Patents by Inventor Jung-Min Choi

Jung-Min Choi 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: 11334200
    Abstract: Disclosed is a touch sensing device for implementing a high resolution, which decreases a touch sensing period of an active pen in one frame to increase a display period. The touch sensing device includes a touch driver transmitting an uplink signal to an active pen through a touch electrode provided in a display panel during a first touch sensing period included in one frame period, a touch sensing unit sensing a downlink signal transmitted from the active pen on the basis of a capacitance occurring between the active pen and the touch electrode to generate first sensing data during a plurality of second touch sensing periods included in the one frame period, and a touch controller calculating pen data and pen touch coordinates of the active pen on the basis of the first sensing data generated during the second touch sensing period.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: May 17, 2022
    Assignee: SILICON WORKS CO., LTD.
    Inventors: Jung Min Choi, Moon Ho Jang, Bang Sik Dong
  • Publication number: 20220149323
    Abstract: A display device includes: a substrate including an opening area, a peripheral area surrounding the opening area, and a display area surrounding the peripheral area; a transistor disposed on the display area of the substrate; a first electrode electrically connected to the transistor; an intermediate layer overlapping the first electrode; a second electrode disposed on the intermediate layer; a first dam disposed on the peripheral area of the substrate; and a first encapsulation inorganic layer disposed on the second electrode, wherein the first encapsulation inorganic layer is in contact with a side of the first dam in the peripheral area.
    Type: Application
    Filed: July 1, 2021
    Publication date: May 12, 2022
    Inventors: Sang Yeol KIM, Eon Seok OH, Woo Sik JEON, Jung Min CHOI
  • Publication number: 20220139320
    Abstract: An embodiment relates to a pixel sensing technique. By supplying a precharge voltage to a sensing line using an amplifier used in pixel sensing, it is possible to minimize differences between precharge voltages of sensing lines and solve a crosstalk problem between the sensing lines, while not increasing a size of a pixel sensing device.
    Type: Application
    Filed: October 18, 2021
    Publication date: May 5, 2022
    Inventor: Jung Min Choi
  • Publication number: 20220131103
    Abstract: A display device includes: a substrate including an opening area, a peripheral area surrounding the opening area, and a display area surrounding the peripheral area; a transistor overlapping the display area and disposed on the substrate; a first electrode electrically connected to the transistor; an intermediate layer and a second electrode disposed on the first electrode and extending to the peripheral area; and a metal layer overlapping the intermediate layer and the second electrode in the peripheral area, wherein an end of the first metal layer and an end of the second electrode are aligned, and an end of the intermediate layer is protruded more than the end of the first metal layer.
    Type: Application
    Filed: March 28, 2021
    Publication date: April 28, 2022
    Inventors: Tae Hyun SUNG, Sang Yeol KIM, Woo Sik JEON, Jung Min CHOI, Eon Seok OH
  • Publication number: 20220129179
    Abstract: A data processing apparatus includes a memory pool including a plurality of memory modules; and a controller coupled to the memory pool through a bus. The controller is configured to collect a status of a computing resource of the data processing apparatus, construct meta information indicating the status of the computing resource, and transmit the meta information to the host device coupled through a network.
    Type: Application
    Filed: April 12, 2021
    Publication date: April 28, 2022
    Inventor: Jung Min CHOI
  • Patent number: 11308840
    Abstract: The present disclosure relates to a technology for a low power operation of a display device. The present disclosure allows reducing power consumption by supplying image data of a pixel of a preceding line again for a pixel of a current line without transmitting new image data when image data are repeated in units of pixels.
    Type: Grant
    Filed: November 20, 2020
    Date of Patent: April 19, 2022
    Assignee: SILICON WORKS CO., LTD.
    Inventors: Jung Min Choi, Jong Min Park, Woong Jin Oh
  • Publication number: 20220114937
    Abstract: The present disclosure relates to a data-driving device and a system for driving a display device and, more specifically, a data-driving device and a system for reducing power consumption of a display device by reducing a static current of the data-driving device.
