WO2006023149A2 (en) * 2004-07-08 2006-03-02 Color Kinetics Incorporated 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

Similar Documents

Publication Publication Date Title
EP2672786A3 (en) Illumination controller and illumination system including same
WO2015072809A3 (en) Display device and method for controlling the same
EP2672785A3 (en) Illumination controller and illumination system including same
SG10201806298TA (en) A lighting system
JP2014112547A5 (ja)
EP2749956A3 (en) Image forming apparatus, method of controlling the same, and storage medium
JP2012146623A5 (ja)
MX2013013803A (es) Control programable para sirena y luces.
JP2010245033A5 (ja)
EP2375860A3 (en) Illumination device, lamp, lighting circuit, and illumination apparatus
JP2008311178A5 (ja)
EP2574152A3 (en) Lighting control
SG10201402797TA (en) Storage facility and storage method
JP2011182345A5 (ja)
EP3465868A4 (en) REDUNDANT POWER SUPPLY AND CONTROL FOR LIGHTING EQUIPMENT
GB201120581D0 (en) Lighting system with ambient light monitoring
BR112013025602A2 (pt) dispositivo controlador para controlar uma carga, particularmente um conjunto de leds, método de controle para controlar uma carga, particularmente um conjunto de leds e aparelho de iluminação
JP2019092955A5 (ja)
WO2015132032A3 (de) Led-treiber
WO2015048189A3 (en) Control techniques for lighting fixtures having spatial distribution control capabilities
EP3493651A4 (en) SYSTEM FOR CONTROLLING THE POWER SUPPLY OF A LED LIGHTBOX AND REMOTE CONTROL METHOD THEREFOR
JP2013115977A5 (ja)
EP2972660A4 (en) CONTROLLING THE ELECTRICAL CONSUMPTION OF AN ELECTRIC POWER SUPPLY UNIT DURING A STANDBY STATE
JP2013252033A5 (ja)
JP2015025963A5 (ja)