Patents by Inventor In-Wook Cho

In-Wook Cho 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: 11994652
    Abstract: A polarizing plate and an optical display including the same are provided. The polarizing plate is composed of a display region and a non-display region surrounding the display region, and includes: a polarizer; and a bonding layer and a first polarizer protective film sequentially stacked on an upper surface of the polarizer. A light shielding layer includes a UV absorbent material and is embedded in the bonding layer to constitute at least a portion of the non-display region. The light shielding layer is formed on at least one surface of the first polarizer protective film.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: May 28, 2024
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Ji Hyun Hwang, Yoo Jin Kim, Jin Woo Kim, Dong Yoon Shin, Bae Wook Lee, Sung Man Cho
  • Patent number: 11995265
    Abstract: A display device includes a display panel that displays an image, an input sensor that senses an external input, and a sensing controller that controls the driving of the input sensor. The input sensor includes a plurality of scanning electrodes and a plurality of sensing electrodes. The sensing controller simultaneously transmits input scanning signals to at least two scanning electrodes of the plurality of scanning electrodes during a group scanning period. The group scanning period includes a plurality of scanning periods. The sensing controller transmits a compensating signal having a phase different from a phase of at least one of the input scanning signals to at least one sensing electrode of the plurality of sensing electrodes during at least one scanning period of the plurality of scanning periods.
    Type: Grant
    Filed: September 29, 2022
    Date of Patent: May 28, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jiyeong Lee, Hyun-Wook Cho, Sangkook Kim, Taejoon Kim, Hyungbae Kim, Jaehyun Park
  • Publication number: 20240170678
    Abstract: Disclosed are an anode including a core part and a binder and a secondary battery including the same. Particularly, a coating layer including a polymer is provided between the core part and the binder and thus blocks electron transport paths from the core part to the binder. Thereby, decomposition of the binder is suppressed, and thus, the charge capacity and the initial Coulombic efficiency of the secondary battery are increased.
    Type: Application
    Filed: March 9, 2023
    Publication date: May 23, 2024
    Inventors: Yong Il Cho, Geun Ho Choi, Hannah Song, Hyun Jin Kim, Hyeon Ha Lee, Chan Bum Park, Jang Wook Choi, Tae Geun Lee, Ji Woo An
  • Publication number: 20240169926
    Abstract: A display device includes pixels including a light-emitting element, and an initialization transistor connected between an anode electrode of the light-emitting element and a first initialization power line to which a voltage of initialization power is supplied, and turned on when an initialization scan signal is supplied, and an initialization scan driver which supplies the initialization scan signal. The initial scan driver supplies an i-th (i is a natural number) initial scan signal to overlap an (i?1)-th initial scan signal, and supplies an (i+1)-th initial scan signal so as not to overlap the i-th initial scan signal, and the initialization scan signal is set to a gate-on voltage.
    Type: Application
    Filed: June 6, 2023
    Publication date: May 23, 2024
    Inventors: Seong Oh YEOM, Yu Chol KIM, Ji Hye KIM, Jin Wook YANG, Eui Myeong CHO, Ja Kyoung JIN
  • Patent number: 11988160
    Abstract: Provided is a valve control apparatus for an engine that opens and closes an exhaust valve and intake value of the engine while rotating in conjunction with a crankshaft of the engine, the valve control apparatus including an exhaust valve opening and closing device opening and closing the exhaust valve during a first exhaust valve opening period and an intake valve opening and closing device opening and closing the intake valve during a first intake valve opening period.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: May 21, 2024
    Assignee: HD HYUNDAI INFRACORE CO., LTD.
    Inventors: Jayun Cho, Youngdeok Han, Dockoon Yoo, Dongmyung Kang, Wook Jung, Jungho Kim, Jongwook Byun, Younghoon Lee, Taesub Kim
  • Publication number: 20240156218
    Abstract: A ring-type wearable device is disclosed. The disclosed ring-type wearable device comprises: an outer ring member; an inner ring member separably inserted into the outer ring member; a sensor unit disposed in the outer ring member; and a control unit disposed in the outer ring member so as to be electrically connected to the sensor unit, wherein the sensor unit can maintain constant sensitivity in correspondence to the thickness of the inner ring member.
