Patents by Inventor Keun Yoo

Keun Yoo 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).

  • Publication number: 20250145602
    Abstract: An organic compound, and an organic light emitting diode and an organic light emitting device including the same are disclosed. For example, an organic compound is represented by the following chemical formula. The organic light emitting diode and the organic light emitting device each includes the organic compound.
    Type: Application
    Filed: October 18, 2024
    Publication date: May 8, 2025
    Inventors: Min-Surk Hyung, Seon-Keun Yoo, Shin-Han Kim, Sang-Beom Kim
  • Publication number: 20250118750
    Abstract: A negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same, the negative electrode including a current collector; and a negative electrode active material layer located on the current collector and including a negative electrode active material. The negative electrode active material includes a silicon-based composite, the silicon-based composite is a composite of a silicon-based active material, a phenoxy resin, and carbon nanotubes, and a weight ratio of the silicon-based active material and the carbon nanotubes ranges from about 1:0.0013 to about 1:0.01.
    Type: Application
    Filed: October 3, 2024
    Publication date: April 10, 2025
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Jong Heon SEOL, Seong Ho JEON, Tae Hyun HWANG, Ho KIM, Jung Hyun NAM, Min Jae KIM, Jung Keun YOO, Ji Hee YOON
  • Publication number: 20240426950
    Abstract: The present disclosure relates to a vapor cell and a vapor cell temperature control system, and more specifically, to a vapor cell and a vapor cell temperature control system which use a laser to control the temperature of the vapor cell without distortion of an electromagnetic field. The vapor cell according to an embodiment of the present disclosure may include a body provided with a penetration part, which is a space in which a reactive material is accommodated, and a black material provided on a part of an outer surface of the body. According to an embodiment of the present disclosure, there is an advantage in that the intensity and phase of electromagnetic waves in the micromagnetic field and millimeter wave band can be measured by minimizing distortion and removing noise caused by a temperature control device when measuring electromagnetic fields using an atomic system.
    Type: Application
    Filed: November 8, 2021
    Publication date: December 26, 2024
    Inventors: In Ho BAE, Seong Chong PARK, Jae Keun YOO, Seon Do LIM, Young Pyo HONG, No Weon KANG
  • Publication number: 20240379933
    Abstract: A method for manufacturing a dry electrode for a secondary battery, includes the steps of: mixing active materials and binders to make a mixture and putting the mixture to a screw mixer; rotating the screw mixer to move the mixture forward and allowing the mixture to be primarily heated and melted; rotating the screw mixer to move the heated and melted mixture forward and allowing the mixture to be agitated; rotating the screw mixer to move the agitated mixture forward and allowing the mixture to be secondarily heated and agitated; rotating the screw mixer to pressurize the secondarily heated and agitated mixture forward and allowing the mixture to move to the end of a nozzle; allowing the mixture discharged to the form of a film through the nozzle to be compressed through rollers; and attaching the film to a metal foil to manufacture the dry electrode.
    Type: Application
    Filed: November 8, 2022
    Publication date: November 14, 2024
    Applicant: YUNSUNG F&C CO., LTD
    Inventors: Han Sung KIM, Wook Ryol HWANG, Jung Keun YOO, Ji Hee YOON, Jin Woo YI, Young Seok OH, Moon Kwang UM
  • Publication number: 20240370065
    Abstract: An electronic device is provided. The electronic device includes two housing structures, a hinge structure, and a flexible display, the hinge structure includes a first saw-toothed spur gear, a second saw-toothed spur gear, a third saw-toothed spur gear, a fourth saw-toothed spur gear, a first guide structure fixed to the first housing structure and rotated by the gears, and a second guide structure fixed to the second housing structure and rotated in an opposite direction of the first guide structure, the first guide structure is rotated about a first axis formed from a bottom surface of the flexible display upwards, and the second guide structure is rotated about a second axis that is spaced apart from the first axis and is formed from the bottom surface of the flexible display.
    Type: Application
    Filed: July 17, 2024
    Publication date: November 7, 2024
    Inventors: Jong Yoon KIM, Jung Jin KIM, Young Sun PARK, Chung Keun YOO
  • Publication number: 20240346656
    Abstract: Disclosed is an electronic device for predicting sarcopenia, which includes a memory and a processor connected with the memory to execute instructions included in the memory. The processor extracts a first result value as output data for a first machine learning model by using an eye image of a subject as input data for the first machine learning model and determines whether sarcopenia of the subject occurs based on the first result value. The first result value includes an MRD1 value of the subject corresponding to the eye image, an upper eyelid edge location change value, an eye closing speed value, and an eye opening speed value.
    Type: Application
    Filed: April 26, 2023
    Publication date: October 17, 2024
    Inventors: Ik Hee RYU, Jin Kuk KIM, Tae Keun YOO, Eok Soo HAN
  • Patent number: 12111532
    Abstract: The present invention relates to an optical body and a display device including the same, and more specifically, the present invention relates to an optical body, which can minimize optical loss thereof and maximize luminance enhancement thereof, and a display device including the same.
