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: 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
  • Patent number: 11758176
    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: Grant
    Filed: December 3, 2021
    Date of Patent: September 12, 2023
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventor: Bae Keun Lee
  • Publication number: 20230283773
    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: Application
    Filed: January 27, 2023
    Publication date: September 7, 2023
    Inventor: Bae Keun Lee
  • Patent number: 11745641
    Abstract: A vehicle lamp and a method for manufacturing a vehicle lamp. The vehicle lamp includes a lower substrate, a fluorescent film and a color filter stacked in this order. The fluorescent film and the color filter include polydimethylsiloxane (PDMS).
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: September 5, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Junhaeng Lee, Deok Hwan Kim, Yeon Keun Lee
  • Patent number: 11749208
    Abstract: A display device includes: a pixel connected to each of a first scan line, a second scan line, and a data line; a scan driver supplying a first scan signal to the first scan line and a second scan signal to the second scan line; a controller dividing one frame period into an active period and a blank period and generating a count signal in which a time duration of the blank period is counted and a power control signal; a data driver supplying a data signal to the data line; and a power supply controlling a source driving voltage supplied to the data driver according to a duration of the blank period based on the power control signal. When the count signal reaches a reference value, the controller supplies a start signal for output of the first scan signal to the scan driver.
    Type: Grant
    Filed: September 20, 2022
    Date of Patent: September 5, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kyun Ho Kim, Jung Taek Kim, Hong Kyu Kim, Hyung Keun Park, Joon Suk Baik, Young Soo Sohn, Yong Jin Shin, Se Keun Lee
  • Patent number: 11749783
    Abstract: A light emitting device includes first and second electrodes disposed on a substrate and spaced apart from each other; at least one light emitting diode disposed between the first and second electrodes; an insulating pattern overlapping an upper portion of the at least one light emitting diode and exposing first and second ends of the at least one light emitting diode; a first contact electrode electrically connecting the first end of the at least one light emitting diode to the first electrode; and a second contact electrode electrically connecting the second end of the at least one light emitting diode to the second electrode. The insulating pattern may completely overlap the first and second ends of the at least one light emitting diode in a plan view, and have a width reducing toward a lower portion of the insulating pattern.
    Type: Grant
    Filed: January 17, 2019
    Date of Patent: September 5, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Veidhes Basrur, Xinxing Li, Hee Keun Lee, Chang Il Tae, Tae Jin Kong, Myeong Hee Kim
  • Patent number: 11750833
    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: November 16, 2021
    Date of Patent: September 5, 2023
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNCATIONS CORP., LTD.
    Inventor: Bae Keun Lee
  • Patent number: 11740551
    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: Grant
    Filed: November 23, 2018
    Date of Patent: August 29, 2023
    Inventors: Jun Haeng Lee, Yeon Keun Lee, Jung Doo Kim, Han Min Seo, Cheol Ock Song, Nam Seok Bae
  • Patent number: 11741878
    Abstract: A display device includes a plurality of pixels, a power supply, a voltmeter, and a timing controller. The power supply is configured to generate an initialization voltage to be supplied to a sensing pixel among the pixels. The voltmeter is configured to measure a first value of the initialization voltage supplied to the sensing pixel during an active period of a frame period and a second value of the initialization voltage supplied to the sensing pixel during a vertical blank period of the frame period. The timing controller is configured to generate rewrite image data that is supplied to the sensing pixel during the vertical blank period. The rewrite image data is generated from image data applied to the pixels during the active period and a difference between the first and second values.
    Type: Grant
    Filed: September 27, 2021
    Date of Patent: August 29, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jung Taek Kim, Jae Woo Ryu, Joon Suk Baik, Se Keun Lee
  • Patent number: 11742460
    Abstract: A display device includes: a substrate having a display area and a non-display area; and a pixel in each of a pixel area in the display area. Each of the pixels includes: an insulating layer on the substrate and having an opening; first and second electrodes on the insulating layer and spaced apart from each other; a plurality of light emitting elements in the opening; a first contact electrode electrically connecting one end of the light emitting elements and the first electrode to each other; a second contact electrode electrically connecting another end of the light emitting elements and the second electrode to each other; a first insulating pattern on the first contact electrode; and a second insulating pattern on the second contact electrode. The first insulating pattern and the second insulating pattern are on the same layer and spaced apart from each other.
    Type: Grant
    Filed: November 13, 2020
    Date of Patent: August 29, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung Min Lee, Jin Taek Kim, Baek Hyeon Lim, Jin Yeong Kim, Kyung Tae Chae, Jung Hwan Yi, Hee Keun Lee
  • Patent number: 11743455
    Abstract: A method for decoding a video according to the present invention, may comprise determining whether bi-directional intra prediction is applied to a current block, deriving a reference sample of the current block, and when the bi-directional intra prediction is applied to the current block, based on a first reference sample and a second reference sample specified by an intra prediction mode of the current block, obtaining a prediction sample of the current block.
    Type: Grant
    Filed: June 9, 2022
    Date of Patent: August 29, 2023
    Assignee: KT CORPORATION
    Inventor: Bae Keun Lee
  • Patent number: 11744073
    Abstract: A semiconductor device includes gate electrodes and interlayer insulating layers that are alternately stacked on a substrate, channel structures spaced apart from each other in a first direction and extending vertically through the gate electrodes and the interlayer insulating layers to the substrate, and a first separation region extending vertically through the gate electrodes and the interlayer insulating layers. Each gate electrode includes a first conductive layer and a second conductive layer, the first conductive layer disposed between the second conductive layer and each of two adjacent interlayer insulating layers. In a first region, between an outermost channel structure and the first separation region, of each gate electrode, the first conductive layer has a decreasing thickness toward the first separation region and the second conductive layer has an increasing thickness toward the first separation region.
    Type: Grant
    Filed: November 19, 2021
    Date of Patent: August 29, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Taisoo Lim, Kyungwook Park, Keun Lee, Hauk Han
  • Patent number: 11743481
    Abstract: A method for decoding a video according to the present invention may comprise: decoding information indicating whether illumination compensation is performed for a current block, determining an illumination compensation parameter of the current block when the information indicates that the illumination compensation is performed for the current block, obtaining a prediction block by performing inter prediction for the current block, and performing the illumination compensation on the current block using the illumination compensation parameter.
    Type: Grant
    Filed: June 7, 2022
    Date of Patent: August 29, 2023
    Assignee: KT CORPORATION
    Inventor: Bae Keun Lee
  • Patent number: 11743472
    Abstract: A method for processing a video signal according to the present invention comprises: determining a length of a current string, which is decoded on the basis of a sample string matching technique in a current block; determining a reference string on the basis of at least one between the length of the current string and a string vector for the current string; and predicting the current string using the reference string.
    Type: Grant
    Filed: June 24, 2021
    Date of Patent: August 29, 2023
    Assignee: KT CORPORATION
    Inventors: Bae Keun Lee, Joo Young Kim