Patents by Inventor Hyun-Ju Kang

Hyun-Ju Kang 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: 20240130230
    Abstract: The present disclosure relates to a plurality of host materials, organic electroluminescent compounds, and organic electroluminescent devices comprising the same. By comprising specific combinations of compounds according to the present disclosure as the plurality of host materials or by comprising a compound according to the present disclosure, it is possible to provide organic electroluminescent devices having improved lifespan characteristics compared to conventional organic electroluminescent devices.
    Type: Application
    Filed: August 8, 2023
    Publication date: April 18, 2024
    Inventors: Doo-Hyeon MOON, DaiKyu KIM, Hyo-Jung LEE, Yea-Mi SONG, Kyoung-Jin PARK, Hyun-Ju KANG, Ga-Won LEE, Mi-Ja LEE, Kyung-Hoon CHOI
  • Publication number: 20240114777
    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 lower driving voltage, higher luminous efficiency, and/or longer lifetime properties compared to the conventional organic electroluminescent devices.
    Type: Application
    Filed: July 20, 2023
    Publication date: April 4, 2024
    Inventors: So-Young JUNG, Hyo-Nim SHIN, Doo-Hyeon MOON, Sang-Hee CHO, Hyun-Ju KANG
  • Publication number: 20240099132
    Abstract: The present invention relates to an organic electroluminescent device comprising at least one light-emitting layer between an anode and a cathode, wherein the light-emitting layer comprises a host and a phosphorescent dopant; the host comprises plural host compounds; at least a first host compound of the plural host compounds has a structure of a nitrogen-containing heterocyclic linker bonded to a nitrogen atom of a carbazole of an indole-carbazole, indene-carbazole, benzofuran-carbazole, or benzothiophene-carbazole residue; and a second host compound has a carbazole-aryl-carbazole or carbazole-carbazole structure. According to the present invention, by using a specific multi-component host different from the conventional organic electroluminescent device, an organic electroluminescent device of significantly improved lifespan is provided.
    Type: Application
    Filed: November 15, 2023
    Publication date: March 21, 2024
    Inventors: Kyoung-Jin PARK, Bitnari KIM, Yoo-Jin DOH, Hyun-Ju KANG, Young-Mook LIM, Su-Hyun LEE, Chi-Sik KIM
  • Publication number: 20240090321
    Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the compound according to the present disclosure, an organic electroluminescent device having improved driving voltage, power efficiency and/or lifetime characteristics compared to conventional organic electroluminescent devices can be provided.
    Type: Application
    Filed: July 17, 2023
    Publication date: March 14, 2024
    Inventors: So-Young JUNG, Hyun-Ju KANG, Sang-Hee CHO, Tae-Jun HAN, Hyo-Nim SHIN, Eun-Joung CHOI
  • Publication number: 20240090324
    Abstract: The present disclosure relates to a plurality of host materials, an organic electroluminescent compound, and an organic electroluminescent device comprising the same. An organic electroluminescent device having improved driving voltage, luminous efficiency, and/or lifespan properties compared to a conventional organic electroluminescent device can be provided by including the specific combination of compounds according to the present disclosure as a plurality of host materials or by including the compound according to the present disclosure.
    Type: Application
    Filed: July 18, 2023
    Publication date: March 14, 2024
    Inventors: Hyo-Jung LEE, Yea-Mi SONG, Hyun-Ju KANG, Mi-Ja LEE, Doo-Hyeon MOON, Kyoung-Jin PARK, Du-Yong PARK, DaiKyu KIM
  • Publication number: 20240074312
    Abstract: The present disclosure relates to a plurality of host materials comprising a first host material comprising at least one compound represented by formula 1 and a second host material comprising at least one compound represented by formula 2, and an organic electroluminescent device comprising the same. An organic electroluminescent device having significantly improved lifetime properties is provided by comprising a specific combination of compounds according to the present disclosure as host materials.
