Patents by Inventor So Kim

So Kim 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).

  • Heterocyclic compound and organic light-emitting element using same
    Patent number: 10734590
    Abstract: The present specification provides a heterocyclic compound and an organic light emitting device using the same.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: August 4, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Minyoung Kang, Dong Hoon Lee, Boonjae Jang, Jungi Jang, Seong So Kim
  • Compound and organic light emitting device containing same
    Patent number: 10651411
    Abstract: The present specification relates to a novel compound and an organic light emitting device including the same.
    Type: Grant
    Filed: September 9, 2016
    Date of Patent: May 12, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Yongbum Cha, Jin Joo Kim, Seong So Kim, Jemin Ryu
  • COMPOUND AND ORGANIC LIGHT EMITTING ELEMENT COMPRISING SAME
    Publication number: 20200131124
    Abstract: Provided is a compound of Chemical Formula 1: and an organic light emitting device including the same.
    Type: Application
    Filed: July 27, 2018
    Publication date: April 30, 2020
    Inventors: Sang Duk SUH, Sung Kil HONG, Seong So KIM
  • POLYCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING ELEMENT COMPRISING SAME
    Publication number: 20200048232
    Abstract: The present application relates to a compound of Chemical Formula 1 and an organic light emitting device including the same.
    Type: Application
    Filed: October 20, 2017
    Publication date: February 13, 2020
    Inventors: Yongbum CHA, Jin Joo KIM, Sung Kil HONG, Seong So KIM
  • Low viscous cosmetic composition using a natural emulsifying agent
    Patent number: 10555885
    Abstract: The present invention relates to a low-viscosity cosmetic composition and methods using a natural emulsifying agent. More specifically, the present invention relates to a cosmetic composition using a naturally derived saccharide-based surfactant in place of a chemical surfactant and realizing a low-viscosity formulation to offer safety to the skin, feel good on the skin with fast absorption, give stability to the formulation and add luster to the skin in an effective manner.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: February 11, 2020
    Assignee: AMOREPACIFIC CORPORATION
    Inventors: Byung Ryol Paik, Hui Kyoung Chang, Myeong Ryeol Lee, Yong Joo Na, Lee Kyoung Kwon, Young So Kim, Sang Hoon Han
  • Organic light emitting device
    Patent number: 10547008
    Abstract: The present specification provides an organic light emitting device.
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: January 28, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Yongbum Cha, Sung Kil Hong, Seong So Kim, Jemin Ryu
  • ORGANIC LIGHT EMITTING DEVICE
    Publication number: 20200013957
    Abstract: Provided is an organic light emitting device that includes an anode, a cathode, a light emitting layer containing a compound of Chemical Formula 1: and a hole transport region that includes a compound of Chemical Formula 2: the organic light emitting device having improved driving voltage, efficiency and lifetime.
    Type: Application
    Filed: March 8, 2018
    Publication date: January 9, 2020
    Inventors: Sang Duk SUH, Sung Kil HONG, Seong So KIM
  • Organic Light-emitting Element
    Publication number: 20190296238
    Abstract: The present specification relates to an organic light emitting device.
    Type: Application
    Filed: June 1, 2017
    Publication date: September 26, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Yongbum Cha, Seong So Kim, Sung Jae Lee, Sung Kil Hong
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING ELEMENT USING SAME
    Publication number: 20190237681
    Abstract: The present specification provides a heterocyclic compound and an organic light emitting device using the same.
    Type: Application
    Filed: April 5, 2019
    Publication date: August 1, 2019
    Inventors: Minyoung KANG, Dong Hoon LEE, Boonjae JANG, Jungi JANG, Seong So KIM
  • ORGANIC LIGHT EMITTING DEVICE
    Publication number: 20190198766
    Abstract: The present invention relates to an organic light emitting device comprising a light emitting layer including a compound represented by Chemical Formula 1 and an electron transport region including a compound represented by Chemical Formula 2, and having improved driving voltage, efficiency, and lifetime.
    Type: Application
    Filed: March 8, 2018
    Publication date: June 27, 2019
    Inventors: Sang Duk SUH, Sung Kil HONG, Seong So KIM
  • Heterocyclic compound and organic light-emitting element using same
    Patent number: 10326082
    Abstract: The present specification provides a heterocyclic compound and an organic light emitting device using the same.
