Patents by Inventor Dong Won Choi

Dong Won 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: 12225222
    Abstract: The present invention relates to an image encoding/decoding method and device. The image decoding method according to the present invention comprises the steps of: decoding a prediction mode index; determining whether the prediction mode index indicates function-based intra prediction; inducing a parameter (s) for generating a function, when the prediction mode index indicates the function-based intra prediction; generating the function on the basis of the induced parameter (s); and performing intra prediction by using the generated function.
    Type: Grant
    Filed: September 26, 2022
    Date of Patent: February 11, 2025
    Assignee: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Seung Hyun Cho, Jung Won Kang, Hyun Suk Ko, Sung Chang Lim, Jin Ho Lee, Ha Hyun Lee, Dong San Jun, Hui Yong Kim, Byeung Woo Jeon, Nam Uk Kim, Seung Su Jeon, Jin Soo Choi
  • Patent number: 12225189
    Abstract: The present invention relates to an image encoding method and an image decoding method. The image decoding method includes partitioning a picture into a plurality of coding units, constructing a coding unit group including at least one coding unit of the plurality of coding units, obtaining coding information in units of one coding unit group, and decoding at least one coding unit of the plurality of coding units included in the coding unit group by using the obtained coding information.
    Type: Grant
    Filed: January 12, 2024
    Date of Patent: February 11, 2025
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jung Won Kang, Sung Chang Lim, Hyun Suk Ko, Ha Hyun Lee, Jin Ho Lee, Dong San Jun, Seung Hyun Cho, Hui Yong Kim, Jin Soo Choi
  • Patent number: 12223050
    Abstract: Disclosed herein are an apparatus for analyzing non-informative firmware and a method using the apparatus. The method includes detecting a target instruction for firmware analysis in a memory map in non-informative firmware, generating an analysis list based on memory map information corresponding to the target instruction, and generating a visualized analysis result corresponding to the firmware by grouping the entries of the analysis list by preset reference bytes.
    Type: Grant
    Filed: October 25, 2022
    Date of Patent: February 11, 2025
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Dae-Won Kim, Sang-Su Lee, Yong-Je Choi, Byeong-Cheol Choi, Dong-Wook Kang, Yang-Seo Choi
  • Patent number: 12225240
    Abstract: The present invention relates to an image encoding/decoding method and apparatus. An image encoding method according to the present invention may comprise generating a transform block by performing at least one of transform and quantization; grouping at least one coefficient included in the transform block into at least one coefficient group (CG); scanning at least one coefficient included in the coefficient group; and encoding the at least one coefficient.
    Type: Grant
    Filed: November 20, 2023
    Date of Patent: February 11, 2025
    Assignees: Electronics and Telecommunications Research Institute, Industry Academy Cooperation Foundation of Sejong University
    Inventors: Sung Chang Lim, Jung Won Kang, Hyun Suk Ko, Jin Ho Lee, Dong San Jun, Ha Hyun Lee, Seung Hyun Cho, Hui Yong Kim, Jin Soo Choi, Yung Lyul Lee, Jun Woo Choi
  • Patent number: 12218078
    Abstract: There are provided a semiconductor memory device and a manufacturing method of the semiconductor memory device. The semiconductor memory device includes: a gate stack structure including a plurality of interlayer insulating layers and a plurality of conductive patterns, which are alternately stacked in a vertical direction; a dummy stack structure including a plurality of dummy interlayer insulating layers and a plurality of sacrificial layers, which are alternately stacked in the vertical direction, the dummy stack structure being disposed at a level at which the gate stack structure is disposed; a channel structure penetrating the gate stack structure; a memory layer disposed between each of the plurality of conductive patterns and the channel structure; and a dummy pillar penetrating a portion of the dummy stack structure with a length less than a length of the channel structure in the vertical direction.
    Type: Grant
    Filed: April 5, 2022
    Date of Patent: February 4, 2025
    Assignee: SK hynix Inc.
