Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hui-Ping Chen0
Tien-Chia Liu0
Chih-Lu Hsu0
Date of Patent
June 22, 2010
0Patent Application Number
119349070
Date Filed
November 5, 2007
0Patent Primary Examiner
Patent abstract
A light source assembly provides an illumination beam and the light converging element is disposed on a transmission path of the illumination beam. A light converging element has a top end and a bottom end opposite to the top end. The light converging element is gradually reduced from the bottom end to the top end. The top end is opposite to the light source assembly and has a cavity. The illumination beam is incident into the light converging element from the cavity and exits the light converging element from the bottom end.
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