Patents by Inventor Duck Kim

Duck 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: 20250074889
    Abstract: A compound represented by Chemical Formula 1 or 2 of the present invention, or a pharmaceutically acceptable salt thereof can be used favorably for preventing or treating cancer or tumors.
    Type: Application
    Filed: January 13, 2023
    Publication date: March 6, 2025
    Inventors: Youngku Kang, Inyoung Lee, Bora Yoo, Ji Duck Kim, Youngwoo Choi, Sujin Ha, Ahreum Kwon, Joon Seok Park
  • Publication number: 20250072073
    Abstract: Disclosed is an apparatus for adjusting spacing between Moiré superlattices of two-dimensional (2-D) materials. A heterostructure 2-D material includes a first insulator, a first 2-D material having one surface coming into contact with the first insulator, a second 2-D material having one surface coming into contact with the first 2-D material and forming a van der Waals layered bond, a second insulator having one surface coming into contact with the second 2-D material, and an electrode configured to come into contact with the other surface of the second insulator and rotated by electrostatic attraction from the outside.
    Type: Application
    Filed: August 13, 2024
    Publication date: February 27, 2025
    Applicant: University-Industry Cooperation Group of Kyung Hee University
    Inventors: Young Duck KIM, Kwang Hee HAN
  • Publication number: 20250065074
    Abstract: The present invention relates to a biorhythm improvement method and system, and the method according to the present invention comprises the steps of: receiving a user biorhythm parameter; generating a user behavior guide on the basis of the user biorhythm parameter; displaying the user behavior guide on the screen of a user terminal; acquiring user behavior performance results for each user behavior item included in the user behavior guide; acquiring user sleep information; and analyzing the user behavior performance results and the user sleep information acquired during a predetermined period so as to calculate a sleep disorder correlation for each of the user behavior items. According to the present invention, a user biorhythm can be improved, and sleep disorders can be alleviated.
    Type: Application
    Filed: December 29, 2022
    Publication date: February 27, 2025
    Applicant: LUPLE INC.
    Inventor: Yong Duck KIM
  • Publication number: 20250061547
    Abstract: The present disclosure provides a method and a device for image quality enhancement based on a super-resolution neural network. The present disclosure in at least one embodiment provides an image quality enhancement method optimized for distortion characteristics of a target image, including generating one or more training datasets with one or more distortions, obtaining training distortion characteristic values respectively by inputting the one or more training datasets into a degradation encoder neural network (DEN), obtaining a service distortion characteristic value by inputting a service dataset comprising image patches of the target image into the degradation encoder neural network, computing a similarity between each of the training distortion characteristic values and the service distortion characteristic value, and selecting the training dataset having the highest similarity to the service distortion characteristic value.
    Type: Application
    Filed: November 5, 2024
    Publication date: February 20, 2025
    Inventors: Mun Kyeong HWANG, Hyo Song KIM, Jae Ho HUR, Jun Ho KIM, Hyeong Duck KIM, Tae Young NA
  • Patent number: 12118936
    Abstract: A pixel circuit may comprise: a first transistor having a first terminal connected to a data line and to which a data signal is applied and a gate terminal connected to a scan line and to which a scan signal is applied; a third transistor having a gate terminal connected to a second terminal of the first transistor and a second terminal connected to a light emitting device; a capacitor having a second terminal commonly connected to the second terminal of the first transistor and the gate terminal of the third transistor; and a second transistor having a second terminal commonly connected to a first terminal of the capacitor and a first terminal of the third transistor, a first terminal connected to a first power supply voltage, and a gate terminal connected to an emission line to which an emission signal is applied.
