Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kiyoshi Takahashi0
Masanori Shimizu0
Tadashi Yano0
Date of Patent
July 8, 2008
0Patent Application Number
109324170
Date Filed
September 2, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
An LED lamp includes at least one LED chip mounted on the principal surface of a substrate and an optical wavelength converting portion, which includes a phosphor for converting the emission of the LED chip into light having a longer wavelength than that of the emission and which covers at least a portion of the LED chip. The side surface of the optical wavelength converting portion has at least one concave curved surface portion.
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