Patents by Inventor Joon-Ho Kim

Joon-Ho Kim 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: 12543493
    Abstract: The present invention relates to an organic light-emitting device employing, as a host of a light emission layer, an anthracene derivative compound having a characteristic structure by introduction of a benzofuran structure into the anthracene backbone, and as a dopant of the light emission layer, a polycyclic compound having a characteristic structure. The organic light-emitting device according to the present invention is an organic light-emitting device with significantly improved external quantum efficiency and can be advantageously utilized not only for lighting devices but also for various display devices, such as flat, flexible, and wearable displays.
    Type: Grant
    Filed: March 8, 2022
    Date of Patent: February 3, 2026
    Assignee: SFC CO., LTD.
    Inventors: Kyeong-hyeon Kim, Se-jin Lee, Si-in Kim, Seok-bae Park, Hee-dae Kim, Yeong-tae Choi, Seung-soo Lee, Ji-yung Kim, Kyung-tae Kim, Myeong-jun Kim, Tae-gyun Lee, Joon-ho Kim
  • Publication number: 20260033236
    Abstract: Disclosed herein is an organic light emitting diode including a novel anthracene compound. More particularly, an organic light emitting diode including an anthracene compound represented by Chemical Formula A; and a compound represented by Chemical Formula B-1 or B-2 is provided. Chemical Formulas A, B-1, and B-2 are as defined in the description.
    Type: Application
    Filed: September 26, 2025
    Publication date: January 29, 2026
    Inventors: Se-Jin LEE, Si-In Kim, Seok-Bae Park, Hee-Dae Kim, Yeong-Tae Choi, Seung-Soo Lee, Ji-Yung Kim, Kyeong-Hyeon Kim, Kyungtae Kim, Myeong-Jun Kim, Tae Gyun Lee, Joon-Ho Kim
  • Publication number: 20250388570
    Abstract: Disclosed are an anthracene derivative with a specific structure and an organic electroluminescent device including the anthracene derivative. The organic electroluminescent device includes a light emitting layer employing the anthracene derivative as a host compound and a polycyclic aromatic derivative with a specific structure as a dopant compound. The use of the host and dopant compounds allows the organic electroluminescent device to have a long lifetime and significantly improved low-voltage characteristics.
    Type: Application
    Filed: August 19, 2025
    Publication date: December 25, 2025
    Applicant: SFC CO., LTD
    Inventors: Se-jin LEE, Si-In KIM, Seok-bae PARK, Hee-dae KIM, Yeong-tae CHOI, Seung-soo LEE, Ji-yung KIM, Kyeong-hyeon KIM, Kyung-tae KIM, Myeong-jun KIM, Tae-gyun LEE, Joon-ho KIM
  • Patent number: 12457896
    Abstract: Disclosed herein is an organic light emitting diode including a novel anthracene compound. More particularly, an organic light emitting diode including an anthracene compound represented by Chemical Formula A; and a compound represented by Chemical Formula B-1 or B-2 is provided. Chemical Formulas A, B-1, and B-2 are as defined in the description.
    Type: Grant
    Filed: January 14, 2022
    Date of Patent: October 28, 2025
    Assignee: SFC CO., LTD.
    Inventors: Se-Jin Lee, Si-In Kim, Seok-Bae Park, Hee-Dae Kim, Yeong-Tae Choi, Seung-Soo Lee, Ji-Yung Kim, Kyeong-Hyeon Kim, Kyungtae Kim, Myeong-Jun Kim, Tae Gyun Lee, Joon-Ho Kim
  • Patent number: 12428407
    Abstract: Disclosed are an anthracene derivative with a specific structure and an organic electroluminescent device including the anthracene derivative. The organic electroluminescent device includes a light emitting layer employing the anthracene derivative as a host compound and a polycyclic aromatic derivative with a specific structure as a dopant compound. The use of the host and dopant compounds allows the organic electroluminescent device to have a long lifetime and significantly improved low-voltage characteristics.
