Patents by Inventor Hyuk Choi

Hyuk Choi 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).

  • PLASTICIZER COMPOSITION AND RESIN COMPOSITION INCLUDING THE SAME
    Publication number: 20220162436
    Abstract: The present disclosure relates to a plasticizer composition including a cyclohexane 1,4-diester-based material and a cyclohexane 1,2,4-triester-based material, and may provide a plasticizer maintaining an excellent level of plasticization efficiency when compared with a common phthalate-based plasticizer product and improving mechanical properties, and may also provide a plasticizer having excellent stress resistance as an advantage.
    Type: Application
    Filed: April 28, 2020
    Publication date: May 26, 2022
    Inventors: Hyun Kyu KIM, Yun Ki CHO, Woo Hyuk CHOI, Jeong Ju MOON
  • RESISTANCE RANDOM ACCESS MEMORY DEVICE AND METHOD FOR MANUFACTURING SAME
    Publication number: 20220158094
    Abstract: A resistance random access memory device includes a resistance change layer, including an organometallic halide having perovskite grains, disposed on a first electrode; and a second electrode disposed on the resistance change layer. A boundary between the perovskite grains comprises an amorphous metal oxide.
    Type: Application
    Filed: November 16, 2021
    Publication date: May 19, 2022
    Applicant: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Hyun Suk JUNG, SangMyeong LEE, Won Bin KIM, Jae Myeong LEE, Oh Yeong Gong, Jun Young KIM, Jin Hyuk CHOI, ChangHwun SOHN
  • THERMALLY ISOLATED SILICON-BASED DISPLAY
    Publication number: 20220157798
    Abstract: A display system includes (a) a display element having an organic light emitting diode-containing display active area disposed over a silicon backplane, (b) a display driver integrated circuit (DDIC) attached to the display element and electrically connected with the display active area, and (c) a thermal barrier disposed within the silicon backplane, where the thermal barrier is configured to inhibit heat flow through the silicon backplane and into the display active area.
    Type: Application
    Filed: November 16, 2020
    Publication date: May 19, 2022
    Inventors: Young Bae Kim, Donghee Nam, Min Hyuk Choi, Zhiming Zhuang
  • ACTIVE THERMAL MANAGEMENT OF A DISPLAY PANEL
    Publication number: 20220147124
    Abstract: A system includes a display panel, a temperature sensor configured to measure a temperature of the display panel, a thermoelectric device coupled to the display panel and configured to transfer heat to or from the display panel, and a controller electrically coupled to the temperature sensor and the thermoelectric device. The controller is configured to receive the measured temperature of the display panel and, based on the measured temperature of the display panel, send a second signal to the thermoelectric device to cause the thermoelectric device to remove a first quantity of heat from the display panel or send a third signal to the thermoelectric device to cause the thermoelectric device to provide a second quantity of heat to the display panel.
    Type: Application
    Filed: November 9, 2020
    Publication date: May 12, 2022
    Inventors: Min Hyuk CHOI, Zhiming ZHUANG, Kyung Won PARK
  • METHODS OF DRIVING LIGHT SOURCES IN A NEAR-EYE DISPLAY
    Publication number: 20220146832
    Abstract: A method including determining a maximum luminance location of a display based on a field of view of an eye of a user of the display, and driving a plurality of light sources in the display based on locations of the plurality of light sources with respect to the maximum luminance location of the display. The plurality of light sources is controlled to have different luminance levels in different display zones corresponding to different zones on the retina of the eye of the user. In some examples, the display zones of the display system that have higher luminance levels can be dynamically changed based on the field of view or the gaze direction of the eye of the user.
