Patents by Inventor Kang-Hyun Kim

Kang-Hyun Kim 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: 12262606
    Abstract: A display device including a substrate, a first upper power line, a conductive member, a protective insulating layer, an upper connection member, and a sub-pixel structure. The upper connection member is disposed in a first pad area and a first peripheral area on a planarization layer, and electrically connects the first upper power line and the conductive member through a first contact hole, which is formed in the protective insulating layer and the planarization layer located on the conductive member, and a second contact hole, which is formed in the protective insulating layer and the planarization layer located on the first upper power line.
    Type: Grant
    Filed: November 29, 2019
    Date of Patent: March 25, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jun-Hyun Park, Dong-Woo Kim, An-Su Lee, Kang-Moon Jo
  • Publication number: 20250095416
    Abstract: A vehicle battery control apparatus which includes a memory and a controller. For example, the vehicle battery control apparatus obtains at least one of driving durability data according to a driving state of a host vehicle or calendar aging data according to a parking state of the host vehicle, or any combination thereof, obtains degradation data of a battery of the host vehicle using at least some of the driving durability data or the calendar aging data, or the any combination thereof, and compares reference data identified based on a predetermined reference model with the degradation data to determine a degradation state of the battery.
    Type: Application
    Filed: July 24, 2024
    Publication date: March 20, 2025
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Dae Hyun JUNG, Hyun Jun JANG, Kang Seob SEO, Min Jun PARK, Woo Sung KIM, Byung Soo PARK
  • Patent number: 12238903
    Abstract: A water-cooled heat dissipation module assembly capable of cooling a power module of a vehicle driving inverter system using a battery or fuel cell. The water-cooled heat dissipation module assembly includes a housing unit provided in the form of a housing having an opening portion at least partially opened at one side thereof. The housing unit and at least a part of a rim region of the cooling unit are made of a plastic material, and the housing unit and the cooling unit are joined to each other by plastic welding using a laser.
    Type: Grant
    Filed: August 4, 2022
    Date of Patent: February 25, 2025
    Assignee: DONG YANG PISTON CO., LTD.
    Inventors: Kwan Ho Ryu, Jeong Keun Lee, Min Woo Lee, Ju Hyun Sun, Tae Keun Park, Kang Wook Park, Lee Cheol Ji, Hyeok Chul Yang, Tae Heon Kim, Keun Jae Lee
  • Patent number: 12232377
    Abstract: A display device including a substrate, a first upper power line, a conductive member, a protective insulating layer, an upper connection member, and a sub-pixel structure. The upper connection member is disposed in a first pad area and a first peripheral area on a planarization layer, and electrically connects the first upper power line and the conductive member through a first contact hole, which is formed in the protective insulating layer and the planarization layer located on the conductive member, and a second contact hole, which is formed in the protective insulating layer and the planarization layer located on the first upper power line.
    Type: Grant
    Filed: November 29, 2019
    Date of Patent: February 18, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jun-Hyun Park, Dong-Woo Kim, An-Su Lee, Kang-Moon Jo
  • Patent number: 12225796
    Abstract: An organic light emitting diode display includes a clock wiring circuit including a first signal line and a second signal line, a resistance adjusting circuit including a first lower resistance line and a first upper resistance line connected to the first signal line and a second lower resistance line and a second upper resistance line connected to the second signal line, and a gate driving circuit connected to the resistance adjusting circuit. The second signal line is disposed closer to the gate driving circuit than the first signal line, the first lower resistance line and the second lower resistance line have higher resistivity than the first upper resistance line and the second upper resistance line, respectively, the first lower resistance line is shorter than the second lower resistance line, and the first upper resistance line is longer than the second upper resistance line.
