Patents by Inventor In-Keun Lee

In-Keun Lee 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: 20240380915
    Abstract: A video decoding method, according to the present invention, comprises the steps of: deriving an L0 motion vector and an L1 motion vector of a current block; deriving an L0 prediction sample and an L1 prediction sample for a first position inside the current block on the basis of the L0 motion vector and the L1 motion vector; determining whether to apply a bidirectional optical flow to the current block; deriving a refined motion vector for a subblock which comprises the first position, when it is determined to apply the bidirectional optical flow; deriving a refined prediction sample for the first position on the basis of the refined motion vector; and obtaining a prediction sample for the first position by using the L0 prediction sample, the L1 prediction sample, and the refined prediction sample.
    Type: Application
    Filed: July 16, 2024
    Publication date: November 14, 2024
    Inventor: Bae Keun LEE
  • Publication number: 20240381720
    Abstract: A display device comprises: a pixel-circuit layer comprising a pixel circuit and an auxiliary pixel circuit on a base layer; and a light-emitting-element layer comprising a light emitting element electrically connected to the pixel circuit. The pixel-circuit layer comprises a line part and an electrode part electrically connected to the line part. The light-emitting-element layer comprises an organic layer comprising a first region and a second region. In a plan view, the first region and the second region are spaced apart from each other with the electrode part interposed therebetween. The line part is electrically connected to the auxiliary pixel circuit.
    Type: Application
    Filed: January 12, 2024
    Publication date: November 14, 2024
    Inventors: Hyung Keun PARK, Jong Hyeon LEE
  • Patent number: 12140069
    Abstract: Provided is a cooling module including a reservoir tank in which cooling water is stored, a screw pump coupled to the reservoir tank and having a cooling water inlet communicating with the reservoir tank to pump cooling water, and a direction control valve coupled to the reservoir tank, having an outlet port communicating with the reservoir tank, and having a plurality of inlet ports to change a direction of flow of cooling water according to an operation, so that efficiency corresponding to the use of a plurality of centrifugal pumps of the related art may be achieved by using a single screw pump, thereby reducing the number of parts and simplifying a package, while simplifying the configuration.
    Type: Grant
    Filed: June 23, 2023
    Date of Patent: November 12, 2024
    Assignee: COAVIS
    Inventors: Hyun Tae Lee, Woo Keun Lee, Hyuk Jin Lee, Dong Heon Mo, Daeil Hyun
  • Patent number: 12143566
    Abstract: Provided is a method for decoding a video signal. The method includes generating a first prediction sample by performing intra prediction on a current block, determining an intra prediction pattern of a current block, partitioning the current block into a plurality of sub-blocks based on the determined intra prediction pattern, generating a first prediction sample for a sub-block by performing intra prediction, determining an offset for the sub-block to obtain a second prediction sample, and generating the second prediction sample for the sub-block by using the first prediction sample and the offset.
    Type: Grant
    Filed: January 3, 2022
    Date of Patent: November 12, 2024
    Assignee: KT CORPORATION
    Inventors: Bae Keun Lee, Joo Young Kim
  • Patent number: 12139566
    Abstract: The present invention relates to a supported catalyst for propylene polymerization in which a first transition metal compound contributing to the production of crystalline polypropylene and a second transition metal compound contributing to the production of rubbery polypropylene are co-supported, and a method for producing a polypropylene resin using same. By using the supported catalyst, according to the present invention, it is possible to produce, by a single step of propylene polymerization, a polypropylene resin in which crystalline polypropylene and rubbery polypropylene are simultaneously formed.
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: November 12, 2024
    Assignee: LOTTE CHEMICAL CORPORATION
    Inventors: Joon Keun Min, Eun Hye Shin, Rai Ha Lee, Hae In Lee, Su Jeong Jeong, Byung Hun Chae
  • Patent number: 12134668
    Abstract: The present invention relates to an olefin-based polymer satisfying conditions as follow: (1) a melt index (MI, 190° C., 2.16 kg load conditions) is from 0.1 g/10 min to 10.0 g/10 min, (2) a density (d) is from 0.860 g/cc to 0.880 g/cc, and (3) T(90)?T(50)?50 and T(95)?T(90)?10 are satisfied when measured by a differential scanning calorimetry precise measurement method (SSA). The olefin-based polymer according to the present invention is a low-density olefin-based polymer introducing a highly crystalline region and showing high mechanical rigidity.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: November 5, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Sang Eun Park, Eun Jung Lee, In Sung Park, Tae Su Kim, Choong Hoon Lee, Jin Sam Gong, Jung Ho Jun, Rae Keun Gwak
  • Patent number: 12134671
    Abstract: The present invention relates to an alkyl acrylate compound-vinyl cyanide compound-aromatic vinyl compound graft copolymer including a seed prepared by polymerizing one or more compounds selected from the group consisting of an alkyl acrylate compound, an aromatic vinyl compound, and a vinyl cyanide compound and a multifunctional crosslinking agent; a core formed to surround the seed and prepared by polymerizing an alkyl acrylate compound and a multifunctional crosslinking agent; and a graft shell formed to surround the core and prepared by polymerizing an aromatic vinyl compound and a vinyl cyanide compound, wherein the multifunctional crosslinking agent has a weight average molecular weight of 600 to 1,400 g/mol, a method of preparing the alkyl acrylate compound-vinyl cyanide compound-aromatic vinyl compound graft copolymer, and a thermoplastic resin composition including the alkyl acrylate compound-vinyl cyanide compound-aromatic vinyl compound graft copolymer.
