Patents by Inventor Hyun Jeong JEON

Hyun Jeong JEON 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: 11130320
    Abstract: A film including a polyimide-polybenzoxazole copolymer including a repeating unit represented by Chemical Formula 1: wherein in Chemical Formula 1, A1, A1?, A2, A3, m, and n are the same as described in the specification.
    Type: Grant
    Filed: July 13, 2015
    Date of Patent: September 28, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun Jeong Jeon, Min Sang Kim, Yoon Seok Ko, Byung Hee Sohn
  • Patent number: 10494481
    Abstract: A composition for preparing an optical film, comprising a tetracarboxylic acid dianhydride represented by Chemical Formula 1, a first diamine represented by Chemical Formula 2, and a second diamine represented by Chemical Formula 3, wherein an amount of the second diamine represented by Chemical Formula 3 is equal to or less than 30 mol % based on the total amount of the first and second diamines: wherein, R1 to R5, n1 to n3 are defined in the specification.
    Type: Grant
    Filed: December 2, 2016
    Date of Patent: December 3, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun Jeong Jeon, Byung Hee Sohn
  • Patent number: 10059805
    Abstract: A composition for preparing a polyimide-inorganic particle composite, including a tetracarboxylic acid dianhydride represented by Chemical Formula 1, a diamine represented by Chemical Formula 2, and an inorganic particle having an amino group on its surface: wherein the definitions of groups R1 and R2 in Chemical Formula 1 and Chemical Formula 2 are the same as described in the detailed description.
    Type: Grant
    Filed: October 2, 2015
    Date of Patent: August 28, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang Soo Jee, Young Jae Kang, Hyun Jeong Jeon, Byung Hee Sohn
  • Publication number: 20170081478
    Abstract: A composition for preparing an optical film, comprising a tetracarboxylic acid dianhydride represented by Chemical Formula 1, a first diamine represented by Chemical Formula 2, and a second diamine represented by Chemical Formula 3, wherein an amount of the second diamine represented by Chemical Formula 3 is equal to or less than 30 mol % based on the total amount of the first and second diamines: wherein, R1 to R5, n1 to n3 are defined in the specification.
    Type: Application
    Filed: December 2, 2016
    Publication date: March 23, 2017
    Inventors: Hyun Jeong JEON, Byung Hee SOHN
  • Patent number: 9556311
    Abstract: Disclosed are a polyimide precursor composition that includes a polyamic acid selected from compounds represented by Chemical Formulae 1 to 3, and a combination thereof; and a cross-linking agent selected from a compound represented by Chemical Formula 4, a compound represented by Chemical Formula 5, and a combination thereof; an article including a cross-linked polyimide using the same; and a display device including the article.
    Type: Grant
    Filed: July 17, 2013
    Date of Patent: January 31, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byung Hee Sohn, Sang Soo Lee, Jae Jun Lee, Hyun Jeong Jeon
  • Publication number: 20160096927
    Abstract: A composition for preparing a polyimide-inorganic particle composite, including a tetracarboxylic acid dianhydride represented by Chemical Formula 1, a diamine represented by Chemical Formula 2, and an inorganic particle having an amino group on its surface: wherein the definitions of groups R1 and R2 in Chemical Formula 1 and Chemical Formula 2 are the same as described in the detailed description.
    Type: Application
    Filed: October 2, 2015
    Publication date: April 7, 2016
    Inventors: Sang Soo JEE, Young Jae KANG, Hyun Jeong JEON, Byung Hee SOHN
  • Publication number: 20160009862
    Abstract: A film including a polyimide-polybenzoxazole copolymer including a repeating unit represented by Chemical Formula 1: wherein in Chemical Formula 1, A1, A1?, A2, A3, m, and n are the same as described in the specification.
    Type: Application
    Filed: July 13, 2015
    Publication date: January 14, 2016
    Inventors: Hyun Jeong JEON, Min Sang KIM, Yoon Seok KO, Byung Hee SOHN
  • Publication number: 20150152223
    Abstract: A composition for preparing an optical film, comprising a tetracarboxylic acid dianhydride represented by Chemical Formula 1, a first diamine represented by Chemical Formula 2, and a second diamine represented by Chemical Formula 3, wherein an amount of the second diamine represented by Chemical Formula 3 is equal to or less than 30 mol % based on the total amount of the first and second diamines: wherein, R1 to R5, n1 to n3 are defined in the specification.
    Type: Application
    Filed: July 28, 2014
    Publication date: June 4, 2015
    Inventors: Hyun Jeong JEON, Byung Hee SOHN
  • Patent number: 8883953
    Abstract: A copolymer that includes a repeating unit A having a repeating unit represented by Chemical Formula 1, a repeating unit represented by Chemical Formula 2, or a combination thereof; and a repeating unit B having a repeating unit represented by Chemical Formula 3, a repeating unit represented by Chemical Formula 4, or a combination thereof, an article including the same, and a display device including the article.
    Type: Grant
    Filed: January 24, 2013
    Date of Patent: November 11, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Byung Hee Sohn, Hyun Jeong Jeon, Sang Soo Lee, Jae Jun Lee
  • Publication number: 20140024786
    Abstract: Disclosed are a polyimide precursor composition that includes a polyamic acid selected from compounds represented by Chemical Formulae 1 to 3, and a combination thereof; and a cross-linking agent selected from a compound represented by Chemical Formula 4, a compound represented by Chemical Formula 5, and a combination thereof; an article including a cross-linked polyimide using the same; and a display device including the article.
    Type: Application
    Filed: July 17, 2013
    Publication date: January 23, 2014
    Inventors: Byung Hee SOHN, Sang Soo LEE, Jae Jun LEE, Hyun Jeong JEON
  • Publication number: 20130302586
    Abstract: Disclosed are a copolymer that includes a repeating unit A having a repeating unit represented by Chemical Formula 1, a repeating unit represented by Chemical Formula 2, or a combination thereof; and a repeating unit B having a repeating unit represented by Chemical Formula 3, a repeating unit represented by Chemical Formula 4, or a combination thereof, as disclosed in the specification, an article including the same, and a display device including the article.
    Type: Application
    Filed: January 24, 2013
    Publication date: November 14, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byung Hee SOHN, Hyun Jeong JEON, Sang Soo LEE, Jae Jun LEE