US Patent 7339742 High brightness optical device
Patent 7339742 was granted and assigned to Lumas on March, 2008 by the United States Patent and Trademark Office.
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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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US Patent 07339742 High brightness optical device US Patent 7339742 High brightness optical device
Infobox
Patent Number
0733974200
Patent Number
733974200
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Is a
Current Assignee
Patent Jurisdiction
Patent Number
073397420
Date of Patent
March 4, 2008
0Patent Application Number
109372070
Date Filed
September 9, 2004
0Official Website
Patent Primary Examiner
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Is a
Current Assignee
Patent Jurisdiction
Patent Number
073397420
Date of Patent
March 4, 2008
0Patent Application Number
109372070
Date Filed
September 9, 2004
0Official Website
Patent Primary Examiner
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US Patent 07339742 High brightness optical device
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07339742
Date of patent
March 4, 2008
Patent application number
10937207
Date Filed
September 9, 2004
Patent primary examiner
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