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Hwan-Sung Cheon, Uiwang-Si KR

Hwan-Sung Cheon, Uiwang-Si KR

Patent application numberDescriptionPublished
20090176165Polymer composition, hardmask composition having antireflective properties, and associated methods - A polymer composition includes an aromatic ring-containing polymer represented by Formula 1:07-09-2009
20110027722AROMATIC RING-CONTAINING POLYMER FOR RESIST UNDERLAYER, RESIST UNDERLAYER COMPOSITION INCLUDING THE SAME, AND METHOD OF PATTERNING DEVICE USING THE SAME - An aromatic ring-containing polymer for a resist underlayer, the polymer including a unit represented by the following Chemical Formula 1:02-03-2011
20110111346Positive Photosensitive Resin Composition - Disclosed is a positive photosensitive resin composition that includes: (A) a polybenzoxazole precursor including a repeating unit represented by the Chemical Formula 1, a repeating unit represented by the Chemical Formula 2, or a combination thereof, and a thermally polymerizable functional group at least one terminal end of the polybenzoxazole precursor; (B) a photosensitive diazoquinone compound; (C) a silane compound; (D) a phenol compound including a cross-linking functional group; and (E) a solvent.05-12-2011
20110117501RESIST UNDERLAYER POLYMER, RESIST UNDERLAYER COMPOSITION INCLUDING THE SAME, AND METHOD OF PATTERNING USING THE SAME - A resist underlayer polymer, a resist underlayer composition including the same, and a method of patterning using the same, the resist underlayer polymer including a repeating unit represented by at least one of Chemical Formula 1 and Chemical Formula 2:05-19-2011
20110155944AROMATIC RING-CONTAINING COMPOUND FOR A RESIST UNDERLAYER AND RESIST UNDERLAYER COMPOSITION - An aromatic ring-containing compound for a resist underlayer and a resist underlayer composition, the aromatic ring-containing compound being represented by the following Chemical Formula 1:06-30-2011
20110159428Positive Type Photosensitive Resin Composition - This disclosure relates to a positive photosensitive resin composition including (A) a resin precursor including a polybenzoxazole precursor, a polyamic acid, or a combination thereof, (B) a dissolution-controlling agent having a boiling point ranging from about 210° C. to about 400° C. and a polarity ranging from about 1D to about 4D, (C) an acid generator, (D) a silane-based compound, and (E) a solvent. The polybenzoxazole precursor includes a repeating unit represented by Chemical Formula 1, or both of repeating units represented by Chemical Formulae 1 and 2 and has a thermally polymerizable functional group at least one end. The polyamic acid includes a repeating unit of Chemical Formulae 50 and 51.06-30-2011
20110229828AROMATIC RING CONTAINING POLYMER, UNDERLAYER COMPOSITION INCLUDING THE SAME, AND ASSOCIATED METHODS - An aromatic ring-containing polymer, an underlayer composition including the same, and associated methods, the aromatic ring-containing polymer including a group represented by one of the following Chemical Formulae 1-1, 1-2, 2-1, and 2-2:09-22-2011
20120007200Image Sensor and Method for Manufacturing the Same - Disclosed is an image sensor including a photo-sensing device, a color filter positioned on the photo-sensing device, a microlens positioned on the color filter, and an insulation layer positioned between the photo-sensing device and the color filter, and including a trench exposing the photo-sensing device and a filler filled in the trench. The filler has light transmittance of about 85% or more at a visible ray region, and a higher refractive index than the insulation layer. A method of manufacturing the image sensor is also provided.01-12-2012

Patent applications by Hwan-Sung Cheon, Uiwang-Si KR