Organic light-emitting molecules comprising or consisting of - a first chemical moiety comprising or consisting of a structure of Formula I, and - two second chemical moieties, each independently from another comprising or consisting of a structure of Formula II, wherein the first chemical moiety is linked to each of the two second chemical moieties via a single bond; wherein § represents the binding site of a single bond linking the first chemical moiety to one of the two second chemical moieties; # represents the binding site of a single bond linking one of the two second chemical moieties to the first chemical moiety; X is O or S; R 1, R 2, R 3, R 4, R 5, R 6, R 7 and R 8 is 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 6 -C1 8 -aryl, which is optionally substituted with one or more substituents R 9; and C 3 -C 17 -heteroaryl, which is optionally substituted with one or more substituents R 9; R 9 is at each occurrence independently from another selected from the group consisting of deuterium, C 1 -C 5 -alkyl, wherein one or more hydrogen atoms are optionally substituted by deuterium; and C 6 -C 18 -aryl, wherein one or more hydrogen atoms are optionally substituted by deuterium. - a first chemical moiety comprising or consisting of a structure of Formula I, and - two second chemical moieties, each independently from another comprising or consisting of a structure of Formula II, wherein the first chemical moiety is linked to each of the two second chemical moieties via a single bond; wherein § represents the binding site of a single bond linking the first chemical moiety to one of the two second chemical moieties; # represents the binding site of a single bond linking one of the two second chemical moieties to the first chemical moiety; X is O or S; R 1, R 2, R 3, R 4, R 5, R 6, R 7 and R 8 is 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 6 -C1 8 -aryl, which is optionally substituted with one or more substituents R 9; and C 3 -C 17 -heteroaryl, which is optionally substituted with one or more substituents R 9; R 9 is at each occurrence independently from another selected from the group consisting of deuterium, C 1 -C 5 -alkyl, wherein one or more hydrogen atoms are optionally substituted by deuterium; and C 6 -C 18 -aryl, wherein one or more hydrogen atoms are optionally substituted by deuterium. wherein the first chemical moiety is linked to each of the two second chemical moieties via a single bond; wherein § represents the binding site of a single bond linking the first chemical moiety to one of the two second chemical moieties; # represents the binding site of a single bond linking one of the two second chemical moieties to the first chemical moiety; X is O or S; R 1, R 2, R 3, R 4, R 5, R 6, R 7 and R 8 is 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 6 -C1 8 -aryl, which is optionally substituted with one or more substituents R 9; and C 3 -C 17 -heteroaryl, which is optionally substituted with one or more substituents R 9; R 9 is at each occurrence independently from another selected from the group consisting of deuterium, C 1 -C 5 -alkyl, wherein one or more hydrogen atoms are optionally substituted by deuterium; and C 6 -C 18 -aryl, wherein one or more hydrogen atoms are optionally substituted by deuterium.