Abstract: A photoelectric conversion device comprises an organic photoelectric conversion film intervening between at least two electrodes, the organic photoelectric conversion film comprising a positive hole transporting photoelectric conversion film and an electron transporting photoelectric conversion film, wherein each of the positive hole transporting photoelectric conversion film and the electron transporting photoelectric conversion film has absorption in a visible range, and a difference in wavelength between longer wavelength ends of absorption of the positive hole transporting photoelectric conversion film and the electron transporting photoelectric conversion film is 50 nm or less.

Abstract: An image pickup device comprises an organic photoelectric conversion film sandwiched between at least two electrodes, wherein the organic photoelectric conversion file comprises a specific quinacridone derivative or a specific quinazoline derivative.

Abstract: To provide an organic electroluminescent device having excellent durability and having high luminous efficiency and luminance, which can be effectively utilized for surface light sources such as full color displays, backlights, and illuminating light sources and light source arrays such as printers, the organic electroluminescent device includes at least one organic compound layer containing a light emitting layer between a pair of electrodes, wherein the light emitting layer contains a host material and a phosphorescent material; the host material is a five-coordinate metal complex; and the phosphorescent material is at least one Ir complex having a specific partial structure.

Abstract: An organic luminescent device material, comprising an amine compound represented by the following formula (I): wherein R1, R2 and R3, which are the same or different, each represents an unsubstituted or substituted aryl group, an unsubstituted or substituted heterocyclic group or an unsubstituted or substituted aliphatic hydrocarbon group, provided that at least two among R1, R2 and R3 are each an unsubstituted or substituted aryl or heterocyclic group; or any two among R1, R2 and R3 combine with each other to complete a ring; provided that at least one among R1, R2 and R3 has a moiety represented by the following formula (II), wherein R4, R5 and R6 each represents a hydrogen atom or a substituent group, Z1 represents atoms forming a 5, 6 or 7-membered ring, and m represents 0, 1 or 2.

Abstract: A compound represented by the following formula (I): wherein R1, R2 and R3each represents an aryl group, a heterocyclic group or an aliphatic hydrocarbon group, provided that at least one of R1, R2 and R3 represents an aryl group or a heterocyclic group and at least one of the aryl group and heterocyclic group contains a group represented by formula (II), R1, R2 and R3 may be linked to each other to form a ring, wherein R4, R5 and R6, each represents a hydrogen atom or a substituent; X1 represents an oxygen atom, a sulfur atom, N—RX1 or CRX2RX3; RX1, RX2,RX3 each represents a hydrogen atom or a substituent; R4, R5, R6 and X1 may be linked to each other to form a ring; Y represents an oxygen atom, a sulfur atom, or N—RY1; and RY1 represents a hydrogen atom or a substituent.

Abstract: A red light emitting element material with high color purity and a light emitting element using the red light emitting element material. A light emitting element material including a compound which is expressed by following general formula (A) and a light emitting element using the compound. In the following general formula (A), at least two of R1, R2, and R3 each independently represents an aryl group or heterocyclic group, and at least one of the R1, R2, and R3 contains a group expressed by following general formula (B). In the general formula (B), R4 represents a heterocyclic group or electron attracting group, R5 represents a hydrogen atom or electron attracting group, R6, R7, and R8 each independently represents a hydrogen atom or substituent, and m represents 0, 1, or 2. However, in a case in which only one group expressed by the general formula (B) is contained in the general formula (A), R4 and R5 are not cyano groups at the same time.

Abstract: A compound represented by the following formula (II): wherein L12 represents one of a from 2- to 6-valent connecting group having a heteroaryl group and a from 2- to 6-valent connecting group comprising a non-conjugate connecting group having an arylene group; n2 represents an integer of from 2 to 6; R represents one of an alkyl group having from 1 to 20 carbon atoms, an aryl group having from 6 to 20 carbon atoms, a heteroaryl group having from 2 to 20 carbon atoms and a silyl group having from 3 to 20 carbon atoms; and m represents an integer of from 0 to 6.

Abstract: A styrylamine compound comprising a structure represented by the following formula (XI): wherein Z2, R21, R22, R26, R27 and n are as defined in the specification.