    Type: Grant
    Filed: September 29, 2014
    Date of Patent: June 18, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Minyoung Kang, Dong Hoon Lee, Boonjae Jang, Jungi Jang, Seong So Kim
  • Test socket for semiconductor device and test device including the same
    Patent number: 10295563
    Abstract: Provided are a test socket for a semiconductor device and a test device including the test socket. The test device includes a test socket including terminals arranged in a two-dimensional array and corresponding to terminals of the semiconductor device and a ground line extending along at least one row of two-dimensional array; and a substrate electrically connected to the test socket so as to transmit and receive a test signal. The test socket includes a ground line extending along at least one row of the two-dimensional array.
    Type: Grant
    Filed: May 19, 2015
    Date of Patent: May 21, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Mi-so Kim, Jong-won Han
  • Heterocyclic compound and organic light-emitting element using same
    Patent number: 10263193
    Abstract: Disclosed are a heterocyclic compound represented by the following Chemical Formula having proper energy level, and excellent electrochemical stability and thermal stability, and an organic light emitting device using the same:
    Type: Grant
    Filed: September 29, 2014
    Date of Patent: April 16, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Minyoung Kang, Dong Hoon Lee, Boonjae Jang, Jungi Jang, Seong So Kim
  • Heterocyclic compound and organic light-emitting element using same
    Patent number: 10103336
    Abstract: The present specification provides a heterocyclic compound and an organic light emitting device using the same.
    Type: Grant
    Filed: September 29, 2014
    Date of Patent: October 16, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Minyoung Kang, Dong Hoon Lee, Boonjae Jang, Jungi Jang, Seong So Kim
  • Electron transport materials with selected dipole moments
    Patent number: 10074809
    Abstract: An exemplary embodiment of the present specification provides an organic electroluminescence device including: an anode; a cathode; a light emitting layer provided between the anode and the cathode; and an electron transporting layer provided between the cathode and the light emitting layer, in which the electron transporting layer includes a first electron transporting material and a second electron transporting material, the first electron transporting material is an organic material including a monocyclic or polycyclic ring which includes an N-containing six-membered ring, the second electron transporting material is an organic material including a five-membered hetero ring which includes at least one heteroatom of N, O, and S, or a cyano group, and a dipole moment of the second electron transporting material is larger than a dipole moment of the first electron transporting material.
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: September 11, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Boonjae Jang, Jungl Jang, Seong So Kim, Dong Hoon Lee
  • Nitrogen-containing polycyclic compound and organic light emitting device using same
    Patent number: 10035765
    Abstract: The present specification provides a multicyclic compound including nitrogen and an organic light emitting device using the same.
    Type: Grant
    Filed: October 7, 2015
    Date of Patent: July 31, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Hyok Joon Kwon, Minjun Kim, Wanpyo Hong, Kongkyeom Kim, Seong So Kim
  • Heterocyclic compound and organic light-emitting element using same
    Patent number: 10032997
    Abstract: The present specification provides a heterocyclic compound and an organic light emitting device using the same.
    Type: Grant
    Filed: September 29, 2014
    Date of Patent: July 24, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Minyoung Kang, Dong Hoon Lee, Boonjae Jang, Jungi Jang, Seong So Kim
  • COMPOUND AND ORGANIC LIGHT EMITTING DEVICE CONTAINING SAME
    Publication number: 20180145272
    Abstract: The present specification relates to a novel compound and an organic light emitting device including the same.
    Type: Application
    Filed: September 9, 2016
    Publication date: May 24, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Yongbum CHA, Jin Joo KIM, Seong So KIM, Jemin RYU
  • Multicyclic compound and organic electronic device using the same
    Patent number: 9951270
    Abstract: The present specification describes a novel polycyclic compound and an organic electroluminescent device using the same.
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: April 24, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Jiwon Kwak, Sung Kil Hong, Seong So Kim
  • Hetero-cyclic compound and organic light emitting device comprising the same
    Patent number: 9954181
    Abstract: The present specification provides a hetero-cyclic compound and an organic light emitting device including the hetero-cyclic compound.
    Type: Grant
    Filed: September 22, 2014
    Date of Patent: April 24, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Dong Uk Heo, Dong Hoon Lee, Sangbin Lee, Jungi Jang, Seong So Kim