Abstract: An organometallic compound represented by Formula 1: wherein, in Formula 1, M1 is a first-row transition metal, a second-row transition metal, or a third-row transition metal, L11 is a ligand represented by Formula 1-1, L12 is a monodentate ligand or a bidentate ligand, n11 is 1, and n12 is 0, 1, or 2: wherein ring CY1 to ring CY4, E1, T1 to T4, R10 to R40, X1 to X4, n1 to n4, a1 to a4, and c10 to c40 may each be understood by referring to the descriptions thereof provided herein, and *1, *2, *3, and *4 are each a binding site to M1 in Formula 1.

Abstract: A heterocyclic compound represented by Formula 1, an organic light-emitting device including the heterocyclic compound, and an electronic apparatus: wherein, in Formula 1, Cz1 is a group represented by Formula 2, k1 to k3 are each independently 0, 1, 2, 3, 4, or 5, and a sum of k1 to k3 is 1 or greater, and wherein the descriptions of the remaining substituents in Formula 1 and Formula 2 are as provided herein.

Abstract: Provided are a condensed cyclic compound, a light-emitting device including the same, and an electronic apparatus including the light-emitting device, the condensed cyclic compound including a first boron, a second boron, ring A1, ring A2, ring A3, ring A4, and ring A5, and having a percent volume buried (% Vbur) of 65% or more with respect to the center of highest occupied natural transition orbital (HONTO).

Abstract: 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: M1(L11)n11(L12)n12??Formula 1 wherein L11 in Formula 1 is a ligand represented by Formula 1-1: wherein, in Formula 1-1, Ar1 is a phenyl group substituted with at least one of E1 and Ar2 is a phenyl group substituted with at least one E2, and the other substituents are described in the detailed description of the present specification.

Abstract: Provided are a heterocyclic compound represented by Formula 1, an organic light-emitting device including the same, and an electronic apparatus including the organic light-emitting device. The detailed description of Formula 1 is the same as described in the present specification.

Abstract: An organometallic compound, represented by Formula 1: wherein, M1 is a transition metal, X10, X11, X20, X30, and X40 are each independently C or N, provided that one of X10 and X11 is N, and the other of X10 and X11 is C, ring A10 is a C5-C30 carbocyclic group or a C1-C30 heterocyclic group, wherein each of X12 and X13 is C, or when ring A10 is not present, X12 is C(R11) and X13 is C(R12), ring A11 is a pyrazole ring or an imidazole ring, rings A20, A30, and A40 are each independently a C5-C30 carbocyclic group or a C1-C30 heterocyclic group, and at least one of R10, R11, R12, R20, R30, or R40 is a group represented by Formula 2: wherein the remaining substituent groups are as described herein.

Abstract: Provided are a heterocyclic compound represented by Formula 1, an organic light-emitting device including the heterocyclic compound, and an electronic apparatus including the organic light-emitting device: wherein Formula 1 may be understood by referring to the description of Formula 1 provided herein.

Abstract: Provided are a condensed cyclic compound represented by Formula 1, a light-emitting device including the same, and an electronic apparatus including the light-emitting device: wherein a detailed description of Formula 1 is provided in the present specification.

Abstract: Provided are the organometallic compound represented by Formula 1 and an organic light-emitting device including the same: M, X1 to X4, X11, ring CY2 to ring CY4, T1, T2, R1 to R4, and a1 to a4 in Formula 1 are the same as described in the present specification.

Abstract: A heterocyclic compound represented by Formula 1 and an organic light-emitting device including the same:

Abstract: An organometallic compound represented by Formula 1: wherein, M1 is a transition metal; X11 is N or C(R11); X12 is N or C(R12); X21 is N or C(R21); X22 is N or C(R22); X23 is N or C(R23); at least one of X21 and X22 is N; Y2 to Y4 are each independently C or N; A2 to A4 are each independently a chemical bond, O, or S; ring CY3 and ring CY4 are each independently a C5-C30 carbocyclic group or a C1-C30 heterocyclic group; a1, a2, and a3 are each independently an integer from 1 to 3; R13 is a group represented by Formula 2, and the remaining substituents are as defined herein.

Abstract: An organometallic compound represented by Formula 1-1 or 1-2: wherein, in Formulae 1-1 and 1-2, M is Pt or Pd; each of X1, X2, and X3 is carbon; X4 is nitrogen; T8 is O, S, N(R81), C(R81)(R82), or Si(R81)(R82); and the remaining substituent groups are as defined herein.

Abstract: Provided are a heterocyclic compound represented by Formula 1, an organic light-emitting device including the same, and a diagnostic composition including the heterocyclic compound as described in the detailed description.

Abstract: Provided are the organometallic compound represented by Formula 1 and an organic light-emitting device including the same: M, X1 to X4, X11, ring CY2 to ring CY4, T1, T2, R1 to R4, and a1 to a4 in Formula 1 are the same as described in the present specification.

Abstract: An organometallic compound represented by Formula 1: wherein, M is a transition metal, X11 is N or C(R11), X12 is N or C(R12), at least one of X11 and X12 is N, ring CY2, ring CY31, ring CY32, and ring CY4 are each independently a C3-C60 carbocyclic group or a C1-C60 heterocyclic group, Y2 to Y4 are each independently C or N, A2 to A4 are each independently a chemical bond, O, or S, a1 to a3 are each independently an integer from 1 to 3, and the remaining substitutions are as provided in the detailed description.

Abstract: Provided are the organometallic compound represented by Formula 1 and an organic light-emitting device including the same: M, X1 to X4, X11, ring CY2 to ring CY4, T1, T2, R1 to R4, and a1 to a4 in Formula 1 are the same as described in the present specification.

Abstract: An organometallic compound represented by Formula 1, an organic light-emitting device including the organometallic compound, and a diagnostic composition including the organometallic compound are provided: M1(L11)n11(L12)n12??Formula 1 wherein, in Formula 1, L11 may be a ligand represented by Formula 1-1, and the other substituents may be understood by referring to the descriptions thereof provided in the detailed description:

Abstract: Provided are a light-emitting device and an electronic apparatus including the same, the light-emitting device including a first electrode, a second electrode, and an interlayer arranged between the first electrode and the second electrode and including an emission layer, wherein the emission layer includes a first compound represented by Formula 1 and a second compound represented by Formula 2: wherein details of Formulae 1 and 2 are as described herein.

Abstract: Provided are an organometallic compound, an organic light-emitting device including the organometallic compound, and a diagnostic composition including the organometallic compound.

Abstract: Provided are an organometallic compound represented by Formula 1 and an organic light-emitting device including the same: wherein the detailed description of Formula 1 is the same as described in the present specification.