Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Chih-Ming Lai0
Date of Patent
August 21, 2012
0Patent Application Number
126480010
Date Filed
December 28, 2009
0Patent Citations Received
Patent Primary Examiner
Patent abstract
An exemplary illumination device includes a light source and a light-pervious light guiding barrel. The light source is configured for emitting light along a given light path. The light-pervious light guiding barrel receives the light source therein, and the barrel includes light guiding regions with different light directing and/or reflecting capabilities. In addition, the barrel is rotatable relative to the light source such that each of the light guiding regions can be selectively placed on the light path to direct and/or reflect the light from the light source.
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