Is a
Patent attributes
Current Assignee
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ho Joong Kang0
Date of Patent
February 6, 2007
0Patent Application Number
108169980
Date Filed
April 2, 2004
0Patent Primary Examiner
Patent abstract
A reflective illuminating optical system on silicon, more particularly, to an illuminating optical system is provided, in which R, G, and B signals reflected from a LCoS panel (Liquid Crystal on Silicon panel) in a projection system do not pass through wire grid type PBSs (Polarized Beam Splitters) but are reflected by the wire grid type PBSs (Polarized Beam Splitters) so that astigmatism is suppressed and illuminating efficiency is improved.
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