Invention Grant
US07176501B2 Tb,B-based yellow phosphor, its preparation method, and white semiconductor light emitting device incorporating the same
失效
Tb，B系黄色荧光体及其制备方法以及包含该荧光体的白色半导体发光装置
- Patent Title: Tb,B-based yellow phosphor, its preparation method, and white semiconductor light emitting device incorporating the same
- Patent Title (中): Tb，B系黄色荧光体及其制备方法以及包含该荧光体的白色半导体发光装置
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Application No.: US10520855Application Date: 2003-11-25
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Publication No.: US07176501B2Publication Date: 2007-02-13
- Inventor: Dong-Yeoul Lee , Yong-Tae Kim , Jin-Hwan Kim , Eun-Joung Kim
- Applicant: Dong-Yeoul Lee , Yong-Tae Kim , Jin-Hwan Kim , Eun-Joung Kim
- Applicant Address: KR Jeollabuk-Do
- Assignee: Luxpia Co, Ltd
- Current Assignee: Luxpia Co, Ltd
- Current Assignee Address: KR Jeollabuk-Do
- Agency: Conley Rose, P.C.
- Priority: KR10-2003-0029928 20030512; KR10-2003-0048324 20030715; KR10-2003-0083094 20031121
- International Application: PCT/KR03/02550 WO 20031125
- International Announcement: WO2004/099342 WO 20041118
- Main IPC: H01L29/22
- IPC: H01L29/22
Abstract:
The present invention relates to a terbium borate-based yellow phosphor, a preparation method thereof, and a white semiconductor light emitting device incorporating the same. The terbium borate-based yellow phosphor of the present invention is represented by the general formula (Tb1-x-y-zREXAy)3DaBbO12:Cez (where, RE is at least one rare earth element selected from the group consisting of Y, Lu, Sc, La, Gd, Sm, Pr, Nd, Eu, Dy, Ho, Er, Tm and Yb; A is a typical metal element selected from the group consisting of Li, Na, K, Rb, Cs and Fr; D is a typical amphoteric element selected from the group consisting of Al, In and Ga; 0≦x
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