Patents by Inventor Kwangwoo An

Kwangwoo An 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: 20240179961
    Abstract: There is provided a display apparatus including a mask layer having a plurality of openings, a substrate located below the mask layer and having a plurality of first grooves corresponding to the plurality of openings, an inorganic insulating layer located on the mask layer and having through holes corresponding to at least some of the plurality of openings, and an organic insulating layer located on the inorganic insulating layer and filling the through holes.
    Type: Application
    Filed: August 3, 2023
    Publication date: May 30, 2024
    Inventors: Yongseon Jo, Kwangwoo Park, Donghwan Shim, Eonjoo Lee, Jinyong Lee, Cheol Jang
  • Publication number: 20240152289
    Abstract: There is provided a storage device, which includes: a memory device that includes a plurality of memory blocks, and stores first meta data including first status data and a first parameter in a first memory block among the plurality of memory blocks; and a memory controller that stores second meta data including second status data and second parameters, determines final meta data among a plurality of pieces of meta data including the first meta data and the second status data by comparing a plurality of pieces of status data with the first status data and the second status data, performs parameter confirmation for storing the final meta data in the meta block, and controls the memory device based on a parameter stored in the meta block.
    Type: Application
    Filed: May 12, 2023
    Publication date: May 9, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: SANGJIN YOO, KWANGWOO LEE, HEEWON LEE, Byungchan Park, HYOJIN AHN, DONGCHEUL JANG
  • Publication number: 20240155896
    Abstract: A display device is disclosed that includes a substrate, a scan line disposed on the substrate and extending in a first direction, a data line disposed on the substrate and extending in a second direction crossing the first direction, a first transistor disposed on the substrate and including a first semiconductor layer and a first gate electrode overlapping the first semiconductor layer, a second transistor including a second semiconductor layer electrically connected to the first transistor and the data line, and a second gate electrode overlapping the second semiconductor layer and electrically connected to the scan line, at least one inorganic insulating layer disposed on the substrate, and an auxiliary transistor disposed at an opposite side to the second transistor with a valley defined in the at least one inorganic insulating layer therebetween, wherein the auxiliary transistor is electrically connected to the data line and the scan line.
    Type: Application
    Filed: November 2, 2023
    Publication date: May 9, 2024
    Inventors: Kwangwoo Park, Donghwan Shim, Eonjoo Lee, Jinyong Lee, Cheol Jang, Yongseon Jo
  • Publication number: 20240081123
    Abstract: A display apparatus includes a substrate, a first light-emitting element disposed over the substrate to emit light, a first dummy light-emitting element disposed over the substrate to emit light of a same color as a color of the light emitted from the first light-emitting element, an input sensing layer disposed on the first light-emitting element and the first dummy light-emitting element, and a light-blocking layer disposed on the input sensing layer, where an opening is defined through the light-blocking layer to overlap the first light-emitting element, and the input sensing layer includes a diffraction structure disposed to overlap the first dummy light-emitting element.
    Type: Application
    Filed: February 16, 2023
    Publication date: March 7, 2024
    Inventors: Eonjoo LEE, Kwangwoo PARK, Donghwan SHIM, Jinyong LEE, Cheol JANG, Yongseon JO
  • Patent number: 11917257
    Abstract: The present disclosure relates to a display device and a display system for providing lyrics when reproducing music of the external device, regardless of a connection state of an external device. The display device includes: a display; a controller configured to receive a music reproduction command through an external device; and an audio output interface configured to output music received from the external device, wherein, when the controller receives the music reproduction command, the controller is configured to request lyric information to the external device, and when the controller receives the lyric information from the external device, the controller is configured to display lyrics through the display while outputting the music.
    Type: Grant
    Filed: November 26, 2019
    Date of Patent: February 27, 2024
    Assignee: LG ELECTRONICS INC.
