Patents by Inventor Tae Choi

Tae Choi 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: 12291543
    Abstract: The present disclosure relates to a boron compound useful in an organic light-emitting diode and an organic light-emitting diode comprising same and, more particularly, to a boron compound represented by any one of [Chemical Formula A] to [Chemical Formula C], wherein [Chemical Formula A] to [Chemical Formula C] are as defined in the description.
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: May 6, 2025
    Assignee: SFC CO., LTD.
    Inventors: Se-Jin Lee, Bong-Hyang Lee, Taejung Yu, Yeong-Tae Choi, Kyung-Tae 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: 20250081977
    Abstract: A method for manufacturing steamed sweet potatoes, includes: a first step of preparing a sweet potato, a second step of peeling the washed sweet potato, a third step of forming the peeled sweet potato into a cube shape, a fourth step of drying the formed sweet potato at a temperature of 15 to 25° C., and a fifth step of putting the dried sweet potato in a retort and heating it, wherein, one of the sweet potato varieties Sodammi, Beniharuka, or Hofungmi is selected for this method.
    Type: Application
    Filed: July 5, 2024
    Publication date: March 13, 2025
    Applicant: Hadong Yullim Farming Association Corporation
    Inventor: Kyeong Tae CHOI
  • 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
  • Patent number: 12223901
    Abstract: A pixel of a display device may pre-charge a light emitting element in non-emission periods immediately before emission periods by varying a voltage level of an initialization voltage. As a result, a luminance non-uniformity phenomenon that may occur as the result of a deterioration deviation of the light emitting element may be removed or reduced.
    Type: Grant
    Filed: April 17, 2023
    Date of Patent: February 11, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dae Youn Cho, Jong Woo Park, Jun Seok Oh, Yoon Suk Choi, Young Tae Choi
  • Publication number: 20250024698
    Abstract: An object of the present invention is to provide a material for organic EL elements, the material being excellent in hole injecting/transporting performance, electron-blocking capability, stability in the form of a thin film, and durability. Another object of the present invention is to provide an organic EL element having high efficiency, a low driving voltage, and a long lifespan, by combining the aforementioned material with various materials for organic EL elements, the materials being excellent in hole/electron injecting/transporting performance, electron-blocking capability, stability in the form of a thin film, and durability, such that the properties of the individual materials can be effectively exhibited.
    Type: Application
    Filed: August 1, 2022
    Publication date: January 16, 2025
    Applicants: HODOGAYA CHEMICAL CO., LTD., SFC CO., LTD.
    Inventors: Junichi IZUMIDA, Sang-Won KO, Bong-Hyang LEE, Jung-Ho RYU, Jin-ho LEE, Kouki KASE, Shuichi HAYASHI, Se-Jin LEE, Tae-Jung YU, Young-Tae CHOI, Sung-Hoon JOO, Byung-Sun YANG, Ji-Hwan KIM, Bong-Ki SHIN
  • 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: 12167698
    Abstract: The present invention relates to compositions obtained by mixing specific electroactive fluoro-terpolymers and specific electroactive fluorinated copolymers. The invention also concerns liquid formulations (inks) that can be used through conventional processing technologies for printed electronics and microelectronics in a safe environment, based on these compositions. Another aspect of this invention are the films manufactured using these formulations, and the devices comprising at least one layer of these films.
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: December 10, 2024
    Assignee: ARKEMA FRANCE
    Inventors: Fabrice Domingues Dos Santos, Seung Tae Choi, Hung Viet Tran
  • Patent number: 12162671
    Abstract: The present disclosure relates to an apparatus for accommodating copper foil. The apparatus includes an accommodation body having an accommodation space which accommodates copper foil wound on a core, a support portion coupled to the accommodation body and configured to support both ends of the core, and an elastic member disposed between the support portion and the core and configured to support the core. Here, the elastic member includes a body portion, a plurality of first protrusions arranged on a top surface of the body portion and extending in a longitudinal direction of the core, and a plurality of second protrusions arranged on a bottom surface of the body portion and extending in a direction perpendicular to the extending direction of the plurality of first protrusions. Accordingly, vibrations may be buffered in a frequency band of vibrations occurring in a transportation process.
    Type: Grant
    Filed: June 29, 2021
    Date of Patent: December 10, 2024
    Assignee: SK NEXILIS CO., LTD.
    Inventors: In Soo Jung, Yeon Tae Choi, Seung Min Kim, Young Gyu Yang
  • 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: 20240304941
    Abstract: A battery module has an improved structure to control the discharge of a flame generated in the battery module. A battery pack and a vehicle can include the battery module. The battery module includes a cell assembly having a plurality of battery cells stacked side by side and having a taping member partially attached to at least a top sealing portion; a module terminal electrically connected to the cell assembly; and a module case configured to have an outer side at which the module terminal is installed, accommodate the cell assembly in an inner space thereof, and have a top hole communicating with the inner space and formed at an upper side thereof. At the top of the cell assembly, at least a part of an unattached region of the taping member is located in a portion where the top hole is formed.
