Red light-emitting flourescent substance and light-emitting device employing the same

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United States of America Patent

PATENT NO 8858835
APP PUB NO 20120062106A1
SERIAL NO

13221042

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Abstract

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The embodiment provides a red light-emitting fluorescent substance represented by the following formula (1):

description='In-line Formulae' end='lead'(M1-xECx)aM1bAlOcNd  (1).description='In-line Formulae' end='tail'

In the formula (1), M is an element selected from the group consisting of IA group elements, IIA group elements, IIIA group elements, IIIB group elements, rare earth elements and IVA group elements; EC is an element selected from the group consisting of Eu, Ce, Mn, Tb, Yb, Dy, Sm, Tm, Pr, Nd, Pm, Ho, Er, Cr, Sn, Cu, Zn, As, Ag, Cd, Sb, Au, Hg, Tl, Pb, Bi and Fe; M1 is different from M and is selected from the group consisting of tetravalent elements; and x, a, b, c and d are numbers satisfying the conditions of 0

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Patent Owner(s)

  • KABUSHIKI KAISHA TOSHIBA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Albessard, Keiko Yokohama, JP 56 363
Fukuda, Yumi Tokyo, JP 68 487
Kato, Masahiro Naka-Gun, JP 438 2356
Matsuda, Naotoshi Chigasaki, JP 67 668
Mitsuishi, Iwao Tokyo, JP 53 533
Nunoue, Shinya Ichikawa, JP 312 3280
Okada, Aoi Tokyo, JP 35 173

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