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
    Publication number: 20220162210
    Abstract: The present disclosure relates to an organic electroluminescent compound, and an organic electroluminescent device comprising the same. It is possible to provide an organic electroluminescent device which can be deposited at a low deposition temperature and/or in which clogging is reduced.
    Type: Application
    Filed: March 24, 2020
    Publication date: May 26, 2022
    Inventors: Hong-Se OH, Sung-Woo JANG, Joon-Hyung KIL, Seon-Jin HWANG, Seung-Ae KIM, Hee-Ryong KANG, Sang-Hee CHO, Hyo-Soon PARK
  • Organic electroluminescent compound and organic electroluminescent device comprising the same
    Patent number: 11302874
    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: Grant
    Filed: February 26, 2018
    Date of Patent: April 12, 2022
    Inventors: Jeong-Eun Yang, Hong-Se Oh, Hee-Ryong Kang, Young-Gil Kim, Sang-Hee Cho
  • A PLURALITY OF HOST MATERIALS AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME
    Publication number: 20220052271
    Abstract: The present disclosure relates to a plurality of host materials and an organic electroluminescent device comprising the same. By comprising the host materials according to the present disclosure, an organic electroluminescent device having low driving voltage and/or a high efficiency and/or long lifespan can be provided.
    Type: Application
    Filed: August 7, 2019
    Publication date: February 17, 2022
    Inventors: Bitnari KIM, Su-Hyun LEE, Hong-Se OH, So-Young JUNG, Sang-Hee CHO
  • ORGANIC ELECTROLUMINESCENT COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME
    Publication number: 20220052272
    Abstract: The present disclosure relates to an organic electroluminescent compound represented by formula 1 and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound of the present disclosure, an organic electroluminescent device having improved driving voltage and/or luminous efficiency characteristics can be provided.
    Type: Application
    Filed: August 9, 2019
    Publication date: February 17, 2022
    Inventors: Hong-Se OH, Ga-Won LEE, Tae-Jin LEE
  • ORGANIC ELECTROLUMINESCENT COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME
    Publication number: 20220041615
    Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound according to the present disclosure, an organic electroluminescent device having low driving voltage and/or high luminous efficiency characteristics can be provided.
    Type: Application
    Filed: July 12, 2021
    Publication date: February 10, 2022
    Inventors: Hong-Se OH, Du-Yong PARK, Doo-Hyeon MOON, Dong-Hyung LEE
  • ORGANIC ELECTROLUMINESCENT COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME
    Publication number: 20210376240
    Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. The organic electroluminescent device with improved driving voltage and/or power efficiency can be provided by using the organic electroluminescent compound according to the present disclosure.
    Type: Application
    Filed: May 17, 2021
    Publication date: December 2, 2021
    Inventors: Doo-Hyeon Moon, Hyo-Nim Shin, Hong-Se Oh, Dong-Hyung Lee, So-Mi Park, Du-Yong Park
  • ORGANIC ELECTROLUMINESCENT COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME
    Publication number: 20210343949
    Abstract: The present disclosure relates to an organic electroluminescent compound comprising a ligand represented by formula 1, and an organic electroluminescent device comprising the same. The organic electroluminescent device having a luminescent efficiency higher than a conventional organic electroluminescent device can be provided by comprising the organic electroluminescent compound of the present disclosure.
    Type: Application
    Filed: August 9, 2019
    Publication date: November 4, 2021
    Inventors: Hyun Kim, Jeong-Hwan JEON, Seon-Jin HWANG, Ga-Won LEE, Hong-Se OH
  • ORGANIC ELECTROLUMINESCENT COMPOUND, ORGANIC ELECTROLUMINESCENT MATERIAL COMPRISING THE SAME, AND ORGANIC ELECTROLUMINESCENT DEVICE
    Publication number: 20210328150
    Abstract: The present disclosure relates to an organic electroluminescent compound, an organic electroluminescent material comprising the same, and an organic electroluminescent device. By comprising an organic electroluminescent compound according to the present disclosure and an organic electroluminescent material comprising the same, an organic electroluminescent device having low driving voltage and/or high luminous efficiency and/or long lifespan can be provided.
    Type: Application
    Filed: March 19, 2021
    Publication date: October 21, 2021
    Inventors: Hyo-Soon PARK, Doo-Hyeon Moon, Du-Yong Park, Hong-Se Oh, Kyoung-Jin Park, Dong-Hyung Lee, Sang-Hee Cho, So-Mi Park, Jin-Man Kim
  • ORGANIC ELECTROLUMINESCENT DEVICE
    Publication number: 20210328152
    Abstract: The present disclosure relates to an organic electroluminescent device comprising a light-emitting layer and a hole transport zone. By the combination of the light-emitting layer comprising the compound according to the present disclosure and the hole transport zone comprising the compound having a specific HOMO energy level, the organic electroluminescent device having excellent luminous efficiency can be provided.
    Type: Application
    Filed: March 21, 2018
    Publication date: October 21, 2021
    Inventors: Tae-Jin LEE, Dong-Hyung LEE, Bitnari KIM, Hong-Se OH, Hee-Ryong KANG
  • ORGANIC ELECTROLUMINESCENT COMPOUND, ORGANIC ELECTROLUMINESCENT MATERIAL COMPRISING THE SAME, AND ORGANIC ELECTROLUMINESCENT DEVICE
    Publication number: 20210280796
    Abstract: The present disclosure relates to an organic electroluminescent compound, an organic electroluminescent material comprising the same, and an organic electroluminescent device. By comprising the organic electroluminescent compound according to the present disclosure, an organic electroluminescent device having low driving voltage and/or high luminous efficiency and/or long lifespan can be provided.
    Type: Application
    Filed: March 1, 2021
    Publication date: September 9, 2021
    Inventors: Young-Kwang Kim, Hong-Se Oh, Ji-Song Jun, Chi-Sik Kim, Kyoung-Jin Park, Doo-Hyeon Moon
  • ORGANIC ELECTROLUMINESCENT COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME
    Publication number: 20210193925
    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 high luminous efficiency and/or long lifespan properties can be provided compared to conventional organic electroluminescent devices.
    Type: Application
    Filed: November 21, 2018
    Publication date: June 24, 2021
    Inventors: Hong-Se OH, Tae-Jin LEE, Jeong-Eun YANG, Yeon-Gun LEE
  • ORGANIC ELECTROLUMINESCENT COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME
    Publication number: 20210062080
    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 with improved driving voltage, luminous efficiency, lifespan properties and/or power efficiency.
    Type: Application
    Filed: January 18, 2019
    Publication date: March 4, 2021
    Inventors: Ga-Won LEE, Sang-Hee CHO, Hee-Ryong KANG, Hong-Se OH, Jeong-Eun YANG
  • ORGANIC ELECTROLUMINESCENT COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME
    Publication number: 20210024466
    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, an organic electroluminescent device having improved driving voltage, luminous efficiency, and/or lifespan characteristics can be provided.
    Type: Application
    Filed: February 12, 2019
    Publication date: January 28, 2021
    Inventors: Hong-Se OH, Jeong-Eun YANG, Tae-Jin LEE, Sang-Hee CHO
  • ORGANIC ELECTROLUMINESCENT COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME
    Publication number: 20210013418
    Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. The organic electroluminescent device having improved driving voltage and/or current efficiency characteristics can be provided by comprising the organic electroluminescent compound according to the present disclosure.
    Type: Application
    Filed: June 23, 2020
    Publication date: January 14, 2021
    Inventors: Chi-Sik KIM, Young-Gil KIM, Hong-Se OH, Dong-Hyung LEE
  • 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