An optical information recording medium includes a substrate, and a light absorption layer formed thereon which includes a phthalocyanine compound (I), a phthalocyanine compound (II) and a phthalocyanine compound (III) as specified in the specification. This optical information recording medium can be...http://www.google.com.au/patents/US6045971?utm_source=gb-gplus-sharePatent US6045971 - Optical information recording medium and method of producing the same