Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hisashi Iechika0
Yuji Takado0
Date of Patent
April 3, 2007
0Patent Application Number
105117540
Date Filed
July 31, 2003
0Patent Primary Examiner
Patent abstract
A prism structure that comprises of a combination of a plurality of modulators and a color-combining prism is provided, wherein light shielding means having an opening in the center are arranged between the modulators and the color-combing prism. The light shielding means allows image light to pass through the opening and blocks light from the periphery of the image light. The light shielding means allows linear stray light and spot-like stray light from the periphery of the image light to be effectively removed thereby improving image quality.
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