Optical Recording Dyes phthalocyanine dyes azoic metal complex dye Functional Dyes for Electronics Device dyes for specific wavelength selective absorption near infrared dyes fluorescence dyes/rhodamine compound Photochromic Dyes diarylethene compound spiropyran compound flugide compound	Thermal Recording Dyes Carbonless Copy Dyes thermal recording dyes S-205 carbonless copy dyes RED520 CVL BLACK 100 Pyrrole Color Former pyrrolo pyrrole compound LPR-4	Mordant Dyes Acid Dyes/Metal Complex Dyes Intermediate ・3-amino-5-chloro-2-hydroxybenzenesulfonic acid ・1,5-dihydroxynaphthalene ・3-methoxydiphenylamine