Patents by Inventor Hyeong-Jun Kim

Hyeong-Jun Kim 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: 11514826
    Abstract: The purpose of the present invention is to provide a magnetic fluid display in which a magnetic fluid moves in response to a magnetic field and which may display a unique visual image according to the meeting and parting of the magnetic fluid. A magnetic fluid display according to the present invention comprises: a display unit including a transparent liquid into which a magnetic fluid is injected; and a magnetic field generating unit for applying a magnetic field to the magnetic fluid at a rear surface of the display unit. When the magnetic field is applied, the magnetic fluid moves in the transparent liquid in a directional manner, so that an image may be displayed on the display unit.
    Type: Grant
    Filed: September 30, 2021
    Date of Patent: November 29, 2022
    Assignee: CK Materials LAB Co., Ltd.
    Inventors: Hyeong Jun Kim, Jong Hun Lee, Min Kyu Choi
  • Patent number: 11504743
    Abstract: A flexible tactile actuator includes a tactile transmitter configured to be flexible and including magnetic particles capable of being polarized in response to an external magnetic field and a matrix layer including the magnetic particles, a magnetic field generator disposed below the tactile transmitter and configured to generate a magnetic field in the tactile transmitter, and an elastic member provided in a shape of a film, having at least a portion in surface contact with the magnetic field generator, and attached to be in surface contact with one of a top surface and a bottom surface of the tactile transmitter.
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: November 22, 2022
    Assignee: CK MATERIALS LAB CO., LTD.
    Inventors: Hyeong Jun Kim, Myung Sun Park, Jong Hun Lee, Ji Goo Kang, Nam Seok Kim
  • Patent number: 11446982
    Abstract: A user body temperature assistance system associated with an air conditioning device, may include air conditioning controller configured to control an operation of an air conditioning device configured for adjusting an interior air temperature of a vehicle and determine an operation stage of a temperature adjustment unit in the vehicle according to an operation-based signal of the air conditioning device; and a temperature adjustment controller, which is configured to control an operation of the temperature adjustment unit for assisting a user body temperature according to the operation stage determined by the air conditioning controller.
    Type: Grant
    Filed: June 4, 2019
    Date of Patent: September 20, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Sang Ki Seo, Yong Chul Kim, June Kyu Park, Ju Ho Choi, Doo Ri Kim, Hyeong Jun Kim, Sung Hae Park
  • Patent number: 11403922
    Abstract: A curved haptic actuator according to an embodiment may comprise: a housing having a receiving space and having a shape where the receiving space and an outer appearance thereof are bent outward; a vibration unit disposed in the receiving space, being movable along the longitudinal direction of the housing, and having a shape bent upward; elastic bodies connected to an inner wall of the housing and both sides of the vibration unit; and a magnetic field generation unit which is installed on the inner wall of the housing and generates a magnetic field and applies the magnetic field to the vibration unit.
    Type: Grant
    Filed: November 23, 2017
    Date of Patent: August 2, 2022
    Assignee: CK MATERIALS LAB CO., LTD.
    Inventors: Hyeong Jun Kim, Myung Sun Park, Jong Hun Lee, Cheol Hee Lee
  • Patent number: 11393304
    Abstract: Provided is a method of providing information from a first device to a second device. The method includes: receiving message information by the second device, the message information comprising a text, a geometric figure, or a symbol that is input into the first device; transforming the message information into a tactile signal; and actuating an operator to provide tactile information according to the tactile signal. The operator includes at least one cell and provides the tactile information in the form of handwriting or vibration to a user of the second device, by operating the at least one cell sequentially. The operator provides the tactile information by sequentially or simultaneously applying/removing an external electric field to/from each of the cells according to the tactile signal. The operator includes at least one tactile sensation provider, that contacts the user of the second device, including polarizable or piezoelectric particles distributed in a matrix.
    Type: Grant
    Filed: April 6, 2021
    Date of Patent: July 19, 2022
    Assignee: CK MATERIALS LAB CO., LTD.
    Inventors: Seoung Hun Do, Hyeong Jun Kim
  • Patent number: 11382199
    Abstract: A control apparatus and method for controlling a haptic device are disclosed. The control apparatus can comprise: a haptic pattern data generation unit for generating first haptic pattern data corresponding to a bit pattern of content; a wireless data generation unit for generating wireless data including the first haptic pattern data and identification data of at least one target haptic device by which the first haptic pattern data is to be received; and a wireless data transmission unit for transmitting the generated wireless data through an antenna.
    Type: Grant
    Filed: October 12, 2017
    Date of Patent: July 5, 2022
    Assignee: CK MATERIALS LAB CO., LTD.