    Type: Grant
    Filed: November 12, 2019
    Date of Patent: October 8, 2024
    Assignee: Toray Advanced Materials Korea Inc.
    Inventors: Seung Jin Ko, Bae Keun Yoo, Jong Dae Sung
  • Publication number: 20240315775
    Abstract: A method of predicting the anterior chamber angle of the eye of a surgical candidate for lens implantation according to an embodiment of the present invention includes obtaining input data including a lens size, obtaining a predicted postoperative anterior chamber angle based on a learning model using the input data. The learning model may be trained based on the lens size and the measured postoperative anterior chamber angle of a plurality of patients who have undergone the lens implantation in the past.
    Type: Application
    Filed: April 26, 2023
    Publication date: September 26, 2024
    Inventors: Ik Hee RYU, Jin Kuk KIM, Tae Keun YOO
  • Patent number: 12089495
    Abstract: The present disclosure relates to an organic compound including a substituted or non-substituted phenanthroline moiety and a substituted or non-substituted anthracene moiety and being partially deuterated and an organic light emitting diode includes the organic compound. The organic compound has improved electron transporting property and/or the charge generation property. According, the emitting efficiency and the lifespan of the OLED and the organic light emitting display device including the organic compound in the ETL and/or the CGL are improved.
    Type: Grant
    Filed: August 31, 2020
    Date of Patent: September 10, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Seon Keun Yoo, Ji Cheol Shin, Jeong Dae Seo
  • Publication number: 20240277296
    Abstract: An electronic device for predicting myopia regression, which includes a memory and a processor connected with the memory to execute instructions included in the memory. The processor collects first target data of a subject and second target data of the subject, extracts a first result value as output data for a first machine learning model by using the first target data as input data for the first machine learning model, and determines whether there is a possibility of myopia regression of the subject based on the first result value.
    Type: Application
    Filed: April 3, 2023
    Publication date: August 22, 2024
    Inventors: Ik Hee RYU, Jin Kuk KIM, Tae Keun YOO
  • Publication number: 20240282410
    Abstract: The present disclosure relates generally to methods, devices, and systems for accurately predicting the efficacy of immune checkpoint blockade therapy across multiple cancer types.
    Type: Application
    Filed: June 17, 2022
    Publication date: August 22, 2024
    Inventors: Luc Morris, Timothy Chan, Diego Chowell, Cristina Valero, Nils Weinhold, Seong-Keun Yoo
  • Publication number: 20240275559
    Abstract: Disclosed herein are a method for operating a relation server and a system using the method. The method for operating the relation server for managing relations between machines includes generating, by the relation server, a capability set required to execute a command by analyzing the command, and grouping, by the relation server, machines that are to execute the command, among the machines, based on the generated capability set, and capability parameters and status parameters of respective machines that have been previously registered in the relation server or that are extractable by the relation server.
    Type: Application
    Filed: April 18, 2024
    Publication date: August 15, 2024
    Inventors: Young-Sic JEONG, Sang-Keun YOO, Yong-Woon KIM
  • Publication number: 20240251673
    Abstract: Embodiments of the disclosure relate to an organic light emitting element and a display device. Specifically, there may be provided an organic light emitting element including a first compound represented by chemical formula 1 and a second compound represented by chemical formula 2 to provide excellent efficiency, long lifespan or low driving voltage and a display device including the organic light emitting element.
    Type: Application
    Filed: December 29, 2023
    Publication date: July 25, 2024
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Ji Cheol SHIN, Seon Keun YOO, Su Bin AHN
  • Publication number: 20240246996
    Abstract: The present disclosure relates to an organic compound and an organic light emitting diode and an organic light emitting device each including the same, and more specifically, relates to an emitting compound of following and an organic light emitting diode and an organic light emitting device each including the organometallic compound.
    Type: Application
    Filed: October 3, 2023
    Publication date: July 25, 2024
    Inventors: Seon-Keun YOO, Young-Jun YU, Seong-Su JEON, Sang-Beom KIM, Gi-Baek LEE, Dae-Hyuk CHOI, Dong-Jun KIM, Jun-Tae MO
  • Publication number: 20240246997
    Abstract: The present disclosure relates to an organic compound and an organic light emitting diode and an organic light emitting device each including the same, and more specifically, relates to an emitting compound of following and an organic light emitting diode and an organic light emitting device each including the organometallic compound.
