Patent application number | Description | Published |
20090029072 | Polyimide Resin Composition, Liquid Crystal Alignment Film using Same and Liquid Crystal Display using Such Liquid Crystal Alignment Film - Disclosed is a polyimide resin composition which is composed of an acid dianhydride and a diamine compound and has a long-chain alkyl group in a side chain of the polyimide skeleton. The polyimide resin composition contains an aromatic component so that the weight ratio of the aromatic component relative to the total weight of the polyimide is not more than 20% (excluding 0%). | 01-29-2009 |
20090059156 | Liguid-Crystal Display Device - Disclosed herein is a liquid-crystal display device capable of reducing leakage of light under a black state due to scattering from a liquid-crystal layer, and having high-contrast ratio, excellent image quality performance. The liquid-crystal display device comprises: a liquid-crystal panel including one pair of polarizers disposed on one pair of substrates, a liquid-crystal layer held in sandwiched form between the pair of substrates, and a group of electrodes formed on at least one of the pair of substrates for applying an electric field to the liquid-crystal layer; and a light source unit disposed outside the pair of substrates. The liquid-crystal layer includes a liquid-crystal material having an ordinary-light refractive index of at least 1.46, but up to 1.49, an extraordinary-light refractive index of at least 1.54, but up to 1.59, and a mean photoelastic constant of at least 8, but up to 25, and exhibiting a nematic phase. | 03-05-2009 |
20090143609 | LIQUID CRYSTAL COMPOSITIONS AND THEIR USE IN LIQUID CRYSTAL DEVICES - To provide a liquid crystal composition having low viscosity in a wide temperature range and to provide a liquid crystal device excellent in response speed in the wide temperature range, a compound represented by the following general formula (1) or (2) is contained in the composition. | 06-04-2009 |
20090219466 | Electro-Optical Device and Display Device - Provided is an electro-optical device which allows high-speed response and has high luminance and contrast. The electro-optical device includes: a plurality of substrates opposed to each other; a medium layer sandwiched between the substrates; electrode groups formed on opposed surfaces of the substrates, for applying an electric field to the medium layer, the electrode groups having a portion in which the electrode groups have an interdigit shape and are arranged substantially parallel; and a pair of polarizing plates which are arranged so that absorption axes thereof are substantially orthogonal to each other with the medium layer sandwiched therebetween, in which the medium layer includes a medium substantially having optical-isotropy with absence of an electric field and exhibiting optical-anisotropy with an applied electric field, the electrode groups include transparent electrodes, and the optical-anisotropy is imparted near the respective electrodes in a direction normal to the substrates by the electrode groups. | 09-03-2009 |
20100155122 | BIOMASS-DERIVED EPOXY COMPOUND AND MANUFACTURING METHOD THEREOF - There is disclosed a biomass-derived epoxy compound as an epoxidized product of a raw-material biomass-derived compound having a weight-average molecular weight of 300 to 10000. The biomass-derived epoxy compound has a weight-average molecular weight of 600 to 20000 and is soluble in an organic solvent for the preparation of a varnish. The epoxy compound is prepared by dissolving the raw-material biomass-derived compound in an aqueous alkali solution; adding epichlorohydrin to the solution and heating the mixture; and evaporating epichlorohydrin from the heated mixture and precipitating a biomass-derived epoxy compound, in which the aqueous alkali solution has a pH of 13.5 to 11.0. The biomass-derived epoxy compound has both high solubility in organic solvents and satisfactory heat resistance and can be manufactured in a high yield on the basis of the raw material through a less number of processes. | 06-24-2010 |
20100156587 | THERMOSETTING RESIN COMPOSITION AND COIL FOR ELECTRIC MACHINE - A thermosetting resin composition comprises (A) a polymeric component having at least two polymerizable substituents in the molecule, (B) a compound having at least one polymerizable substituent in the molecule and (C) a living polymerization agent for curing the resin composition. | 06-24-2010 |
20100255315 | EPOXY RESIN COMPOSITION - Provided is an epoxy resin composition which excels in heat resistance properties and electrical properties, and is easily decomposable for the recycling of resources. | 10-07-2010 |
20110024168 | BIOMASS-DERIVED EPOXY RESIN COMPOSITION - A recyclable epoxy resin composition using a plant biomass in a resin skeleton and a cured material of the epoxy resin composition, and various types of products using them are provided. | 02-03-2011 |
20110101401 | ORGANIC LIGHT-EMITTING ELEMENT, METHOD FOR MANUFACTURING THE ORGANIC LIGHT-EMITTING ELEMENT, APPARATUS FOR MANUFACTURING THE ORGANIC LIGHT-EMITTING ELEMENT, AND ORGANIC LIGHT-EMITTING DEVICE USING THE ORGANIC LIGHT-EMITTING ELEMENT - Disclosed is an organic light-emitting display device that comprises a light-emitting layer formable simply by a wet process and has a prolonged service life. Also disclosed is an organic light-emitting device that comprises an upper transparent electrode having a lowered wiring resistance that can lower wiring resistance-derived power consumption. Further disclosed are a method and an apparatus for manufacturing an organic light-emitting element having a prolonged service life. In a first embodiment, an organic light-emitting display device is provided that comprises a moisture capturing layer provided between an upper electrode and a lower electrode. In a second embodiment, an organic light-emitting apparatus is provided that comprises a metal substrate, an organic light-emitting element provided on the metal substrate, and an upper transparent electrode connected electrically to the metal substrate through a contact hole. In a third embodiment, a method for manufacturing an organic light-emitting element comprising a first organic compound including a light-emitting layer and a second organic compound is provided that comprises the steps of forming the first organic compound, heating the first organic compound in vacuo, and forming the second organic compound. | 05-05-2011 |
20120190812 | PLANT-BASED POLYCARBONATE RESIN AND PRODUCTION METHOD THEREOF - Provided is an environmentally friendly novel plant-based polycarbonate resin. Specifically, disclosed are: a plant-based polycarbonate resin which is a polymer derived from a plant-based material having a plurality of hydroxyl groups, in which molecules of the plant-based material are linked to each other through carbonate groups to form the polymer; and a production method of the polycarbonate resin. | 07-26-2012 |
20130209802 | THERMOSETTING RESIN COMPOSITION, CURED MATERIAL, CONDUCTIVE WIRE, COIL FOR ELECTRICAL DEVICE, AND ELECTRICAL DEVICE - An object of the present invention is to provide a resin composition showing high heat resistance even in low-temperature curing and an electrical device using the resin composition. The object is solved by a thermosetting resin composition comprising (A) a compound of an oligomer having two or more of radical-polymerizable substituent X of which binding energy of repeated structure is higher than binding energy of carbon-carbon formed by the substituent X; (B) a compound having a polymerizable substituent highly reactive with the substituent X; and (C) a polymerization initiator. | 08-15-2013 |
20130313537 | Organic Light-Emitting Element, Method for Manufacturing the Organic Light-Emitting Element, Apparatus for Manufacturing the Organic Light-Emitting Element, and Organic Light-Emitting Device Using the Organic Light-Emitting Element - An organic light-emitting display device is provided that has prolonged service life, lowered wiring resistance that can lower power consumption, and that is easy to manufacture. In a first embodiment, a moisture capturing layer is provided between an upper electrode and a lower electrode. A second embodiment includes a metal substrate, an organic light-emitting element on the substrate and an upper transparent electrode connected to the substrate through a contact hole. In a third embodiment, a method is provided for forming a first organic compound including a light-emitting layer, heating the first organic compound in vacuo, and forming a second organic compound. | 11-28-2013 |