Abstract: The present invention relates to a thiophene-containing compound and a thiophene-containing compound polymer which are useful for organo-electronic devices such as electrophotographic photoreceptors (photosensitive elements), organic electroluminescent elements and organic transistors. More specifically, the invention relates to a thiophene-containing compound and a thiophene-containing compound polymer which are excellent in terms of both charge-transporting properties and luminous properties.

Abstract: A method for producing a polymer organic electronic material comprising: synthesizing a polymer organic electronic material by condensing a precursor monomer for the polymer organic electronic material in the presence of a metal catalyst, preparing a polymer organic electronic material solution by dissolving the polymer organic electronic material in an organic solvent, and removing metal ions, which originate from the metal catalyst, from the polymer organic electronic material solution by using an ion exchange resin; a polymer organic electronic material which can be obtained by the method; and an organic electroluminescent device which uses the polymer organic electronic material.

Abstract: The present invention provides a diamine compound polymer and a method for producing the diamine compound polymer. The diamine compound polymer of the present invention has a condensed aromatic group represented by the following formulae (1-1) and (1-2). A represents a structure represented by the following formula (II-1). Y and Z represent divalent hydrocarbon groups. B and B? each independently represents a group represented by —O—(Y—O)m-H or —O—(Y—O)m-CO-Z-CO—OR?, wherein R? is a hydrogen atom, an aralkyl group, an aryl group, or an aralkyl group. m represents an integer from 1 to 5; and p represents an integer from 5 to 5000. Ar represents a monovalent aromatic group. X represents a divalent condensed aromatic group. T represents a divalent linear hydrocarbon group having 1 to 6 carbon atoms or a divalent branched hydrocarbon group having 2 to 10 carbon atoms. k and n each represents an integer of 0 or 1.

Abstract: The invention provides an organic electroluminescence device including an organic compound layer, wherein the organic compound layer is constituted of two or more layers at least including a light emitting layer and a buffer layer, at least one layer of the organic compound layers contains a charge-transporting polyester, which includes a repeating unit containing, as a partial structure, at least one selected from structures represented by following general formulas (I-1) and (I-2); and the buffer layer is provided adjacent to the anode and contains at least a charge injecting material: [chem 1] wherein, in the general formulas (I-1) and (I-2), Ar represents a substituted or non-substituted monovalent aromatic group; X represents a substituted or non-substituted divalent aromatic group; k, m and l each represents 0 or 1; and T represents a linear divalent hydrocarbon with 1 to 6 carbon atoms or a branched hydrocarbon with 2 to 10 carbon atoms.

Abstract: A charge-transporting polymer is represented by the following general formula (I-1) or (I-2): wherein A represents a group represented by the following general formula (II-1):

Abstract: The present invention provides an organic semiconductor transistor element that includes at least a source electrode, a drain electrode, an organic semiconductor formed to be electrically conductive to the source electrode and the drain electrode, and a gate electrode which is both insulated from the organic semiconductor and capable of applying an electric field. The organic semiconductor includes a polymer compound containing an aromatic tertiary amine.

Abstract: An organic electro-luminescent device comprising one or more organic compound layers sandwiched between a pair of electrodes, at least one of which electrodes is transparent or semi-transparent, wherein at least one of the one or more organic compound layers comprises at least one polyurethane compound having a repeating unit represented by the following general formula (I). At least one of A and B in general formula (I) represents a divalent group represented by one of the following general formulae (II) to (VI).

Abstract: The present invention relates to a thiophene-containing compound and a thiophene-containing compound polymer which are useful for organo-electronic devices such as electrophotographic photoreceptors (photosensitive elements), organic electroluminescent elements and organic transistors. More specifically, the invention relates to a thiophene-containing compound and a thiophene-containing compound polymer which are excellent in terms of both charge-transporting properties and luminous properties.

Abstract: The present invention provides a diamine compound polymer and a method for producing the diamine compound polymer. The diamine compound polymer of the present invention has a condensed aromatic group represented by the following formulae (1-1) and (1-2). A represents a structure represented by the following formula (II-1). Y and Z represent divalent hydrocarbon groups. B and B? each independently represents a group represented by —O—(Y—O)m—H or —O—(Y—O)m—CO-Z-CO—OR?, wherein R? is a hydrogen atom, an aralkyl group, an aryl group, or an aralkyl group. m represents an integer from 1 to 5; and p represents an integer from 5 to 5000. Ar represents a monovalent aromatic group. X represents a divalent condensed aromatic group. T represents a divalent linear hydrocarbon group having 1 to 6 carbon atoms or a divalent branched hydrocarbon group having 2 to 10 carbon atoms. k and n each represents an integer of 0 or 1.

