| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lighting source capable of providing the light of an electric bulb color, a daytime white and daylight color, and having a good color rendering property in all of these 3 colors. <P>SOLUTION: In the lighting source 1 for providing the illumination light of a plurality of color temperatures by adjusting the luminescence intensity ratio of a plurality of light emitting elements 3-6 of different luminescence colors, the number of the luminescence colors are not less than 4, and the two colors among them are a first red color and a second red color different from the first red color. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