    Type: Application
    Filed: September 29, 2021
    Publication date: April 14, 2022
    Inventors: Hee Yoon Jung, Jung Min Choi, Jong Min Park
  • Patent number: 11297253
    Abstract: Disclosed is a control system for controlling a plurality of user terminals. The control system includes at least: a control device including a processor, and configured to determine a command to be executed by the plurality of user terminals located in a concert hall or stadium; a transmitter configured to transmit a wireless signal corresponding to the determined command; a plurality of receivers, each of which is connected to a respective user terminal of the plurality of user terminals, receives the wireless signal, and transmits the received wireless signal to the respective user terminal; and the plurality of user terminals, each of which is configured to perform a command corresponding to the wireless signal transmitted from a respective receiver of the plurality of receivers.
    Type: Grant
    Filed: January 12, 2021
    Date of Patent: April 5, 2022
    Assignee: FANLIGHT CO., LTD.
    Inventors: Ho Lim Song, Jung Min Choi
  • Patent number: 11282429
    Abstract: The present disclosure, which relates to a power management integrated circuit to dynamically control ripples of driving voltages, allows reducing power consumption of the power management integrated circuit in a section where there is no operation for a display.
    Type: Grant
    Filed: October 8, 2020
    Date of Patent: March 22, 2022
    Assignee: SILICON WORKS CO., LTD.
    Inventors: Jung Min Choi, Seong Sik Yoon, Sang Woo Kim, Jung Hyun Tark
  • Patent number: 11270615
    Abstract: An embodiment of the present disclosure relates to a display device allowing minimizing repetitive transmissions and receptions of identical pieces of image data so as to reduce power consumption due to the repetitive transmissions and receptions of identical pieces of image data.
    Type: Grant
    Filed: August 4, 2020
    Date of Patent: March 8, 2022
    Assignee: SILICON WORKS CO., LTD.
    Inventors: Jung Min Choi, Ju Ho Lee, Jung Hwan Choi
  • Patent number: 11254871
    Abstract: An etching composition for silicon nitride layers and a method of etching a silicon nitride layer using the composition, the etching composition including an inorganic acid or a salt thereof; a solvent; an acid-modified silica or an acid-modified silicic acid; and a cyclic compound containing four or more nitrogen atoms.
    Type: Grant
    Filed: October 15, 2020
    Date of Patent: February 22, 2022
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Jung Min Choi, Jun Young Jang, Hyun Jung Kim, Hyung Rang Moon, Ji Hye Lee, Kwen Woo Han, Ki Wook Hwang
  • Publication number: 20220011895
    Abstract: A display driving device capable of operating a source driver integrated circuit (IC) in a low power mode during a touch sensing period includes a source driver IC configured to operate in a first low power mode in which an analog data processing unit is deactivated or operate in a second low power mode in which both of the analog data processing unit and a digital data processing unit are deactivated, during a touch sensing period of a first frame; and a readout IC configured to supply touch sensor driving signals to touch sensors during the touch sensing period and receive touch sensing data from the touch sensors according to the touch sensor driving signals.
    Type: Application
    Filed: July 6, 2021
    Publication date: January 13, 2022
    Inventors: Jong Min PARK, Seong Sik YOON, Jung Min CHOI
  • Patent number: 11218157
    Abstract: A technique is disclosed for sensing a display electrode in addition to a touch sensor in order to remove noise delivered from the display electrode to the touch sensor through parasitic capacitance, and generating a touch signal by removing a noise signal, generated from the display electrode, from a sensor signal generated by the touch sensor.
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: January 4, 2022
    Assignee: SILICON WORKS CO., LTD.
