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 代理人
主权项
地址