    Type: Application
    Filed: July 13, 2023
    Publication date: February 29, 2024
    Inventors: Hyun-Ju KANG, Hyo-Jung LEE, Doo-Hyeon MOON, Kyoung-Jin PARK, Yea-Mi SONG, Mi-Ja LEE, DaiKyu KIM, Hyun KIM
  • Publication number: 20240057475
    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 the specific combination of the compound according to the present disclosure as host materials, an organic electroluminescent device having low driving voltage, high luminous efficiency and long lifespan characteristics can be provided.
    Type: Application
    Filed: June 8, 2023
    Publication date: February 15, 2024
    Inventors: Hyun-Ju KANG, So-Young JUNG, Hyo-Jung LEE, Dong-Gil KIM, Tae-Jun HAN, Seung-Hyun YOON, Ye-Jin JEON, Sang-Hee CHO, Hyo-Nim SHIN, Young-Gil KIM
  • Publication number: 20240032418
    Abstract: The present disclosure relates to a plurality of host materials, an organic electroluminescent compound, and an organic electroluminescent device comprising the same. An organic electroluminescent device having improved driving voltage, luminous efficiency, and/or lifespan properties can be provided by including the organic electroluminescent compound according to the present disclosure as an organic electroluminescent material or by including a specific combination of compounds according to the present disclosure as a plurality of host materials.
    Type: Application
    Filed: June 5, 2023
    Publication date: January 25, 2024
    Inventors: Yea-Mi SONG, Doo-Hyeon MOON, Hyo-Jung LEE, Hyun-Ju KANG, Kyoung-Jin PARK, Mi-Ja LEE, DaiKyu KIM
  • Publication number: 20230413667
    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 a specific combination of compounds according to the present disclosure as host materials, an organic electroluminescent device having significantly improved lifespan characteristics can be provided.
    Type: Application
    Filed: May 24, 2023
    Publication date: December 21, 2023
    Inventors: Doo-Hyeon MOON, Mi-Ja LEE, Kyoung-Jin PARK, Yea-Mi SONG, Hyun-Ju KANG, Hyo-Jung LEE, Chi-Sik KIM, DaiKyu KIM
  • Publication number: 20230403932
    Abstract: The present disclosure relates to a plurality of host materials and an organic electroluminescent device comprising the same. An organic electroluminescent device with improved lifespan properties can be produced by comprising a specific combination of compounds according to the present disclosure as a plurality of host materials.
    Type: Application
    Filed: May 2, 2023
    Publication date: December 14, 2023
    Inventors: Doo-Hyeon MOON, Kyoung-Jin PARK, Mi-Ja LEE, Hyun-Woo KANG, Hyun-Ju KANG, Hyo-Jung LEE, Yea-Mi SONG, DaiKyu KIM
  • Publication number: 20230284525
    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 the organic electroluminescent compound according to the present disclosure as a single host material, or by comprising the specific combination of compounds according to the present disclosure as a plurality of host materials, it is possible to produce an organic electroluminescent device having improved driving voltage and/or luminous efficiency.
    Type: Application
    Filed: February 2, 2023
    Publication date: September 7, 2023
    Inventors: Hyun-Ju KANG, Jeong-Hwan JEON, So-Mi PARK, Sang-Hee CHO, Hyun-Woo KANG, Kyoung-Jin PARK, Dong-Gil KIM
  • Publication number: 20230272275
    Abstract: The present invention relates to phosphorous host materials and an organic electroluminescent device comprising the same. By using the phosphorous host material of the present invention, an organic electroluminescent device having significantly improved operational lifespan can be produced.
    Type: Application
    Filed: April 19, 2023
    Publication date: August 31, 2023
    Inventors: Young-Mook LIM, Su-Hyun LEE, Hyun-Ju KANG, Chi-Sik KIM
  • Publication number: 20230235382
    Abstract: The present invention provides a target RNA detection method based on a dCas9/gRNA complex. A target RNA detection method according to the present invention can detect target RNA with the naked eye and without separate gene isolation and amplification steps, and, in particular, can rapidly and accurately detect target RNA through excellent target specificity and rapidity, and thus can exhibit excellent effects on the detection of various pathogens and/or viruses.
