Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yasumasa Sawai0
Kazuhiko Inoue0
Date of Patent
May 12, 2009
Patent Application Number
11405730
Date Filed
April 18, 2006
Patent Primary Examiner
Patent abstract
An illumination optics includes a plurality of light source sections for emiting light beams and a time sharing color separation device having a plurality of color filters. The color filters are rotationally moved so as to cross optical paths of the emitted light beams from the light source sections, thereby separate the emitted light beams to enter there into different color light beams in a time-sharing state. The reference axes of the emitted light beams to enter the time sharing color separation device are separated from each other, and the color filters are formed so that border lines of the adjacent color filters cross the reference axes approximately simultaneously at the time of rotation.
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