Patent ID: 8021573

Claim:
A near-infrared-absorbing material comprising: at least one luminescent agent selected from the group consisting of the following compounds I-1-1 to I-1-25, I-2-4, I-2-6, I-2-8 to I-2-15, I-3-2, I-3-4, I-3-5, I-3-9 to I-3-15, I-4-3, I-4-5 and I-4-7 to I-4-10, and at least one near-infrared-absorbing compound obtained by oxidizing a compound represented by the following formula (II): wherein R 211 , R 212 , R 221 , R 222 , R 231 , R 232 , R 241 and R 242 each independently represent a hydrogen atom, an aliphatic group or an aromatic group, R 203 , R 213 , R 223 , R 233 and R 243 each independently represent a substituent group, and n 203 , n 213 , n 223 , n 233 and n 243 each independently represent an integer from 0 to 4.