Patents by Inventor Hyun-Jae Kim

Hyun-Jae 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).

  • Publication number: 20250138100
    Abstract: A battery cell classification system may include a charging voltage differential value measurement device configured to determine a charging voltage differential value of a battery cell before assembling a battery module, a uniformity factor extractor configured to extract a uniformity factor based on determining uniformity of the battery cell among determined charging voltage differential values, and a controller configured to compare a uniformity factor of the battery cell with a reference uniformity value, so as to reject the battery cell as a defective cell if it has the uniformity value smaller than the reference uniformity value, or to classify battery cell based on uniformity factor if it has the uniformity value at or above than the reference uniformity value.
    Type: Application
    Filed: February 22, 2024
    Publication date: May 1, 2025
    Inventors: Junhee Lee, Chun Yong Kang, Kimoon Um, Jang Wook Choi, Min Soo Kim, In Woo Kim, Hyun Jae Kim
  • Patent number: 12289378
    Abstract: Provided are a system and method for controlling a workflow across domains on the basis of a hierarchical engine framework. Inventive workflow control makes it possible to configure a flexible hierarchical engine framework and provide a workflow service with low latency. Also, the system and method make it possible to control a workflow by building an engine and a data pipeline across domains.
    Type: Grant
    Filed: June 16, 2021
    Date of Patent: April 29, 2025
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Tae Wan You, Yeon Hee Lee, Cheol Sig Pyo, Yong Geun Hong, Min Suk Kim, Woong Shik You, Seong Ik Cho, Hyun Joong Kang, Kwi Hoon Kim, Hyun Jae Kim, Ho Sung Lee, Jung Ha Hong
  • Patent number: 12210061
    Abstract: A deep learning-based MLCC stacked alignment inspection system includes an integrated defect detection unit configured to detect core areas requiring inspection of image data in which a stacked structure is photographed from a semiconductor MLCC chip by using at least one deep learning-based core area detection model, perform segmentation in the detected core areas, determine whether a defect exists according to a standard margin percentage range, and enable defect detection by generating normal and/or defective data based on the determination result, a result analysis unit configured to perform visualization for respective results of the core area detection, segmentation, and defect detection of the integrated defect detection unit, and provide stepwise analysis data for the visualized respective results so as to determine whether to modify corresponding data, and a data storage configured to store the normal and/or defective data, and stepwise analysis data.
    Type: Grant
    Filed: November 1, 2022
    Date of Patent: January 28, 2025
    Assignee: KOREA UNIVERSITY OF TECHNOLOGY AND EDUCATION INDUSTRY- UNIVERSITY COOPERATION FOUNDATION
    Inventors: Heung-Seon Oh, Sung Bin Son, Jun Uk Jung, Hyun Jae Kim
  • Publication number: 20240230432
    Abstract: The present exemplary embodiments propose a fiber-based strain sensor including: at least one first electric conductive line including a first flexible part having electric conductivity and at least one second electric conductive line which is woven to be in partially contact with the first electric conductive line, includes a second flexible part having electric conductivity, and is implemented to conduct electricity with the first flexible part having electric conductivity in a stretched state.
    Type: Application
    Filed: January 9, 2024
    Publication date: July 11, 2024
    Inventors: Hyun Jae KIM, Tae Yoon LEE, Won Kyung MIN, Chi Hyeong WON
  • Publication number: 20240170699
    Abstract: An embodiment antioxidant liquid for a fuel cell is provided. The antioxidant liquid is to be charged in a gas diffusion layer of a fuel cell stack, and the antioxidant liquid includes a solvent, an oxide as a first antioxidant dispersed in the solvent, and a salt as a second antioxidant dissolved in the solvent.
