Patents by Inventor Kyu Jin Park

Kyu Jin 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).

  • Publication number: 20250065548
    Abstract: A mold device includes: an outer mold part including a first outer mold, and a second outer mold that is moved toward the first outer mold to form a molding space with the first outer mold; and an inner mold part including an inner mold that is moved between a molding position disposed in the molding space of the outer mold part and an exit position deviating from the molding space. The inner mold is configured to mold a cylinder having a hollow part extending in a first direction between the inner mold part and the outer mold part when being located in the molding position. The inner mold is formed to correspond to the cylinder to form a space allowing introduction of a resin.
    Type: Application
    Filed: December 1, 2023
    Publication date: February 27, 2025
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, HANGUK MOLD CO.,LTD
    Inventors: Kyu Young Lee, Suk Joo Hong, Jung Hwan Park, Eui Hwan Son, Min Woo Chu, Byoung Jin Kwon, Ji Hun Kim
  • Publication number: 20250058506
    Abstract: The present disclosure provides an injection molding apparatus including a first mold, a second mold configured to be relatively movable toward or away from the first mold and define a cavity for forming a molded body collectively with the first mold, a stripper provided between the first mold and the second mold and configured to separate the molded body from the first mold, a first cotter block provided on the stripper, and a second cotter block provided on the second mold, configured to be rollable relative to the first cotter block, and configured to align the second mold with the first mold collectively with the first cotter block, thereby obtaining an advantageous effect of reducing a defect rate related to the molded body and improving quality and productivity.
    Type: Application
    Filed: November 7, 2023
    Publication date: February 20, 2025
    Inventors: Kyu Young LEE, Suk Joo HONG, Jung Hwan PARK, Eui Hwan SON, Min Woo CHU, Byoung Jin KWON, Ji Hun KIM
  • Publication number: 20250057766
    Abstract: The present invention relates to lipids for drug delivery, nanoparticles comprising same, and a composition for drug delivery comprising the nanoparticles. More specifically, the present invention relates to: lipids useful for drug delivery since the lipids can easily form a complex with an anionic drug due to a specific structure thereof, and the complex can be encapsulated inside nanoparticles formed by an amphiphilic block copolymer; nanoparticles comprising same; and a composition for drug delivery comprising the lipids and a composition for drug delivery comprising the nanoparticles.
    Type: Application
    Filed: December 23, 2022
    Publication date: February 20, 2025
    Applicant: SAMYANG HOLDINGS CORPORATION
    Inventors: Jong Min PARK, Joung Pyo NAM, Hye Yeong NAM, So Jin LEE, Kyu Jin KYUNG, Yoo Jeong YOON
  • Patent number: 12225809
    Abstract: The present disclosure is directed to a coating composition including a graphene oxide and a solvent. At least one of a carboxyl group and an epoxide group of the graphene oxide is functionalized by an amine. The amine has an activation energy to an epoxide group of the graphene oxide of about ?3 kcal/mol to about 8 kcal/mol. A method of forming a stacked structure using the coating composition is provided. A method of manufacturing a display device using the coating composition is provided.
    Type: Grant
    Filed: September 23, 2020
    Date of Patent: February 11, 2025
    Assignees: SAMSUNG DISPLAY CO., LTD., DONGJIN SEMICHEM CO., LTD.
    Inventors: Hee Kyun Shin, Dong Kyun Seo, Jun Ho Sim, Woo Jin Cho, Byung Hoon Kang, Seung Jun Moon, Sun Chan Park, Hee Won Seo, Ji Eun Cho, Kyu Soon Shin
  • Publication number: 20250044554
    Abstract: An optical system according to an embodiment of the present invention may comprise: a first lens having positive (+) refractive power, a second lens; and a third lens having a negative (+) refractive power, wherein: the first to third lenses are successively arranged from an object side to an image side; the first to third lenses are made of a plastic material; and the center thickness of each of the first to third lenses in the optical axis direction is greater than 0.9 mm.
    Type: Application
    Filed: December 6, 2022
    Publication date: February 6, 2025
    Inventors: Yong Hak RYU, Kyu Jin KIM, Jn Young PARK
  • Publication number: 20250040215
    Abstract: A semiconductor device includes a lower pattern. A channel isolation structure and a field insulating layer contact the lower pattern. A gate structure is on the lower pattern, in contact with the channel isolation structure. A channel pattern is on the lower pattern, and includes sheet patterns, each being in contact with the channel isolation structure. A source/drain pattern contacts the channel pattern and the channel isolation structure. The channel isolation structure includes a first region contacting the gate structure and a second region contacting the source/drain pattern. The second region of the channel isolation structure includes portions whose widths increase as a distance from a bottom surface of the field insulating layer increases.
    Type: Application
    Filed: February 12, 2024
    Publication date: January 30, 2025
    Inventors: Dong Hoon HWANG, Hyo Jin KIM, Myung II KANG, Tae Hyun RYU, Kyu Nam PARK, Woo Seok PARK
  • Publication number: 20250026002
    Abstract: A muscular strength assisting apparatus includes a muscular strength assisting portion that assists a user's muscular strength and a first connecting link including one side connected to one side of the muscular strength assisting portion and an opposite side rotatable relative to a shoulder of the user about a first rotation axis. The muscular strength assisting portion includes an upper arm module that assists muscular strength of an upper arm of the user and a link assembly including one side connected to one side of the upper arm module to be rotatable about a second rotation axis non-parallel to the first rotation axis and an opposite side disposed adjacent to a portion of a body of the user to be supported on the user.
