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Nobuhiko Akino

Nobuhiko Akino, Saitama JP

Patent application numberDescriptionPublished
20080248220Light-Emitting Material and Light-Emitting Device Using the Same - A light emitting material comprising a conjugated polymer compound (A) containing an aromatic ring in the main chain and a compound (B) showing light emission from the triplet excited state, wherein an energy difference between the vacuum level and the lowest unoccupied orbital (LUMO) level in the ground state, calculated by a computational chemical means, is 1.3 eV or more, or an energy difference between the vacuum level and the lowest unoccupied orbital (LUMO) level in the ground state, experimentally measured, is 2.2 eV or more, in the polymer compound (A), and either the following (Condition 1) or the following (Condition 2) or both of them are satisfied.10-09-2008
20090043064METAL COMPLEX, POLYMER COMPOUND, AND DEVICE CONTAINING IT - A metal complex having a structure of the following general formula (1):02-12-2009
20100264812METAL COMPLEX, LIGHT-EMITTING MATERIAL, AND LIGHT-EMITTING DEVICE - 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 ⅓ 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 (S10-21-2010
20100283038POLYMER MATERIAL AND DEVICE USING THE SAME - 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: 11-11-2010

Patent applications by Nobuhiko Akino, Saitama JP

Nobuhiko Akino, Tsukuba-Shi JP

Patent application numberDescriptionPublished
20100019203COMPOSITION CONTAINING PYRIMIDINE COMPOUND AND LUMINESCENT ELEMENT EMPLOYING THE COMPOSITION - A composition which comprises a compound having a pyrimidine ring structure and a phosphorescent compound.01-28-2010
20100032624INDAZOLE COMPOUND-CONTAINING COMPOSITION AND LIGHT-EMITTING DEVICE USING THE COMPOSITION - Disclosed is a composition containing a compound having an indazole ring structure and a phosphorescent compound.02-11-2010
20100032626BENZIMIDAZOLE COMPOUND-CONTAINING COMPOSITION AND LIGHT-EMITTING DEVICE USING THE COMPOSITION - Disclosed is a composition containing a compound having a benzimidazole ring structure and a phosphorescent compound.02-11-2010
20100073602INDOLE COMPOUND-CONTAINING COMPOSITION AND LIGHT-EMITTING DEVICE USING THE COMPOSITION - Disclosed is a composition containing a compound having an indole ring structure and a phosphorescent compound.03-25-2010
20110108766PHOSPHORESCENT LIGHT-EMITTING COMPOSITION AND LIGHT-EMITTING ELEMENT COMPRISING THE COMPOSITION - Disclosed is a composition comprising: a compound having a residue of at least one nitrogenated compound selected from the group consisting of nitrogenated compounds represented by formulae (1-1), (1-2), (1-3) and (1-4) [wherein R's independently represent a hydrogen atom or a substituent and may be the same as or different from one another] and a residue of at least one nitrogenated polycyclic compound selected from the group consisting of nitrogenated polycyclic compounds represented by formulae (2-1), (2-2), (2-3) and (2-4) [wherein R's are as defined above]; and a phosphorescent light-emitting compound.05-12-2011
20110114888PHOSPHORESENCE-EMITTING COMPOSITION, AND LIGHT-EMITTING ELEMENT UTILIZING THE COMPOSITION - Disclosed is a composition comprising a compound having residues of at least two nitrogenated polycyclic compounds selected from the group consisting of nitrogenated polycyclic compounds represented by formulae (1-1), (1-2), (1-3) and (1-4) [wherein R's independently represent a hydrogen atom or a substituent and may be the same as or different from one another] and a phosphorescence-emitting compound.05-19-2011
20110127467COMPOSITION COMPRISING PHOSPHORESCENT COMPOUND AND LIGHT EMITTING DEVICE USING THE COMPOSITION - A composition comprising a phosphorescent compound, and a compound having a structure containing three or more repeating units having a dipole moment dimension of 1.0 Debye or more connected in series, 06-02-2011

Nobuhiko Akino, Ibaraki JP

Patent application numberDescriptionPublished
20090306368POLYNUCLEAR COMPLEX - A polynuclear complex having two or more metal atoms and/or metal ions per one ligand of the general formula (I):12-10-2009
20100019669METAL COMPLEX, POLYMER COMPOUND AND DEVICE CONTAINING THOSE - Disclosed is a metal complex represented by the following formula (1).01-28-2010
20100073603BENZOTRIAZOLE COMPOUND-CONTAINING COMPOSITION AND LIGHT-EMITTING DEVICE USING THE COMPOSITION - Disclosed is a composition containing a compound having a benzotriazole ring structure and a phosphorescent compound.03-25-2010

Nobuhiko Akino, Tsukuba JP

Patent application numberDescriptionPublished
20100038592COMPOSITION AND LIGHT-EMITTING ELEMENT COMPRISING THE COMPOSITION - Disclosed is a composition comprising a compound having a pyrazine ring structure and a phosphorescent compound, wherein the compound having a pyrazine ring structure has a pyrazine ring structure represented by the general formula (1), (2) or (3):02-18-2010
20110108767COMPOSITION, AND LIGHT-EMISSION ELEMENT PRODUCED BY USING THE COMPOSITION - Disclosed is a composition comprising a compound having a pyridazine ring structure and a phosphorescent compound.05-12-2011
20110108768COMPOSITION AND LIGHT-EMITTING ELEMENT COMPRISING THE SAME - Disclosed is a composition comprising:05-12-2011
20110121236COMPOSITION AND LIGHT-EMITTING ELEMENT USING THE COMPOSITION - Disclosed is a composition comprising a compound having a saturated heterocyclic structure, in which the number of ring-constituting members containing a nitrogen atom is 5 or more, and a phosphorescent compound.05-26-2011
20110124808POLYMERIC COMPOUND CONTAINING METAL COMPLEX RESIDUE AND ELEMENT COMPRISING SAME - A polymeric compound containing a residue of a metal complex represented by formula (1) [wherein M represents a metal atom selected from ruthenium, rhodium, palladium, osmium, iridium and platinum; R05-26-2011

Nobuhiko Akino, Koshigaya JP

Patent application numberDescriptionPublished
20080254320Polymer Compound, Luminescent Material, and Light Emitting Element - This invention provides a luminescent composition comprising a polymer and at least one phosphorescent compound, characterized in that the electronic conjunction chain coefficient Z10-16-2008