Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 31, 2006
Patent Application Number
10506002
Date Filed
February 24, 2003
Patent Primary Examiner
Patent abstract
A light emitting diode lamp includes a lead terminal 2 formed with a cup 8 having a conical inner circumferential surface serving as a light reflective surface 8a, an LED chip 4 bonded to a bottom surface 8b of the cup with a die bonding material H, a molded portion 6 made of a transparent synthetic resin for packaging the cup of the lead terminal. The bottom surface 8b of the cup is formed with a recess 9 or a protrusion 19 to which the LED chip 4 is bonded with the die bonding material H, whereby the light conversion efficiency of the conical light reflective surface 8a is enhanced.
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