Patents by Inventor Jae Seung Ha

Jae Seung Ha 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: 11956982
    Abstract: Provided is an organic light-emitting device including: an anode; a cathode facing the anode; two or more light-emitting layers provided between the anode and the cathode and each having a maximum light emission peak of ?500 nm (?500 nm emission layer); and a light-emitting layer provided between the two or more ?500 nm emission layers, and having a maximum light emission peak at >500 nm (>500 nm emission layer), where a distance from the anode to the ?500 nm emission layer most adjacent to the anode is 100 nm to 200 nm, the distance from the anode to the ?500 nm emission most adjacent to the cathode is three to four times the distance from the anode to the ?500 nm emission layer most adjacent to the anode, and an N-type charge generation layer including an alkali metal and a P-type charge generation layer including a material with an electron affinity of ?4.8 eV are provided between each of the ?500 nm emission layers and the emission >500 nm emission layer.
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: April 9, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Minseung Chun, Seong So Kim, Jae Seung Ha
  • Patent number: 11937497
    Abstract: Provided is an organic light-emitting device including: an anode; a cathode provided to face the anode; and organic material layers including a light emitting layer disposed between the anode and the cathode, wherein the light emitting layer, one or more layers of the organic material layers disposed between the anode and the light emitting layer, and one or more layers from among the organic material layers disposed between the cathode and the light emitting layer, each include one or more compounds each composed of sp3 carbon as a center, the light emitting layer includes a host including one or more anthracene-based compounds, and among organic materials included in the organic material layers, the bandgap energy (Ebg) of each of the organic materials except for a dopant compound is 3 eV or more.
    Type: Grant
    Filed: November 6, 2019
    Date of Patent: March 19, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Jae Seung Ha, Minseung Chun, Woochul Lee, Sujeong Geum, Hongsik Yoon
  • Publication number: 20240043412
    Abstract: Provided is a compound of Chemical Formula 1: wherein: D is deuterium; L1 is a direct bond or a substituted or unsubstituted arylene group; Ar1 is a substituted or unsubstituted aryl group; R1 to R9 are the same as or different from each other, and are each independently hydrogen or deuterium; and a1 is an integer from 1 to 8, and an organic light emitting device including the same. Because the compound includes deuterium in the anthracene core, it exhibits improved mobility of electrons and holes, and improved molecular stability, and an organic light emitting device including the compound has excellent driving voltage, efficiency and service life.
    Type: Application
    Filed: June 23, 2022
    Publication date: February 8, 2024
    Inventors: Hojung LEE, Seonwoo KIM, Joo Ho KIM, Hoon Jun KIM, Woochul LEE, Jae Seung HA
  • Patent number: 11877464
    Abstract: Provided is an organic light emitting device that includes an anode, a cathode provided to face the anode, and one or more light emitting units provided between the anode and the cathode, wherein the organic light emitting device includes a charge generation layer provided between the anode and the one light emitting unit, or between the two light emitting units adjacent to each other among the light emitting units, the charge generation layer comprises a p-type charge injection layer, a p-type charge generation layer, or a layer which simultaneously injects and generates p-type charges, and the p-type charge injection layer, the p-type charge generation layer, or the layer which simultaneously injects and generates p-type charges has electric conductivity of 1×10?6 S/cm or more.
    Type: Grant
    Filed: May 11, 2018
    Date of Patent: January 16, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Dongheon Kim, Nansra Heo, Wanpyo Hong, Yeon Hwan Kim, Heungwoo Choi, Jun Yun, Hyungjin Lee, Jae Seung Ha
  • Patent number: 11864460
    Abstract: An organic light emitting device including a first electrode, a second electrode provided opposite to the first electrode, and an organic material layer provided between the first electrode and the second electrode, wherein the organic material layer includes a hole transfer layer and an electron blocking layer, and the hole transfer layer and the electron blocking layer include a compound of Chemical Formula 1, the materials of the hole transfer layer and the electron blocking layer are different from each other, and one or more layers that are not the hole transfer layer and the electron blocking layer of the organic material layer include a compound of Chemical Formula 2.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: January 2, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Sang Duk Suh, Jae Seung Ha, Dong Hoon Lee, Minseung Chun, Ji Young Choi, Woochul Lee, Joo Ho Kim, Hoon Jun Kim
  • Publication number: 20230320214
    Abstract: The present specification provides an organic light emitting device including a light emitting layer including a compound represented by Chemical Formula 1; and a compound represented by Chemical Formula H.
