Title:
PHOSPHOR, PRODUCTION METHOD THEREFOR, LIGHT EMISSION DEVICE, AND IMAGE DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2013/069693
Kind Code:
A1
Abstract:
Provided is a chemically- and thermally-stable phosphor having light emission characteristics different from conventional phosphors, and also having high light emission intensity even when combined with an LED of 470-nm wavelength or less. A phosphor according to the present invention includes an A element, a D element, an E element, and an X element (where, A is one or more elements selected from Mg, Ca, Sr and Ba, D is one or more elements selected from Si, Ge, Sn, Ti, Zr and Hf, E is one or more elements selected from B, Al, Ga, In, Sc, Y and La, and X is one or more elements selected from O, N and F), and includes an inorganic compound wherein an M element (where, M is one or more elements selected from Mn, Ce, Pr, Nd, Sm, Eu, Tb, Dy and Yb) is in solid solution in an inorganic crystal formed from a crystal represented by Sr1Si3Al2O4N4, an inorganic crystal having the same crystal structure as the crystal represented by Sr1Si3Al2O4N4, or a solid solution crystal of said inorganic crystals.
Inventors:
HIROSAKI NAOTO (JP)
TAKEDA TAKASHI (JP)
FUNAHASHI SHIRO (JP)
TAKEDA TAKASHI (JP)
FUNAHASHI SHIRO (JP)
Application Number:
PCT/JP2012/078866
Publication Date:
May 16, 2013
Filing Date:
November 07, 2012
Export Citation:
Assignee:
NAT INST FOR MATERIALS SCIENCE (JP)
HIROSAKI NAOTO (JP)
TAKEDA TAKASHI (JP)
FUNAHASHI SHIRO (JP)
HIROSAKI NAOTO (JP)
TAKEDA TAKASHI (JP)
FUNAHASHI SHIRO (JP)
International Classes:
C09K11/64; C09K11/08; H01J1/63; H01L33/50
Domestic Patent References:
| WO2007105631A1 | 2007-09-20 | |||
| WO2007066733A1 | 2007-06-14 | |||
| WO2006101096A1 | 2006-09-28 | |||
| WO2005019376A1 | 2005-03-03 |
Foreign References:
| JP2009132916A | 2009-06-18 | |||
| JP2011037913A | 2011-02-24 | |||
| JP3668770B2 | 2005-07-06 | |||
| JP3837551B2 | 2006-10-25 | |||
| JP4524368B2 | 2010-08-18 | |||
| JP3921545B2 | 2007-05-30 | |||
| JP2005112922A | 2005-04-28 | |||
| JP3837588B2 | 2006-10-25 | |||
| JPH05152609A | 1993-06-18 | |||
| JPH0799345A | 1995-04-11 | |||
| JP2927279B2 | 1999-07-28 |
Other References:
JOURNAL OF THE AMERICAN CERAMIC SOCIETY, vol. 85, no. 5, 2002, pages 1229 - 1234
See also references of EP 2787056A4
See also references of EP 2787056A4
Attorney, Agent or Firm:
AIKAWA, Toshihiko (JP)
Toshihiko Aikawa (JP)
Toshihiko Aikawa (JP)
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Claims: