Abstract: This invention is an aminostyrylanthracene compound represented by, for example, the following general formula [I]. This compound is produced by condensation from a corresponding aminobenzaldehyde and a phosphonic ester or phosphonium salt.

Abstract: A bis(aminostyryl)naphthalene compound represented by the general formula [I] or the like below.

Abstract: A bis(aminostyryl)naphthalene compound represented by the general formula [I] or the like below.

Abstract: This invention is an aminostyrylanthracene compound represented by, for example, the following general formula [I]. This compound is produced by condensation from a corresponding aminobenzaldehyde and a phosphonic ester or phosphonium salt.

Abstract: A bis(aminostyryl)naphthalene compound represented by the general formula [I] or the like below.

Abstract: Disclosed is a method of mounting chips, including the steps of: dipping a mounting board in a solvent in which chips are dispersed; and mounting the chips on the mounting board by forming electric field gradients on the mounting board in correspondence with positions where the chips are to be mounted. With this configuration, fine chips such as fine semiconductor chips can be mounted at desired positions on a mounting board with a high efficiency and a high yield.

Abstract: This invention is an aminostyrylanthracene compound represented by, for example, the following general formula [I]. This compound is produced by condensation from a corresponding aminobenzaldehyde and a phosphonic ester or phosphonium salt.

Abstract: An organic electroluminescent device of the type comprises an organic layer 5, 5a or 5b having a luminescent region and provided between an anode 2 and a cathode 3. The organic layer contains a distyryl compound represented by the following general formula (1). General Formula (1): wherein R1, R2, R3 and R4 are, respectively, groups which may be the same or different and independently represent an aryl group of the following general formula (2). General Formula (2): in which R9, R10, R11, R12 and R13 may be the same or different and, respectively, represent a hydrogen atom provided that at least one of them is a saturated or unsaturated alkoxyl group or an alkyl group, and R5, R6, R7 and R8 may be the same or different and, respectively, represent a hydrogen atom provided that at least one of them represents a cyano group, a nitro group or a halogen atom.

Abstract: Disclosed is a method of mounting chips, including the steps of: dipping a mounting board in a solvent in which chips are dispersed; and mounting the chips on the mounting board by forming electric field gradients on the mounting board in correspondence with positions where the chips are to be mounted. With this configuration, fine chips such as fine semiconductor chips can be mounted at desired positions on a mounting board with a high efficiency and a high yield.

Abstract: An organic electroluminescent device comprises an organic layer 5, 5a or 5b having a luminescent region and provided between an anode 2 and a cathode 3. The organic layer contains at least one distyryl compound represented by the following general formula (1).

Abstract: An organic electroluminescent device comprises an organic layer 5, 5a or 5b having a luminescent region and provided between an anode 2 and a cathode 3. The organic layer contains at least one distyryl compound represented by the following general formula (1). General formula (1): wherein R1 and R2 are, respectively, groups which may be the same or different and independently represent an aryl group of the following general formula (2). General formula (2): in which R4 to R8 may be the same or different and, respectively, represent a hydrogen atom, or at least one of them is a specified group such as a methoxy group, R3 represents a hydrogen atom or a specified group, and X represents a substituted or unsubstituted aryl group or hydrocarbon ring group.

Abstract: A bis(aminostyryl)benzene compound of the following general formula [I] is provided 1

Abstract: A bis(aminostyryl)naphthalene compound represented by the general formula [I] or the like below.

Abstract: A bis(aminostyryl)naphthalene compound represented by the general formula [I] or the like below.

Abstract: A bis(aminostyryl)benzene compound of the following general formula [I] is provided 1

Abstract: A bis(aminostyryl)benzene compound of the following general formula [I] is provided 1

Abstract: A bis(aminostyryl)benzene compound of the following general formula [I] is provided wherein R2 and R3 independently represent an unsubstituted aryl group, and R1 and R4 independently represent an aryl group, and R5 to R8 independently represent a cyano group or the like. A process for the preparation thereof is described wherein a 4-(N,N-diarylamino)benzaldehyde and a diphosphonic acid ester or diphosphonium salt are, for example, subjected to condensation reaction. Intermediates of the bis(aminostyryl)benzene compound are also described.

Abstract: An organic electroluminescent device comprises an organic layer 5, 5a or 5b, which has a luminescent region and contains at least one distyryl compound represented by the following general formula (1) wherein at least one of R1 to R4 represents a substituted or unsubstituted phenyl group and another at least one thereof represents a substituted or unsubstituted naphthyl group, and X represents a cyano, nitro or halogen-introduced anthracene group.

Abstract: A bis(aminostyryl)naphthalene compound represented by the general formula [I] or the like below. (where R2 and R3 each denotes an unsubstituted aryl group; R1 and R4 each denotes an aryl group having a specific substituent such as methoxy group; and R5 and R6 each denotes a cyano group or the like.) A process for producing a bis(aminostyryl)naphthalene compound represented by the general formula [I] by condensation of, for example, 4-(N,N-diarylamino)benzaldehyde with diphosphonic ester or diphosphonium The bis(aminostyryl)naphthalene compound emits intense yellow or red light. The process permits efficient production of the bis(aminostyryl)naphthalene compound.

Abstract: An organic electroluminescent device of the type comprises an organic layer 5, 5a or 5b, having a luminescent region, which contains a julolidyl-substituted styryl compound represented by the following general formula [I] General Formula [I]: wherein X1 and X2 independently represent a hydrogen atom, a hydroxyl group or an alkoxy group such as a methoxy group, R1 to R8 independently represent a lower alkyl group such as a methyl group, and R9 to R12 independently represent an electron attracting group such as a cyano group.