    Type: Application
    Filed: January 18, 2024
    Publication date: May 16, 2024
    Inventors: Jin-hong MIN, Jea-hyuck LEE, Seong-wook JO, Shin-hee CHO, Su-ho LEE
  • Publication number: 20240161597
    Abstract: A device for establishing a communication network and collecting situation information at a site of a collapse disaster is disclosed. The device includes a ground drone 10 deployed at the site of the collapse disaster, the ground drone 10 having a communication device 80 mounted thereon, a flying drone 32 mounted on and carried by the ground drone 10 to fly and photograph the site of the collapse disaster, a camera device 40 mounted on the ground drone 10 to photograph surroundings of the ground drone 10, a storage 50 installed on the ground drone 10, and a plurality of repeater modules 60 connected by the wireless communication network to relay wireless communications between the ground drone 10, the flying drone 32, and a command and control center 100, wherein the storage 50 accommodates the repeater modules 60, and throws the repeater modules 60 in response to an operation signal.
    Type: Application
    Filed: June 21, 2023
    Publication date: May 16, 2024
    Inventors: Si Beum CHO, Kyung Su LEE, Jae Jeong KIM, Cheol Kyu LEE, Tae Wook LEE
  • Publication number: 20240161693
    Abstract: A display device includes a display panel which includes first and second pixels disposed in one pixel row, a first gate line connected to the first pixel, a second gate line connected to the second pixel, a first data line connected to the first pixel, and a second data line connected to the second pixel, a gate driver which provides a first gate signal and a second gate signal to the first gate line and the second gate line, respectively, and a data driver disposed adjacent to a first side of the display panel, where the data driver provides a data signal to the first data line. The first data line and the second data line are connected to each other at a second side of the display panel opposite to the first side of the display panel.
    Type: Application
    Filed: August 21, 2023
    Publication date: May 16, 2024
    Inventors: EUI-MYEONG CHO, YU-CHOL KIM, JIHYE KIM, JIN-WOOK YANG, SEONGOH YEOM, JAKYOUNG JIN
  • Publication number: 20240163401
    Abstract: A buried person search device using a detachable module is disclosed. The device includes a ground drone 10 deployed at a site of a collapse disaster, the ground drone 10 having a communication device 80 and a first beacon, a camera device 40 mounted on the ground drone 10 to photograph surroundings of the ground drone 10, a storage 50 installed on the ground drone 10, a plurality of repeater modules 60 connected by a wireless communication network to relay wireless communications between the ground drone 10, a flying drone 32, and a command and control center 100, each of the repeater modules 60 having a second beacon, and a sensing device 70 installed on the ground drone 10 or the repeater modules 60 to collect a sound, wherein the storage 50 accommodates the repeater modules 60, and throws the repeater modules 60 in response to an operation signal.
    Type: Application
    Filed: June 21, 2023
    Publication date: May 16, 2024
    Inventors: Si Beum CHO, Kyung Su LEE, Jae Jeong KIM, Cheol Kyu LEE, Tae Wook LEE
  • Publication number: 20240153434
    Abstract: Disclosed is a display device including a display panel including a pixel, a scan driver, and a driving controller that controls driving of the scan driver. The scan driver provides the pixel with a first mode scan signal having a first active period and a second active period in a first mode and provides the pixel with a second mode scan signal having a compensation active period in a second mode. The driving controller determines whether an operating frequency of the display device corresponds to one of predetermined compensation frequencies in a variable frequency mode, and operates the scan driver in the first mode or the second mode depending on a determination result of the determining.