    Inventors: Hyeong Jun Kim, Jong Hun Lee, Ki Suk Son
  • Publication number: 20220173362
    Abstract: A display device includes a substrate having a light emission area, a light emitting element layer including a light emitting element on the light emission area, and an sensing layer on the light emitting element layer and including a sensing electrode having a first opening overlapping the light emission area, a first refraction layer directly on the sensing electrode and having a second opening overlapping the light emission area, and a second refraction layer on the light emitting element layer and the first refraction layer, a first optical refractive index of the first refraction layer being less than a second optical refraction index of the second refraction layer.
    Type: Application
    Filed: February 18, 2022
    Publication date: June 2, 2022
    Inventors: Hyeong Jun KIM, Ji Ryun PARK, Chi Wook AN, Mi Ran JI
  • Publication number: 20220159809
    Abstract: A control apparatus and method for controlling a haptic device are disclosed. The control apparatus can comprise: a haptic pattern data generation unit for generating first haptic pattern data corresponding to a bit pattern of content; a wireless data generation unit for generating wireless data including the first haptic pattern data and identification data of at least one target haptic device by which the first haptic pattern data is to be received; and a wireless data transmission unit for transmitting the generated wireless data through an antenna.
    Type: Application
    Filed: October 26, 2021
    Publication date: May 19, 2022
    Inventors: Hyeong Jun KIM, Jong Hun LEE, Ki Suk SON
  • Publication number: 20220137809
    Abstract: The present invention relates to a tactile message providing method and a tactile message providing device. The tactile message providing method in a mobile device includes driving a tactile message program in a first mobile device, receiving a tactile pattern in the first mobile device, converting the tactile pattern into a tactile signal, and transmitting the tactile signal to a second mobile device. The tactile message program includes a tactile switch icon, and the tactile switch icon switches a text input window to a tactile pattern input window and the tactile pattern input window receives the tactile pattern to generate a digital signal.
    Type: Application
    Filed: January 20, 2022
    Publication date: May 5, 2022
    Inventors: Hyeong Jun KIM, Jong Hun LEE, Nam Seok KIM, Jeong Bum LEE
  • Publication number: 20220121286
    Abstract: A haptic device according to one embodiment can comprise: a database unit for storing acoustic information or receiving the acoustic information from an external device; a control unit for converting the acoustic information into an electrical signal according to a predetermined pattern; a driving unit for generating a motion signal on the basis of the electrical signal; and a transfer unit for transferring a patterned tactile signal to a user by means of the motion signal.
    Type: Application
    Filed: January 3, 2022
    Publication date: April 21, 2022
    Inventors: Hyeong Jun KIM, Ji Goo KANG, Jong Hun LEE, Jeong Beom LEE, Jong Hyung JUNG
  • Publication number: 20220111416
    Abstract: Provided is a stereo tactile sensation providing device including a plurality of actuators spaced apart from each other, a connector for mounting the plurality of actuators thereon and including three or more tactile regions, and a controller for applying an operation signal to the actuators, wherein the controller applies a first signal for controlling the actuators to stimulate first tactile cells above a threshold, and a second signal for controlling the actuators to stimulate second tactile cells above the threshold, and wherein the connector provides synthetic tactile sensations generated by the plurality of actuators.
    Type: Application
    Filed: June 11, 2020
    Publication date: April 14, 2022
    Inventors: Hyeong Jun KIM, In Beom LEE
  • Publication number: 20220114923
    Abstract: An electronic device includes a display panel including a folding area and a non-folding area which is adjacent to the folding area along a first direction, and a support member facing the display panel. The support member includes in order from the display panel, an upper plate which faces the folding area and the non-folding area, has a thickness and in which are defined a plurality of openings corresponding to the folding area, and a lower plate having a thickness which is greater than the thickness of the upper plate and including a first lower plate and a second lower plate each corresponding to the folding area and the non-folding area. At the folding area, the second lower plate is spaced apart from the first lower plate by a gap along the first direction.
    Type: Application
    Filed: June 28, 2021
    Publication date: April 14, 2022
    Inventors: SEUNGHWA HA, SANGJAE KIM, HYEONG-JUN KIM, SEUNG-HO JUNG, IN-WOO JEONG
  • Patent number: 11281297
    Abstract: A haptic device according to one embodiment can comprise: a database unit for storing acoustic information or receiving the acoustic information from an external device; a control unit for converting the acoustic information into an electrical signal according to a predetermined pattern; a driving unit for generating a motion signal on the basis of the electrical signal; and a transfer unit for transferring a patterned tactile signal to a user by means of the motion signal.
    Type: Grant
    Filed: August 20, 2020
    Date of Patent: March 22, 2022
    Assignee: CK MATERIALS LAB CO., LTD.
