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
UTSUMI YASUHIKO
FUKUSHIMA YOKO
TATSUMISAGO MASAHIRO (JP)
TADANAGA KIYOHARU (JP)
HAYASHI AKITOSHI (JP)
UTSUMI YASUHIKO
FUKUSHIMA YOKO
TATSUMISAGO MASAHIRO (JP)
TADANAGA KIYOHARU (JP)
HAYASHI AKITOSHI (JP)
Application Number:
PCT/JP2011/050030
Publication Date:
July 14, 2011
Filing Date:
January 05, 2011
Export Citation:
Assignee:
SHARP KK (JP)
UNIV OSAKA PREFECT PUBLIC CORP (JP)
TSUJIGUCHI MASATO
UTSUMI YASUHIKO
FUKUSHIMA YOKO
TATSUMISAGO MASAHIRO (JP)
TADANAGA KIYOHARU (JP)
HAYASHI AKITOSHI (JP)
UNIV OSAKA PREFECT PUBLIC CORP (JP)
TSUJIGUCHI MASATO
UTSUMI YASUHIKO
FUKUSHIMA YOKO
TATSUMISAGO MASAHIRO (JP)
TADANAGA KIYOHARU (JP)
HAYASHI AKITOSHI (JP)
International Classes:
C09K11/00; C03C3/095; C09K11/08; C09K11/64
Foreign References:
| JP2009132932A | 2009-06-18 | |||
| JP2003107197A | 2003-04-09 | |||
| JP2009280425A | 2009-12-03 |
Attorney, Agent or Firm:
Fukami Patent Office, p. c. (JP)
Patent business corporation Fukami patent firm (JP)
Patent business corporation Fukami patent firm (JP)
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Claims: