Abstract: This invention provides a luminescent composition comprising a polymer and at least one phosphorescent compound, characterized in that the electronic conjunction chain coefficient Ze of the main repeating minimum unit of the polymer falls within the following range: 0<Ze?2.00 (1) wherein the electronic conjunction chain coefficient Ze is defined as a slope obtained by linear approximation of function Tm=Tm (1/ne) by the least square method wherein ne represents the number of conjugated electrons contained in repeating minimum units; and Tm represents, for m-mer obtained by bonding repeating minimum units, the lowest triplet excitation energy in each m-mer when the number m is varied from 1 to 3 by one by one. Here in the number of conjugated electrons, only the conjugated electrons present in the main chain of the repeating minimum units are taken into consideration, provided that, when there are a plurality of main repeating minimum units, the minimum Ze is used.

Abstract: A polymer compound is provided having constitutional units of formula (1) and formula (2), and a constitutional unit of formula (3) and/or (4?): wherein Ar1 to Ar4, Ar20, Ar30? and Ar40 represent arylene groups or the like; Ar5 to Ar7 represent aryl groups or the like; Ar8 represents (2+p)-valent aromatic hydrocarbon group or the like; Ar10 represents (2+n)-valent aromatic hydrocarbon group or the like; R1 represents alkyl group or the like; La, Lb, Lg and Lh represent alkylene groups or the like; LA and LD represent oxygen atoms or the like; Q1 represents monovalent crosslinkable group; Q2? to Q4? represent monovalent crosslinkable groups or the like; x, y, c, nA and nD represent 0 or 1; p represents integer of 1 or greater; na and ng represent integer of 0 to 3; nb and nh represent integer of 0 to 12; and n represents integer of 1 to 4.

Abstract: This invention provides a luminescent composition comprising a polymer and at least one phosphorescent compound, characterized in that the electronic conjunction chain coefficient Ze of the main repeating minimum unit of the polymer falls within the following range: 0<Ze?2.00 (1) wherein the electronic conjunction chain coefficient Ze is defined as a slope obtained by linear approximation of function Tm=Tm (1/ne) by the least square method wherein ne represents the number of conjugated electrons contained in repeating minimum units; and Tm represents, for m-mer obtained by bonding repeating minimum units, the lowest triplet excitation energy in each m-mer when the number m is varied from 1 to 3 by one by one. Here in the number of conjugated electrons, only the conjugated electrons present in the main chain of the repeating minimum units are taken into consideration, provided that, when there are a plurality of main repeating minimum units, the minimum Ze is used.

Abstract: This invention provides a luminescent composition comprising a polymer and at least one phosphorescent compound, characterized in that the electronic conjunction chain coefficient Ze of the main repeating minimum unit of the polymer falls within the following range: 0<Ze?2.00 (1) wherein the electronic conjunction chain coefficient Ze is defined as a slope obtained by linear approximation of function Tm=Tm(1/ne) by the least square method wherein ne represents the number of conjugated electrons contained in repeating minimum units; and Tm represents, for m-mer obtained by bonding repeating minimum units, the lowest triplet excitation energy in each m-mer when the number m is varied from 1 to 3 by one by one. Here in the number of conjugated electrons, only the conjugated electrons present in the main chain of the repeating minimum units are taken into consideration, provided that, when there are a plurality of main repeating minimum units, the minimum Ze is used.

Abstract: Disclosed is an device having high light-emitting efficiency. A metal complex represented by the following formula (1). In the formula (1), n represents an integer of 1 to 3. LA and LB each independently represent the moiety of a group bonded to an iridium atom, except for coordinating atoms. When n is 3, a metal complex represented by the following formula (1-3): wherein Me represents a methyl group) is excluded.

Abstract: Disclosed is a composition containing a metal complex and an organic compound, wherein the difference between the absolute value of the energy level of the lowest unoccupied molecular orbit of said metal complex and the absolute value of the lowest unoccupied molecular orbit of said organic compound, as calculated with a computational technique, is less than 0.40 eV.

Abstract: A polymer compound is provided having constitutional units of formula (1) and formula (2), and a constitutional unit of formula (3) and/or (4?): wherein Ar1 to Ar4, Ar20, Ar30? and Ar40 represent arylene groups or the like; Ar5 to Ar7 represent aryl groups or the like; Ar8 represents (2+p)-valent aromatic hydrocarbon group or the like; Ar10 represents (2+n)-valent aromatic hydrocarbon group or the like; R1 represents alkyl group or the like; La, Lb, Lg and Lh represent alkylene groups or the like; LA and LD represent oxygen atoms or the like; Q1 represents monovalent crosslinkable group; Q2? to Q4? represent monovalent crosslinkable groups or the like; x, y, c, nA and nD represent 0 or 1; p represents integer of 1 or greater.; na and ng represent integer of 0 to 3; nb and nh represent integer of 0 to 12; and n represents integer of 1 to 4.