    Inventors: Changbum Koo, Dahee Kim, Kwangwoo Heo, Jongho Hong
  • Patent number: 11915640
    Abstract: A pixel circuit includes a light-emitting element, a write transistor writing a data voltage, a driving transistor generating a driving current based on the data voltage and applying the driving current to the light-emitting element, a first initialization transistor applying a first initialization voltage to a control electrode of the driving transistor, a blocking transistor disposed between the light-emitting element and the driving transistor, a first blocking control transistor including a control electrode connected to the control electrode of the driving transistor, a first electrode receiving a first signal, and a second electrode connected to a control electrode of the blocking transistor, and a second blocking control transistor including a control electrode connected to the control electrode of the driving transistor, a first electrode receiving a second signal, and a second electrode connected to the control electrode of the blocking transistor.
    Type: Grant
    Filed: March 9, 2023
    Date of Patent: February 27, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Donghwan Shim, Kwangwoo Park, Eonjoo Lee, Jin-Yong Lee, Cheol Jang, Yongseon Jo
  • Patent number: 11914892
    Abstract: A storage device includes a non-volatile memory including memory blocks, and a storage controller including a history buffer including plural history read level storage areas corresponding to the memory blocks. The storage controller dynamically adjusts a number of the history read level storage areas allocated to one or more of the plurality of memory blocks based on reliabilities of the memory blocks during runtime of the storage device. The storage controller increases a number of history read level storage areas allocated to a first memory block among the memory blocks that has a relatively low reliability with respect to the reliabilities of remaining ones of the memory blocks.
    Type: Grant
    Filed: May 11, 2022
    Date of Patent: February 27, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kwangwoo Lee, Sangjin Yoo, Yeonji Kim, Jeongkeun Park, Jeongwoo Lee
  • Patent number: 11899872
    Abstract: A display apparatus is disclosed that includes a substrate, a partition wall, and wiring. The substrate includes a display area and a peripheral area. The partition wall is arranged in the peripheral area. The wiring is arranged over the substrate extends from the display area to the peripheral area, and inserted into the partition wall or passes through the partition wall. The wiring includes at least one through hole.
    Type: Grant
    Filed: February 23, 2022
    Date of Patent: February 13, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kwangwoo Park, Yoonho Kim, Minjung Ann, Jinwhan Jung, Jinho Ju, Sanghyun Choi, Yechan Choi
  • Publication number: 20240046853
    Abstract: A pixel circuit includes a light-emitting element, a write transistor writing a data voltage, a driving transistor generating a driving current based on the data voltage and applying the driving current to the light-emitting element, a first initialization transistor applying a first initialization voltage to a control electrode of the driving transistor, a blocking transistor disposed between the light-emitting element and the driving transistor, a first blocking control transistor including a control electrode connected to the control electrode of the driving transistor, a first electrode receiving a first signal, and a second electrode connected to a control electrode of the blocking transistor, and a second blocking control transistor including a control electrode connected to the control electrode of the driving transistor, a first electrode receiving a second signal, and a second electrode connected to the control electrode of the blocking transistor.
    Type: Application
    Filed: March 9, 2023
    Publication date: February 8, 2024
    Inventors: DONGHWAN SHIM, KWANGWOO PARK, EONJOO LEE, JIN-YONG LEE, CHEOL JANG, YONGSEON JO
  • Patent number: 11862261
    Abstract: In a method of writing data in a nonvolatile memory device, a write command, a write address and write data to be programmed are received. Offset information representing a verification level is received. The offset information is provided when the write data corresponds to a distribution deterioration pattern by checking an input/output (I/O) pattern of the write data. When the offset information is received, the write data is programmed based on the offset information such that at least one state among a plurality of states included in a distribution of threshold voltages of memory cells in which the write data is stored is changed.
