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).

  • Patent number: 11798482
    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: Grant
    Filed: May 16, 2022
    Date of Patent: October 24, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: Se-Hwan Kim, Tae-Keun Lee, Min-Su Kim, Hae-Jun Park, Young-Taek Hong
  • Publication number: 20230336717
    Abstract: A method for decoding a video according to the present invention may comprise: determining a first prediction mode for a first sub-block in a current block and a second intra prediction mode for a second sub-block, performing a first prediction for the first sub-block based on the first intra prediction mode, performing a second prediction for the second sub-block based on the second intra prediction mode, and obtaining a prediction sample of the current block according to a result of the first prediction and the second prediction.
    Type: Application
    Filed: June 19, 2023
    Publication date: October 19, 2023
    Applicant: KT CORPORATION
    Inventor: Bae Keun LEE
  • Publication number: 20230336768
    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: Application
    Filed: June 16, 2023
    Publication date: October 19, 2023
    Inventor: Bae Keun LEE
  • Publication number: 20230328277
    Abstract: A method for decoding a video according to the present invention may comprise: determining an intra prediction mode of a current block, deriving reference samples from neighboring samples of the current block, obtaining a first prediction sample for the current block, based on the intra prediction mode and the reference samples, determining an offset for the first prediction sample, and obtaining a second prediction sample by applying the offset to the first prediction sample.
    Type: Application
    Filed: May 24, 2023
    Publication date: October 12, 2023
    Applicant: KT CORPORATION
    Inventor: Bae Keun LEE
  • Publication number: 20230328228
    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: Application
    Filed: March 16, 2023
    Publication date: October 12, 2023
    Inventor: Bae Keun Lee
  • Patent number: 11785257
    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: Grant
    Filed: January 12, 2022
    Date of Patent: October 10, 2023
    Assignee: KT CORPORATION
    Inventors: Bae Keun Lee, Joo Young Kim
  • Patent number: 11782479
    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: Grant
    Filed: November 5, 2020
    Date of Patent: October 10, 2023
    Assignee: Samsung Display Co., LTD.
    Inventors: Sang Keun Lee, Hanjong Yoo
  • Patent number: 11785228
    Abstract: A method of video decoding according to the present invention may comprise determining an intra prediction mode of a current block, determining a DC value using reference samples adjacent to the current block when the intra prediction mode of the current block is a DC mode, and deriving a prediction sample of the current block based on the DC value.
    Type: Grant
    Filed: June 8, 2022
    Date of Patent: October 10, 2023
    Assignee: KT CORPORATION
    Inventor: Bae Keun Lee
  • Publication number: 20230316994
    Abstract: A display device includes: a plurality of pixel blocks each including a plurality of pixels; a scan driver supplying a scan signal to the scan lines and to supply a control signal to the control lines; a data driver supplying an image data voltage or a low grayscale data voltage to the data lines; and a power supply supplying a reference voltage to the pixels, wherein the pixels are configured to receive the image data voltage during a first scan period of a frame, and to receive the low grayscale data voltage during a second scan period of the frame, and the reference voltage supplied to a first pixel row of at least one of the pixel blocks in the first scan period is different from the reference voltage supplied to a last pixel row of at least one of the pixel blocks in the first scan period.
    Type: Application
    Filed: June 1, 2023
    Publication date: October 5, 2023
    Inventors: Jung Taek KIM, Sang Su HAN, Kyun Ho KIM, Hyung Keun PARK, Joon Suk BAIK, Se Keun LEE
  • Publication number: 20230319273
    Abstract: An image signal decoding method according to an embodiment of the present disclosure comprises the steps of: splitting a current picture into a plurality of tiles; decoding split information indicating a slice type, wherein the split information indicates whether a rectangular slice is to be applied; and when the split information indicates that the rectangular slice is to be applied, determining a slice on the basis of information indicating the size of a slice.
    Type: Application
    Filed: June 7, 2023
    Publication date: October 5, 2023
    Inventor: Bae Keun LEE
  • Patent number: 11777064
    Abstract: A method of repairing a display device, in which the display device includes a defective pixel area including a defective wavelength conversion patter, the method including removing the defective wavelength conversion pattern of the defective pixel area, injecting ink including a wavelength conversion material into the defective pixel area, and curing the ink injected into the defective pixel area.
    Type: Grant
    Filed: September 21, 2020
    Date of Patent: October 3, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ill Won Park, Ki Dae Shin, Joong Keun Lee
  • Patent number: 11776962
    Abstract: An integrated circuit device is provided. The integrated circuit device includes a fin-type active region that extends in a first direction on a substrate, a gate structure that intersects with the fin-type active region and extends in a second direction, perpendicular to the first direction, on the substrate, and a first contact structure that is disposed on the gate structure, and has a greater width at a top surface than a bottom surface thereof.