    Inventor: Jung Min Choi
  • Publication number: 20210407349
    Abstract: The present disclosure relates to a technique for determining a fault of a data line disposed in a display panel using a data driving device. The data driving device may determine a fault of a data line by supplying a data voltage corresponding to a greyscale value to a data line and checking whether another data line is influenced by the data voltage.
    Type: Application
    Filed: June 24, 2021
    Publication date: December 30, 2021
    Inventor: Jung Min Choi
  • Publication number: 20210385719
    Abstract: The present invention relates to a method and device for distributing idle UE by a carrier in eNB of a multi-carrier based mobile communication system. The method of distributing idle UE in a multi-carrier based mobile communication system according to the present invention includes a process of determining a search rate by a carrier on the basis of information representing load on the carrier, a step of determining a cell reselection priority on the idle UE on the basis of the determined search rate, and a process of transmitting the determined cell reselection priority to the idle UE.
    Type: Application
    Filed: August 23, 2021
    Publication date: December 9, 2021
    Inventors: Jeong-Jae WON, Dae-Joong KIM, Han-Seok KIM, Abhishek ROY, Hwa-Jin CHA, Jung-Min CHOI
  • Patent number: 11195491
    Abstract: Power consumption of a display device is reduced by controlling power supplies in driving sections and in non-driving sections to be different.
    Type: Grant
    Filed: March 31, 2020
    Date of Patent: December 7, 2021
    Assignee: SILICON WORKS CO., LTD.
    Inventors: Jung Min Choi, Hong Kyu Choi, Seong Sik Yoon, Jung Hyun Tark
  • Publication number: 20210363423
    Abstract: An etching composition for silicon nitride comprising: a phosphoric acid compound; water; and at least one of a silane compound represented by Formula 1 and a reaction product thereof, and an etching method using the same are disclosed.
    Type: Application
    Filed: April 5, 2019
    Publication date: November 25, 2021
    Inventors: Ki Wook HWANG, Sang Ran KOH, Youn Jin CHO, Jung Min CHOI, Kwen Woo HAN, Jun Young Jang, Yong Woon YOON
  • Publication number: 20210365156
    Abstract: Disclosed is a technology that supplies a signal to a panel driving integrated circuit (IC). A plurality of signals having different characteristics are stably provided to a panel driving IC according to a display operation or a touch operation, by controlling capacitance connected to a transmission conduction wire.
    Type: Application
    Filed: May 17, 2021
    Publication date: November 25, 2021
    Inventors: Jung Min CHOI, Jong Min PARK, Hee Yoon JUNG, Seong Sik YOON
  • Publication number: 20210271600
    Abstract: A data storage device may include: a first memory configured to store a plurality of instructions and data required during an application operation; a cache configured to read, from the first memory, first data for operating the application and store the read first data therein; a processor configured to propagate a data read request to the first cache, a prefetcher, or both when a pointer chasing instruction is generated or a cache miss for the first cache occurs while the processor reads one or more instructions of the plurality of instructions and executes an application; and the prefetcher configured to read second data associated with the pointer chasing instruction or the cache miss from the first memory, and propagate the read second data to the cache.
    Type: Application
    Filed: June 30, 2020
    Publication date: September 2, 2021
    Inventors: Jung Min CHOI, Byung Il KOH, Eui Cheol LIM
  • Patent number: 11102692
    Abstract: The present invention relates to a method and device for distributing idle UE by a carrier in eNB of a multi-carrier based mobile communication system. The method of distributing idle UE in a multi-carrier based mobile communication system according to the present invention includes a process of determining a search rate by a carrier on the basis of information representing load on the carrier, a step of determining a cell reselection priority on the idle UE on the basis of the determined search rate, and a process of transmitting the determined cell reselection priority to the idle UE.
    Type: Grant
    Filed: July 20, 2020
    Date of Patent: August 24, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jeong-Jae Won, Dae-Joong Kim, Han-Seok Kim, Abhishek Roy, Hwa-Jin Cha, Jung-Min Choi