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: The present disclosure provides an organic light-emitting element including: a first electrode; a light-emitting layer; and a second electrode, wherein the light-emitting layer contains at least a first compound in which a naphthalene ring and a tricyclic or higher cyclic fused ring are bonded together by a single bond and a second compound in which the naphthalene ring and the fused polycyclic ring of the first compound are further cyclized.

Abstract: An organic compound represented by the following formula [1]: Ar is selected from the group consisting of a substituted or unsubstituted aryl group and a substituted or unsubstituted heteroaryl group. R1 and R2 are independently selected from the group consisting of a hydrogen atom and a substituent. m and n are selected from integers of 1 or more and 3 or less.

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]: R1 to R10 are each independently selected from the group consisting of a hydrogen atom, a deuterium atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, and a substituted or unsubstituted heterocyclic group. However, at least one of R2, R3, R8, and R9 is selected from the group consisting of a deuterium atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, and a substituted or unsubstituted 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.

Abstract: An organic compound represented by formula (1). In the formula (1), R1 to R18 are each independently selected from the group consisting of a hydrogen atom and a substituent. At least one of R1 to R18 represents a substituent. The substituent is an aryl group having at least one cyano group or a heterocyclic group having at least one cyano group.

Abstract: Provided is an organic compound represented by the general formula [1]: in the formula [1], R1 to R18 each represent a hydrogen atom, an alkyl group having 1 or more and 8 or less carbon atoms, an aromatic hydrocarbon group having 6 or more and 18 or less carbon atoms, or an aromatic heterocyclic group having 3 or more and 15 or less carbon atoms, and may be identical to or different from each other, and the plurality of R17's or the plurality of R18's may be identical to or different from each other, and the R1 to the R18 may each further have a substituent selected from a halogen atom and an alkyl group having 1 or more and 8 or less carbon atoms, and n represents an integer of 1 or more and 3 or less.

Abstract: An organic compound represented by [1], satisfying (i) and (ii), and represented by [2-1] or [2-2]. A-(B)m??[1] (i) T1 of the unit A<T1 of the unit B, and (ii) HOMO-LUMO orbitals responsible for T1 transition are present in the unit A, wherein R1 is selected from alkyl groups and the like, m denotes an integer of 1 or more and 5 or less, and n denotes an integer of 0 or more and 4 or less, the unit B is a fused ring with a partial structure represented by the general formula [3-1] or [3-2] or the like and is bonded to the unit A via a carbon atom, wherein X is selected from an oxygen atom, a sulfur atom, and the like, and the rings C to E independently denote a single ring and may have a deuterium atom or an alkyl group.

Abstract: An organic compound represented by the following general formula [1]: R1 to R8 are independently selected from the group consisting of a hydrogen atom, alkyl groups, and the like. Ar1 to Ar4 are independently selected from the group consisting of alkyl groups, aryl groups, and the like. L denotes a substituted or unsubstituted arylene group or the like. X is independently selected from the group consisting of an oxygen atom, a sulfur atom, and the like.

Abstract: An organic compound represented by the formula [1]: R1 to R19 are independently selected from the group consisting of a hydrogen atom, a deuterium atom, a halogen atom, and a substituent, and R9 and R19 are optionally bonded together. When R9 and R19 are bonded together, the bonding is selected from the group consisting of direct bonding, bonding via an oxygen atom or a sulfur atom, and bonding via CR20R21. R20 and R21 independently have the same meaning as R1 to R19. X1 and X2 independently denote an oxygen atom, a sulfur atom, CR20R21, or a single bond. Ar denotes an aromatic hydrocarbon group or a heterocyclic group, n denotes an integer in the range of 0 to 2, and m denotes an integer in the range of 1 to 4. When n is 0, any one of R1 to R8 is directly bonded to any one of R9 to R19.

