Patents by Inventor Wan Kim

Wan 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).

  • Analog-digital converter and operating method thereof
    Patent number: 11736115
    Abstract: Provided are an analog-to-digital converter and/or an operating method thereof. The analog-to-digital converter includes a sample/hold circuit, a digital-to-analog converter, a comparing circuit, and a control logic circuit, wherein the digital-to-analog converter includes a first capacitor connected to a first comparison node and a first filtering node, a first reference voltage switch connected to the first filtering node and connected to a first delivery node or a first transmission node, a first pre-charge switch connected to the first filtering node or the first delivery node, and a first pre-charge capacitor connected to the first pre-charge switch and a ground voltage.
    Type: Grant
    Filed: December 23, 2021
    Date of Patent: August 22, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Youngsea Cho, Wan Kim, Jiseon Paek, Seunghyun Oh
  • Multi-path cooling system and cooling system for eco-friendly vehicle applying the same
    Patent number: 11737249
    Abstract: A multi-path cooling system is provided that includes a first cooling path in which a refrigerant is circulated by a first pump and a second cooling path in which the refrigerant is circulated by a second pump. A reservoir tank is provided through which the refrigerant circulating through the first cooling path enters or exits. An air separator is disposed on the second cooling path to separate air from the passing refrigerant when the refrigerant circulating through the second cooling path passes. The reservoir tank and the air separator communicate with each other.
    Type: Grant
    Filed: August 17, 2020
    Date of Patent: August 22, 2023
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Kyung Ho Kim, Sang Wan Kim, Dong Su Yang, Young Tae Yang
  • Display device
    Patent number: 11735083
    Abstract: A display device is provided. The display device comprises a display panel including a plurality of signal pads and one or more dummy pads, and at least one flexible wiring board providing signals to the signal pads, wherein a maximum bias period of signals provided to a pair of adjacent signal pads with at least one dummy pad interposed therebetween is longer than a maximum bias period of signals provided to a pair of adjacent signal pads with no dummy pad disposed therebetween.
    Type: Grant
    Filed: October 14, 2021
    Date of Patent: August 22, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Tae Hoon Kwon, Ji Hyun Ka, Byung Sun Kim, Yang Wan Kim, Hyung Jun Park, Su Jin Lee, Jae Yong Lee, Jin Tae Jeong, Seung Ji Cha
  • Display device
    Patent number: 11726621
    Abstract: A display device includes a touch panel; a display panel under the touch panel and displaying an image; a piezoelectric element under the touch panel and including an upper electrode, a lower electrode and a piezoelectric layer; and a rectifying circuit connected to the piezoelectric element.
    Type: Grant
    Filed: September 10, 2022
    Date of Patent: August 15, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: Chi-Wan Kim, Tae-Heon Kim, Sung-Eui Shin, Yong-Woo Lee, Kyung-Yeol Ryu, Yu-Seon Kho, Yong-Gyoon Jang
  • Display device
    Patent number: 11721269
    Abstract: A display device includes: a substrate including a first pixel area, a second pixel area having a smaller area than the first pixel area and connected to the first pixel area, and a peripheral area surrounding the first pixel area and the second pixel area; a first pixel provided in the first pixel area and a second pixel provided in the second pixel area; a first line connected to the first pixel and a second line connected to the second pixel; a dummy part disposed in the peripheral area, overlapping at least one of the first line and the second line and providing a parasitic capacitance that compensates for a difference in a load value between the first line and the second line; and a power supply line provided in the first and second pixel areas. The dummy part includes an insulating layer having at least one contact hole.
    Type: Grant
    Filed: January 13, 2022
    Date of Patent: August 8, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yang Wan Kim, Su Jin Lee, Sun Ja Kwon, Byung Sun Kim, Hyun Ae Park, Hyung Jun Park, Jae Yong Lee, Yu Jin Jeon
  • LIGHT EMITTING DEVICE AND PRODUCT INCLUDING SAME
    Publication number: 20230246149
    Abstract: This light emitting device comprises: a substrate; a light emitting laminate disposed on the substrate; first and second electrodes provided on the light emitting laminate; first and second bumps provided on the first and second electrodes, respectively; a passivation film which is provided on the substrate, exposes portions of the upper surfaces of the first and second bumps, and covers the laminate; and a light conversion layer covering the rear surface of the substrate, a side surface of the substrate, and a side surface of the passivation film.
    Type: Application
    Filed: July 6, 2021
    Publication date: August 3, 2023
    Inventors: Jae Kwon KIM, Kyoung Wan KIM, Wan Tae LIM
  • PATTERN FORMING APPARATUS
    Publication number: 20230241637
    Abstract: Provided is a pattern forming apparatus which may form a pattern on a substrate with high precision by using a material including an organic material, the pattern forming apparatus including: a capillary facing a grounded substrate and capable of storing a solution including a sample; a power source applying a voltage to the capillary; a stencil mask disposed between the capillary and the substrate, and including an opening through which the sample passes; and a cross-direction actuator moving the stencil mask in a cross direction crossing a direction in which the sample passes.