    Type: Grant
    Filed: August 4, 2021
    Date of Patent: January 2, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kwangwoo Lee, Chanha Kim, Heewon Lee
  • Publication number: 20230389089
    Abstract: According to an embodiment of the present disclosure, a terminal may include a display; a Near Field Communication (NFC) circuit configured to perform NFC communication with a remote control device of a display device; a Bluetooth circuit; and a processor configured to transmit, to the remote control device, an NFC tagging signal, and transmit, to the display device, a request for the display device to establish Bluetooth connection with a selected external device that is Bluetooth-connected to the terminal in response to the NFC tagging signal.
    Type: Application
    Filed: August 18, 2022
    Publication date: November 30, 2023
    Applicant: LG ELECTRONICS INC.
    Inventors: Kwangwoo HEO, Dahee KIM
  • Publication number: 20230337503
    Abstract: A display panel including a pixel defining layer including a first portion, in which an opening to expose the first electrode is defined, and a second portion, which is disposed on the first portion and overlaps the first portion. A plurality of thin-films are disposed on the second electrode. An insulation pattern is disposed on the plurality of thin-films, overlaps the pixel defining layer, and overlaps the second portion. A distance between the first portion, which overlaps the insulation pattern, of the sensing electrode and the base insulation layer is greater than that between the second portion, which non-overlaps the insulation pattern, of the sensing electrode and the base insulation layer.
    Type: Application
    Filed: June 18, 2023
    Publication date: October 19, 2023
    Inventors: Hyeonbum LEE, Hyoeng-Ki KIM, Kwangwoo PARK, Jin-whan JUNG
  • Patent number: 11758773
    Abstract: A display device includes a substrate including a first pixel area, a second pixel area spaced apart from the first pixel area, and a valley area between the first pixel area and the second pixel area, a first insulating layer on the substrate and in both the first pixel area and the second pixel area, a penetration hole through the first insulating layer and corresponding to the valley area, the penetration hole exposing a side surface of the first insulating layer and an upper surface of the substrate to outside the first insulating layer, a crack prevention pattern which is in the penetration hole and covers the side surface of the first insulating layer, and a second insulating layer facing the first insulating layer with the crack prevention pattern therebetween, the second insulating layer in contact with the upper surface of the substrate at the penetration hole.
    Type: Grant
    Filed: May 13, 2021
    Date of Patent: September 12, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin-Yong Lee, Jinho Ju, Kwangwoo Park, Minjung Ann
  • Patent number: 11747926
    Abstract: A display apparatus includes a display panel in which a display area to display an image and a non-display area adjacent to the display area are defined, and in which a central area and a peripheral area in a periphery of the central area are defined in the display area, a touch sensor on the display panel, the touch sensor including a touch electrode layer, and a black matrix on the display panel. The black matrix includes a first black matrix in the central area and a second black matrix in the peripheral area. The second black matrix is on layer of the display panel that is higher than the first black matrix.
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: September 5, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyeonbum Lee, Jeongwon Kim, Kwangwoo Park, Junhyuk Woo
  • Publication number: 20230268465
    Abstract: A display apparatus includes a substrate, a first silicon-based transistor including a first semiconductor layer and a first gate electrode. The first semiconductor layer includes a silicon-based semiconductor, and the first gate electrode overlaps the first semiconductor layer, at least one insulating layer on the first gate electrode, a first oxide-based transistor including a semiconductor layer. The semiconductor layer includes an oxide-based semiconductor, a first connection electrode electrically connecting the first semiconductor layer to the semiconductor layer of the first oxide-based transistor, and a bottom metal layer disposed between the substrate and the first silicon-based transistor and overlapping a portion of the first semiconductor layer of the first silicon-based transistor. A portion of the bottom metal layer overlaps a first connection point between a portion of the first semiconductor layer and the first connection electrode.
