Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Shih-Po Lin0
Date of Patent
June 1, 2010
0Patent Application Number
123453800
Date Filed
December 29, 2008
0Patent Primary Examiner
Patent abstract
An annular light guiding unit for portable electronic device comprises a first surface, a second surface located opposite to the first surface, and a wall connecting the first surface and the second surface together. The wall is defined a plurality of first wedged walls therein.
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