Patents by Inventor Hwan-Sung Cheon

Hwan-Sung Cheon has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8415424
    Abstract: An aromatic ring-containing polymer for an underlayer of a resist, including a unit structure represented by Chemical Formula 1:
    Type: Grant
    Filed: July 2, 2012
    Date of Patent: April 9, 2013
    Assignee: Cheil Industries, Inc.
    Inventors: Min-Soo Kim, Hwan-Sung Cheon, Sung-Wook Cho, Seung-Bae Oh, Jee-Yun Song
  • Publication number: 20120270994
    Abstract: An aromatic ring-containing polymer for an underlayer of a resist, including a unit structure represented by Chemical Formula 1:
    Type: Application
    Filed: July 2, 2012
    Publication date: October 25, 2012
    Inventors: Min-Soo KIM, Hwan-Sung CHEON, Sung-Wook CHO, Seung-Bae OH, Jee-Yun SONG
  • Publication number: 20120171610
    Abstract: Disclosed is a positive photosensitive resin composition that includes (A) an alkali soluble resin; (B) a novolac resin including a repeating unit represented by Chemical Formula 6; (C) a photosensitive diazoquinone compound; (D) a silane compound; and (E) a solvent, a photosensitive resin film prepared by using the positive photosensitive resin composition, and a semiconductor device including the photosensitive resin film.
    Type: Application
    Filed: November 23, 2011
    Publication date: July 5, 2012
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Jong-Hwa LEE, Hyun-Yong CHO, Mi-Ra IM, Hwan-Sung CHEON, Min-Kook CHUNG, Ji-Young JEONG, Myoung-Hwan CHA
  • Publication number: 20120168894
    Abstract: A hard mask composition, a method of forming a pattern, and a semiconductor integrated circuit device, the hard mask composition including a solvent; and an aromatic ring-containing compound, the aromatic ring-containing compound including at least one of a moiety represented by the following Chemical Formula 1 and a moiety represented by the following Chemical Formula 2:
    Type: Application
    Filed: September 23, 2011
    Publication date: July 5, 2012
    Inventors: Min-Soo Kim, Hwan-Sung Cheon, Jee-Yun Song, Young-Min Kim, Cheol-Ho Lee, Chung-Heon Lee
  • Publication number: 20120171614
    Abstract: Disclosed are a positive photosensitive resin composition that includes (A) an alkali soluble resin; (B) a dissolution controlling agent including the compound represented by Chemical Formula 6; (C) a photosensitive diazoquinone compound; (D) a silane compound; and (E) a solvent, and a photosensitive resin film prepared by using the same.
    Type: Application
    Filed: November 11, 2011
    Publication date: July 5, 2012
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Myoung-Hwan CHA, Jong-Hwa LEE, Mi-Ra IM, Min-Kook CHUNG, Ji-Young JEONG, Hyun-Yong CHO, Hwan-Sung CHEON
  • Publication number: 20120171609
    Abstract: Provided is a positive photosensitive resin composition that includes (A) a polybenzoxazole precursor including a first polybenzoxazole precursor including a repeating unit represented by Chemical Formula 1 and a repeating unit represented by Chemical Formula 2, and having a thermally polymerizable functional group at least one terminal end; (B) a photosensitive diazoquinone compound; (C) a silane compound; (D) a phenol compound; and (E) a solvent. A photosensitive resin film fabricated using the positive photosensitive resin composition is provided.
    Type: Application
    Filed: July 26, 2011
    Publication date: July 5, 2012
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Ji-Young JEONG, Min-Kook CHUNG, Jong-Hwa LEE, Mi-Ra IM, Hyun-Yong CHO, Myoung-Hwan CHA, Hwan-Sung CHEON
  • Publication number: 20120172541
    Abstract: 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.
    Type: Application
    Filed: July 26, 2011
    Publication date: July 5, 2012
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Won-Seok DONG, Bum-Jin LEE, Tae-Hyoung KWAK, Yo-Choul PARK, Hyo-Ju SEO, Hwan-Sung CHEON, Won-Ho CHOI
  • Publication number: 20120156622
    Abstract: An ortho-nitrobenzyl ester compound including a compound represented by Chemical Formula 1, and a positive photosensitive resin composition including the same are provided.
    Type: Application
    Filed: September 22, 2011
    Publication date: June 21, 2012
    Applicants: SAMSUNG ELECTRONICS CO., LTD., CHEIL INDUSTRIES INC.
    Inventors: Min-Kook CHUNG, Ji-Young JEONG, Hyun-Yong CHO, Yong-Sik YOO, Jeong-Woo LEE, Jong-Hwa LEE, Hwan-Sung CHEON, Soo-Young KIM, Young-Ho KIM, Jae-Hyun KIM, Su-Min PARK
  • Publication number: 20120153511
    Abstract: A hard mask composition includes a solvent and an aromatic ring-containing compound represented by the following Chemical Formula 1:
    Type: Application
    Filed: September 23, 2011
    Publication date: June 21, 2012
    Inventors: Jee-Yun SONG, Min-Soo KIM, Hwan-Sung CHEON, Seung-Bae OH, Yoo-Jeong CHOI
  • Publication number: 20120156614
    Abstract: Disclosed are a novel phenol compound comprising a compound represented by Chemical Formula 1, a compound represented by Chemical Formula 2, or a combination thereof, and a positive photosensitive resin composition including the same.
    Type: Application
    Filed: September 23, 2011
    Publication date: June 21, 2012
    Applicants: SAMSUNG ELECTRONICS CO., LTD., CHEIL INDUSTRIES INC.
