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).

  • Publication number: 20220416212
    Abstract: A display device includes a substrate, a transistor on the substrate, a pixel electrode connected to the transistor, a bank layer disposed on the pixel electrode and defining a pixel opening overlapping the pixel electrode, an emission layer in the pixel opening, a common electrode on the emission layer and the bank layer, an encapsulation layer on the common electrode, a sensing electrode on the encapsulation layer, a first insulating layer disposed on the encapsulation layer and overlapping the pixel opening, a second insulating layer on the first insulating layer, and a third insulating layer surrounding the first insulating layer. A refractive index of the first insulating layer, a refractive index of the second insulating layer, and a refractive index of the third insulating layer are different from one another, and the refractive index of the first insulating layer is greater than the refractive index of the third insulating layer.
    Type: Application
    Filed: February 3, 2022
    Publication date: December 29, 2022
    Inventors: Jin-Su BYUN, Jong Beom HONG, Woong Sik KIM, Jung Min CHOI
  • Patent number: 11508274
    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: Grant
    Filed: June 24, 2021
    Date of Patent: November 22, 2022
    Assignee: Silicon Works Co., Ltd.
    Inventor: Jung Min Choi
  • Publication number: 20220357790
    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: July 25, 2022
    Publication date: November 10, 2022
    Inventor: Jung Min CHOI
  • Publication number: 20220351661
    Abstract: The present disclosure, in an aspect, relates to a source driver to control a bias current, and more particularly, to a source driver, in which a bias current of a buffer is controlled depending on a distance between the source driver and a pixel in a data line and a position, regarding which a bias current is set, and the intensity of the bias current are changed in every frame so that unnecessary power consumption due to bias currents may be reduced and a block-dim phenomenon may be alleviated.
    Type: Application
    Filed: August 7, 2020
    Publication date: November 3, 2022
    Inventors: Jung Min Choi, Hyung Sub Kim
  • Patent number: 11474638
    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: Grant
    Filed: October 27, 2020
    Date of Patent: October 18, 2022
    Assignee: SILICON WORKS CO., LTD.
    Inventor: Jung Min Choi
  • Patent number: 11422612
    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: Grant
    Filed: October 28, 2020
    Date of Patent: August 23, 2022
    Assignee: SILICON WORKS CO., LTD.
    Inventor: Jung Min Choi
  • Publication number: 20220264727
    Abstract: Disclosed is a performance directing system by using a plurality of layers including a control console device generating and transmitting a data packet including direction information for each of the plurality of layers and a plurality of light emitting devices, each of which receives the data packet from the control console device and each of which emits light based on the direction information included in the data packet.
    Type: Application
    Filed: May 4, 2022
    Publication date: August 18, 2022
    Applicant: FANLIGHT CO., LTD.
    Inventors: Kyung Il CHOI, Jung Min CHOI, Hyun Gil KIM
  • Publication number: 20220264733
    Abstract: Disclosed is a performance directing system including a control console device that generates at least one emission control signal including data, in which an emission-related operation is defined for each direction scene, and transmits the at least one emission control signal to at least one communication device, the at least one communication device that transmits the emission control signal received from the control console device, and at least one light emitting device that identifies an emission control signal, which includes predetermined identification information of a communication device, from among the emission control signal thus transmitted and performs the emission-related operation defined in the data in the identified emission control signal.
    Type: Application
    Filed: May 4, 2022
    Publication date: August 18, 2022
    Applicant: FANLIGHT CO., LTD.
    Inventors: Kyung Il CHOI, Jung Min CHOI, Hyun Gil KIM
  • Publication number: 20220258066
    Abstract: The inventive concept includes a control console device to generate and transmit a data packet for a light emitting operation for each production scene for a performance, and a plurality of light emitting devices to receive the data packet from the control console device and to perform the light emitting operation in the data packet. The light emitting device emits light in a first color corresponding to first group information for a first production scene, which is contained in the data packet, based on group information for each production scene which is previously stored.
    Type: Application
    Filed: May 3, 2022
    Publication date: August 18, 2022
    Applicant: FANLIGHT CO., LTD.
    Inventors: Kyung Il CHOI, Jung Min CHOI, Hyun Gil KIM
  • Publication number: 20220264273
    Abstract: Disclosed is a lighting control system for directing a show. The system includes at least: a master device; and a plurality of slave devices that receive lighting control signals from the master device. The light control signals correspond to seats of a plurality of audiences in an auditorium. The plurality of slave devices receive position information indicating specific positions at which the plurality of slave devices emit a light, light-emitting status information including preset information to classify the plurality of slave devices into a plurality of groups, and group identification number information. The plurality of slave devices are grouped in accordance with received information. The master device controls the grouped plurality of slave devices to emit a light per group basis by broadcasting the lighting control signals including group light-emitting pattern information for each of the plurality of groups of the plurality of slave devices.
    Type: Application
    Filed: May 2, 2022
    Publication date: August 18, 2022
    Applicant: Hanam Artec Co., Ltd.
    Inventors: Gil Won LEE, Ho Lim SONG, Jung Min CHOI, Kyung Il CHOI
  • Publication number: 20220198982
    Abstract: The present disclosure relates to a data driving device and a display device including the same, and more particularly, to a data driving device and a display device including the same, capable of improving the slew rate and the display speed of the display device by overdriving a pixel of a display panel with a power voltage of the data driving device.
    Type: Application
    Filed: December 17, 2021
    Publication date: June 23, 2022
    Inventor: Jung Min Choi
  • Publication number: 20220191375
    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: March 7, 2022
    Publication date: June 16, 2022
    Applicant: FANLIGHT CO., LTD.
    Inventors: Ho Lim SONG, Jung Min CHOI
  • Patent number: 11350258
    Abstract: Disclosed is a lighting control system for directing a show. The system includes at least: a master device; and a plurality of slave devices that receive lighting control signals from the master device. The light control signals correspond to seats of a plurality of audiences in an auditorium. The plurality of slave devices receive position information indicating specific positions at which the plurality of slave devices emit a light, light-emitting status information including preset information to classify the plurality of slave devices into a plurality of groups, and group identification number information. The plurality of slave devices are grouped in accordance with received information. The master device controls the grouped plurality of slave devices to emit a light per group basis by broadcasting the lighting control signals including group light-emitting pattern information for each of the plurality of groups of the plurality of slave devices.
    Type: Grant
    Filed: July 15, 2020
    Date of Patent: May 31, 2022
    Assignee: Hanam Artec Co., Ltd.
    Inventors: Gil Won Lee, Ho Lim Song, Jung Min Choi, Kyung Il Choi
  • 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