Patents by Inventor Dong-Chul Park

Dong-Chul Park 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: 11661510
    Abstract: A thermoplastic resin composition of the present invention is characterized by comprising: a base resin containing a rubber-modified vinyl-based graft copolymer, a large-diameter rubber polymer having an average particle size of about 3 to about 8 ?m, and an aromatic vinyl-based copolymer resin; and polyorganosilsesquioxane fine particles having an average particle size of about 0.1 to about 10 ?m. The thermoplastic resin composition is excellent in low gloss, weather resistance, and the like.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: May 30, 2023
    Assignee: Lotte Chemical Corporation
    Inventors: Eun Joo Lee, Yun Jeong Yang, Young Chul Kwon, Dong Hyun Park
  • Publication number: 20230158701
    Abstract: An electrode cutting device is provided. The electrode cutting device may perform a full-width cutting process and an edge cutting process together to simplify the manufacturing process, thereby significantly improving work efficiency. Particularly, an edge of the electrode is uniformly cut to prevent defects from occurring.
    Type: Application
    Filed: July 13, 2021
    Publication date: May 25, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Sung Chul Park, Sang Wook Kim, Chung Hee Lee, Dong Hyeuk Park
  • Patent number: 11656656
    Abstract: A display device includes a display panel including a rear surface and a front surface, where the front surface is provided with a display surface and including a folding axis extending in a first direction, a first barrier member disposed on the rear surface of the display panel and having a modulus of about 1 GPa to about 300 GPa, a first coupling member disposed on a rear surface of the first barrier member, and a metal plate disposed on a rear surface of the first coupling member and including a first plate portion and a second plate portion which are arranged in a second direction crossing the first direction and a connection portion connecting the first plate portion and the second plate portion, where the first coupling member does not overlap the connection portion in a plan view.
    Type: Grant
    Filed: March 5, 2021
    Date of Patent: May 23, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jai Ku Shin, Dong Jin Park, Dong Woo Seo, Sung Chul Choi
  • Publication number: 20230147411
    Abstract: A device and a method for controlling a seat of a vehicle includes a detector for detecting vehicle environment information, a vibration generator mounted on the vehicle seat to generate the seat vibration, and a controller electrically connected to the detector and the vibration generator, and the controller detects seat environment information through the detector, determines a weight and a sitting posture of a user seated in the vehicle seat based on the seat environment information, determines a vibration pattern and a vibration excitation force based on the weight and the sitting posture of the user, and generates the seat vibration by controlling the vibration generator based on the determined vibration pattern and vibration excitation force.
    Type: Application
    Filed: July 11, 2022
    Publication date: May 11, 2023
    Inventors: Ki Chang Kim, Dong Chul Park, Tae Kun Yun, Sang Jin Hong
  • Publication number: 20230146799
    Abstract: A sound generation apparatus for an electrification vehicle and a method of use thereof are provided. In example embodiments, the sound generation apparatus receives driving information, determines a driving situation based on the driving information, designs an acceleration sound when the driving situation is determined as an acceleration situation, or designs a cornering sound when the driving situation is determined as a cornering situation, and plays and outputs the acceleration sound or the cornering sound.
    Type: Application
    Filed: June 29, 2022
    Publication date: May 11, 2023
    Inventors: Ki Chang Kim, Tae Kun Yun, Dong Chul Park, Eun Soo Jo, Jin Sung Lee
  • Patent number: 11628767
    Abstract: A method of playing a virtual after-burn sound in an electric vehicle is provided. The method includes acquiring driver tendency information generated based on information of music played in a mobile phone and collecting driving variable information for playing a virtual sound during operation of the electric vehicle. Additionally, characteristics of a virtual after-burn sound are determined based on the collected driving variable information. The characteristics of the virtual after-burn sound are corrected according to the acquired driver tendency information. An after-burn signal is generated for playing the virtual after-burn sound based on information about the corrected characteristics of the virtual after-burn sound and operation of sound equipment is adjusted according to the created after-burn signal such that a virtual after-burn sound discriminated according to the driver tendency is played and output from the sound equipment.
    Type: Grant
    Filed: March 30, 2021
    Date of Patent: April 18, 2023
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Ki Chang Kim, Jin Sung Lee, Jeong Soo Eo, Dong Chul Park, Tae Kun Yun, Ji Won Oh
  • Patent number: 11631304
    Abstract: An apparatus for generating a virtual effect of an electric vehicle includes: a driving information detector configured to detect vehicle driving information in the electric vehicle; a controller configured to determine a characteristic of the virtual effect based on the vehicle driving information detected by the driving information detector, and configured to generate a virtual effect producing signal for producing the determined characteristic of the virtual effect; and a vibration actuator provided in a seat of the electric vehicle such that when the vibration actuator operates, a driver or a passenger who is in the seat experiences vibration, the vibration actuator being controlled by the virtual effect producing signal generated by the controller, so as to produce the vibration according to the determined characteristic of the virtual effect.