    Type: Application
    Filed: December 23, 2021
    Publication date: October 5, 2023
    Inventors: Hoon Jun Kim, Jae Seung Ha, Woochul Lee, Joo Ho Kim, Moung Gon Kim, Hojung Lee, Seonwoo Kim
  • Publication number: 20230292609
    Abstract: Provided is an organic light emitting device comprising: a first electrode; a second electrode; one or more organic material layers including a light emitting layer provided between the first electrode and the second electrode, wherein the light emitting layer includes a compound of Chemical Formula 1 and a compound of Chemical Formula 2:
    Type: Application
    Filed: August 31, 2021
    Publication date: September 14, 2023
    Inventors: Hoon Jun KIM, Jae Seung HA, Ji Young CHOI, Woochul LEE, Joo Ho KIM
  • Patent number: 11685859
    Abstract: Provided is a compound of Chemical Formula 1: wherein: L11 is a single bond or a substituted or unsubstituted C6-60 arylene; L12 and L13 are each independently a single bond or a substituted or unsubstituted C6-60 arylene; R11 is a substituted or unsubstituted C6-60 aryl; R12 and R13 are each independently any one substituent selected from the group consisting of the following: wherein, each R? is independently a substituted or unsubstituted C6-60 aryl, and R14 and R15 are hydrogen, or are linked to each other, and an organic light emitting device including the same.
    Type: Grant
    Filed: October 5, 2018
    Date of Patent: June 27, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Jae Seung Ha, Yeon Hwan Kim, Sang Young Jeon, Sung Kil Hong, Yong Bum Cha, Seong Mi Cho
  • Patent number: 11659764
    Abstract: Provided is an amine based compound of Chemical Formula 1: and an organic electroluminescent device comprising the same. The amine based compound can be used as a material of an organic material layer of an organic electroluminescent device, and can achieve an improvement of the efficiency, a low driving voltage and/or an improvement of the lifetime characteristic when applied to the organic electroluminescent device.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: May 23, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Jae Seung Ha, Sung Jae Lee, Hyeon Jin Mun
  • Publication number: 20230114182
    Abstract: The present specification provides an organic light emitting device including a light emitting layer.
    Type: Application
    Filed: November 30, 2020
    Publication date: April 13, 2023
    Inventors: Seonwoo Kim, Hojung Lee, Sujeong Geum, Hoon Jun Kim, Jae Seung Ha, Ji Young Choi, Wanpyo Hong, Woochul Lee, Joo Ho Kim, Moung Gon Kim, Kyunghee Kim, Hye Min Cho
  • Publication number: 20230090371
    Abstract: An organic light emitting device including a light emitting layer, which comprises one or more of compounds represented by Formulae 1-1 to 1-3, and a compound represented by Formula 2.
    Type: Application
    Filed: November 30, 2020
    Publication date: March 23, 2023
    Inventors: Seonwoo Kim, Hojung Lee, Sujeong Geum, Hoon Jun Kim, Jae Seung Ha, Ji Young Choi, Wanpyo Hong, Woochul Lee, Joo Ho Kim, Moung Gon Kim, Kyunghee Kim, Hye Min Cho
  • Publication number: 20230084250
    Abstract: An organic light emitting device including a light emitting layer, which comprises one or more of compounds represented by Formulae 1-1 to 1-3; and a compound represented by Formula 2.
    Type: Application
    Filed: November 30, 2020
    Publication date: March 16, 2023
    Inventors: Hojung LEE, Wanpyo HONG, Jae Seung HA, Ji Young CHOI, Woochul LEE, Joo Ho KIM, Hoon Jun KIM, Seonwoo KIM
  • Publication number: 20230024114
    Abstract: Provided is an organic light-emitting device including: an anode; a cathode provided to face the anode; a light-emitting layer provided between the anode and the cathode; a first organic material layer provided between the anode and the light-emitting layer; and a second organic material layer provided between the cathode and the light emitting layer in which each organic material, from among organic materials included in the light-emitting layer and the organic material layers, the band gap energy (Ebg) of each of the organic materials except for a dopant compound is 3 eV or more, the first organic material layer comprises one or more compounds each composed of centrally sp3 carbon, the second organic material layer includes one or more compounds each composed of centrally sp3 carbon, and the first organic material layer and the second organic material layer include three or more compounds each composed of centrally sp3 carbon.
