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: An organic light-emitting device may include: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer may include an emission layer, the emission layer may include a first compound, a second compound, and a fluorescent dopant, the first compound, the second compound, and the fluorescent dopant may be different from one another, the total weight of the first compound and the second compound may be greater than a weight of the fluorescent dopant, and the first compound may be a compound represented by Formula 1: Formula 1 may be understood by referring to the description of Formula 1 provided herein.

Abstract: A thin film including a combination of a donor compound and an acceptor compound, and a phosphorescent dopant, wherein the donor compound and the acceptor compound form an exciplex having characteristics described in the specification.

Abstract: A condensed cyclic compound represented by Formula 1: Ar1-L1-Ar2??Formula 1 wherein, in Formula 1, Ar1, Ar2, and L are the same as described in the specification.

Abstract: Provided are a condensed cyclic compound represented by Formula 1 and an organic light-emitting device including the same: wherein, in Formula 1, X1, A1, L11, a11, Ar11, Ar12, b11, R11, R12, c11, and c12 are the same as defined in the specification.

Abstract: Provided are a heterocyclic compound represented by Formula 1 and having an asymmetric structure and an organic light-emitting device including the heterocyclic compound: wherein, in Formula 1, X1 is O or Se, Ar1 is a group represented by Formula 1A, and Ar2 is a group represented by Formula 1B, and the other substituents are understood as described in connection with the detailed description.

Abstract: A thin film including a combination of a donor compound and an acceptor compound, and a phosphorescent dopant, wherein the donor compound and the acceptor compound form an exciplex having characteristics described in the specification.

Abstract: A composition including a donor compound and an acceptor compound, wherein the donor compound and the acceptor compound form an exciplex having characteristics described in the specification.

Abstract: An organometallic compound represented by Formula 1, wherein M1 is beryllium, magnesium, aluminum, calcium, titanium, manganese, cobalt, copper, zinc, gallium, germanium, zirconium, ruthenium, rhodium, palladium, silver, rhenium, platinum, or gold; A1 to A3 are each independently a C5-C30 carbocyclic group or a C1-C30 heterocyclic group; A4 is a 5-membered heterocyclic group; A5 is at least two rings of a C7-C30 carbocyclic group comprising a 6-membered carbocyclic group, or A5 is at least two rings of a C1-C30 heterocyclic group comprising a 6-membered carbocyclic group or a 6-membered heterocyclic group; X10, X20, X30, and X40 to X44 are each independently C or N; T1 to T3 are each independently a single bond, *—N[(L1)a1-(R1)b1]—*?, *—B(R1)—*?, *—P(R1)—*?, *—C(R1)(R2)—*?, *—Si(R1)(R2)—*?, *—Ge(R1)(R2)—*?, *—S—*?, *—Se—*?, *—O—*?, *—C(?O)—*?, *—S(?O)—*?, *—S(?O)2—*?, *—C(R1)?C(R2)—*?, *—C(?S)—*?, or *—C?C—*?; and wherein the other substituents may be understood by referring to the detailed description.

Abstract: Provided are an organic light-emitting device satisfying a certain range of [Q(t=T50)]Polaron and an electronic apparatus including the organic light-emitting device.

Abstract: An organometallic compound represented by Formula 1: wherein in Formula 1, groups and variables are the same as described in the 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: M11(L11)n11(L12)n12??Formula 1 wherein, in Formula 1, M11 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, in Formula 1-1, Y11, A11, T11 k11, k12, k13, b11, E11 to E13 and R11 to R17 are described in the specification, and *1 to *4 each independently indicate a binding site to M11.

Abstract: A heterocyclic compound represented by Formula 1 and an organic light-emitting device the heterocyclic compound represented by Formula 1: wherein, in Formula 1, Cz1 is a group represented by Formula 1A, Het1 is a group represented by Formula 1B, wherein, R1 to R10, R20, R30, R40, R50, and b10 to b50 are each independently the same as described in the detailed description of the specification.

Abstract: A condensed cyclic compound represented by Formula 1: wherein in Formula 1, groups X1 to X3 and X11 to X18 are the same as described in the specification.

Abstract: A condensed cyclic compound represented by Formula 1: Ar1-L1-Ar2??Formula 1 wherein, in Formula 1, Ar1, Ar2, and L are the same as described in the specification.

Abstract: An organic light-emitting device including an emission layer including a first electrode; a second electrode facing the first electrode; and an organic layer disposed between the first electrode and the second electrode, wherein the organic layer comprises an emission layer, the emission layer comprises a first compound, a second compound, and a third compound, and the first compound and the second compound are different from each other, each of the first compound and the second compound emits light, the third compound does not emit light, and the first compound and the second compound satisfy Conditions and Inequalities as described herein.

Abstract: An organic light-emitting device comprising: a first electrode; a second electrode facing the first electrode; and an emission layer between the first electrode and the second electrode, wherein the emission layer comprises a host and a thermally activated delayed fluorescence emitter, the host comprises a first material and a second material, the first material and the second material are different from each other, the second material has a dipole moment of about 5.5 debye or more, the second material does not comprise a group represented by *=o, and * indicates a binding site to a neighboring atom.

Abstract: 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.

Abstract: A condensed cyclic compound represented by Formula 1: Ar1-L1-L2-Ar2??Formula 1 wherein, in Formula 1, Ar1, Ar2, L1, and L2 are the same as described in the specification.

Abstract: A composition including a donor compound and an acceptor compound, wherein the donor compound and the acceptor compound form an exciplex having characteristics described in the specification.