| abstract |
Provided is a novel compound having a high lowest triplet excited level (T1 level), a narrow bandgap, and a shallow highest occupied molecular orbital (HOMO) level. A dibenzoxanthene compound is represented by formula [1] described in Claim 1 . In formula [1], R 1 to R 7 are each independently selected from the group consisting of hydrogen, alkyl groups, aryl groups, heterocyclic groups, aryloxy groups, alkoxy groups, amino groups, silyl groups, and cyano groups. |