Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 9, 2011
Patent Application Number
12129081
Date Filed
May 29, 2008
Patent Primary Examiner
Patent abstract
The invention disclosed a light source, comprising a light tube and a plurality of prism members disposed on an outer surface of the light tube for reducing amount of external lights entering the light tube. According to the invention, the prism members disposed on the outer surface of the light tube can not only focus the light emitting from the light tube, but also increase the possibility of total reflection of the incident light.
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