Title:
PHOSPHOR AND LIGHT-EMITTING DEVICE
Document Type and Number:
Japanese Patent JP2012087288
Kind Code:
A
Abstract:
To obtain a high brilliance phosphor in the 600 to 680 nm region of wavelength.
The present invention provides a phosphor, including a constituent having the formula (1) CapSrqMm-Aa-Bb-Ot-Nn:Zr, wherein: M is selected from magnesium, barium, beryllium and zinc; A is selected from aluminum, gallium, indium, scandium, yttrium, lanthanum, gadolinium and lutetium; B is selected from silicon, germanium, tin, titanium, zirconium and hafnium; Z selected from europium and cerium; 0<p<1; 0<q<1; 0≤m<1; 0≤t≤0.3; 0.00001≤r≤0.1; a=1, 0.8≤b≤1.2; and 2.7≤n≤3.1. Moreover, the normalized dissolved content of strontium of the phosphor is 1 to 20 ppm.
Inventors:
JUANG YUAN-REN
UEN JEN SHRONG
LIN CHIH LUNG
UEN JEN SHRONG
LIN CHIH LUNG
Application Number:
JP2011175516A
Publication Date:
May 10, 2012
Filing Date:
August 11, 2011
Export Citation:
Assignee:
CHI MEI CORP
International Classes:
C09K11/64; H01L33/50
Domestic Patent References:
| JP2006008721A | 2006-01-12 | |||
| JP2006282809A | 2006-10-19 | |||
| JP2007262122A | 2007-10-11 | |||
| JP2008007751A | 2008-01-17 |
Attorney, Agent or Firm:
Satoshi Furuya
Takahiko Mizobe
Kiyoharu Nishiyama
Takahiko Mizobe
Kiyoharu Nishiyama