Patent ID: 11968896
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Optics (Instruments)
Classification: CPC H  G | IPC G  H

Claim 8:
9. The light-emitting device of claim 1, wherein the at least one condensed cyclic compound satisfies at least one selected from Condition 1 and Condition 2:

X3 is N(R3a), and  Condition 1

R3 and R3a are linked to each other to form a C2-C30 heterocyclic group unsubstituted or substituted with at least one R30a 

X4 is N(R4a), and  Condition 2

R4 and R4a are linked to each other to form a C2-C30 heterocyclic group unsubstituted or substituted with at least one R30a wherein R30a is the same as described in connection with R10a.