Patents Assigned to HEESUNG MATERIAL LTD.
  • NITROGEN-CONTAINING POLYCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING ELEMENT USING SAME
    Publication number: 20180323380
    Abstract: The present application relates to a polycyclic compound including nitrogen and an organic light emitting device including the same.
    Type: Application
    Filed: July 13, 2018
    Publication date: November 8, 2018
    Applicant: HEESUNG MATERIAL LTD.
    Inventors: Young-Seok NO, Kee-Yong KIM, Hyo-Kyun HAM, Jin-Seok CHOI, Dae-Hyuk CHOI, Sung-Jin EUM, Joo-Dong LEE
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING ELEMENT USING SAME
    Publication number: 20180323379
    Abstract: The present application provides a hetero-cyclic compound which may significantly improve the service life, efficiency, electrochemical stability, and thermal stability of an organic light emitting device, and an organic light emitting device in which the hetero-cyclic compound is contained in an organic compound layer.
    Type: Application
    Filed: November 8, 2016
    Publication date: November 8, 2018
    Applicant: HEESUNG MATERIAL LTD.
    Inventors: Mi-Jin KIM, Won-Jang JEONG, Jin-Seok CHOI
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING ELEMENT USING SAME
    Publication number: 20180287072
    Abstract: The present application provides a hetero-cyclic compound which may significantly improve the service life, efficiency, electrochemical stability, and thermal stability of an organic light emitting device, and an organic light emitting device in which the hetero-cyclic compound is contained in an organic compound layer.
    Type: Application
    Filed: June 7, 2018
    Publication date: October 4, 2018
    Applicant: HEESUNG MATERIAL LTD.
    Inventors: Geon-yu PARK, Han-Kook OH, Yun-Ji LEE, Dong-Jun KIM, Jin-Seok CHOI
  • Hetero-cyclic compound and organic light emitting device using the same
    Patent number: 10026908
    Abstract: The present application provides a hetero-cyclic compound which may significantly improve a service life, efficiency, electrochemical stability, and thermal stability of an organic light emitting device, and an organic light emitting device in which the hetero-cyclic compound is contained in an organic compound layer.
    Type: Grant
    Filed: May 10, 2017
    Date of Patent: July 17, 2018
    Assignee: HEESUNG MATERIAL LTD.
    Inventors: Geon-Yu Park, Jae-Yeol Ma, Dong-Jun Kim, Jin-Seok Choi, Dae-Hyuk Choi, Joo-Dong Lee
  • Multicyclic aromatic compound and organic light emitting device using the same
    Patent number: 9899600
    Abstract: The present specification describes a multicyclic aromatic ring compound having a novel structure and an organic light emitting device using the same.
    Type: Grant
    Filed: November 26, 2013
    Date of Patent: February 20, 2018
    Assignee: Heesung Material Ltd.
    Inventors: Do-Hyung Lee, Dong-Jun Kim, Young-Seok No, Hyundong Chun, Joo-Dong Lee
  • HETERO-CYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE USING THE SAME
    Publication number: 20170331052
    Abstract: The present application provides a hetero-cyclic compound which may significantly improve a service life, efficiency, electrochemical stability, and thermal stability of an organic light emitting device, and an organic light emitting device in which the hetero-cyclic compound is contained in an organic compound layer.
    Type: Application
    Filed: May 10, 2017
    Publication date: November 16, 2017
    Applicant: HEESUNG MATERIAL LTD.
    Inventors: Geon-Yu PARK, Jae-Yeol MA, Dong-Jun KIM, Jin-Seok CHOI, Dae-Hyuk CHOI, Joo-Dong LEE
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING ELEMENT USING SAME
    Publication number: 20170324046
    Abstract: The present specification relates to a novel hetero-cyclic compound and an organic light emitting device using the same.
    Type: Application
    Filed: October 30, 2015
    Publication date: November 9, 2017
    Applicant: HEESUNG MATERIAL LTD.
    Inventors: Mi-Jin KIM, Kee-Yong KIM, Yang-Soo HA, Jin-Seok CHOI, Dae-Hyuk CHOI, Sung-Jin EUM, Joo-Dong LEE
  • NITROGEN-CONTAINING POLYCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING ELEMENT USING SAME
    Publication number: 20170317295
    Abstract: The present application relates to a polycyclic compound including nitrogen and an organic light emitting device including the same.
