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).

  • 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: 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: 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: 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
  • Publication number: 20240128384
    Abstract: Provided is a solar cell and a manufacturing method thereof. The cell includes a back-contact electrode on a substrate, a light absorbing layer on the back-contact electrode, an anti-defect layer on the light absorbing layer, a buffer layer on the anti-defect layer, and an upper electrode on a buffer layer. The anti-defect layer may contain an alkaline earth metal.
    Type: Application
    Filed: October 10, 2023
    Publication date: April 18, 2024
    Inventors: Woo Jung LEE, Yong-Duck CHUNG, DAEHYUNG CHO, Myeong Eon KIM, Taeha HWANG
  • 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
  • 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 ΒΌ 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
  • Publication number: 20240122025
    Abstract: A display device includes: a pixel defining layer defining openings arranged in first and second directions, the openings forming emission areas in which light emitting elements are disposed to emit light of different colors; a light blocking layer disposed on the pixel defining layer, and defining holes, each overlapping the opening and having a larger diameter than the opening; and color filters disposed on the light blocking layer to overlap the holes and overlap the emission areas. The opening has an opening interval, which is defined as a difference in diameter between the overlapping hole and the opening, in the openings, among homogeneous openings in which the light emitting elements for emitting light of the same color are disposed, the homogeneous openings adjacent in the first or second direction have different opening intervals, and among the homogeneous openings, openings having different opening intervals are at least three types.
    Type: Application
    Filed: May 2, 2023
    Publication date: April 11, 2024
    Inventors: Chan Young KIM, Yeong Ho LEE, Ha Seok JEON, Jun Hee LEE, Choong Youl IM, Hyun Duck CHO, Kook Hyun CHOI
  • Patent number: 11939489
    Abstract: Provided is a composition for surface treatment of a steel sheet, the composition having excellent resistance to an acid, such as sulfuric acid, and to a coated steel sheet to which the composition for surface treatment is applied, wherein the composition for surface treatment comprises 30-50% wt % of colloidal silica containing 5-20 nm-sized silica, 40-60% wt % of silane containing three or more alkoxy groups, 5-15 wt % of an acrylate-based organic monomer, 0.01-1 wt % of an acid, and 1-15 wt % of a solvent.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: March 26, 2024
    Assignees: POSCO CO., LTD, NOROO COIL COATINGS CO., LTD.
    Inventors: Chang-Hoon Choi, Dong-Yun Kim, Min-Ho Jo, Jae-Duck Ko, Won-Ho Son, Jong-Hwa Kim
  • 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
  • Patent number: 11800142
    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
  • Patent number: 11800145
    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
  • Patent number: 11800143
    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
  • Publication number: 20230332680
    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: Application
    Filed: June 22, 2023
    Publication date: October 19, 2023
    Applicants: 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: 11792397
    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: October 17, 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