| abstract |
The present invention provides a near-infrared-absorbing material including: a luminescent agent, and a near-infrared-absorbing compound obtained by oxidizing a compound represented by the following formula (II): n n n n n n n n n n n n 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. |