Patents by Inventor In Hwan Hwang

In Hwan Hwang 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).

  • COGNITIVE FUNCTION TEST SERVER AND METHOD
    Publication number: 20230225651
    Abstract: The present invention relates to a cognitive function test server, including a communication interface, a memory; and a processor which is operably connected to the communication interface and the memory, and the processor is configured to provide a first sequence to acquire brainwave data of a user in a resting state by means of an HMD device, acquire baseline brainwave data of the user based on the first sequence, provide at least one second sequence related to a cognitive function by means of the HMD device, acquire input data and activated brainwave data based on the second sequence from the HMD device and an input device connected thereto, and generate a cognitive evaluation result of the user based on at least one of the reference brainwave data, the activated brainwave data, and the input data of the user.
    Type: Application
    Filed: October 5, 2021
    Publication date: July 20, 2023
    Applicant: LOOXID LABS INC.
    Inventors: Yong Wook CHAE, Bo Hee LEE, Jae Son JANG, Tae Heon LEE, Song Sub LEE, Ki Bum KIM, Hyung Sin JEON, Jeong Hwan HWANG
  • DISPLAY DEVICE
    Publication number: 20230232690
    Abstract: A display device includes first and second unit pixels adjacent to each other in a first direction. Each of the first and second unit pixels includes a first group disposed in a first row and a second group disposed in a second row spaced apart from the first row. The first group includes a first light emitting area emitting a first light, and a second light emitting area emitting a second light. The second group includes a light receiving area and third and fourth light emitting areas spaced apart from each other with the light receiving area interposed therebetween and emitting the third light. The fourth light emitting area of the first unit pixel and the third light emitting area of the second unit pixel are spaced apart from each other by a distance from about 25 micrometers to about 100 micrometers in the first direction.
    Type: Application
    Filed: December 23, 2022
    Publication date: July 20, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: JIN-SOO JUNG, KYU HWAN HWANG, KWANG SOO BAE, SEOKGYU YOON, DAE-YOUNG LEE, DUCKJUNG LEE, DA-HEE JEONG
  • DISPLAY DEVICE, AND TILED DISPLAY DEVICE INCLUDING THE DISPLAY DEVICE
    Publication number: 20230230957
    Abstract: A display device includes a substrate including a plurality of emission areas respectively corresponding to a plurality of subpixels for displaying an image, a plurality of light emitting elements respectively located in the plurality of emission areas of a first surface of the substrate and respectively corresponding to the plurality of subpixels, a first planarization layer on the first surface of the substrate and covering the plurality of light emitting elements, and an array layer on the first planarization layer.
    Type: Application
    Filed: December 7, 2022
    Publication date: July 20, 2023
    Inventors: Hyun Joon KIM, Jung Hwan HWANG, Kye Uk LEE, Sang Jin JEON
  • DISPLAY DEVICE
    Publication number: 20230230533
    Abstract: A display device includes a scan write line configured to receive a scan write signal, a scan initialization line configured to receive a scan initialization signal, a sweep signal line configured to receive a sweep signal, a first data line configured to receive a first data voltage, a second data line configured to receive a second data voltage, and a subpixel connected to the scan write line, the scan initialization line, the sweep signal line, the first data line, and the second data line. The subpixel includes a light-emitting element, a first pixel driver including a first transistor configured to generate a control current according to the first data voltage of the first data line, and a second pixel driver including an eighth transistor configured to generate a driving current applied to the light-emitting element according to the second data voltage.
    Type: Application
    Filed: December 14, 2022
    Publication date: July 20, 2023
    Inventors: Hyun Joon KIM, Kye Uk LEE, Sang Jin JEON, Jung Hwan HWANG
  • Display device
    Patent number: 11705051
    Abstract: A display device includes a first pixel driver connected to a sweep line, the first pixel driver generating a control current based on a first data voltage, a second pixel driver connected to a scan control line, the second pixel driver generating a driving current based on a second data voltage and controlling a period for which the driving current flows, based on the control current, and a light-emitting element connected to the second pixel driver to receive the driving current. The first pixel driver includes a first transistor generating the control current based on the first data voltage, a second transistor providing the first data voltage to a first electrode of the first transistor based on a scan write signal, and a first capacitor including a first capacitor electrode connected to a gate electrode of the first transistor, and a second capacitor electrode connected to the sweep line.