    Inventors: Ji-Young JEONG, Min-Kook CHUNG, Hyun-Yong CHO, Yong-Sik YOO, Jeong-Woo LEE, Jong-Hwa LEE, Hwan-Sung CHEON, Soo-Young KIM, Young-Ho KIM, Jae-Hyun KIM, Su-Min PARK
  • Publication number: 20120153424
    Abstract: A hard mask composition, a method of forming a pattern, and a semiconductor integrated circuit device, the hard mask composition including a solvent; and a compound, the compound including a structural unit represented by the following Chemical Formula 1:
    Type: Application
    Filed: September 23, 2011
    Publication date: June 21, 2012
    Inventors: Seung-Bae OH, Hwan-Sung Cheon, Sung-Wook Cho, Min-Soo Kim, Jee-Yun Song, Yoo-Jeong Choi
  • Publication number: 20120156616
    Abstract: Disclosed is a positive photosensitive resin composition that includes (A) a polybenzoxazole precursor including a repeating unit represented by the following Chemical Formula 1; (B) a photosensitive diazoquinone compound; (C) a silane compound; (D) a phenol compound; and (E) a solvent. In the above Chemical Formula 1, each substituent is the same as defined in the specification.
    Type: Application
    Filed: September 23, 2011
    Publication date: June 21, 2012
    Applicants: SAMSUNG ELECTRONICS CO., LTD., CHEIL INDUSTRIES INC.
    Inventors: Hyun-Yong CHO, Min-Kook CHUNG, Ji-Young JEONG, Jong-Hwa LEE, Yong-Sik YOO, Jeong-Woo LEE, Hwan-Sung CHEON, Soo-Young KIM, Young-Ho KIM, Jae-Hyun KIM, Su-Min PARK
  • Publication number: 20120116045
    Abstract: 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.
    Type: Application
    Filed: June 17, 2011
    Publication date: May 10, 2012
    Applicant: Cheil Industries Inc.
    Inventors: Tae-Hyoung KWAK, Bum-Jin LEE, Won-Seok DONG, Yo-Choul PARK, Hyo-Ju SEO, Hwan-Sung CHEON, Won-Ho CHOI
  • Patent number: 8153349
    Abstract: A polymer composition includes an aromatic ring-containing polymer represented by Formula 1: wherein m and n satisfy the relations 1?m<190, 0?n<190, and 1?m+n<190.
    Type: Grant
    Filed: December 23, 2008
    Date of Patent: April 10, 2012
    Assignee: Cheil Industries, Inc.
    Inventors: Hwan Sung Cheon, Jong Seob Kim, Kyong Ho Yoon, Min Soo Kim, Jin Kuk Lee, Jee Yun Song
  • Publication number: 20120007200
    Abstract: 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.
    Type: Application
    Filed: September 20, 2011
    Publication date: January 12, 2012
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Kil-Sung LEE, Jae-Hyun KIM, Chang-Min LEE, Eui-June JEONG, Min-Soo KIM, Hwan-Sung CHEON, Tu-Won CHANG
  • Publication number: 20110275019
    Abstract: A hardmask composition includes an organic solvent and one or more aromatic ring-containing polymers represented by Formulae 1, 2 and 3:
    Type: Application
    Filed: July 14, 2011
    Publication date: November 10, 2011
    Applicant: CHEIL INDUSTRIES, INC.
    Inventors: Kyong Ho YOON, Jong Seob Kim, Dong Seon Uh, Hwan Sung Cheon, Chang Il Oh, Min Soo Kim, Jin Kuk Lee
  • Publication number: 20110229828
    Abstract: 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:
    Type: Application
    Filed: June 2, 2011
    Publication date: September 22, 2011
    Inventors: Kyong-Ho YOON, Jin-Kuk Lee, Hwan-Sung Cheon, Min-Soo Kim, Jee-Yun Song
  • Patent number: 7981594
    Abstract: A hardmask composition includes an organic solvent and one or more aromatic ring-containing polymers represented by Formula 1, 2 and 3:
    Type: Grant
    Filed: June 5, 2008
    Date of Patent: July 19, 2011
    Assignee: Cheil Industries, Inc.
    Inventors: Kyong Ho Yoon, Jong Seob Kim, Dong Seon Uh, Hwan Sung Cheon, Chang Il Oh, Min Soo Kim, Jin Kuk Lee
  • Publication number: 20110155944
    Abstract: 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: wherein, in Chemical Formula 1, R1 to R6 are each independently a substituted or unsubstituted C1 to C10 alkyl group, a substituted or unsubstituted C5 to C20 aromatic ring group, a substituted or unsubstituted C3 to C20 cycloalkyl group, a substituted or unsubstituted C3 to C20 cycloalkenyl group, a substituted or unsubstituted C2 to C20 heteroaryl group, or a substituted or unsubstituted C2 to C20 heterocycloalkyl group, X1 to X6 are each independently hydrogen, a hydroxy group (—OH), a substituted or unsubstituted alkyl amine group, a substituted or unsubstituted alkoxy group, or an amino group (—NH2), n1 to n6 are each independently 0 or 1, and 1?n1+n2+n3+n4+n5+n6?6.
    Type: Application
    Filed: December 29, 2010
    Publication date: June 30, 2011
    Inventors: Sung-Wook Cho, Hwan-Sung Cheon, Min-Soo Kim, Seung-Bae Oh, Jee-Yun Song
  • Publication number: 20110159428
    Abstract: 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.
    Type: Application
    Filed: December 9, 2010
    Publication date: June 30, 2011
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Jeong-Woo LEE, Yong-Sik YOO, Hyun-Yong CHO, Ji-Young JEONG, Doo-Young JUNG, Jong-Hwa LEE, Min-Kook CHUNG, Myoung-Hwan CHA, Hwan-Sung CHEON