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: 20240013725
    Abstract: A gate driver includes a first scan signal generator configured to output a logic voltage for driving of a scan transistor through a plurality of stages connected in cascade, the scan transistor performing a switching operation to transfer a data voltage to a driving transistor of a pixel, a second scan signal generator configured to output a logic voltage for driving of a sensing transistor through the plurality of stages, the sensing transistor sensing deterioration of a light emitting element of the pixel, a light emission control signal generator configured to output a logic voltage for control of a light emission control transistor of the pixel through the plurality of stages, and an initialization voltage generator driven by logic voltages received from some nodes of the first scan signal generator based on the light emission control signal generator to supply an initialization voltage to the pixel.
    Type: Application
    Filed: September 20, 2023
    Publication date: January 11, 2024
    Inventors: Se-Hwan KIM, Tae-Keun LEE, Min-Su KIM, Hae-Jun PARK, Young-Taek HONG
  • Publication number: 20240015317
    Abstract: An image decoding method according to the present invention comprises the steps of: referring to a first flag for indicating whether intra block-based delta pulse code modulation (BDPCM) signaled through a sequence parameter set is permitted, so as to determine whether a second flag for indicating whether the intra BDPCM is applied to a current block is parsed; determining whether the intra BDPCM is applied to the current block on the basis of the second flag; determining an intra BDPCM mode of the current block when it is determined that the intra BDPCM is applied to the current block; and acquiring a residual sample of the current block on the basis of the intra BDPCM mode.
    Type: Application
    Filed: April 19, 2023
    Publication date: January 11, 2024
    Inventor: Bae Keun Lee
  • Publication number: 20240015339
    Abstract: A method for decoding a video according to the present invention may comprise: determining whether to divide a current block with quad tree partitioning, and dividing the current block into four partitions based on a vertical line and a horizontal line when it is determined that the current block is divided with the quad tree partitioning.
    Type: Application
    Filed: September 25, 2023
    Publication date: January 11, 2024
    Applicant: KT CORPORATION
    Inventor: Bae Keun LEE
  • Patent number: 11870025
    Abstract: A display device includes a first substrate, a wire pad in a pad area, first banks in a display area, electrodes on the first banks, a pad electrode base layer on the wire pad, having a greater width than the wire pad, and covering sides of the wire pad, a first insulating layer covering parts of the electrodes and part of the pad electrode base layer, light-emitting elements on the first insulating layer in the display area, respective ends of the light-emitting elements being on different electrodes, contact electrodes on the electrodes and contacting first ends of the light-emitting elements, and a pad electrode upper layer on the first insulating layer in the pad area and directly contacting the pad electrode base layer, wherein the pad electrode base layer includes the same material as the electrodes, and the pad electrode upper layer includes the same material as the contact electrodes.
    Type: Grant
    Filed: June 13, 2022
    Date of Patent: January 9, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin Taek Kim, Seung Min Lee, Jung Hwan Yi, Hee Keun Lee, Bek Hyun Lim, Kyung Tae Chae
  • Patent number: 11871598
    Abstract: A display device and a manufacturing method thereof are provided. A display device includes: a substrate; a first electrode and a second electrode on the substrate, the first electrode and the second electrode being arranged on a same layer to be spaced apart from each other; a first insulating layer on the first electrode and the second electrode; and a light emitting element on the first insulating layer. The first insulating layer includes a groove concave toward the substrate, and the light emitting element is in the groove.
    Type: Grant
    Filed: May 10, 2021
    Date of Patent: January 9, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Baek Hyeon Lim, Jin Taek Kim, Seung Min Lee, Jung Hwan Yi, Hee Keun Lee, Kyung Tae Chae
  • Patent number: 11869964
    Abstract: A transistor device includes a semiconductor epitaxial layer structure including a channel layer and a barrier layer on the channel layer, wherein the barrier layer has a higher bandgap than the channel layer. A modified access region is provided at an upper surface of the barrier layer opposite the channel layer. The modified access region includes a material having a lower surface barrier height than the barrier layer. A source contact and a drain contact are formed on the barrier layer, and a gate contact is formed between source contact and the drain contact.
