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).

  • Control system for controlling plurality of user terminals
    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
  • Display device and power management integrated circuit
    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
  • Display device
    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
  • Etching composition for silicon nitride layer and method of etching silicon nitride layer using the same
    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
  • APPARATUS AND METHOD FOR DRIVING DISPLAY
    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
  • Touch driving device and display device for directly sensing display electrode noise
    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
  • Display Panel Driving Device
    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
  • METHOD AND DEVICE FOR DISTRIBUTING IDLE USER EQUIPMENT IN MULTI-CARRIER BASED MOBILE COMMUNICATION SYSTEM
    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
  • Power management device to minimize power consumption
    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
  • Display Device Including Device for Supplying Signal to Panel Driving Integrated Circuit
    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
  • COMPOSITION FOR ETCHING SILICON NITRIDE FILM AND ETCHING METHOD USING SAME
    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
  • DATA STORAGE DEVICE AND OPERATING METHOD THEREOF
    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
  • Method and device for distributing idle user equipment in multi-carrier based mobile communication system
    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
  • Control system for controlling plurality of user terminals
    Patent number: 11064127
    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: November 12, 2019
    Date of Patent: July 13, 2021
    Assignee: FANLIGHT CO., LTD.
    Inventors: Ho Lim Song, Jung Min Choi
  • DISPLAY DEVICE, TIMING CONTROLLER AND SOURCE DRIVER
    Publication number: 20210174722
    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: Application
    Filed: November 20, 2020
    Publication date: June 10, 2021
    Inventors: Jung Min CHOI, Jong Min PARK, Woong Jin OH
  • DISPLAY DEVICE AND DRIVING DEVICE FOR DRIVING A PANEL
    Publication number: 20210157467
    Abstract: The present disclosure relates to a technology of sensing a touch. According to the present disclosure, touch sensors are driven in a time division way using multiplexers disposed on a panel and auxiliary signals, with a same phase as that of driving signals, are supplied to electrodes around a touch sensor in driving so as to reduce the introduction of noises from the neighboring electrodes.
    Type: Application
    Filed: October 27, 2020
    Publication date: May 27, 2021
    Inventor: Jung Min CHOI
  • DISPLAY DEVICE
    Publication number: 20210149474
    Abstract: The present disclosure, which relates to a technology for controlling power of a display device, allows reducing power consumption by driving circuits for a display operation and circuits for a touch sensing operation with low power depending on a display operation or a touch sensing operation of a display panel.
    Type: Application
    Filed: October 28, 2020
    Publication date: May 20, 2021
    Inventor: Jung Min CHOI
  • CONTROL SYSTEM FOR CONTROLLING PLURALITY OF USER TERMINALS
    Publication number: 20210136272
    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: Application
    Filed: January 12, 2021
    Publication date: May 6, 2021
    Applicant: FANLIGHT CO., LTD.
    Inventors: Ho Lim SONG, Jung Min CHOI
  • DATA STORAGE DEVICE AND OPERATING METHOD THEREOF
    Publication number: 20210132988
    Abstract: A data storage device includes a shared command queue, a queue controller, a processor, and a memory. The command queue is configured to queue a plurality of jobs transmitted from a plurality of host processors. The queue controller is configured to classify the plurality of jobs into a plurality of levels of jobs according to priority threshold values and assign jobs of the plurality of levels of jobs the processor. The processor is configured to process the jobs assigned by the queue controller. The memory may store data needed to process the job.
    Type: Application
    Filed: April 17, 2020
    Publication date: May 6, 2021
    Inventor: Jung Min CHOI
  • ETCHING COMPOSITION FOR SILICON NITRIDE LAYER AND METHOD OF ETCHING SILICON NITRIDE LAYER USING THE SAME
    Publication number: 20210115335
    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: Application
    Filed: October 15, 2020
    Publication date: April 22, 2021
    Inventors: Jung Min CHOI, Jun Young JANG, Hyun Jung KIM, Hyung Rang MOON, Ji Hye LEE, Kwen Woo HAN, Ki Wook HWANG