Luminescent material

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United States of America Patent

PATENT NO 9022591
APP PUB NO 20140092600A1
SERIAL NO

13837836

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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According to one embodiment, the luminescent material exhibits a luminescence peak in a wavelength ranging from 490 to 580 nm when excited with light having an emission peak in a wavelength ranging from 250 to 500 nm. The luminescent material has a diffraction peak intensity of the largest peak detected at 2θ=30.1-31.1° that is higher than the diffraction peak intensity of the peak detected at 2θ=25.0-26.0° in X-ray diffraction by the Bragg-Brendano method using Cu-Kα line and its composition is represented by (Sr1−xEux)3−yAl3+zSi13−zO2+uN21−w (a part of the Sr may be substituted by at least one selected from Ba, Ca, Mg and Na, 0

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Patent Owner(s)

  • ALPAD CORPORATION

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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 439 2362
Matsuda, Naotoshi Chigasaki, JP 67 669

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