Patents by Inventor Yong-Hee Lee

Yong-Hee 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).

  • Publication number: 20230268894
    Abstract: A cascode amplifier circuit comprising a power amplifier block having a first transistor and a second transistor. The amplifier circuit also comprises: a bias generator block coupled to the first transistor and being configured to provide a reference voltage to the power amplifier block; and a current control block coupled to the second transistor of the power amplifier block, the current control block being configured to adjust a gate bias to the second transistor of the power amplifier block to maintain a constant quiescent current.
    Type: Application
    Filed: February 9, 2023
    Publication date: August 24, 2023
    Inventor: Yong Hee Lee
  • Publication number: 20230268469
    Abstract: A display device includes a first substrate including a display area and a non-display area, an inorganic layer disposed on the first substrate in the non-display area, color filter pattern layers disposed on the inorganic layer and spaced apart from each other, a second substrate facing the first substrate, a light blocking member disposed on a surface of the second substrate and not overlapping the color filter pattern layers in the non-display area, and a seal member disposed between the first substrate and the second substrate and contacting the color filter pattern layers and the inorganic layer.
    Type: Application
    Filed: October 20, 2022
    Publication date: August 24, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Ji Hye LEE, Kyung Bae KIM, Yong Hee LEE
  • Publication number: 20230261597
    Abstract: An output control system includes a first power controller controlling an output of a first power source, a second power controller controlling an output of a second power source, and a controller determining a control mode based on a state of a motor and controlling one or both of the first power controller and the second power controller based on the control mode.
    Type: Application
    Filed: June 6, 2022
    Publication date: August 17, 2023
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventor: Yong Hee LEE
  • Publication number: 20230253602
    Abstract: A fuel cell system includes a first valve installed at an outlet of a hydrogen tank on a fuel supply line connecting the hydrogen tank and a fuel cell stack, a second valve installed at a rear end of the first valve on the fuel supply line, and a fuel cell control unit that controls operations of the first valve and the second valve based on a state of the hydrogen tank when a startup of a fuel cell is required.
    Type: Application
    Filed: December 20, 2022
    Publication date: August 10, 2023
    Applicant: HYUNDAI MOBIS Co., Ltd.
    Inventor: Yong Hee LEE
  • Patent number: 11714325
    Abstract: Provided is a display device. The display device comprises: a substrate including a display area having a plurality of pixels and a non-display area, a plurality of data lines connected to each of the plurality of pixels and extending in a first direction, a plurality of first gate lines connected to each of the plurality of pixels and extending in a second direction crossing the first direction, a plurality of second gate lines extending along the first direction from one end of the display area to a line contact portion contacting each of the plurality of first gate lines, and a plurality of off voltage lines extending in a direction opposite to the first direction from the other end of the display area opposite to one end of the display area to a periphery of the line contact portion and insulated from the plurality of second gate lines.
    Type: Grant
    Filed: August 11, 2022
    Date of Patent: August 1, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong Hee Shin, Geun Ho Lee, Yong Hee Lee
  • Publication number: 20230189583
    Abstract: A display device includes a display area, a non-display area, a pad portion disposed in the non-display area and including first and second power pad portions, first and second voltage common lines that are disposed between the pad portion and the display area and spaced apart from each other, a first power pad disposed in the first power pad portion and electrically connected to the first voltage common line, a second power pad disposed in the second power pad portion and electrically connected to the second voltage common line, and first auxiliary lines electrically connected to the first voltage common line and second auxiliary lines electrically connected to the second voltage common line, the first and second auxiliary lines extending from the pad portion. The first auxiliary lines and the second auxiliary lines are spaced apart from the first power pad portion and the second power pad portion.
    Type: Application
    Filed: July 19, 2022
    Publication date: June 15, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Yong Hee LEE, Jin Seon KWAK, Ji Hye LEE, Ki Hyun PYO
  • Patent number: 11662636
    Abstract: A display device includes a display panel including pixels, each including first, second, and third color pixels; a gate driver and a data driver connected to the pixel through a scan line and a data line, respectively. Each of the first, second, and third color pixels includes a color pixel electrode and a first transistor having a first electrode connected to the data line, a second electrode connected to the color pixel electrode, and a gate electrode connected to the scan line. A voltage distribution line is disposed to overlap the color pixel electrode of the third color pixel in a thickness direction extending in the second direction. A width of the second electrode of the first transistor of the third color pixel is greater than a width of that of each of the first and second color pixels in the first direction.
