Abstract: Embodiments provide a fused polycyclic compound, a light emitting element including the fused polycyclic compound, and a display device including the light emitting element. The light emitting element includes a first electrode, a second electrode disposed on the first electrode, and an emission layer disposed between the first electrode and the second electrode. The emission layer includes the fused polycyclic compound, which is represented by Formula 1 and is explained in the specification.

Abstract: An organic compound represented by formula [1] or [2]: where X1 to X20 are each independently selected from a hydrogen atom, a halogen atom, and alkyl, alkoxy, amino, aromatic hydrocarbon, heterocyclic, aryloxy, heteroaryloxy, silyl, and cyano groups, in which at least one of X1 to X10 and at least one of X11 to X20 are each an amino group or a group containing an amino group; Y1 and Y3 are each oxygen, sulfur, selenium, tellurium, a carbonyl group, or a CR1R2 group and are optionally the same or different, in which R1 and R2 are each independently selected from a hydrogen atom, a halogen atom, and alkyl, alkoxy, amino, aromatic hydrocarbon, heterocyclic, aryloxy, heteroaryloxy, silyl, and cyano groups, and Y2 and Y4 are each oxygen, sulfur, selenium, or tellurium and are optionally the same or different.

Abstract: An organic light-emitting device which includes a light-emitting layer stack including at least two stacked light-emitting layers and in which an electron injection barrier is formed by adjusting HOMOs and LUMOs of organic compounds constituting the two light-emitting layers to expand an exciton combination region. A first light-emitting layer contains a first organic compound, a second organic compound, and a first light-emitting material, a second light-emitting layer contains the first organic compound, a third organic compound, and a second light-emitting material, and the organic light-emitting device satisfies formulas (1) and (2) below.

Abstract: A light-emitting element including a first electrode, a second electrode provided on the first electrode, and an emission layer provided between the first electrode and the second electrode is provided. The emission layer may include a polycyclic compound having N atoms and a B, two terphenyl groups bonded to a polycyclic ring, and a sterically bulky substituent such that the polycyclic compound has a sphere-like structure in three dimensions. The shape of the polycyclic compound may reduce aggregations, interactions, and/or the like between molecules of the polycyclic compound.

Abstract: An organic compound represented by the following general formula [1]: In the general formula [1], Ar1 and Ar2 are each independently selected from an aryl group and a heterocyclic group. Ar1 and Ar2 are represented by different skeletons. When Ar1 and Ar2 have a dibenzothiophene skeleton or a dibenzofuran skeleton, the organic compound has at least one substituent. The substituent represented by R is each independently selected from a deuterium atom, a halogen atom, an alkyl group, an alkoxy group, an amino group, an aryloxy group, an aryl group, a heterocyclic group, a silyl group, and a cyano group. When a plurality of Rs are present, the Rs may be the same or different. n denotes an integer in the range of 2 to 5, and m1 to m3 each denote an integer in the range of 0 to 4.

Abstract: An organic light-emitting element including a first electrode and a second electrode, and an organic compound layer disposed between the first electrode and the second electrode. The organic compound layer includes a light-emitting layer. The light-emitting layer contains at least a first organic compound, a second organic compound, and a luminescent compound that emits phosphorescence. Lowest excited triplet energies of the first organic compound and the second organic compound are higher than a lowest excited triplet energy of the luminescent compound. In the first organic compound and the second organic compound, all freely rotatable single bonds are carbon-carbon bonds. The organic light-emitting element satisfies a relation of formula (1): |HOMO(H2)|>|HOMO(H1)|??(1).

Abstract: Embodiments provide a fused polycyclic compound, a light emitting element including the fused polycyclic compound, and a display device including the light emitting element. The light emitting element includes a first electrode, a second electrode disposed on the first electrode, and an emission layer disposed between the first electrode and the second electrode and including the fused polycyclic compound. The fused polycyclic compound is represented by Formula 1, which is explained in the specification.

Abstract: Embodiments provide a heterocyclic compound, a light-emitting device including the heterocyclic compound, and an electronic apparatus including the light-emitting device. The light-emitting device includes a first electrode, a second electrode facing the first electrode, an interlayer between the first electrode and the second electrode and including an emission layer, and the heterocyclic compound.

Abstract: A light emitting element includes a first electrode, a second electrode on the first electrode, and an emission layer between the first electrode and the second electrode and including a first compound represented by Formula 1.

Abstract: A light emitting element is provided, the light emitting element including a first electrode, a second electrode provided on the first electrode, and an emission layer which is provided between the first electrode and the second electrode and includes a first compound represented by Formula 1 below:

Abstract: Embodiments provide a fused polycyclic compound and a light emitting element. The light emitting element includes a first electrode, a second electrode disposed on the first electrode, and an emission layer disposed between the first electrode and the second electrode and including the fused polycyclic compound.

Abstract: An organic compound represented by formula [1] or [2]: where X1 to X18 and X21 to X38 are each independently selected from a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an amino group, an aryl group, a heterocyclic group, an aryloxy group, a heteroaryloxy group, a silyl group, and a cyano group, in which at least one of X1 to X8 and at least one of X21 to X28 are substituted or unsubstituted amino groups; and each Y is oxygen, sulfur, selenium, tellurium, or a CR1CR2 group and may be the same or different, in which R1 and R2 are each independently selected from a hydrogen atom, an alkyl group, an alkoxy group, an amino group, an aryl group, a heterocyclic group, an aryloxy group, a heteroaryloxy group, a silyl group, or a cyano group.