    Type: Grant
    Filed: March 9, 2023
    Date of Patent: October 15, 2024
    Assignees: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Chun Won Byun, Chan Mo Kang, Nam Sung Cho, Byong Deok Choi, Yong Duck Kim
  • Patent number: 12066099
    Abstract: A shift-by-wire system physically prevents shifting to the R/N/D gear position and shifting to the P gear position from being simultaneously performed. The shift-by-wire system includes a body configured to have a Hall sensor provided therein, a knob installed so as to be rotatable around an axis of the body, a button assembly moving in an axial direction of the body and having a magnet provided to sense rotated and moved states thereof using the Hall sensor and rotate together with the knob, and a concurrent operation limiting unit to mechanically limit movement of the button assembly in a state in which the knob is manipulated so as to be rotated, and to mechanically limit rotation of the knob in a state in which the button assembly is manipulated so as to be moved.
    Type: Grant
    Filed: June 22, 2023
    Date of Patent: August 20, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, SL Corporation
    Inventors: Hee En Zoo, Ki Young Song, Woo Duck Kim, Sung Tae Kim, Sang Eun Bae
  • Patent number: 12057071
    Abstract: Disclosed are a display device and a method for driving a pixel of the display device. The device and method is capable of securing a time to sense a threshold voltage of a driving transistor and of compensating for the threshold voltage during operation of the pixel. Each of a plurality of pixels has a 5T1C structure including first to fourth transistors and a driving transistor. The first to fourth transistors are configured to apply driving signals through first to fourth scan lines, respectively. Thus, even without increasing the number of driving signals applied to each pixel, a long time for sensing a threshold voltage of each pixel can be secured.
    Type: Grant
    Filed: July 7, 2023
    Date of Patent: August 6, 2024
    Assignees: LG Display Co., Ltd., INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY
    Inventors: Harkjin Kim, Kwanghwan Ji, Byong-Deok Choi, Bum Sik Kim, Dong-Young Kim, Yong Duck Kim, June Hee Lee
  • Patent number: 11991372
    Abstract: A video decoding method for decoding an input bitstream in which each of pictures has been encoded with being split into a plurality of tiles, the method includes decoding partial decoding information included in the input bitstream and determining one or more target tiles to be decoded among the plurality of tiles according to the partial decoding information; and decoding video data corresponding to the one or more target tiles, wherein the partial decoding information includes at least one of first information indicating whether to perform partial decoding and second information indicating an area on which partial decoding is to be performed.
    Type: Grant
    Filed: October 12, 2022
    Date of Patent: May 21, 2024
    Assignee: SK TELECOM CO., LTD.
    Inventors: Jeong-yeon Lim, Sun-young Lee, Se-hoon Son, Jae-seob Shin, Hyeong-duck Kim, Gyeong-taek Lee, Jung-han Kim
  • Patent number: 11985336
    Abstract: A video decoding method for decoding an input bitstream in which each of pictures has been encoded with being split into a plurality of tiles, the method includes decoding partial decoding information included in the input bitstream and determining one or more target tiles to be decoded among the plurality of tiles according to the partial decoding information; and decoding video data corresponding to the one or more target tiles, wherein the partial decoding information includes at least one of first information indicating whether to perform partial decoding and second information indicating an area on which partial decoding is to be performed.
    Type: Grant
    Filed: October 12, 2022
    Date of Patent: May 14, 2024
    Assignee: SK TELECOM CO., LTD.
    Inventors: Jeong-yeon Lim, Sun-young Lee, Se-hoon Son, Jae-seob Shin, Hyeong-duck Kim, Gyeong-taek Lee, Jung-han Kim
  • Patent number: 11985335
    Abstract: A video decoding method for decoding an input bitstream in which each of pictures has been encoded with being split into a plurality of tiles, the method includes decoding partial decoding information included in the input bitstream and determining one or more target tiles to be decoded among the plurality of tiles according to the partial decoding information; and decoding video data corresponding to the one or more target tiles, wherein the partial decoding information includes at least one of first information indicating whether to perform partial decoding and second information indicating an area on which partial decoding is to be performed.
    Type: Grant
    Filed: October 12, 2022
    Date of Patent: May 14, 2024
    Assignee: SK TELECOM CO., LTD.