    Type: Grant
    Filed: April 20, 2021
    Date of Patent: May 30, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventor: Yong Hee Lee
  • Patent number: 11646426
    Abstract: Disclosed are an electrode having a three-dimensional structure, the electrode including: a porous nonwoven web including a plurality of polymer fibers that form an interconnected porous network; an active material composite positioned among the polymer fibers and including active material particles and a first conductive material; and a second conductive material positioned on an outer surface of the active material composite, wherein the interconnected porous network is filled homogeneously with the active material composite and the second conductive material to form a super lattice structure, and an electrochemical device including the electrode having a three-dimensional structure.
    Type: Grant
    Filed: November 8, 2018
    Date of Patent: May 9, 2023
    Inventors: In-Sung Uhm, Sang-Young Lee, Sung-Joong Kang, Jeong-A Kim, Je-Young Kim, Ju-Myung Kim, Yong-Hee Lee, Jae-Hyun Lee
  • Publication number: 20230140325
    Abstract: A display device includes a first electrode and a second electrode on a substrate, a pixel unit including a light emitting element on the first electrode and the second electrode, a first signal line electrically connected to the first electrode, and a second signal line electrically connected to the second electrode, wherein first power is configured to be provided to the first electrode from the first signal line, wherein second power is configured to be provided to the second electrode from the second signal line, wherein at least a portion of the first signal line and at least a portion of the second signal line extend in a first direction, and wherein at least another portion of the first signal line extends in a second direction that is not parallel to the first direction.
    Type: Application
    Filed: October 10, 2022
    Publication date: May 4, 2023
    Inventors: Yong Hee LEE, Jin Seon KWAK, Kyung Bae KIM, Ji Hye LEE, Ki Hyun PYO
  • Publication number: 20230130727
    Abstract: An apparatus for managing power of a fuel cell is provided. The apparatus includes a power conversion device that converts a high voltage into a low voltage and supplies the converted low voltage to a low voltage battery, a cooling device that flows coolant to cool the power conversion device, and a controller that controls driving of the power conversion device and the cooling device based on the remaining state of charge (SOC) of the low voltage battery.
    Type: Application
    Filed: December 13, 2021
    Publication date: April 27, 2023
    Applicant: HYUNDAI MOBIS Co., Ltd.
    Inventors: Yong Hee LEE, Hyo Jin KIM
  • Publication number: 20230120090
    Abstract: Disclosed is an apparatus for managing condensate of a fuel cell. The apparatus includes a first heater for applying heat to coolant of a fuel cell stack, a second heater for applying heat to the condensate produced in the fuel cell stack, and a controller that controls an operation of the second heater using residual power based on whether at least some of functions of the first heater are activated.
    Type: Application
    Filed: December 13, 2021
    Publication date: April 20, 2023
    Applicant: HYUNDAI MOBIS Co., Ltd.
    Inventor: Yong Hee LEE
  • Patent number: 11619850
    Abstract: According to an exemplary embodiment, a display device includes: a plurality of gate lines; a plurality of data lines; and a plurality of pixels connected to the gate lines and the data lines, wherein each of the pixels includes: a transistor configured to include a gate electrode, a first electrode, a second electrode, and a channel semiconductor; a pixel electrode connected to the second electrode and including a plurality of fine branch portions and a connector connected to the second electrode; and a target pattern overlapping a fine slit dispose between adjacent fine branch portions. At least one of the adjacent fine branch portions is directly connected to the connector.
    Type: Grant
    Filed: November 16, 2020
    Date of Patent: April 4, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong Hee Lee, Dong Hee Shin, Geun Ho Lee
  • Publication number: 20230067674
    Abstract: A device for registering and authenticating a user device for vehicle control includes: a communication unit connected to the user device to receive an authentication request from the user device; an interface configured to communicatively connect with at least one antenna included in the vehicle and communicating with a FOB of the vehicle; and a processor configured to detect whether the user device is registered based on at least one of user information and device information included in the received authentication request, to detect whether a user of the user device has the FOB by using the at least one antenna, and to control a registration process of the user device which is set differently depending on whether the user has the FOB when the user device is not registered.
    Type: Application
    Filed: August 30, 2022
    Publication date: March 2, 2023
    Applicant: SAMBO MOTORS CO., LTD.