Abstract: An organic compound represented by the following formula [1] or [2]: wherein R1 to R22 independently denote a substituent selected from a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted amino group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted silyl group, a cyano group, a trifluoromethyl group, a substituted or unsubstituted aromatic hydrocarbon group, and a substituted or unsubstituted heterocyclic group, and R5 and R6, and/or R7 and R8 may be bonded together to form a ring structure.

Abstract: The present disclosure provides an organic compound represented by general formula (1): (In general formula (1), R1 to R20 are each independently selected from the group consisting of a hydrogen atom, a deuterium atom, halogen atoms, alkyl groups, alkoxy groups, silyl groups, amino groups, aryl groups, heteroaryl groups, and a cyano group. R1 to R20 may be bonded to one another to form a ring and, optionally, via a chalcogen atom. At least a combination R9 and R10 or R19 and R20 forms a bond. X1 and X2 are each independently selected from the group consisting of chalcogen atoms, methylene groups, and silylene groups.

Abstract: The present disclosure provides an organic compound represented by any of the following general formulae [1-1] and [1-2]: where R1 to R8 are each selected from a hydrogen atom, a halogen atom, a deuterium atom, and substituted or unsubstituted alkyl, alkoxy, amino, aryl, aryloxy, heteroaryl, cyano, and silyl groups, R4 may be combined with Ar1 to form a ring, Ar1 is a substituted or unsubstituted aryl or heterocyclic group, Ar2 is a substituted or unsubstituted divalent arylene group or divalent linking group, the divalent linking group being derived from a heterocyclic group, X1 and X2 are each selected from an oxygen atom, a sulfur atom, a selenium atom, a tellurium atom, and a nitrogen atom having substituent Z, and the substituent Z is a hydrogen atom, a deuterium atom, or a substituted or unsubstituted alkyl, aryl, or heteroaryl group.

Abstract: An organometallic complex represented by any one of formulas (1) to (3): In formulas (1) to (3), R1 and R2 are each independently selected from the group consisting of a hydrogen atom, a deuterium atom, hydrogen atoms, alkyl groups, silyl groups, and aryl groups. R3s are each independently selected from the group consisting of a deuterium atom, halogen atoms, a cyano group, alkyl groups, alkoxy groups, silyl groups, aryl groups, heterocyclic groups, and amino groups. Substituents may form a ring with each other. R4 to R6 are each independently selected from the group consisting of a deuterium atom, halogen atoms, a cyano group, alkyl groups, alkoxy groups, silyl groups, aryl groups, heterocyclic groups, and amino groups.

Abstract: The present disclosure provides an organic compound represented by the following general formula [1-1] or [1-2]. R1 to R22 are each independently selected from a hydrogen atom, an alkyl group, and so forth. Q1 to Q10 are each independently selected from a direct bond and a linking group. The linking group is selected from C(R23) (R24), N(R25), an oxygen atom, a sulfur atom, a selenium atom, and a tellurium atom. R23 to R25 are each independently selected from a hydrogen atom, an alkyl group, and so forth. Each n is 0 or 1, provided that in each of general formulae [1-1] and [1-2], at least one of n is 1. X is selected from an oxygen atom, a sulfur atom, a selenium atom, a tellurium atom, and N(R26). R26 is selected from a hydrogen atom, an alkyl group, and so forth.

Abstract: An organic light-emitting device including, in sequence, an anode, a light-emitting layer, a first organic compound layer in contact with the light-emitting layer, and a cathode, in which the light-emitting layer contains a host material and a guest material, the host material is a hydrocarbon compound whose carbon atoms are SP2 carbon atoms only, the hydrocarbon compound is represented by any of the following formulae [1-1] to [1-6]: Ar1 and Ar2 are each independently selected from aryl groups, each of Ar1 and Ar2 may further contain substituents, R1 to R8 are each independently selected from a hydrogen atom and aryl groups. The guest material is a light-emitting material containing a fluoranthene skeleton, and the first organic compound layer contains a compound containing fused polycyclic hydrocarbon skeleton having three or more rings and five or less rings.

Abstract: The present disclosure provides an organic light-emitting device including a pair of electrodes, and a light-emitting layer in which the light-emitting layer contains a guest molecule and a host molecule represented by the following general formula [1], and the guest molecule is an organometallic complex represented by the following general formula [2]: where in formula [1], R1 to R12 are each a hydrogen atom or a substituent, at least one of them is a substituent, each X is selected from an oxygen atom and so forth L, L?, and L? are each a different bidentate ligand, each of m, n and p is an integer, m+n+p=3, and a partial structure ML is selected from the foregoing general formulae [2-1] to [2-3], where in the formulae, R21 to R41 are each a hydrogen atom or a substituent.

Abstract: An organic light emitting element including an anode, a light emitting layer, and a cathode in this order, in which the light emitting layer contains a dopant material and a host material, the dopant material is a compound represented by General Formula [1], and the host material is a hydrocarbon. R1 to R8 are each independently selected from the group consisting of a hydrogen atom, an alkyl group, and the like, where R1 to R8 do not represent a cyano group, m represents an integer of 1 or greater and 3 or less, and n represents an integer of 0 or greater and 2 or less, where m+n is 3, and X represents a bidentate ligand.