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US 2018/0123049 A1Published application
Ortho-substituted thermally activated delayed fluorescence material and organic light-emitting device comprising same
AssigneeIndustry-Academic Cooperation Foundation, Dankook University
InventorsChilwon LEE, Myoungseon GONG, Jaeryung CHA
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Abstract
A thermally activated delayed fluorescent (TADF) material is provided. The TADF material has a form in which an electron donating group and an electron withdrawing group are connected to benzene and the electron withdrawing group is position in an ortho position to the electron donating group.
Claims18
Light-emitting material represented by the following Chemical Formula 1:
- in the Chemical Formula 1,
- REDG is an electron donating group,
- REWG is an electron withdrawing group,
- R5 to R8 are, independently of each other, a hydrogen atom, a heavy hydrogen atom, a halogen group, a substituted or unsubstituted C4-C6 aryl group, or a substituted or unsubstituted C1-C3 alkyl group.
1 more element
Dependencies are inferred from the claim text.