Patents by Inventor Hoon Chung

Hoon Chung 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: 20220005886
    Abstract: A display apparatus includes a base substrate including a display region and a peripheral region that is a non-display region surrounding the display region, a plurality of data lines disposed in the display region on the base substrate and extending to the peripheral region, a bypass data line disposed in the display region and the peripheral region on the base substrate and electrically connected to at least one of the data lines, and a dummy pattern spaced apart from the bypass data line and disposed on a same layer as the bypass data line.
    Type: Application
    Filed: September 24, 2019
    Publication date: January 6, 2022
    Inventors: Min-Jae JEONG, Jae-Yong JANG, Gyung-Soon PARK, Kyung-Hoon CHUNG, Chong-Chul CHAI
  • Patent number: 11218194
    Abstract: A method for transmitting a reference signal in a multi-antenna system is provided. The method includes: selecting at least one orthogonal frequency division multiplexing (OFDM) symbol in a subframe containing a plurality of OFDM symbols; allocating a channel quality indication reference signal (CQI RS) capable of measuring a channel state for each of a plurality of antennas to the selected at least one OFDM symbol; and transmitting the CQI RS, wherein the CQI RS is allocated to an OFDM symbol which does not overlap with an OFDM symbol to which a common reference signal to be transmitted to all user equipments in a cell or a dedicated reference signal to be transmitted to a specific user equipment in the cell is allocated.
    Type: Grant
    Filed: January 28, 2020
    Date of Patent: January 4, 2022
    Assignee: LG ELECTRONICS INC.
    Inventors: Hyun Soo Ko, Seung Hee Han, Ja Ho Koo, Jae Hoon Chung, Bin Chul Ihm, Moon Il Lee
  • Publication number: 20210398480
    Abstract: A display device includes a light-emitting diode including a first conductivity-type semiconductor, an active layer, and a second conductivity-type semiconductor; a first voltage line to which a first voltage is applied; a second voltage line to which a second voltage is applied; a first transistor including a source electrode electrically connected to the first voltage line and a drain electrode electrically connected to a first electrode of the light-emitting diode and to the first conductivity-type semiconductor; a second transistor including a drain electrode electrically connected to a gate electrode of the first transistor and a source electrode electrically connected to a data line to apply a data signal; a capacitor electrically connected to the gate electrode of the first transistor and the first electrode; and a third transistor including a source electrode electrically connected to the second voltage line and a drain electrode electrically connected to the first electrode.
    Type: Application
    Filed: September 3, 2021
    Publication date: December 23, 2021
    Inventors: Min Jae JEONG, Kyung Bae KIM, Chong Chul CHAI, Kyung Hoon CHUNG
  • Patent number: 11205380
    Abstract: A pixel including: a light-emitting element; a first transistor including a first electrode coupled to a power source and a second electrode coupled to the light-emitting element; a first capacitor between a second and a third node; a second transistor between the third node and a data line and turned on by a scan signal; a third transistor between a first node and the second node and turned on by a first control signal; a fourth transistor between the power source and the third node and turned on by a second control signal; a fifth transistor between the power source and the first electrode of the first transistor and turned on by an emission control signal; a sixth transistor between the second node and the light-emitting element and turned on by a previous emission control signal; and a second capacitor between the power source and the first node.
    Type: Grant
    Filed: April 20, 2020
    Date of Patent: December 21, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jun Hyun Park, Bon Yong Koo, Yu Jin Lee, Kyung Hoon Chung, Chong Chul Chai
  • Publication number: 20210364478
    Abstract: The present disclosure provides an object recognition apparatus, which includes: an actuator unit configured to contact an object and generate vibrations and transmit them through objects based on the inherent characteristic of the object; and a sensor unit connected to the actuator unit to receive the vibration and generate a voltage signal.
