Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
March 4, 2008
Patent Application Number
10937207
Date Filed
September 9, 2004
Patent Citations Received
Patent Primary Examiner
Patent abstract
There is provided an optical device, comprising a display source; a light-diffuser; an imaging optical module, and an output aperture from the optical device characterized in that the light diffuser is an angular, non-uniform diffuser of light for increasing a portion of light emerging from the display source that passes through the output aperture. A method for improving the brightness of an optical display is also provided.
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