Title:
PHOSPHOR, METHOD FOR PRODUCING SAME, LIGHT EMITTING DEVICE, IMAGE DISPLAY, PIGMENT AND ULTRAVIOLET LIGHT ABSORBER
Document Type and Number:
WIPO Patent Application WO/2017/170453
Kind Code:
A1
Abstract:
To provide a phosphor having a high light emission intensity, even if combined with an LED with a wavelength of 470 nm or less, and being chemically and thermally stable.
The phosphor according to the present invention comprises an inorganic crystal containing a metallic element M and a nonmetallic element X and represented by MnXn+1 [n being a numerical value of 3-52 inclusive], an inorganic crystal having the same crystalline structure, or an inorganic compound wherein element A [A being one or more kinds of elements selected from among Mn, Ce, Pr, Nd, Sm, Eu, Tb, Dy and Yb] is solid-dissolved in an inorganic crystal that is a solid solution thereof. M comprises at least Al and Si optionally together with an element L [L being a metallic element other than Al and Si] and X comprises at least N and, if required, O optionally together with an element Z [Z being a nonmetallic element other than N and O].
Inventors:
HIROSAKI NAOTO (JP)
MICHIUE YUICHI (JP)
TAKEDA TAKASHI (JP)
FUNAHASHI SHIRO (JP)
MICHIUE YUICHI (JP)
TAKEDA TAKASHI (JP)
FUNAHASHI SHIRO (JP)
Application Number:
PCT/JP2017/012480
Publication Date:
October 05, 2017
Filing Date:
March 27, 2017
Export Citation:
Assignee:
NAT INST FOR MATERIALS SCIENCE (JP)
International Classes:
C09K11/64; C09C1/28; C09C1/40; C09K3/00; H01J1/63; H01L33/50
Domestic Patent References:
| WO2014003076A1 | 2014-01-03 | |||
| WO2014185415A1 | 2014-11-20 |
Foreign References:
| JP2015110708A | 2015-06-18 | |||
| JP2012046625A | 2012-03-08 | |||
| JP2014504312A | 2014-02-20 |
Other References:
See also references of EP 3438228A4
Attorney, Agent or Firm:
AIKAWA, Toshihiko (JP)
Download PDF: