Ink composition containing red luminous material

摘要

The present invention relates to an red luminescent ink composition exhibiting adequate and stable emission intensity under irradiation of ultraviolet rays and high solubility for a resin and an organic solvent. The ink composition of the present invention contains a luminous compound represented by the following formula (1): wherein R is a perfluoroalkyl group having 2 to 20 carbons, L₁ and L₂ are the same or different and are sulfoxide having a substituted or unsubstituted aryl group or a substituted or unsubstituted an alkyl group.