    Type: Grant
    Filed: June 24, 2022
    Date of Patent: July 18, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung Hwan Hwang, Hyun Joon Kim, Kye Uk Lee, Sang Jin Jeon, Jun Ki Jeong
  • DISPLAY DEVICE AND TILED DISPLAY DEVICE INCLUDING THE SAME
    Publication number: 20230216003
    Abstract: A display device includes a substrate including a display area for displaying an image, and a non-display area around the display area, fan-out lines above the substrate, top antistatic layers along edges of a top surface above the substrate, and electrically connected to the fan-out lines, lead lines below the substrate, side connecting lines on sides of the substrate, and electrically connecting the fan-out lines and the lead lines, and bottom antistatic layers along edges of a bottom surface below the substrate, and electrically connected to the lead lines.
    Type: Application
    Filed: August 31, 2022
    Publication date: July 6, 2023
    Inventors: Kye Uk LEE, Jun Ki JEONG, Hyun Joon KIM, Jung Hwan HWANG
  • WEBSERVER-BASED VIDEO CONTENT PRODUCTION SYSTEM AND METHOD FOR PRINTING HOLOGRAPHIC STEREOGRAM PHOTO
    Publication number: 20230205134
    Abstract: Provided are a webserver-based video content production system and method for printing a holographic stereogram photo. According to the webserver-based video content production system and method, an encoding process is performed on image data under a web environment to prevent data loss in a network communication process, and then the encoded image data is transmitted to a webserver. The webserver decodes the encoded image data and performs a second-half task (postprocessing) on the decoded image data using deep learning such that a high-quality hologram photo can be printed within a relatively short time without any unnecessary process.
    Type: Application
    Filed: April 21, 2022
    Publication date: June 29, 2023
    Inventors: Seung Hyun LEE, Lee Hwan HWANG, Soon Chul KWON, Chan Soo PARK, Seok Yong SHIN, PHILIPPE GENTET, Jung Ho KIM, Yong Jung KIM
  • MASK AND MASK MANUFACTURING METHOD
    Publication number: 20230201868
    Abstract: Provided is a mask manufacturing method which includes preparing a mask sheet and a frame, stretching the mask sheet, and fixing the stretched mask sheet to the frame, and forming cell openings in the mask sheet fixed to the frame.
    Type: Application
    Filed: February 27, 2023
    Publication date: June 29, 2023
    Inventors: HWI KIM, JEONGKUK KIM, DA-HEE JEONG, SEUNGYONG SONG, AREUM LEE, HYE YONG CHU, KYU HWAN HWANG
  • Coronavirus Disease 2019(COVID -19) Recombinant Spike Protein Forming Trimer, Method for Mass Producing Recombinant Spike Protein in Plants, and Method for Preparing Vaccine Composition on Basis Thereof
    Publication number: 20230203101
    Abstract: The present invention relates to a recombinant spike protein of the COVID-19 virus forming a trimer and a method for mass-producing the recombinant spike protein, and more specifically to a method for designing a recombinant gene expressing a recombinant spike protein of the COVID-19 virus forming a trimer for the purposes of enhancing immunogenicity and effective antigen delivery, and a method for mass-producing the recombinant spike protein in plants.
    Type: Application
    Filed: April 22, 2021
    Publication date: June 29, 2023
    Applicants: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION, KOREA NATIONAL INSTITUTE OF HEALTH, BIOAPPLICATIONS INC
    Inventors: In Hwan HWANG, Shijian SONG, Rezaul Islam Khan MD, Haiping DIAO, Eun Ju SOHN, Bo Hwa CHOI, Jang Hoon CHOI, Eun Young JANG, Young Jae LEE
  • SEMICONDUCTOR PACKAGE HAVING A HIGH RELIABILITY
    Publication number: 20230207533
    Abstract: A semiconductor package includes a package substrate, a plurality of semiconductor devices stacked on the package substrate, a plurality of underfill fillets disposed between the plurality of semiconductor devices and between the package substrate and the plurality of semiconductor devices, and a molding resin at least partially surrounding the plurality of semiconductor devices and the plurality of underfill fillets. The plurality of underfill fillets include a plurality of protrusions that protrude from spaces between each of the plurality of semiconductor devices or between the package substrate and each of the plurality of semiconductor devices. At least two neighboring underfill fillet protrusions of the plurality of protrusions form one continuous structure without an interface therebetween.
