Patents by Inventor Hee-Dae Kim

Hee-Dae 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: 12690387
    Abstract: Provided are an anthracene compound represented by Chemical Formula A and an organic light-emitting diode comprising the same. The anthracene compound includes at least one deuterium atom and is useful as a host material in a light-emitting laver, thereby enabling an organic light-emitting diode exhibiting improved device characteristics including low driving voltage and high luminous efficiency.
    Type: Grant
    Filed: April 8, 2021
    Date of Patent: July 21, 2026
    Assignee: SFC CO., LTD.
    Inventors: Hee-dae Kim, Seok-bae Park, Dong Myung Park, Seongeun Woo, Soo Kyung Kang
  • Patent number: 12552984
    Abstract: Disclosed is an organic electroluminescent device that employs a compound represented by Formula A-1 or A-2: and a compound represented by Formula B: The organic electroluminescent device has excellent luminescent properties such as high color purity and long lifetime.
    Type: Grant
    Filed: June 3, 2020
    Date of Patent: February 17, 2026
    Assignee: SFC CO., LTD.
    Inventors: Seok-bae Park, Yu-rim Lee, Hee-dae Kim, Seoungeun Woo, Dong Myung Park
  • 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
  • Publication number: 20250368706
    Abstract: A synapse surgical tool for selectively removing or ablating a postsynaptic terminal from a neuron, the method comprising: delivering an expression vector comprising a nucleic acid encoding a fusion protein comprising an N-terminal domain comprising an activated glial receptor binding domain; and a C terminal domain comprising a transmembrane domain of postsynaptic protein; expressing the fusion protein so that the activated glial receptor binding domain is localized to a synaptic cleft of the postsynaptic terminal of the neuron; and contacting the neuron with an activated microglial cell so that the activated microglial binds to the activated glial receptor binding domain and selectively ablates the postsynaptic terminal of the neuron.
    Type: Application
    Filed: April 27, 2023
    Publication date: December 4, 2025
    Inventors: Deveroux Ferguson, Hee-Dae 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: 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: 20250063943
    Abstract: The present invention relates to an organic light-emitting device comprising, in a light-emitting layer thereof: a compound represented by [chemical formula A]; and a compound represented by any one of [chemical formula D-6] and [chemical formula D-7], wherein [chemical formula A], [chemical formula D-6], and [chemical formula D-7] are as described in the detailed description of the invention.
    Type: Application
    Filed: November 14, 2022
    Publication date: February 20, 2025
    Inventors: Seok-Bae PARK, Se-Jin LEE, Si-In KIM, Hee-Dae KIM, Yeong-Tae CHOI, Yu-Rim LEE, Ji-Yung KIM, Seung-Soo LEE, Kyungtae KIM, Myeong-Jun KIM, Kyeong-Hyeon 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: 20240431133
    Abstract: The present invention relates to an organic light-emitting device in which a light-emitting layer included in the organic light-emitting device comprises: a compound represented by [chemical formula A]; and a compound represented by any one of [chemical formula D-1] to [chemical formula D-7], wherein [chemical formula A] and [chemical formula D-1] to [chemical formula D-7] are as set forth in the detailed description of the invention.
    Type: Application
    Filed: November 15, 2022
    Publication date: December 26, 2024
    Inventors: Seok-Bae PARK, Se-Jin LEE, Si-In KIM, Hee-Dae KIM, Yeong-Tae CHOI, Yu-Rim LEE, Ji-Yung KIM, Seung-Soo LEE, Kyungtae KIM, Myeong-Jun KIM, Kyeong-Hyeon KIM
  • Patent number: 12114562
    Abstract: Disclosed herein are an anthracene derivative represented by [Chemical Formula A] and an organic light-emitting diode comprising same. In [Chemical Formula A], the substituents R1 to R5, R, R11 to R18, L1, and n are as defined in the description.
    Type: Grant
    Filed: January 14, 2020
    Date of Patent: October 8, 2024
    Assignee: SFC CO., LTD.
    Inventors: Soon-Wook Cha, Yoona Shin, Jung-Ho Yoo, Sung Woo Kim, Jiwon Lee, Seok-Bae Park, Hee-Dae Kim, Yu-Rim Lee, Dong Myung Park, Seongeun Woo
  • 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