    Type: Application
    Filed: October 16, 2023
    Publication date: July 25, 2024
    Inventors: Seon-Keun YOO, Young-Jun Yu, Seong-Su Jeon, Sang-Beom Kim, Gi-Baek Lee, Dae-Hyuk Choi, Dong-Jun Kim, Jun-Tae Mo
  • Publication number: 20240246953
    Abstract: The present disclosure relates to an organic compound including at least one fused hetero aromatic moiety with at least one nitrogen atom linked to a triazine moiety directly or through a linking group and a benzothiazole moiety linked to the triazine moiety, and substituted with at least one of deuterium and a deuterium-substituted group, an organic light emitting diode and an organic light emitting device having the organic compound. The organic light emitting diode and the organic light emitting device where an emissive layer includes the organic compound have beneficial luminous efficiency and luminous lifespan.
    Type: Application
    Filed: October 3, 2023
    Publication date: July 25, 2024
    Applicants: LG DISPLAY CO., LTD., LT Materials Co.,Ltd
    Inventors: Sang-Beom KIM, Seon-Keun YOO, Young-Jun YU, Woo-Sam KIM, Hyung-Keun JANG, Dae-Hyuk CHOI, Dong-Jun KIM, Young-Seok NO, Hyun-Joo LEE, Geon-Yu PARK, Sang-Hun AHN
  • Patent number: 12045097
    Abstract: An electronic device is provided. The electronic device includes two housing structures, a hinge structure, and a flexible display, the hinge structure includes a first saw-toothed spur gear, a second saw-toothed spur gear, a third saw-toothed spur gear, a fourth saw-toothed spur gear, a first guide structure fixed to the first housing structure and rotated by the gears, and a second guide structure fixed to the second housing structure and rotated in an opposite direction of the first guide structure, the first guide structure is rotated about a first axis formed from a bottom surface of the flexible display upwards, and the second guide structure is rotated about a second axis that is spaced apart from the first axis and is formed from the bottom surface of the flexible display.
    Type: Grant
    Filed: July 25, 2023
    Date of Patent: July 23, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong Yoon Kim, Jung Jin Kim, Young Sun Park, Chung Keun Yoo
  • Publication number: 20240244971
    Abstract: The present disclosure relates to an organic light emitting diode including a first electrode; a second electrode facing the first electrode; and a first emitting part including a first blue emitting layer, a second blue emitting layer, an electron transporting layer and positioned between the first and second electrode, wherein the first blue emitting layer includes a first host and a first dopant, and the second blue emitting layer includes a second host and a second dopant, wherein the first host is an anthracene derivative having a first deuteration ratio, and the second host is an anthracene derivative having a second deuteration ratio smaller than the first deuteration ratio, wherein the first dopant is a first compound represented by Formula 3, and wherein the first electron transporting layer includes an electron transporting material represented by Formula 9.
    Type: Application
    Filed: September 18, 2023
    Publication date: July 18, 2024
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Sang-Beom KIM, Young-Jun YU, Seon-Keun YOO, Dae-Wi YOON, Su-Na CHOI, Seong-Su JEON, Ji-Yun KIM, Yong-Hwan KIM, Jin-Hwan PARK
  • Publication number: 20240244970
    Abstract: The present invention relates to an organic light emitting diode including first and second electrodes facing each other; and a first emitting part including a first blue emitting layer, a second blue emitting layer, an electron transporting layer and positioned between the first and second electrode, wherein the first blue emitting layer includes a first host and a first dopant, and the second blue emitting layer includes a second host and a second dopant, wherein the first host is an anthracene derivative having a first deuteration ratio, and the second host is an anthracene derivative having a second deuteration ratio smaller than the first deuteration ratio, wherein the first dopant is a first compound represented by Formula 3, and wherein the first electron transporting layer includes at least one of a first electron transporting material represented by Formula 9 and a second electron transporting material represented by Formula 10.
    Type: Application
    Filed: September 18, 2023
    Publication date: July 18, 2024
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Sang-Beom KIM, Young-Jun YU, Seon-Keun YOO, Dae-Wi YOON, Su-Na CHOI, Seong-Su JEON, Ji-Yun KIM, Yong-Hwan KIM, Jin-Hwan PARK
  • Publication number: 20240237530
    Abstract: An organic light emitting diode including a first electrode; a second electrode facing the first electrode; and a first emitting part including a first blue emitting layer and a second blue emitting layer and positioned between the first and second electrode, the second blue emitting layer positioned between the first blue emitting layer and the second electrode and contacting the first blue emitting layer, wherein the first blue emitting layer includes a first host and a first dopant, and the second blue emitting layer includes a second host and a second dopant, wherein the first host is an anthracene derivative having a first deuteration ratio, and the second host is an anthracene derivative having a second deuteration ratio smaller than the first deuteration ratio, wherein the first dopant is a first compound represented by Formula 3, and the second dopant is a second compound represented by Formula 7.
    Type: Application
    Filed: September 18, 2023
    Publication date: July 11, 2024
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Sang-Beom KIM, Young-Jun YU, Seon-Keun YOO, Dae-Wi YOON, Su-Na CHOI, Seong-Su JEON, Yong-Hwan KIM, Jin-Hwan PARK, Jin-Yun KIM