Abstract: An organic light-emitting device includes, in sequence, an anode, a first light-emitting layer, a second light-emitting layer, and a cathode, in which the first light-emitting layer contains at least a first host and a first guest that fluoresces, the second light-emitting layer contains at least a second host and a second guest that fluoresces, each of the first light-emitting layer and the second light-emitting layer contains no amine compound, and each of the first host and the second host is a hydrocarbon compound whose carbon atoms are SP2 carbon atoms only and has any of structures represented by formulae [1] to [6]: where A to C are each an anthracene residue, a pyrene residue, a benzanthracene residue, a benzpyrene residue, a phenanthrene residue, or a fluoranthene residue, and each of A to C optionally further contains a phenyl group, a biphenyl group, a terphenyl group, or a naphthyl group.

Abstract: A composition contains an organic compound and an anthracene compound different from the organic compound, the anthracene compound having a hydrogen atom at at least one of positions 9 and 10, in which the concentration of the anthracene compound is 100 ppm or less. Additionally, a long-lived organic light-emitting device includes an organic compound layer containing a reduced concentration of the anthracene compound.

Abstract: An organic compound denoted by formula (1) below. In formula (1), each of R1 to R8 is selected from the group consisting of a hydrogen atom, an alkyl group, and the like. A represents a structure denoted by A above, * represents a position where bonding is performed. In A, B is selected from structures denoted by (B-1) and the like above, * represents a position where bonding is performed. In (B-1) and the like, each of R9 to R17 is selected from a hydrogen atom, an alkyl group, and the like. X represents an oxygen atom or a sulfur atom.

Abstract: The present disclosure provides an organic compound represented by general formula [1] below. In formula [1], Ar1 and Ar2 each represent an alkyl group having 1 to 8 carbon atoms, an aromatic hydrocarbon group having 6 to 18 carbon atoms, or a heteroaromatic group having 3 to 17 carbon atoms. Ar1 and Ar2 may be the same or different. Ar3 and Ar4 are each a substituent having a carbazolyl group. Ar3 and Ar4 may be the same or different. Ar1 to Ar4 may be substituted. At least one of Ar1 to Ar4 has a tert-butyl group. The total number of tert-butyl groups in one molecule of the organic compound is 2 or more.

Abstract: An organic compound represented by the following general formula [1] is provided. In the following general formula [1] IrLmL?n, where L and L? denote different bidentate ligands, the partial structure IrL denotes a partial structure represented by the general formula [A-1] or [A-2], and the partial structure IrL? denotes a partial structure represented by the general formula [B-1] or [B-2].

Abstract: A composition contains an organic compound and an anthracene compound different from the organic compound, the anthracene compound having a hydrogen atom at at least one of positions 9 and 10, in which the concentration of the anthracene compound is 100 ppm or less. Additionally, a long-lived organic light-emitting device includes an organic compound layer containing a reduced concentration of the anthracene compound.

Abstract: An organic compound represented by the following general formula [1] is excellent in thermal stability. In the general formula [1], R1 to R12 are each independently selected from the group consisting of a hydrogen atom and a substituent. Symbol A is selected from the group consisting of a divalent residue of naphthalene, phenanthrene, fluorene, benzofluorene, dibenzofluorene or spirofluorene, and a heteroarylene group having 4 to 12 carbon atoms. Symbol B is selected from the group consisting of an arylene group having 6 to 25 carbon atoms and a heteroarylene group having 4 to 12 carbon atoms. Symbol n is an integer of 0 to 3.

Abstract: The present disclosure provides an organic compound represented by general formula [1] below. In formula [1], Ar1 and Ar2 each represent an alkyl group having 1 to 8 carbon atoms, an aromatic hydrocarbon group having 6 to 18 carbon atoms, or a heteroaromatic group having 3 to 17 carbon atoms. Ar1 and Ar2 may be the same or different. Ar3 and Ar4 are each a substituent having a carbazolyl group. Ar3 and Ar4 may be the same or different. Ar1 to Ar4 may be substituted. At least one of Ar1 to Ar4 has a tert-butyl group. The total number of tert-butyl groups in one molecule of the organic compound is 2 or more.