Abstract: An electrochromic element in which a decrease in responsiveness is minimized by making a laminated structure have gas barrier properties, and a lens for spectacles, the electrochromic element in which a support and an electrochromic film having an electrode layer and an electrochromic layer are laminated, wherein a barrier layer is laminated in the laminated structure constituting the electrochromic element. The barrier layer preferably has gas barrier properties and transparency.

Abstract: A photochromic composition contains, in a predetermined combination: one or more photochromic compounds represented by General Formula 1; and one or more selected from the group consisting of a photochromic compound represented by General Formula A, a photochromic compound represented by General Formula B, and a photochromic compound represented by General Formula C.

Abstract: A photochromic composition containing one or more compounds represented by General Formula A and one or more compounds represented by General Formula B. In General Formula A, R1, R2, B1, and B2 each independently represent a hydrogen atom or a substituent, and R3 to R6 each independently represent a hydrogen atom or an electron-withdrawing group, provided that one or more of R3 to R6 represent an electron-withdrawing group. In General Formula B, R7 to R12, B3, and B4 each independently represent a hydrogen atom or a substituent, and R13 and R14 each independently represent a hydrogen atom or an electron-donating group, provided that one or more of R13 and R14 represent an electron-donating group.

Abstract: Provided are a photochromic compound represented by General Formula 1, and the like. In General Formula 1, R100 to R111, and X1 and X2 each independently represent a hydrogen atom or a substituent, and two or more substituents may be bonded to form a ring structure.

Abstract: An optical article including one or more photochromic compounds selected from group consisting of compound represented by general formula 1 and compound represented by general formula 2. In general formula 1, R1 to R8, and B1 and B2 each represent hydrogen atom or substituent, and at least either of B1 and B2 represents monovalent group represented by general formula 3; in general formula 2, R9 to R16, and B3 and B4 each represent hydrogen atom or substituent, and at least either of B3 and B4 represents monovalent group represented by general formula 3; and in general formula 3, Ar1 represents aryl group or heteroaryl group, R18 represents hydrogen atom or substituent, Ar1 and R18 may be coupled to form ring structure via single bond or divalent linking group, and * represents bonding position to adjacent carbon atom.

Abstract: The photochromic compound is represented by General Formula 1 . R30 and R31 each independently represent a linear or branched alkyl group having 2 or more carbon atoms, which is unsubstituted or has one or more substituents; a cyclic alkyl group having 3 or more carbon atoms which is unsubstituted or has one or more substituents; or represents a group represented by - (R100) nR101 which is unsubstituted or has one or more substituents, R100 represents an alkyleneoxy group, R101 represents an alkyl group, n represents an integer of 1 or more, a total number of carbon atoms of n alkyleneoxy groups represented by R100 and alkyl groups represented by R101 is 2 or more, R32 to R35 each independently represent a hydrogen atom or a substituent other than an electron-attracting group, and R36, R37, B7 and B8 each independently represent a hydrogen atom or a substituent.

Abstract: Provided is a photochromic compound represented by the following General Formula 1. In General Formula 1, Az represents a monovalent azine ring group which is unsubstituted or has a substituent, L represents a divalent or higher linking group, D represents a photochromic dye structure, a and c each independently represent an integer of 1 or more, b represents 0 or an integer of 1 or more; and when there are a plurality of Az's in General Formula 1, the plurality of Az's may be the same as or different from each other, and when there are a plurality of L's in General Formula 1, the plurality of L's may be the same as or different from each other.

Abstract: The photochromic composition contains one or more compounds represented by General Formula A, one or more compounds represented by General Formula B, and one or more compounds represented by General Formula C is provided. In General Formula A, R1 to R6, B1, and B2 each independently represent a hydrogen atom or a substituent. In General Formula B, R7 to R12, B3, and B4 each independently represent a hydrogen atom or a substituent, and R13 and R14 each independently represent an electron-donating group. In General Formula C, R15 to R20, B5, and B6 each independently represent a hydrogen atom or a substituent, and one of R21 and R22 represents a hydrogen atom and the other represents an electron-donating group.

Abstract: An organic electroluminescence composition including two or more compounds each having a specific structure combining a hole transporting ability and an electron transporting ability; an organic electroluminescence composition including one or more compounds each having a specific structure combining a hole transporting ability and an electron transporting ability and a different compound having an electron transporting skeleton; and a material for organic electroluminescence devices, a solution of a material for organic electroluminescence devices and an organic electroluminescence device, each including the aromatic heterocyclic derivative.

Abstract: A compound having a structure wherein at least 8-position or 9-position of fluoranthene is replaced by a nitrogen atom, a material for organic electroluminescence devices including the compound, and an organic electroluminescence device and an electronic equipment each including the material are provided. The compound is represented by formula (1): wherein A represents CR0 or N; R0 to R8 each independently represent a hydrogen atom or a substituent; at least one selected from R0 to R8 represents a substituent other than hydrogen atom; and groups selected from R0 to R8 which are bonded to adjacent carbon atoms may be bonded to each other to form a saturated or unsaturated ring structure.

