| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve the luminous efficiency of a light-emitting body and to facilitate its manufacture. <P>SOLUTION: The light-emitting body includes a blue fluorescent substance 56 which generates a fluorescence having a peak wavelength within a blue wavelength range, and a yellow fluorescent substance 58 which generates a fluorescence having a peak wavelength within a yellow wavelength range on a longer wavelength side than the blue wavelength range, or includes the blue fluorescent substance 56 and a green fluorescent substance 51 and a red fluorescent substance 52 which generate a fluorescence having a peak wavelength within a green wavelength range and within a red wavelength range, respectively, wherein at least either the blue fluorescent substance 56 or the green fluorescent substance 51 is a nanoparticle fluorescent substance. <P>COPYRIGHT: (C)2013,JPO&INPIT |
