Abstract: An organic light-emitting device including: a first electrode and a second electrode each having a surface opposite the other; and an intermediate layer disposed between the first electrode and the second electrode, the intermediate layer including a first compound and a second compound, wherein the first compound includes a first silyl group-containing group and at least two carbazole-derived groups, wherein one carbazole-derived group of the at least two carbazole-derived groups is bonded via a N atom to another carbazole-derived group, the second compound includes a second silyl group-containing group, a triazine group, and a carbazole-derived group, and at least one of the first compound or the second compound has a triplet (T1) energy level of 2.81 eV or more.

Abstract: A light-emitting device including an organic layer disposed between a first electrode and a second electrode, the organic layer comprising a fluorescent compound, wherein upon excitation, excitons in a 3n-?* excited state of the fluorescent compound migrate to a 1?-?* excited state of the fluorescent compound by reverse intersystem crossing with a Rate (rISC), and then undergo radiative transition to a ground state to emit light via fluorescence. The fluorescent compound is defined by a ratio of Rate (rISC) to Rate (IC) is 0.5 or greater. An electronic apparatus including the light-emitting device, and the fluorescent compound.

Abstract: Provided are a polycyclic compound represented by Formula 1 and an organic light-emitting device and an electronic apparatus, each including the same.

Abstract: Provided are a condensed cyclic compound represented by Formula 1-1 or 1-2, an organic light-emitting device including the condensed cyclic compound, and an electronic apparatus including the organic light-emitting device: wherein Formulae 1-1 and 1-2 are the same as described in the present specification.

Abstract: Disclosed are an organic light-emitting device and an electronic apparatus including the same. The organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer located between the first electrode and the second electrode and including an emission layer, wherein the emission layer includes a host compound, a first dopant compound, and a second dopant compound, and the second dopant compound is represented by Formula 1, A-(Ar1)n11??Formula 1 wherein, in Formula 1, A is a group represented by Formula 1-1, wherein, in Formulae 1 and 1-1, Ar1, n11, M, CY1 to CY5, R1 to R5, and a1 to a5 are the same as described in the specification.

Abstract: An organic light-emitting device 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 includes an emission layer, wherein the emission layer includes a host and a dopant, and wherein the organic light-emitting device satisfies predetermined conditions described in the specification.

Abstract: A heterocyclic compound represented by Formula 1: wherein, Ar1 is a group represented by Formula 2, Ar1 includes at least one cyano group, A1, A2, L1, a1, Ar11, Ar12, Ar13, m1, R1, R10, R20, R30, b1, b10, b20, and b30 are the same as described in the present disclosure, and * and *? each indicate a binding site to a neighboring atom.

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: M1(L11)n11(L12)n12??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: Provided are a film including a coordination compound and a light-emitting device including the film, wherein the coordination compound has a novel structure in which a ligand including an electron donor atom is coordinated to a boron atom in a heterocyclic compound.

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: Provided are a heterocyclic compound represented by Formula 1 and an organic light-emitting device including the heterocyclic compound: wherein, in Formula 1, X1 is Si or Ge, A4 is a group represented by Formula 2, and other substituents are the same as described in the detailed description:

Abstract: A light-emitting device, including: a carbon-containing film, wherein the carbon-containing film includes at least one carbon atom; and a light-emitting group represented by Formula 1, wherein the light-emitting group is chemically bonded to the at least one carbon atom on a surface of the carbon-containing film: *—(C?C)—(A1)m1—(A2)m2 ??Formula 1 wherein * indicates a chemical bonding site to the at least one carbon atom on the surface of the carbon-containing film, A1 is a linking group, A2 is a group comprising a light-emitting moiety, and m1 and m2 are each independently an integer from 1 to 10.

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: An organic light-emitting device including a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode and including an emission layer, wherein the emission layer may include a host and a dopant, and the host may include at least one silane compound represented by Formula 1: wherein, in Formula 1, the substituents may be understood by referring to the detailed description.

Abstract: The present disclosure relates to a nitrogen-containing condensed cyclic compound having a particular structure and satisfying a particular condition. The present disclosure also relates to a fluorescence emitter that includes the nitrogen-containing condensed cyclic compound having a particular structure and is used together with a phosphorescent complex. In addition, the present disclosure relates to a material for the organic electroluminescent device, including the nitrogen-containing condensed cyclic compound having a particular structure and a phosphorescent complex. Moreover, the present disclosure relates to an organic electroluminescent device including the nitrogen-containing condensed cyclic compound, the fluorescence emitter, and the material for an organic electroluminescent device.

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: Provided is an organic light-emitting device including an emission layer including a first compound, a second compound, a third compound, and a fourth compound, each satisfying a certain condition.

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 is an organic light-emitting device including an emission layer that includes a host, a sensitizer, and an emitter.