    Type: Application
    Filed: November 12, 2020
    Publication date: November 25, 2021
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Youngsu CHA, Jae Hoon CHUNG, Yonghwan OH
  • Publication number: 20210343761
    Abstract: A method of manufacturing a display device, the method including providing a substrate, forming a first electrode, a second electrode spaced from the first electrode and in a same plane as the first electrode, a first alignment line connected to the first electrode, and a second alignment line connected to the second electrode on the substrate, self-aligning the plurality of light emitting elements by providing a solution containing a plurality of light emitting elements on the substrate, removing the first alignment line and the second alignment line from the substrate on which the plurality of light emitting elements are self-aligned, forming a first contact electrode electrically connecting one end of each light emitting element to the first electrode, and forming a second contact electrode electrically connecting an other end of each light emitting element to the second electrode.
    Type: Application
    Filed: July 19, 2021
    Publication date: November 4, 2021
    Inventors: Hyun Joon KIM, Kyung Bae KIM, Kyung Hoon CHUNG, Mee Hye JUNG
  • Publication number: 20210343566
    Abstract: An apparatus for manufacturing a display device includes: a first housing having a first chamber; a support member disposed in the first chamber and including a frame having a plurality of openings; a plurality of adhesive patterns disposed on the frame; and a plurality of electrostatic supports overlapping the plurality of openings and supported for reciprocal movement in respective ones of the openings.
    Type: Application
    Filed: January 21, 2021
    Publication date: November 4, 2021
    Inventors: Jae Won SHIM, Yoon Jae LEE, Sung Lae KIM, Kang Won LEE, Kyung Hoon CHUNG
  • Publication number: 20210336746
    Abstract: A method and apparatus for requesting uplink resources in a wireless communication system is provided. A user equipment determines whether a scheduling request for requesting uplink resources is triggered. If the scheduling request is triggered, the user equipment transmits a first set of frequency domain sequences and a second set of frequency domain sequences in a subframe.
    Type: Application
    Filed: July 2, 2021
    Publication date: October 28, 2021
    Inventors: Yeong Hyeon KWON, Seung Hee HAN, Hyun Woo LEE, Jae Hoon CHUNG, Jin Sam KWAK, Dong Cheol KIM, Min Seok NOH
  • Publication number: 20210325639
    Abstract: A laser processing apparatus includes a laser source which generates a laser beam; a scanner unit disposed in an optical path of the laser beam from the laser source and which adjusts the optical path of the laser beam from the laser source in a first direction or in a second direction different from the first direction; and a reflector unit disposed in an optical path of the laser beam adjusted by the scanner unit and which reflects the laser beam adjusted by the scanner unit, where the reflector unit includes a first sub-reflector unit which shifts an optical path of the laser adjusted by the scanner unit in the first direction, and a second sub-reflector unit which shifts an optical path of the laser beam adjusted by the scanner unit in a third direction opposite to the first direction.
    Type: Application
    Filed: June 29, 2021
    Publication date: October 21, 2021
    Inventors: Emil ASLANOV, Je Kil RYU, Hae Sook LEE, Kyung Hoon CHUNG, Gyoo Wan HAN
  • Publication number: 20210320237
    Abstract: A display device comprises a substrate, a semiconductor layer thereon, a first insulating layer on the semiconductor layer, a first conductive layer on the first insulating layer and including a first electrode pattern, a second insulating layer on the first insulating layer and including first and second conductive patterns, a third insulating layer on the second conductive layer, and a display element layer on the third insulating layer and including a first pixel electrode connected to the first conductive pattern through a first via hole, a second pixel electrode connected to the second conductive pattern through a second via hole, and a micro light-emitting element between the pixel electrodes, the first conductive pattern contacting the semiconductor layer through a first contact hole and the first electrode pattern through a second contact hole, and the second conductive pattern overlapping the first electrode pattern to form a first capacitor therewith.
