Patents by Inventor Yun-Hwan Kim

Yun-Hwan 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: 11998409
    Abstract: The present invention relates to a method of manufacturing a dental composite blank, including (a) placing a composite paste in a mold, (b) pressurizing the composite paste placed in the mold at a first pressure (P1), (c) pressurizing the composite paste placed in the mold at a second pressure (P2), and (d) curing the pressurized composite paste, in which each of steps (b) and (c) is performed once or multiple times, and the first pressure (P1) is less than or greater than the second pressure (P2). The dental composite blank and the method of manufacturing the same are effective at dispersing a non-dispersed filler and removing bubbles, thus improving mechanical properties, through repeated pressurization at different pressures before curing the composite paste.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: June 4, 2024
    Assignee: VERICOM CO., LTD.
    Inventors: Myung-Hwan Oh, Jong-Ho Kang, Hyun-Chul Yoo, Joung-Lim Hoo, Yun-Ki Kim
  • Publication number: 20240179978
    Abstract: A display device comprises a substrate; a circuit array layer comprising pixel drivers, data lines, first dummy lines, and second dummy lines; and a light emitting array layer. The display area comprises middle, first side, and second side regions. The data lines comprise first, second, and third data lines disposed in the middle, first side, and second side regions, respectively. The first dummy lines comprise a first data detour line disposed in the first side region and adjacent to a part of the second data line, and auxiliary lines. The second dummy lines comprise a second data detour line configured to connect the first data detour line to the third data line, and additional lines. The auxiliary lines comprise a bias auxiliary line to which a bias power is applied; and a second power auxiliary line to which a second power is applied.
    Type: Application
    Filed: February 8, 2024
    Publication date: May 30, 2024
    Inventors: Jin Sung AN, Sung Ho KIM, Yong Jae KIM, Yun Hwan PARK, Yoon Jee SHIN, Sug Woo JUNG, Hyun Wook CHOI
  • Publication number: 20240172368
    Abstract: A printed circuit board includes: a first board unit including a plurality of first insulating layers and a plurality of first wiring layers respectively disposed on or in the plurality of first insulating layers; a second board unit including one or more second insulating layers and one or more second wiring layers respectively disposed on or in the one or more second insulating layers; and a first passive device embedded in at least one of the first and second board units. The second board unit is disposed on the first board unit, and the first board unit has a second cavity passing through at least a portion of the plurality of first insulating layers on the first passive device based on a stacking direction of the plurality of first wiring layers.
    Type: Application
    Filed: May 26, 2023
    Publication date: May 23, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yun Je JI, Yong Hoon KIM, Seung Eun LEE, Joo Hwan JUNG
  • Publication number: 20240128915
    Abstract: Disclosed is a motor driving apparatus including: a motor; an inverter including a switching element for driving the motor; a controller for controlling the switching element; a resolver including an excitation winding and a detection winding; and a resolver chip applying an excitation signal to the excitation winding by inputting a periodic signal from the controller, and receiving a feedback signal from the detection winding, wherein the resolver chip determines the number of rotations of the motor based on a change in a pulse width of a detection signal resulting from a comparison between a voltage of the feedback signal and a preset voltage, and output a signal to the inverter for setting an inertial driving control mode according to the number of rotations of the motor in a failure state of the controller.
    Type: Application
    Filed: October 17, 2023
    Publication date: April 18, 2024
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventors: Tae Hwan KANG, Hyung Min PARK, Joo Won PARK, Beom Cheol CHO, Yun Ho CHOI, Yeon Ho KIM, Won Hee JO
  • Patent number: 11960271
    Abstract: The present invention relates to a power plant early warning device and method which employ a multiple prediction model, and includes: a plurality of prediction models which receive information about the operation states of equipment in a power plant, and output prediction values and the reliabilities of the prediction values; a reliability analysis module which quantizes and analyzes the reliabilities output from the plurality of prediction models to determine the ranks of the plurality of prediction models, and calculates a final prediction value; a comparison module which compares the final prediction value with an actual measurement value, and outputs a residual; and a determination module which analyzes the residual to determine whether there are defects in the operating states of the equipment in the power plant.