    Type: Application
    Filed: February 23, 2023
    Publication date: August 24, 2023
    Inventors: Yechan CHOI, Kwangwoo PARK, Jinyong LEE
  • Patent number: 11723254
    Abstract: A display panel including a pixel defining layer including a first portion, in which an opening to expose the first electrode is defined, and a second portion, which is disposed on the first portion and overlaps the first portion. A plurality of thin-films are disposed on the second electrode. An insulation pattern is disposed on the plurality of thin-films, overlaps the pixel defining layer, and overlaps the second portion. A distance between the first portion, which overlaps the insulation pattern, of the sensing electrode and the base insulation layer is greater than that between the second portion, which non-overlaps the insulation pattern, of the sensing electrode and the base insulation layer.
    Type: Grant
    Filed: October 24, 2021
    Date of Patent: August 8, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyeonbum Lee, Hyoeng-Ki Kim, Kwangwoo Park, Jin-Whan Jung
  • Publication number: 20230096198
    Abstract: The present invention provides a vehicle control device that enhances safety in an event of a collision of a vehicle. The vehicle control device includes: a speed calculator that calculates a vehicle speed at a time of collision when the collision of the vehicle is detected by the collision detection sensor, and a driving assist controller that performs automatic brake control based on the vehicle speed at the time of collision calculated by the speed calculator, wherein when a brake pedal is depressed at the time of collision of the vehicle, the speed calculator calculates the vehicle speed at the time of collision based on a highest of respective detected values by the wheel speed sensors for a plurality of wheels.
    Type: Application
    Filed: September 26, 2022
    Publication date: March 30, 2023
    Inventors: Hisanori YANAGIDA, Satoshi SEINO, Zhenxiong HUANG, Kwangwoo SEO
  • Patent number: 11608068
    Abstract: A drive force control apparatus includes a drive force control section that has a steady drive force, a filtered drive force obtained by performing a filtering process on the steady drive force, and an internal drive force, which is calculated from a traction requested drive force, input thereto, and sets a target drive force based on the steady drive force, the filtered drive force, and the internal drive force. The drive force control section implements post-operation processing after control for causing the internal drive force to be the target drive force ends. In the post-operation processing, a new internal drive force, which is calculated based on a large-small relationship among the steady drive force, the filtered drive force, and the previously calculated internal drive force, is set as the target drive force.
    Type: Grant
    Filed: March 11, 2021
    Date of Patent: March 21, 2023
    Assignee: Honda Motor Co., Ltd.
    Inventors: Hisanori Yanagida, Kwangwoo Seo
  • Publication number: 20230066982
    Abstract: A storage device includes a non-volatile memory including memory blocks, and a storage controller including a history buffer including plural history read level storage areas corresponding to the memory blocks. The storage controller dynamically adjusts a number of the history read level storage areas allocated to one or more of the plurality of memory blocks based on reliabilities of the memory blocks during runtime of the storage device. The storage controller increases a number of history read level storage areas allocated to a first memory block among the memory blocks that has a relatively low reliability with respect to the reliabilities of remaining ones of the memory blocks.
    Type: Application
    Filed: May 11, 2022
    Publication date: March 2, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kwangwoo Lee, Sangjin Yoo, Yeonji Kim, Jeongkeun Park, Jeongwoo Lee
  • Patent number: 11587996
    Abstract: A display apparatus includes a first transistor, a first pixel electrode, a second transistor, and a second pixel electrode. The first transistor includes a first drain electrode. The first pixel electrode is positioned between an edge of the display apparatus and a center of the display apparatus and includes a first recessed structure. The first recessed structure directly contacts the first drain electrode. The second transistor includes a second drain electrode. The second pixel electrode is positioned between the edge of the display apparatus and the first pixel electrode and includes at least one recessed structure. The at least one recessed structure includes a second recessed structure. The second recessed structure directly contacts the second drain electrode. A total maximum width of the at least one recessed structure is greater than a maximum width of the first recessed structure.
    Type: Grant
    Filed: November 3, 2020
    Date of Patent: February 21, 2023
    Inventors: Eonjoo Lee, Hyoeng-Ki Kim, Kwangwoo Park, Dongki Lee, Jin-Whan Jung