    Inventors: Jeong-yeon Lim, Sun-young Lee, Se-hoon Son, Jae-seob Shin, Hyeong-duck Kim, Gyeong-taek Lee, Jung-han Kim
  • Patent number: 11985334
    Abstract: A video decoding method for decoding an input bitstream in which each of pictures has been encoded with being split into a plurality of tiles, the method includes decoding partial decoding information included in the input bitstream and determining one or more target tiles to be decoded among the plurality of tiles according to the partial decoding information; and decoding video data corresponding to the one or more target tiles, wherein the partial decoding information includes at least one of first information indicating whether to perform partial decoding and second information indicating an area on which partial decoding is to be performed.
    Type: Grant
    Filed: October 12, 2022
    Date of Patent: May 14, 2024
    Assignee: SK TELECOM CO., LTD.
    Inventors: Jeong-yeon Lim, Sun-young Lee, Se-hoon Son, Jae-seob Shin, Hyeong-duck Kim, Gyeong-taek Lee, Jung-han Kim
  • Patent number: 11962798
    Abstract: A video decoding apparatus decodes a sequence of one or more pictures in the unit of blocks which are split from each picture. The apparatus comprising a decoder configured to reconstruct, from a bitstream, a current motion vector difference of the current block among the blocks which belong to the sequence of one or more pictures, and an image decoder configured to predict and decode the current block using the motion vector of the current block. When the current motion vector difference of the current block is zero, the resolution of the current motion vector difference of the current block is set to the ¼ pixel precision without the information on the motion vector resolution extracted.
    Type: Grant
    Filed: January 5, 2021
    Date of Patent: April 16, 2024
    Assignee: SK TELECOM CO., LTD.
    Inventors: Jeong-yeon Lim, Sun-young Lee, Se-hoon Son, Jae-seob Shin, Hyeong-duck Kim, Gyeong-taek Lee
  • Patent number: 11963281
    Abstract: The present invention relates to a lighting device and a control method therefor. The lighting device according to the present invention comprises: a light source unit comprising one or more light emitting elements; a first body to which the light source unit is mounted; a second body; a sensor unit for sensing at least one of a relative posture and a relative position of the first body to the second body; and a control unit for controlling the light emitting operation of the light source unit on the basis of at least one of the relative posture and the relative position of the first body.
    Type: Grant
    Filed: May 26, 2021
    Date of Patent: April 16, 2024
    Assignee: LUPLE INC.
    Inventors: Yong Duck Kim, Hyun Jun Park, Nam Su Lee
  • Publication number: 20240087538
    Abstract: A display device according to an exemplary embodiment of the present disclosure includes a light emitting diode and a pixel driving circuit which drives the light emitting diode, the pixel driving circuit includes a driving transistor which applies a driving current to the light emitting diode, a first transistor which applies a first reference voltage to a gate electrode of the driving transistor, a second transistor which applies a data voltage to the gate electrode of the driving transistor, a third transistor which applies a second reference voltage to a source electrode of the driving transistor, and a storage capacitor connected to the gate electrode and the source electrode of the driving transistor. According to the present disclosure, the threshold voltage Vth and the mobility of the driving transistors are internally compensated to improve an image quality.
    Type: Application
    Filed: September 6, 2023
    Publication date: March 14, 2024
    Applicants: LG Display Co., Ltd., Industry-University Cooperation Foundation Hanyang University
    Inventors: Harkjin KIM, Kwanghwan JI, Byong-Deok CHOI, Bum Sik KIM, Dong Young KIM, Yong Duck KIM, June Hee LEE
  • Publication number: 20240029651
    Abstract: Disclosed are a display device and a method for driving a pixel of the display device. The device and method is capable of securing a time to sense a threshold voltage of a driving transistor and of compensating for the threshold voltage during operation of the pixel. Each of a plurality of pixels has a 5T1C structure including first to fourth transistors and a driving transistor. The first to fourth transistors are configured to apply driving signals through first to fourth scan lines, respectively. Thus, even without increasing the number of driving signals applied to each pixel, a long time for sensing a threshold voltage of each pixel can be secured.