    Inventors: Hyeong Jun Kim, Ji Goo Kang, Jong Hun Lee, Jeong Beom Lee, Jong Hyung Jung
  • Patent number: 11258049
    Abstract: A display device includes a substrate having a light emission area, a light emitting element layer including a light emitting element on the light emission area, and an sensing layer on the light emitting element layer and including a sensing electrode having a first opening overlapping the light emission area, a first refraction layer directly on the sensing electrode and having a second opening overlapping the light emission area, and a second refraction layer on the light emitting element layer and the first refraction layer, a first optical refractive index of the first refraction layer being less than a second optical refraction index of the second refraction layer.
    Type: Grant
    Filed: March 10, 2020
    Date of Patent: February 22, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyeong Jun Kim, Ji Ryun Park, Chi Wook An, Mi Ran Ji
  • Publication number: 20220020300
    Abstract: The purpose of the present invention is to provide a magnetic fluid display in which a magnetic fluid moves in response to a magnetic field and which may display a unique visual image according to the meeting and parting of the magnetic fluid. A magnetic fluid display according to the present invention comprises: a display unit including a transparent liquid into which a magnetic fluid is injected; and a magnetic field generating unit for applying a magnetic field to the magnetic fluid at a rear surface of the display unit. When the magnetic field is applied, the magnetic fluid moves in the transparent liquid in a directional manner, so that an image may be displayed on the display unit.
    Type: Application
    Filed: September 30, 2021
    Publication date: January 20, 2022
    Inventors: Hyeong Jun KIM, Jong Hun LEE, Min Kyu CHOI
  • Publication number: 20220011866
    Abstract: Disclosed are an apparatus and method for generating pattern data, and an apparatus and method for reproducing pattern data. The apparatus for generating pattern data comprises: an input data reception unit for receiving input data according to a user selection; a controller for determining pattern information on the basis of the input data and generating pattern data including the determined pattern information; and a communication unit for transmitting the generated pattern data to the apparatus for reproducing pattern data.
    Type: Application
    Filed: November 7, 2019
    Publication date: January 13, 2022
    Inventors: Hyeong Jun KIM, Jong Hun LEE
  • Publication number: 20210405752
    Abstract: A radial magnet actuator includes a housing having an inner space, a moving body including a mass body provided to relatively move in the inner space, and a hollow radial magnet provided in the mass body, an elastic member configured to elastically support the moving body from one side of the inner space, and a hollow coil part provided at an upper side of the inner space, with at least a portion inserted into the hollow of the radial magnet, wherein the radial magnet is magnetized in a radial direction.
    Type: Application
    Filed: November 7, 2019
    Publication date: December 30, 2021
    Inventors: Hyeong Jun Kim, Jong Hun Lee, Jong Ki Lee, Ihn Beom Lee
  • Publication number: 20210383660
    Abstract: A curved haptic actuator according to an embodiment may comprise: a housing having a receiving space and having a shape where the receiving space and an outer appearance thereof are bent outward; a vibration unit disposed in the receiving space, being movable along the longitudinal direction of the housing, and having a shape bent upward; elastic bodies connected to an inner wall of the housing and both sides of the vibration unit; and a magnetic field generation unit which is installed on the inner wall of the housing and generates a magnetic field and applies the magnetic field to the vibration unit.
    Type: Application
    Filed: August 17, 2021
    Publication date: December 9, 2021
    Inventors: Hyeong Jun KIM, Myung Sun PARK, Jong Hun LEE, Cheol Hee LEE
  • Publication number: 20210375105
    Abstract: Provided is a haptic device including a medium for receiving a digital sound signal from a portable terminal, a digital-to-analog converter (DAC) for receiving the digital sound signal from the medium and converting the digital sound signal into an analog signal, a sound outputter for receiving the analog signal and outputting sound, and a haptic actuator driven by receiving the analog signal.
    Type: Application
    Filed: September 6, 2019
    Publication date: December 2, 2021
    Inventors: Hyeong Jun KIM, Jong Hun LEE, In Sik JEE
  • Publication number: 20210365122
    Abstract: Disclosed are a device and method for generating haptic data, and a device and method for providing a haptic effect. The device for generating haptic data comprises: a controller for generating haptic data about an event occurring during game play on the basis of haptic data settings information; and a communication unit for transmitting the generated haptic data to the device for providing a haptic effect. The device for providing a haptic effect comprises: a communication unit for receiving the haptic data from the device for generating haptic data; a haptic effect playback unit for generating the haptic effect under the control of the controller; and a controller for controlling the generation of the haptic effect on the basis of the haptic data.
    Type: Application
    Filed: November 7, 2019
    Publication date: November 25, 2021
    Inventors: Hyeong Jun KIM, Jong Hun LEE, Ki Suk SON