JP2003264091A5 - - Google Patents

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JP2003264091A5
JP2003264091A5 JP2002066129A JP2002066129A JP2003264091A5 JP 2003264091 A5 JP2003264091 A5 JP 2003264091A5 JP 2002066129 A JP2002066129 A JP 2002066129A JP 2002066129 A JP2002066129 A JP 2002066129A JP 2003264091 A5 JP2003264091 A5 JP 2003264091A5
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Japan
Prior art keywords
semiconductor light
image
color
image display
light emitting
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JP2002066129A
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Japanese (ja)
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JP2003264091A (en
JP4178819B2 (en
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Priority to JP2002066129A priority Critical patent/JP4178819B2/en
Priority claimed from JP2002066129A external-priority patent/JP4178819B2/en
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Publication of JP2003264091A5 publication Critical patent/JP2003264091A5/ja
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Claims (9)

複数色の半導体発光素子を備えた光源と、前記半導体発光素子に対し、通常は前記半導体発光素子をオフとする駆動信号を供給する駆動装置とを有する照明装置。  An illumination apparatus comprising: a light source including a plurality of color semiconductor light-emitting elements; and a drive device that supplies a drive signal that normally turns off the semiconductor light-emitting elements to the semiconductor light-emitting elements. 請求項１において、前記駆動装置は、前記駆動信号を各色毎の前記半導体発光素子に対し供給する照明装置。  The lighting device according to claim 1, wherein the driving device supplies the driving signal to the semiconductor light emitting element for each color. 請求項１において、前記駆動装置は、前記駆動信号を複数のサブパルスにより構成し、単位時間当りの発光時間を制御する照明装置。  The lighting device according to claim 1, wherein the driving device includes the driving signal by a plurality of sub-pulses, and controls a light emission time per unit time. 複数色の半導体発光素子を備えた光源に対し、通常は前記半導体発光素子をオフとする駆動信号を供給する照明装置の制御方法。  A method for controlling an illumination device, which supplies a drive signal for normally turning off a semiconductor light emitting element to a light source including a plurality of color semiconductor light emitting elements. 請求項１に記載の照明装置と、この照明装置から出力される各色の光束を変調して画像を形成する光変調部と、形成された前記画像を投射する投射レンズとを有する画像表示装置。  An image display device comprising: the illumination device according to claim 1; a light modulation unit that modulates light beams of each color output from the illumination device to form an image; and a projection lens that projects the formed image. 請求項５において、前記駆動装置は、前記光変調部と同期して前記駆動信号を制御する画像表示装置。  6. The image display device according to claim 5, wherein the driving device controls the driving signal in synchronization with the light modulation unit. 請求項６において、前記駆動装置は、前記光変調部の少なくとも１つの画像素子がオンおよびオフになるときに、前記半導体発光素子をオンおよびオフする画像表示装置。  7. The image display device according to claim 6, wherein the driving device turns on and off the semiconductor light emitting element when at least one image element of the light modulation unit is turned on and off. 請求項６において、前記駆動装置は、前記駆動信号を各色毎の前記半導体発光素子に対し供給し、前記光変調部の画像素子がオンおよびオフになるときに、その画像素子に対応する色の前記半導体発光素子をオンおよびオフする画像表示装置。  7. The drive device according to claim 6, wherein the drive device supplies the drive signal to the semiconductor light emitting element for each color, and when the image element of the light modulation unit is turned on and off, the color corresponding to the image element is obtained. An image display device for turning on and off the semiconductor light emitting element. 複数色の半導体発光素子を光源とする照明装置から出力される各色の光束を変調して画像を形成する光変調部を有する画像表示装置の制御方法であって、前記半導体発光素子に対し通常はオフとする駆動信号を供給する画像表示装置の制御方法。  A method for controlling an image display device having a light modulation unit that forms an image by modulating light beams of respective colors output from an illuminating device that uses a semiconductor light emitting device of a plurality of colors as a light source. A method for controlling an image display device that supplies a drive signal for turning off.
JP2002066129A 2002-03-11 2002-03-11 Image display device and method for controlling image display device Expired - Fee Related JP4178819B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2002066129A JP4178819B2 (en) 2002-03-11 2002-03-11 Image display device and method for controlling image display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002066129A JP4178819B2 (en) 2002-03-11 2002-03-11 Image display device and method for controlling image display device

Publications (3)

Publication Number Publication Date
JP2003264091A JP2003264091A (en) 2003-09-19
JP2003264091A5 true JP2003264091A5 (en) 2005-08-25
JP4178819B2 JP4178819B2 (en) 2008-11-12

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JP2002066129A Expired - Fee Related JP4178819B2 (en) 2002-03-11 2002-03-11 Image display device and method for controlling image display device

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005331705A (en) * 2004-05-20 2005-12-02 Plus Vision Corp Projector including semiconductor light-emitting element in light source
US20110043692A1 (en) * 2008-01-18 2011-02-24 Osram Gesellschaft Mit Beschraenkter Haftung Video projection system and synchronization method
DE102009037576B4 (en) * 2009-08-14 2011-06-16 Osram Gesellschaft mit beschränkter Haftung Circuit arrangement and method for operating at least one LED

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