Patents by Inventor Keun Lee

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: 20210014485
    Abstract: A method for decoding a video according to the present invention may comprise: determining an intra prediction mode of a current block, determining, based on the intra prediction mode, a first reference sample of a prediction target sample included in the current block, generating a first prediction sample for the prediction target sample using the first reference sample, and generating a second prediction sample for the prediction target sample using the first prediction sample and a second reference sample located at a position different from the first reference sample.
    Type: Application
    Filed: September 30, 2020
    Publication date: January 14, 2021
    Applicant: KT CORPORATION
    Inventor: Bae Keun LEE
  • Publication number: 20210014499
    Abstract: According to the present invention, there is provided a method of decoding an image, the method including: deriving an initial motion vector of a current block; determining a motion refinement vector of the current block; and determining a motion vector of the current block on the basis of the initial motion vector and the motion refinement vector. Herein, the initial motion vector is derived from any one of merge candidates included in a merge candidate list for the current block.
    Type: Application
    Filed: March 27, 2019
    Publication date: January 14, 2021
    Applicant: KT CORPORATION
    Inventor: Bae Keun LEE
  • Publication number: 20210014479
    Abstract: According to the present invention, there is provided a method of decoding an image, the method including: determining whether a non-zero residual coefficient is included in a current block; and decoding residual coefficients included in the current block according to a scanning order of the current block, when it is determined that the non-zero residual coefficient is included in the current block. Herein, an absolute value of the residual coefficient of which a scanning index is greater than a residual coefficient adjustment index is equal to or less than a residual coefficient adjustment reference value.
    Type: Application
    Filed: March 27, 2019
    Publication date: January 14, 2021
    Applicant: KT CORPORATION
    Inventor: Bae Keun LEE
  • Publication number: 20210013897
    Abstract: Provided are an apparatus and a method for measuring a frequency of a broadband signal by using low-speed ADCs having sub-Nyquist sampling rates. A plurality of channels each including a low-speed ADC having a sub-Nyquist sampling rate (e.g. sampling frequency from several MHz to hundreds of MHz) are provided, and the frequency of an input signal corresponding to a combination of frequencies calculated through the respective channels is estimated. Therefore, as the number of channels increases, the range of measurable frequencies may be extended.
    Type: Application
    Filed: July 10, 2020
    Publication date: January 14, 2021
    Inventors: Sang Won KIM, Dong Keun LEE, Jeung Min JOO, Jung Hoon KIM, Sung Jin JO, Un Seob JEONG
  • Publication number: 20210010042
    Abstract: The present disclosure relates to an ATP phosphoribosyltransferase (HisG) protein and a method for producing histidine using the same.
    Type: Application
    Filed: August 2, 2018
    Publication date: January 14, 2021
    Applicant: CJ CheilJedang Corporation
    Inventors: Myung Keun Park, Nara Kwon, Jin Nam Lee
  • Publication number: 20210006799
    Abstract: According to the present invention, there is provided a method of decoding an image, the method including: partitioning a current block into multiple sub-blocks; performing intra prediction on a first sub-block among the multiple sub-blocks by using a first sub reference sample line; and performing intra prediction on a second sub-block among the multiple sub-blocks by using a second sub reference sample line. Herein, an intra prediction mode of the first sub-block and an intra prediction mode of the second sub-block are the same.
    Type: Application
    Filed: March 27, 2019
    Publication date: January 7, 2021
    Applicant: KT CORPORATION
    Inventor: Bae Keun LEE
  • Publication number: 20210004850
    Abstract: A franchisee online co-promotion system according to an embodiment of the present invention uses a winning lottery number prediction event service. When purchasing a product, at the time of payment for the purchase made through a credit card, online payment, an online lottery event service app is automatically pushed to a customer's smart terminal to induce automatic entry into a lottery event, and an advertisement service is automatically provided for a franchisee that is an individual seller. A purchaser of the product may expect additional prize money and a prize according to the entry into the online lottery event, and individual franchisees participating in the present system only pay a portion of prize money to be earned and offer the customer an opportunity to earn a large amount of prize money accumulated by all participating franchisees, thereby providing customer satisfaction that is differentiated from that of non-participating franchisees.
    Type: Application
    Filed: October 25, 2018
    Publication date: January 7, 2021
    Inventor: Chang Keun LEE
  • Publication number: 20210005693
    Abstract: A display apparatus including a first thin-film transistor, a second thin-film transistor and a third thin-film transistor is provided. The first thin-film transistor includes a first active layer composed of a polysilicon material, a first gate electrode overlapping the first active layer such that a first gate insulating layer is interposed therebetween, a first source electrode and a first drain electrode. The first gate electrode includes n layers. The first source electrode and the first drain electrode are connected to the first active layer. The second thin-film transistor includes a second active layer composed of a polysilicon material, a second gate electrode overlapping the second active layer such that a first gate insulating layer is interposed therebetween, a second source electrode and a second drain electrode. The second gate electrode includes n+1 layers. The second source electrode and the second drain electrode are connected to the second active layer.
