Invention Grant
US08524118B2 Nitride phosphor, method of preparing the same, and white light-emitting device using the same
失效
氮化物荧光粉及其制备方法以及使用其的白色发光装置
- Patent Title: Nitride phosphor, method of preparing the same, and white light-emitting device using the same
- Patent Title (中): 氮化物荧光粉及其制备方法以及使用其的白色发光装置
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Application No.: US12903900Application Date: 2010-10-13
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Publication No.: US08524118B2Publication Date: 2013-09-03
- Inventor: Tae-gon Kim , Tae-hyung Kim , Seung-jae Im
- Applicant: Tae-gon Kim , Tae-hyung Kim , Seung-jae Im
- Applicant Address: KR KR
- Assignee: Samsung Electronics Co., Ltd.,Samsung Electro-Mechanics Co., Ltd.
- Current Assignee: Samsung Electronics Co., Ltd.,Samsung Electro-Mechanics Co., Ltd.
- Current Assignee Address: KR KR
- Agency: Cantor Colburn LLP
- Priority: KR10-2010-0002745 20100112
- Main IPC: C09K11/08
- IPC: C09K11/08 ; C09K11/66
Abstract:
A nitride phosphor represented by Formula 1: M1a-zCezM2b-xM3xNc-yOy, Formula 1 wherein M1 is at least one metal selected from the group consisting of Sc3+, Y3+, Lu3+, La3+, Pr3+, Sm3+, Gd3+, Tb3+, Yb3+, Dy3+, Eu3+, and Bi3+, M2 is at least one metal selected from the group consisting of Si4+ and Ge4+, M3 is at least one metal selected from the group consisting of Al3+, B3+, and Ga3+, a is equal to or greater than about 1.8 and equal to or less than about 2.2, b is equal to or greater than about 3.8 and equal to or less than about 4.2, c is equal to or greater than about 6.7 and equal to or less than about 7.3, x is equal to or greater than about 0.7 and less than about 3, y is equal to or greater than 0 and less than about 3, and z is greater than 0 and less than about 1.
Public/Granted literature
- US20110169398A1 NITRIDE PHOSPHOR, METHOD OF PREPARING THE SAME, AND WHITE LIGHT-EMITTING DEVICE USING THE SAME Public/Granted day:2011-07-14
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