| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a light source color measuring apparatus capable of performing accurate color measurement by a small-sized and easy design. <P>SOLUTION: A light source color measuring apparatus 1 includes: a spectrometer 8 for spectrally diffracting a color of light from an LED 3; a transmission diffusion plate 4 for diffusing light from the LED 3; a polygonal light pipe 6 for equalizing intensity distribution of light guided to the spectrometer 8; and a bundle fiber 5 configured so that a plurality of fibers 5F are collected between the transmission diffusion plate 4 and the polygonal light pipe 6, one end of the bundle fiber 5 is opposed to the polygonal light pipe 6 and the other end is dispersed so as to be wider than the end face of the polygonal light pipe 6 and opposed to the transmission diffusion plate 4. Since angle dependence is eliminated and light with uniform intensity distribution can be inputted to the spectrometer 8, accurate color measurement can be achieved. Because of no use of an integrating sphere, color measurement can be performed by the small-sized and easily design. <P>COPYRIGHT: (C)2013,JPO&INPIT |
