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Title:
PHOSPHOR AND VACUUM ULTRAVIOLET EXCITED LIGHT-EMITTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2004/101710
Kind Code:
A1
Abstract:
A phosphor and a vacuum ultraviolet excited light-emitting device are disclosed. The phosphor contains a compound represented by the following formula (1): Ca1-a-bSraEubMgSi2O6 (wherein 0.1 < a ≤ 0.35 and 0.003 ≤ b ≤ 0.02). The phosphor is excited by vacuum ultraviolet light and emits blue light of high luminance. The vacuum ultraviolet excited light-emitting device comprises this phosphor.

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Inventors:
Isobe, Toshinori (2-40-1-415, Kasuga Tsukuba-shi, Ibaraki 21, 30508, JP)
Ono, Keiji (2-13-10-403, Amakubo Tsukuba-shi, Ibaraki 05, 30500, JP)
Miyazaki, Susumu (1622-61, Sakuragaoka Fujishiro-ch, Kitasoma-gun Ibaraki 25, 30015, JP)
Application Number:
PCT/JP2004/006795
Publication Date:
November 25, 2004
Filing Date:
May 13, 2004
Export Citation:
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Assignee:
SUMITOMO CHEMICAL COMPANY, LIMITED (27-1, Shinkawa 2-chome Chuo-ku, Tokyo, 104-8260, JP)
Isobe, Toshinori (2-40-1-415, Kasuga Tsukuba-shi, Ibaraki 21, 30508, JP)
Ono, Keiji (2-13-10-403, Amakubo Tsukuba-shi, Ibaraki 05, 30500, JP)
Miyazaki, Susumu (1622-61, Sakuragaoka Fujishiro-ch, Kitasoma-gun Ibaraki 25, 30015, JP)
International Classes:
C09K11/59; C09K11/77; H01J11/02; H01J17/04; H01J61/44; C09K11/59; C09K11/77; H01J11/02; H01J17/04; H01J61/38; (IPC1-7): C09K11/59
Attorney, Agent or Firm:
Enomoto, Masayuki c/o Sumitomo Chemical Intellectual Property Service (Limited 5-33, Kitahama 4-chome, Chuo-k, Osaka-shi Osaka 50, 54185, JP)
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