Patents by Inventor Jin Ri HONG

Jin Ri HONG 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).

  • Publication number: 20240381758
    Abstract: An organometallic compound represented by Chemical Formula 1, Ir(LA)m(LB)n, and an organic light-emitting diode including the same. The organometallic compound may act as a dopant of a light-emitting layer of the organic light-emitting diode. An operation voltage of the device may be lowered, and luminous efficiency and a lifespan thereof may be improved.
    Type: Application
    Filed: May 7, 2024
    Publication date: November 14, 2024
    Applicants: LG Display Co., Ltd., DuPont Specialty Materials Korea Ltd.
    Inventors: Kusun Choung, Misang Yoo, Hansol Park, Yoojeong Jeong, Soonjae Hwang, Kyoung-Jin PARK, Hyun Kim, Jin Ri HONG, Yeon Gun LEE
  • Publication number: 20240376376
    Abstract: An organometallic compound represented by Chemical Formula 1, Ir(LA)m(LB)n, and an organic light-emitting diode including the same. The organometallic compound may act as a dopant of a light-emitting layer of the organic light-emitting diode. An operation voltage of the device may be lowered, and luminous efficiency and a lifespan thereof may be improved.
    Type: Application
    Filed: May 7, 2024
    Publication date: November 14, 2024
    Applicants: LG Display Co., Ltd., DuPont Specialty Materials Korea Ltd.
    Inventors: Kusun Choung, Misang Yoo, Hansol Park, Yoojeong Jeong, Soonjae Hwang, Kyoung-Jin PARK, Hyun Kim, Jin Ri HONG, Yeon Gun LEE
  • Publication number: 20240260466
    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 of the present disclosure as host materials, it is possible to provide an organic electroluminescent device having improved lifetime properties as compared with a conventional organic electroluminescent device.
    Type: Application
    Filed: February 2, 2024
    Publication date: August 1, 2024
    Inventors: Su-Hyun LEE, So-Young JUNG, Dong-Gil KIM, Sang-Hee CHO, Jin-Ri HONG, Doo-Hyeon MOON
  • Publication number: 20240228873
    Abstract: The present invention relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. The organic electroluminescent compound according to the present invention can be comprised in a light-emitting layer or an electron buffer layer, and is effective to produce an organic electroluminescent device having low driving voltage, excellent current and power efficiencies, and significantly improved operational lifespan.
    Type: Application
    Filed: February 20, 2024
    Publication date: July 11, 2024
    Inventors: Hee-Ryong KANG, Jin-Ri HONG, Bitnari KIM, Sang-Hee CHO
  • Patent number: 12004420
    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: Grant
    Filed: May 29, 2020
    Date of Patent: June 4, 2024
    Assignee: Rohm and Haas Electronic Materials Korea Ltd.
    Inventors: Doo-Hyeon Moon, Su-Hyun Lee, Jin-Ri Hong, So-Young Jung, Dong-Hyung Lee, Sang-Hee Cho
  • Publication number: 20240174694
    Abstract: The present disclosure relates to a plurality of host materials comprising at least one first host compound and at least one second host compound, and an organic electroluminescent device comprising the same. By comprising a specific combination of the compounds wherein the first host compound is represented by formula 1 and the second host compound is represented by formula 2, it is possible to provide an organic electroluminescent device having improved driving voltage, luminous efficiency, power efficiency and/or lifetime property.
    Type: Application
    Filed: January 8, 2024
    Publication date: May 30, 2024
    Inventors: So-Young JUNG, Ji-Song JUN, Su-Hyun LEE, Sang-Hee CHO, Jin-Ri HONG
  • Publication number: 20240101892
    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 a hole transport layer and/or a hole auxiliary layer, so that an organic electroluminescent device having improved light-emitting efficiency and driving lifespan can be manufactured.
    Type: Application
    Filed: November 29, 2023
    Publication date: March 28, 2024
    Inventors: Jin-Ri HONG, Young-Mook LIM
  • Patent number: 11844269
    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: Grant
    Filed: May 9, 2018
    Date of Patent: December 12, 2023
    Inventors: Hong-Se Oh, Tae-Jin Lee, Young-Kwang Kim, Doo-Hyeon Moon, Young-Mook Lim, Jin-Ri Hong
  • Patent number: 11793075
    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: Grant
    Filed: June 23, 2020
    Date of Patent: October 17, 2023
    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: 20230292611
    Abstract: The present disclosure relates to an organic electroluminescent compound, a plurality of host materials, and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound and/or the plurality of host materials according to the present disclosure, an organic electroluminescent device having low driving voltage and/or high luminous efficiency and/or long lifespan characteristics can be provided.
    Type: Application
    Filed: March 13, 2023
    Publication date: September 14, 2023
    Inventors: So-Young JUNG, Su-Hyun LEE, Sang-Hee CHO, Ji-Song JUN, Jin-Ri HONG, Mi-Ja LEE
  • Publication number: 20230276690
    Abstract: The present disclosure relates to an organic electroluminescent device including a first electrode; a second electrode; and at least one light-emitting layer(s) positioned between the first electrode and the second electrode, and wherein the light-emitting layer includes a host comprising a compound represented by formula 1 and a compound represented by formula 2, and a dopant comprising a compound represented by formula 3, so that the present disclosure may provide an organic electroluminescent device having high efficiency and long lifespan property.