    Type: Grant
    Filed: July 9, 2020
    Date of Patent: February 11, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jun Hyun Park, Dong Woo Kim, Sung Jae Moon, Kang Moon Jo
  • Patent number: 12212645
    Abstract: A clock frequency divider circuit and a receiver are provided. The clock frequency divider circuit includes a reset retimer circuit configured to receive a reset signal and a clock signal, output a reset buffer signal of a differential signal pair obtained by buffering the reset signal, and output a reset synchronization signal obtained by synchronizing the reset signal with the clock signal, a clock buffer circuit configured to receive the clock signal and the reset synchronization signal and output a clock buffer signal of a differential signal pair obtained by buffering the clock signal, and an IQ divider circuit configured to output first through fourth output signals having different phases based on the reset buffer signal and the clock buffer signal.
    Type: Grant
    Filed: September 7, 2023
    Date of Patent: January 28, 2025
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Juyun Lee, Vishnu Kalyanamahadevi Gopalan Jawarlal, Kang Jik Kim, Hyo Gyuem Rhew, Jae Hyun Park
  • Publication number: 20250022308
    Abstract: A display device including: scan lines including first and second scan lines; pixels connected to the scan lines; photo sensors connected to some of the scan lines, the photo sensors including a first photo sensor connected to the first scan line and a readout line, and a second photo sensor connected to the second scan line and the readout line; a scan driver to provide scan signals to the scan lines; and a readout circuit to receive, through the readout line, detection signals which are outputted from the photo sensors in response to the scan signals, wherein, while the scan signals are provided to the first and second scan lines, the readout circuit samples a detection signal of one of the first photo sensor and the second photo sensor without sampling a detection signal of the other one of the first photo sensor and the second photo sensor.
    Type: Application
    Filed: September 30, 2024
    Publication date: January 16, 2025
    Inventors: Il Nam KIM, Seung Hyun MOON, Dong Wook YANG, Hyun Dae LEE, Kang Bin JO, Go Eun CHA, Hee Chul HWANG
  • Publication number: 20230209951
    Abstract: Discussed is a method of manufacturing an organic light emitting display panel for simplifying a manufacturing process and enhancing display quality. The organic light emitting display panel can include a first electrode disposed in each of subpixel areas of a substrate, bank layers disposed on the substrate at a boundary portion between adjacent subpixel areas, a lateral surface of the bank layers being hydrophilic, a first organic material layer disposed on the bank layers and the first electrode, a surface of the first organic material layer on the bank layers being hydrophobic, a second organic material layer disposed on the first organic material layer between adjacent bank layers, a third organic material layer disposed on the second organic material layer and the first organic material layer, and a second electrode disposed on the third organic material layer.
    Type: Application
    Filed: October 26, 2022
    Publication date: June 29, 2023
    Applicant: LG Display Co., Ltd.
    Inventors: Kang Hyun KIM, Se Jin KIM, Hee Tae LIM
  • Publication number: 20230180531
    Abstract: An electroluminescent display device includes a substrate; a first electrode on the substrate; a connection pattern on the substrate, the connection pattern comprising a same material as the first electrode; a bank covering edges of the first electrode and the connection pattern; an auxiliary bank on the bank corresponding to the connection pattern; a light-emitting layer on the first electrode; and a second electrode on the light-emitting layer, the bank, and the auxiliary bank, wherein the auxiliary bank has a reversely inclined side surface, and wherein the light-emitting layer includes a hole auxiliary layer, a light-emitting material layer, and an electron auxiliary layer, the electron auxiliary layer has an opening exposing the connection pattern, and the second electrode contacts the connection pattern through the hole.
    Type: Application
    Filed: October 31, 2022
    Publication date: June 8, 2023
    Inventor: Kang-Hyun KIM
  • Publication number: 20230040630
    Abstract: The present invention relates to a hydrogen peroxide vapor generation device, a space sterilization apparatus including same, and a space sterilization method, including: an evaporation chamber which has a space formed therein, and includes a nozzle unit and a discharge port which are formed in an upper portion thereof; an evaporation unit which is formed in a lower inner portion of the evaporation chamber and equipped with a plurality of heating units and a hydrogen peroxide transfer pipe which are arranged in stack; and an air supply unit which is formed in a lower portion of the evaporation chamber and through which outside air is suctioned, discharged, and fed to the evaporation unit.
