| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an illuminator capable of obtaining stably a mixed color light having a desired color tone with a more simple constitution while suppressing a color drift due to a use environment and a variation with time. <P>SOLUTION: This illuminator is an illuminator 20 equipped with a controlling apparatus for controlling a light output ratio of a plurality of light-emitting apparatuses 10b, 10y emitting light having different luminescent colors and making variable a color tone of mixed color light irradiated from the light-emitting apparatuses 10b, 10y, in which the light-emitting apparatuses 10b, 10y are equipped with a first wavelength-converting part 2 for absorbing at least part of light irradiated from an LED chip (light-emitting element) 1, wavelength-converting the light, and emitting the resultant fluorescence, and at least one of the plurality of light-emitting apparatuses 10b, 10y has a second wavelength-converting part 4y for wavelength-converting at least part of light irradiated from at least any one of the LED chip 1 and the first wavelength-converting part 2 to light having a luminescent color different from that of light irradiated from the LED chip 1 and the first wavelength-converting part 2. <P>COPYRIGHT: (C)2011,JPO&INPIT |
