Patents by Inventor Seong Choi

Seong 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).

  • Publication number: 20230399546
    Abstract: A method of manufacturing a monolayer-structured ultra-thin antireflection sticker through a soft lithography process and an ultra-thin antireflection sticker, includes: a master mold manufacturing step in which a master mold having a plurality of semi-spherical mold structures on an upper surface thereof is manufactured; a sticker material coating step in which a sticker material is coated onto the upper surface of the master mold; a cured film covering step in which a cured film is disposed to cover an upper surface of the sticker material; a curing step in which the sticker material is cured; a cured film removal step in which the cured film is removed from the sticker material; and a sticker peeling step in which the cured sticker material is peeled off the master mold, the peeled-off sticker material forming a monolayer-structured ultra-thin antireflection sticker having a plurality of antireflective structures on an upper surface thereof.
    Type: Application
    Filed: June 11, 2023
    Publication date: December 14, 2023
    Applicant: THE INDUSTRY & ACADEMIC COOPERPATION IN CHUNGNAM NATIONAL UNIVERSITY (IAC)
    Inventors: Seong Min KANG, Ji Seong CHOI
  • Publication number: 20230391956
    Abstract: Provided is an organic-inorganic compound including a first structural body and a curable reactive group, wherein the first structural body may have a structure in which silane and isohexide are chemically bonded through a silyl ether bond.
    Type: Application
    Filed: June 2, 2023
    Publication date: December 7, 2023
    Inventors: GWANG-MUN CHOI, Yong Sung EOM, Jiho JOO, KWANG-SEONG CHOI, Seok-Hwan MOON, Jin Hyuk OH, Ho-Gyeong YUN, CHANMI LEE, Ki Seok JANG
  • Publication number: 20230326810
    Abstract: Provided are a microwave heating device and a method for manufacturing a semiconductor packaging using the same. The microwave heating device includes a microwave generator configured to generate microwaves, a microwave absorbing layer configured to receive the microwaves so as to be heated, a temperature measuring layer provided on the microwave absorbing layer, a sensor configured to detect a temperature of the temperature measuring layer, and a controller connected to the sensor and the microwave generator to determine the temperature of the microwave absorbing layer using a detection signal of the sensor, the controller being configured to control a voltage of the microwaves provided from the microwave generator based on the temperature of the microwave absorbing layer.
    Type: Application
    Filed: April 7, 2023
    Publication date: October 12, 2023
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: GWANG-MUN CHOI, Yong Sung EOM, Jiho JOO, KWANG-SEONG CHOI, Seok-Hwan MOON, Jin Hyuk OH, Ho-Gyeong YUN, CHANMI LEE, Ki Seok JANG
  • Publication number: 20230281081
    Abstract: An electronic device and method with on-demand accelerator checkpointing are provided. In one general aspect, an electronic device includes a host processor, and an accelerator configured to operate according to instructions transmitted by the host processor to the accelerator, wherein, a memory of the host processor and a memory of the accelerator are respectively checkpointed to a storage at respective different intervals, and in response to a determination that a failure has occurred in the host processor, the memory of the accelerator is checkpointed to the storage.
    Type: Application
    Filed: November 21, 2022
    Publication date: September 7, 2023
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jaehyung Ahn, SEONGBEOM KIM, BYUNGWOO BANG, UISEOK SONG, JUNYEON LEE, WOOSEOK CHANG, HUN SEONG CHOI
  • Publication number: 20230201862
    Abstract: Provided is a slot die coating device, and more specifically, a slot die coating device in which negative pressure generation is applied into a slot die and a method of using the same. The slot die coating device includes a first main body including a first surface, a second main body including a second surface corresponding to the first surface, and located to be spaced apart from the first surface by a regular interval, a main body unit including a head lip that is a space between the first surface and the second surface, and a negative pressure generation unit installed on at least one of the first main body and the second main body.
    Type: Application
    Filed: November 19, 2022
    Publication date: June 29, 2023
    Inventors: Shin Jang, Jun Tae Kim, Ji Young Kim, Jin Seong Choi, Hyo Jong Kim
  • Patent number: 11677060
    Abstract: Provided is a method for transferring and bonding devices. The method includes applying an adhesive layer to a carrier, arranging a plurality of devices, attaching the arranged devices to the carrier, applying a polymer film to a substrate, aligning the carrier to which the plurality of devices are attached with the substrate, bonding the plurality of devices to the substrate by radiating laser, and releasing the carrier from the substrate to which the plurality of devices are bonded.
