Patents by Inventor Hyeon-Jun JO

Hyeon-Jun JO 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: 12281248
    Abstract: An organic light-emitting element according to the present invention employs a polycyclic aromatic derivative compound in a light-emitting layer inside the element, and further comprises a capping layer. Thus, the organic light-emitting element can be made highly efficient and can be useful for a device selected from among a flat panel display device, a flexible display device, a monochrome or white flat panel lighting device, and a monochrome or white flexible lighting device.
    Type: Grant
    Filed: November 28, 2019
    Date of Patent: April 22, 2025
    Assignees: SFC CO., LTD., HODOGAYA CHEMICAL CO., LTD.
    Inventors: Sung-hoon Joo, Byung-sun Yang, Su-jin Kim, Ji-hwan Kim, Hyeon-jun Jo, Sung-eun Choi, Bong-ki Shin, Young-hwan Park, Shuichi Hayashi, Takeshi Yamamoto, Shunji Mochizuki, Yuta Hirayama
  • Patent number: 12137613
    Abstract: The present invention relates to a novel polycyclic compound employed in an organic layer of an organoelectro luminescent device, wherein the organoelectro luminescent device employing the compound according to the present invention has remarkably improved luminous efficiency and a long lifespan. According to the present invention, it is possible to implement a highly efficient and long-life organoelectro luminescent device that can be effectively applied to various display devices.
    Type: Grant
    Filed: October 12, 2020
    Date of Patent: November 5, 2024
    Assignee: SFC Co., Ltd.
    Inventors: Bong-ki Shin, Sung-hoon Joo, Byung-sun Yang, Ji-hwan Kim, Hyeon-jun Jo, Sung-eun Choi
  • Publication number: 20240341189
    Abstract: Disclosed are a polycyclic compound with a specific fused ring structure and an organic light emitting device including a light emitting layer that employs the polycyclic compound. The use of the polycyclic compound ensures significantly long lifetime and improved luminous efficiency of the device.
    Type: Application
    Filed: March 27, 2024
    Publication date: October 10, 2024
    Inventors: Ji-hwan Kim, Kyung-Hwa Park, Hyeon-jun Jo, Seong-eun Woo, Soo-kyung Kang, Da-Yeon Lee, Hui-Jae Choi, Ji-hyun Lee, Sung-hoon Joo
  • Publication number: 20240301279
    Abstract: The present invention relates to a novel polycyclic compound employed by an organic layer of an organic light-emitting device, and an organic light-emitting device employing the compound according to the present invention has markedly improved luminous efficiency. According to the present invention, it is possible to achieve a highly efficient organic light-emitting device which can be effectively applied to a variety of display devices.
    Type: Application
    Filed: October 14, 2020
    Publication date: September 12, 2024
    Applicant: SFC CO., LTD
    Inventors: Bong-ki SHIN, Sung-hoon JOO, Byung-sun YANG, Ji-hwan KIM, Hyeon-jun JO, Sung-eun CHOI
  • Patent number: 12010915
    Abstract: The present disclosure relates to an organic light-emitting diode and, more particularly, to an organic-light-emitting diode comprising: a first electrode; a second electrode facing the first electrode; and a light-emitting layer intercalated between the first electrode and the second electrode, wherein the light-emitting layer comprises at least one of the amine compounds represented by the following Chemical Formula A and at least one of the anthracene compounds represented by the following Chemical Formula B or C. The structures of Chemical Formulas A to C are the same as in the specification.
    Type: Grant
    Filed: September 14, 2017
    Date of Patent: June 11, 2024
    Assignee: SFC CO., LTD.
    Inventors: Soon-Wook Cha, Sang-Woo Park, Jung-Ho Yoo, Ji-Hwan Kim, Sung Woo Kim, Hyeon Jun Jo, Young-Hwan Park
  • Patent number: 11985891
    Abstract: Disclosed are polycyclic aromatic compounds that can be employed in various organic layers of organic electroluminescent devices. Also disclosed are organic electroluminescent devices including the polycyclic aromatic compounds. The organic electroluminescent devices are highly efficient and long lasting and have greatly improved luminous efficiency.
    Type: Grant
    Filed: February 10, 2021
    Date of Patent: May 14, 2024
    Assignee: SFC Co., Ltd.
    Inventors: SungHoon Joo, Ji-Hwan Kim, Byung-sun Yang, Hyeon Jun Jo, Sungeun Choi, Su-jin Kim, Bong-Ki Shin
  • Publication number: 20240122070
    Abstract: The present invention relates to a novel polycyclic compound employed in an organic layer of an organoelectro luminescent device, wherein the organoelectro luminescent device employing the compound according to the present invention has remarkably improved luminous efficiency and a long lifespan. According to the present invention, it is possible to implement a highly efficient and long-life organoelectro luminescent device that can be effectively applied to various display devices.
