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).

  • Publication number: 20240407214
    Abstract: The present disclosure relates to a display device, and the display device according to an exemplary embodiment of the present inventive concept includes: a first pixel circuit portion including at least one transistor; a second pixel circuit portion including at least one transistor; a first pixel electrode electrically connected to the first pixel circuit portion; a second pixel electrode electrically connected to the second pixel circuit portion; a first data line electrically connected to the first pixel circuit portion; and a second data line electrically connected to the second pixel circuit portion, wherein the first data line and the second data line are arranged adjacent to each other along a first direction, and the second pixel electrode overlaps the first data line and the second data line in a plan view.
    Type: Application
    Filed: August 9, 2024
    Publication date: December 5, 2024
    Inventors: Jun Hyun PARK, Dong Woo KIM, Sung Jae MOON, Kang Moon JO
  • Patent number: 12153030
    Abstract: The present disclosure relates to an apparatus and a method for measuring miscibility in oil using back titration. The apparatus includes: a flocculation solution storage unit; a flow cell including a UV transmitting member; a dissolving agent storage unit; a UV irradiation unit; and a measurement unit, wherein: a flocculation solution is stored in the flocculation solution storage unit; the flocculation solution circulates between the flocculation solution storage unit and the flow cell; the measurement unit measures the UV transmittance of the flocculation solution while the dissolving agent in the dissolving agent storage unit is supplied to the flocculation solution storage unit; the miscibility in the oil is calculated from the amount of dissolving agent supplied and a change in the UV transmittance measured by the measurement unit; and the miscibility is calculated based on a time point when the slope of increase in the UV transmittance changes.
    Type: Grant
    Filed: December 28, 2020
    Date of Patent: November 26, 2024
    Assignee: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Kang-Seok Go, Nam-Sun Nho, Kwang-Ho Kim, Eun Hee Kwon, Suk Hyun Lim, Hung Hai Pham, Anh Dung Pham
  • Patent number: 12131703
    Abstract: A scan signal driving unit capable of reducing the RC delay of scan control lines in an ultra-high resolution display, such as 8K UHD. The scan signal driving unit includes a plurality of stages configured to sequentially output scan signals, first clock lines to which first clock signals are applied, and second clock lines to which second clock signals are applied. Each of the first clock lines includes a (1-1)-th metal pattern and a (1-2)-th metal pattern disposed on the (1-1)-th metal pattern. Each of the second clock lines includes a (2-1)-th metal pattern disposed on the same layer as one of the (1-1)-th metal pattern and the (1-2)-th metal pattern.
    Type: Grant
    Filed: November 26, 2019
    Date of Patent: October 29, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jun Hyun Park, Dong Woo Kim, An Su Lee, Kang Moon Jo
  • Publication number: 20240357799
    Abstract: There is provided a semiconductor memory device capable of improving performance and reliability of an element. The semiconductor memory device includes a substrate including a cell region and a peripheral region, a cell region isolation layer in the substrate, isolating the cell region from the peripheral region, an isolation active region surrounded by the cell region isolation layer, a bit line structure on the cell region, including a cell conductive line and a cell gate electrode in the substrate of the cell region, crossing the cell conductive line.
    Type: Application
    Filed: November 14, 2023
    Publication date: October 24, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Choong Hyun LEE, Joon Cheol KIM, Kang-Uk KIM, Jin A KIM, Byoung Wook JANG, Young-Seung CHO
  • Patent number: 12106601
    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: Grant
    Filed: April 18, 2023
    Date of Patent: October 1, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Il Nam Kim, Seung Hyun Moon, Dong Wook Yang, Hyun Dae Lee, Kang Bin Jo, Go Eun Cha, Hee Chul Hwang
  • Publication number: 20240322727
    Abstract: A motor-driving apparatus for driving a motor having a plurality of windings respectively corresponding to a plurality of phases is provided. The motor-driving apparatus includes a first inverter having a plurality of first switching devices and connected to first ends of the plurality of windings and a second inverter having a plurality of second switching devices and connected to second ends of the plurality of windings. A third switching device is configured to selectively connect and disconnect points at which a number of turns of each of the windings is divided in a preset ratio. A controller is configured to adjust an on/off state of the first to third switching devices based on required output of the motor.
