Title:
燐光体変換型発光デバイス
Document Type and Number:
Japanese Patent JP4787521
Kind Code:
B2
Abstract:
A system includes a radiation source capable of emitting first light and a fluorescent material capable of absorbing the first light and emitting second light having a different wavelength than the first light. The fluorescent material is a phosphor having the formula (Lu 1-x-y-a-b Y x Gd y ) 3 (Al 1-z Ga z ) 5 O 12 :Ce a Pr b wherein
0 < x < 1, 0 < y < 1, 0
Inventors:
Regina Bee Muller Mach
Gerd Au Muller
Teustel
Wavesselt
PA Yacht Schmidt
V Mile
Gerd Au Muller
Teustel
Wavesselt
PA Yacht Schmidt
V Mile
Application Number:
JP2005084754A
Publication Date:
October 05, 2011
Filing Date:
February 23, 2005
Export Citation:
Assignee:
Philips Lumileds Lighting Company Limited Liability Company
International Classes:
C09K11/08; F21S2/00; C09K11/56; C09K11/59; C09K11/64; C09K11/77; C09K11/80; H01L33/26; H01L33/50; F21W121/00; F21Y101/02
Domestic Patent References:
| JP2000031532A | ||||
| JP2002223008A | ||||
| JP2002042525A | ||||
| JP2003515655A | ||||
| JP2005008844A |
Other References:
Spectral Properties of Various Cerium Doped Garnet Phosphors for Application in White GaN-based LEDs,Mat. Res. Soc. Symp. Proc. Vol. 658 2001,2001年
Attorney, Agent or Firm:
Sadao Kumakura
Fumiaki Otsuka
Takaki Nishijima
Atsushi Hakoda
Fumiaki Otsuka
Takaki Nishijima
Atsushi Hakoda