Title:
FLUORESCENT MATERIAL AND PROCESS FOR PRODUCTION OF FLUORESCENT MATERIAL
Document Type and Number:
WIPO Patent Application WO/2011/083791
Kind Code:
A1
Abstract:
A fluorescent material which consists of both alkali-free glass and rare earth atoms, preferably 95 to 99.99wt% of alkali-free glass and 0.01 to 5wt% of rare earth atoms; and a process for the production of a fluorescent material, characterized by mixing alkali-free glass with a compound that contains a rare earth atom and pulverizing the obtained mixture. The fluorescent material and the process provide: a field of application wherein scrap alkali-free glass which has been recovered can be effectively utilized as a resource; a fluorescent material with a high luminous intensity; and a process for the production of a fluorescent material with a high luminous intensity, which includes using, as the raw material, scrap alkali-free glass which has been recovered.
Inventors:
TSUJIGUCHI, Masato (())
辻口 雅人 (())
UTSUMI, Yasuhiko (())
内海 康彦 (())
FUKUSHIMA, Yoko (())
福嶋 容子 (())
辻口 雅人 (())
UTSUMI, Yasuhiko (())
内海 康彦 (())
FUKUSHIMA, Yoko (())
福嶋 容子 (())
Application Number:
JP2011/050030
Publication Date:
July 14, 2011
Filing Date:
January 05, 2011
Export Citation:
Assignee:
SHARP KABUSHIKI KAISHA (22-22, Nagaike-cho Abeno-ku, Osaka-sh, Osaka 22, 〒5458522, JP)
シャープ株式会社 (〒22 大阪府大阪市阿倍野区長池町２２番２２号 Osaka, 〒5458522, JP)
OSAKA PREFECTURE UNIVERSITY PUBLIC CORPORATION (1-1 Gakuen-cho, Naka-ku Sakai-sh, Osaka 31, 〒5998531, JP)
公立大学法人大阪府立大学 (〒31 大阪府堺市中区学園町１番１号 Osaka, 〒5998531, JP)
TSUJIGUCHI, Masato (())
辻口 雅人 (())
UTSUMI, Yasuhiko (())
内海 康彦 (())
シャープ株式会社 (〒22 大阪府大阪市阿倍野区長池町２２番２２号 Osaka, 〒5458522, JP)
OSAKA PREFECTURE UNIVERSITY PUBLIC CORPORATION (1-1 Gakuen-cho, Naka-ku Sakai-sh, Osaka 31, 〒5998531, JP)
公立大学法人大阪府立大学 (〒31 大阪府堺市中区学園町１番１号 Osaka, 〒5998531, JP)
TSUJIGUCHI, Masato (())
辻口 雅人 (())
UTSUMI, Yasuhiko (())
内海 康彦 (())
International Classes:
C09K11/00; C03C3/095; C09K11/08; C09K11/64
Attorney, Agent or Firm:
Fukami Patent Office, p.c. (Nakanoshima Central Tower, 2-7 Nakanoshima 2-chome, Kita-ku, Osaka-sh, Osaka 05, 〒5300005, JP)
Claims: