发明名称 |
LED DEVICE, AND PORTABLE TELEPHONE UNIT, DIGITAL CAMERA AND LCD DISPLAY UNIT, USING THE LED DEVICE |
摘要 |
<P>PROBLEM TO BE SOLVED: To provide an LED device which is excellent in color reproductivity, and can get bright white light. <P>SOLUTION: The LED device comprises: at least a blue light emitting device in which emission peak wavelength is 420-480 nm and/or an ultraviolet-violet light emitting device in which the emission peak wavelength is 360-420 nm; green phosphor having fluorescence spectrum in a range of 500-580 nm by at least the light-emitting of blue light emitting device 11 and/or the ultraviolet-violet light emitting device; and red phosphor having the fluorescence spectrum in the range of 600-670 nm by a light-emitting of a red light emitting device 13 in which the emission peak wavelength is 600-670 nm, or the blue light emitting device. <P>COPYRIGHT: (C)2009,JPO&INPIT |
申请公布号 |
JP2008283221(A) |
申请公布日期 |
2008.11.20 |
申请号 |
JP20080214776 |
申请日期 |
2008.08.25 |
申请人 |
SHARP CORP |
发明人 |
OMOTO MASATOSHI;MASUDA MASATSUGU;KITANO MASAHARU |
分类号 |
H01L33/62;H01L33/32;H01L33/44;H01L33/50;H01L33/56;H01L33/60 |
主分类号 |
H01L33/62 |
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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