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 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 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 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 electron transport layer, a second electron transport layer, and a cathode, wherein the second electron transport layer includes a first material and a second material different from the first material, and the first electron transport layer includes a third material and a fourth material different from the third material.

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.

Abstract: The present disclosure provides an organic compound represented by general formula [1]. In formula [1], R1 to R22 are each independently selected from the group consisting of a hydrogen atom, an alkyl group, and so forth. Ar is selected from the group consisting of a residue of an aromatic hydrocarbon and a residue of a heterocyclic compound. Q1 to Q4 are each independently a direct bond or a linking group. The linking group is selected from the group consisting of 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 the group consisting of a hydrogen atom, an alkyl group, and so forth. k, l, m, and n are each 0 or 1.

Abstract: An organic compound represented by formula [1] is provided. Ring A is a polycyclic aromatic hydrocarbon ring having a fluoranthene skeleton and having 16 to 60 carbon atoms and optionally has, as a substituent, a substituted or unsubstituted alkyl group or the like. Rings B1 and B2 are aromatic hydrocarbon rings having 6 to 18 carbon atoms and each have two or more electron withdrawing groups. Q1 and Q2 respectively represent one of the electron withdrawing groups of the ring B1 and one of the electron withdrawing groups of the ring B2, and are respectively located at an ortho position of the ring B1 and at an ortho position of the ring B2 with respect to the ring A.

Abstract: The present disclosure provides an organic compound represented by general formula [1] In formula [1], R1 and R2 are each independently selected from a hydrogen atom, an alkyl group, and so forth, where Each R3 is independently selected from a deuterium atom, an alkyl group, and so forth, and l is an integer of 0 or more and 8 or less, m is an integer of 1 or more and 3 or less, and n is an integer of 0 or more and 2 or less, provided that m+n is 3, and X is a bidentate ligand, and a partial structure IrX is any of structures represented by general formulae [2] and [3].

Abstract: An organic EL device includes at least an anode, a first light-emitting layer, an intermediate layer, a second light-emitting layer, and a cathode in this order. The intermediate layer is adjacent to the first light-emitting layer and the second light-emitting layer. The first light-emitting layer and the second light-emitting layer can trap electrons. A material constituting the intermediate layer is a hydrocarbon that has a HOMO level equal to or lower than the HOMO level of a host of the first light-emitting layer and that has a high S1 level.

Abstract: An organic compound represented by M(L1)n(L2)m (M represents a metal atom, n+m=3, n?1), in which M(L1) is represented by any one of General Formulae [1] to [3], and M(L2) is represented by General Formulae [4] or [5], a ring A is selected from structures represented by General Formulae [6] or [7],

Abstract: An organic light emitting device including, in sequence, a first electrode, a first charge transport layer, a second charge transport layer in contact with the first charge transport layer, a light emitting layer in contact with the second charge transport layer, and a second electrode, wherein the first charge transport layer includes a first material and a second material, the second charge transport layer includes the second material and a third material, and the light emitting layer includes the third material and a fourth material.

Abstract: An organic compound represented by formula [1]. In the formula rings Q represented by formula [1-1] are each independently present at positions *1 and *2 such that positions * of the rings Q correspond to the positions *1 and *2. The rings Q may be the same or different. R4 and R5 represent groups each independently selected from the group consisting of a hydrogen atom and a substituted or unsubstituted aryl group. The rings Q are aromatic hydrocarbons. R1 to R3 represent groups each independently selected from the group consisting of a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, and a cyano group. At least one of R1 to R3 represents a cyano group.

Abstract: An organic light-emitting element including a positive electrode, a negative electrode; and a light-emitting layer between the positive electrode and the negative electrode, wherein the light-emitting layer contains a first compound represented by the following formula [1] and a second compound represented by the following formula [2]. In the following formula [1], L denotes a bidentate ligand with a main backbone of naphtho[2,1-f]isoquinoline or phenanthro[2,1-f]isoquinoline.

Abstract: An organic light emitting device including, in sequence, a first electrode, a first charge transport layer, a second charge transport layer in contact with the first charge transport layer, a light emitting layer in contact with the second charge transport layer, and a second electrode, wherein the first charge transport layer includes a first material and a second material, the second charge transport layer includes the second material and a third material, and the light emitting layer includes the third material and a fourth material.

Abstract: An organic compound is represented by general formula [1-1]. In general formula [1-1], X is an oxygen atom, a sulfur atom, a selenium atom, or a tellurium atom, and R1 to R18 are each independently selected from the group consisting of 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 aromatic hydrocarbon group, a substituted or unsubstituted heterocyclic group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted silyl group, and a cyano group.

Abstract: Provided is an organic compound represented by the following general formula [1], the compound having an absorption peak in a long wavelength region: where Ar1 and Ar2 each represent an aryl group having 6 or more and 18 or less carbon atoms or the like, R1 and R2 each represent an alkyl group or the like, R3 represents a hydrogen atom or the like, Y1 to Y3 are each independently selected from a methine group and a nitrogen atom, R4 represents a substituent represented by the general formula [1-1] or the like, and R5 represents a hydrogen atom or a substituent.

Abstract: An organic compound represented by the following formula (1): where in formula (1), Ar is a carbazolyl group, an aryl group, or a heterocyclic group containing a chalcogen element, provided that when Ar is a phenanthrenyl group, the phenanthrenyl group contains a substituent, and R1 to R21 are each independently selected from the group consisting of a hydrogen atom, a deuterium atom, a halogen atom, an alkyl group, an alkoxy group, a silyl group, an amino group, an aryl group, and a heterocyclic group.

Abstract: An organic compound represented by formula [1]. The compounds are of the class of diacenaphthochrysene compound, useful as organic light emitting device. In the formula [1], R1 to R18 are each independently selected from the group consisting of a hydrogen atom and a substituent.