    Type: Application
    Filed: June 5, 2024
    Publication date: January 23, 2025
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Kyu Jung KIM, Sung Woo Park, Hyun Seop Lim, Ju Young Yoon, Beom Su Kim, Min Woong Jeung, Seong Taek Hwang, Hyeon Jeong An, Ho Jun Kim, Moon Ki Jung, Soo Kyung Kang, Dong Jin Hyun, Hyo Joong Kim
  • Publication number: 20240212632
    Abstract: A display device includes a display panel including a plurality of pixels, a data driver configured to provide data voltages to the pixels, and a gate driver configured to provide gate signals to the pixels. The display device also includes a controller configured to control the data driver and the gate driver, and to control the magnitude of a sensing initialization voltage applied to the pixels based on a frame rate value when operating in a variable frame mode.
    Type: Application
    Filed: March 8, 2024
    Publication date: June 27, 2024
    Inventors: TAE SEOK HA, KOUNG SOO KIM, KYU JIN PARK, SUNG JAE PARK, SEUNG WOON SHIN, WOON ROK JANG
  • Patent number: 12008946
    Abstract: A display device includes a display panel that displays an image, a panel driver that drives the display panel, and a driving controller that controls driving of the panel driver. The driving controller compensates first image data corresponding to a first area of the display panel where a still image is displayed during at least a predetermined time period, in a first compensation method to generate first compensation image data for the first area, and compensates second image data corresponding to a second area of the display panel different from the first area in a second compensation method different from the first compensation method that uses a load calculated based on previous image data.
    Type: Grant
    Filed: June 2, 2023
    Date of Patent: June 11, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kyu-Jin Park, Woon-Rok Jang, Tae-Seok Ha
  • Publication number: 20240181273
    Abstract: A skin care device using multiple composite laser pulses according to an embodiment of the present disclosure includes: a laser generating unit including an energy portion configured to supply energy, a light emission portion configured to generate light by absorbing the energy supplied from the energy portion, a first mirror and a second mirror configured to form a resonance path in which the light generated from the light emission portion is amplified, a polarizing portion disposed on an optical resonant path between the first mirror and the second mirror and configured to polarize the light, and a first switch and a second switch configured to convert a polarization component of an incident polarized light; and a control unit configured to control the first switch and the second switch so that the laser generating unit operates in a single laser pulse mode or a multiple laser pulse mode.
    Type: Application
    Filed: January 17, 2024
    Publication date: June 6, 2024
    Applicant: JEISYS MEDICAL INC.
    Inventors: Seong Jun KIM, Kyu Jin PARK, Chul Yong AHN, Won Ju YI, Dong Hwan KANG
  • Patent number: 11942045
    Abstract: A display device includes a display panel including a plurality of pixels, a data driver configured to provide data voltages to the pixels, and a gate driver configured to provide gate signals to the pixels. The display device also includes a controller configured to control the data driver and the gate driver, and to control the magnitude of a sensing initialization voltage applied to the pixels based on a frame rate value when operating in a variable frame mode.
    Type: Grant
    Filed: October 4, 2021
    Date of Patent: March 26, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Tae Seok Ha, Koung Soo Kim, Kyu Jin Park, Sung Jae Park, Seung Woon Shin, Woon Rok Jang
  • Publication number: 20240062701
    Abstract: A display device includes a display panel that displays an image, a panel driver that drives the display panel, and a driving controller that controls driving of the panel driver. The driving controller compensates first image data corresponding to a first area of the display panel where a still image is displayed during at least a predetermined time period, in a first compensation method to generate first compensation image data for the first area, and compensates second image data corresponding to a second area of the display panel different from the first area in a second compensation method different from the first compensation method that uses a load calculated based on previous image data.
    Type: Application
    Filed: June 2, 2023
    Publication date: February 22, 2024
    Inventors: KYU-JIN PARK, WOON-ROK JANG, TAE-SEOK HA
  • Patent number: 11740352
    Abstract: An obstacle recognition device, a vehicle system including the same, and a method thereof are provided. The obstacle recognition device includes a storage storing data and an algorithm for calculating a risk probability and a processor configured to execute the algorithm to generate an occupancy grid map based on a sensing value of at least one ultrasonic sensor, calculate the risk probability of each cell on the occupancy grid map, and determine a shape and location of an obstacle based on the risk probability of each cell.
    Type: Grant
    Filed: October 26, 2020
    Date of Patent: August 29, 2023
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventor: Kyu Jin Park
  • Patent number: 11727835
    Abstract: A pixel circuit includes a light emitting element including a first electrode and a second electrode, a first switching element including a control electrode, a second switching element, a third switching element, a sensing resistor and a fourth switching element. The first switching element applies a first power voltage to the first electrode of the light emitting element. The second switching element applies a data voltage to the control electrode of the first switching element. The third switching element senses a signal of the first electrode of the light emitting element. The sensing resistor includes a first end connected to the second electrode of the light emitting element and a second end which receives a second power voltage. The fourth switching element senses a signal of the second electrode of the light emitting element.
