06069440 is referenced by 290 patents and cites 18 patents.

The white light emitting diode comprising a light emitting component using a semiconductor as a light emitting layer and a phosphor which absorbs a part of light emitted by the light emitting component and emits light of wavelength different from that of the absorbed light, wherein the light emitting layer of the light emitting component is a nitride compound semiconductor and the phosphor contains garnet fluorescent material activated with cerium which contains at least one element selected from the group consisting of Y, Lu, Sc, La, Gd and Sm, and at least one element selected from the group consisting of Al, Ga and In and, and is subject to less deterioration of emission characteristic even when used with high luminance for a long period of time.

Title
Light emitting device having a nitride compound semiconductor and a phosphor containing a garnet fluorescent material
Application Number
902725
Publication Number
6069440
Application Date
April 28, 1999
Publication Date
May 30, 2000
Inventor
Toshio Moriguchi
Anan
JP
Yasunobu Noguchi
Naka-gun
JP
Kensho Sakano
Anan
JP
Yoshinori Shimizu
Naka-gun
JP
Agent
Birch Stewart Kolasch & Birch
Assignee
Nichia Kagaku Kogyo Kabushiki Kaisha
JP
IPC
H01J 1/62
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