    Type: Application
    Filed: October 29, 2015
    Publication date: November 2, 2017
    Applicant: HEESUNG MATERIAL LTD.
    Inventors: Young-Seok NO, Kee-Yong KIM, Hyo-Kyun HAM, Jin-Seok CHOI, Dae-Hyuk CHOI, Sung-Jin EUM, Joo-Dong LEE
  • Heterocyclic compound and organic light emitting device using same
    Patent number: 9728731
    Abstract: Disclosed are a heterocyclic compound and an organic light emitting device including the same.
    Type: Grant
    Filed: December 26, 2014
    Date of Patent: August 8, 2017
    Assignee: HEESUNG MATERIAL LTD.
    Inventors: Hyun-Ju La, Young-Seok No, Mi-Jin Kim, Kee-Yong Kim, Jin-Seok Choi, Dae-Hyuk Choi, Sung-Jin Eum, Joo-Dong Lee
  • HETERO-CYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE USING THE SAME
    Publication number: 20170213988
    Abstract: The present application provides a hetero-cyclic compound which may significantly improve the lifetime, efficiency, electrochemical stability, and thermal stability of an organic light emitting device, and an organic light emitting device in which the hetero-cyclic compound is contained in an organic compound layer.
    Type: Application
    Filed: July 27, 2016
    Publication date: July 27, 2017
    Applicant: HEESUNG MATERIAL LTD.
    Inventors: Geon-Yu PARK, Han-Kook OH, Yun-Ji LEE, Jae-Yeol MA, Dong-Jun KIM, Jin-Seok CHOI, Dae-Hyuk CHOI, Joo-Dong LEE
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE USING SAME
    Publication number: 20170141325
    Abstract: The present application provides a hetero-cyclic compound which may significantly improve the service life, efficiency, electrochemical stability, and thermal stability of an organic light emitting device, and an organic light emitting device in which the hetero-cyclic compound is contained in an organic compound layer.
    Type: Application
    Filed: June 26, 2015
    Publication date: May 18, 2017
    Applicant: HEESUNG MATERIAL LTD.
    Inventors: Jung-Hyun LEE, Young-Seok NO, Geon-Yu PARK, Dong-Jun KIM, Kee-Yong KIM, Jin-Seok CHOI, Dae-Hyuk CHOI, Sung-Jin EUM, Joo-Dong LEE
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING ELEMENT USING SAME
    Publication number: 20170133602
    Abstract: The present specification relates to a novel hetero-cyclic compound, and an organic light emitting device using the same.
    Type: Application
    Filed: June 30, 2015
    Publication date: May 11, 2017
    Applicant: HEESUNG MATERIAL LTD.
    Inventors: Jung-Hyun LEE, Su-Jin JUNG, Sang-Kyu KANG, Kee-Yong KIM, Dong-Jun KIM, Jin-Seok CHOI, Dae-Hyuk CHOI, Sung-Jin EUM, Joo-Dong LEE
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE USING SAME
    Publication number: 20170107217
    Abstract: The present application provides a hetero-cyclic compound which may significantly improve the service life, efficiency, electrochemical stability, and thermal stability of an organic light emitting device, and an organic light emitting device in which the hetero-cyclic compound is contained in an organic compound layer.
    Type: Application
    Filed: May 15, 2015
    Publication date: April 20, 2017
    Applicant: HEESUNG MATERIAL LTD.
    Inventors: Jung-Hyun LEE, Kee-Yong KIM, Yong-Hoon AN, Jin-Seok CHOI, Dae-Hyuk CHOI, Sung-Jin EUM, Joo-Dong LEE
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE USING SAME
    Publication number: 20160380208
    Abstract: Disclosed are a heterocyclic compound and an organic light emitting device including the same.
    Type: Application
    Filed: December 26, 2014
    Publication date: December 29, 2016
    Applicant: HEESUNG MATERIAL LTD.
    Inventors: Hyun-Ju LA, Young-Seok NO, Mi-Jin KIM, Kee-Yong KIM, Jin-Seok CHOI, Dae-Hyuk CHOI, Sung-Jin EUM, Joo-Dong LEE
  • POLYCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE USING THE SAME
    Publication number: 20160204357
    Abstract: Disclosed are a novel polycyclic compound and an organic light emitting device using the same.
