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).

  • 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: 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
  • 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
  • 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: 11057840
    Abstract: A method for detecting control information in a wireless communication system is provided. The method includes checking a cyclic redundancy check (CRC) error by monitoring control channels, determining whether a value of an error check field is equal to a specific value, and, if the value of the error check field is equal to a specific value, detecting the control information on the control channel.
    Type: Grant
    Filed: July 9, 2019
    Date of Patent: July 6, 2021
    Assignee: LG Electronics Inc.
    Inventors: Jae Hoon Chung, So Yeon Kim, Jong Min Kim, Doo Hyun Sung
  • Publication number: 20210160860
    Abstract: The present invention relates to a wireless communication system and provides an efficient control information transmission method and apparatus for supporting a multiple antenna transmission technique. A method is provided for transmitting downlink hybrid automatic repeat request (HARQ) information related to an uplink multiple codeword transmission and includes receiving the uplink multiple codeword transmission, generating HARQ information related to each of the multiple codewords based on a result of decoding each of the multiple codewords, modulating the HARQ information, and transmitting the modulated HARQ information via one or more physical HARQ indicator channels (PHICHs).
    Type: Application
    Filed: February 5, 2021
    Publication date: May 27, 2021
    Applicant: BlackBerry Limited
    Inventors: Hyun Soo KO, Jae Hoon CHUNG, Bin Chul IHM, Moon Il LEE
  • Publication number: 20210143968
    Abstract: A method of generating Acknowledgement/Negative Acknowledgement (ACK/NACK) information by a user equipment (UE) in a wireless communication system is discussed. The method includes receiving, by the UE from a base station (BS), a plurality of codewords through a plurality of downlink frequency bands related to a plurality of downlink carriers, wherein the UE is configured with a 1-codeword mode or a 2-codeword mode for each of the plurality of downlink frequency bands independently, and wherein a number of supported codewords is one for the 1-codeword mode or two for the 2-codeword mode; determining, by the UE, a total number of ACK/NACK bits, wherein the total number of ACK/NACK bits is determined based on a total number of the plurality of downlink carriers and the number of supported codewords; and generating, by the UE, a sequence of the ACK/NACK bits based on the total number of the ACK/NACK bits.
    Type: Application
    Filed: January 22, 2021
    Publication date: May 13, 2021
    Inventors: Yeong Hyeon KWON, Jae Hoon CHUNG, Seung Hee HAN, So Yeon KIM
  • Patent number: 11005627
    Abstract: A method of transmitting a reference signal by a base station in a wireless communication system is provided. The method includes: generating a plurality of reference signals for channel measurement, wherein the plurality of reference signals for channel measurement are different types; and transmitting the plurality of reference signals for channel measurement, wherein the plurality of reference signals for channel measurement are transmitted using one or more subframes as a duty cycle.
    Type: Grant
    Filed: August 2, 2019
    Date of Patent: May 11, 2021
    Assignee: LG ELECTRONICS INC.
    Inventors: Moon Il Lee, Ja Ho Koo, Jae Hoon Chung, Bin Chul Ihm, Hyun Soo Ko
  • Patent number: 10983381
    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: Grant
    Filed: August 7, 2019
    Date of Patent: April 20, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jun Ki Jeong, Hyun Joon Kim, Kyung Bae Kim, Kyung Hoon Chung, Chong Chul Chai
  • Patent number: 10960847
    Abstract: A method for controlling a vehicle using a smart key is provided and includes sensing at least one of a vehicle state, an attachment state of the smart key, and a detachment state of the smart key, the smart key including a magnet, and adjusting a magnetic force of at least one electromagnet provided in a smart key recognizer disposed in a predetermined attachment region inside the vehicle based on a plurality of levels and a result of the sensing. The levels include at least a first level occurring before driving and a second level occurring during driving, and a magnetic force corresponding to the second level is greater than a magnetic force corresponding to the first level.
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: March 30, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Jae Hoon Chung, Sung Un Kim, Si Hoon Sung
  • Publication number: 20210081912
    Abstract: In-vehicle payment system and method are provided. The in-vehicle payment system includes a first communication device configured to communicate with a payment terminal, a payment device configured to providing payment form information, and a body controller configured to, when receiving payment information from the payment terminal, perform payment processing in association with the payment terminal using the payment form information.
    Type: Application
    Filed: February 25, 2020
    Publication date: March 18, 2021
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Min Gu PARK, Jae Hoon CHUNG, Ji Heon KIM
  • Publication number: 20210074215
    Abstract: A light emission driver includes a plurality of stages outputs a light emission control signal. Each of the stages includes an input circuit controlling voltages of a first node and a second node, an output circuit supplying a voltage of first power or a second power to an output terminal, a first signal processor controlling a voltage of a fourth node based on a signal supplied to a third input terminal and a voltage of a fifth node, a second signal processor controlling the voltage of the fourth node in response to the voltage of a third node, a first stabilizer limiting voltage drops of the first node and the second node, and a second stabilizer controlling an electrical connection between the third node and the first node in response to the voltage of the fourth node.
    Type: Application
    Filed: June 1, 2020
    Publication date: March 11, 2021
    Inventors: Jun Hyun PARK, Bon Yong KOO, Yu Jin LEE, Kyung Hoon CHUNG
  • Patent number: 10945246
    Abstract: The present invention relates to a wireless communication system and provides an efficient control information transmission method and apparatus for supporting a multiple antenna transmission technique. A method is provided for transmitting downlink hybrid automatic repeat request (HARQ) information related to an uplink multiple codeword transmission and includes receiving the uplink multiple codeword transmission, generating HARQ information related to each of the multiple codewords based on a result of decoding each of the multiple codewords, modulating the HARQ information, and transmitting the modulated HARQ information via one or more physical HARQ indicator channels (PHICHs).
    Type: Grant
    Filed: August 12, 2019
    Date of Patent: March 9, 2021
    Assignee: BlackBerry Limited
    Inventors: Hyun Soo Ko, Jae Hoon Chung, Bin Chul Ihm, Moon Il Lee
  • Publication number: 20210065616
    Abstract: A pixel circuit includes: a first transistor including a gate electrode connected to a first node, a source electrode connected to a first power line, and a drain electrode connected to a second power line; a light emitting element connected between the first transistor and the first or second power line; a second transistor connected between a data line and the first node, and including a gate electrode connected to a first scan line; a first capacitor connected between the first node and the source electrode of the first transistor; a third transistor connected between the first node and the first power line, and including a gate electrode connected to a second node; a fourth transistor connected between the second node and the data line, and including a gate electrode connected to a second scan line; and a second capacitor connected between the second node and a first control line.
    Type: Application
    Filed: July 8, 2020
    Publication date: March 4, 2021
    Inventors: Hyun Joon KIM, Kyung Hoon CHUNG
  • Patent number: 10932233
    Abstract: A method for monitoring a downlink control channel, the method performed by a user equipment (UE) configured with multiple carriers includes determining whether to monitor the downlink control channel within either one UE-specific search space or a plurality of UE-specific search spaces, and monitoring the downlink control channel within the plurality of UE-specific search spaces if carrier index is configured, wherein each of the plurality of the UE-specific search spaces is determined based on the carrier index.
    Type: Grant
    Filed: April 13, 2018
    Date of Patent: February 23, 2021
    Assignee: LG Electronics Inc.
    Inventors: So Yeon Kim, Sung Ho Moon, Jae Hoon Chung, Yeong Hyeon Kwon, Han Gyu Cho
  • 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