    Type: Application
    Filed: January 25, 2023
    Publication date: August 3, 2023
    Inventors: Joon-wan Kim, Dong Soo Kim, Min Hun Jung, Hyun Ah Lee
  • AMMONIA DECOMPOSITION CATALYST, AND METHOD OF DECOMPOSING AMMONIA AND PRODUCING HYDROGEN BY USING THE SAME
    Publication number: 20230234841
    Abstract: The present invention relates to an ammonia decomposition catalyst that converts ammonia into hydrogen and nitrogen. The catalyst includes ruthenium (Ru) as an active catalytic component and a composite oxide solid solution (LaxCe1-xOy) including lanthanum oxide and cerium oxide as a catalyst support. The present invention also relates to an ammonia decomposition method using the catalyst and a hydrogen production method using the catalyst.
    Type: Application
    Filed: January 27, 2021
    Publication date: July 27, 2023
    Applicant: Korea Research Institute of Chemical Technology
    Inventors: Ho Jeong Chae, Young-min Kim, Thien An Le, Jeong-Rang Kim, Tae Wan Kim, Youjin Lee, Su Un Lee
  • WATER-REPELLENT ADHESIVE PATCH AND METHOD MANUFACTURING THE SAME
    Publication number: 20230233126
    Abstract: Disclosed are a skin-attachable adhesive patch mimicking a leg structure of a diving beetle and having excellent skin-attachment ability even in a dry or wet condition, and a method for manufacturing the same. The skin-attachable adhesive patch includes a substrate; a plurality of negative pressure chambers formed on a surface of the substrate, wherein each of the plurality of negative pressure chambers has a truncated hollow sphere structure; a micro-wrinkle layer formed on at least a portion of a remaining area of the substrate except for an area thereof where the negative pressure chambers are formed; and a patterned carbon particle layer formed on the micro-wrinkle layer.
    Type: Application
    Filed: January 12, 2023
    Publication date: July 27, 2023
    Applicant: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Changhyun PANG, Hyeongho MIN, Jinhyung KIM, Da Wan KIM
  • SAMPLE STRETCH TEST DEVICE AND SAMPLE STRECH TEST SYSTEM INCLUDING SAME
    Publication number: 20230236096
    Abstract: A sample stretch test device includes a setup table and grip modules arranged with regular intervals along an edge of a virtual arrangement circle around a center of the setup table and configured to grip a sample to be tested, and further includes at least any one of grip driving modules coupled to the setup table and configured to slide the grip modules along normals of the virtual arrangement circle in a horizontal direction parallel with the sample, and a pressing module disposed under the setup table and configured to press the sample in a vertical direction perpendicular to the sample.
    Type: Application
    Filed: August 23, 2022
    Publication date: July 27, 2023
    Inventors: Ki Yong LEE, Dong Gun SHIN, Tae Wan KIM
  • DISPLAY APPARATUS
    Publication number: 20230232686
    Abstract: A display apparatus includes: a base substrate including a display area and a non-display area adjacent to the display area; a first power supply wire in the non-display area, a first power supply voltage being applied to the first power supply wire; a second power supply wire in the non-display area and spaced apart from the first power supply wire, a second power supply voltage being applied to the second power supply wire; and a dam overlapping the first power supply wire and the second power supply wire, having a first height on the first power supply wire, and having a second height greater than the first height between the first power supply wire and the second power supply wire.
    Type: Application
    Filed: March 27, 2023
    Publication date: July 20, 2023
    Inventors: Young Jin CHO, Joong-Soo MOON, Yang Wan KIM, Soon Jung WANG
  • Collision distance estimation device and advanced driver assistance system using the same
    Patent number: 11702068
    Abstract: The present invention relates to a collision distance estimation device and a driver assistance system using the same. The collision distance estimation device includes an image acquisition unit configured to acquire images of surroundings of a vehicle to generate image information, an image reading unit configured to detect and identify an object present around the vehicle from the image information to generate object recognition information, a travel detection unit configured to generate movement distance information on the basis of wheel sensing information, steering information, and the image information, and a collision distance calculation unit configured to calculate collision distance information on the basis of the object recognition information and the movement distance information.
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: July 18, 2023
    Assignee: Hyundai Mobis Co., Ltd.
    Inventors: Moon Yong Jin, Sung Wan Kim, Soo yong Ryu, Hyun Wook Jeong
  • Display device
    Patent number: 11700754
    Abstract: A display device includes a substrate having a display area and a non-display area, a plurality of pixels in the display area, scan lines for supplying a scan signal to the pixels, the scan lines extending in a first direction, data lines for supplying a data signal to the pixels, the data lines extending in a second direction crossing the first direction, and a first dummy part in the non-display area, adjacent to an outermost pixel, connected to an outermost data line of the display area, forming a parasitic capacitor with the outermost pixel, and including a first dummy data line and a first dummy power pattern extending in parallel to the data lines.
