Invention Grant
- Patent Title: LED and its fluorescent powder
- Patent Title (中): LED及其荧光粉
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Application No.: US11984582Application Date: 2007-11-20
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Publication No.: US07919011B2Publication Date: 2011-04-05
- Inventor: Soshchin Naum , Wei-Hung Lo , Chi-Ruei Tsai
- Applicant: Soshchin Naum , Wei-Hung Lo , Chi-Ruei Tsai
- Applicant Address: TW
- Assignee: Chen Shia-Meng Tsai
- Current Assignee: Chen Shia-Meng Tsai
- Current Assignee Address: TW
- Agency: The Weintraub Group, P.L.C.
- Main IPC: C09K11/80
- IPC: C09K11/80
Abstract:
A fluorescent powder using YAG (yttrium aluminum garnet) as the substrate and cerium as the excitant, and having added thereto Tb (terbium) ions, Ga (gallium) ions, Yb (ytterbium) ions and Lu (lutetium) ions. The YAG (yttrium aluminum garnet) has the chemical formula of (Y1-x-y-z-p-qGdxTbyYbzLupCeq)3Al5O12. The invention also provides an organic film layer using the fluorescent powder, and a LED using the organic film layer.
Public/Granted literature
- US20080116422A1 LED and its fluorescent powder Public/Granted day:2008-05-22
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