Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Sen-Nien Chung0
Jyh-Long Chen0
Ming-Der Chou0
Yi-Kai Cheng0
Date of Patent
October 17, 2006
Patent Application Number
11162227
Date Filed
September 1, 2005
Patent Citations Received
Patent Primary Examiner
Patent abstract
A circular display includes a columnar waveguide plate and an image projection device. The upper width of the cross-section of the columnar waveguide plate is less than the bottom width of the cross-section of the columnar waveguide plate. The outer surface of the columnar waveguide plate is utilized for displaying an image, and the image projection device is used for projecting the image to the bottom of the columnar waveguide plate.
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