Patent ID: 11957049
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Organic fine chemistry (Chemistry)
Classification: CPC H  C  Y | IPC C  H

Claim 6:
7. The emission layer according to claim 5, wherein Rb is at each occurrence independently selected from the group consisting of:
CN, CF3,
Ph, which is substituted with one or more substituents independently from each other selected from the group consisting of Me, iPr, tBu, CN, CF3 and Ph;
pyridinyl, which is substituted with one or more substituents independently from each other selected from the group consisting of Me, iPr, tBu, CN, CF3 and Ph;
pyrimidinyl, which is substituted with one or more substituents independently from each other selected from the group consisting of Me, iPr, tBu, CN, CF3 and Ph;
carbazolyl, which is substituted with one or more substituents independently from each other selected from the group consisting of Me, iPr, tBu, CN, CF3 and Ph;
triazinyl, which is substituted with one or more substituents independently from each other selected from the group consisting of Me, iPr, tBu, CN, CF3, and Ph; and
N(Ph)2.