Title:
OXYNITRIDE PHOSPHOR, METHOD FOR PREPARING THE SAME, AND LIGHT-EMITTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2010/074391
Kind Code:
A1
Abstract:
The present invention relates to an oxynitride phosphor, a method for preparing the same, and a light-emitting device. More specifically, the present invention provides the oxynitride phosphor including crystals represented by the following formula, a method for preparing the same, and a light-emitting device including the oxynitride phosphor. The invention includes the crystals represented by the following formula to obtain high light-emitting efficiency. [formula] (A(1-p-q)BpCq)aDbSicOdNe: xEu2+, yRe3+, Zq) wherein A, B, and C are different metals, +2 metals; D is metals of group 3; Re 3+ metals; Q is flux; p and q are 0 < p < 1.0 and 0 ≤ q < 1.0; a, b, c, d, and e are 1.0 ≤ a ≤ 2.0, 0 ≤ b ≤ 4.0, 0 < c ≤ 1.0, 0 < d ≤ 1.0, and 0 < e ≤ 2.0; x, y, and z are 0 < x ≤ 0.25, 0 ≤ y ≤ 0.25, and 0 ≤ z ≤ 0.25.
Inventors:
KIM KWANG BOK (KR)
KANG JUN GILL (KR)
OH SUNG IL (KR)
JEONG YOUNG KWANG (KR)
KANG JUN GILL (KR)
OH SUNG IL (KR)
JEONG YOUNG KWANG (KR)
Application Number:
PCT/KR2009/005573
Publication Date:
July 01, 2010
Filing Date:
September 29, 2009
Export Citation:
Assignee:
KUMHO ELECTRIC INC (KR)
KIM KWANG BOK (KR)
KANG JUN GILL (KR)
OH SUNG IL (KR)
JEONG YOUNG KWANG (KR)
KIM KWANG BOK (KR)
KANG JUN GILL (KR)
OH SUNG IL (KR)
JEONG YOUNG KWANG (KR)
International Classes:
C09K11/79; H01L27/15
Foreign References:
| US7061024B2 | 2006-06-13 | |||
| KR20050062623A | 2005-06-23 | |||
| US20060255710A1 | 2006-11-16 | |||
| KR20060060656A | 2006-06-05 | |||
| JP2002531956A | 2002-09-24 | |||
| JP2001214162A | 2001-08-07 | |||
| JP2002076434A | 2002-03-15 | |||
| KR20050062623A | 2005-06-23 |
Attorney, Agent or Firm:
DANA PATENT LAW FIRM (KR)
특허법인다나 (KR)
특허법인다나 (KR)
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