    Type: Application
    Filed: June 7, 2024
    Publication date: September 26, 2024
    Inventors: Kang Ho Jeong, Jong Kyong Lim, Suk Hyun Lim, Ji Woong Jang, Beom Sik Kim, Sang Cheol Shin
  • Publication number: 20240308006
    Abstract: According to at least one aspect, the present disclosure provides A method for manufacturing a heating element cooling structure, the method comprising: manufacturing an upper plate, which includes a plurality of column units, by using a press mold method; manufacturing a lower plate by using the press mold method; forming a wick unit at one or more of an inner surface of the upper plate and an inner surface of the lower plate by using a laser; and bonding the upper plate and the lower plate to each other.
    Type: Application
    Filed: May 23, 2024
    Publication date: September 19, 2024
    Applicant: KMW INC.
    Inventors: Kang Hyun LEE, Hyung Seok KIM, Hang Hyeon CHO, Jong Min LEE, Jae Ho JANG
  • Patent number: 12082465
    Abstract: The present disclosure relates to a display device, and the display device according to an exemplary embodiment of the present inventive concept includes: a first pixel circuit portion including at least one transistor; a second pixel circuit portion including at least one transistor; a first pixel electrode electrically connected to the first pixel circuit portion; a second pixel electrode electrically connected to the second pixel circuit portion; a first data line electrically connected to the first pixel circuit portion; and a second data line electrically connected to the second pixel circuit portion, wherein the first data line and the second data line are arranged adjacent to each other along a first direction, and the second pixel electrode overlaps the first data line and the second data line in a plan view.
    Type: Grant
    Filed: June 22, 2023
    Date of Patent: September 3, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun Hyun Park, Dong Woo Kim, Sung Jae Moon, Kang Moon Jo
  • Publication number: 20240281213
    Abstract: A random number generation system for generating random number(s) using an image sensor is disclosed. The image sensor includes a photoelectric conversion element configured to generate charges in response to light, a first tap in which a first charge from among the charges generated by the photoelectric conversion element is accumulated, and a second tap in which a second charge from among the charges generated by the photoelectric conversion element is accumulated.
    Type: Application
    Filed: November 8, 2023
    Publication date: August 22, 2024
    Applicant: SK hynix Inc.
    Inventors: Nam Hyun KIM, Kang Bong SEO, Kwang Jun CHO
  • Patent number: 12065073
    Abstract: A light-emitting diode (LED) lamp for a vehicle and a method of manufacturing the same use MID and magnetic induction technologies. The LED lamp includes a LED module, a housing accommodating the LED module, and a molded interconnect device (MID) electrode formed on a surface of the housing. The LED module may be mounted on the MID electrode by soldering using magnetic induction heating, the housing may be an injection molded product, and the MID electrode may be formed on the housing using a MID process.
    Type: Grant
    Filed: April 27, 2023
    Date of Patent: August 20, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, BS TECHNICS CO., LTD., NIFCO KOREA INC., HYUNDAI MOBIS CO., LTD., ALPS ELECTRIC KOREA CO., LTD.
    Inventors: Jun Sik Kim, Jung Sik Choi, Young Do Kim, Tae Kyoung Jung, Seung-Sik Han, Hong-Sik Chang, Kwang-Pyo Cho, Young-Ju Lee, Jong-Hyun Park, Jin-Won Lee, Jun-Geun Oh, Cheon-Ho Kim, Young-Jai Im, Sun-Mi Oh, Kang-Sun Lee, Sae-Ah Kim, Jong-Eun Park, Kwan-Woo Lee, Jong-Chae Lee, Jun-Hyun Park, Won-Il Lee, Dae-Woo Park
  • 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: 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