    Type: Application
    Filed: February 3, 2023
    Publication date: July 27, 2023
    Applicants: KOREA RESEARCH INSTITUTE OF BIOSCIENCE AND BIOTECHNOLOGY, BIONANO HEALTH GUARD RESEARCH CENTER
    Inventors: Tae Joon KANG, Jeong Moon, Ju Yeon Jung, Kyu Sun Lee, Eun Kyung Lim, Hong Ki Kim, Hyun Ju Kang
  • Publication number: 20230117383
    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 the organic electroluminescent compound according to the present disclosure or by comprising a specific combination of compounds according to the present disclosure as a plurality of host materials, 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 devices.
    Type: Application
    Filed: May 2, 2022
    Publication date: April 20, 2023
    Inventors: Chi-Sik KIM, Ji-Song JUN, Soo-Yong LEE, Seung-Hoon YOO, Kyoung-Jin PARK, Hyun-Woo KANG, Hyun-Ju KANG, So-Young JUNG, Sang-Hee CHO
  • Publication number: 20220231228
    Abstract: The present disclosure relates to an organic electroluminescent device comprising a light-emitting layer and a hole transport zone. By comprising a combination of the specific light-emitting layer and the specific hole transport zone according to the present disclosure, it is possible to produce an organic electroluminescent device having improved driving voltage, luminous efficiency, and/or lifespan characteristics.
    Type: Application
    Filed: October 14, 2021
    Publication date: July 21, 2022
    Inventors: Dong-Hyung LEE, Hyun-Woo KANG, Kyung-Hoon CHOI, Hong-Se OH, So-Mi PARK, Doo-Hyeon MOON, Du-Yong PARK, Hyun-Ju KANG
  • Publication number: 20220144856
    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 according to the present disclosure as a single host material, or the 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 luminous efficiency.
    Type: Application
    Filed: November 2, 2021
    Publication date: May 12, 2022
    Inventors: Hyun-Ju KANG, Eun-Joung CHOI, Hyo-Jung LEE, Su-Hyun LEE, Kyoung-Jin PARK, Sang-Hee CHO, Hong-Yeop NA
  • Publication number: 20220135875
    Abstract: The present invention relates to phosphorous host materials and an organic electroluminescent device comprising the same. By using the phosphorous host material of the present invention, an organic electroluminescent device having significantly improved operational lifespan can be produced.
    Type: Application
    Filed: January 11, 2022
    Publication date: May 5, 2022
    Inventors: Young-Mook LIM, Su-Hyun LEE, Hyun-Ju KANG, Chi-Sik KIM
  • Publication number: 20220048886
    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 according to the present disclosure as a single host material, or a specific combination of compounds according to the present disclosure as a plurality of host materials, it is possible to produce an organic electroluminescent device having an improved luminous efficiency.
    Type: Application
    Filed: August 2, 2021
    Publication date: February 17, 2022
    Inventors: Eun-Joung CHOI, Hyun-Ju KANG, Hong-Yeop NA, Su-Hyun LEE, Sang-Hee CHO
  • Publication number: 20220045281
    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 a low driving voltage and/or a high luminous efficiency and/or a long lifespan can be provided.
    Type: Application
    Filed: October 31, 2019
    Publication date: February 10, 2022
    Inventors: Jin-Ri HONG, Hyo-Soon PARK, Hyo-Jung LEE, Hyun-Ju KANG
  • Publication number: 20220020931
    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 host materials 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: July 13, 2021
    Publication date: January 20, 2022
    Inventors: Hyun-Ju KANG, So-Young JUNG, Eun-Joung CHOI, Hong-Yeop NA, Sang-Hee CHO, Su-Hyun LEE, Jin-Ri HONG