Patents by Inventor Hong-Se Oh

Hong-Se Oh 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).

  • Organic electroluminescent compound and organic electroluminescent device comprising the same
    Patent number: 10797243
    Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By using the organic electroluminescent compound of the present disclosure, an organic electroluminescent device having excellent luminous properties can be produced.
    Type: Grant
    Filed: March 20, 2017
    Date of Patent: October 6, 2020
    Assignee: Rohm and Haas Electronic Materials Korea Ltd
    Inventors: Hong-Se Oh, Young-Kwang Kim
  • ORGANIC ELECTROLUMINESCENT COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME
    Publication number: 20200119275
    Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By using the organic electroluminescent compound of the present disclosure, an organic electroluminescent device having low driving voltage, high luminous efficiency, and/or long lifespan properties can be provided.
    Type: Application
    Filed: May 9, 2018
    Publication date: April 16, 2020
    Inventors: Hong-Se OH, Tae-Jin LEE, Young-Kwang KIM, Doo-Hyeon MOON, Young-Mook LIM, Jin-Ri HONG
  • ORGANIC ELECTROLUMINESCENT DEVICE
    Publication number: 20200058882
    Abstract: The present disclosure relates to an organic electroluminescent device comprising a light-emitting layer and a hole transport zone. By comprising the combination of the light-emitting layer and the hole transport zone having a certain HOMO energy value according to the present disclosure, an organic electroluminescent device of excellent luminous efficiency while maintaining excellent lifespan or driving voltage characteristic of the device can be provided.
    Type: Application
    Filed: March 16, 2018
    Publication date: February 20, 2020
    Inventors: Tae-Jin LEE, Bitnari KIM, Hee-Ryong KANG, Dong-Hyung LEE, Hong-Se OH
  • ORGANIC ELECTROLUMINESCENT COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME
    Publication number: 20200013965
    Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound of the present disclosure, it is possible to provide an organic electroluminescent device having excellent thermal stability, low driving voltage, high luminous efficiency, and/or improved lifespan properties.
    Type: Application
    Filed: February 26, 2018
    Publication date: January 9, 2020
    Inventors: Jeong-Eun YANG, Hong-Se OH, Hee-Ryong KANG, Young-Gil KIM, Sang-Hee CHO
  • ORGANIC ELECTROLUMINESCENT COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME
    Publication number: 20190355913
    Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. The organic electroluminescent compound of the present disclosure has a high glass transition temperature that can be used in a deposition process. Further, by comprising the organic electroluminescent compound of the present disclosure, an organic electroluminescent device having a low driving voltage, high luminous efficiency, and/or improved lifespan characteristics can be provided.
    Type: Application
    Filed: February 14, 2018
    Publication date: November 21, 2019
    Inventors: Hong-Se OH, Young-Kwang KIM, Doo-Hyeon MOON
  • ORGANIC ELECTROLUMINESCENT DEVICE
    Publication number: 20190259947
    Abstract: The present disclosure relates to an organic electroluminescent device. The organic electroluminescent device of the present disclosure can provide a low driving voltage and excellent luminous efficiency by comprising a specific combination of a host compound and a hole transport material.
    Type: Application
    Filed: October 11, 2017
    Publication date: August 22, 2019
    Inventors: Tae-Jin LEE, Dong-Hyung LEE, Bitnari KIM, Hong-Se OH, Young-Kwang KIM
  • ORGANIC ELECTROLUMINESCENT COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME
    Publication number: 20190131526
    Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By using the organic electroluminescent compound of the present disclosure, an organic electroluminescent device having excellent luminous properties can be produced.
    Type: Application
    Filed: March 20, 2017
    Publication date: May 2, 2019
    Inventors: Hong-Se Oh, Young-Kwang Kim