    Type: Application
    Filed: July 3, 2023
    Publication date: May 23, 2024
    Inventors: Seung Tak Noh, Jae Man Park, Hyun Jae Kim, Ji Hoon Sohn, Seon Yong Lee, Seung Hun Kang
  • Publication number: 20240119878
    Abstract: A resolution controller for a stretchable display includes a resolution-setting multiplexer module to receive a resolution selecting signal and to apply a gate in panel (GIP) selecting signal, in response to the resolution selecting signal, and a GIP module configured to generate a gate driving signal in response to the GIP selecting signal applied by the resolution-setting multiplexer module, and apply the gate driving signal to a pixel driving flexible printed circuit board (FPCB) of the stretchable display to drive an open pixel depending on a stretched state of the stretchable display.
    Type: Application
    Filed: September 26, 2023
    Publication date: April 11, 2024
    Applicant: UIF (University Industry Foundation), Yonsei University
    Inventors: Hyun Jae Kim, Jong Bin An, Won Kyung Min, Gwan In Kim, Moon Ho Lee, Seok Gyu Hong
  • Publication number: 20240103076
    Abstract: A deep learning-based MLCC stacked alignment inspection system includes an integrated defect detection unit configured to detect core areas requiring inspection of image data in which a stacked structure is photographed from a semiconductor MLCC chip by using at least one deep learning-based core area detection model, perform segmentation in the detected core areas, determine whether a defect exists according to a standard margin percentage range, and enable defect detection by generating normal and/or defective data based on the determination result, a result analysis unit configured to perform visualization for respective results of the core area detection, segmentation, and defect detection of the integrated defect detection unit, and provide stepwise analysis data for the visualized respective results so as to determine whether to modify corresponding data, and a data storage configured to store the normal and/or defective data, and stepwise analysis data.
    Type: Application
    Filed: November 1, 2022
    Publication date: March 28, 2024
    Inventors: Heung-Seon OH, Sung Bin SON, Jun Uk JUNG, Hyun Jae KIM
  • Publication number: 20240065073
    Abstract: A phototransistor includes a gate electrode, a semiconductor layer disposed on the gate electrode, a gate insulating layer disposed between the gate electrode and the semiconductor layer, a source electrode, a drain electrode, and a porous layer disposed on the source electrode, the semiconductor layer, and the drain electrode, where a plurality of holes is defined in the porous layer.
    Type: Application
    Filed: May 25, 2023
    Publication date: February 22, 2024
    Inventors: TAESANG KIM, Hyun Jae KIM, Hyukjoon YOO, JUN HYUNG LIM
  • Publication number: 20230386671
    Abstract: Provided is a computing device for generating an index value for comparing the body composition change performance between users having different body compositions. The computing device can comprise: a communication unit for acquiring body composition data of a user from a connected body composition measurement device or updating a body composition change amount of the user for a first period of time; a processor for calculating a second period of time required for a pre-selected user group in order to achieve the body composition change amount; and an output unit for generating an index value for comparing the body composition change performance between users having different body compositions by using the first period of time and the second period of time.
    Type: Application
    Filed: September 23, 2019
    Publication date: November 30, 2023
    Inventors: Hyun Jae Kim, Hyun Seok Kim, Dong Woo Kang
  • Publication number: 20230253505
    Abstract: Disclosed is a method for manufacturing an oxide thin film transistor including forming a gate electrode on a substrate, forming an oxide semiconductor thin film provided on the substrate to be insulated from the gate electrode by using a first mask, forming an electrode on the oxide semiconductor thin film by using the first mask, applying an oxidizer in one area of the electrode, and annealing the electrode, on which the oxidizer is applied.
    Type: Application
    Filed: February 8, 2023
    Publication date: August 10, 2023
    Applicant: UIF (University Industry Foundation), Yonsei University
    Inventors: Hyun Jae Kim, Jong Bin An, Sujin Jung, Kunho Moon, Jong Hyuk Ahn, I Sak Lee, Dong Hyun Choi
  • Patent number: 11721768
    Abstract: A transistor includes a gate electrode, an active layer facing the gate electrode, and a source electrode and a drain electrode connected to the active layer. The active layer includes a lower active layer including an oxide-based semiconductor material, and an upper active layer including the oxide-based semiconductor material and an oxygen-gettering material.
