Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ian McDowall0
Date of Patent
July 21, 2009
0Patent Application Number
113695470
Date Filed
March 6, 2006
0Patent Primary Examiner
Patent abstract
A rear projection display according to the present disclosure includes a complex mirror as an optical element to simplify the optical design. The mirror may be symmetrical about at least one axis to require optimization of only half the optical system. The mirror may also provide a geometrically distorted image that may be corrected in software of the image generator. This display uses a mathematical formulation which inherently creates a surface which is symmetric about one linear axis but free form in an orthogonal axis.
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