    Type: Grant
    Filed: May 20, 2021
    Date of Patent: January 9, 2024
    Assignee: Wolfspeed, Inc.
    Inventors: Kyoung-Keun Lee, Fabian Radulescu, Scott Sheppard
  • Publication number: 20240007617
    Abstract: An image decoding method according to the present invention includes: a step for determining a reference sample line of a current block; a step for determining whether candidate intra-prediction modes identical to the intra-prediction mode of the current block exist; a step for deriving the intra-prediction mode of the current block on the basis of the determination; and a step for performing intra-prediction on the current block on the basis of the reference sample line and the intra-prediction mode. Here, at least one of the candidate intra prediction modes may be derived by adding or subtracting an offset to or from the maximum value among the intra-prediction mode of a neighboring block that is above the current block and the intra-prediction mode of a neighboring block that is to the left of the current block.
    Type: Application
    Filed: September 14, 2023
    Publication date: January 4, 2024
    Inventor: Bae Keun LEE
  • Publication number: 20240007618
    Abstract: An image decoding method according to the present invention includes: a step for determining a reference sample line of a current block; a step for determining whether candidate intra-prediction modes identical to the intra-prediction mode of the current block exist; a step for deriving the intra-prediction mode of the current block on the basis of the determination; and a step for performing intra-prediction on the current block on the basis of the reference sample line and the intra-prediction mode. Here, at least one of the candidate intra prediction modes may be derived by adding or subtracting an offset to or from the maximum value among the intra-prediction mode of a neighboring block that is above the current block and the intra-prediction mode of a neighboring block that is to the left of the current block.
    Type: Application
    Filed: September 15, 2023
    Publication date: January 4, 2024
    Inventor: Bae Keun LEE
  • Publication number: 20240004427
    Abstract: A method of manufacturing an electronic apparatus includes the steps of: providing an electronic panel defining a through hole; providing an electronic module having at least a portion thereof received in the through hole; providing a protective member having a first surface adjacent to the electronic panel, a hole area overlapping the through hole, a peripheral area surrounding the hole area, and a second surface facing the first surface and spaced apart from the electronic module, the providing of the protective member including: providing an unfinished protective member; attaching a film to the peripheral area; and forming a generally concave-convex pattern by contacting an acid solution with the hole area.
    Type: Application
    Filed: September 18, 2023
    Publication date: January 4, 2024
    Inventors: SANG KEUN LEE, Hanjong YOO
  • Publication number: 20240007616
    Abstract: An image decoding method according to the present invention includes: a step for determining a reference sample line of a current block; a step for determining whether candidate intra-prediction modes identical to the intra-prediction mode of the current block exist; a step for deriving the intra-prediction mode of the current block on the basis of the determination; and a step for performing intra-prediction on the current block on the basis of the reference sample line and the intra-prediction mode. Here, at least one of the candidate intra prediction modes may be derived by adding or subtracting an offset to or from the maximum value among the intra-prediction mode of a neighboring block that is above the current block and the intra-prediction mode of a neighboring block that is to the left of the current block.
    Type: Application
    Filed: September 13, 2023
    Publication date: January 4, 2024
    Inventor: Bae Keun LEE
  • Patent number: 11863745
    Abstract: A video decoding method according to the present invention may comprise: a step for determining whether to divide a current block into a plurality of sub-blocks; a step for determining an intra prediction mode for the current block; and a step for performing intra prediction for each sub-block on the basis of the intra prediction mode, when the current block is divided into the plurality of sub-blocks.
    Type: Grant
    Filed: January 27, 2023
    Date of Patent: January 2, 2024
    Assignee: Apple Inc.
    Inventor: Bae Keun Lee
  • Publication number: 20230419877
    Abstract: A display device, includes: a scan driver configured to sequentially supply scan signals having a turn-on level to the first scan line and the second scan line during a first period and to concurrently supply scan signals having a turn-on level to the first scan line and the second scan line during a second period after the first period, wherein: a mask period corresponds to a difference between a start point of the second period and a start point of the first period in a next frame period, a first frame period and a second frame period have different mask periods, a third frame period between the first frame period and the second frame period has a same mask period as the first frame period, and a fourth frame period between the first frame period and the second frame period has a same mask period as the second frame period.
