Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Akira Shinbo0
Date of Patent
April 7, 2009
0Patent Application Number
111672500
Date Filed
June 28, 2005
0Patent Primary Examiner
Patent abstract
A screen that transmits a light according to an image signal includes a flat surface, a plurality of light-guide portions arrayed on the flat surface, and a plurality of lens elements. The light-guide portions have a light incident side and an output side. The plurality of lens elements are provided on the flat surface opposite the incident side of the light-guide portions. The lens elements focus the light according to the image signal. Each of the plurality of light-guide portions has a taper form such that a cross section of each of the light-guide portions gradually reduces from the incident side of the output side thereof.
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