Abstract: A compound has a first structure represented by a formula (1), a second structure represented by a formula (2), a third structure represented by a formula (3), and a fourth structure represented by a formula (4), the first structure, the second structure, the third structure and the fourth structure being mutually independently present in a molecule,

Abstract: A compound having a structure wherein at least 8-position or 9-position of fluoranthene is replaced by a nitrogen atom, a material for organic electroluminescence devices including the compound, and an organic electroluminescence device and an electronic equipment each including the material are provided. The compound is represented by formula (1): wherein A represents CR0 or N; R0 to R8 each independently represent a hydrogen atom or a substituent; at least one selected from R0 to R8 represents a substituent other than hydrogen atom; and groups selected from R0 to R8 which are bonded to adjacent carbon atoms may be bonded to each other to form a saturated or unsaturated ring structure.

Abstract: A composition or a compound suitable for use in forming the layer of organic EL device by a coating method, a material for organic electroluminescence devices including the composition or the compound, an ink composition including the composition or the compound, an organic electroluminescence device employing the composition or the compound, and an electronic device including the organic electroluminescence device are provided. The compound includes a nitrogen-containing hetero aromatic hydrocarbon group which has a substituent with a specific structure. The composition includes the compound.

Abstract: A compound having a structure wherein at least 8-position or 9-position of fluoranthene is replaced by a nitrogen atom, a material for organic electroluminescence devices including the compound, and an organic electroluminescence device and an electronic equipment each including the material are provided. The compound is represented by formula (1): wherein A represents CR0 or N; R0 to R8 each independently represent a hydrogen atom or a substituent; at least one selected from R0 to R8 represents a substituent other than hydrogen atom; and groups selected from R0 to R8 which are bonded to adjacent carbon atoms may be bonded to each other to form a saturated or unsaturated ring structure.

Abstract: Provided are a polymer compound, which comprises a copolymer containing at least a unit B, and a unit A and/or a unit C referring to repeating units A, B and C, and which has a weight-average molecular weight of from 50,000 to 1,500,000; a material for electronic devices and a material for organic electroluminescent devices comprising the compound; an organic electroluminescent device having an anode, a cathode and an organic thin film layer, wherein at least one organic thin film layer contains the polymer compound; a coating liquid containing the polymer compound and a solvent; and a method for producing an organic electroluminescent device using the coating liquid. Also provided is a polymer compound suitable to a coating method; a material for electronic devices and a material for organic electroluminescent devices comprising the compound; and an organic EL device, a coating liquid and a method for producing an organic EL device using the compound.

Abstract: A compound represented by formula (1): wherein *a, *b, R1, X1, L1, L2, n, A1, and A2 are as defined in the description, and a production method of the compound represented by formula (1) are provide. In the production method, A1 is introduced under a reaction condition in which the reactivity of Hal2 in a compound represented by formula (I): wherein *c, *d, R1, X1, L1, L2, n, A1, A2, Hal1, and Hal2 are as defined in the description, is extremely low as compared with that of Hal1 and then A2 which is different from A1 is introduced under a reaction condition in which the reactivity of Hal2 is high. The compound represented by formula (1) is formed into a layer by a coating method and meets various performance requirements of an organic EL device.

Abstract: Provided is a high-molecular compound having a structural unit (A) and a structural unit (B) differing from each other, wherein the structural unit (A) is represented by the following general formula (A-1) and the structural unit (B) has a structure containing an arylene group or a heteroarylene group. The high-molecular compound can produce an organic EL device having a long lifetime, and is favorable as a forming material for organic EL devices. [In the formula, ArA represents a linking group having a fluorene skeleton, L1, L2, Ar1 and Ar2 each are a predetermined group, at least one of Ar1 and Ar2 is a monovalent organic group represented by the following general formula (a). (In the formula, X represents a divalent group selected from —O—, —S—, —N(Rx)—, etc., R1 and R2 each represent a substituent, p is an integer of 0 to 3, q is an integer of 0 to 4, and * indicates a bonding position to L1 or L2.

Abstract: A cross-conjugated polymer having a hole transporting property and a solubility suitable for forming a film by coating, a material including the polymer for electronic device and organic electroluminescence device, a solution including the polymer, and an organic electroluminescence device are described. The organic electroluminescence device contains a cathode, an anode, and at least one organic thin film layer disposed between the cathode and the anode and contains a light emitting layer. At least one of the at least one organic thin film layer is a hole injecting layer or a hole transporting layer, and at least one of the hole injecting layer and the hole transporting layer contains the cross-conjugated polymer having a structural unit (A) for forming a cross-conjugation system as a repeating unit and a substituent X containing at least one of an arylamine portion, a carbazole portion, and an indole portion as a side chain.

Abstract: A polymer including a structural unit represented by the following formula (A). In the formula (A), P is independently a group represented by the following formula (P), a is an integer of 2 to 5, and b is an integer of 0 to 5. In the formula (P), A is independently a nitrogen atom or CR; X is a single bond, O, S, C(R)2 or NR. R is independently a hydrogen atom, a substituted or unsubstituted alkyl group including 1 to 20 carbon atoms or the like, or a single bond used for bonding to another P or L, provided that at least one R contained in (P)a is represented by any one of the following formulas (3) to (7).

Abstract: A polymer including structural units represented by the following formulas (A) and (B). In the formula (A), P is a group derived from a compound represented by the formula (P). L1 is a linkage group. In the formula (B), Q is a group derived from a compound represented by the formula (Q). L2 is a linkage group. In the formula (B), at least one of “c”Qs and “d”L2s includes a cross-linkable group.