Oblon, Fisher, Spivak, McClelland & Maier
Method of lighting for colored shadows
 Beautifully and balanced colored shadows can be imparted by arranging an R unit for light sources for yellow to red; a G unit for light sources for green and a B unit for light sources for violet to blue with each predetermined space wherein each unit comprises a plurality of light sources in each group adjacent each other. 
Mitsubishi Denki Kabushiki Kaisha
G F Y
G09F F21W Y10S
inventional additional additional
Koichiro Michihiro Hidetoshi Masato Makoto Osamu
Maeyama Tsuchihashi Katsura Saito Yamanoshita Myodo