    Type: Application
    Filed: September 11, 2023
    Publication date: December 28, 2023
    Inventors: Sang Su HAN, Kyun Ho KIM, Seong Jun KIM, Jung Taek KIM, Hyung Keun PARK, Joon Suk BAIK, Se Keun LEE
  • Publication number: 20230414135
    Abstract: Proposed is a biosensor including a first specimen inlet configured to provide a space through which a specimen flows inside, an electrode element configured to measure an electromechanical signal of the flowing-in specimen, a chamber configured to provide a space in which an electrochemical reaction of the flowing-in specimen occurs, and a first specimen outlet configured to provide a space through which the flowing-in specimen flows outside, in which a moisture absorber is disposed in the chamber.
    Type: Application
    Filed: September 10, 2021
    Publication date: December 28, 2023
    Inventors: Min-Soo YOO, Young-Keun LEE, Soo-Ho CHO, Seung-Hwan CHON
  • Publication number: 20230421799
    Abstract: An image decoding method according to the present disclosure comprises the steps of: generating a merge candidate list in a current block; specifying one of a plurality of merge candidates included in the merge candidate list; deriving a first affine seed vector and a second affine seed vector of the current block on the basis of a first affine seed vector and a second affine seed vector of the specified merge candidate; deriving an affine vector for a subblock in the current block, using the first affine seed vector and the second affine seed vector of the current block; and performing motion compensation prediction for the subblock on the basis of the affine vector.
    Type: Application
    Filed: July 10, 2023
    Publication date: December 28, 2023
    Inventor: Bae Keun LEE
  • Patent number: 11854323
    Abstract: A method of controlling access of a user terminal comprising: acquiring a received signal strength indicator (RSSI) of a signal received from an access control device; acquiring a first distance variable based on the RSSI, the first distance variable being related to a distance between the user terminal and the access control device; acquiring a second distance variable based on the first distance variable; and transmitting a signal for providing authentication information of the user terminal to the access control device.
    Type: Grant
    Filed: August 1, 2022
    Date of Patent: December 26, 2023
    Assignee: MOCA SYSTEM INC.
    Inventors: Jae Hyun Kyung, Jong Keun Lee
  • Patent number: 11855053
    Abstract: A display device includes a base layer including a display area and a non-display area; and pixels disposed in the display area, each of the pixels including sub-pixels. Each of the sub-pixels includes a pixel circuit layer and a display element layer disposed on the pixel circuit layer. The display element layer includes a partition wall disposed in each of the sub-pixels; a bank disposed between adjacent ones of the sub-pixels; a first electrode and a second electrode disposed on the partition wall and spaced apart from each other; a reflective pattern disposed on the bank; and at least one light emitting element disposed between the first electrode and the second electrode.
    Type: Grant
    Filed: June 13, 2019
    Date of Patent: December 26, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Tae Jin Kong, Myeong Hee Kim, Hee Keun Lee
  • Publication number: 20230408295
    Abstract: A method for setting a threshold value of a sensor is provided.
    Type: Application
    Filed: October 20, 2021
    Publication date: December 21, 2023
    Inventor: Won Keun LEE
  • Publication number: 20230412834
    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: August 28, 2023
    Publication date: December 21, 2023
    Inventor: Bae Keun LEE
  • Publication number: 20230408034
    Abstract: A supply control system for a tank utilized in a semiconductor manufacturing process is disclosed.
    Type: Application
    Filed: September 16, 2021
    Publication date: December 21, 2023
    Inventors: WILLIAM THOMAS PILTZ, CYNTHIA LEE HUGHES, JOHN PAUL PREGO, SHAWN S. CABLE, SANG-JAE YIM, ANTHONY JOHN SMITH, JIHOON KIM, SANG-KEUN LEE, YONG-TAE KIM, TAE-UG KANG, HO-SAN KWON, SUNG-UP JANG, YOUNG-SOO CHOI, HYO-JONG HWANG, BANG-YEON YU
  • Publication number: 20230412838
    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: August 30, 2023
    Publication date: December 21, 2023
    Applicant: KT CORPORATION
    Inventors: Bae Keun LEE, Joo Young KIM