    Type: Grant
    Filed: June 16, 2021
    Date of Patent: August 8, 2023
    Assignees: SAMSUNG DISPLAY CO., LTD., INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY
    Inventors: Taesang Kim, Min Seong Kim, Hyun Jae Kim, Jun Hyung Lim
  • Patent number: 11690273
    Abstract: A photo transistor and a display device employing the photo transistor are provided. The photo transistor includes a gate electrode disposed on a substrate, a gate insulating layer that electrically insulates the gate electrode, a first active layer overlapping the gate electrode and including metal oxide, wherein the gate insulating layer is disposed between the gate electrode and the active layer, a second active layer disposed on the first active layer and including selenium, and a source electrode and a drain electrode respectively electrically connected to the second active layer.
    Type: Grant
    Filed: December 9, 2020
    Date of Patent: June 27, 2023
    Assignees: SAMSUNG DISPLAY CO., LTD., INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY
    Inventors: Tae Sang Kim, Hyun Jae Kim, Hyuk Joon Yoo, Jun Hyung Lim
  • Patent number: 11610523
    Abstract: Disclosed is a driving circuit of a stretchable display capable of being stretched, which includes a driving part that includes a driving transistor connected with a light-emitting element and drives the light-emitting element depending on a signal of a data line, a switching transistor that is connected between the driving part and the data line and includes a gate terminal connected with a first gate line, and a stretch-sensitive sensor that is connected with the switching transistor between the driving part and the data line, and the stretch-sensitive sensor may include a stretch-sensitive material whose resistance characteristic changes depending on a stretching force applied to the stretchable display.
    Type: Grant
    Filed: June 2, 2022
    Date of Patent: March 21, 2023
    Assignee: UIF (University Industry Foundation), Yonsei University
    Inventors: Hyun Jae Kim, Hyung Tae Kim, Hee Jun Kim, Dongwoo Kim, Won Kyung Min, Dong Hyun Choi, Sujin Jung, Jong Bin An
  • Patent number: 11532254
    Abstract: An apparatus for driving a stretchable display includes a first pixel driving signal generating module to generate a first pixel driving signal including data to be displayed on a stretchable display, a first pixel driving circuit to receive the first pixel driving signal to drive a first pixel, a second pixel driving circuit to drive a second pixel, wherein the driving of the second pixel is determined depending on whether the stretchable display is stretched, and a second pixel driving signal generating module to receive the first pixel driving signal and a power signal and to generate a second pixel driving signal to be applied to the second pixel driving circuit by using one of the first pixel driving signal and the power signal, based on a stretching state signal generated depending on whether the stretchable display is stretched.
    Type: Grant
    Filed: January 6, 2022
    Date of Patent: December 20, 2022
    Assignee: UIF (University Industry Foundation), Yonsei University
    Inventors: Hyun Jae Kim, Dongwoo Kim, Won Kyung Min, Jusung Chung, Jin Hyeok Lee, Dong Hyun Choi, Min Seong Kim, Gwan In Kim
  • Publication number: 20220392381
    Abstract: Disclosed is a driving circuit of a stretchable display capable of being stretched, which includes a driving part that includes a driving transistor connected with a light-emitting element and drives the light-emitting element depending on a signal of a data line, a switching transistor that is connected between the driving part and the data line and includes a gate terminal connected with a first gate line, and a stretch-sensitive sensor that is connected with the switching transistor between the driving part and the data line, and the stretch-sensitive sensor may include a stretch-sensitive material whose resistance characteristic changes depending on a stretching force applied to the stretchable display.
