Patents by Inventor Hyun-Yong Cho

Hyun-Yong Cho 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).

  • 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: 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: 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
  • Patent number: 8198002
    Abstract: Disclosed is a positive photosensitive resin composition that includes (A) a first polybenzoxazole precursor that includes: a repeating unit of Chemical Formula 1 and a thermally polymerizable functional group at at least one terminal end; (B) a second polybenzoxazole precursor that includes a repeating unit of Chemical Formula 3; (C) a photosensitive diazoquinone compound; (D) a silane compound; and (E) a solvent.
    Type: Grant
    Filed: October 20, 2009
    Date of Patent: June 12, 2012
    Assignee: Cheil Industries Inc.
    Inventors: Doo-Young Jung, Ji-Young Jeong, Hyun-Yong Cho, Yong-Sik Yoo, Min-Kook Chung, Jong-Hwa Lee, Kil-Sung Lee, Myoung-Hwan Cha
  • Publication number: 20110171578
    Abstract: A positive photosensitive resin composition includes: (A) a polybenzoxazole precursor; (B) a photosensitive diazoquinone compound; (C) a silane compound; (D) a polyamic acid ester compound; and (E) a solvent. The positive photosensitive resin composition can reduce film shrinkage, can have high sensitivity, high resolution, and excellent residue removal properties, and can provide good pattern shapes.
    Type: Application
    Filed: March 28, 2011
    Publication date: July 14, 2011
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Hyun-Yong CHO, Doo-Young JUNG, Yong-Sik YOO, Ji-Young JEONG, Jong-Hwa LEE, Min-Kook CHUNG, Kil-Sung LEE, Myoung-Hwan CHA
  • 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
  • Publication number: 20110111346
    Abstract: 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.
    Type: Application
    Filed: July 13, 2010
    Publication date: May 12, 2011
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Ji-Young JEONG, Min-Kook CHUNG, Hyun-Yong CHO, Doo-Young JUNG, Jong-Hwa LEE, Yong-Sik YOO, Jeong-Woo LEE, Hwan-Sung CHEON
  • Publication number: 20110003248
    Abstract: A positive photosensitive resin composition according to one embodiment of the present invention includes a polyamic acid or a polyamic acid ester compound including a repeating unit represented by Formula 1 defined in this specification, a photosensitive diazoquinone compound, a silane compound, a phenol compound, and a solvent. The positive photosensitive resin composition can be cured at a low temperature of 260° C. or less, and can have high sensitivity, resolution, residue removal, substrate adherence, and pattern-forming capabilities, and low film shrinkage.
    Type: Application
    Filed: September 17, 2010
    Publication date: January 6, 2011
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Doo-Young JUNG, Ji-Young JEONG, Hyun-Yong CHO, Yong-Sik YOO, Kil-Sung LEE, Myoung-Hwan CHA
  • Publication number: 20100099043
    Abstract: Disclosed is a positive photosensitive resin composition that includes (A) a first polybenzoxazole precursor that includes: a repeating unit of Chemical Formula 1 and a thermally polymerizable functional group at least one terminal end; (B) a second polybenzoxazole precursor that includes a repeating unit of Chemical Formula 3; (C) a photosensitive diazoquinone compound; (D) a silane compound; and (E) a solvent.
    Type: Application
    Filed: October 20, 2009
    Publication date: April 22, 2010
    Inventors: Doo-Young JUNG, Ji-Young JEONG, Hyun-Yong CHO, Yong-Sik YOO, Min-Kook CHUNG, Jong-Hwa LEE, Kil-Sung LEE, Myoung-Hwan CHA