    Type: Grant
    Filed: July 20, 2021
    Date of Patent: April 18, 2023
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Ki Chang Kim, Dong Chul Park, Tae Kun Yun, Sang Jin Hong
  • Publication number: 20230064483
    Abstract: An apparatus for generating a driving sound in a vehicle includes a first conversion device that receives first sound information and converts the received first sound information into second sound information, a second conversion device that converts the second sound information into third sound information based on a conversion parameter, a storage that receives feedback information of a user about the third sound information and corrects and stores the third sound information, and a playback device that plays the stored third sound information
    Type: Application
    Filed: May 16, 2022
    Publication date: March 2, 2023
    Inventors: Ki Chang Kim, Jin Sung Lee, Dong Chul Park, Eun Soo Jo, Sang Jin Hong
  • Patent number: 11565591
    Abstract: A method of generating a virtual internal combustion engine vibration in an electric vehicle includes collecting driving variable information, determining a virtual internal combustion engine vibration characteristic on the basis of the collected driving variable information, determining a vibration torque command having the determined virtual engine vibration characteristic, determining a final motor torque command using a basic motor torque command determined from the collected driving variable information and the determined vibration torque command, and controlling the operation of a vehicle driving motor according to the determined final motor torque command.
    Type: Grant
    Filed: February 9, 2021
    Date of Patent: January 31, 2023
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Ji Won Oh, Dong Chul Park, Jeong Soo Eo, Tae Kun Yun
  • Publication number: 20230016272
    Abstract: A virtual sound provision apparatus for an electric vehicle includes a driving information detector configured to detect vehicle driving information for outputting a virtual driving sound, a microphone configured to detect an actual driving sound generated from the electric vehicle, a controller configured to determine a characteristic of a target sound based on an acceleration and deceleration driving pattern of a driver from an accelerator pedal input value and a brake pedal input value of the driver, and generating and outputting a sound control signal for outputting the virtual driving sound having the characteristic of the target sound based on the determined characteristic information of the target sound and characteristic information of the actual driving sound, and a sound device configured to output a virtual engine sound that simulates an engine sound from the electric vehicle at the time of acceleration and deceleration according to the sound control signal.
    Type: Application
    Filed: May 16, 2022
    Publication date: January 19, 2023
    Inventors: Ki Chang Kim, Jin Sung Lee, Ji Won Oh, Dong Chul Park, Kyoung Jin Chang, Tae Kun Yun, Jeong Soo Eo
  • Publication number: 20220400336
    Abstract: A vehicle includes a speed detecting device provided to detect a driving speed, a pressure detecting device provided to detect a pressure applied to a brake pedal, a power information obtaining device provided to obtain power information of a power device, and a sound reproducing apparatus provided to determine whether the vehicle is in a start state or a driving state according to driving speed information detected by the speed detecting device, pressure information detected by the pressure detecting device, and the power information, control reproduction of post-combustion noise when the processor concludes that the vehicle is in the start state, control reproduction of a slip sound in response to an acceleration command or a deceleration command when the vehicle is in the driving state, and control reproduction of an acceleration sound corresponding to an acceleration force when the vehicle is accelerating in the driving state.
    Type: Application
    Filed: February 24, 2022
    Publication date: December 15, 2022
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Kichang KIM, Taekun YUN, Dong Chul PARK, Eunsoo JO, Jinsung LEE
  • Publication number: 20220369059
    Abstract: An active sound design (ASD) tuning device and a method thereof may include an ASD device that generates a virtual engine sound for each vehicle situation and a control device that outputs a composite sound by correcting and synthesizing the virtual engine sound and an internal sound measured for each vehicle situation based on a binaural vehicle impulse response (BVIR).
    Type: Application
    Filed: September 8, 2021
    Publication date: November 17, 2022
    Applicants: HYUNDAI MOTOR COMPANY, Kia Corporation
    Inventors: Ki Chang KIM, Dong Chul PARK, Eun Soo JO, Jin Sung LEE
  • Publication number: 20220355732
    Abstract: A system for generating a virtual engine sound may include a server having information on at least one review of the virtual engine sound, and a virtual engine sound generator to generate “my sound” by tuning the virtual engine sound based on information on customized design settings, to update a preset driver emotion model for each emotion evaluation area of the virtual engine sound, based on the information on the at least one review of the virtual engine sound, which is received from the server, and to update the virtual engine sound based on the “my sound” and the driver emotion model updated for each emotion evaluation area.
    Type: Application
    Filed: August 20, 2021
    Publication date: November 10, 2022
    Inventors: Ki Chang KIM, Dong Chul PARK, Eun Soo JO, Jin Sung LEE
  • Publication number: 20220357912
    Abstract: An apparatus and a method for caring emotion of a driver based on a vehicle sound, may include a detector configured to detect driving information of the vehicle and body information of a user, a non-transitory storage to store instructions, and a processor to execute the instructions. The processor determines an emotional status of the driver by use of at least one of the driving information or the body information, to generate a healing sound by designing a virtual sound based on the driving information and the emotional status of the driver, and to generate and output the healing sound.