    Type: Application
    Filed: July 7, 2023
    Publication date: January 25, 2024
    Inventors: Harkjin Kim, Kwanghwan Ji, Byong-Deok Choi, Bum Sik Kim, Dong-Young Kim, Yong Duck Kim, June Hee Lee
  • Patent number: 11861104
    Abstract: A touch sensing device is connected to a plurality of touch sensors to drive the plurality of touch sensors and to receive a sensing signal. The touch sensing device includes an input unit generating pieces of sensing data by using a sensing signal input from each of the plurality of touch sensors and a correction unit dividing the pieces of sensing data into a plurality of groups and applying different correction values to the sensing data of each of the plurality of groups to generate correction data.
    Type: Grant
    Filed: July 21, 2022
    Date of Patent: January 2, 2024
    Assignee: LX SEMICON CO., LTD.
    Inventors: Jung Min Choi, Jin Yong Kim, Jae Hyun Cho, Jae Duck Kim
  • Patent number: 11853514
    Abstract: The present disclosure discloses a touch sensing signal processing circuit which senses a change in capacitance of a sensing node for touch sensing and provides a logic signal corresponding to the touch sensing. The touch sensing signal processing circuit of the present disclosure is configured using a delta-sigma analog to digital converter. Auto-tuning may be performed by delta-sigma analog conversion.
    Type: Grant
    Filed: May 23, 2022
    Date of Patent: December 26, 2023
    Assignee: LX SEMICON CO., LTD.
    Inventors: Jae Duck Kim, Kyung Hwan Kim, Ho Jin Kang
  • Patent number: 11818348
    Abstract: Disclosed herein is video encoding or decoding for efficiently encoding video. The techniques of the present disclosure are related to various split shapes of a block, syntaxes representing various split types of blocks, and syntax elements represented at a high level therefor.
    Type: Grant
    Filed: September 14, 2022
    Date of Patent: November 14, 2023
    Assignee: SK TELECOM CO., LTD.
    Inventors: Jeong-yeon Lim, Sun-young Lee, Hyeong-duck Kim, Hyo Song Kim, Se-hoon Son, Jae-seob Shin, Gyeong-taek Lee
  • Patent number: 11810522
    Abstract: A pixel circuit driving method of controlling an operation of a light-emitting element provided in a pixel of a display panel may comprise: applying pulse amplitude modulation (PAM) signals having a plurality of levels to a first terminal of a first transistor having a second terminal connected to a control terminal of a second transistor configured to drive the light-emitting element with a current according to a gray scale required for the light-emitting element; and applying a PAM signal of any one level selected from the PAM signals to the control terminal of the second transistor during each sub-frame time corresponding to a turn-on time of the first transistor controlled by a pulse width modulation (PWM) signal having a plurality of sub-frames in a single frame according to the gray scale.
    Type: Grant
    Filed: September 8, 2022
    Date of Patent: November 7, 2023
    Assignees: Electronics and Telecommunications Research Institute, IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
    Inventors: Chun Won Byun, Chan Mo Kang, Nam Sung Cho, Byong Deok Choi, Yong Duck Kim
  • Patent number: 11800144
    Abstract: Disclosed herein is a method for adaptive bidirectional optical flow estimation for inter-screen prediction compensation during video encoding. The method aims to reduce complexity and/or cost of bidirectional optical flow (BIO) at a pixel level or a subblock level.
    Type: Grant
    Filed: March 7, 2022
    Date of Patent: October 24, 2023
    Assignee: SK TELECOM CO., LTD.
    Inventors: Jeong-yeon Lim, Hyo Song Kim, Hyeong-duck Kim, Se-hoon Son, Jae-seob Shin, Gyeong-taek Lee, Sun-young Lee