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White Light-Emitting Diode Lamps Using Oxynitride and Nitride Phosphor Materials

Ken SAKUMA, Naoto HIROSAKI, Naoki KIMURA, Masakazu OHASHI, Rong-Jun XIE, Yoshinobu YAMAMOTO, Takayuki SUEHIRO, Kenichiro ASANO, Daiichiro TANAKA

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Summary :

White-light emitting diode lamps for general illumination can be realized by a combination of a blue light-emitting diode semiconductor die and phosphors. Newly developed oxynitride and nitride phosphors are promising candidates for this application because they have suitable excitation and emission wavelengths and stable optical properties in a high temperature environment. High brightness warm-white LED lamps have been realized using a yellowish-orange α-SiAlON oxynitride phosphor. High color-rendering index white LED lamps have been also realized using three color oxynitride/nitride phosphors.

Publication
IEICE TRANSACTIONS on Electronics Vol.E88-C No.11 pp.2057-2064
Publication Date
2005/11/01
Publicized
Online ISSN
DOI
10.1093/ietele/e88-c.11.2057
Type of Manuscript
Special Section INVITED PAPER (Special Section on Electronic Displays)
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