Patents by Inventor Doo-Hyeon Moon

Doo-Hyeon Moon 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: 10927103
    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 provides an organic electroluminescent device having high efficiency and/or long lifespan.
    Type: Grant
    Filed: June 10, 2020
    Date of Patent: February 23, 2021
    Assignee: Rohm and Haas Electronic Materials Korea Ltd.
    Inventor: Doo-Hyeon Moon
  • Publication number: 20210028373
    Abstract: The present disclosure relates to a plurality of host materials comprising a first host material comprising a compound represented by formula 1, and a second host material comprising a compound represented by formula 2, and an organic electroluminescent device comprising the same. By comprising a specific combination of compounds as a host material, it is possible to provide an organic electroluminescent device having an improved lifespan property, compared to conventional organic electroluminescent devices.
    Type: Application
    Filed: July 9, 2020
    Publication date: January 28, 2021
    Inventors: Bitnari KIM, Su-Hyun LEE, So-Young JUNG, Doo-Hyeon MOON, Du-Yong PARK, Sang-Hee CHO, Hae-Yeon KIM
  • Publication number: 20210020849
    Abstract: The present disclosure relates to a plurality of host materials comprising a first host material having a compound represented by formula 1, and a second host material having a compound represented by formula 2, and an organic electroluminescent device comprising the same. By comprising a specific combination of compounds of the present disclosure as host materials, it is possible to provide an organic electroluminescent device having long lifetime properties while having an equivalent or improved level of power efficiency compared to conventional organic electroluminescent devices.
    Type: Application
    Filed: May 29, 2020
    Publication date: January 21, 2021
    Inventors: Bitnari KIM, Doo-Hyeon MOON, Su-Hyun LEE, Du-Yong PARK, So-Young JUNG, Hae-Yeon KIM, Sang-Hee CHO
  • Publication number: 20210013427
    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 a high power efficiency and/or long lifespan can be provided.
    Type: Application
    Filed: June 23, 2020
    Publication date: January 14, 2021
    Inventors: Bitnari KIM, Su-Hyun LEE, Doo-Hyeon MOON, So-Young JUNG, Du-Yong PARK, Hae-Yeon KIM, Sang-Hee CHO, Jin-Ri HONG
  • Publication number: 20210005822
    Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound, an organic electroluminescent device having a low driving voltage and/or a high luminous efficiency and/or a long lifespan can be provided.
    Type: Application
    Filed: May 29, 2020
    Publication date: January 7, 2021
    Inventors: Doo-Hyeon MOON, Su-Hyun LEE, Jin-Ri HONG, So-Young JUNG, Dong-Hyung LEE, Sang-Hee CHO
  • Patent number: 10886474
    Abstract: The present disclosure relates to an organic electroluminescent compound, and an organic electroluminescent material and an organic electroluminescent device comprising the same. The organic electroluminescent compound of the present disclosure has excellent color purity, solubility, and thermal stability. By comprising the organic electroluminescent compound and the organic electroluminescent material of the present disclosure, an organic electroluminescent device showing low driving voltage, excellent current and power efficiencies, and significantly improved lifespan can be provided.
    Type: Grant
    Filed: September 25, 2015
    Date of Patent: January 5, 2021
    Assignee: Rohm and Haas Electronic Materials Korea Ltd
    Inventors: Doo-Hyeon Moon, Jeong-Eun Yang, Hee-Ryong Kang, Young-Mook Lim, Ji-Song Jun, Hee-Choon Ahn, Jin-Ri Hong, Su-Hyun Lee, Bitnari Kim, Tae-Jin Lee
  • Publication number: 20200381630
    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 low driving voltage, high luminous efficiency, and/or improved lifespan characteristics can be provided.
