06577073 is referenced by 387 patents and cites 6 patents.

An LED lamp includes blue and red LEDs and a phosphor. The blue LED produces an emission at a wavelength falling within a blue wavelength range. The red LED produces an emission at a wavelength falling within a red wavelength range. The phosphor is photoexcited by the emission of the blue LED to exhibit a luminescence having an emission spectrum in an intermediate wavelength range between the blue and red wavelength ranges.

Title
Led lamp
Application Number
9/865874
Publication Number
6577073 (B2)
Application Date
May 25, 2001
Publication Date
June 10, 2003
Inventor
Nobuyuki Matsui
Kyoto
US
Hideo Nagai
Osaka
US
Tetsushi Tamura
Osaka
US
Yoko Shimomura
Nara
US
Masanori Shimizu
Kyoto
US
Agent
Harness Dickey & Pierce
US
Assignee
Matsushita Electric Industrial
US
IPC
H05B 41/16
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