    Type: Grant
    Filed: January 4, 2022
    Date of Patent: August 15, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Tae-Seok Ha, Kyoungsoo Kim, Kyu-Jin Park, Sung-Jae Park, Seung-Woon Shin, Ho Lee, Woon-Rok Jang
  • Patent number: 11657749
    Abstract: A display device includes a controller, a panel driver, and a voltage generator. The controller generates a first control signal and generates image data and a second control signal in response to first and second image signals. The panel driver generates a driving signal in response to the image data and the first control signal to drive a display panel. The voltage generator generates a driving voltage to drive the display panel and changes a voltage level of the driving voltage in response to the second control signal. The first image signal corresponds to a second frame located before a third frame in which the driving voltage is changed. The second image signal corresponds to a first frame located before the second frame. The controller generates image data corresponding to the second frame in response to the first image signal and the second image signal.
    Type: Grant
    Filed: January 10, 2022
    Date of Patent: May 23, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Tae-Seok Ha, Kyoungsoo Kim, Kyu-Jin Park, Sung-Jae Park, Seung-Woon Shin, Ho Lee, Woon-Rok Jang
  • Patent number: 11640791
    Abstract: A pixel includes a capacitor including a first electrode and a second electrode, a first transistor which generates a driving current, a second transistor which applies a data voltage to the first electrode of the capacitor, a third transistor which applies an initialization voltage to the second electrode of the capacitor, a fourth transistor which generates a leakage current in response to a dimming signal, and a light emitting element which emits light based on a residual driving current, where the residual driving current is obtained by subtracting the leakage current from the driving current.
    Type: Grant
    Filed: February 7, 2022
    Date of Patent: May 2, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Tae-Seok Ha, Kyoungsoo Kim, Kyu-Jin Park, Sung-Jae Park, Seung-Woon Shin, Woon-Rok Jang
  • Patent number: 11636821
    Abstract: A gate driving circuit includes: a plurality of driving stages, each driving stage configured to provide a gate signal to a corresponding gate line among a plurality of gate lines, wherein each of the plurality of driving stages includes: a first transistor electrically connected between a first clock terminal and a gate output terminal, the first transistor including a gate electrode electrically connected to a first node, the first clock terminal to receive a first clock signal; a second transistor configured to transmit a first carry signal to the first node; and a third transistor electrically connected between the first node and a first voltage terminal, the third transistor including a gate electrode electrically connected to the first voltage terminal, the first voltage terminal to receive a first voltage, wherein the gate output terminal is electrically connected to the corresponding gate line.
    Type: Grant
    Filed: February 8, 2021
    Date of Patent: April 25, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae-Seok Ha, Kyoungsoo Kim, Kyu-Jin Park, Seung-Woon Shin, Woon-Rok Jang, In-Won Jin
  • Publication number: 20230119488
    Abstract: A display panel may include a plurality of pixels, a plurality of initialization lines for providing an initialization voltage to the plurality of pixels, a common line physically separated from the plurality of initialization lines, and a plurality of switching elements each including a first electrode connected to a respective one of the plurality of initialization lines and a second electrode connected to the common line.
    Type: Application
    Filed: July 14, 2022
    Publication date: April 20, 2023
    Inventors: TAE-SEOK HA, KYOUNGSOO KIM, KYU-JIN PARK, SUNG-JAE PARK, SEUNG-WOON SHIN, HO LEE, WOON-ROK JANG
  • Patent number: 11508317
    Abstract: A display device includes a display unit which includes pixels, an emission driver which applies an emission control signal for allowing the pixels to emit light, and a signal controller which receives a data enable signal including an active period and a blank period during which an image signal is inputted and outputs a control signal for controlling the emission driver such that an emission period of the pixels is changed in response to a blank period.
    Type: Grant
    Filed: May 20, 2021
    Date of Patent: November 22, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Tae-Seok Ha, Kyoung Soo Kim, Kyu-Jin Park, Seung-Woon Shin, Woon-Rok Jang
  • Publication number: 20220343825
    Abstract: A display device includes a controller, a panel driver, and a voltage generator. The controller generates a first control signal and generates image data and a second control signal in response to first and second image signals. The panel driver generates a driving signal in response to the image data and the first control signal to drive a display panel. The voltage generator generates a driving voltage to drive the display panel and changes a voltage level of the driving voltage in response to the second control signal. The first image signal corresponds to a second frame located before a third frame in which the driving voltage is changed. The second image signal corresponds to a first frame located before the second frame. The controller generates image data corresponding to the second frame in response to the first image signal and the second image signal.
    Type: Application
    Filed: January 10, 2022
    Publication date: October 27, 2022
    Inventors: TAE-SEOK HA, KYOUNGSOO KIM, KYU-JIN PARK, SUNG-JAE PARK, SEUNG-WOON SHIN, HO LEE, WOON-ROK JANG