    Inventors: Jun Hyuk Park, Kyung Min Park, Sung Gon Jin, Dong Won Choi
  • Patent number: 12212742
    Abstract: The present invention relates to an intra prediction method and apparatus. The image decoding method according to the present invention may comprise decoding information on intra prediction; and generating a prediction block by performing intra prediction for a current block based on the information on intra prediction. The information on intra prediction may include information on an intra prediction mode, and the intra prediction mode may include a curved intra prediction mode.
    Type: Grant
    Filed: July 27, 2023
    Date of Patent: January 28, 2025
    Assignee: LX Semicon Co., Ltd.
    Inventors: Hyun Suk Ko, Jin Ho Lee, Sung Chang Lim, Jung Won Kang, Ha Hyun Lee, Dong San Jun, Seung Hyun Cho, Hui Yong Kim, Jin Soo Choi
  • Publication number: 20250030849
    Abstract: The present invention relates to an intra prediction method and apparatus. The image decoding method according to the present invention may comprise decoding information on intra prediction; and generating a prediction block by performing intra prediction for a current block based on the information on intra prediction. The information on intra prediction may include information on an intra prediction mode, and the intra prediction mode may include a curved intra prediction mode.
    Type: Application
    Filed: October 8, 2024
    Publication date: January 23, 2025
    Inventors: Hyun Suk KO, Jin Ho LEE, Sung Chang LIM, Jung Won KANG, Ha Hyun LEE, Dong San JUN, Seung Hyun CHO, Hui Yong KIM, Jin Soo CHOI
  • Publication number: 20250026023
    Abstract: A cleaning system is provided. The cleaning system includes a robot cleaner and a station. The robot cleaner includes a pad fixing part on which a cleaning pad is detachably mounted, a lifter to lift a part of the robot cleaner at which the pad fixing part is positioned, and a pad detacher to detach the cleaning pad mounted on the pad fixing part. The station includes a pad storage box in which a cleaning pad that is to be provided to the robot cleaner is stored, a pad coupling part on which a cleaning pad that is to be coupled to the robot cleaner is rested, and a pad supplier to supply the cleaning pad stored in the pad storage box to the pad coupling part.
    Type: Application
    Filed: October 7, 2024
    Publication date: January 23, 2025
    Inventors: Sin Ae KIM, Byoung In LEE, Dong Woo HA, Seok Man HONG, Dong Jun KIM, Ji Won CHOI
  • Publication number: 20250030844
    Abstract: An image encoding/decoding method and apparatus for predicting a second color component block using a first color component block are provided. An image decoding method of the present invention comprises deriving a prediction parameter using the first color component block, and predicting the second color component block using the derived prediction parameter.
    Type: Application
    Filed: October 8, 2024
    Publication date: January 23, 2025
    Inventors: Jin Ho LEE, Hyun Suk KO, Jung Won KANG, Sung Chang LIM, Ha Hyun LEE, Dong San JUN, Seung Hyun CHO, Hui Yong KIM, Jin Soo CHOI
  • Patent number: 12202997
    Abstract: An encapsulating composition and an organic electronic device comprising the same, and the encapsulating composition which is capable of effectively blocking moisture or oxygen penetrating into the organic electronic device from the outside to secure the lifetime of the organic electronic device, implementing a top-emitting organic electronic device, being applied in an inkjet method, and providing a thin display.
    Type: Grant
    Filed: June 12, 2019
    Date of Patent: January 21, 2025
    Assignee: LG Chem, Ltd.
    Inventors: Ji Won Kwak, Kook Hyun Choi, Mi Lim Yu, Dong Hwan Kim, Hae Jong Jung
  • Patent number: 12178902
    Abstract: A method of treating impaired lymphatic function in a subject is provided. The method includes a step of inducing activation of Piezo1 ion channels in lymphatic tissues of a subject having impaired lymphatic function. Similarly, a method of treating ocular hypertension or glaucoma in a subject includes a step of inducing activation of Piezo1 ion channels in an eye of a subject having an ocular pressure that is greater than 22 mm Hg. Finally, a method of treating ocular hypertension or glaucoma in a subject includes a step of inducing activation of Piezo1 ion channels in an eye of a subject having an ocular pressure that is greater than 22 mm Hg.