    Type: Application
    Filed: August 29, 2023
    Publication date: May 9, 2024
    Inventors: JIHYE KIM, YU-CHOL KIM, JIN-WOOK YANG, Seongoh YEOM, EUI-MYEONG CHO, JAKYOUNG JIN
  • Publication number: 20240153032
    Abstract: An apparatus is provided to estimate two-dimensional poses. The apparatus includes a communications interface to receive raw data. The raw data includes a representation of first and second objects. In addition, the apparatus includes a memory storage unit to store the raw data. Furthermore, the apparatus includes a neural network engine to apply a first convolution to the raw data to extract first features from a first output, to downsample the first output to extract a first set of subfeatures from a first suboutput, to apply a second convolution to the first output to extract a second set of features from a second output, and to apply the second convolution the first suboutput. The second output and the second suboutput are to be merged to generate joint heatmaps of the first object and the second object, and bone heatmaps of the first object and the second object.
    Type: Application
    Filed: January 17, 2024
    Publication date: May 9, 2024
    Inventors: Caroline Rougier, Dong Wook Cho
  • Publication number: 20240143114
    Abstract: A driving circuit includes: a display driver to generate a horizontal synchronization signal and a vertical synchronization signal according to a first clock signal of a first oscillator; a sensor driver to generate a touch signal according to a second clock signal of a second oscillator; and a determination circuit to detect a cycle of at least one of the horizontal synchronization signal or the vertical synchronization signal according to the second clock signal, and output a detection signal when the cycle is out of a range. The determination circuit is a part of the display driver or the sensor driver.
    Type: Application
    Filed: June 26, 2023
    Publication date: May 2, 2024
    Inventors: Jun Young KO, Tae Hyeon YANG, Han Su CHO, Tae Joon KIM, Hyun Wook CHO, Jae Woo CHOI
  • Publication number: 20240144861
    Abstract: A display device includes a display panel, a gate driver, and a driving controller. The display panel includes a pixel. The gate driver applies an anode initialization signal to the pixel. The driving controller receives a horizontal synchronization signal, receives input image data at a variable frame frequency, and controls the gate driver. A frame period for the display panel includes a scan period and one or more hold periods, the driving controller generates a count value by counting a number of pulses of the horizontal synchronization signal, and determines a current frame period as the hold period when the count value exceeds a reference value, and a time length of the anode initialization signal in each of the one or more hold periods is longer than a time length of the anode initialization signal in the scan period.
    Type: Application
    Filed: September 20, 2023
    Publication date: May 2, 2024
    Inventors: JIHYE KIM, YU-CHOL KIM, JIN-WOOK YANG, Seongoh Yeom, EUI-MYEONG CHO, JAKYOUNG JIN
  • Publication number: 20240145346
    Abstract: A semiconductor device includes a substrate with a conductive pattern. A semiconductor die is electrically connected to the substrate and both the semiconductor die and the substrate are at least partially covered by a package body. In some examples, through-mold vias are formed in the package body to provide electrical signal paths from an exterior surface thereof to the conductive pattern of the substrate. In some examples, through-mold vias are included in the package body to provide electrical signal paths between the semiconductor die and an exterior surface of the package body. In some examples, an interposer is electrically connected to the through-mold vias and may be covered by the package body and/or disposed in spaced relation thereto. In some examples, the interposer may not be electrically connected to the through-mold vias but may have one or more semiconductor dies of the semiconductor device electrically connected thereto.
    Type: Application
    Filed: January 8, 2024
    Publication date: May 2, 2024
    Applicant: Amkor Technology Singapore Holding Pte. Ltd
    Inventors: Dong Joo PARK, Jin Seong KIM, Ki Wook LEE, Dae Byoung KANG, Ho CHOI, Kwang Ho KIM, Jae Dong KIM, Yeon Soo JUNG, Sung Hwan CHO
  • Patent number: 11974455
    Abstract: A display device includes a substrate; a light-emitting element layer on the substrate; a first thin-film encapsulation layer that is on the light-emitting element layer, has an upper surface conforming an upper surface of the light-emitting element layer, and includes a recessed portion; a bank layer on the first thin-film encapsulation layer and having an opening overlapping the recessed portion; a wavelength conversion layer in the opening on the first thin-film encapsulation layer and at least partially in the recessed portion; a first inorganic layer on the bank layer and the wavelength conversion layer; an organic layer on the first inorganic layer; and a second inorganic layer on the organic layer.