    Type: Grant
    Filed: October 10, 2019
    Date of Patent: April 16, 2024
    Assignee: KOREA HYDRO & NUCLEAR POWER CO., LTD
    Inventors: Ji Ho Min, Dae Woong Kim, Do Hwan Lee, Yun Goo Kim
  • Patent number: 11952205
    Abstract: A panel transfer tray according to an embodiment includes an accommodation part which accommodates a target panel, a protrusion protruding upward direction from an upper edge of the accommodation part, and a first movement prevention member disposed at one side of the accommodation part and disposed adjacent to the protrusion, and the first movement prevention member has a stair shape of which a planar area gradually decreases along the upward direction.
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: April 9, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyongdo Choi, Sunghee Lee, Myung-Seok Kwon, Deok-Hwan Kim, Sung-Jun Kim, Yun-Tae Kim, Jinseok Kim, Hasook Kim
  • Patent number: 11937765
    Abstract: A cleaning apparatus including a vacuum cleaner and a docking station is provided. The cleaning apparatus includes a vacuum cleaner including a dust collecting chamber in which foreign substances are collected, and a docking station configured to be connected to the dust collecting chamber to remove the foreign substances collected in the dust collecting chamber. The dust collecting chamber is configured to collect foreign substances through centrifugation, and configured to be docked to the docking station, and the docking station includes a suction device configured to suction the foreign substances and air in the dust collecting chamber docked to the docking station.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: March 26, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: See Hyun Kim, In Gyu Choi, Ki Hwan Kwon, Shin Kim, Hyeon Cheol Kim, Do Kyung Lee, Hyun Ju Lee, Yun Soo Jang, Seung Ryong Cha, Jung Gyun Han
  • Patent number: 11937476
    Abstract: A display device comprises a substrate; a circuit array layer comprising pixel drivers, data lines, first dummy lines, and second dummy lines; and a light emitting array layer. The display area comprises middle, first side, and second side regions. The data lines comprise first, second, and third data lines disposed in the middle, first side, and second side regions, respectively. The first dummy lines comprise a first data detour line disposed in the first side region and adjacent to a part of the second data line, and auxiliary lines. The second dummy lines comprise a second data detour line configured to connect the first data detour line to the third data line, and additional lines. The auxiliary lines comprise a bias auxiliary line to which a bias power is applied; and a second power auxiliary line to which a second power is applied.
    Type: Grant
    Filed: May 4, 2023
    Date of Patent: March 19, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin Sung An, Sung Ho Kim, Yong Jae Kim, Yun Hwan Park, Yoon Jee Shin, Sug Woo Jung, Hyun Wook Choi
  • Publication number: 20240069524
    Abstract: Disclosed is an apparatus for excitation signal generation for a resolver. The apparatus includes a sine wave generator that generates a sine wave based on a square wave, an amplifier that amplifies the sine wave, a differential signal generator that converts, into a differential signal, the amplified sine wave, a driver that inputs the differential signal to a coil, and a processor that generates an excitation signal by increasing a voltage of the sine wave from a start voltage to a target voltage through at least one of the sine wave generator and the amplifier based on a transient current that flows into the coil in a transient response interval.
    Type: Application
    Filed: December 27, 2022
    Publication date: February 29, 2024
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventors: Yun Ho CHOI, Hyung Min PARK, Joo Won PARK, Yeon Ho KIM, Won Hee JO, Tae Hwan KANG, Beom Cheol CHO
  • Publication number: 20240066092
    Abstract: Provided are a curcumin nanoparticle complex having a modified particle surface and a method for preparing same. A curcumin nanoparticle complex includes curcumin and phospholipids and has a particle size of less than 1000 nm. A first coating layer containing a cationic material and/or a second coating layer containing an anionic material can be further added.
    Type: Application
    Filed: September 1, 2023
    Publication date: February 29, 2024
    Applicant: BINOTEC CO., LTD.
    Inventors: Gi Hyun Jang, Chang Hwan Seok, Ji Won Shin, Yun Geum Sang Gwak, Yu Mi Kim
  • Publication number: 20240032201
    Abstract: A printed circuit board (PCB) includes a solder resist layer including at least one of an opening and a depression and a solder resist patch disposed in at least one of the opening and the depression to have an interface with the solder resist layer in at least one of the opening and the depression.
    Type: Application
    Filed: January 27, 2023
    Publication date: January 25, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Do Jae Yoo, Yong Gil Namgung, Jong Hoon Shin, Won Ju Jang, Yun Hwan Kim
  • Patent number: 11618710
    Abstract: The present invention relates to a nano-protrusion forming method and a base material having a nano-protrusion surface formed by the method. The method includes forming an anti-reflective layer including nano-protrusions having a width of several nm to several tens of nm, and/or an anti-glare layer including protrusions having a width of several tens of nm to several ?m, by a wet etching process using an acid solution without using a nano-mask.
