Abstract: A metal complex is represented by the formula (1): In formula (1), M represents Ir or Pt, n1 represents 1 to 3, n2 represents 0 to 2, A1-G1-A2 represents an anionic bidentate ligand, m1 and m2 represent 3 or 4, E1 to E4 represent a nitrogen atom or a carbon atom, R1 and R2 represent a substituent, R1 and/or R2 is represented by formula (2-1) or formula (2-2), Ring A represents an aromatic heterocyclic ring, Ring B represents an aromatic hydrocarbon ring or an aromatic heterocyclic ring, and R3, R3a, R4a, R5 and R6 represent a substituent:

Abstract: A metal complex represented by the formula (1): wherein M represents an iridium atom or a platinum atom, n1 represents 1 to 3, n2 represents 0 to 2, A1-G3-A2 represents an anionic bidentate ligand, m3 and m2 represent 3 or 4, E3 to E4 represent a nitrogen atom or a carbon atom, R1 and R2 represent a substituent and the like, and at least one of R1 and R2 is a group represented by the formula (2-1) or a group represented by the formula (2-2), Ring A represents an aromatic heterocyclic ring, and Ring B represents an aromatic hydrocarbon ring or an aromatic heterocyclic ring: wherein R3, R3a, R4a, R5 and R6 represent a substituent and the like.

Abstract: A polymer compound having a repeating unit of the following formula (1): (wherein, R1 represents a substituent, Q1 and Q2 represent a group containing a benzocyclobutane structure, a represents an integer of 0 to 3. When there exist a plurality of R1s, these may be the same or different).

Abstract: A light-emitting material comprising a conjugated polymer and a blue-light emitting perylene.

Abstract: A polymer compound having a repeating unit represented by formula (1-0): wherein in formula (1-0), ring A01 and ring A02 are the same or different and each represents an aromatic hydrocarbon ring that is optionally substituted; and X10 and X20 are the same or different and each represents a hydrogen atom or a substituent, provided that at least one of X10 and X20 is a group represented by formula (2-0): wherein in formula (2-0), Z10, Z20 and Z30 are the same or different and each represents —N? or —CH?, provided that at least two of Z10, Z20 and Z30 are —N?; L0 represents an arylene group or a single bond; and Ar10 and Ar20 are the same or different and each represents an aryl group, provided that the total carbon number of the groups represented by Ar10, Ar20 and L0 is 24 or more.

Abstract: A light-emitting material comprising a conjugated polymer and a blue-light emitting perylene.

Abstract: A polymer compound comprising a residue of a compound of the following formula (1): (wherein, a ring C1, ring C2 and ring C3 represent each independently an aromatic hydrocarbon ring or hetero ring. A1 represents a di-valent group containing one or more atoms selected from a boron atom, carbon atom, nitrogen atom, oxygen atom, phosphorus atom, sulfur atom and selenium atom. R1 represents an alkyl group, alkoxy group, alkylthio group, aryl group, aryloxy group, arylthio group, arylalkyl group, arylalkyloxy group, arylalkylthio group, alkenyl group, alkynyl group, di-substituted amino group, tri-substituted silyl group, acyl group, acyloxy group, imine residue, amide group, acid imide group, mono-valent heterocyclic group, substituted carboxyl group, heteroaryloxy group or heteroarylthio group, or is connected to an atom adjacent to an atom on the ring C3 to which R1 is connected, to form a ring.).

Abstract: A polymer compound which is useful as a light emitting material and a charge transporting material and excellent in electron injection property, comprising as a partial structure therein a structure of the following formula (a) is provided: (wherein, a ring A and a ring B represent each independently an aromatic ring or a non-aromatic ring, and at least one of the ring A and the ring B is an aromatic ring. A ring C represents an aromatic ring. Z1 represents an atom selected from a carbon atom, oxygen atom, sulfur atom, nitrogen atom, silicon atom, boron atom, phosphorus atom and selenium atom or a group containing the atom, and Z2 to Z6 represent each independently an atom selected from a carbon atom, silicon atom, nitrogen atom and boron atom or a group containing the atom.).

Abstract: A polymer compound having a repeating unit of the following formula (1): (wherein, R1 represents a substituent, Q1 and Q2 represent a group containing a benzocyclobutane structure, a represents an integer of 0 to 3. When there exist a plurality of R1s, these may be the same or different.).

Abstract: A polymer compound comprising a structure of the following formula (1): (wherein, A ring and B ring each independently represent an aromatic hydrocarbon ring optionally having a substituent, and C ring represents an alicyclic hydrocarbon ring containing no condensed aromatic compound and having at least one substituent. The alicyclic hydrocarbon may contain a hetero atom).