    Type: Grant
    Filed: December 7, 2021
    Date of Patent: September 30, 2025
    Assignee: SFC CO., LTD
    Inventors: Se-jin Lee, Si-In Kim, Seok-bae Park, Hee-dae Kim, Yeong-tae Choi, Seung-soo Lee, Ji-yung Kim, Kyeong-hyeon Kim, Kyung-tae Kim, Myeong-jun Kim, Tae-gyun Lee, Joon-ho Kim
  • Publication number: 20250194337
    Abstract: The present invention relates to a novel compound with a characteristic structure and a high-efficiency, long-lifetime organic light-emitting device including same as a host compound in the light-emitting layer. Employing a polycyclic compound having a characteristic structure with a pyrene derivative incorporated thereinto as a host in the light-emitting layer, the organic light-emitting device according to the present invention can be configured as a high-efficiency, long-lifetime organic light-emitting device with excellent luminous characteristics in emission efficiency and the like and thus can find industrially advantageous applications in illumination devices as well as various display devices such as flat panel, flexible, and wearable displays.
    Type: Application
    Filed: March 8, 2023
    Publication date: June 12, 2025
    Applicant: SFC CO., LTD.
    Inventors: Si-In KIM, Se-jin LEE, Seok-bae PARK, Hee-dae KIM, Yeong-tae CHOI, Ji-yung KIM, Kyung-tae KIM, Kyeong-hyeon KIM, Tae-gyun LEE, Joon-ho KIM
  • Publication number: 20250143171
    Abstract: The present invention relates to an organic compound represented by the following Formula 1, and a high-efficiency and long-lifetime organic light emitting device enabling significantly improved low voltage driving, and having long lifetime, excellent luminous efficiency and the like by employing the same as a light emitting layer host material in the device.
    Type: Application
    Filed: October 28, 2024
    Publication date: May 1, 2025
    Inventors: Yeon-jae CHOI, Si-in KIM, Tae-young KIM, Kyeong-hyeon KIM, Joon-ho KIM, Hyuk-woo JANG, Do-yeong CHOI, Seo-youn PARK, Kyeong-wan KIM, Se-jin LEE
  • Publication number: 20250143181
    Abstract: The present invention relates to an organic compound represented by the following Formula 1, and a high-efficiency and long-lifetime organic light emitting device enabling significantly improved low voltage driving, and having long lifetime, excellent luminous efficiency and the like by employing the same as a light emitting layer host material in the device.
    Type: Application
    Filed: October 28, 2024
    Publication date: May 1, 2025
    Inventors: Hyuk-woo JANG, Si-in KIM, Tae-young KIM, Kyeong-hyeon KIM, Joon-ho KIM, Yeon-jae CHOI, Do-yeong CHOI, Seo-youn PARK, Kyeong-wan KIM, Se-jin LEE
  • Publication number: 20250127037
    Abstract: The present invention relates to an organic light-emitting compound represented by [chemical formula A] or [chemical formula B], which can be used in an organic light-emitting device, and an organic light-emitting device comprising same, wherein [chemical formula A] and [chemical formula B] are the same as described in the detailed description of the invention.
    Type: Application
    Filed: November 24, 2022
    Publication date: April 17, 2025
    Inventors: Kyung-Tae KIM, Se-Jin LEE, Si-In KIM, Seok-Base PARK, Hee-Dae KIM, Yeong-Tae CHOI, Ji-Yung KIM, Seung-Soo LEE, Kyeong-Hyeon KIM, Tae-Gyun LEE, Joon-Ho KIM
  • Publication number: 20250066275
    Abstract: The present invention relates to an anthracene derivative compound having a characteristic structure in which an aryl group is introduced into a skeletal structure in which deuterium-substituted phenyl and anthracene are linked. In addition, the present invention relates to a high-efficiency, long-life organic light-emitting device of which the luminous efficiency and lifetime characteristics are significantly improved by employing a polycyclic compound having a characteristic structure as a dopant for a light-emitting layer while employing said compound as a host for the light-emitting layer.
    Type: Application
    Filed: December 14, 2022
    Publication date: February 27, 2025
    Applicant: SFC CO., LTD.
