| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a luminaire which, while improving the appearance of skin, makes it easy to manage a variation in light color. <P>SOLUTION: The luminaire includes an illumination unit 11 which radiates light in a color temperature of approximately 3000K, of 40≤a<SP POS="POST">*</SP>≤60 and 20≤b<SP POS="POST">*</SP>≤30 in a CIELAB space, and assuming a linear line in the CIELAB space to be X=0.3845a<SP POS="POST">*</SP>-b<SP POS="POST">*</SP>+4.6544, a normal line distance dx from the linear line X is less than 1.82. <P>COPYRIGHT: (C)2013,JPO&INPIT |