    Type: Grant
    Filed: November 3, 2020
    Date of Patent: November 5, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Seyong Kim, Yong Yeon Hwang, Bong Keun Ahn, Min Jung Kim, Jang Won Park, Ji Yoon Jeon, Eun Ji Lee
  • Patent number: 12137243
    Abstract: An image decoding method according to the present invention comprises: a step of acquiring an initial motion vector of a current block; a step of deriving a refined motion vector for each of a plurality of search points on the basis of the initial motion vector; and a step of acquiring a motion vector of the current block on the basis of the refined motion vector of any one of the plurality of search points.
    Type: Grant
    Filed: August 23, 2022
    Date of Patent: November 5, 2024
    Assignee: KT CORPORATION
    Inventor: Bae Keun Lee
  • Publication number: 20240364917
    Abstract: A video decoding method according to the present disclosure includes the steps of: generating a merge candidate list for a current block; determining a merge candidate for the current block among merge candidates included in the merge candidate list; deriving an offset vector for the current block; and deriving a motion vector for the current block by adding the offset vector to a motion vector of the merge candidate.
    Type: Application
    Filed: July 12, 2024
    Publication date: October 31, 2024
    Inventor: Bae Keun LEE
  • Publication number: 20240364899
    Abstract: A method for decoding a video according to the present invention may comprise: deriving a spatial merge candidate for a current block, generating a merge candidate list for the current block based on the spatial merge candidate, obtaining motion information for the current block based on the merge candidate list, and performing motion compensation for the current block using the motion information. Herein, if the current block does not have a pre-defined shape or does not have a size equal to or greater than a pre-defined size, the spatial merge candidate of the current block is derived based on a block having the pre-defined shape or having a size equal to or greater than the pre-defined size, the block comprising the current block.
    Type: Application
    Filed: July 11, 2024
    Publication date: October 31, 2024
    Applicant: KT CORPORATION
    Inventor: Bae Keun LEE
  • Patent number: 12132909
    Abstract: An image encoding/decoding method and apparatus according to the present invention may generate a prediction block of a current block on the basis of a pre-defined prediction mode, generate a residual block of the current block on the basis of a predetermined transformation type, and reconstruct the current block on the basis of the prediction block and the residual block.
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: October 29, 2024
    Assignee: INTELLECTUAL DISCOVERY CO., LTD.
    Inventor: Bae Keun Lee
  • Patent number: 12132925
    Abstract: A video decoding method includes the steps of: generating a merge candidate list for a first block; selecting one among merge candidates included in the merge candidate list; and performing motion compensation for the first block based on motion information of the selected merge candidate. At this point, an inter-region merge candidate included in an inter-region motion information list may be added to the merge candidate list based on the number of spatial merge candidates and temporal merge candidates included in the merge candidate list.
    Type: Grant
    Filed: June 16, 2023
    Date of Patent: October 29, 2024
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventor: Bae Keun Lee
  • Publication number: 20240355790
    Abstract: A light emitting device includes first and second electrodes disposed on a substrate; an insulating layer disposed on the substrate and including a groove extending in a first direction intersecting with the first and the second electrodes, and first and second contact portions that expose areas of the first and the second electrodes; light emitting elements disposed in the groove between the first and the second electrodes, each including first and second ends electrically connected to the first and second electrodes, respectively; a first contact electrode electrically connected to the light emitting elements on the first ends, and electrically connected to the first electrode on the first contact portion; and a second contact electrode electrically connected to the light emitting elements on the second ends, and electrically connected to the second electrode on the second contact portion.
