Patent ID: 11873293
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Organic fine chemistry (Chemistry)
Classification: CPC C  H  Y | IPC C  H

Claim 4:
5. The optoelectronic device according to claim 1, wherein Ra is at each occurrence independently selected from the group consisting of hydrogen, Me, iPr, tBu, CN, CF3, SiMe3, SiPh3, Ph, which is optionally substituted with one or more substituents independently selected from the group consisting of Me, iPr, tBu, CN, CF3, and Ph,
pyridinyl, which is optionally substituted with one or more substituents independently selected from the group consisting of Me, iPr, tBu, CN, CF3, and Ph,
pyrimidinyl, which is optionally substituted with one or more substituents independently selected from the group consisting of Me, iPr, tBu, CN, CF3, and Ph,
carbazolyl, which is optionally substituted with one or more substituents independently selected from the group consisting of Me, iPr, tBu, CN, CF3, and Ph,
triazinyl, which is optionally substituted with one or more substituents independently selected from the group consisting of Me, iPr, tBu, CN, CF3, and Ph, and N(Ph)2.