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US Patent 7384159 Light source unit and image display unit

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Patent
Patent

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
7384159
Date of Patent
June 10, 2008
Patent Application Number
11289492
Date Filed
November 30, 2005
Patent Citations Received
‌
US Patent 12124050 Compact collimated image projector
0
Patent Primary Examiner
‌
William C. Dowling
Patent abstract

A light source unit includes: a plurality of light sources that provide light beams; and an optical-path changing section that outputs the light beams emitted from the light sources such that the light beams are substantially parallel to one another and the distance therebetween are smaller than the distance at entering from the light sources, thereby changing the optical path of the light beams.

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