    Type: Grant
    Filed: September 3, 2021
    Date of Patent: April 30, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Myung Chul Yeo, Yong Tack Kim, Eung Seok Park, Hee Wook Yoon, Yoon Hyeung Cho
  • Publication number: 20240134489
    Abstract: An electronic device includes a display unit including an active area configured to display an image, a peripheral area adjacent to the active area, and an input sensing unit disposed on the display unit within the active area. The input sensing unit includes a first sensing electrode disposed in the active area and a second sensing electrode spaced apart from the first sensing electrode and disposed in the active area.
    Type: Application
    Filed: December 22, 2023
    Publication date: April 25, 2024
    Inventors: Eunsol SEO, Hyun-Wook CHO, Jaewoo CHOI, Taejoon KIM
  • Publication number: 20240134487
    Abstract: A touch sensor includes first touch cells disposed in a first touch sensing area, the first touch cells each including a first touch pattern and a first dummy pattern, and second touch cells disposed in a second touch sensing area, the second touch cells each including a second touch pattern and a second dummy pattern. An area of a first dummy pattern area in which the first dummy pattern is disposed is greater than an area of a second dummy pattern area in which the second dummy pattern is disposed.
    Type: Application
    Filed: January 2, 2024
    Publication date: April 25, 2024
    Inventors: Hyung Bae KIM, Min Hong KIM, Sang Kook KIM, Tae Joon KIM, Jae Hyun PARK, Ji Yeong LEE, Hyun Wook CHO
  • Publication number: 20240132640
    Abstract: Provided are a monomer composition for producing a superabsorbent polymer film, the monomer composition comprising an acrylic acid-based monomer having acidic groups, at least part of which is neutralized, a crosslinking agent, a cellulose-based thickener, a moisturizer, a polymerization initiator, a polyvalent metal salt, and a solvent, and being capable of producing a superabsorbent polymer film showing excellent absorption performances, particularly, an improved initial absorption rate while having a thin thickness, a method of producing a superabsorbent polymer film using the same, and a superabsorbent polymer film produced therefrom.
    Type: Application
    Filed: August 11, 2022
    Publication date: April 25, 2024
    Applicant: LG Chem, Ltd.
    Inventors: Seung Wook Cho, Kiyoul Yoon, Yu Jin Kim, Seongkyun Kang, Kookhyun Choi, Gicheul Kim
  • Patent number: 11963590
    Abstract: A ring-type wearable device is disclosed. The disclosed ring-type wearable device comprises: an outer ring member; an inner ring member separably inserted into the outer ring member; a sensor unit disposed in the outer ring member; and a control unit disposed in the outer ring member so as to be electrically connected to the sensor unit, wherein the sensor unit can maintain constant sensitivity in correspondence to the thickness of the inner ring member.
    Type: Grant
    Filed: May 6, 2022
    Date of Patent: April 23, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin-hong Min, Jea-hyuck Lee, Seong-wook Jo, Shin-hee Cho, Su-ho Lee
  • Publication number: 20240126396
    Abstract: An electronic apparatus includes an electronic panel including a plurality of sensing groups spaced apart from each other, and an electronic module overlapping with the electronic panel in a plan view. Each of the sensing groups includes a first sensing electrode extending in a second direction, and second sensing electrodes spaced apart from each other in the second direction, located on the same layer as the first sensing electrode, and face the first sensing electrode in a first direction. An opening overlapping with the electronic module and penetrating a first sensing group of the sensing groups is defined in the electronic panel, and at least one selected from the first sensing electrode and the second sensing electrodes of the first sensing group extends along an edge of the opening.
    Type: Application
    Filed: December 11, 2023
    Publication date: April 18, 2024
    Inventors: Joo-Hyeon JEONG, Taejoon KIM, Hyun-Wook CHO, Jaewoo CHOI