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Chizu Sekine

Chizu Sekine, Ibaraki 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
20100033086POLYMER COMPOUND AND COMPOSITION CONTAINING THE SAME - A polymer compound comprising as repeating units an optionally substituted fluorenediyl group and a phenylene group having one or more substituents, and comprising a repeating unit of the following formula (1) and/or a group of the following formula (2):02-11-2010
20100177264LIGHT-EMITTING MATERIAL CONTAINING METAL COMPLEX AND PHOTOELECTRIC DEVICE USING SAME - Disclosed is a material having charge-transporting properties, which contains a neutral metal complex having a partial structure represented by the general formula (1) below and at least two multidentate ligands, or such a metal complex structure. (In the formula, M represents a transition metal or a lanthanoid; Ar1 and Ar2 independently represent an optionally substituted divalent aromatic ring; and X07-15-2010
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 Chizu Sekine, Ibaraki JP

Chizu Sekine, Tsukuba-Shi JP

Patent application numberDescriptionPublished
20080265246POLYMER FILM AND POLYMER FILM DEVICE USING THE SAME - 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 1010-30-2008
20100109517PYRENE POLYMER COMPOUND AND LIGHT EMITTING DEVICE USING THE SAME - A polymer compound comprising a constitutional unit of the formula (1), and a repeating unit of any of the formulae (2) to (4):05-06-2010
20100133997POLYMER COMPOUND AND POLYMER LIGHT-EMITTING DEVICE USING THE SAME - A polymer compound comprising at least one repeating unit selected from the group of repeating units shown by formula (1) or formula (2),06-03-2010

Patent applications by Chizu Sekine, Tsukuba-Shi JP

Chizu Sekine, Tsukuba 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

Chizu Sekine, Chuo-Ku JP

Patent application numberDescriptionPublished
20110114890COMPOSITION CONTAINING A METAL COMPLEX AND ORGANIC COMPOUND, AND LIGHT-EMITTING ELEMENT USING SAID COMPOUND - 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.05-19-2011