    Type: Application
    Filed: August 18, 2020
    Publication date: February 9, 2023
    Applicant: HUONS MEDITECH CO., LTD.
    Inventors: Sang Man LEE, Kang Hyun KIM, In Han KANG
  • Patent number: 11250760
    Abstract: A display apparatus includes a display panel, a gate driver, a data driver and a driving controller. The display panel is configured to display an image based on input image data. The gate driver is configured to output gate signals to gate lines of the display panel. The data driver is configured to output data voltages to data lines of the display panel. The driving controller includes a first compensation lookup table and a second compensation lookup table which are configured to compensate the input image data. The driving controller is configured to select one of the first compensation lookup table and the second compensation lookup table based on a first color shift and a second color shift and to apply the selected one of the first compensation lookup table and the second compensation lookup table to the input image data.
    Type: Grant
    Filed: January 12, 2021
    Date of Patent: February 15, 2022
    Inventors: Seung Hwan Park, Kang Hyun Kim, Hoi Sik Moon, Jae-Seob Chung
  • Patent number: 11210991
    Abstract: In a method of generating correction data for each of a plurality of display devices, a characteristic distribution for initial display devices among the plurality of display devices may be obtained, center characteristic compensation data may be generated based on the characteristic distribution for the initial display devices, the center characteristic compensation data may be applied to subsequent display devices that are subsequent to the initial display devices among the plurality of display devices, mura correction data and image quality correction data may be generated by performing mura correction and image quality correction on each of the subsequent display devices to which the center characteristic compensation data are applied, and the center characteristic compensation data, the mura correction data and the image quality correction data may be written into each of the subsequent display devices.
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: December 28, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae-Seob Chung, Hoi Sik Moon, Hyung Woo Yim, Kang Hyun Kim, Hak Mo Choi
  • Publication number: 20210280111
    Abstract: In a method of generating correction data for each of a plurality of display devices, a characteristic distribution for initial display devices among the plurality of display devices may be obtained, center characteristic compensation data may be generated based on the characteristic distribution for the initial display devices, the center characteristic compensation data may be applied to subsequent display devices that are subsequent to the initial display devices among the plurality of display devices, mura correction data and image quality correction data may be generated by performing mura correction and image quality correction on each of the subsequent display devices to which the center characteristic compensation data are applied, and the center characteristic compensation data, the mura correction data and the image quality correction data may be written into each of the subsequent display devices.
    Type: Application
    Filed: November 30, 2020
    Publication date: September 9, 2021
    Inventors: Jae-Seob CHUNG, Hoi Sik MOON, Hyung Woo YIM, Kang Hyun KIM, Hak Mo CHOI
  • Publication number: 20210264838
    Abstract: A display apparatus includes a display panel, a gate driver, a data driver and a driving controller. The display panel is configured to display an image based on input image data. The gate driver is configured to output gate signals to gate lines of the display panel. The data driver is configured to output data voltages to data lines of the display panel. The driving controller includes a first compensation lookup table and a second compensation lookup table which are configured to compensate the input image data. The driving controller is configured to select one of the first compensation lookup table and the second compensation lookup table based on a first color shift and a second color shift and to apply the selected one of the first compensation lookup table and the second compensation lookup table to the input image data.
    Type: Application
    Filed: January 12, 2021
    Publication date: August 26, 2021
    Inventors: Seung Hwan PARK, Kang Hyun KIM, Hoi Sik MOON, Jae-Seob CHUNG
  • Patent number: 10901271
    Abstract: A liquid-crystal display device includes a first substrate, a plurality of pixel units disposed on the first substrate, a color filter layer overlapping the plurality of pixel units and including first to third color filters, a second substrate facing the first substrate, and a liquid-crystal layer interposed between the first substrate and the second substrate. Each of the pixel units of the plurality of the pixel units includes a first pixel, a second pixel and a third pixel. The first pixel includes a first pixel electrode, the second pixel includes a second pixel electrode, and the third pixel includes a first sub-pixel electrode and a second sub-pixel electrode. A voltage applied to the first sub-pixel electrode is different from a voltage applied to the second sub-pixel electrode.