Abstract: An organic electroluminescent device comprising a pair of electrodes and at least one organic layer including a light-emitting layer between the pair of electrodes, wherein the light-emitting layer contains a hole-transporting material, an electron-transporting material and a luminescent material; and an ionization potential of the hole-transporting material, Ip (HL), an ionization potential of the electron-transporting material, Ip (EL), and an ionization potential of the luminescent material, Ip (L) satisfy the relationship: Ip (L)?IP (HL)?Ip (EL).

Abstract: A light-emitting material comprises a compound having a partial structure represented by the following formulas (8), (20) and tautomers thereof: wherein the variables are as defined in the specification.

Abstract: A light-emitting material comprises a compound having a partial structure represented by the following formula (1) or tautomer thereof:

Abstract: A light-emitting device comprising: a pair of electrodes formed on a substrate; and at least one organic compound layer containing a light-emitting layer provided between the electrodes, wherein the at least one organic compound layer comprises a host material, a layer of the host material has an energy gap of not less than 3.6 eV and an ionization potential of the host material is from 5.4 eV to 6.3 eV.

Abstract: An organic luminescent device material, comprising an amine compound represented by the following formula (I): 1

Abstract: A light-emitting element is disclosed, which comprises a substrate having provided thereon a pair of opposed electrodes between which are provided a light-emitting layer containing at least one light-emitting material selected from the compounds represented by the following general formula (I) and a host material, and which has an organic membrane having a larger ionization potential than that of the host material between the light-emitting layer and the cathode, with the organic membrane being in contact with the light-emitting layer: general formula (I) 1

Abstract: A light-emitting device comprising: a pair of electrodes formed on a substrate; and at least one organic compound layer containing a light-emitting layer provided between the electrodes, wherein the at least one organic compound layer comprises a host material, a layer of the host material has an energy gap of not less than 3.6 eV and an ionization potential of the host material is from 5.4 eV to 6.3 eV.

Abstract: An organic luminescent device material, comprising an amine compound represented by the following formula (I): wherein R1, R2 and R3, which are the same or different, each represents an unsubstituted or substituted aryl group, an unsubstituted or substituted heterocyclic group or an unsubstituted or substituted aliphatic hydrocarbon group, provided that at least two among R1, R2 and R3 are each an unsubstituted or substituted aryl or heterocyclic group; or any two among R1, R2 and R3 combine with each other to complete a ring; provided that at least one among R1, R2 and R3 has a moiety represented by the following formula (II), wherein R4, R5 and R6 each represents a hydrogen atom or a substituent group, Z1 represents atoms forming a 5, 6 or 7-membered ring, and m represents 0, 1 or 2.

Abstract: An object of the present invention is to provide a red light emitting element material with high color purity and a light emitting element using the red light emitting element material. The present invention is a light emitting element material including a compound which is expressed by following general formula (A) and a light emitting element using the compound. In the following general formula (A), at least two of R1, R2, and R3 each independently represents an aryl group or heterocyclic group, and at least one of the R1, R2, and R3 contains a group expressed by following general formula (B). In the general formula (B), R4 represents a heterocyclic group or electron attracting group, R5 represents a hydrogen atom or electron attracting group, R6, R7, and R8 each independently represents a hydrogen atom or substituent, and m represents 0, 1, or 2.

Abstract: A light emitting device material comprising a compound represented by the following formula (I): 1

Abstract: An organic electroluminescence device including at least one organic thin film between electrodes, which contains at least one compound represented by the following formula (1): wherein X11 represents a sulfur atom or N—R19, and R11 to R18 and R19, which may be the same or different, each represents a hydrogen atom or a substituent, provided that R16 and R17 are not combined to form an aromatic ring.

Abstract: A material for a light emitting device which is a compound represented by the following formula (I): wherein Ar1 and Ar6, which are the same or different, each represents a divalent aryl group or a divalent heterocyclic group; R2, R3, R7 and R8, which are the same or different, each represents an aryl group, a heterocyclic group or an aliphatic hydrocarbon group; R4a, R5a, R9a and R10a, which are the same or different, each represents a hydrogen atom or a monovalent group, and at least one of R4a, R5a, R9a and R10a represents an electron withdrawing group having a Hammett's &sgr;p value of 0.