    Type: Grant
    Filed: August 2, 2017
    Date of Patent: April 4, 2023
    Inventors: Sang Ro Lee, Yun Hwan Kim, Jae Hyung Seo, Ki Hun Kim, Ji Young Lee
  • Publication number: 20220068616
    Abstract: A plasma process apparatus includes a chamber in which a plasma process is performed, an electrostatic chuck which supports a wafer inside the chamber and comprises a first portion and a second portion disposed on the first portion, a first electrode disposed inside the electrostatic chuck, a second electrode which is spaced apart from the first electrode inside the electrostatic chuck, surrounds the first electrode in a plane defined by the first direction and a second direction perpendicular to the first direction, and is disposed on the same plane as the first electrode, a power supply configured to apply a voltage to each of the first electrode and the second electrode, a plurality of cooling gas supply lines which penetrates the electrostatic chuck in a third direction perpendicular to the first and second directions and is configured to provide a cooling gas to the wafer.
    Type: Application
    Filed: March 25, 2021
    Publication date: March 3, 2022
    Inventors: Yi Rop KIM, Kui Hyun YOON, Yun Hwan KIM, Moon Eon LEE, Seok Woo LEE, Dong Hee HAN
  • Patent number: 11158810
    Abstract: The present specification provides a multicyclic compound of Chemical Formula 1, and an organic light emitting device including the same.
    Type: Grant
    Filed: October 12, 2016
    Date of Patent: October 26, 2021
    Inventors: Wanpyo Hong, Hyoungcheul Kim, Yun Hwan Kim, Heungwoo Choi, Jun Yun
  • Publication number: 20200189966
    Abstract: The present invention relates to a nano-protrusion forming method and a base material having a nano-protrusion surface formed by the method. The method includes forming an anti-reflective layer including nano-protrusions having a width of several nm to several tens of nm, and/or an anti-glare layer including protrusions having a width of several tens of nm to several ?m, by a wet etching process using an acid solution without using a nano-mask.
    Type: Application
    Filed: August 2, 2017
    Publication date: June 18, 2020
    Inventors: Sang Ro LEE, Yun Hwan KIM, Jae Hyung SEO, Ki Hun KIM, Ji Young LEE
  • Publication number: 20200127207
    Abstract: The present specification provides a multicyclic compound of Chemical Formula 1, and an organic light emitting device including the same.
    Type: Application
    Filed: October 12, 2016
    Publication date: April 23, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Wanpyo Hong, Hyoungcheul Kim, Yun Hwan Kim, Heungwoo Choi, Jun Yun
  • Patent number: 10519166
    Abstract: The present specification provides a heterocyclic compound and an organic light emitting device including the same.
    Type: Grant
    Filed: October 26, 2016
    Date of Patent: December 31, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Wanpyo Hong, Dongheon Kim, Hyoungcheul Kim, Yongbum Cha, Yun Hwan Kim
  • Publication number: 20180086775
    Abstract: The present specification provides a heterocyclic compound and an organic light emitting device including the same.
    Type: Application
    Filed: October 26, 2016
    Publication date: March 29, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Wanpyo Hong, Dongheon Kim, Hyoungcheul Kim, Yongbum Cha, Yun Hwan Kim
  • Patent number: 9885719
    Abstract: Provided are methods of treating a subject for of ovarian cancer, the method including using lysophosphatidylcholine (16:0) and homocysteic acid, which are low-mass ions present in biological samples, to diagnose whether treatment should be provided. The method enables ovarian cancer to be diagnosed in a cost-effective, rapid and accurate manner.
    Type: Grant
    Filed: August 21, 2014
    Date of Patent: February 6, 2018
    Assignee: Ewha University-Industry Collaboration Foundation
    Inventors: Seung Cheol Kim, Byong Chul Yoo, Kyung-Hee Kim, Yun Hwan Kim
  • Patent number: 9728728
    Abstract: The present invention provides a novel compound that is capable of largely improving a life span, efficiency, electrochemical stability and thermal stability of an organic light emitting device, and an organic light emitting device in which the compound is included in an organic compound layer.
    Type: Grant
    Filed: December 10, 2013
    Date of Patent: August 8, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Sung Kil Hong, Yun Hwan Kim, Jungoh Huh, Seongmi Cho, Seong So Kim, Yongbum Cha