    Type: Grant
    Filed: September 4, 2020
    Date of Patent: July 11, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yang Wan Kim, Ji Hyun Ka, Tae Hoon Kwon, Byung Sun Kim, Hyung Jun Park, Su Jin Lee, Jae Yong Lee, Jin Tae Jeong, Seung Ji Cha
  • ORGANIC LIGHT EMITTING DIODE DISPLAY
    Publication number: 20230215371
    Abstract: An organic light emitting diode (“OLED”) display includes a semiconductor layer on a substrate, first and second signal lines on the semiconductor layer, a shield layer on the first and second signal lines, a data line on the shield layer, and an OLED on the data line, where the transistor includes a driving transistor, a second transistor connected to the first signal line and the data line, and a third transistor including a gate electrode connected to the first signal line, a third electrode connected to a second electrode of the driving transistor, and a fourth electrode connected to a gate electrode of the driving transistor, the shield layer includes an overlapped portion overlapping at least a part of the connection portion and non-overlaps the second transistor, and the shield layer is separated from the first and second signal lines with a gap therebetween in a plan view.
    Type: Application
    Filed: March 9, 2023
    Publication date: July 6, 2023
    Inventors: Ji Su NA, Joong-Soo MOON, Chae Han HYUN, Yang Wan KIM
  • Display device
    Patent number: 11694614
    Abstract: A display device includes: a substrate including a first pixel region, at least one second pixel region having a smaller area than the first pixel region, the at least one second pixel region being disposed adjacent to the first pixel region, and a peripheral region surrounding the first pixel region and the second pixel region; first and second pixels respectively provided in the first and second pixel regions; first and second lines respectively connected to the first and second pixels; a dummy line connected to one of the first and second lines to extend to the peripheral region; and a first dummy part including a dummy pixel connected to the dummy line in the peripheral region.
    Type: Grant
    Filed: September 13, 2021
    Date of Patent: July 4, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yang Wan Kim, Su Jin Lee, Sun Ja Kwon, Byung Sun Kim, Hyun Ae Park, Hyung Jun Park, Jae Yong Lee, Yu Jin Jeon
  • DISPLAY DEVICE
    Publication number: 20230206847
    Abstract: A display device includes pixels electrically connected to first scan lines, second scan lines, and emission lines, a first scan driver that applies first scan signals to the first scan lines, a second scan driver that applies second scan signals to the second scan lines, an emission control driver that applies emission signals to the emission lines, and a power supply that generates and outputs a first high voltage and a second high voltage. The second scan driver receives the first high voltage. The first scan driver and the emission control driver share the second high voltage.
    Type: Application
    Filed: March 6, 2023
    Publication date: June 29, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Ji Su NA, Yang Wan KIM, Jung Hun YI, Min Woo BYUN
  • ALL-SOLID-STATE BATTERY WITH IMPROVED INTERFACIAL PROPERTIES
    Publication number: 20230207772
    Abstract: An all-solid-state battery comprises a cathode active material layer, an anode active material layer and a solid electrolyte layer interposed between the cathode active material layer and the anode active material layer, and wherein the all-solid-state battery satisfies Requirement 1 below, 3<(b1+b2)/a[10?4·cm3/mA]<11,??[Requirement 1] wherein, a indicates current density [mA/cm2] of the all-solid-state battery, b1 indicates surface roughness [?m] of one side of a cathode active material layer in a direction to a solid electrolyte layer, and b2 indicates surface roughness [?m] of one side of an anode active material layer in a direction to the solid electrolyte layer.
    Type: Application
    Filed: November 17, 2022
    Publication date: June 29, 2023
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Jae Min Lim, Hong Suk Choi, Seon Hwa Kim, Hee Soo Kang, Young Jin Nam, Sang Wan Kim
  • DISPLAY DEVICE AND METHOD FOR FABRICATING THE SAME
    Publication number: 20230207607
    Abstract: A display device includes: a plurality of pixel electrodes disposed to be spaced apart from each other on a substrate; a plurality of light emitting elements disposed on the plurality of pixel electrodes; a first undoped semiconductor layer on the plurality of light emitting elements; a second undoped semiconductor layer between the first undoped semiconductor layer and the plurality of light emitting elements; and a common electrode layer between the first undoped semiconductor layer and the second undoped semiconductor layer, wherein the common electrode layer includes at least two parts which are separated from each other.
    Type: Application
    Filed: August 2, 2022
    Publication date: June 29, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Seung Geun LEE, Jin Wan KIM, Su Jeong KIM
  • Rear bumper upper cover for an automobile
    Patent number: D994556
    Type: Grant
    Filed: August 11, 2021
    Date of Patent: August 8, 2023
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Jong Wan Kim, Myung Jin Jung
  • Rear bumper lower cover for an automobile
    Patent number: D994557
    Type: Grant
    Filed: August 11, 2021
    Date of Patent: August 8, 2023
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Jong Wan Kim, Myung Jin Jung