Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Manabu Kobayashi0
Ryusaku Takahashi0
Date of Patent
September 25, 2007
Patent Application Number
11116420
Date Filed
April 28, 2005
Patent Primary Examiner
Patent abstract
A white light emitted from a light source is homogenized by an integrator optical system, transmitted through a color polarizer (113) to be turned into an R light and a G light of a P polarized light, and transmitted through a color polarizer (118) to be turned into a G light of an S polarized light and an R light of a P polarized light. These R light and G light are subjected to light modulation in a reflection type spatial light modulation element for G and a reflection type spatial light modulation element for R arranged at unequal distances from a polarization split surface of a polarizing beam splitter (103), and emitted from a projection lens having an axial chromatic aberration corresponding to the unequal distances.
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