    Inventors: Se-jin LEE, Si-In KIM, Seok-bae PARK, Hee-dae KIM, Yeong-tae CHOI, Kyung-tae KIM, Ji-yung KIM, Seung-soo LEE, Kyeong-hyeon KIM, Tae-gyun LEE, Joon-ho KIM
  • Publication number: 20250063948
    Abstract: The present invention relates to an organic light-emitting diode in which a light-emitting layer comprises a compound represented by [chemical formula A] as a host and comprises a compound represented by [chemical formula 3], [chemical formula 4], [chemical formula 3-1] to [chemical formula 4-3] as a dopant, wherein [chemical formula 3], [chemical formula 4], [chemical formula 3-1] to [chemical formula 4-3] are the same as those described in the detailed description of the invention.
    Type: Application
    Filed: November 25, 2022
    Publication date: February 20, 2025
    Inventors: Kyung-Tae KIM, Se-Jin LEE, Si-In KIM, Seok-Bae PARK, Hee-Dae KIM, Yeong-Tae CHOI, Ji-Yung KIM, Seung-Soo LEE, Kyeong-Hyeon KIM, Tae-Gyun LEE, Joon-Ho KIM
  • Publication number: 20240306505
    Abstract: The present invention relates to a high-efficiency organic light-emitting device having excellent light-emitting characteristics in light-emitting efficiency, etc. by employing an anthracene derivative compound having a characteristic structure as a host in a light-emitting layer. By using the high-efficiency organic light-emitting device, according to the present invention, the organic light-emitting device can be utilized for various display devices such as flat panel, flexible, and wearable displays as well as a lighting device.
    Type: Application
    Filed: March 8, 2022
    Publication date: September 12, 2024
    Inventors: Se-jin LEE, Si-in KIM, Seok-bae PARK, Hee-dae KIM, Yeong-tae CHOI, Seung-soo LEE, Ji-yung KIM, Kyeong-hyeon KIM, Kyung-tae KIM, Myeong-jun KIM, Tae-gyun LEE, Joon-ho KIM
  • Publication number: 20240270709
    Abstract: The present invention relates to a novel heterocyclic compound which can be used for an organic light-emitting device, and an organic light-emitting device comprising same, wherein [Chemical Formula A] above is as set forth in the detailed description of the invention.
    Type: Application
    Filed: May 12, 2022
    Publication date: August 15, 2024
    Inventors: Si-In KIM, Se-Jin LEE, Seok-Bae PARK, Hee-Dae KIM, Yeong-Tae CHOI, Ji-Ying KIM, Kyungtae KIM, Myeong-Jun KIM, Kyeong-Hyeon KIM, Seung-Soo LEE, Tae Gyun LEE, Joon-Ho KIM
  • Publication number: 20240196736
    Abstract: The present invention relates to an organic light-emitting device employing, as a host of a light emission layer, an anthracene derivative compound having a characteristic structure by introduction of a benzofuran structure into the anthracene backbone, and as a dopant of the light emission layer, a polycyclic compound having a characteristic structure. The organic light-emitting device according to the present invention is an organic light-emitting device with significantly improved external quantum efficiency and can be advantageously utilized not only for lighting devices but also for various display devices, such as flat, flexible, and wearable displays.
    Type: Application
    Filed: March 8, 2022
    Publication date: June 13, 2024
    Inventors: Kyeong-hyeon KIM, Se-jin LEE, Si-in KIM, Seok-bae PARK, Hee-dae KIM, Yeong-tae CHOI, Seung-soo LEE, Ji-yung KIM, Kyung-tae KIM, Myeong-jun KIM, Tae-gyun LEE, Joon-ho KIM
  • Publication number: 20240164206
    Abstract: The present invention relates to: a pyrene derivative compound having a specific structure; and a high efficiency organic light-emitting device employing the pyrene derivative compound in a light emitting layer and thus having excellent light-emitting characteristics. The organic light-emitting device according to the present invention can be configured as a high efficiency organic light-emitting device having excellent light-emitting characteristics by employing the pyrene derivative compound having the specific structure as a host in the light emitting layer, and thus can be usefully applied industrially in lighting devices, as well as various display devices such as flat, flexible, and wearable displays.
