Invention Grant
- Patent Title: Light emitting device using phosphor powder
- Patent Title (中): 使用荧光粉的发光装置
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Application No.: US11808770Application Date: 2007-06-12
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Publication No.: US07868535B2Publication Date: 2011-01-11
- Inventor: Mitch M. C. Chou , Wen-Ching Hsu , Cheng-Hung Wei
- Applicant: Mitch M. C. Chou , Wen-Ching Hsu , Cheng-Hung Wei
- Applicant Address: TW Kaohsiung TW Hsinchu
- Assignee: National Sun Yat-Sen University,Sino American Silicon Products Inc.
- Current Assignee: National Sun Yat-Sen University,Sino American Silicon Products Inc.
- Current Assignee Address: TW Kaohsiung TW Hsinchu
- Agency: Jackson IPG PLLC
- Agent Demian K. Jackson
- Priority: TW096110016 20070322
- Main IPC: H01J1/62
- IPC: H01J1/62 ; H01J63/04 ; C09K11/02 ; C09K11/77
Abstract:
The present invention is a light emitting device which uses a specific phosphor powder. The phosphor powder is a combination of cerium (Ce) and lithium aluminum oxide (LiAlO2). They are mixed under a specific range of composition ratio. With the specific phosphor powder applied, the light emitting device has advantages in a low cost, a reduced power consumption, an easy production, a long life, and so on. In addition, a transformation efficiency of the phosphor powder is high and so a light emitting efficiency of the light emitting device is enhanced.
Public/Granted literature
- US20080231172A1 Light emitting device using phosphor powder Public/Granted day:2008-09-25
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