    Type: Application
    Filed: July 6, 2020
    Publication date: January 7, 2021
    Applicant: LG Display Co., Ltd.
    Inventors: Seong-Pil CHO, Dong-Yup KIM, Kyung-Mo SON, Sang-Soon NOH, Jun-Seuk LEE, Yong-Bin KANG, Kye-Chul CHOI, Sung-Ho MOON, Sang-Gul LEE, Byeong-Keun KIM, Kyoung-Soo LEE, Hyun-Gyo JEONG, Jin-Kyu ROH, Jung-Doo JIN, Ki-Hyun KWON, Hee-Jin JUNG, Jang-Dae KIM, Won-Ho SON, Chan-Ho KIM
  • Publication number: 20210004542
    Abstract: Provided are an apparatus and method for providing a personal assistant service based on automatic translation. The apparatus for providing a personal assistant service based on automatic translation includes an input section configured to receive a command of a user, a memory in which a program for providing a personal assistant service according to the command of the user is stored, and a processor configured to execute the program. The processor updates at least one of a speech recognition model, an automatic interpretation model, and an automatic translation model on the basis of an intention of the command of the user using a recognition result of the command of the user and provides the personal assistant service on the basis of an automatic translation call.
    Type: Application
    Filed: July 2, 2020
    Publication date: January 7, 2021
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Seung YUN, Sang Hun KIM, Min Kyu LEE, Yun Keun LEE, Mu Yeol CHOI, Yeo Jeong KIM, Sang Kyu PARK
  • Patent number: 10884292
    Abstract: An exemplary embodiment of the present disclosure provides a display device including a first substrate including a plurality of unit regions, a unit electrode portion disposed on the first substrate in one unit region, an opposed electrode facing the unit electrode portion, a liquid crystal layer interposed between the unit electrode portion and the opposed electrode, and a protrusion interposed between the first substrate and the liquid crystal layer and protruded toward the liquid crystal layer. The protrusion includes a pair of horizontal portions facing each other and including a side parallel to a first direction, a pair of vertical portions facing each other and including a side parallel to a second direction different from the first direction, and at least one corner portion including a first oblique side parallel to a direction oblique with respect to the first and second directions.
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: January 5, 2021
    Inventors: Jeong Man Son, Min Wook Park, Jong-Keun Kim, Sang-Je Lee
  • Patent number: 10887654
    Abstract: An example content playing apparatus includes an output device including a display and a speaker; and one or more controllers configured to recognize a plurality of users viewing content played by the output device, select at least one of the plurality of users based on one or more criteria, and control playing of the content according to the at least one selected user.
    Type: Grant
    Filed: March 16, 2015
    Date of Patent: January 5, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun-jee Kim, Won-keun Kong, Nam-suk Lee
  • Patent number: 10886460
    Abstract: A magnetic device includes: a conductive layer into which current is injected in a first direction, the conductive layer causing spin Hall effect or Rashba effect; a ferromagnetic layer disposed in contact with the conductive layer such that the ferromagnetic layer and the conductive layer are stacked on each other, a magnetization direction of the ferromagnetic layer being switched; and a spin filter structure having a fixed magnetization direction, the spin filter structure being disposed on at least one of the opposite side surfaces of the first direction of the conductive layer to inject spin-polarized current into the conductive layer.
    Type: Grant
    Filed: March 30, 2020
    Date of Patent: January 5, 2021
    Assignee: Korea University Research and Business Foundation
    Inventors: Young Keun Kim, Kyung-Jin Lee, Gyungchoon Go
  • Patent number: 10886189
    Abstract: A semiconductor die includes a substrate, a first passivation layer over the substrate, and a second passivation layer over the first passivation layer and the substrate. The substrate has boundaries defined by a substrate termination edge. The first passivation layer is over the substrate such that it terminates at a first passivation termination edge that is inset from the substrate termination edge by a first distance. The second passivation layer is over the first passivation layer and the substrate such that it terminates at a second passivation termination edge that is inset from the substrate termination edge by a second distance. The second distance is less than the first distance such that the second passivation layer overlaps the first passivation layer.
    Type: Grant
    Filed: May 1, 2019
    Date of Patent: January 5, 2021
    Assignee: Cree, Inc.
    Inventors: Chris Hardiman, Kyoung-Keun Lee, Fabian Radulescu, Daniel Namishia, Scott Thomas Sheppard
  • Publication number: 20200409253
    Abstract: The present application relates to a method for producing a substrate which includes a step of exposing and developing a photosensitive resin composition layer formed on a surface of a substrate base layer to produce spacers. The method for producing a substrate of the present application can uniformly form spacers having a height according to a desired cell gap and can also freely control the height of the spacers.
