WAVELENGTH CONVERSION MEMBER AND LIGHT-EMITTING DEVICE

Title:

WAVELENGTH CONVERSION MEMBER AND LIGHT-EMITTING DEVICE

Document Type and Number:

WIPO Patent Application WO/2014/104155

Kind Code:

A1

Abstract:

Disclosed is a wavelength conversion member which is a resin-molded article having dispersed therein a complex fluoride fluorophore that absorbs light with a blue wavelength component and emits light including a red wavelength component and that is represented by A2(M1-xMnx)F6 (in the formula: M is at least one type of tetravalent element selected from Si, Ti, Zr, Hf, Ge, and Sn; A is at least one type of alkali metal selected from Li, Na, K, Rb, and Cs and including at least Na and/or K; and x is from 0.001 to 0.3), wherein the hue of the wavelength conversion member when light is not emitted is as follows in CIELAB (CIE 1976): L* = from 40 to 60 inclusive; a* = from 0 to +1 inclusive; and b* = from +2 to +15 inclusive.

Inventors:

TSUMORI TOSHIHIRO (JP)
MINOWA TAKEHISA (JP)
KANEYOSHI MASAMI (JP)
WATAYA KAZUHIRO (JP)

Application Number:

PCT/JP2013/084792

Publication Date:

July 03, 2014

Filing Date:

December 26, 2013

Export Citation:

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Assignee:

SHINETSU CHEMICAL CO (JP)

International Classes:

C09K11/61; H01L33/50; C09K11/66; C09K11/67; F21V3/04

Domestic Patent References:

WO2012124267A1	2012-09-20
WO2012029305A1	2012-03-08

Foreign References:

JP2010251621A	2010-11-04
JP2012229373A	2012-11-22
JP2005244076A	2005-09-08
JPH11199781A	1999-07-27
JP2011091037A	2011-05-06
JP2006135002A	2006-05-25
JP2010087267A	2010-04-15

Other References: