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).

  • 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: 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: 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: 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: 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
  • Publication number: 20230117909
    Abstract: Disclosed is an organometallic compound represented by a following Chemical Formula 1. The organometallic compound acts as a dopant of a light-emitting layer of an organic light-emitting diode. Thus, operation voltage of the diode is lowered, and luminous efficiency and lifespan thereof are improved: Ir(LA)m(LB)n??[Chemical Formula 1] where in the Chemical Formula 1, LA represents a main ligand, and is one selected from a group consisting of Chemical Formula 2-1, Chemical Formula 2-2, and Chemical Formula 2-3, LB denotes an ancillary ligand represented by a Chemical Formula 3, each of m and n denotes a number of the ligands bound to Ir (iridium), and m is 1, 2 or 3, and n is 0, 1 or 2, and a sum of m and n is 3.
    Type: Application
    Filed: July 26, 2022
    Publication date: April 20, 2023
    Applicants: LG DISPLAY CO., LTD., ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
    Inventors: Kusun CHOUNG, Hansol PARK, Yoojeong JEONG, Kyoung-Jin PARK, Hyun KIM, Jin Ri HONG, Yeon Gun LEE
  • Publication number: 20230110454
    Abstract: Disclosed is an organometallic compound represented by a following Chemical Formula 1. The organometallic compound acts as a dopant of a light-emitting layer of an organic light-emitting diode.
    Type: Application
    Filed: July 25, 2022
    Publication date: April 13, 2023
    Applicants: LG DISPLAY CO., LTD., ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
    Inventors: Kusun CHOUNG, Hansol PARK, Yoojeong JEONG, Kyoung-Jin PARK, Hyun KIM, Jin Ri HONG, Yeon Gun LEE
  • Publication number: 20230096621
    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. By comprising the organic electroluminescent compound of the present disclosure, it is possible to provide an organic electroluminescent device having higher luminous efficiency and/or longer lifetime properties compared to a conventional organic electroluminescent device.
    Type: Application
    Filed: June 24, 2022
    Publication date: March 30, 2023
    Inventors: Hyo-Soon PARK, Mi-Ja LEE, Kyung-Hoon CHOI, Kyoung-Jin PARK, Jin-Ri HONG, So-Mi PARK, Hyun KIM
  • Publication number: 20230002332
    Abstract: The present disclosure relates to a plurality of host materials comprising a first host material including a compound represented by formula 1 and a second host material including a compound represented by formula 2, and an organic electroluminescent device comprising the same. In addition, the present disclosure relates to an organic electroluminescent compound, and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound and/or a specific combination of compounds according to the present disclosure as host materials, an organic electroluminescent device having high luminous efficiency and long lifespan property can be provided.
    Type: Application
    Filed: May 25, 2022
    Publication date: January 5, 2023
    Inventors: So-Young JUNG, Su-Hyun Lee, Jin-Ri Hong, Jin-Man Kim, Hyo-Nim Shin, Sang-Hee Cho