Sumitomo Chemical Company, Limited

Hokkaido University

Yusuke Ishii

Hideyuki Higashimura

Nobuhiko Akino

Kazuei Ohuchi

Tadafumi Matsunaga

Takakazu Saito

Noboru Kitamura

Nobuyoshi Koshino

Eri Sakuda

Akitaka Ito

Chizu Sekine

Kohei Asada

Rui Ishikawa

Masayuki Soga

Takeo Hirokawa

Kazuyoshi Kawanishi

Provided is a metal complex which is excellent in quantum yield and full width at half maximum of a light emission spectrum. The metal complex is represented by the following formula (1): wherein M represents an iridium atom or the like, nrepresents 1 to 3, nrepresents 0 to 2, Xto Xrepresent a carbon atom or the like, Rto Rrepresent a hydrogen atom or the like, one of Xand Xis a single bond, and the other is a group represented by &#x2014;CRR&#x2014;CRR&#x2014;, Rto Rrepresent an alkyl group or the like, ring A represents a heteroaromatic ring, and A-G-Arepresents an anionic bidentate ligand.

Metal complex and light emitting device using the same

A metal complex represented by the following formula (1) is provided.  In formula (1), M represents an iridium atom or a platinum atom; nrepresents 1, 2 or 3. nrepresents 0, 1 or 2; Eto Erepresent a nitrogen atom or a carbon atom; Rto Rrepresent a hydrogen atom, an alkyl group, a cycloalkyl group, an alkoxy group, a cycloalkoxy group, an aryl group, an aryloxy group, a monovalent heterocyclic group or a halogen atom; Xand Xrepresent a direct bond, an oxygen atom, a sulfur atom, &#x2014;C(&#x2550;O)&#x2014;, &#x2014;CR&#x2014; or &#x2014;NR&#x2014;; A-G-Arepresents an anionic bidentate ligand; and Grepresents an atomic group constituting a bidentate ligand together with Aand A.

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. Land Leach 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): 

Metal complex and device using the metal complex

Provided is an organic material which can be employed for manufacturing an organic electroluminescent device having a long luminance half-lifetime. The organic material is a composition containing: a borane compound represented by Formula (B1): wherein three Arrepresent an arylene group or a divalent aromatic heterocyclic group; and three Xrepresent an aromatic amino group, a monovalent aromatic heterocyclic group, an alkyl group, or a hydrogen atom; and a conjugated polymer compound represented by Formula (P1): wherein Arrepresents an arylene group, with the proviso that Aris different from Flu; Flurepresents a fluorenediyl group; Hetrepresents a divalent aromatic heterocyclic group; Amrepresents a divalent aromatic amine residue; n, n, nand nare numbers representing molar ratios of Ar, Flu, Hetand Am, respectively, and numbers satisfying 0.4&#x2266;n&#x2266;1, 0&#x2266;n&#x2266;0.6, 0&#x2266;n&#x2266;0.6 and 0&#x2266;n&#x2266;0.6 when defining n+n+n+n=1.

Composition containing borane compound and conjugated polymer compound, and element

A compound represented by formula (1):  in which Rrepresents a hydrogen atom or a monovalent hydrocarbon group; Pto Peach independently represents a group of atoms necessary for forming a heterocyclic ring together with each Yto Yand the two carbon atoms adjacent to Yto Y, respectively; Pand Peach independently represents a group of atoms necessary for forming a cyclic skeleton together with the carbon atom to which Zbonds or Zbonds; Pand P, Pand P, Pand P, Pand P, Pand P, and Pand Pmay further combine with each other to form a ring; Qand Qeach independently represents a connecting group or a direct binding; and Zand Zeach independently represent any one of the following groups;

Cyclic compound, its metal complex and modified metal complex

A compound represented by formula (1):  in which Rrepresents a hydrogen atom or a monovalent hydrocarbon group; Pto Peach independently represent a group of atoms necessary for forming a heterocyclic ring together with each of Yto Yand the two carbon atoms adjacent to each of Yto Y, respectively; Pand Peach independently represent a group of atoms necessary for forming a cyclic skeleton together with the carbon atom to which Zbonds or Zbonds and the two carbon atoms adjacent to the carbon atom to which Zbonds or Zbonds; Pand P, Pand P, Pand P, Pand P, Pand P, and Pand Pmay further combine with each other to form a ring; Qand Qeach independently represent a connecting group or a direct binding; and Zand Zeach independently represent any one of the following groups;

Growing community of inventors

Tsukuba, Japan

Yusuke Ishii