    Type: Application
    Filed: June 29, 2015
    Publication date: July 14, 2016
    Applicant: HEESUNG MATERIAL LTD.
    Inventors: So-Hyun JANG, Kee-Yong KIM, Jin-Seok CHOI, Dae-Hyuk CHOI, Sung-Jin EUM, Joo-Dong LEE
  • Lead-free solder composition for glass
    Patent number: 9333594
    Abstract: The present invention provides a lead-free solder composition for glass. The lead-free solder composition for glass includes indium, zinc, and tin. The indium (In) ranges from about 30.0 wt % to about 60 wt %. The zinc (Zn) ranges from about 0.01 wt % to about 11.0 wt %. The tin (Sn) is included as a remaining component.
    Type: Grant
    Filed: December 12, 2012
    Date of Patent: May 10, 2016
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Korea Autoglass Corporation, Heesung Material Ltd.
    Inventors: Hae Won Jeong, Hyun Dal Park, Tae Seung Lee, Seung Kyu Kim, Hong Nho Joo, Ho June Yoon, Min Ho Bak, Joo Dong Lee, Hyun Chae Jung, Sun Myung Lee
  • Heat Exchanger for Refrigeration Cycle
    Publication number: 20140311181
    Abstract: Disclosed therein is a heat exchanger for a refrigeration cycle in which a suction pipe and a capillary tube are made of aluminum which is inexpensive, instead of the copper-made suction pipe and the copper-made capillary tube of the existing heat exchanger for the refrigeration cycle, and which is easy to apply the meandering. The capillary tube is made of aluminum alloy selected from JIS 3000 series alloy and the suction pipe is made of aluminum selected from JIS 1000 series aluminum, and the outer surface of the capillary tube and the outer surface of the suction pipe are melted and bonded together, or particularly, are melted and bonded together by fiber laser beam radiation. The heat exchanger is equipped in a refrigerator.
    Type: Application
    Filed: April 19, 2013
    Publication date: October 23, 2014
    Applicants: Heesung Material Ltd.
    Inventors: Terumasa Matsumoto, Takashi Chino, Makoto Kusama
  • HYDROCARBON-BASED FUSED RING COMPOUND AND ORGANIC LIGHT EMITTING DEVICE USING THE SAME
    Publication number: 20140197393
    Abstract: The present invention relates to a hydrocarbon-based fused ring compound and an organic light emitting device including the same.
    Type: Application
    Filed: December 20, 2013
    Publication date: July 17, 2014
    Applicant: HEESUNG MATERIAL LTD.
    Inventors: Jun-A LEE, Geon-Yu PARK, Jeong-Hoon YANG, Sung-Jin EUM, Joo-Dong LEE
  • MULTICYCLIC AROMATIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE USING THE SAME
    Publication number: 20140145169
    Abstract: The present specification describes a multicyclic aromatic ring compound having a novel structure and an organic light emitting device using the same.
    Type: Application
    Filed: November 26, 2013
    Publication date: May 29, 2014
    Applicant: HEESUNG MATERIAL LTD.
    Inventors: Do-Hyung LEE, Dong-Jun KIM, Young-Seok NO, Hyundong CHUN, Joo-Dong LEE
  • LEAD-FREE SOLDER COMPOSITION FOR GLASS
    Publication number: 20140044589
    Abstract: The present invention provides a lead-free solder composition for glass. The lead-free solder composition for glass includes indium, zinc, and tin. The indium (In) ranges from about 30.0 wt % to about 60 wt %. The zinc (Zn) ranges from about 0.01 wt % to about 11.0 wt %. The tin (Sn) is included as a remaining component.
    Type: Application
    Filed: December 12, 2012
    Publication date: February 13, 2014
    Applicants: HYUNDAI MOTOR COMPANY, HEESUNG MATERIAL LTD., KOREA AUTOGLASS CORPORATION, KIA MOTORS CORPORATION
    Inventors: Hae Won Jeong, Hyun Dal Park, Tae Seung Lee, Seung Kyu Kim, Hong Nho Joo, Ho June Yoon, Min Ho Bak, Joo Dong Lee, Hyun Chae Jung, Sun Myung Lee