    Type: Application
    Filed: May 15, 2024
    Publication date: September 12, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Yoon-Oh KO, Sang-Min BAEK, Seung-Su CHO, Jong-Tae CHOI, Jin-Ju PARK, Sang-Yoon JEONG
  • Publication number: 20240279196
    Abstract: Disclosed is an organic compound represented by any one of Chemical Formulas A to E and an organic light-emitting diode including the same. Chemical Formulas A to E are as described in the specification.
    Type: Application
    Filed: April 1, 2024
    Publication date: August 22, 2024
    Inventors: Yeong-Tae CHOI, Se-Jin LEE, Seok-Bae PARK, Taejung YU, Byung-Sun YANG, Dajung LEE
  • Publication number: 20240274131
    Abstract: An example electronic device includes a housing; a touchscreen display; a microphone; at least one speaker; a button disposed on a portion of the housing or set to be displayed on the touchscreen display; a wireless communication circuit; a processor; and a memory. When a user interface is not displayed on the touchscreen display, the electronic device enables a user to receive a user input through the button, receives user speech through the microphone, and then provides data on the user speech to an external server. An instruction for performing a task is received from the server. When the user interface is displayed on the touchscreen display, the electronic device enables the user to receive the user input through the button, receives user speech through the microphone, and then provides data on the user speech to the external server.
    Type: Application
    Filed: April 8, 2024
    Publication date: August 15, 2024
    Inventors: Sang-Ki KANG, Jang-Seok SEO, Kook-Tae CHOI, Hyun-Woo KANG, Jin-Yeol KIM, Chae-Hwan LI, Kyung-Tae KIM, Dong-Ho JANG, Min-Kyung HWANG
  • 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
  • Patent number: 12046199
    Abstract: A pixel including: a light emitting element; a first transistor connected between a first node and a second node, and to generate a driving current to flow from a first power line to a second power line through the light emitting element; a second transistor connected between a data line and the first node; a third transistor connected between the second node and a third node corresponding to a gate electrode of the first transistor; a fourth transistor connected between the third node and a third power line; a fifth transistor connected between the first power line and the first node; a sixth transistor connected between the second node and a fourth node corresponding to a first electrode of the light emitting element; a seventh transistor connected between the fourth node and a fourth power line; and an eighth transistor connected between the fourth node and a fifth power line.
    Type: Grant
    Filed: December 15, 2022
    Date of Patent: July 23, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dae Youn Cho, Jong Woo Park, Sang Kil Kim, Ji Ho Moon, Young Tae Choi
  • Publication number: 20240227596
    Abstract: An apparatus for holding a cable for an electric vehicle charger includes a cable holding unit configured to restrict a charging cable extended and connected to a charging coupler, and to ascend or descend to predetermined positions, a housing unit mounted in a manner that is rotatable along a leftward-rightward direction, the cable holding unit being accommodated inside the housing unit, a driving unit configured to provide drive power for enabling the cable holding unit to ascend and descend and drive power for rotating the housing unit, and a control unit configured to control the driving unit in such a manner that the cabling holding unit and the housing unit are selectively driven when the charging coupler is removed from an electric vehicle charger or rests thereon.
    Type: Application
    Filed: February 6, 2023
    Publication date: July 11, 2024
    Inventors: Woo Hyung Lee, Su Hwan Cho, Young Tae Choi, Kwang Min Oh, Ho Choi
  • Patent number: 12030900
    Abstract: The present disclosure relates to a boron compound useful in an organic light-emitting diode and an organic light-emitting diode comprising same and, more particularly, to a boron compound represented by [Chemical Formula A] or [Chemical Formula B], wherein [Chemical Formula A] and [Chemical Formula B] are as defined in the description.
    Type: Grant
    Filed: November 19, 2019
    Date of Patent: July 9, 2024
    Assignee: SFC CO., LTD.
    Inventors: Se-Jin Lee, Bong-Hyang Lee, Taejung Yu, Yeong-Tae Choi, Kyung-Tae Kim
  • Patent number: 12018039
    Abstract: The present disclosure relates to a boron compound useful in an organic light-emitting diode and an organic light-emitting diode comprising same and, more particularly, to a boron compound represented by [Chemical Formula A], wherein [Chemical Formula A] and [Chemical Formula C] are as defined in the description.
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: June 25, 2024
    Assignee: SFC CO., LTD.
    Inventors: Se-Jin Lee, Bong-Hyang Lee, Taejung Yu, Yeong-Tae Choi, Kyung-Tae Kim