A light emitting device includes a first solid light-emitting element including a first light source for emitting blue light and a first fluorescent body excited by the blue light from the first light source to convert the blue light to light having a peak at wavelength between 630 nm and 680 nm and a second solid light-emitting element including a second light source for emitting blue light and a second fluorescent body excited by the blue light from the second light source to convert the blue light to light having a peak at wavelength between 500 nm and 550 nm.
申请公布号
US2012119640(A1)
申请公布日期
2012.05.17
申请号
US201113295194
申请日期
2011.11.14
申请人
NISHIOKA KOUJI;TAKEI NAOKO;PANASONIC ELECTRIC WORKS CO., LTD.