    Type: Application
    Filed: June 2, 2022
    Publication date: December 8, 2022
    Applicant: UIF (University Industry Foundation), Yonsei University
    Inventors: Hyun Jae Kim, Hyung Tae Kim, Hee Jun Kim, Dongwoo Kim, Won Kyung Min, Dong Hyun Choi, Sujin Jung, Jong Bin An
  • Publication number: 20220255028
    Abstract: The present exemplary embodiments provide a sensor of monitoring a biosignal in a low power mode or a high precision mode by interacting a plurality of photo transistors implemented by light absorption layers having different organic orientations by a solution process and a manufacturing method thereof.
    Type: Application
    Filed: March 30, 2022
    Publication date: August 11, 2022
    Inventors: Hyun Jae KIM, Byung Ha KANG, Jin Hyeok LEE, Kyung Ho PARK, Hyung Tae KIM
  • Publication number: 20220231104
    Abstract: A stretchable display device capable of correcting resolution depending on a stretching degree is disclosed. The stretchable display device includes a stretchable substrate, first light emitting pixels including first light emitting elements arranged spaced apart from each other on the stretchable substrate, deformation switch parts arranged between the first light emitting pixels on the stretchable substrate and stretched and deformed according to stretch of the stretchable substrate, and second light emitting pixels including second light emitting elements arranged between the first light emitting pixels on the stretchable substrate. The second light emitting pixels are controlled to emit light depending on physical deformation of the deformation switch parts.
    Type: Application
    Filed: January 6, 2022
    Publication date: July 21, 2022
    Applicant: UIF (University Industry Foundation), Yonsei University
    Inventors: Hyun Jae KIM, Min Seong KIM, Dongwoo KIM, Won Kyung MIN, Dong Hyun CHOI, Gwan In KIM
  • Patent number: 11393935
    Abstract: The present disclosure provides a phototransistor and a manufacturing method therefor, the phototransistor having a defective oxide ray absorption layer introduced to an oxide semiconductor phototransistor through a solution process or a defective oxide ray absorption part introduced to an interface between a gate insulation film and an oxide semiconductor layer through interface control, which forms damage, thereby improving light absorption in the range of a visible light region.
    Type: Grant
    Filed: June 14, 2018
    Date of Patent: July 19, 2022
    Assignees: LG DISPLAY CO., LTD., UIF (UNIVERSITY INDUSTRY FOUNDATION) YONSEI UNIVERSITY
    Inventors: Hyun Jae Kim, Young Jun Tak, Jusung Chung, Jeong Min Moon, Su Seok Choi, Sungpil Ryu, Jihwan Jung, Kiseok Chang
  • Publication number: 20220223079
    Abstract: An apparatus for driving a stretchable display includes a first pixel driving signal generating module to generate a first pixel driving signal including data to be displayed on a stretchable display, a first pixel driving circuit to receive the first pixel driving signal to drive a first pixel, a second pixel driving circuit to drive a second pixel, wherein the driving of the second pixel is determined depending on whether the stretchable display is stretched, and a second pixel driving signal generating module to receive the first pixel driving signal and a power signal and to generate a second pixel driving signal to be applied to the second pixel driving circuit by using one of the first pixel driving signal and the power signal, based on a stretching state signal generated depending on whether the stretchable display is stretched.
    Type: Application
    Filed: January 6, 2022
    Publication date: July 14, 2022
    Applicant: UIF (University Industry Foundation), Yonsei University
    Inventors: Hyun Jae KIM, Dongwoo KIM, Won Kyung MIN, Jusung CHUNG, Jin Hyeok LEE, Dong Hyun CHOI, Min Seong KIM, Gwan In KIM
  • Publication number: 20220029021
    Abstract: A transistor includes a gate electrode, an active layer facing the gate electrode, and a source electrode and a drain electrode connected to the active layer. The active layer includes a lower active layer including an oxide-based semiconductor material, and an upper active layer including the oxide-based semiconductor material and an oxygen-gettering material.
    Type: Application
    Filed: June 16, 2021
    Publication date: January 27, 2022
    Inventors: TAESANG KIM, MIN SEONG KIM, HYUN JAE KIM, JUN HYUNG LIM