    Type: Grant
    Filed: February 28, 2019
    Date of Patent: January 26, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kang Hyun Kim, Hoi Sik Moon
  • Patent number: 10847592
    Abstract: An electroluminescent display device includes a substrate; a pixel having a first lateral side and a second lateral side that intersects the first lateral side, the pixel including an emitting diode disposed over the substrate, the emitting diode including a first electrode, an emitting layer on the first electrode, and a second electrode on the emitting layer; an insulating pattern overlapping the first lateral side of the pixel and covering a first end of the first electrode at the first lateral side of the pixel; and a bank surrounding the pixel, wherein the bank overlaps the insulating pattern at the first lateral side of the pixel, and the bank at the second lateral side of the pixel covers a second end of the first electrode.
    Type: Grant
    Filed: December 6, 2018
    Date of Patent: November 24, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Kang-Hyun Kim, Geum-Young Lee
  • Patent number: 10658440
    Abstract: An organic light emitting diode display device includes a substrate including a display region, wherein a plurality of pixel regions are defined in the display region; a first electrode over the substrate and in each of the plurality of pixel regions; a bank including a lower layer and an upper layer on the first electrode, the lower layer disposed on edges of the first electrode and having a first width and a first thickness, the upper layer disposed on the lower layer and having a second width smaller than the first width; an organic emitting layer on the first electrode and a portion of the lower layer; and a second electrode on the organic emitting layer and covering an entire surface of the display region.
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: May 19, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Dae-Jung Choi, Jae-Ki Lee, Ki-Soub Yang, Hwang-Un Seo, Hong-Myeong Jeon, Seung-Ryul Choi, A-Ryoung Lee, Han-Hee Kim, Geum-Young Lee, Kang-Hyun Kim
  • Patent number: 10563775
    Abstract: The present invention relates to a vacuum valve, and more particularly, to a vacuum valve including a valve housing with a blade, a main shaft, a vertical moving part, a horizontal moving part, a horizontal moving unit, and a main body bracket. Opening and closing guide holes are obliquely formed in both side surfaces such that cam rollers, having passed through the vertical moving guide grooves, are inserted into the grooves so as to guide the fore and aft movement of the blade according to the vertical movement of the horizontal moving unit.
    Type: Grant
    Filed: April 14, 2016
    Date of Patent: February 18, 2020
    Assignee: PRESYS.CO., LTD
    Inventors: Bae-Jin Kim, Sang Min Kim, Ki Sun Choi, Kang Hyun Kim
  • Patent number: 10490110
    Abstract: A display apparatus includes, a first pattern included in a first layer, a second pattern included in a second layer, a first test pattern including a plurality of first lines extending in a first direction and having a first width, and being spaced apart from each other, a second test pattern included in the second layer, including a central line and a plurality of second lines connected to the central line, wherein the plurality of second lines extend in the first direction have a second width, and are spaced apart from each other, and wherein at least one of the second lines is electrically connected to the first lines, and a shift tester configured to apply a test voltage to the central line to determine a degree by which the second pattern is shifted with respect to the first pattern by measuring the voltages at the first lines.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: November 26, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jong-Hee Na, Hoisik Moon, Kang-Hyun Kim, Juneyoung Lee, Hyungwoo Yim, Jae-Seob Chung, Min-Yup Chae, Jae-Seok Choi, Hak-Mo Choi, Jung-Suk Han
  • Patent number: RE48349
    Abstract: An organic light emitting diode display device includes a first substrate including a display region, wherein a plurality of pixel regions are defined in the display region; a first electrode over the first substrate and in each of the plurality of pixel regions; a first bank on edges of the first electrode and including an insulating material blocking penetration of light; a second bank on the first bank and including an insulating material having a hydrophobic property; an organic light emitting layer on the first electrode and a portion of the first bank; and a second electrode on the organic light emitting layer and covering an entire surface of the display region.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: December 8, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Kang-Hyun Kim, Ki-Soub Yang, Dae-Jung Choi, Seung-Ryul Choi, Han-Hee Kim, Kyoung-Jin Park