    Type: Application
    Filed: February 12, 2019
    Publication date: October 14, 2021
    Inventors: Kyung Bae KIM, Hyun Joon KIM, Kyung Hoon CHUNG, Mee Hye JUNG, Min Jae JEONG, Jun Ki JEONG
  • Patent number: 11127343
    Abstract: A display device includes a light-emitting diode including a first conductivity-type semiconductor, an active layer, and a second conductivity-type semiconductor; a first voltage line to which a first voltage is applied; a second voltage line to which a second voltage is applied; a first transistor including a source electrode electrically connected to the first voltage line and a drain electrode electrically connected to a first electrode of the light-emitting diode and to the first conductivity-type semiconductor; a second transistor including a drain electrode electrically connected to a gate electrode of the first transistor and a source electrode electrically connected to a data line to apply a data signal; a capacitor electrically connected to the gate electrode of the first transistor and the first electrode; and a third transistor including a source electrode electrically connected to the second voltage line and a drain electrode electrically connected to the first electrode.
    Type: Grant
    Filed: January 8, 2020
    Date of Patent: September 21, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min Jae Jeong, Kyung Bae Kim, Chong Chul Chai, Kyung Hoon Chung
  • Patent number: 11114033
    Abstract: A pixel including: a light emitter; a first transistor including first and second electrodes respectively connected to power and the light emitter, the first transistor controlling driving current; a first capacitor between a second and third node; a second transistor between the third node and data line and turned on by a scan signal; a third transistor between a first and second node, and turned on by a control signal; a fourth transistor between power and the third node, and turned on by a emission control signal; a fifth transistor between power and the first electrode, and turned on by the emission control signal; a sixth transistor between the second node and the light emitter, and turned on by another emission control signal; and a second capacitor between power and the first node, wherein the fourth, fifth and sixth transistors turn-on/off at least four times in a non-emission period.
    Type: Grant
    Filed: April 22, 2020
    Date of Patent: September 7, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jun Hyun Park, Bon Yong Koo, Yu Jin Lee, Kyung Hoon Chung, Chong Chul Chai
  • Publication number: 20210256908
    Abstract: A display device includes a display panel including a plurality of pixels, a timing controller which generates an emission start signal, an emission driver which supplies an emission control signal to the plurality of pixels based on the emission start signal received from the timing controller, a first scan driver which supplies a first scan signal to the plurality of pixels, a second scan driver which supplies a second scan signal to the plurality of pixels, and a data driver which supplies a data signal to the plurality of pixels. The timing controller adjusts a period in which the emission start signal is supplied based on a change of a driving frequency.
    Type: Application
    Filed: October 14, 2020
    Publication date: August 19, 2021
    Inventors: Jun Hyun PARK, Bon Yong KOO, Byung Chang YU, Yu Jin LEE, Kyung Hoon CHUNG
  • Patent number: 11084379
    Abstract: A user interface capable of controlling various functions of a vehicle is disclosed. More particularly, an in-vehicle function control apparatus using a detachable knob and a method of controlling the same are disclosed. A method of controlling a vehicle function using a detachable knob includes an integrated operation unit detecting an attachment position of the detachable knob among a plurality of attachment positions in a vehicle, transmitting information on a result of the operation from the detachable knob to the integrated operation unit when an operation unit provided in the detachable knob is operated, and the integrated operation unit controlling a controlled function corresponding to the attachment position of the detachable knob based on the information on the result. The detachable knob is fixed at any one of the plurality of attachment positions using magnetic force.
    Type: Grant
    Filed: November 20, 2019
    Date of Patent: August 10, 2021
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Si Hoon Sung, Jae Hoon Chung, Sung Un Kim
  • Patent number: 11082185
    Abstract: A method and apparatus for requesting uplink resources in a wireless communication system is provided. A user equipment determines whether a scheduling request for requesting uplink resources is triggered. If the scheduling request is triggered, the user equipment transmits a first set of frequency domain sequences and a second set of frequency domain sequences in a subframe.
