Patents by Inventor Yong-Sik Yoo

Yong-Sik Yoo 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: 10723916
    Abstract: The present invention relates to an organic film CMP slurry composition for polishing an organic film, which includes at least either of a polar solvent or a non-polar solvent and a metal oxide abrasive, is acidic, and has a carbon content of around 50 to 95 atm %, and a polishing method using the same.
    Type: Grant
    Filed: August 10, 2018
    Date of Patent: July 28, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jung Min Choi, Haruki Nojo, Yong Soon Park, Yong Sik Yoo, Dong Hun Kang, Go Un Kim, Tae Wan Kim
  • Patent number: 10287468
    Abstract: The present invention relates to a CMP slurry composition, for an organic film, for polishing an organic film and an organic film polishing method using same, the CMP slurry composition comprising: a polar solvent and/or a non-polar solvent; metal oxide abrasives; an oxidant; and a heterocyclic compound, wherein the heterocyclic compound, as a heteroatom, comprises one or two of oxygen (O) atom, sulfur (S) atom and nitrogen (N) atom and has carbon content of 50-95 atom %.
    Type: Grant
    Filed: June 10, 2015
    Date of Patent: May 14, 2019
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Yong Sik Yoo, Jung Min Choi, Dong Hun Kang, Tae Wan Kim, Go Un Kim, Yong Kuk Kim
  • Publication number: 20180362807
    Abstract: The present invention relates to an organic film CMP slurry composition for polishing an organic film, which includes at least either of a polar solvent or a non-polar solvent and a metal oxide abrasive, is acidic, and has a carbon content of around 50 to 95 atm %, and a polishing method using the same.
    Type: Application
    Filed: August 10, 2018
    Publication date: December 20, 2018
    Inventors: Jung Min CHOI, Haruki NOJO, Yong Soon PARK, Yong Sik YOO, Dong Hun KANG, Go Un KIM, Tae Wan KIM
  • Patent number: 9845444
    Abstract: A cleaning composition includes an organic solvent, an organic acid, a chelating agent, a surfactant containing at least one hydroxyl group (OH) at the end, and an ultra pure water, wherein a pH value of the cleaning composition is equal to or higher than 12.
    Type: Grant
    Filed: November 16, 2015
    Date of Patent: December 19, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ahn-Ho Lee, Chung-Kyung Jung, Dong-Min Kang, Dong-Hun Kang, Go-Un Kim, Dong-Jin Kim, Yong-Sik Yoo, Young-Chul Jung, Yu-Ri Jung, Jung-Min Choi, Sang-Kyun Kim
  • Publication number: 20170204312
    Abstract: The present invention relates to a CMP slurry composition, for an organic film, for polishing an organic film and an organic film polishing method using same, the CMP slurry composition comprising: a polar solvent and/or a non-polar solvent; metal oxide abrasives; an oxidant; and a heterocyclic compound, wherein the heterocyclic compound, as a heteroatom, comprises one or two of oxygen (O) atom, sulfur (S) atom and nitrogen (N) atom and has carbon content of 50-95 atom %.
    Type: Application
    Filed: June 10, 2015
    Publication date: July 20, 2017
    Inventors: Yong Sik YOO, Jung Min CHOI, Dong Hun KANG, Tae Wan KIM, Go Un KIM, Yong Kuk KIM
  • Publication number: 20160137953
    Abstract: A cleaning composition includes an organic solvent, an organic acid, a chelating agent, a surfactant containing at least one hydroxyl group (OH) at the end, and an ultra pure water, wherein a pH value of the cleaning composition is equal to or higher than 12.
    Type: Application
    Filed: November 16, 2015
    Publication date: May 19, 2016
    Inventors: Ahn-Ho LEE, Chung-Kyung JUNG, Dong-Min KANG, Dong-Hun KANG, Go-Un KIM, Dong-Jin KIM, Yong-Sik YOO, Young-Chul JUNG, Yu-Ri JUNG, Jung-Min CHOI, Sang-Kyun KIM
  • Publication number: 20160068711
    Abstract: The present invention relates to an organic film CMP slurry composition for polishing an organic film, which includes at least either of a polar solvent or a non-polar solvent and a metal oxide abrasive, is acidic, and has a carbon content of around 50 to 95 atm %, and a polishing method using the same.