Abstract: A copolymer having two or more repeating units selected from the group consisting of arylene groups, divalent heterocyclic groups and divalent aromatic amine groups wherein the copolymer has, on at least one of molecular chain ends, a monovalent heterocyclic group, a monovalent group derived from a heterocyclic group coordinated metal complex, and an aromatic end group selected from aryl groups having a formula weight of 90 or more, and the copolymer shows fluorescence in the solid state and has a polystyrene-reduced weight-average molecular weight of 103 to 108.

Abstract: A polymer compound comprising at least one repeating unit selected from the group of repeating units shown by formula (1) or formula (2), wherein Ar1 to Ar4 represent an arylene group etc.; E1, E2, and E3 represent an aryl group (A) having three or more substituents, or a heterocyclic group (B) having one or more substituents, and the total number of substituents and hetero atoms of the heterocyclic ring is three or more; a and b represent 0 or 1, and 0<=a+b<=1, wherein Ar5 to Ar10 and Ar11 represent an arylene group etc.; E4 to E9 represent an aryl group or a monovalent heterocyclic group; l, m and n represent 0 to 2; o and p represent 0 or 1, and l+m+n+o+p is 2 or more.

Abstract: Disclosed is an device having high light-emitting efficiency. A metal complex represented by the following formula (1). In the formula (1), n represents an integer of 1 to 3. LA and LB each independently represent the moiety of a group bonded to an iridium atom, except for coordinating atoms. When n is 3, a metal complex represented by the following formula (1-3): wherein Me represents a methyl group) is excluded.

Abstract: A polymer compound comprising at least one repeating unit selected from the group of repeating units shown by formula (1) or formula (2), wherein Ar1 to Ar4 represent an arylene group etc.; E1, E2, and E3 represent an aryl group (A) having three or more substituents, or a heterocyclic group (B) having one or more substituents, and the total number of substituents and hetero atoms of the heterocyclic ring is three or more; a and b represent 0 or 1, and 0<=a+b<=1, wherein Ar5 to Ar10 and Ar11 represent an arylene group etc.; E4 to E9 represent an aryl group or a monovalent heterocyclic group; l, m and n represent 0 to 2; o and p represent 0 or 1, and l+m+n+o+p is 2 or more.

Abstract: A polymer material comprising a composition containing a fluorescent conjugated polymer (A) and a phosphorescent compound (B) or comprising a polymer having the structure of (A) and the structure of (B) in the same molecule, wherein the following conditions (1), (2) and (3) are satisfied: (1) at least one of the light emission peak wavelengths of the fluorescent conjugated polymer (A) is less than 500 nm, (2) the light emission peak wavelengths of the phosphorescent compound (B) are not less than 500 nm, (3) the following relation is satisfied: ETA?ESA 0?(ETB?ESB0)?0.2 (unit; eV) ??(Eq 1) (wherein, ESA 0 represents energy of the fluorescent conjugated polymer (A) at the ground state, ETA represents energy of the fluorescent conjugated polymer (A) at the lowest excited triplet state, ESB 0 represents energy of the phosphorescent compound (B) at the ground state, and ETB represents energy of the phosphorescent compound (B) at the lowest excited triplet state).

Abstract: A polymer compound comprising at least one repeating unit selected from the group of repeating units shown by formula (1) or formula (2), wherein Ar1 to Ar4 represent an arylene group etc.; E1, E2, and E3 represent an aryl group (A) having three or more substituents, or a heterocyclic group (B) having one or more substituents, and the total number of substituents and hetero atoms of the heterocyclic ring is three or more; a and b represent 0 or 1, and 0<=a+b<=1, wherein Ar5 to Ar10 and Ar11 represent an arylene group etc.; E4 to E9 represent an aryl group or a monovalent heterocyclic group; l, m and n represent 0 to 2; o and p represent 0 or 1, and l+m+n+o+p is 2 or more.

Abstract: A metal complex composition comprising a metal complex including a structure represented by the following formula (1) and a charge transport material, wherein in the formula (1), Ra represents an alkyl group having 2 to 30 carbon atoms, and R1, R2, R3 and R4 each independently represent a hydrogen atom, an alkyl group having 1 to 30 carbon atoms that may have a substituent, or the like, provided that adjacent groups among R1, R2, R3 and R4 may be bonded to each other to form a ring structure.

