Patents by Inventor Myoung-Hwan Cha

Myoung-Hwan Cha 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: 20240140078
    Abstract: A textile fabric includes a textile fabric layer, a transparent film layer provided on the textile fabric layer, and a surface layer disposed on the transparent film layer. The transparent film layer has a two-layer structure including a first film layer having a first polyetherester-based copolymer and a second film layer having a second polyetherester-based copolymer disposed on the first film layer. The second film layer is provided on the textile fabric layer. A method of manufacturing the fabric includes preparing the textile fabric layer, forming the transparent film layer on the fabric layer, and laminating the textile fabric and transparent film layers through heat treatment.
    Type: Application
    Filed: June 16, 2023
    Publication date: May 2, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, TKG ECO MATERIAL CO., LTD.
    Inventors: Hyun Dae Cho, Myoung Ryoul Lee, Seul Yi, Gu Hwan Kim, Jin Hun Cha
  • Patent number: 9268221
    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: Grant
    Filed: July 26, 2011
    Date of Patent: February 23, 2016
    Assignee: 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
  • Patent number: 9176381
    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 1 D to about 4 D, (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 at least one end. The polyamic acid includes a repeating unit of Chemical Formulae 50 and 51.
    Type: Grant
    Filed: December 9, 2010
    Date of Patent: November 3, 2015
    Assignee: 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
  • Patent number: 9023559
    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: Grant
    Filed: November 23, 2011
    Date of Patent: May 5, 2015
    Assignee: 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
  • Patent number: 8841064
    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: Grant
    Filed: November 11, 2011
    Date of Patent: September 23, 2014
    Assignee: 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
  • Patent number: 8815489
    Abstract: Disclosed are a positive photosensitive resin composition that includes (A) a polybenzoxazole precursor including a first polybenzoxazole precursor including a repeating unit represented by the following Chemical Formula 1 and a repeating unit represented by the following Chemical Formula 2, and having a thermally polymerizable functional group at at least one of the terminal end; (B) a dissolution controlling agent including a novolac resin including a repeating unit represented by the following Chemical Formula 4; (C) a photosensitive diazoquinone compound; (D) a silane compound; (E) an acid generator; and (F) a solvent, a photosensitive resin film prepared using the same, and a semiconductor device including the photosensitive resin film.
    Type: Grant
    Filed: August 21, 2012
    Date of Patent: August 26, 2014
    Assignee: Cheil Industries Inc.
    Inventors: Ji-Young Jeong, Jin-Young Lee, Jong-Hwa Lee, Hyun-Yong Cho, Sang-Soo Kim, Eun-Kyung Yoon, Jun-Ho Lee, Myoung-Hwan Cha, Eun-Ha Hwang
  • Patent number: 8785103
    Abstract: Disclosed is a photosensitive novolac resin including a structural unit represented by the following Chemical Formula 1 and structural unit represented by the following Chemical Formula 2, wherein R11, R12, R13, and R14 in Chemical Formulae 1 and 2 are the same as defined in the detailed description, a positive photosensitive resin composition including the same, a photosensitive resin film fabricated using the same, and a semiconductor device including the photosensitive resin composition.
    Type: Grant
    Filed: August 21, 2012
    Date of Patent: July 22, 2014
    Assignee: Cheil Industries Inc.
    Inventors: Jong-Hwa Lee, Hyun-Yong Cho, Min-Kook Chung, Ji-Young Jeong, Myoung-Hwan Cha
  • Patent number: 8703367
    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: Grant
    Filed: March 28, 2011
    Date of Patent: April 22, 2014
    Assignee: 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
  • Patent number: 8568954
    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: Grant
    Filed: September 17, 2010
    Date of Patent: October 29, 2013
    Assignee: Cheil Industries Inc.
    Inventors: Doo-Young Jung, Ji-Young Jeong, Hyun-Yong Cho, Yong-Sik Yoo, Kil-Sung Lee, Myoung-Hwan Cha
  • Publication number: 20130171563
    Abstract: Disclosed is a photosensitive novolac resin including a structural unit represented by the following Chemical Formula 1 and structural unit represented by the following Chemical Formula 2, wherein R11, R12, R13, and R14 in Chemical Formulae 1 and 2 are the same as defined in the detailed description, a positive photosensitive resin composition including the same, a photosensitive resin film fabricated using the same, and a semiconductor device including the photosensitive resin composition.
    Type: Application
    Filed: August 21, 2012
    Publication date: July 4, 2013
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Jong-Hwa LEE, Hyun-Yong CHO, Min-Kook CHUNG, Ji-Young JEONG, Myoung-Hwan CHA
  • Publication number: 20130137036
    Abstract: Disclosed are a positive photosensitive resin composition that includes (A) a polybenzoxazole precursor including a first polybenzoxazole precursor including a repeating unit represented by the following Chemical Formula 1 and a repeating unit represented by the following Chemical Formula 2, and having a thermally polymerizable functional group at at least one of the terminal end; (B) a dissolution controlling agent including a novolac resin including a repeating unit represented by the following Chemical Formula 4; (C) a photosensitive diazoquinone compound; (D) a silane compound; (E) an acid generator; and (F) a solvent, a photosensitive resin film prepared using the same, and a semiconductor device including the photosensitive resin film.
    Type: Application
    Filed: August 21, 2012
    Publication date: May 30, 2013
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Ji-Young JEONG, Jin-Young LEE, Jong-Hwa LEE, Hyun-Yong CHO, Sang-Soo KIM, Eun-Kyung YOON, Jun-Ho LEE, Myoung-Hwan CHA, Eun-Ha HWANG
  • 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: 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: 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
  • 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: 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