An organic molecule consisting of a structure of Formula III-1, wherein R 1 , R 2 is independently form each other at each occurrence independently from another selected from the group consisting of hydrogen, deuterium, C 1 -C 5 -alkyl, wherein one or more hydrogen atoms are optionally substituted by deuterium; C 2 -C 8 -alkenyl, wherein one or more hydrogen atoms are optionally substituted by deuterium; C 2 -C 8 -alkynyl, wherein one or more hydrogen atoms are optionally substituted by deuterium; and C 6 -C 18 -aryl, which is optionally substituted with one or more substituents R 6 ; R a is at each occurrence independently from another selected from the group consisting of H, Me, i Pr, t Bu, CN, CF 3 , Ph, which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, CN, CF 3 , and Ph, pyridinyl, which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, CN, CF 3 , and Ph, pyrimidinyl, which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, CN, CF 3 , and Ph, carbazolyl, which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, CN, CF 3 , and Ph, triazinyl, which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, CN, CF 3 , and Ph, and N(Ph) 2 . wherein the substituents R a independently from each other optionally form a mono- or polycyclic, aliphatic, aromatic and/or benzo-fused ring system with one or more substituents R a . R 1 , R 2 is independently form each other at each occurrence independently from another selected from the group consisting of hydrogen, deuterium, C 1 -C 5 -alkyl, wherein one or more hydrogen atoms are optionally substituted by deuterium; C 2 -C 8 -alkenyl, wherein one or more hydrogen atoms are optionally substituted by deuterium; C 2 -C 8 -alkynyl, wherein one or more hydrogen atoms are optionally substituted by deuterium; and C 6 -C 18 -aryl, which is optionally substituted with one or more substituents R 6 ; R a is at each occurrence independently from another selected from the group consisting of H, Me, i Pr, t Bu, CN, CF 3 , Ph, which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, CN, CF 3 , and Ph, pyridinyl, which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, CN, CF 3 , and Ph, pyrimidinyl, which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, CN, CF 3 , and Ph, carbazolyl, which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, CN, CF 3 , and Ph, triazinyl, which is optionally substituted with one or more substituents independently from each other selected from the group consisting of Me, i Pr, t Bu, CN, CF 3 , and Ph, and N(Ph) 2 . wherein the substituents R a independently from each other optionally form a mono- or polycyclic, aliphatic, aromatic and/or benzo-fused ring system with one or more substituents R a . <EOS>