Nobuhiko Akino
Nobuhiko Akino, Saitama JP
Patent application number | Description | Published |
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20080248220 | Light-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 |
20090043064 | METAL COMPLEX, POLYMER COMPOUND, AND DEVICE CONTAINING IT - A metal complex having a structure of the following general formula (1): | 02-12-2009 |
20100264812 | METAL 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 (S | 10-21-2010 |
20100283038 | POLYMER 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 |
Nobuhiko Akino, Tsukuba-Shi JP
Patent application number | Description | Published |
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20100019203 | COMPOSITION 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 |
20100032624 | INDAZOLE 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 |
20100032626 | BENZIMIDAZOLE 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 |
20100073602 | INDOLE 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 |
20110108766 | PHOSPHORESCENT 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 |
20110114888 | PHOSPHORESENCE-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 |
20110127467 | COMPOSITION 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 |
20110284829 | POLYMER COMPOUND AND LIGHT EMITTING DEVICE USING THE SAME - A polymer compound having a repeating unit represented by the following formula (1): | 11-24-2011 |
20130193840 | COMPOSITION AND LIGHT-EMITTING DEVICE USING THE SAME - A composition including: a phosphorescent light-emitting compound (B) that has a light-emitting spectrum peak smaller than 480 nm, a phosphorescent light-emitting compound (G) that has a light-emitting spectrum peak at 480 nm or larger and smaller than 580 nm, and a phosphorescent light-emitting compound (R) that has a light-emitting spectrum peak at 580 nm or larger and smaller than 680 nm, in which the phosphorescent light-emitting compound (R) is a phosphorescent light-emitting compound having a dendrimer structure. A liquid composition including the composition and a solvent, a film containing the composition, and a light-emitting device having an anode, a cathode, and an organic layer containing the composition provided between the anode and the cathode. | 08-01-2013 |
Nobuhiko Akino, Ibaraki JP
Patent application number | Description | Published |
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20090306368 | POLYNUCLEAR 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 |
20100019669 | METAL COMPLEX, POLYMER COMPOUND AND DEVICE CONTAINING THOSE - Disclosed is a metal complex represented by the following formula (1). | 01-28-2010 |
20100073603 | BENZOTRIAZOLE 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 |
20130200349 | COMPOSITION CONTAINING POLYMER COMPOUND AND LIGHT-EMITTING DEVICE USING THE SAME - It is an object of the present invention to provide a composition using a polymer compound, which is useful for manufacturing a blue phosphorescent light-emitting device excellent in luminous efficiency. The present invention provides a composition including: a polymer compound substantially consisting of a constitutional unit selected from a constitutional unit represented by Formula (1)-1 below, a constitutional unit represented by Formula (1)-2 below, a constitutional unit represented by Formula (2)-1 below, a constitutional unit represented by Formula (2)-2 below, and a constitutional unit derived from a phosphorescent light-emitting compound having a light-emitting spectrum peak at smaller than 480 nm and the polymer compound containing at least both of the constitutional unit represented by Formula (1)-1 and the constitutional unit represented by Formula (1)-2; and a phosphorescent light-emitting compound having a light-emitting spectrum peak at smaller than 480 nm. | 08-08-2013 |
20140306203 | METAL COMPLEX AND LIGHT-EMITTING DEVICE COMPRISING THE METAL COMPLEX - A metal complex is provided represented by Formula (1): | 10-16-2014 |
20140374727 | METAL COMPLEX AND LIGHT-EMITTING DEVICE CONTAINING THE METAL COMPLEX - A highly stable metal complex useful for the manufacture of a light-emitting device has an excellent lifetime property, particularly in a blue region, specifically a metal complex represented by Formula (1): | 12-25-2014 |
20150014669 | METAL COMPLEX AND LIGHT-EMITTING DEVICE CONTAINING THE METAL COMPLEX - A metal complex exhibits blue light emission of high color purity and has a color purity of small temperature dependence, particularly in the blue region. Specifically, the metal complex is represented by Formula (1a): | 01-15-2015 |
Nobuhiko Akino, Tsukuba JP
Patent application number | Description | Published |
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20100038592 | COMPOSITION 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 |
20110108767 | COMPOSITION, 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 |
20110108768 | COMPOSITION AND LIGHT-EMITTING ELEMENT COMPRISING THE SAME - Disclosed is a composition comprising: | 05-12-2011 |
20110121236 | COMPOSITION 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 |
20110124808 | POLYMERIC 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; R | 05-26-2011 |
Nobuhiko Akino, Koshigaya JP
Patent application number | Description | Published |
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20080254320 | Polymer 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 Z | 10-16-2008 |