    Type: Application
    Filed: November 18, 2021
    Publication date: May 12, 2022
    Inventors: Min Hyuk CHOI, Zhiming ZHUANG, Wonjae CHOI, Cheonhong KIM
  • Gate driving with progressive scanning and interlaced scanning in different portions of display device
    Patent number: 11322095
    Abstract: Embodiments relate to a display device including an active display area with pixels arranged in rows and columns, where a focus area of the active display area is operated in a progressive scanning manner and a non-focus area of the active display area is operated in an interlaced scanning manner. The active display area is driven by a gate driver circuit that supplies gate signals the pixels. First stages of the gate driver circuit are coupled to first rows of the pixels that are in the focus area and output first gate signals in the progressive scanning manner. Second stages of the gate driver circuit are coupled to second rows of the pixels that are in the non-focus area and output second gate signals in the interlaced scanning manner.
    Type: Grant
    Filed: March 5, 2021
    Date of Patent: May 3, 2022
    Assignee: Facebook Technologies, LLC
    Inventors: Zhiming Zhuang, Min Hyuk Choi, Donghee Nam, Wonjae Choi
  • METHOD FOR DECREASING IMMUNOGENICITY OF PROTEIN AND PEPTIDE
    Publication number: 20220118103
    Abstract: A method for increasing serum half-life of a protein or peptide and decreasing immunogenicity thereof is disclosed. The method includes site-specifically binding a carrier to a protein or peptide. A protein or peptide produced by the method and the uses thereof are disclosed. The conjugate of the physiologically active protein or peptide can significantly decrease immunogenicity in the human body and thus reduce antibody production rate against the protein or peptide. Therefore, the present conjugate has advantages in that a phenomenon of reduced clinical effects of the physiologically active protein or peptide is low, and it can be effectively used in the development of long-acting formulations having a high safety against the immune response.
    Type: Application
    Filed: December 30, 2021
    Publication date: April 21, 2022
    Applicant: HANMI PHARM. CO., LTD.
    Inventors: Sung Hee PARK, Seung Su KIM, Hyung Kyu LIM, Jae Hyuk CHOI, In Young CHOI, Se Chang KWON
  • Organic light-emitting device
    Patent number: 11302873
    Abstract: The present application provides a hetero-cyclic compound capable of greatly enhancing a lifetime, efficiency, electrochemical stability and thermal stability of an organic light emitting device, and an organic light emitting device containing the hetero-cyclic compound in an organic compound layer.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: April 12, 2022
    Assignee: LT MATERIALS CO, LTD.
    Inventors: Hyun Ju La, Yun Ji Lee, Gi Back Lee, Won Jang Jeong, Jin Seok Choi, Dae Hyuk Choi
  • SWITCH LEAKAGE COMPENSATION FOR GLOBAL ILLUMINATION
    Publication number: 20220091418
    Abstract: A method of leakage-compensated global illumination comprises obtaining position data for at least one of a head or an eye of a user of a display system by an application processor, rendering image data for an image frame by the application processor based on the position data, modifying the image data to compensate for leakage associated with a global illumination by a display of the display system, and sending the image data to a display driver circuit of the display system for displaying the image frame on the display through the global illumination.
    Type: Application
    Filed: September 21, 2020
    Publication date: March 24, 2022
    Inventors: Min Hyuk CHOI, Zhiming ZHUANG, Wonjae CHOI
  • Method for Manufacturing a Circuit Having a Lamination Layer Using Laser Direct Structuring Process
    Publication number: 20220087029
    Abstract: The present disclosure relates to the method of manufacturing circuit having lamination layer using LDS (Laser Direct Structuring) to ease the application on surface structure for applied product of various electronic circuit and particularly, in which can form circuit structure of single-layer to multiple-layer on the surface of injection-molded substrate in the shape of plane or curved surface, metal product, glasses, ceramic, rubber or other material.
