LIGHT COLOR VARIABLE TYPE LIGHTING SYSTEM AND APPARATUS

摘要

PURPOSE:To variably control the light color of white light, and also reduce the drift of respective light colors and light distribution when plural kind light sources different in light colors are toningly lit. CONSTITUTION:Plural fluorescent lamps 12L and 12D of plural kinds different in light colors L and D are arranged so that these light colors L and D can be displayed in e.g. symmetrically right and left. Fluorescent lamps 12Le and 12Le having the same light color, color, are arranged on both the ends of the arrangement. Dimming impedances L1 and L2 are provided for dimming the brightness of the fluorescent lamps 12Le and 12Le on both the ends to about half brightness of the brightness of fluorescent lamps 12L and 12D other than the fluorescent lamps 12Le.