Abstract: A polymer light emitting material which contains a polymer compound comprising a repeating unit of the following formula (1) or (2) and having a polystyrene-reduced number-average molecular weight of 103 to 108, and which exhibits light emission from the triplet excited state. [wherein Ar1 and Ar2 each independently represent a trivalent aromatic hydrocarbon group or a trivalent heterocyclic group. X1 and X2 each independently represent O, S, C(?O), S(?O), SO2, C(R1)(R2), Si(R3)(R4), N(R5), B(R6), P(R7) or P(?O)(R8). X1 and Ar2 bond to adjacent carbon atoms in the aromatic ring of Ar1; and X2 and Ar1 bond to adjacent carbon atoms in the aromatic ring of Ar2]; [wherein Ar3 and Ar4 each independently represent a trivalent aromatic hydrocarbon group or a trivalent heterocyclic group. X3 and X4 each independently represent N, B, P, C(R9) or Si(R10). X3 and Ar4 bond to adjacent carbon atoms in the aromatic ring of Ar3; and X4 and Ar3 bond to adjacent carbon atoms in the aromatic ring of Ar4].

Abstract: The present invention relates to a polymer film comprising a polymer having liquid crystallinity, having a number-average molecular weight in terms of polystyrene of 103 to 108 and having an electron mobility or hole mobility of 10?5 cm2/Vs or more, and having a film thickness in the range from 1 nm to 100 ?m. This polymer film can be used for various polymer film devices such as an organic transistor, organic solar battery, optical sensor, electrophotographic photoreceptor, spatial light modulator, photorefractive device and the like.

Abstract: Disclosed is a composition containing a metal complex and an organic compound, wherein the difference between the absolute value of the energy level of the lowest unoccupied molecular orbit of said metal complex and the absolute value of the lowest unoccupied molecular orbit of said organic compound, as calculated with a computational technique, is less than 0.40 eV.

Abstract: A polymer material comprising a composition containing a fluorescent conjugated polymer (A) and a phosphorescent compound (B) or comprising a polymer having the structure of (A) and the structure of (B) in the same molecule, wherein the following conditions (1), (2) and (3) are satisfied: (1) at least one of the light emission peak wavelengths of the fluorescent conjugated polymer (A) is less than 500 nm, (2) the light emission peak wavelengths of the phosphorescent compound (B) are not less than 500 nm, (3) the following relation is satisfied: ETA?ESA 0?(ETB?ESB)?0.2 (unit; eV) ??(Eq 1) (wherein, ESA 0 represents energy of the fluorescent conjugated polymer (A) at the ground state, ETA represents energy of the fluorescent conjugated polymer (A) at the lowest excited triplet state, ESB 0 represents energy of the phosphorescent compound (B) at the ground state, and ETB represents energy of the phosphorescent compound (B) at the lowest excited triplet state).

Abstract: Disclosed is a metal complex which has a central metal (M) selected from the group consisting of Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Y, Zr, Nb, Mo, Tc, Ru, Rh, Pd, Ag, Cd, Hf, Ta, W, Re, Pt, Au and Hg. The metal complex has no halogen unidentate ligand. In the metal complex, the sum total of the square values of the orbital coefficients of the outermost d orbitals of the central metal comprises ? or higher of the sum total of the square values of all of the atomic orbital coefficients in the highest occupied molecular orbital (HOMO) given by a computational scientific technique, the energy difference (S1?T1) between the minimum singlet excitation energy (S1) and the minimum triplet excitation energy (T1) given by a computational scientific technique falls within the range from 0.1 (eV) to 1.0 (eV) inclusive, and the oscillator strength (f) falls within the range from 0.005 and 1.0 inclusive.

Abstract: A polymer compound comprising at least one repeating unit selected from the group of repeating units shown by formula (1) or formula (2), wherein Ar1 to Ar4 represent an arylene group etc.; E1, E2, and E3 represent an aryl group (A) having three or more substituents, or a heterocyclic group (B) having one or more substituents, and the total number of substituents and hetero atoms of the heterocyclic ring is three or more; a and b represent 0 or 1, and 0<=a+b<=1, wherein Ar5 to Ar10 and Ar11 represent an arylene group etc.; E4 to E9 represent an aryl group or a monovalent heterocyclic group; l, m and n represent 0 to 2; o and p represent 0 or 1, and l+m+n+o+p is 2 or more.