    Type: Grant
    Filed: April 7, 2022
    Date of Patent: October 3, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hong-sik Shin, Heung-sik Park, Do-haing Lee, In-keun Lee, Seung-ho Chae, Ha-young Choi
  • Publication number: 20230301258
    Abstract: The present invention relates to a culturing apparatus for culturing potato tissue, the culturing apparatus including a culture table including a plurality of vertical frame parts erected to be spaced apart from each other and a horizontal frame part connecting the vertical frame parts, a shelf part which slidably moves on the horizontal frame part, on which a culture container which accommodates a plantlet cultured in a medium is seated and which includes a plurality of hole parts on a bottom surface thereof, a light emitting diode (LED) light source unit that is installed in the culture table and irradiates the culture container with a light beam, a condensation measurement unit that is installed in the shelf part and measures condensation generated in the culture container by irradiating the culture container with infrared rays, and a cooling unit that is installed in the culture table, is electrically connected to the condensation measurement unit, and circulates cooling water passing through the LED ligh
    Type: Application
    Filed: October 19, 2022
    Publication date: September 28, 2023
    Applicant: E GREEN GLOBAL CO., LTD.
    Inventors: Dong Keun Lee, Dong Won Lee
  • Patent number: 11769897
    Abstract: A fuel cell includes a cell stack including unit cells stacked in a first direction, first and second end plates at first and second ends of the cell stack, respectively, the first and second end plates each including a metal part and a resin part, an enclosure engaged with the first and second end plates to surround the cell stack, a first outer gasket between the resin part of the first end plate and the enclosure and a second outer gasket between the resin part of the second end plate and the enclosure, each of the resin parts including cutoff portions spaced apart from each other, and each of the cutoff portions extending in a second direction intersecting the first direction or in a third direction intersecting each of the first direction and the second direction to expose the metal parts.
    Type: Grant
    Filed: March 25, 2021
    Date of Patent: September 26, 2023
    Assignees: Hyundai Motor Company, Kia Motors Corporation, DaeWon Kang Up Co., Ltd.
    Inventors: Jae Min Ahn, Yong Suk Heo, Gin Ook Song, Byung Keun Lee
  • Publication number: 20230300324
    Abstract: A method of video decoding according to the present invention may comprise determining an intra prediction mode of a current block, determining a DC value based on at least one of top reference samples or left reference samples of the current block when the intra prediction mode of the current block is a DC mode, and deriving a prediction sample of the current block based on the DC value.
    Type: Application
    Filed: May 24, 2023
    Publication date: September 21, 2023
    Applicant: KT CORPORATION
    Inventor: Bae Keun LEE
  • Publication number: 20230300331
    Abstract: An image decoding method according to the present invention may include: a step for dividing a picture into a plurality of tiles; and a step for determining at least one slice on the basis of the plurality of tiles. Here, the step for dividing a picture into a plurality of tiles may include: a step for determining the width of a first tile column in the picture; and a step for determining the width of a second tile column neighboring the first tile column.
    Type: Application
    Filed: March 2, 2023
    Publication date: September 21, 2023
    Inventor: Bae Keun Lee
  • Publication number: 20230291923
    Abstract: A method for decoding a video according to the present invention may comprise: decoding information indicating whether a non-zero transform coefficient exists in a current block, when the information indicates that the non-zero transform coefficient exists in the current block, determining a scanning order of the current block, and decoding a transform coefficient included in the current block according to the determined scanning order.
    Type: Application
    Filed: May 22, 2023
    Publication date: September 14, 2023
    Applicant: KT CORPORATION
    Inventor: Bae Keun LEE
  • Publication number: 20230287096
    Abstract: The present disclosure provides antibodies that specifically bind to human FAM19A5 and compositions comprising such antibodies. Also provided herein are methods for treating fibrosis or cancer using the anti-FAM19A5 antibodies.
    Type: Application
    Filed: March 2, 2023
    Publication date: September 14, 2023
    Applicant: Neuracle Science Co., Ltd.
    Inventors: Bongcheol KIM, Jae-Keun LEE, Dong Sik KIM, Junho CHUNG, Junyeong JIN
  • Publication number: 20230291929
    Abstract: An image decoding method according to the present invention may comprise determining an intra prediction mode of a current block, deriving reference samples of the current block, and obtaining a prediction sample of the current block using at least one of the reference samples.
    Type: Application
    Filed: May 18, 2023
    Publication date: September 14, 2023
    Applicant: KT CORPORATION
    Inventor: Bae Keun LEE
  • Patent number: 11756474
    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: Grant
    Filed: December 30, 2022
    Date of Patent: September 12, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang Su Han, Kyun Ho Kim, Seong Jun Kim, Jung Taek Kim, Hyung Keun Park, Joon Suk Baik, Se Keun Lee