Title:
LIGHT SOURCE DEVICE AND PROJECTION VIDEO DISPLAY DEVICE
Document Type and Number:
Japanese Patent JP2014186081
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a light source device allowing a plurality of colour reproduction modes with a simple configuration, and provide a projection video display device using the light source device.SOLUTION: The light source device comprises: a blue semiconductor laser 101 emitting light; a phosphor wheel 200 which is provided rotatably and includes a phosphor excited by light to emit fluorescent light; a colour trim wheel 300 which is provided rotatably, and removes some wavelength bands of the fluorescent light and has a region transmitting the light therethrough; and phase adjustment means which adjusts phases of the phosphor wheel and the colour trim wheel.
Inventors:
IKEDA TAKASHI
MAEDA MAKOTO
MAEDA MAKOTO
Application Number:
JP2013059518A
Publication Date:
October 02, 2014
Filing Date:
March 22, 2013
Export Citation:
Assignee:
PANASONIC CORP
International Classes:
G03B21/14; F21S2/00; G02F1/13357; G03B21/00; F21Y101/02
Domestic Patent References:
| JP2003098330A | 2003-04-03 | |||
| JP2012212129A | 2012-11-01 | |||
| JP2014123563A | 2014-07-03 | |||
| JP2011013313A | 2011-01-20 | |||
| JP2005274656A | 2005-10-06 |
Attorney, Agent or Firm:
Hiroki Naito
Fujii Kentaro
Terauchi Italian 久郎
Fujii Kentaro
Terauchi Italian 久郎
Previous Patent: LIGHT SOURCE DEVICE AND PROJECTION VIDEO DISPLAY DEVICE
Next Patent: ELECTROOPTICAL DEVICE AND ELECTRONIC EQUIPMENT
Next Patent: ELECTROOPTICAL DEVICE AND ELECTRONIC EQUIPMENT