Abstract: The present invention provides an organic electroluminescent device including a pair of electrodes including an anode and a cathode, at least one of which is transparent or translucent; and one or more organic compound layers placed between the pair of electrodes, wherein at least one of the organic compound layers contains a charge transport material that satisfies the following relations: (ta?tT)/ta<0.5 ??Expression (1) D/?<20 ??Expression (2) wherein, in an electric field of 10 V/?m, tT is a transit time of a transient photocurrent waveform; IT is a current value at time tT; Ia is half of the current value IT; ta is a time at the current value Ia on the transient photocurrent waveform; D and ? are respectively a diffusion coefficient and a true mobility obtained from the transient photocurrent waveform; and D/? is the ratio of D to ?.

Abstract: An organic electroluminescent element having at least one pair of electrodes including an anode and a cathode, at least one of which having light transmissive, and at least one organic compound layer disposed between the electrodes, wherein the at least one organic compound layer contains at least one kind of non-conjugated polymer having terminal groups, and at least one of terminal groups of the non-conjugated polymer contains a fluorescent substance emitting fluorescence in a solid state.

Abstract: An organic electro-luminescent device comprising one or more organic compound layers sandwiched between a pair of electrodes, at least one of which electrodes is transparent or semi-transparent, wherein at least one of the one or more organic compound layers comprises at least one polyurethane compound having a repeating unit represented by the following general formula (I). At least one of A and B in general formula (I) represents a divalent group represented by one of the following general formulae (II) to (VI).

Abstract: Disclosed is an organic electroluminescent element comprising at least one pair of electrodes comprising an anode and a cathode, at least one of which having light permeability, and one or a plurality of organic compound layers held between the electrodes, wherein at least one organic compound layer contains at least one kind of charge-transferable polyether comprising a repetition unit containing at least one partial structure selected from the group consisting of the following general formulae (I-1) and (I-2).

Abstract: An organic light emitting diode having high luminous intensity, and providing stabilized performance even during repetitive use and easy to manufacture, by using a charge transporting polymer having the following general formulae (I-1) and (I-2). where Ar represents a substituted or non-substituted monovalent polynulear aromatic ring having number of aromatic rings of 3 to 10, X represents a substituted or non-substituted bivalent aromatic group, T represents a bivalent linear hydrocarbon group of 1 to 6 carbon atoms, m represents an integer of 1 to 3 and k represents 0 or 1.

Abstract: An organic electroluminescence device contains a hole transporting polyesters represented by the following formulae (I-1) or (I-2): where Ar represents a substituted or unsubstituted monovalent polynulear aromatic ring having a number of aromatic rings of 3 to 10, or a substituted or unsubstituted monovalent condensed aromatic ring having a number of aromatic rings of from 2 to 10, X represents a substituted or unsubstituted bivalent aromatic group, T represents a bivalent linear hydrocarbon group of 1 to 6 carbon atoms or bivalent branched hydrocarbon group of 2 to 20 carbon atoms and k represents 0 or 1.

Abstract: A semiconductor device having laminated successively a porous semiconductor layer, an inorganic semiconductor layer, and optionally an organic substance layer formed therebetween is disclosed. The semiconductor device is produced by immersing a porous semiconductor layer or a semiconductor layer having an organic substance layer on the surface thereof in a solution containing the elements constituting an inorganic semiconductor or compounds of the elements and forming the inorganic semiconductor layer on the porous semiconductor layer or the organic substance layer in the solution.

Abstract: A charge-transporting polymer is represented by the following general formula (I-1) or (I-2): 1

Abstract: An organic electroluminescence device contains a hole transporting polyesters represented by the following formulae (I-1) or (1-2): 1

Abstract: An organic light emitting diode having high luminous intensity, and providing stabilized performance even during repetitive use and easy to manufacture, by using a charge transporting polymer having the following general formulae (I-1) and (I-2).

Abstract: A method for producing a composite material, wherein compound A having a group selected from an aliphatic hydrocarbon group, aromatic hydrocarbon group and heterocycle-containing group which comprises a functional group which can bond to a compound B allowed to bond to a substrate, then compound B having a functional group which can bond to said functional group in compound A is allowed to bond to compound A is disclosed. Embodiments in which compound A is represented by formula (1); R1M1Y13, formula (2); R1R2M1Y12, formula (3); R1R2R3M1Y1 and formula (4); R1—SH: embodiments in which compound A is a silane compound: the functional group of compound A is a halogen group or an epoxy group: and embodiments in which compound B is selected from aliphatic hydrocarbon compounds, aromatic hydrocarbon compounds and heterocycle-containing compounds having an amino group, carboxyl group or hydroxyl group, are preferred.