| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a light-emitting device which suppresses secondary absorption at a wavelength conversion layer, and emits light with less color unevenness. <P>SOLUTION: The light-emitting device includes: a first LED chip (a first light-emitting element) 11 and a second LED chip (a second light-emitting element) 21, both mounted on a mounting substrate 4; a first wavelength conversion layer 12 arranged on the first LED chip 11, absorbing blue light, and emitting green fluorescent light; a first translucent member 5 for covering the first LED chip 11 and the first wavelength conversion layer 12; a second wavelength conversion layer 22 arranged on the second LED chip 21, absorbing blue light, and emitting red fluorescent light at a longer wavelength than that of the green fluorescent light from the first wavelength conversion layer 12; and a second translucent member 6 for covering the second LED chip 21 and second wavelength conversion layer 22. The first translucent member 5 has a larger refractive index than the second translucent member 6, and is in contact with the second translucent member 6. <P>COPYRIGHT: (C)2011,JPO&INPIT |