    Type: Application
    Filed: March 10, 2023
    Publication date: June 29, 2023
    Inventors: JI-HWAN HWANG, SANG-SICK PARK, TAE-HONG MIN, GEOL NAM
  • Display device
    Patent number: 11688331
    Abstract: A display device includes: a first pixel driver to generate a control current; a second pixel driver to generate a driving current, and control a period during which the driving current flows, based on the control current; and a light-emitting element connected to the second pixel driver to receive the driving current. The first pixel driver includes: a first transistor to generate the control current based on a first data voltage; and a second transistor to provide the first data voltage to a first electrode of the first transistor based on a scan write signal from a scan write line. The second pixel driver includes: a third transistor to generate the driving current based on the control current; and a fourth transistor to provide a second data voltage to a first electrode of the third transistor based on a scan write signal from the scan write line.
    Type: Grant
    Filed: June 24, 2022
    Date of Patent: June 27, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung Hwan Hwang, Hyun Joon Kim, Kye Uk Lee, Sang Jin Jeon, Jun Ki Jeong
  • MASK ASSEMBLY, METHOD OF REPAIRING THE SAME, AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20230193449
    Abstract: A mask assembly includes an open mask provided with an opening and disposed on a frame, a unit mask disposed on the open mask, the unit mask including a deposition portion and welding portion, deposition openings are defined on the deposition portion to overlap the opening in a plan view, and the welding portions each protrude from the deposition portion in a protrusion direction away from the deposition portion, welding protrusions respectively disposed on the welding portions, and at least one residual structure including a residual welding portion separated from the unit mask and a residual welding protrusion disposed on the residual welding portion. The at least one residual structure is disposed between the welding portions.
    Type: Application
    Filed: November 7, 2022
    Publication date: June 22, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: JEONGKUK KIM, MINHO MOON, SEUNGYONG SONG, KYU HWAN HWANG
  • Multiple Hydraulic Robot System for Precisely Mounting Girder
    Publication number: 20230191609
    Abstract: A multiple hydraulic robot system for precisely installing a girder according to the present disclosure may comprise: four hydraulic robots connected to both sides of two connection plates which are coupled to both ends of the top surface of a girder installed between bridge piers and to which cables of a crane are connected, wherein the robots move the girder horizontally and vertically; a hydraulic system for operating actuators of the four hydraulic robots; and a controller which controls the remotely operated four hydraulic robots by means of a synchronization control algorithm to precisely adjust the installing position of the girder.
    Type: Application
    Filed: January 11, 2021
    Publication date: June 22, 2023
    Inventors: Jeong Woo PARK, Hyogon KIM, Hyojun LEE, Jong Chan KIM, Kyoungseok NOH, Young Ho CHOI, Jeong Hwan HWANG, Jo Hyun PARK
  • Apparatus for treating waste of nuclear reactor pressure vessel, and method for treating waste of nuclear reactor pressure vessel
    Patent number: 11682496
    Abstract: An apparatus for treating waste of a nuclear reactor pressure vessel includes: a suction unit inserted into the nuclear reactor pressure vessel through a plurality of through-pipes passing through a lower portion of the nuclear reactor pressure vessel to suck waste inside the nuclear reactor pressure vessel; a waste treatment part connected to the suction unit to treat the waste; and a lower collection part connected to the waste treatment part to be positioned under the nuclear reactor pressure vessel with the suction unit therebetween.
    Type: Grant
    Filed: July 3, 2019
    Date of Patent: June 20, 2023
    Assignee: KOREA HYDRO & NUCLEAR POWER CO., LTD.
    Inventors: Young Hwan Hwang, Mi-Hyun Lee, Seok-Ju Hwang, Cheon-Woo Kim
  • Compressed powder magnetic core, powder for magnetic core, and production methods therefor
    Patent number: 11679437
    Abstract: A dust core that can significantly reduce the iron loss is provided. The dust core of the present invention includes soft magnetic particles comprising pure iron or an iron alloy and a grain boundary layer existing between adjacent soft magnetic particles. The grain boundary layer has a compound layer comprising MxFe2-xSiO4 (0?x?1, M: one or more types of metal elements that serve as divalent cations). Such a dust core is obtained by annealing a compact. The compact is obtained by compression-molding a powder for magnetic cores. In the powder for magnetic cores, coating layers that coat the surfaces of soft magnetic particles are each composed of a composite phase in which spinel-type ferrite represented by MyFe3-yO4 (0?y?1, M: one or more types of metal elements that serve as divalent cations) is dispersed on a surface of a silicone resin or inside the silicone resin.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: June 20, 2023
    Assignee: DENSO CORPORATION
    Inventors: Seishi Utsuno, Jung Hwan Hwang, Ken Matsubara, Masataka Mitomi
  • DISPLAY DEVICE
    Publication number: 20230186836
    Abstract: A display device including: a first transistor configured to control a control current based on a voltage of a first node; a second transistor configured to electrically connect a second node that is a first electrode of the first transistor to a first data line in response to a scan write signal; a third transistor configured to control a driving current based on a voltage of a third node; a fourth transistor configured to electrically connect a fourth node that is a first electrode of the third transistor to a second data line in response to the scan write signal; a fifth transistor configured to control the driving current based on a voltage of a fifth node having received the control current; and a light emitting element configured to receive the driving current, wherein the fifth transistor is of a different type from that of the first to fourth transistors.
