Patent ID: 7924697

Claim:
An optical information recording medium comprising: a recording layer capable of recording and reproducing information by irradiation with a laser light; and an image recording layer capable of recording a visible image and containing a dye as a major component, wherein the dye is a cyanine dye represented by formula (2′) wherein Za 21 and Za 22 each independently represents atoms forming a hetero ring, Ma 21 , Ma 22 and Ma 23 each independently represents a substituted or unsubstituted methine group, ka2 represents an integer of from 0 to 3, and, when ka2 represents 2 or more, plural Ma 21 s and Ma 22 s may be the same or different from each other, Q2 represents an ion for neutralizing charge, y2 represents a number necessary for neutralizing charge, and R 101 and R 102 each independently represents a substituent selected from the group consisting of substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted alkynyl group, and a substituted or unsubstituted hetero ring group.