    Type: Grant
    Filed: January 12, 2021
    Date of Patent: December 31, 2024
    Assignee: University of Southern California
    Inventors: Young-Kwon Hong, Dong-Won Choi
  • Patent number: 11964044
    Abstract: One aspect of the present disclosure relates to a phase transfer cosmetic composition. According to the present disclosure, there can be provided a cosmetic composition which contains a wax having a melting point of 40 to 60° C. and an inulin-based surfactant, wherein the composition maintains a liquid state before applied to the skin and rubbed, and changes to a solid state when applied to the skin, can solve the problems in terms of hygiene and use because it is not used by scooping it by hand, and further, changes its phase to a solid state when applied to the skin and then rubbed, and thus, can solve the problem of dripping when applied to face or skin.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: April 23, 2024
    Assignee: Amorepacific Corporation
    Inventors: Dong Wan Ha, Yu Jung Kim, Dong Won Choi, Yoon Kyun Hwang
  • Patent number: 11833806
    Abstract: A display device includes a display panel; a supporter disposed on a surface of the display panel; and an adhesive layer disposed between the supporter and the display panel, wherein the supporter includes metal layers spaced apart from each other; and a cushion layer surrounding the metal layers, the adhesive layer includes a first area overlapping the metal layers in a vertical direction to the display panel; and a second area not overlapping the metal layers in the vertical direction to the display panel, and a modulus of the second area of the adhesive layer is larger than a modulus of the first area of the adhesive layer.
    Type: Grant
    Filed: August 10, 2021
    Date of Patent: December 5, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dong Won Choi, Beon Jin Kim, Jin Hwan Choi, Tae Woong Kim, Jong Hwa Lee
  • Publication number: 20230129734
    Abstract: There are provided a semiconductor memory device and a manufacturing method of the semiconductor memory device. The semiconductor memory device includes: a gate stack structure including a plurality of interlayer insulating layers and a plurality of conductive patterns, which are alternately stacked in a vertical direction; a dummy stack structure including a plurality of dummy interlayer insulating layers and a plurality of sacrificial layers, which are alternately stacked in the vertical direction, the dummy stack structure being disposed at a level at which the gate stack structure is disposed; a channel structure penetrating the gate stack structure; a memory layer disposed between each of the plurality of conductive patterns and the channel structure; and a dummy pillar penetrating a portion of the dummy stack structure with a length less than a length of the channel structure in the vertical direction.
    Type: Application
    Filed: April 5, 2022
    Publication date: April 27, 2023
    Applicant: SK hynix Inc.
    Inventors: Jun Hyuk PARK, Kyung Min PARK, Sung Gon JIN, Dong Won CHOI
  • Patent number: 11480296
    Abstract: A pressure vessel includes a boss tail portion including a boss extension portion having a cylindrical shape and a boss flange portion integrally expanding outward in a radial direction along a circumferential direction above the boss extension portion, a liner portion having a container shape in which an accommodation space is formed to accommodate a fluid therein and a bottom is sealed and coupled, through integral insertion-injection molding, along a top surface of the boss flange portion, and a composite cover portion provided to surround an outer surface of the liner portion and to have a bottom end sealed and coupled while surrounding a bottom surface of the boss flange portion and an outer surface of the boss extension portion.
    Type: Grant
    Filed: February 3, 2021
    Date of Patent: October 25, 2022
    Assignee: SUNGWOO HITECH CO., LTD.
