Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Xin-Xiang Zha1
Ye-Fei Yu1
Chung-Yuan Huang1
Jer-Haur Kuo1
Lin Yang1
Date of Patent
September 14, 2010
1Patent Application Number
121333981
Date Filed
June 5, 2008
1Patent Citations Received
Patent Primary Examiner
Patent abstract
An LED assembly (10) includes an LED (12) and a lens (16). The lens covers on an outer periphery of the LED. The LED has an encapsulant (125) and an LED chip (121) received in the encapsulant (125) and having a light emitting surface (122). The lens has a light output surface (161) over the light emitting surface. The light output surface defines a plurality of annular, concentric grooves (163). Each groove (163) is cooperatively enclosed by a first groove wall (165) and a second groove wall (166). The first groove wall is a portion of a periphery of an imaginary cone and a conical tip of the imaginary cone is located on the light emitting surface of the LED chip.
Timeline
No Timeline data yet.
Further Resources
No Further Resources data yet.