    Inventors: Yong Hee LEE, Tae Ho KIM, Tae In SEO, Se Hoon OH
  • Patent number: 11577364
    Abstract: A conditioner of a chemical mechanical polishing (CMP) apparatus includes a conditioning part to polish a polishing pad, an arm to rotate the conditioning part, and a flexible connector connecting the conditioning part with the arm, the flexible connector being moveable to allow relative movements of the conditioning part with respect to the arm.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: February 14, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yong-Hee Lee, Seung-Chul Han, Hui-Gwan Lee, Jong-Hwi Seo
  • Publication number: 20230029779
    Abstract: A display device includes sub-pixels including a light emitting part, and sub-areas on respective sides of the light emitting part in a first direction, a first electrode in the light emitting part and extending in the first direction, and a second electrode extending in the first direction and spaced apart from the first electrode in a second direction crossing the first direction, a first insulating layer on the first electrode and the second electrode, and a light emitting element on the first electrode and the second electrode in the light emitting part, wherein the second electrode includes an electrode stem part extending in the first direction, and electrode branch parts branched from the electrode stem part.
    Type: Application
    Filed: July 20, 2022
    Publication date: February 2, 2023
    Inventors: Jin Seon KWAK, Kyung Bae KIM, Yong Hee LEE, Ji Hye LEE, Ki Hyun PYO
  • Publication number: 20230018637
    Abstract: Disclosed is a method for processing a substrate, comprising a liquid processing step of performing liquid processing on the substrate by supplying a processing liquid onto the substrate in a liquid processing chamber, a transfer step of transferring the substrate from the liquid processing chamber to a drying chamber, and a drying step of drying the substrate in the drying chamber. In the drying step, the substrate is dried while an edge region of the substrate other than a central region of the substrate is supported by a support unit, and in the liquid processing step, the liquid processing is performed on the substrate such that a height of the processing liquid remaining on the edge region of the substrate is greater than a height of the processing liquid remaining on the central region of the substrate when the liquid processing is completed in the liquid processing chamber.
    Type: Application
    Filed: September 28, 2022
    Publication date: January 19, 2023
    Inventors: YONG HEE LEE, YOUNG HUN LEE, JINWOO JUNG, EUI SANG LIM
  • Patent number: 11526043
    Abstract: A display device including a display area and a non-display area disposed outside the display area, the display device including a first display substrate, a second display substrate opposite to the first display substrate, and a sealing member disposed between the first display substrate and the second display substrate in the non-display area and coupling the first display substrate to the second display substrate, in which the first display substrate includes a first substrate and an organic layer disposed on the first substrate, the organic layer includes a plurality of dam patterns disposed in the non-display area, and the dam patterns include a first dam pattern not overlapping the sealing member and having a first trench formed on a surface of the first dam pattern, and a second dam pattern overlapping the sealing member.
    Type: Grant
    Filed: August 23, 2020
    Date of Patent: December 13, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong Hee Shin, Yoo Mi Ra, Geun Ho Lee, Yong Hee Lee
  • Publication number: 20220382116
    Abstract: Provided is a display device. The display device comprises: a substrate including a display area having a plurality of pixels and a non-display area, a plurality of data lines connected to each of the plurality of pixels and extending in a first direction, a plurality of first gate lines connected to each of the plurality of pixels and extending in a second direction crossing the first direction, a plurality of second gate lines extending along the first direction from one end of the display area to a line contact portion contacting each of the plurality of first gate lines, and a plurality of off voltage lines extending in a direction opposite to the first direction from the other end of the display area opposite to one end of the display area to a periphery of the line contact portion and insulated from the plurality of second gate lines.
    Type: Application
    Filed: August 11, 2022
    Publication date: December 1, 2022
    Inventors: Dong Hee SHIN, Geun Ho LEE, Yong Hee LEE
  • Publication number: 20220372380
    Abstract: The present invention relates to a catalyst for hydrogenation and a method for preparing the same, and more specifically, provides a catalyst having improved activity by including copper and copper oxide as a promoter when a hydrogenation catalyst including nickel is prepared by using a deposition-precipitation (DP) method. Accordingly, a catalyst having high activity may be provided in a hydrogenation process of a hydrocarbon resin.
    Type: Application
    Filed: June 25, 2020
    Publication date: November 24, 2022
    Inventors: Woo Jin PARK, Bong Sik JEON, Yong Hee LEE, Eui Geun JUNG
  • Publication number: 20220370985
    Abstract: The present invention relates to a nickel catalyst for a hydrogenation reaction and a manufacturing method therefor, and relates to a nickel catalyst added in a hydrogenation reaction for improving a color of a hydrocarbon resin. The catalyst according to the present invention has a small crystallite size and improves dispersibility, while having high nickel content, and thus can provide high activity in hydrogenation reactions.
    Type: Application
    Filed: June 25, 2020
    Publication date: November 24, 2022
    Inventors: Woo Jin PARK, Bong Sik JEON, Yong Hee LEE, Eui Geun JUNG