    Type: Application
    Filed: November 29, 2021
    Publication date: March 17, 2022
    Inventors: Seung Hyuk Choi, Hyun Jun Hong, Tae Wook Kim, Cheong Ho Ryu, Young Sang Kim, Sung Jun Kim
  • RESISTANCE ACCESS MEMORY DEVICE AND FABRICATING METHOD OF THE SAME
    Publication number: 20220085289
    Abstract: A resistance access memory device includes a first electrode, a resistance change layer, formed on the first electrode, comprising a thin film containing BiX13 and and Bi2X2(3-x), and a second electrode formed on the resistance change layer, where X1 is a halogen element selected from the group consisting of F, Cl, Br, I, and combinations thereof, X2 is a chalcogen element selected from the group consisting of S, Se, Te, and combinations thereof, and x is a real number of 0 or more and less than 3.
    Type: Application
    Filed: August 13, 2021
    Publication date: March 17, 2022
    Applicant: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Jung Hyun SUK, Han Gil SANG, SangMyeong LEE, Won Bin KIM, Jae Myeong LEE, Jun Young KIM, Oh Young GONG, Jin Hyuk CHOI
  • Transfer method using deformable film
    Patent number: 11276603
    Abstract: A transfer method of transferring an object to a target substrate by using a deformable film is provided. The method includes: a first process of forming an object on a source substrate, a second process of placing a deformable film on the source substrate on which the object is formed, a third process of embedding the object into the deformable film, a fourth process of separating an object, which is to be transferred, from the source substrate, integrating the transfer object in or on a surface of the deformable film, and separating deformable film, in which the transfer object is integrated, from the source substrate, and a fifth process of transferring the object integrated into the deformable film to a target substrate.
    Type: Grant
    Filed: June 22, 2020
    Date of Patent: March 15, 2022
    Assignee: LC SQUARE CO., LTD.
    Inventors: Je Hyuk Choi, Chang Wan Kim, Chan Soo Shin, Hyeong Ho Park, Shin Keun Kim
  • System, method, infrastructure, and vehicle for automated valet parking
    Patent number: 11267459
    Abstract: An automated parking system of a vehicle autonomously moves to and parks in a vacant parking slot based on communication with an infrastructure facility for automated parking. In particular, the infrastructure facility transmits an autonomous valet parking start command to the vehicle and then transmits a target position and a guide route to the vehicle. The vehicle performs autonomous valet parking based on the target position and the guide route received from the infrastructure facility, and may apply an emergency brake when an area around the vehicle is determined as being unsafe during autonomous driving to the target position.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: March 8, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Jin Hyuk Choi, Sung Won Yoon
  • Glucagon derivatives
    Patent number: 11254724
    Abstract: The present invention relates to a novel peptide of a glucagon derivative and a composition for preventing or treating obesity comprising the peptide as an active ingredient. The glucagon derivative according to the present invention shows a more excellent activating effect with regard to both glucagon-like peptide-1 receptors and glucagon receptors compared to native glucagon, and thus can be widely used as an effective agent for treating obesity.
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: February 22, 2022
    Assignee: Hanmi Pharm. Co., Ltd.
    Inventors: Sung Youb Jung, Young Jin Park, Jong Suk Lee, Jae Hyuk Choi, Chang Ki Lim, Se Chang Kwon
  • Heterocyclic compound and organic light emitting element using same
    Patent number: 11248008
    Abstract: The present application relates to a hetero-cyclic compound represented by Chemical Formula 1, and an organic light emitting device comprising the same.
    Type: Grant
    Filed: November 24, 2017
    Date of Patent: February 15, 2022
    Assignee: LT MATERIALS CO., LTD.
    Inventors: Won-Jang Jeong, Yun-Ji Lee, Gi-Back Lee, Jin-Seok Choi, Dae-Hyuk Choi, Joo-Dong Lee
  • Micro OLEDs having narrow bezel
    Patent number: 11244996
    Abstract: A device such as a micro-OLED includes a display element having a display active area disposed over a silicon backplane and a display driver integrated circuit (DDIC) electrically coupled to the display element through at least one contact that extends through the silicon backplane. Through silicon via (TSV) technology may be used to form the contacts. A chip-on-flex architecture may be used to orient and attach the DDIC to the silicon backplane.
