Phosphors having high light emission luminescence

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United States of America Patent

PATENT NO 8384284
APP PUB NO 20110025194A1
SERIAL NO

12933382

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Abstract

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Provided are phosphors that can exhibit higher emission luminance. Phosphors in which the activator is included in a compound represented by Formula xM1O.M2O.yM3O2 (wherein M1 represents one or more of a group comprising Ca, Sr and Ba, M2 represents Mg and/or Zn, M3 represents Si and/or Ge, x is a value in the range 4 to 6 and y is a value in the range 2 to 4). Phosphors represented by Formula M15(1−z)EuzM2M33O12 (wherein M1, M2 and M3 have the same meanings as above, and z is a value in the range 0.0001 to 0.3). The above phosphors have the same crystal structure as bredigite.

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Patent Owner(s)

Patent OwnerAddress
SUMITOMO CHEMICAL COMPANY LIMITED2-7-1 NIHONBASHI CHUO-KU TOKYO TOKYO 103-6020
NIIGATA UNIVERSITYNIIGATA COUNTY JAPAN NIIGATA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ito, Yutaka Tsukuba, JP 228 6408
Sato, Mineo Niigata, JP 14 53
Toda, Kenji Niigata, JP 35 383
Uematsu, Kazuyoshi Niigata, JP 11 7
Umeda, Tetsu Ushiku, JP 13 29

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