发明名称 |
White light-emitting device |
摘要 |
A white light-emitting device comprising a blue or blue-green light-emitting diode emitting light of 450-500 nm wavelength, and two phosphor materials capable of emitting a yellow light with 520 to 580 nm wavelength, and a red light with 580 to 640 nm wavelength, respectively. The light-emitting diode and the two phosphor materials are packaged together to form the white light-emitting device.
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申请公布号 |
US2005093422(A1) |
申请公布日期 |
2005.05.05 |
申请号 |
US20030697029 |
申请日期 |
2003.10.31 |
申请人 |
WANG CHIEN-YUAN;LIU RU-SHI;SU HUNG Y. |
发明人 |
WANG CHIEN-YUAN;LIU RU-SHI;SU HUNG Y. |
分类号 |
C09K11/77;H01J1/62;H01L33/50;H05B33/00;(IPC1-7):H01J1/62 |
主分类号 |
C09K11/77 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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