    Type: Grant
    Filed: April 27, 2020
    Date of Patent: February 8, 2022
    Assignee: Facebook Technologies, LLC
    Inventors: Min Hyuk Choi, Cheonhong Kim, Richard Han Soo Cho
  • Heterocyclic compound and organic light emitting device using same
    Patent number: 11239427
    Abstract: The present application provides a hetero-cyclic compound capable of significantly enhancing lifespan, efficiency, electrochemical stability and thermal stability of an organic light emitting device, and an organic light emitting device containing the hetero-cyclic compound in an organic compound layer.
    Type: Grant
    Filed: July 6, 2017
    Date of Patent: February 1, 2022
    Assignee: LT MATERIALS CO., LTD.
    Inventors: Gi-Back Lee, Han-Kook Oh, Yong-Geun Jung, Jun-Tae Mo, Won-Jang Jeong, Jin-Seok Choi, Dae-Hyuk Choi, Joo-Dong Lee
  • GLUCAGON DERIVATIVES
    Publication number: 20220025012
    Abstract: The present invention relates to a novel peptide of a glucagon derivative and a composition for preventing or treating obesity comprising the peptide as an active ingredient. The glucagon derivative according to the present invention shows a more excellent activating effect with regard to both glucagon-like peptide-1 receptors and glucagon receptors compared to native glucagon, and thus can be widely used as an effective agent for treating obesity.
    Type: Application
    Filed: October 12, 2021
    Publication date: January 27, 2022
    Inventors: Sung Youb JUNG, Young Jin PARK, Jong Suk LEE, Jae Hyuk CHOI, Chang Ki LIM, Se Chang KWON
  • ABSOLUTE POSITION DETECTION DEVICE AND DETECTION METHOD OF ROTATING BODY USING MAGNETIC MATERIAL
    Publication number: 20220018685
    Abstract: This application relates to an absolute position detection device and detection method of a rotating body using a magnetic material. The device may include magnets coupled to a rotating body and configured to rotate together and having n pole pairs, wherein n is a natural number and (n+1) magnetic materials arranged adjacent to the magnets, spaced apart from each other by a predetermined interval, and configured to rotate together with the rotating body. The device may also include a first Hall sensor spaced apart from the magnets, installed to allow the magnetic materials to rotate in a space between the first Hall sensor and the magnets and configured to output a first signal based on the magnets when the magnetic materials approach the first Hall sensor. The device may further include a controller configured to measure an absolute position of the rotating body using the first signal.
    Type: Application
    Filed: December 29, 2020
    Publication date: January 20, 2022
    Inventors: Jun Hyuk CHOI, Joon Sung PARK, Jin Hong KIM, Byong Jo HYON, Yong Su NOH, Dong Myoung JOO
  • ABSOLUTE POSITION DETECTION DEVICE AND DETECTION METHOD OF ROTATING BODY
    Publication number: 20220018684
    Abstract: This application relates to an absolute position detection device and detection method of a rotating body. In one aspect, the device includes first row magnets coupled to a rotating body to rotate together and having n pole pairs, and second row magnets coupled to the rotating body to rotate together and having (n+1) pole pairs. The device also includes a first Hall sensor installed adjacent to the first row magnets and configured to detect a change in magnetism according to rotation of the first row magnets. The device further includes a second Hall sensor installed adjacent to the second row magnets and configured to detect a change in magnetism according to rotation of the second row magnets. The device further includes a controller configured to measure an absolute position of the rotating body using signals output from the first and second Hall sensors.
    Type: Application
    Filed: December 29, 2020
    Publication date: January 20, 2022
    Inventors: Jun Hyuk CHOI, Joon Sung PARK, Jin Hong KIM, Byong Jo HYON, Yong Su NOH, Dong Myoung JOO