    Type: Application
    Filed: November 6, 2019
    Publication date: January 26, 2023
    Inventors: Jae Seung HA, Seong So KIM, Minseung CHUN
  • Publication number: 20230021165
    Abstract: Provided is a composition, comprising a compound of Chemical Formula 1 and a compound of Chemical Formula 2, wherein at least one of the compound of Chemical Formula 1 and the compound of Chemical Formula 2 includes at least one deuterium: wherein at least one of R1 to R10 bonds to a * site of Chemical Formula 1-1, and Ar is a substituted or unsubstituted aryl group; wherein at least one of Y1 to Y10 bonds to a * site of Chemical Formula 2-1, and A and B are each independently a substituted or unsubstituted aromatic hydrocarbon ring or a substituted or unsubstituted aromatic heteroring; a deposition source, an organic electroluminescent device including the same, and a method for manufacturing the same.
    Type: Application
    Filed: June 1, 2021
    Publication date: January 19, 2023
    Inventors: Jae Seung HA, Ji Young CHOI, Wanpyo HONG, Woochul LEE, Joo Ho KIM, Hoon Jun KIM
  • Publication number: 20220402887
    Abstract: A compound of Chemical Formula 1: and an organic light emitting device including the same.
    Type: Application
    Filed: January 20, 2021
    Publication date: December 22, 2022
    Inventors: Hojung Lee, Wanpyo Hong, Jae Seung Ha, Ji Young Choi, Woochul Lee, Joo Ho Kim, Hoon Jun Kim, Seonwoo Kim
  • Publication number: 20220384733
    Abstract: An organic light emitting device including a light emitting layer, which comprises a compound represented by Formula 1 and a compound represented by Formula 2.
    Type: Application
    Filed: November 30, 2020
    Publication date: December 1, 2022
    Inventors: Ji Young Choi, Jae Seung Ha, Wanpyo Hong, Woochul Lee, Joo Ho Kim, Sujeong Geum, Hoon Jun Kim, Hojung Lee, Seonwoo Kim
  • Publication number: 20220376178
    Abstract: Provided is an organic light-emitting device including: an anode; a cathode provided to face the anode; and organic material layers including a light emitting layer disposed between the anode and the cathode, wherein the light emitting layer, one or more layers of the organic material layers disposed between the anode and the light emitting layer, and one or more layers from among the organic material layers disposed between the cathode and the light emitting layer, each include one or more compounds each composed of sp3 carbon as a center, the light emitting layer includes a host including one or more anthracene-based compounds, and among organic materials included in the organic material layers, the bandgap energy (Ebg) of each of the organic materials except for a dopant compound is 3 eV or more.
    Type: Application
    Filed: November 6, 2019
    Publication date: November 24, 2022
    Inventors: Jae Seung HA, Minseung CHUN, Woochul LEE, Sujeong GEUM, Hongsik YOON
  • Publication number: 20220238817
    Abstract: A compound of Chemical Formula 1: and an organic light emitting device including the same.
    Type: Application
    Filed: January 20, 2021
    Publication date: July 28, 2022
    Inventors: Hojung Lee, Wanpyo Hong, Jae Seung Ha, Ji Young Choi, Woochul Lee, Joo Ho Kim, Hoon Jun Kim, Seonwoo Kim
  • Publication number: 20220123218
    Abstract: Provided is an organic electroluminescent device, the organic electroluminescent device comprising a cathode, an anode, and one or more organic material layers provided between the cathode and the anode, the one or more organic material layers comprising a light emitting layer, an electron transport region and a hole transport region, wherein all of the organic materials, other than a dopant, contained in the one or more organic material layers have a triplet state energy of 2.5 eV or higher, at least three types of the organic materials having a triplet state energy of 2.5 eV or higher have a triplet state energy of 2.7 eV or higher, and at least two types of the organic materials having a triplet state energy of 2.5 eV or higher include a spiro compound.
    Type: Application
    Filed: September 29, 2019
    Publication date: April 21, 2022
    Inventors: Jae Seung HA, Seong So KIM, Minseung CHUN, Sang Duk SUH, Min Woo JUNG, Boon Jae JANG, Yongbum CHA, Dong Uk HEO, Jungha LEE
  • Publication number: 20210399223
    Abstract: An organic light emitting device including a first electrode, a second electrode provided opposite to the first electrode, and an organic material layer provided between the first electrode and the second electrode, wherein the organic material layer includes a hole transfer layer and an electron blocking layer, and the hole transfer layer and the electron blocking layer include a compound of Chemical Formula 1, the materials of the hole transfer layer and the electron blocking layer are different from each other, and one or more layers that are not the hole transfer layer and the electron blocking layer of the organic material layer include a compound of Chemical Formula 2.
    Type: Application
    Filed: September 20, 2019
    Publication date: December 23, 2021
    Inventors: Sang Duk SUH, Jae Seung HA, Dong Hoon LEE, Minseung CHUN, Ji Young CHOI, Woochul LEE, Joo Ho KIM, Hoon Jun KIM