    Type: Application
    Filed: October 12, 2020
    Publication date: April 11, 2024
    Applicant: SFC CO., LTD
    Inventors: Bong-ki SHIN, Sung-hoon JOO, Byung-sun YANG, Ji-hwan KIM, Hyeon-jun JO, Sung-eun CHOI
  • Publication number: 20240018164
    Abstract: The present invention relates to a polycyclic aromatic derivative compound and a high efficiency and long lifetime organoelectroluminescent device which has significantly improved luminous efficiency by using same. The present invention can implement an organoelectroluminescent device with high efficiency and long lifetime, and thus can be effectively used for industrial applications including flat display devices, flexible display devices, monochromatic or white flat lighting devices, and monochromatic or white flexible lighting devices.
    Type: Application
    Filed: September 2, 2021
    Publication date: January 18, 2024
    Inventors: Bong-ki SHIN, Sung-hoon JOO, Byung-sun YANG, Ji-hwan KIM, Hyeon-jun JO, Sung-eun CHOI
  • Publication number: 20240008365
    Abstract: The present invention relates to a polycyclic compound which can be employed in various organic layers included in an organic light emitting device and contains R substituted with at least one deuterium (D), and to an organic light emitting device which has a long lifespan by comprising same to significantly improve lifespan characteristics thereof. According to the present invention, an organic light emitting device having a long lifespan can be implemented, and thus can be industrially advantageously used in various lighting and display devices, such as a flat panel display device, a flexible display device, a monochromatic or white flat panel lighting device, a monochromatic or white flexible lighting device, a vehicle display device, and a virtual or augmented reality display device.
    Type: Application
    Filed: December 1, 2021
    Publication date: January 4, 2024
    Inventors: Sung-hoon JOO, Bong-ki SHIN, Byung-sun YANG, Ji-hwan KIM, Hyeon-jun JO, Sung-eun CHOI, Seong-eun WOO, Dong-myung PARK, Jun-young MOON, Soo-kyung KANG
  • Publication number: 20230413669
    Abstract: The present invention relates to a polycyclic compound that can be employed in various organic layers provided in an organic light-emitting device, and to a high-efficiency and long-life organic light-emitting device which comprises same and thus has significantly improved luminous efficiency and lifespan characteristics. The organic light-emitting device comprising the polycyclic compound according to the present invention can be industrially usefully used for various display devices as well as a lighting device, such as a flat-panel display device, a flexible display device, a monochromatic or white flat-panel lighting device, a monochrome or white flexible lighting device, a vehicle display device, or a virtual or augmented-reality display device.
    Type: Application
    Filed: October 25, 2021
    Publication date: December 21, 2023
    Inventors: Jun-young MOON, Sung-hoon JOO, Bong-ki SHIN, Byung-sun YANG, Ji-hwan KIM, Hyeon-jun JO, Sung-eun CHOI, Seong-eun WOO, Dong-myung PARK, Soo-kyung KANG
  • Publication number: 20230371376
    Abstract: The present invention relates to: a polycyclic compound that can be employed in various organic layers provided in an organic light-emitting device; and a high-efficiency and long-lifespan organic light-emitting device comprising same to have significantly improved luminous efficiency and lifespan characteristics. By using same, the present invention can be industrially and effectively used in lighting devices and various display devices, such as a flat-panel display apparatus, a flexible display apparatus, a monochrome or white flat-panel lighting apparatus, a monochrome or white flexible lighting apparatus, a vehicle display apparatus, and a virtual or augmented reality display apparatus.
    Type: Application
    Filed: October 19, 2021
    Publication date: November 16, 2023
    Inventors: Sung-hoon JOO, Bong-ki SHIN, Byung-sun YANG, Ji-hwan KIM, Hyeon-jun JO, Sung-eun CHOI, Seong-eun WOO, Dong-myung PARK, Jun-young MOON, Soo-kyung KANG
  • Publication number: 20230329109
    Abstract: The present invention relates to a polycyclic aromatic derivative compound and an organoelectroluminescent device comprising same. The present invention can implement a high-efficiency and long-lifetime organoelectroluminescent device with significantly improved luminous efficiency, and thus can be effectively used for industrial applications including flat display devices, flexible display devices, monochromatic or white flat lighting devices, and monochromatic or white flexible lighting devices.
    Type: Application
    Filed: September 8, 2021
    Publication date: October 12, 2023
    Inventors: Bong-ki SHIN, Sung-hoon JOO, Byung-sun YANG, Ji-hwan KIM, Hyeon-jun JO, Sung-eun CHOI
  • Publication number: 20230287010
    Abstract: A polycyclic aromatic derivative compound according to the present invention is employed in an organic layer in a device, thus being able to implement a high-efficiency organic light-emitting device, and thus can be industrially and effectively used in various display devices such as flexible displays, and illumination apparatuses such as monochromatic or white flat illumination and monochromatic or white flexible illumination.
    Type: Application
    Filed: January 25, 2021
    Publication date: September 14, 2023
    Applicant: SFC CO., LTD
    Inventors: Byung-sun YANG, Sung-hoon JOO, Bong-ki SHIN, Ji-hwan KIM, Hyeon-jun JO, Sung-eun CHOI
  • Publication number: 20230284515
    Abstract: The present invention relates to a polycyclic aromatic derivative compound that can be used in a variety of organic material layers in an organic light-emitting element, and an organic light-emitting element comprising the polycyclic aromatic derivative compound, the highly efficient and long-life organic light-emitting element having significantly improved light-emitting efficiency by employing the polycyclic aromatic compound as a dopant compound in a light-emitting layer, and an anthracene derivative having a particular structure as a host compound.