    Type: Application
    Filed: October 27, 2021
    Publication date: November 10, 2022
    Applicants: HYUNDAI MOTOR COMPANY, Kia Corporation, Seoul National University R&DB Foundation
    Inventors: Ki Chang KIM, Eun Soo JO, Tae Kun YUN, Sang Jin HONG, Dong Chul PARK, Kyoung Jin CHANG, Ju In KIM, Jin Sung LEE, Myung Hwan YUN, Sung Ho KIM
  • Publication number: 20220301534
    Abstract: A vibration reducing device is attached to a structure and blocks sound transmitted through the structure. The vibration reducing device includes a unit structure having a target frequency band, the unit structure including a plurality of unit cells, each formed of an acoustic meta-material and having a different target frequency, the unit cells being connected through first bridges; and a predetermined number of unit structures being connected through second bridges and attached to the structure, where each of the unit cells comprises: a mass portion of which a size is set according to the target frequency; a base frame formed as a quadrangular frame, the mass portion being eccentrically disposed in the base frame; and a support portion that connects the mass portion and the base frame, the support portion having a size that is set according to the target frequency.
    Type: Application
    Filed: October 5, 2021
    Publication date: September 22, 2022
    Inventors: Kyoung-Jin Chang, Sangjin Hong, Dong Chul Park
  • Publication number: 20220283773
    Abstract: An embodiment vehicle includes a camera, a speaker, and a controller electrically connected to the camera and the speaker, wherein the controller is configured to acquire a first external image outside the vehicle from the camera, input the first external image to a pre-trained first neural network and extract a first feature corresponding to the first external image, and control the speaker to output a first sound sample among a plurality of sound samples, based on a comparison of the first feature and pre-stored features corresponding to the plurality of sound samples.
    Type: Application
    Filed: January 14, 2022
    Publication date: September 8, 2022
    Inventors: Kyoung-Jin Chang, Dong Chul Park, Jinsung Lee, Sangjin Hong
  • Publication number: 20220269474
    Abstract: A vehicle is provided and includes a camera that photographs a face of a driver, a sensor that obtains skin information of the driver, a speaker, and a controller. The controller determines a physical condition of the driver based on at least one of a face image of the driver and the skin information of the driver, determines a sound source and a parameter based on the physical condition of the driver, generates a driving sound by reflecting driving information of the vehicle in the sound source and the parameter, and operates the speaker to output the driving sound.
    Type: Application
    Filed: November 5, 2021
    Publication date: August 25, 2022
    Inventors: Kyoung-Jin Chang, Dong Chul Park, Jinsung Lee, Sangjin Hong
  • Publication number: 20220207935
    Abstract: A method of generating a tire slip sound is capable of producing a virtual tire slip sound in a driving situation in which tire slip may occur during vehicle driving. The method includes collecting vehicle driving information while a vehicle is traveling; determining a characteristic of a virtual tire slip sound based on the collected vehicle driving information; generating and outputting a tire slip signal for generating and outputting the virtual tire slip sound according to the determined characteristic; and operating sound equipment of the vehicle according to the tire slip signal output from the controller to generate and output the virtual tire slip sound according to a vehicle driving state.
    Type: Application
    Filed: August 25, 2021
    Publication date: June 30, 2022
    Inventors: Ki Chang Kim, Jin Sung Lee, Dong Chul Park, Tae Kun Yun, Sang Jin Hong
  • Publication number: 20220194410
    Abstract: A method of generating a virtual effect for an electric vehicle. The method includes collecting, by a controller, vehicle driving information for generating the virtual effect during driving of the electric vehicle; and determining, by the controller, a characteristic of the virtual effect based on the collected vehicle driving information. A virtual effect is generated by a virtual effect producing signal for producing the determined characteristic of the virtual effect; and operating, by the virtual effect producing signal generated by the controller, a vibration actuator placed in a seat of the electric vehicle. Accordingly the vibration actuator produces vibration according to the determined characteristic of the virtual effect and a driver or a passenger who is in the seat experiences the vibration.
    Type: Application
    Filed: July 20, 2021
    Publication date: June 23, 2022
    Inventors: Ki Chang Kim, Tae Kun Yun, Dong Chul Park
  • Publication number: 20220198890
    Abstract: An apparatus for generating a virtual effect of an electric vehicle includes: a driving information detector configured to detect vehicle driving information in the electric vehicle; a controller configured to determine a characteristic of the virtual effect based on the vehicle driving information detected by the driving information detector, and configured to generate a virtual effect producing signal for producing the determined characteristic of the virtual effect; and a vibration actuator provided in a seat of the electric vehicle such that when the vibration actuator operates, a driver or a passenger who is in the seat experiences vibration, the vibration actuator being controlled by the virtual effect producing signal generated by the controller, so as to produce the vibration according to the determined characteristic of the virtual effect.
    Type: Application
    Filed: July 20, 2021
    Publication date: June 23, 2022
    Inventors: Ki Chang Kim, Dong Chul Park, Tae Kun Yun, Sang Jin Hong