NOVEL COMPOUND EXHIBITING THERMALLY ACTIVATED DELAYED FLUORESCENCE AND ORGANIC LIGHT-EMITTING DEVICE USING SAME

摘要

The present invention relates to a novel compound which due to having little difference between a singlet energy state and a triplet energy state, exhibits a thermally activated delayed fluorescence by reverse intersystem crossing when heat is applied, that generates the singlet energy state from the triplet energy state; and to an organic light-emitting device which applies the same to a dopant of an organic light-emitting layer. Specifically, the present invention relates to a compound represented by chemical formula 1; and to an organic light-emitting device which applies the same to a dopant of an organic light-emitting layer, wherein in the chemical formula 1, R_1 and R_2 may be identical or different from each other, and are a pyridoindole group, a phenyl group, a carbazole group, a 9,9-dimethyl-9,10-dihydroacridine group, a 10H-phenothiazine group, or 10H-phenoxazine group, and R_3 is a methyl or phenyl group.;COPYRIGHT KIPO 2017