    Type: Application
    Filed: February 15, 2022
    Publication date: May 16, 2024
    Inventors: Se-jin LEE, Si-in KIM, Seok-bae PARK, Hee-dae KIM, Yeong-tae CHOI, Seung-soo LEE, Ji-yung KIM, Kyeong-hyeon KIM, Kyung-tae KIM, Myeong-jun KIM, Tae-gyun LEE, Joon-ho KIM
  • Publication number: 20240155938
    Abstract: An organic light-emitting device according to the present invention uses a pyrene derivative compound having a characteristic structure as a host in a light-emitting layer to realize a long-lifespan and high-efficiency organic light-emitting device having excellent light-emitting characteristics in terms of lifespan and luminescence efficiency. Accordingly, the organic light-emitting device can be usefully applied, in the industrial aspect, for various display devices such as flat panel, flexible, and wearable displays, as well as lighting devices.
    Type: Application
    Filed: February 15, 2022
    Publication date: May 9, 2024
    Inventors: Se-jin LEE, Si-in KIM, Seok-bae PARK, Hee-dae KIM, Yeong-tae CHOI, Seung-soo LEE, Ji-yung KIM, Kyeong-hyeon KIM, Kyung-tae KIM, Myeong-jun KIM, Tae-gyun LEE, Joon-ho KIM
  • Publication number: 20240090318
    Abstract: The present invention relates to a novel heterocyclic compound usable in an organic light-emitting device and to an organic light-emitting device comprising same, wherein [chemical formula A] is as described in the detailed description of the invention.
    Type: Application
    Filed: December 28, 2021
    Publication date: March 14, 2024
    Inventors: Se-Jin LEE, Seok-Bae PARK, Si-In KIM, Hee-Dae KIM, Yeong-Tae CHOI, Ji-Yung KIM, Kyung-Tae KIM, Myeong-Jun KIM, Kyeong-hyeon KIM, Seung-soo LEE, Tae Gyun LEE, Joon-Ho KIM
  • Publication number: 20240057471
    Abstract: The present invention relates to an organic light-emitting device comprising an organic compound represented by [chemical formula A], and, more particularly, to an organic light-emitting device comprising two emission layers between a first electrode and a second electrode and using the organic compound represented by [chemical formula A] in at least one of the two emission layers, [chemical formula A] being the same as that described in the detailed description of the invention.
    Type: Application
    Filed: December 28, 2021
    Publication date: February 15, 2024
    Inventors: Se-Jin LEE, Seok-Bae Park, Si-In KIM, Hee-Dae KIM, Yeong-Tae CHOI, Ji-Yung KIM, Kyung-Tae KIM, Myeong-Jun KIM, Kyeong-hyeon KIM, Seung-soo LEE, Tae-Gyyun LEE, Joon-HO KIM
  • Publication number: 20240023359
    Abstract: The present invention relates to an organic light-emitting device comprising an organic compound represented by [chemical formula A] or [chemical formula B] and, more particularly, to an organic light-emitting device comprising two emission layers between a first electrode and a second electrode and using the organic compound represented by [chemical formula A] or [chemical formula B] in at least one of the two emission layers, [chemical formula A] and [chemical formula B] being as described in the detailed description of the invention.
    Type: Application
    Filed: July 30, 2021
    Publication date: January 18, 2024
    Inventors: Si-in KIM, Se-jin LEE, Seok-bae PARK, Hee-dae KIM, Yeong-tae CHOI, Ji-Yung KIM, Kyungtae KIM, Myeong-jun KIM, Kyeong-Hyeon KIM, Yu-rim LEE, Seung-soo LEE, Tae Gyun LEE, Joon-ho KIM
  • Publication number: 20240016058
    Abstract: The present invention relates to a novel heterocyclic compound usable in an organic light-emitting device and to an organic light-emitting device comprising same, wherein [chemical formula A] and [chemical formula B] are as described in the detailed description of the invention.
    Type: Application
    Filed: July 29, 2021
    Publication date: January 11, 2024
    Inventors: Si-in KIM, Se-jin LEE, Seok-bae PARK, Hee-dae KIM, Yeong-tae CHOI, Ji-yung KIM, Kyungtae KIM, Myeong-jun KIM, Kyeong-hyeon KIM, Yu-rim LEE, Seung-soo LEE, Tae Gyun LEE, Joon-ho KIM