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).

  • Method for detecting control information in wireless communication system
    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
  • EFFICIENT CONTROL INFORMATION TRANSMISSION METHOD AND APPARATUS FOR SUPPORTING MULTIPLE ANTENNA TRANSMISSION TECHNIQUE
    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
  • METHOD FOR TRANSMITTING CONTROL INFORMATION IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR
    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
  • Apparatus and method for transmitting a reference signal in a wireless communication system
    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
  • Tiled display device
    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
  • In-vehicle control apparatus using smart key provided with display and method for controlling the same
    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
  • IN-VEHICLE PAYMENT SYSTEM AND METHOD
    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
  • LIGHT EMISSION DRIVER AND DISPLAY DEVICE HAVING THE SAME
    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
  • Efficient control information transmission method and apparatus for supporting multiple antenna transmission technique
    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
  • PIXEL CIRCUIT
    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
  • Device and method for monitoring control channel in multicarrier system
    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
  • DETACHABLE MANIPULATION SYSTEM USING AN ELECTROMAGNET AND A METHOD OF CONTROLLING THE SAME
    Publication number: 20210043349
    Abstract: A manipulation system capable of controlling various functions in a vehicle includes a detachable rotary manipulation system capable of corresponding to various manipulation environments using an electromagnet and a method of controlling the same. The method includes determining whether a rotary manipulation unit having a plurality of magnets disposed thereat has been attached based on a change in current of a plurality of electromagnetic coils disposed at an attachment unit and controlling whether to activate at least some of the plurality of electromagnetic coils based on at least one of the number of clicks per rotation corresponding to a function to be controlled or a manipulation system type of the rotary manipulation unit upon determining that the rotary manipulation unit has been attached.
    Type: Application
    Filed: July 28, 2020
    Publication date: February 11, 2021
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Jae Hoon Chung, Sung Un Kim, Si Hoon Sung
  • VEHICLE FUNCTION CONTROL APPARATUS AND METHOD USING A DETACHABLE KNOB
    Publication number: 20210039496
    Abstract: A vehicle function control apparatus and method use a detachable knob. The vehicle function control method includes determining, by an integrated manipulation unit, a target attachment position on an attachment unit having a plurality of attachment positions, sensing the position of a detachable knob having at least one magnet and a manipulation means on the attachment unit, and controlling a plurality of electromagnets disposed so as to correspond to the plurality of attachment positions such that the detachable knob is moved from the sensed position to the target attachment position, among the plurality of attachment positions.
    Type: Application
    Filed: July 20, 2020
    Publication date: February 11, 2021
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Si Hoon Sung, Jae Hoon Chung, Sung Un Kim
  • UNIVERSAL JOINT ASSEMBLY
    Publication number: 20210040994
    Abstract: A universal joint assembly includes a yoke including a serration hole to receive an end portion of a steering column and a bolt-hole to receive a bolt which is used to restrict the steering column received in the serration hole, and a misassembly prevention member coupled to the yoke and elastically movable from a first position in which the bolt-hole is at least partially blocked to a second position in which the bolt-hole is opened, thereby preventing a misassembly of the steering column and improving safety and reliability of the universal joint assembly.
    Type: Application
    Filed: February 4, 2020
    Publication date: February 11, 2021
    Inventors: Sung Hoon Chung, Dong Wook Lee
  • Method for transmitting control information in wireless communication system and apparatus therefor
    Patent number: 10911206
    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: Grant
    Filed: December 9, 2019
    Date of Patent: February 2, 2021
    Assignee: LG Electronics Inc.
    Inventors: Yeong Hyeon Kwon, Jae Hoon Chung, Seung Hee Han, So Yeon Kim
  • PIXEL AND DISPLAY DEVICE HAVING THE SAME
    Publication number: 20210027701
    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: Application
    Filed: April 20, 2020
    Publication date: January 28, 2021
    Inventors: Jun Hyun PARK, Bon Yong KOO, Yu Jin LEE, Kyung Hoon CHUNG, Chong Chul CHAI
  • PIXEL AND DISPLAY DEVICE INCLUDING THE SAME
    Publication number: 20210027702
    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: Application
    Filed: April 22, 2020
    Publication date: January 28, 2021
    Inventors: Jun Hyun PARK, Bon Yong KOO, Yu Jin LEE, Kyung Hoon CHUNG, Chong Chul CHAI
  • Channel-sounding method using a plurality of antennas, and apparatus for same
    Patent number: 10887064
    Abstract: The present invention relates to a wireless communication system. More particularly, the present invention relates to a method and to an apparatus for transmitting an SRS in a multi-antenna system. The method comprises the steps of: acquiring specific information for discriminating a first antenna group and a second antenna group from among a plurality of antennas, wherein said first antenna group includes one or more antennas which are set to a turned-on state to perform communication with a base station, and said second antenna group includes one or more other antennas which are set to a turned-off state; transmitting an SRS to the base station if a predetermined condition is satisfied, under the condition that the second antenna group is set to the turned-off state; and setting the second antenna group to a turned-off state after the transmission of the SRS.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: January 5, 2021
    Assignee: LG Electronics Inc.
    Inventors: Jae Hoon Chung, Yeong Hyeon Kwon, Seung Hee Han, Min Seok Noh
  • Method of measuring interference
    Patent number: 10887205
    Abstract: A method of measuring interference to perform efficient data communication is disclosed. A method of measuring interference of neighboring cells comprises allocating one or more first resource elements, to which pilot signals are allocated, to predetermined symbol regions included in a first resource block; allocating one or more second resource elements for measuring interference of the neighboring cells to a first symbol region of the predetermined symbol regions; and measuring interference of the neighboring cells using the one or more second resource elements.
    Type: Grant
    Filed: April 18, 2019
    Date of Patent: January 5, 2021
    Assignee: LG ELECTRONICS INC.
    Inventors: Jae Hoon Chung, Hyun Soo Ko, Moon Il Lee, Bin Chul Ihm
  • Method of data transmission in multiple antenna system
    Patent number: RE48442
    Abstract: A method of data transmission includes determining the number of layers, generating mapping symbols by mapping modulation symbols for a first codeword and modulation symbols for a second codeword to each layer, and transmitting the mapping symbols through a plurality of antennas. At least one of the first codeword and the second codeword is mapped to at least 3 layers and the number of layers is larger than 3.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: February 16, 2021
    Assignee: LG Electronics Inc.
    Inventors: Jae Hoon Chung, Hyun Soo Ko, Seung Hee Han, Moon Il Lee