    Inventors: Byung Hag Park, Dong Won Choi
  • Publication number: 20220214014
    Abstract: Disclosed is a pressure vessel including a boss tail portion including a boss extension portion having a cylindrical shape and a boss flange portion integrally expanding outward in a radial direction along a circumferential direction above the boss extension portion, a liner portion having a container shape in which an accommodation space is formed to accommodate a fluid therein and a bottom is sealed and coupled, through integral insertion-injection molding, along a top surface of the boss flange portion, and a composite cover portion provided to surround an outer surface of the liner portion and to have a bottom end sealed and coupled while surrounding a bottom surface of the boss flange portion and an outer surface of the boss extension portion.
    Type: Application
    Filed: February 3, 2021
    Publication date: July 7, 2022
    Inventors: Byung Hag PARK, Dong Won CHOI
  • Publication number: 20220141968
    Abstract: A display device includes a display panel; a supporter disposed on a surface of the display panel; and an adhesive layer disposed between the supporter and the display panel, wherein the supporter includes metal layers spaced apart from each other; and a cushion layer surrounding the metal layers, the adhesive layer includes a first area overlapping the metal layers in a vertical direction to the display panel; and a second area not overlapping the metal layers in the vertical direction to the display panel, and a modulus of the second area of the adhesive layer is larger than a modulus of the first area of the adhesive layer.
    Type: Application
    Filed: August 10, 2021
    Publication date: May 5, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Dong Won CHOI, Beon Jin KIM, Jin Hwan CHOI, Tae Woong KIM, Jong Hwa LEE
  • Patent number: 11229586
    Abstract: A surfactant-free cosmetic composition is disclosed. The composition is a stable water in silicone oil (W/S) formulation containing a silicone oil phase portion and an aqueous phase portion, wherein the silicone oil phase portion contains an emollient having a pyrrolidone carboxylic acid group, oil-absorbing powder and silicone oil, and the aqueous phase portion contains 50 wt.% or more of water based on the total weight of the surfactant-free cosmetic composition. The composition may further contain a high content of vitamin C or a vitamin C derivative and has improved long term storage stability.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: January 25, 2022
    Assignee: AMOREPACIFIC CORPORATION
    Inventors: Seong Chan Eo, Seung Han Park, Byung Fhy Suh, Ji Sik Shin, Dong Won Choi, Byung Guen Chae
  • Publication number: 20210128449
    Abstract: One aspect of the present disclosure relates to a phase transfer cosmetic composition. According to the present disclosure, there can be provided a cosmetic composition which contains a wax having a melting point of 40 to 60° C. and an inulin-based surfactant, wherein the composition maintains a liquid state before applied to the skin and rubbed, and changes to a solid state when applied to the skin, can solve the problems in terms of hygiene and use because it is not used by scooping it by hand, and further, changes its phase to a solid state when applied to the skin and then rubbed, and thus, can solve the problem of dripping when applied to face or skin.
    Type: Application
    Filed: October 30, 2020
    Publication date: May 6, 2021
    Applicant: Amorepacific Corporation
    Inventors: Dong Wan HA, Yu Jung KIM, Dong Won CHOI, Yoon Kyun HWANG
  • Publication number: 20200405592
    Abstract: A surfactant-free cosmetic composition is disclosed. The composition is a stable water in silicone oil (W/S) formulation containing a silicone oil phase portion and an aqueous phase portion, wherein the silicone oil phase portion contains an emollient a pyrrolidone carboxylic acid group, oil-absorbing powder and silicone oil, and the aqueous phase portion contains 50 wt. % or more of water based on the total weight of the surfactant-free cosmetic composition. The composition may further contain a high content of vitamin C or a vitamin C derivative and has improved long term storage stability.
    Type: Application
    Filed: June 15, 2020
    Publication date: December 31, 2020
    Applicant: AMOREPACIFIC CORPORATION
    Inventors: Seong Chan EO, Seung Han PARK, Byung Fhy SUH, Ji Sik SHIN, Dong Won CHOI, Byung Guen CHAE