Title:
PHOSPHOR, METHOD FOR MANUFACTURING SAME, AND LIGHT-EMITTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2013/161683
Kind Code:
A1
Abstract:
One purpose of the invention is to provide a phosphor with excellent quantum efficiency, a method for manufacturing the same, and a light-emitting device that uses this phosphor. One embodiment provides a phosphor comprising monocrystals with YAG crystals as a matrix, the quantum efficiency of the phosphor at 25°C being 92% or higher at an excitation light wavelength of 460 nm.
Inventors:
WATANABE MAKOTO (JP)
INOMATA DAISUKE (JP)
AOKI KAZUO (JP)
SHIMAMURA KIYOSHI (JP)
GARCIA VILLORA ENCARNACION ANTONIA (JP)
INOMATA DAISUKE (JP)
AOKI KAZUO (JP)
SHIMAMURA KIYOSHI (JP)
GARCIA VILLORA ENCARNACION ANTONIA (JP)
Application Number:
PCT/JP2013/061553
Publication Date:
October 31, 2013
Filing Date:
April 18, 2013
Export Citation:
Assignee:
KOHA CO LTD (JP)
NAT INST FOR MATERIALS SCIENCE (JP)
NAT INST FOR MATERIALS SCIENCE (JP)
International Classes:
C09K11/80; C09K11/08; C30B15/04; C30B29/28; H01L33/50
Domestic Patent References:
| WO2010136116A1 | 2010-12-02 |
Foreign References:
| JP2012017455A | 2012-01-26 | |||
| JP2006057018A | 2006-03-02 | |||
| JP2010155891A | 2010-07-15 |
Other References:
SOLID-STATE LIGHTING RESEARCH AND DEVELOPMENT: MULTI YEAR PROGRAM PLAN, March 2011 (2011-03-01), pages 69
See also references of EP 2843026A4
See also references of EP 2843026A4
Attorney, Agent or Firm:
HIRATA, Tadao (JP)
Tadao Hirata (JP)
Tadao Hirata (JP)
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