    Type: Application
    Filed: November 30, 2022
    Publication date: June 15, 2023
    Inventors: Jun Ki JEONG, Hyun Joon KIM, Jung Hwan HWANG
  • SURFACE-TO-AIR FLIGHT GUIDANCE APPARATUS
    Publication number: 20230184515
    Abstract: A flight guidance technique for guiding an aerial vehicle to track a target is provided. A flight guidance apparatus transmits a radio frequency (RF) signal encoded with transmission direction information to an antenna. A guided aerial vehicle receives RF signals transmitted through two antennas spaced apart from each other, measures a phase difference between the RF signals, and compares the measured phase difference with a result of decoding the transmission direction information to control a direction of flight.
    Type: Application
    Filed: December 8, 2022
    Publication date: June 15, 2023
    Applicant: OWLYNK CO., LTD.
    Inventor: Shin Hwan HWANG
  • RECONFIGURABLE AIRWAY SIGNALING SYSTEM
    Publication number: 20230184867
    Abstract: Provided are an airway setting device for signaling an airway to an aerial vehicle and an automatic navigation system for controlling the aerial vehicle to fly the airway. The airway setting device transmits radio frequency (RF) signals through two antennas spaced apart from each other. The transmitted RF signals are encoded with phase difference information intended for an aerial vehicle receiving the transmitted RF signals. An automatic navigation system of the aerial vehicle receives the RF signals from the two antennas spaced apart from each other, measures a phase difference between the RF signals, decodes encoded phase difference information, and compares the measured phase difference with the decoded phase difference to identify and maintain an airway.
    Type: Application
    Filed: December 8, 2022
    Publication date: June 15, 2023
    Applicant: OWLYNK CO., LTD.
    Inventor: Shin Hwan HWANG
  • INFLUENZA VIRUS SURFACE PROTEIN-DERIVED RECOMBINANT HEMAGGLUTININ PROTEIN FORMING TRIMER, AND USE THEREOF
    Publication number: 20230173055
    Abstract: The present invention relates to an influenza virus surface protein-derived recombinant hemagglutinin (HA) protein forming a trimer and use thereof, and more specifically to a recombinant vector for producing an influenza virus surface protein-derived HA protein forming a trimer, a transformant transformed by the recombinant vector, a method for producing an influenza virus surface protein-derived HA protein forming a trimer using the recombinant vector, an influenza virus surface protein-derived HA protein produced by the method, and the use thereof in preventing, ameliorating or treating influenza virus-infected disease.
    Type: Application
    Filed: April 22, 2021
    Publication date: June 8, 2023
    Applicants: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION, BIOAPPLICATIONS INC, INDUSTRY-ACADEMIC COOPERATION FOUNDATION GYEONGSANG NATIONAL UNIVERSITY, KONKUK UNIVERSITY INDUSTRIAL COOPERATION CORP
    Inventors: In Hwan HWANG, Jun Ho LEE, Diao HAIPING, Shijian SONG, Woe Yeon KIM, Min Gab KIM, Gyeong Ryul RYU, Gyeong Im SHIN, Chang Seon SONG, Ji Ho LEE, Deok Hwan KIM
  • Method for measurement of electromagnetic field, and system therefor
    Patent number: 11668741
    Abstract: An electromagnetic wave measurement system may include: a reference receiving device; a plurality of auxiliary receiving devices; and a control device connected to the reference receiving device and the plurality of auxiliary receiving devices, wherein the reference receiving device has a wider dynamic range than the plurality of auxiliary receiving devices, the control device collects a frequency-specific measurement value from each of the reference receiving device and the plurality of auxiliary receiving devices, and the frequency-specific measurement value of each of the auxiliary receiving devices is calibrated based on the frequency-specific measurement value of the reference receiving device.
    Type: Grant
    Filed: December 10, 2021
    Date of Patent: June 6, 2023
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Chang Hee Hyoung, Jong Hwa Kwon, Jung Hwan Hwang