    Type: Application
    Filed: April 11, 2018
    Publication date: December 3, 2020
    Inventor: Doo-Hyeon MOON
  • Patent number: 10854824
    Abstract: The present disclosure relates to an organic electroluminescent compound, an organic electroluminescent material, and an organic electroluminescent device comprising the same. By using the organic electroluminescent compound of the present disclosure, it is possible to provide an organic electroluminescent device having low driving voltage, and/or excellent current and/or power efficiencies.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: December 1, 2020
    Assignee: Rohm and Haas Electronic Materials Korea Ltd.
    Inventors: Doo-Hyeon Moon, Jeong-Eun Yang
  • Patent number: 10727416
    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 provides an organic electroluminescent device having high efficiency and/or long lifespan.
    Type: Grant
    Filed: March 16, 2017
    Date of Patent: July 28, 2020
    Assignee: Rohm and Haas Electronic Materials Korea Ltd.
    Inventor: Doo-Hyeon Moon
  • Publication number: 20200152885
    Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. An organic electroluminescent device having a low driving voltage, a high luminous efficiency and/or excellent color coordinates can be provided by comprising the organic electroluminescent compound according to the present disclosure.
    Type: Application
    Filed: July 19, 2018
    Publication date: May 14, 2020
    Inventors: Hyun KIM, Doo-Hyeon MOON, Sang-Hee CHO, Sung-Wook CHO
  • Patent number: 10636980
    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 excellent lifespan characteristic can be produced.
    Type: Grant
    Filed: July 27, 2017
    Date of Patent: April 28, 2020
    Assignee: Rohm and Haas Electronic Materials Korea Ltd.
    Inventors: Doo-Hyeon Moon, Ji-Song Jun
  • Patent number: 10629824
    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. In addition, an organic electroluminescent device having low driving voltage, a high luminous efficiency and/or long lifespan characteristic can be provided with the use of the organic electroluminescent compound according to the present disclosure.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: April 21, 2020
    Assignee: Rohm and Haas Electronic Materials Korea Ltd
    Inventors: Doo-Hyeon Moon, Yeon-Gun Lee
  • 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
  • Patent number: 10547010
    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 provides an organic electroluminescent device having a remarkably improved lifespan.
    Type: Grant
    Filed: December 1, 2016
    Date of Patent: January 28, 2020
    Assignee: Rohm and Haas Electronic Materials Korea Ltd.
    Inventor: Doo-Hyeon Moon
  • Publication number: 20200028089
    Abstract: The present disclosure relates to a plurality of host materials and an organic electroluminescent device comprising the same. The organic electroluminescent device of the present disclosure can exhibit excellent lifespan characteristics while maintaining high luminous efficiency by including a specific combination of a plurality of host compounds.
    Type: Application
    Filed: February 23, 2018
    Publication date: January 23, 2020
    Inventors: Sang-Hee CHO, Doo-Hyeon MOON, Bitnari KIM
  • Publication number: 20190393427
    Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. The organic electroluminescent compound according to the present disclosure is contained in an electron transport layer and/or an electron buffer layer, so that an organic electroluminescent device having improved light-emitting efficiency can be manufactured.
    Type: Application
    Filed: February 9, 2018
    Publication date: December 26, 2019
    Inventors: Doo-Hyeon MOON, Sang-Hee CHO
  • 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
  • Publication number: 20190312212
    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 excellent lifespan characteristic can be produced.
    Type: Application
    Filed: July 27, 2017
    Publication date: October 10, 2019
    Inventors: Doo-Hyeon MOON, Ji-Song JUN
  • Publication number: 20190296249
    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. In addition, an organic electroluminescent device having low driving voltage, a high luminous efficiency and/or long lifespan characteristic can be provided with the use of the organic electroluminescent compound according to the present disclosure.
    Type: Application
    Filed: December 12, 2017
    Publication date: September 26, 2019
    Inventors: Doo-Hyeon MOON, Yeon-Gun LEE
  • Publication number: 20190288222
    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 low driving voltage, high luminous efficiency, and/or excellent lifespan characteristics can be provided.
    Type: Application
    Filed: October 26, 2017
    Publication date: September 19, 2019
    Inventors: Doo-Hyeon MOON, Bitnari KIM, Sang-Hee CHO