Abstract: A heterocyclic compound represented by Formula 1: wherein Ar1 and Ar2 are each independently a group represented by Formula 2, a substituted or unsubstituted C6-C60 aryl group, a substituted or unsubstituted C1-C60 heteroaryl group, a substituted or unsubstituted C2-C60 alkyl heteroaryl group, a substituted or unsubstituted monovalent non-aromatic condensed polycyclic group, or a substituted or unsubstituted monovalent non-aromatic condensed heteropolycyclic group; ring CY1 to ring CY7 are each independently a C5-C30 carbocyclic group or a C1-C30 heterocyclic group; Cz1 is a group represented by Formula 3; and descriptions of the remaining substituents are as provided herein.

Abstract: A light-emitting device, an electronic apparatus including the light emitting device, and a condensed cyclic compound represented by Formula 1. The light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer arranged between the first electrode and the second electrode, the interlayer including an emission layer. The emission layer includes an emitter and one or more host(s) of number m1, m1 is an integer of 1 or more, and if m1 is 2 or more, two or more of the hosts are different from each other, the emitter and the host(s) m1 are different from each other, the emitter includes a condensed ring in which two or more monocyclic groups are condensed with each other, at least one of the monocyclic groups is a 6-membered ring including a boron atom, a nitrogen atom, and a carbon atom as ring-forming atoms, and at least one of the protection coefficient of the boron atom in the emitter is 0.7 or more. Formula 1 provided herein.

Abstract: Provided are a condensed polycyclic compound, a light-emitting device including the condensed polycyclic compound, and an electronic apparatus including the light-emitting device, wherein the condensed polycyclic compound which does not include a metal and includes a condensed ring, wherein the condensed ring includes a 9-membered ring including nitrogen and carbon as ring-forming atoms and a 6-membered ring including nitrogen, carbon, and boron as ring-forming atoms, wherein the 9-membered ring and the 6-membered ring are condensed with each other while sharing a nitrogen and a carbon.

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: A light-emitting device, a method of manufacturing the light-emitting device, and a method of operating the light-emitting device. The light-emitting device includes a first conductive layer comprising gold, an interlayer disposed on a surface of the first conductive layer, the interlayer comprises an inorganic salt, and a plurality of light-emitting group represented by Formula 1 chemically bonded to the surface of the first conductive layer. Formula 1 *—A3—(A1)m1—(A2)m2 A detailed description of Formula 1 is the same as described in this 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. wherein the substituents in Formula 1 are 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: There are provided a composition, a light-emitting device including the composition, and an electronic apparatus including the light-emitting device, wherein the composition includes a first compound including at least one pyrrole-containing condensed cyclic group and a silicon-containing group, and not including an electron-transporting moiety, and a second compound including an azine group including at least one nitrogen, and not including a silicon-containing group.