Patent application number | Description | Published |
20080305379 | Polymer Electrolyte Membrane for Fuel Cell and Membrane-Electrode Assembly and Fuel Cell Including the Same - Disclosed is a polymer electrolyte membrane for a fuel cell that has a high ionic conductivity even at a high temperature without humidification. The polymer electrolyte membrane comprises a film composed of a polyimide copolymer containing phenylbenzimidazole, and an acid impregnated within the polyimide copolymer film. Also disclosed is another polymer electrolyte membrane for a fuel cell that has good chemical resistance and improved physical properties when compared to those of the previous polymer electrolyte membrane. | 12-11-2008 |
20100136264 | Liquid Crystal Alignment Agent, and Liquid Crystal Alignment Film and Liquid Crystal Display Including Same - Disclosed are a liquid crystal alignment agent, and a liquid crystal alignment film and a liquid crystal display (LCD) including the same. The liquid crystal alignment agent includes a polymer of polyamic acid, a polyimide, or a combination thereof, and an epoxy compound represented by the following Chemical Formula 1. | 06-03-2010 |
20120116045 | Liquid Crystal Alignment Agent, Liquid Crystal Alignment Film Manufactured Using the Same, and Liquid Crystal Display Device Including the Liquid Crystal Alignment Film - Disclosed is a liquid crystal alignment agent including a polymer including polyamic acid including a repeating unit represented by Chemical Formula 1, polyimide including a repeating unit represented by Chemical Formula 2, or a combination thereof. | 05-10-2012 |
20120172541 | Liquid Crystal Alignment Agent, Liquid Crystal Alignment Film Manufactured Using the Same, and Liquid Crystal Display Device Including the Liquid Crystal Alignment Film - A liquid crystal alignment agent includes a first polymer including polyamic acid including a repeating unit represented by the following Chemical Formula 1, polyimide including a repeating unit represented by the following Chemical Formula 2, or a combination thereof. A liquid crystal alignment film manufactured using the liquid crystal alignment agent, and a liquid crystal display including the liquid crystal alignment film are also provided. | 07-05-2012 |
20130123438 | Liquid Crystal Alignment Agent, Liquid Crystal Alignment Film Manufactured Using the Same, and Liquid Crystal Display Device Including the Liquid Crystal Alignment Film - Disclosed is a liquid crystal alignment agent that includes a polymer including a polyamic acid including a repeating unit represented by the following Chemical Formula 1, polyimide including a repeating unit represented by the following Chemical Formula 2, or a combination thereof, wherein in Chemical Formulas 1 and 2, X | 05-16-2013 |
20140183701 | HARDMASK COMPOSITION AND METHOD OF FORMING PATTERNS AND SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE INCLUDING THE PATTERNS - A hardmask composition includes a monomer represented by the following Chemical Formula 1 and an aromatic ring-containing polymer, | 07-03-2014 |
20150050594 | Positive Photosensitive Resin Composition, and Photosensitive Resin Film and Display Device Prepared by Using the Same - Disclosed are a positive photosensitive resin composition including (A) an alkali soluble resin; (B) a photosensitive diazoquinone compound; (C) a first dissolution-controlling agent including at least one of compounds represented by the following Chemical Formula 1 or Chemical Formula 2; (D) a second dissolution-controlling agent including a compound represented by the following Chemical Formula 3; and (E) a solvent, and a photosensitive resin film and a display device using the same. | 02-19-2015 |
20150118622 | Positive Photosensitive Resin Composition, Photosensitive Resin Film Prepared by Using the Same, and Display Device - Disclosed are a positive photosensitive resin composition including (A) a polybenzoxazole precursor having a polydispersity of about 1 to about 1.6; (B) a photosensitive diazoquinone compound; (C) a thermal acid generator; and (D) a solvent, a photosensitive resin film using the same, and a display device. | 04-30-2015 |