Abstract: A compound represented by Formula (1): The compound can be used as insecticides.

Abstract: An organic electroluminescence device includes: an anode; an emitting layer; and a cathode, the emitting layer containing a first material, a second material and a third material, the first material being a fluorescent material, the second material being a delayed fluorescent material, the third material having a singlet energy larger than a singlet energy of the second material.

Abstract: An organic electroluminescence device includes an anode, an emitting layer, and a cathode, the emitting layer including a delayed-fluorescent first compound represented by a formula (1), and a fluorescent second compound. In the formula (1), Ar1 is a substituted or unsubstituted aryl group having 6 to 30 ring carbon atoms and the like, and ArEWG is a substituted or unsubstituted heteroaryl group having 5 to 30 ring atoms and including one or more nitrogen atom in the ring, or an aryl group having 6 to 30 ring carbon atoms and substituted by one or more cyano group, at least one of Ar1 and ArX being at least one group selected from the group consisting of groups represented by a formula (1a) and the like.

Abstract: A compound represented by the following formula (1).

Abstract: An organic electroluminescence device includes an anode, a cathode, a first organic layer interposed between the anode and the cathode, a second organic layer interposed between the first organic layer and the cathode, and a bipolar layer interposed between the first organic layer and the second organic layer and having bipolar characteristics, in which at least one of the first organic layer and the second organic layer includes the first compound and the second compound, the first compound exhibits delayed fluorescence, and an energy gap T77K(M2) at 77[K] of the second compound is larger than an energy gap T77K(M1) at 77[K] of the first compound.

Abstract: A nitrogen-containing heteroaromatic compound is represented by the following formula (A). wherein Y is an oxygen atom or a sulfur atom, M is a substituted or unsubstituted nitrogen-containing heteroaromatic group, and Ar2 is a substituted aromatic hydrocarbon group having 6 to 18 ring carbon atoms, a substituted or unsubstituted monocyclic heteroaromatic group having 5 or 6 ring atoms, a dibenzofuran ring group that may be substituted with a substituent (excluding a 3-carbazolyl group and an N-carbazolyl group), a dibenzothiophene ring group that may be substituted with a substituent (excluding a 3-carbazolyl group and an N-carbazolyl group), or a nitrogen-containing polycyclic group among nitrogen-containing polycyclic groups respectively represented by the following formulas (1) to (5).

Abstract: An organic electroluminescence device includes: an anode; an emitting layer; and a cathode, the emitting layer containing a first material, a second material and a third material, the first material being a fluorescent material, the second material being a delayed fluorescent material, the third material having a singlet energy larger than a singlet energy of the second material.

Abstract: Disclosed are a compound having, as a main skeleton, a polycyclic structure represented by the following general formula (1), a material for organic electroluminescence devices including the compound, an organic electroluminescence device using the compound, and electronic equipment having the organic electroluminescence device mounted thereon. A compound capable of realizing an organic EL device with high emission efficiency, a material for organic electroluminescence devices including the compound, an organic electroluminescence device using the compound, and electronic equipment having the organic electroluminescence device mounted thereon, are provided. In the formula (1), A, L, X1 to X16, R, RA, and RB are those defined in the specification.

Abstract: An organic electroluminescence device including two or more organic thin film layers including an emitting layer between an anode and a cathode, the emitting layer including at least one compound represented by the following formula (1), and an organic thin film layer that is in contact with the emitting layer on the cathode side comprising at least one benzimidazole compound represented by the following formula (A):

Abstract: An organic electroluminescence device includes an anode, an emitting layer and a cathode, in which the emitting layer includes a first compound and a second compound. The first compound is a compound represented by a formula (1) below and the second compound is a fluorescent compound.

Abstract: An organic electroluminescence device includes an anode, an emitting layer and a cathode, in which the emitting layer includes a first compound and a second compound. The first compound is a delayed-fluorescent compound. The second compound is represented by a formula (2) below, in which X is a nitrogen atom or a carbon atom bonded to Y; R21 to R26 are each independently a hydrogen atom or a substituent; Z21 and Z22 are each independently selected from the group consisting of a halogen atom, a substituted or unsubstituted aryl group, a substituted or unsubstituted alkoxy group, and a substituted or unsubstituted aryloxy group.

Abstract: An organic electroluminescence device includes an anode, an emitting layer and a cathode, in which the emitting layer includes a first compound, a second compound and a third compound. The first compound is a compound represented by a formula (1) below. The second compound has a larger singlet energy than a singlet energy of the first compound. The third compound is a fluorescent compound.

Abstract: An organic electroluminescence device includes an anode, an emitting layer and a cathode, in which the emitting layer includes a first compound and a second compound. The first compound is a delayed-fluorescent compound represented by a formula (1) below. The second compound includes at least one of a partial structure represented by a formula (21) below and a partial structure represented by a formula (22) below in one molecule.

Abstract: A compound that includes a structure including two or more structures represented by the following formula (1) in the same molecule and in which at least two of the structures represented by the formula (1) are directly bonded to each other by a single bond.

Abstract: A compound is represented by a formula (1) below, in which k is an integer of 0 or more, m is an integer of 1 or more, n is an integer of 2 or more. L is a substituted or unsubstituted aromatic hydrocarbon ring having 6 to 30 ring carbon atoms, CN is a cyano group, and D1 and D2 are each independently represented by one of a formula (2), a formula (3) and formula (3x) below, D1 and D2 being optionally mutually the same or different.

Abstract: A material for organic electroluminescence device having a specific central skeleton to which a cyano-substituted aromatic hydrocarbon group or a cyano-substituted heterocyclic group is bonded at its specific position is described. Further described is an organic electroluminescence device including an organic thin film layer between an anode and a cathode. The organic thin film layer include an light emitting layer and at least one layer of the organic thin film layer contains the material for organic electroluminescence device. The material for organic electroluminescence device realizes an organic electroluminescence device with good emission efficiency.

Abstract: A fluorene-containing aromatic compound represented by a formula (1) below. In the formula (1): Nr1 represents a substituted or unsubstituted monocyclic nitrogen-containing aromatic ring having 2 to 5 ring carbon atoms, or a bicyclic nitrogen-containing aromatic ring having 2 to 9 ring carbon atoms; Ar represents an aromatic ring and the like; Fl1 and Fl2 represent a fluorenyl group; and Cz1 and Cz2 represent a carbazolyl group. A compound represented by a formula (2) below is omitted from the fluorene-containing aromatic compound represented by the formula (1).

Abstract: A compound represented by the following formula (1).

Abstract: An object of the present invention is to provide a compound represented by Formula (1): wherein A1, A2, A3 and A4 each represent a carbon atom, a nitrogen atom or an oxidized nitrogen atom; R1 and R2 each represent a hydrogen atom, an optionally substituted alkyl group or an optionally substituted C1-C4 alkylcarbonyl group; G1 and G2 each represent an oxygen atom or a sulfur atom; X, which may be identical or different each other, represents a hydrogen atom, a halogen atom, a C1-C3 alkyl group or a trifluoromethyl group; n is an integer of 0 to 4; and Q1 represents an optionally substituted phenyl group, an optionally substituted naphthyl group or an optionally substituted heterocyclic group; Q2 represents a phenyl group or heterocyclic group having one or more substituents, at least one of the substituent being any of a C1-C4 haloalkoxy group, a C2-C6 perfluoroalkyl group, a C1-C6 perfluoroalkylthio group, a C1-C6 perfluoroalkylsulfinyl group and a C1-C6 perfluoroalkylsulfonyl group, an insecticide com

Abstract: A compound represented by Formula (1): The compound can be used as insecticides.