摘要:
A polycyclic compound represented by Formula 1:
wherein, in Formulae 1, 1-1, and 1-2, ring CY 1 , ring CY 2 , and ring CY 3 are each independently a C 5 -C 30 carbocyclic group or a C 1 -C 30 heterocyclic group; X 1 is B, N, P, P(=O), P(=S), Al, Ga, As, C(R 4 ), Si(R 4 ), or Ge(R 4 ); Y 1 and Y 2 are each independently O, S, Se, B(R 5 ), N(R 5 ), C(R 5 )(R 6 ), Si(R 5 )(R 6 ), Ge(R 5 )(R 6 ), Ga(R 5 ), As(R 5 ) P(Rs), P(=O)(R 5 ), P(=S)(R 5 ), or Al(R 5 ); and R 1 , R 2 , R 3 , b1, b2, and b3 are as provided herein.
摘要:
Provided are an organometallic compound represented by Formula 1, an organic light-emitting device including the organometallic compound, and a diagnostic composition including the organometallic compound:
Formula 1 M 1 (L 11 ) n11 (L 12 ) n12
wherein L 11 in Formula 1 is a ligand represented by Formula 1-1:
wherein, in Formula 1-1, Ar 1 is a phenyl group substituted with at least one of E 1 and Ar 2 is a phenyl group substituted with at least one E 2 , and the other substituents are described in the detailed description of the present specification.
摘要:
An organic light-emitting device including a first electrode, a second electrode facing the first electrode, and an emission layer disposed between the first electrode and the second electrode, wherein the emission layer includes a predetermined host and a thermally activated delayed fluorescence emitter.