    Type: Application
    Filed: July 27, 2020
    Publication date: September 7, 2023
    Inventors: Sung-hoon JOO, Ji-hwan KIM, Byung-sun YANG, Hyeon-jun JO, Sung-eun CHOI, Bong-ki SHIN
  • Publication number: 20230189646
    Abstract: A polycyclic aromatic compound or a condensed multimer thereof, according to the present invention, is employed in an organic layer in an organoelectroluminescent device, thereby enabling the implementation of an organoelectroluminescent device having high efficiency and a long lifespan, and thus the present invention may be industrially useful in various display devices such as a flat panel display device, a flexible display device, a monochromatic or white flat panel lighting device, and a monochromatic or white flexible lighting device.
    Type: Application
    Filed: March 23, 2021
    Publication date: June 15, 2023
    Applicant: SFC CO., LTD
    Inventors: Bong-ki SHIN, Sung-hoon JOO, Byung-sun YANG, Ji-hwan KIM, Hyeon-jun JO, Sung-eun CHOI
  • Publication number: 20230137213
    Abstract: The present invention relates to a novel phenanthroline-based compound and an organic light-emitting device having high efficiency characteristics comprising same. More particularly, the present invention relates to a phenanthroline-based compound exhibiting high efficiency by including a phenanthroline-based compound having a specific structure as a material for a charge generation layer in an organic light-emitting device, and to an organic light-emitting device comprising same, wherein [Chemical Formula A] is the same as described in the detailed description of the invention.
    Type: Application
    Filed: March 11, 2021
    Publication date: May 4, 2023
    Inventors: Sung Hoon JOO, Bong-Ki SHIN, Byung-Sun YANG, Ji-Hwan KIM, Hyeon Jun JO, Sungeun CHOI
  • Publication number: 20230125146
    Abstract: The present invention relates to a polycyclic aromatic derivative compound and an organic light-emitting device having high efficiency and long lifespan, the device applying the compound in various organic layers so as to remarkably improve luminous efficiency. According to the invention, an organic light-emitting device having high efficiency and long lifespan and having remarkably improved luminous efficiency can be implemented, and thus can be industrially useful in various display devices and lighting devices.
    Type: Application
    Filed: January 21, 2021
    Publication date: April 27, 2023
    Applicant: SFC CO., LTD
    Inventors: Sung-hoon JOO, Bong-ki SHIN, Byung-sun YANG, Ji-hwan KIM, Hyeon-jun JO, Sung-eun CHOI
  • Publication number: 20230110346
    Abstract: The present invention relates to a polycyclic aromatic derivative compound that can be employed in an organic layer in a device, and an organoelectroluminescent device with high-efficiency and a long-life, including same and having remarkably improved luminous efficiency, and the device employing same can be efficiently utilized in a variety of displays and lighting devices, such as a flat panel display device, a flexible display device, a single color or white flat lighting device, and a single color or white flexible lighting device.
    Type: Application
    Filed: January 6, 2021
    Publication date: April 13, 2023
    Applicant: SFC CO., LTD
    Inventors: Bong-ki SHIN, Sung-hoon JOO, Byung-sun YANG, Ji-hwan KIM, Hyeon-jun JO, Sung-eun CHOI
  • Publication number: 20230068684
    Abstract: Disclosed is a polycyclic compound that can be employed in various organic layers of an organic electroluminescent device. Also disclosed is an organic electroluminescent device including the polycyclic compound. The organic electroluminescent device includes a light emitting layer employing the polycyclic compound as a dopant and an anthracene derivative having a characteristic structure and characteristic substituents as a host. The use of the polycyclic compound significantly improves the color purity, luminous efficiency, and life characteristics of the organic electroluminescent device and makes the organic electroluminescent device highly efficient and long lasting.
    Type: Application
    Filed: July 12, 2022
    Publication date: March 2, 2023
    Applicant: SFC CO., LTD
    Inventors: Sung-hoon JOO, Bong-ki SHIN, Ji-hwan KIM, Kyung-hwa PARK, Hyeon-jun JO, Seong-eun WOO, Sung-eun CHOI, Soo-kyung KANG
  • Publication number: 20230008756
    Abstract: The present invention relates to a novel polycyclic compound employed in an organic layer of an organoelectro luminescent device, wherein the organoelectro luminescent device employing the compound according to the present invention has remarkably improved luminous efficiency. According to the present invention, it is possible to implement a highly efficient organoelectro luminescent device that can be effectively applied to various display devices.
    Type: Application
    Filed: November 2, 2020
    Publication date: January 12, 2023
    Applicant: SFC CO., LTD
    Inventors: Bong-ki SHIN, Sung-hoon JOO, Byung-sun YANG, Ji-hwan KIM, Hyeon-jun JO, Sung-eun CHOI