    Type: Application
    Filed: November 23, 2018
    Publication date: December 31, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Jun Haeng Lee, Yeon Keun Lee, Jung Doo Kim, Han Min Seo, Cheol Ock Song, Nam Seok Bae
  • Publication number: 20200408849
    Abstract: A battery pack according to an embodiment of the present disclosure may include a plurality of battery cells and a BMS for controlling the battery pack. The BMS may include a state-of-charge (SOC) calculation module for calculating a SOC of each of the plurality of battery cells included in the battery pack and a faulty battery cell detection unit for detecting at least one faulty battery cell on the basis of the calculated SOC of each of the plurality of battery cells.
    Type: Application
    Filed: June 19, 2020
    Publication date: December 31, 2020
    Applicant: LG CHEM, LTD.
    Inventors: An Soo KIM, Dong Keun KWON, Hyun Chul LEE, Sung Yul YOON, Seung Hyun KIM, Jae Sung IM
  • Publication number: 20200413063
    Abstract: A method for decoding a video according to the present invention may comprise: determining a motion vector precision of a current block, generating a motion vector candidate list of the current block, obtaining a motion vector prediction value of the current block from the motion vector candidate list, determining whether a precision of the motion vector prediction value is identical to a motion vector precision of the current block, scaling the motion vector prediction value according to the motion vector precision of the current block, when the precision of the motion vector prediction value is different from the motion vector precision of the current block, and obtaining a motion vector of the current block using the scaled motion vector prediction value.
    Type: Application
    Filed: September 9, 2020
    Publication date: December 31, 2020
    Applicant: KT CORPORATION
    Inventor: Bae Keun LEE
  • Patent number: 10875951
    Abstract: Disclosed is a propylene-diene copolymer resin having excellent melt tension, with improved melt strength, high molecular weight and broad molecular weight distribution by using a specific metallocene catalyst system. The present invention provides a propylene-diene copolymer resin produced by polymerizing propylene and a diene compound of C4-C20 by using a metallocene catalyst system, wherein the propylene-diene copolymer resin has the melt index (2.16 kg load at 230° C.) of 0.1-100 g/10 min and the melt tension (advanced rheometric expansion system (ARES)) of 5-100 g.
    Type: Grant
    Filed: April 6, 2017
    Date of Patent: December 29, 2020
    Assignee: LOTTE CHEMICAL CORPORATION
    Inventors: Byung Hun Chae, Hyun Yul Woo, Rai Ha Lee, Joon Keun Min, Sung Won Jung, Youn Jin Hong, Eun Hye Shin
  • Patent number: 10880569
    Abstract: A method for processing a vide signal, according to the present invention comprises generating a reference picture list based on a current picture reference flag for a current picture, obtaining motion information about a current block in the current picture, and restoring the current block using the motion information of the current block and the reference picture list relating to the current picture.
    Type: Grant
    Filed: June 17, 2019
    Date of Patent: December 29, 2020
    Assignee: KT CORPORATION
    Inventors: Bae Keun Lee, Joo Young Kim
  • Publication number: 20200403484
    Abstract: Proposed is a power supply device for a submodule controller of a modular multilevel converter (MMC) connected to a high voltage direct current (HVDC) system, which generates and supplies power through by hydraulic turbine generation using coolant flowing through a heat sink that cools a submodule. The power supply device includes a heat sink disposed inside the submodule of the MMC converter to cool the submodule using coolant; a pipe having an inlet configured to supply the coolant to the heat sink and an outlet configured to discharge the coolant to outside of the heat sink and configured to form a flow path to cause the coolant supplied through the inlet to flow to the heat sink; and a hydraulic turbine generator disposed at one side of the pipe to generate power by the coolant flowing through the pipe and supply the power to the submodule controller.
    Type: Application
    Filed: December 21, 2018
    Publication date: December 24, 2020
    Inventors: Yong Hee PARK, Hong Ju JUNG, Jae Keun NO, In Soo WANG, Doo Young LEE, Jong Kyou JEONG, Joo Yeon LEE
  • Publication number: 20200402952
    Abstract: A semiconductor package may include a first semiconductor chip on and electrically connected to a wiring substrate, an intermediate layer on the first semiconductor chip and covering an entire surface of the first semiconductor chip, a second semiconductor chip on the intermediate layer and electrically connected to the wiring substrate, a mold layer on the wiring substrate and covering the first semiconductor chip and the second semiconductor chip, the mold layer including one or more inner surfaces defining a mold via hole that exposes a portion of a surface of the intermediate layer, an electromagnetic shielding layer on the one or more inner surfaces of the mold layer and further on one or more outer surfaces of the mold layer, and a thermal discharge layer on the electromagnetic shielding layer in the mold via hole, such that the thermal discharge layer fills the mold via hole.
    Type: Application
    Filed: September 2, 2020
    Publication date: December 24, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Won-keun KIM, Kyung-suk OH, Ji-han KO, Kil-soo KIM, Yeong-seok KIM, Joung-phil LEE, Hwa-il JIN, Su-jung HYUNG