    Type: Application
    Filed: August 26, 2022
    Publication date: August 31, 2023
    Inventors: Hyun KIM, Kyoung-Jin Park, So-Young Jung, Kyung-Hoon Choi, Seung-Ae Kim, Jin-Ri Hong, So-Mi Park, Mi-Ja Lee, Hyun-Woo Kang
  • Publication number: 20230263051
    Abstract: The present disclosure relates to a plurality of host materials comprising at least one first host compound represented by formula 1 and at least one second host compound represented by formula 2 and an organic electroluminescent device comprising the same. By comprising the specific combination of compounds according to the present disclosure as the host materials, an organic electroluminescent device having low driving voltage, high luminous efficiency, and/or significantly improved lifespan characteristics can be provided.
    Type: Application
    Filed: February 2, 2023
    Publication date: August 17, 2023
    Inventors: So-Young JUNG, Su-Hyun LEE, Chi-Sik KIM, Sang-Hee CHO, Jin-Ri HONG, Hee-Ryong KANG, Young-Jae KIM
  • Publication number: 20230247898
    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, luminous efficiency, and/or lifespan characteristics can be provided.
    Type: Application
    Filed: March 29, 2023
    Publication date: August 3, 2023
    Inventors: Jin-Ri HONG, Doo-Hyeon MOON, Du-Yong PARK, Young-Mook LIM
  • Publication number: 20230203075
    Abstract: Disclosed is a novel organometallic compound in which a main ligand (LA) has a fused ring structure including a thiophene group. The organometallic compound acts as a dopant of a phosphorescent light-emitting layer of an organic light-emitting diode. Thus, an operation voltage of the diode is lowered, and luminous efficiency and a lifespan thereof are improved.
    Type: Application
    Filed: December 23, 2022
    Publication date: June 29, 2023
    Applicants: LG DISPLAY CO., LTD., ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
    Inventors: Kusun CHOUNG, Gyuhyeong KIM, Yoojeong JEONG, Hansol PARK, Kyoung-Jin PARK, Hyun KIM, Jin Ri HONG, Yeon Gun LEE
  • Publication number: 20230209989
    Abstract: Disclosed is a novel organometallic compound in which a main ligand (LA) has a fused ring structure including a thiophene group. The organometallic compound acts as a dopant of a phosphorescent light-emitting layer of an organic light-emitting diode. Thus, an operation voltage of the diode is lowered, and luminous efficiency and a lifespan thereof are improved.
    Type: Application
    Filed: December 23, 2022
    Publication date: June 29, 2023
    Applicants: LG DISPLAY CO., LTD., ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
    Inventors: Yoojeong JEONG, Hansol PARK, Kusun CHOUNG, Kyoung-Jin PARK, Hyun KIM, Jin Ri HONG, Yeon Gun LEE
  • Publication number: 20230203074
    Abstract: Disclosed is a novel organometallic compound represented by following Chemical Formula 1. The organometallic compound acts as a dopant of a phosphorescent light-emitting layer of an organic light-emitting diode.
    Type: Application
    Filed: December 19, 2022
    Publication date: June 29, 2023
    Applicants: LG DISPLAY CO., LTD., ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
    Inventors: Hansol PARK, Yoojeong JEONG, Kusun CHOUNG, Kyoung-Jin PARK, Hyun KIM, Jin Ri HONG, Yeon Gun LEE
  • Publication number: 20230157168
    Abstract: The present disclosure relates to a plurality of host materials, an organic electroluminescent compound, and an organic electroluminescent device comprising the same. By comprising a specific combination of compounds according to the present disclosure as a plurality of host materials, or by comprising the compound according to the present disclosure, it is possible to produce an organic electroluminescent device having improved driving voltage, luminous efficiency and/or lifetime properties, compared to the conventional organic electroluminescent device.
    Type: Application
    Filed: October 28, 2022
    Publication date: May 18, 2023
    Inventors: So-Young JUNG, Su-Hyun LEE, Jin-Ri HONG, Sang-Hee CHO, Mi-Ja LEE, Seung-Hyun YOON
  • Patent number: 11653562
    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, luminous efficiency, and/or lifespan characteristics can be provided.
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: May 16, 2023
    Inventors: Jin-Ri Hong, Doo-Hyeon Moon, Du-Yong Park, Young-Mook Lim
  • Publication number: 20230141435
    Abstract: The present disclosure relates to a plurality of host materials comprising at least one first host compound and at least one second host compound, and an organic electroluminescent device comprising the same. By comprising a specific combination of compounds according to the present disclosure as host materials, an organic electroluminescent device having a low driving voltage, high luminous efficiency, and long lifespan characteristics can be provided.
    Type: Application
    Filed: September 26, 2022
    Publication date: May 11, 2023
    Inventors: So-Young Jung, Jin-Man Kim, Jin-Ri Hong, Tae-Jun Han, Su-Hyun Lee, Sang-Hee Cho
  • Publication number: 20230141672
    Abstract: The present disclosure relates to a plurality of host materials comprising at least one first host compound and at least one second host compound, and an organic electroluminescent device comprising the same. By comprising a specific combination of compounds according to the present disclosure as a plurality of host materials, it is possible to provide an organic electroluminescent device having improved driving voltage, luminous efficiency, and/or lifetime properties.
    Type: Application
    Filed: September 26, 2022
    Publication date: May 11, 2023
    Inventors: So-Young JUNG, Jin-Ri HONG, Su-Hyun LEE, Sang-Hee CHO, So-Mi PARK, Seung-Hyun YOON