    Type: Grant
    Filed: April 23, 2019
    Date of Patent: August 3, 2021
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Yeong Hyeon Kwon, Seung Hee Han, Hyun Woo Lee, Jae Hoon Chung, Jin Sam Kwak, Dong Cheol Kim, Min Seok Noh
  • Patent number: 11079571
    Abstract: A laser processing apparatus includes a laser source which generates a laser beam; a scanner unit disposed in an optical path of the laser beam from the laser source and which adjusts the optical path of the laser beam from the laser source in a first direction or in a second direction different from the first direction; and a reflector unit disposed in an optical path of the laser beam adjusted by the scanner unit and which reflects the laser beam adjusted by the scanner unit, where the reflector unit includes a first sub-reflector unit which shifts an optical path of the laser adjusted by the scanner unit in the first direction, and a second sub-reflector unit which shifts an optical path of the laser beam adjusted by the scanner unit in a third direction opposite to the first direction.
    Type: Grant
    Filed: October 25, 2017
    Date of Patent: August 3, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Emil Aslanov, Je Kil Ryu, Hae Sook Lee, Kyung Hoon Chung, Gyoo Wan Han
  • Publication number: 20210231993
    Abstract: A tiled display device includes an array of a plurality of display panels. Each of the plurality of display panels includes a plurality of pixels constituting a plurality of pixel rows and a plurality of pixel columns, a data distributor disposed between a first pixel of a first pixel row among the plurality of pixel rows and a second pixel of the first pixel row adjacent to the first pixel in a first direction, and a scan driver disposed between the second pixel and a third pixel adjacent to the second pixel in the first direction.
    Type: Application
    Filed: April 15, 2021
    Publication date: July 29, 2021
    Inventors: JUN KI JEONG, Hyun Joon KIM, Kyung Bae KIM, Kyung Hoon CHUNG, Chong Chul CHAI
  • Patent number: 11069726
    Abstract: A method of manufacturing a display device, the method including providing a substrate, forming a first electrode, a second electrode spaced from the first electrode and in a same plane as the first electrode, a first alignment line connected to the first electrode, and a second alignment line connected to the second electrode on the substrate, self-aligning the plurality of light emitting elements by providing a solution containing a plurality of light emitting elements on the substrate, removing the first alignment line and the second alignment line from the substrate on which the plurality of light emitting elements are self-aligned, forming a first contact electrode electrically connecting one end of each light emitting element to the first electrode, and forming a second contact electrode electrically connecting an other end of each light emitting element to the second electrode.
    Type: Grant
    Filed: January 30, 2019
    Date of Patent: July 20, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Joon Kim, Kyung Bae Kim, Kyung Hoon Chung, Mee Hye Jung
  • Publication number: 20210210167
    Abstract: The present disclosure relates to a method for measuring the intensity of pain and, more particularly, provides a method capable of measuring the intensity of pain by providing a pain template.
    Type: Application
    Filed: May 29, 2019
    Publication date: July 8, 2021
    Inventors: Sang Jeong KIM, Gee Hoon CHUNG, Chae Young KIM
  • Patent number: RE48741
    Abstract: The present invention relates to a wireless communication system. More specifically, the present invention relates to a method for transmitting control signal via a PUCCH in a wireless communication system, and to an apparatus for the method, wherein the method comprises the following steps: joint-coding a plurality of pieces of control information to obtain a single codeword; obtaining a first modulation symbol sequence from the single codeword; obtaining, from the first modulation symbol sequence, a plurality of second modulation symbol sequences corresponding to each slot in the PUCCH; cyclically shifting the plurality of second modulation symbol sequences in a time domain to obtain a plurality of third modulation symbol sequences; performing a discrete Fourier transform (DFT) precoding process on the plurality of third modulation symbol sequences to obtain a plurality of complex symbol sequences in a frequency domain; and transmitting the plurality of complex symbol sequences via the PUCCH.
    Type: Grant
    Filed: October 2, 2017
    Date of Patent: September 14, 2021
    Assignee: LG Electronics Inc.
    Inventors: Seung Hee Han, Jae Hoon Chung, Sung Ho Moon, Moon Il Lee