| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a chromaticity adjustment device which automatically adjusts the chromaticity of LED lighting so that a desired chromaticity is ensured after manufacture. <P>SOLUTION: A desired chromaticity can be set on the adjustment device 10 by using ten keys 11. The adjustment device 10 makes the LED group 23 emit light for the LED lighting 20 the chromaticity of which is adjusted, and the chromaticity is measured by an illuminance sensor 1. The measurement value of chromaticity is compared with a set value of chromaticity and, based on the difference thereof, the driving current of the LED group 23 is adjusted and controlled for each color of RGB until both values are substantially equalized. The driving current when the adjustment is finished is stored in a storage device 24. <P>COPYRIGHT: (C)2012,JPO&INPIT |