    Type: Application
    Filed: June 28, 2024
    Publication date: October 24, 2024
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Tae Jin KONG, Dae Hyun KIM, Myeong Hee KIM, Veidhes BASRUR, Je Won YOO, Xinxing LI, Hee Keun LEE, Bek Hyun LIM, Hyun Min CHO, Chang Il TAE
  • Publication number: 20240357074
    Abstract: An image decoding method according to the present invention comprises the steps of: deriving most probable mode (MPM) candidates on the basis of an intra-prediction mode of candidate blocks; determining whether the MPM candidate having the intra-prediction mode, which is the same as that of a current block, exists among MPM candidates; and deriving the intra-prediction mode of the current block on the basis of the determination, wherein the candidate block includes a neighboring block which is adjacent to the current block, and a non-neighboring block which is not adjacent to the current block.
    Type: Application
    Filed: June 24, 2024
    Publication date: October 24, 2024
    Applicant: KT CORPORATION
    Inventor: Bae Keun LEE
  • Publication number: 20240357133
    Abstract: An image decoding method, according to the present disclosure, comprises the steps of: parsing tile column number information indicating a value wherein 1 is subtracted from the number of tile columns included in the i-th slice; parsing tile row number information indicating a value wherein 1 is subtracted from the number of tile rows included in the i-th slice; and, if the tile column number information and the tile row number information are both 0, further parsing number information related to the number of slices in which height information in a tile including the i-th slice is clearly signaled.
    Type: Application
    Filed: June 27, 2024
    Publication date: October 24, 2024
    Inventors: Bae Keun LEE, Dong San JUN
  • Publication number: 20240351598
    Abstract: A vehicle provides various functions for a pregnant woman and a method of controlling the same. The method of supporting vehicle driving for a pregnant woman may include determining whether to enter a driving support control for the pregnant woman based on at least one of an entry command or an input biometric information of a driver, determining a control function to be activated among predetermined control functions in the driving support control for the pregnant woman based on the at least one of the entry command or the biometric information when entering the driving support control for the pregnant woman, and performing the determined control function.
    Type: Application
    Filed: November 6, 2023
    Publication date: October 24, 2024
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Sung Il Jung, Jae Keun Lee, Hui Un Son, Sung Bae Jeon
  • Publication number: 20240357156
    Abstract: A method for processing a video according to the present invention may comprise: generating a plurality of Most Probable Mode (MPM) candidates; determining whether there is an MPM candidate identical to an intra-prediction mode of a current block among the plurality of MPM candidates; obtaining the intra-prediction mode of the current block, based on a result of the determining; and performing an intra-prediction for the current block, based on the intra-prediction mode of the current block.
    Type: Application
    Filed: June 28, 2024
    Publication date: October 24, 2024
    Applicant: KT CORPORATION
    Inventor: Bae Keun LEE
  • Patent number: 12125834
    Abstract: A display device includes a first substrate; a first conductive pattern, a first voltage line and a second voltage line on the first substrate; an insulating layer on the first conductive pattern and the second voltage line; a plurality of first light-emitting elements on the insulating layer; a first electrode on the insulating layer and connected to the first conductive pattern, the first electrode overlapping the first voltage line; and a second electrode on the insulating layer and connected to the second voltage line, wherein the plurality of first light-emitting elements are in contact with the first electrode and the second electrode, and wherein a part of an upper surface of the first electrode that overlaps the first conductive pattern and a part of the upper surface of the first electrode that overlaps the first voltage line are located on the same plane.
    Type: Grant
    Filed: July 15, 2021
    Date of Patent: October 22, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Bek Hyun Lim, Jung-Hwan Yi, Hee Keun Lee
  • Patent number: 12126796
    Abstract: An image decoding method according to the present invention may comprise the steps of: generating a merge candidate list of a current block; selecting one merge candidate from merge candidates included in the merge candidate list; and performing motion compensation of the current block on the basis of motion information of the selected merge candidate.
    Type: Grant
    Filed: March 16, 2023
    Date of Patent: October 22, 2024
    Assignee: Apple Inc.
    Inventor: Bae Keun Lee
  • Patent number: 12126824
    Abstract: A method for decoding a video, according to the present invention, may comprise the steps of: parsing a first flag indicating whether inter prediction on the basis of a merge mode is applied to a current block; if the first flag is true, parsing a second flag indicating whether a regular merge mode or a merge offset encoding mode is applied to the current block; and if the second flag is true, parsing a third flag indicating whether the merge offset encoding mode is applied to the current block.
    Type: Grant
    Filed: April 14, 2023
    Date of Patent: October 22, 2024
    Assignee: Apple Inc.
    Inventor: Bae Keun Lee