    Type: Application
    Filed: April 17, 2014
    Publication date: March 10, 2016
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Jung Min CHOI, Haruki NOJO, Yong Soon PARK, Yong Sik YOO, Dong Hun KANG, Go Un KIM, Tae Wan KIM
  • 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: 8969486
    Abstract: Disclosed are a liquid crystal alignment agent, a liquid crystal alignment film manufactured using the same, and a liquid crystal display including the liquid crystal alignment film. The liquid crystal alignment agent includes a polymer comprising a 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: wherein Y1 and Y2 are each independently a divalent organic group derived from diamine, wherein the diamine includes photodiamine represented by Chemical Formula 3 and functional diamine represented by Chemical Formula 5: and wherein the other substituents are the same as defined in the detailed description.
    Type: Grant
    Filed: August 22, 2012
    Date of Patent: March 3, 2015
    Assignee: Cheil Industries Inc.
    Inventors: Jae-Deuk Yang, Yong-Sik Yoo, Guk-Pyo Jo
  • 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: 8697320
    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: Grant
    Filed: September 23, 2011
    Date of Patent: April 15, 2014
    Assignees: Cheil Industries Inc., Samsung Electronics Co., Ltd.
    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
  • Patent number: 8623515
    Abstract: Disclosed is a liquid crystal alignment agent that includes a 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. In Chemical Formulae 1 and 2, X1, X2, Y1 and Y2 are the same as defined in the detailed description.
    Type: Grant
    Filed: September 21, 2011
    Date of Patent: January 7, 2014
    Assignee: Cheil Industries Inc.
    Inventors: Jae-Deuk Yang, Eun-Ha Kim, Myoung-Youp Shin, Yong-Sik Yoo, Guk-Pyo Jo, Jung-Gon Choi
  • Patent number: 8592131
    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: Grant
    Filed: September 22, 2011
    Date of Patent: November 26, 2013
    Assignee: 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: 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
  • Patent number: 8557928
    Abstract: A liquid crystal alignment agent is provided that includes a 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. In Chemical Formulae 1 and 2, each X1, X2, Y1 and Y2 is the same as in the detailed description.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: October 15, 2013
    Assignee: Cheil Industries Inc.
    Inventors: Eun-Ha Kim, Myoung-Youp Shin, Jae-Deuk Yang, Yong-Sik Yoo, Guk-Pyo Jo, Jung-Gon Choi
  • Patent number: 8501375
    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: Grant
    Filed: September 23, 2011
    Date of Patent: August 6, 2013
    Assignee: 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: 20130165598
    Abstract: Disclosed are a liquid crystal photoalignment agent, a liquid crystal photoalignment film using the same, and a liquid crystal display including the liquid crystal photoalignment film. The liquid crystal photoalignment agent includes 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, or includes a first polymer including polyamic acid including a repeating unit represented by Chemical Formula 5, polyimide including a repeating unit represented by Chemical Formula 6, or a combination thereof; and a second polymer including polyamic acid including a repeating unit represented by Chemical Formula 7, polyimide including a repeating unit represented by Chemical Formula 8, or a combination thereof, wherein Chemical Formulae 1, 2 and 5 to 8 are the same as defined in the detailed description.
    Type: Application
    Filed: August 22, 2012
    Publication date: June 27, 2013
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Yong-Sik YOO, Jae-Deuk YANG, Guk-Pyo JO
  • Patent number: 8470412
    Abstract: Disclosed is a liquid crystal alignment agent that includes a polymer comprising 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. In Chemical Formulae 1 and 2, X1, X2, Y1 and Y2 are the same in the detailed description.
    Type: Grant
    Filed: September 21, 2011
    Date of Patent: June 25, 2013
    Assignee: Cheil Industries Inc.
    Inventors: Myoung-Youp Shin, Eun-Ha Kim, Jae-Deuk Yang, Yong-Sik Yoo, Guk-Pyo Jo, Jung-Gon Choi
  • Publication number: 20130158208
    Abstract: Disclosed are a liquid crystal alignment agent, a liquid crystal alignment film manufactured using the same, and a liquid crystal display including the liquid crystal alignment film. The liquid crystal alignment agent includes a polymer comprising a 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: wherein Y1 and Y2 are each independently a divalent organic group derived from diamine, wherein the diamine includes photodiamine represented by Chemical Formula 3 and functional diamine represented by Chemical Formula 5: and wherein the other substituents are the same as defined in the detailed description.
    Type: Application
    Filed: August 22, 2012
    Publication date: June 20, 2013
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Jae-Deuk YANG, Yong-Sik YOO, Guk-Pyo JO
  • Patent number: 8420287
    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: Grant
    Filed: July 13, 2010
    Date of Patent: April 16, 2013
    Assignee: 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