    Type: Grant
    Filed: April 12, 2021
    Date of Patent: June 13, 2023
    Assignee: ELECTRONICS AND TELEOCMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jiho Joo, Yong Sung Eom, Gwang-Mun Choi, Kwang-Seong Choi, Chanmi Lee, Ki Seok Jang
  • Patent number: 11670965
    Abstract: Disclosed is a wireless power transmitting apparatus including a power transmitting coil generating an induced electromotive force on a power receiving coil of a terminal, a magnet casing composed of a first space in a cylinder shape where the power transmitting coil is inserted, and a second space sharing a central axis of the cylinder with the first space, wherein the second space is a space between the first space and a cylinder having a diameter greater than a diameter of the cylinder of the first space, a ring magnet disposed in the second space of the magnet casing in a shape of a ring, wherein the ring magnet has a height smaller than a height of the magnet casing, and is movable in a vertical direction of the magnet casing by external magnetism, and a cover constructed in a direction perpendicular to an axis of the power transmitting coil.
    Type: Grant
    Filed: October 8, 2021
    Date of Patent: June 6, 2023
    Assignee: WITS CO., LTD.
    Inventors: Jong Jin Lee, Heon Gyu Lee, Sang Hyup Lee, Tae Yong Kim, O Seong Choi
  • Publication number: 20230168805
    Abstract: A method of controlling a display device including a touch screen is provided. The method includes setting an application execution space having one or more sub spaces in which windows executing applications are arranged, arranging windows corresponding to one or more applications which are being executed in the sub spaces of the set application execution space, displaying a first sub space corresponding to one of the one or more sub spaces on the touch screen, receiving a data sharing command for sharing data included in a first window arranged in the first sub space, and sharing the data to be shared by a second window arranged in a second sub space corresponding to one of the one or more sub spaces based on the data sharing command.
    Type: Application
    Filed: January 27, 2023
    Publication date: June 1, 2023
    Inventors: Tae-Soo KIM, Kang-Tae KIM, Doo-Hwan KIM, Chul-Joo KIM, Seong CHOI
  • Publication number: 20230147151
    Abstract: An embodiment charging apparatus includes a main battery, a charger configured to generate an initial charging power source by receiving a direct current (DC) power source from an auxiliary battery installed separately from the main battery or by receiving an alternating current (AC) power source to execute an initial charging operation, and a first switch configured to block or conduct an electrical connection between the auxiliary battery and the charger to thereby execute the initial charging operation depending upon whether the AC power source is supplied. The initial charging operation is terminated when the initial charging power source reaches a preset reference value calculated by multiplying an output power source of the main battery by a preset setting value.
    Type: Application
    Filed: July 19, 2022
    Publication date: May 11, 2023
    Inventor: Min-Seong Choi
  • Publication number: 20230108491
    Abstract: An image signal processor includes a statistic data generating unit for receiving an image signal from an external device, an image processing unit for receiving the image signal, and a direct memory access (DMA) module connected to the statistic data generating unit and the image processing unit. The statistic data generating unit performs first image pre-processing on the image signal and generates first statistic data based on the image signal subjected to the first image pre-processing. The DMA module stores the first statistic data therein and provides the stored first statistic data to the image processing unit. The image processing unit performs second image pre-processing on the image signal and performs image processing on the image signal based on the first statistic data.
    Type: Application
    Filed: March 7, 2022
    Publication date: April 6, 2023
    Inventors: DONG-BUM CHOI, IL DO KIM, DONG WOO LEE, NA-RI IM, KYU YUL CHOI, JONG SEONG CHOI, SUK HWAN LIM
  • Patent number: 11618109
    Abstract: Provided is a wire for electric bonding, which includes a solder wire and a composition for bonding adjacent to the solder wire, the solder wire is wet when reaches to a melting point as heat is transferred, the composition for bonding includes an epoxy resin, a reducing agent, and a curing agent, the reducing agent removes a metal oxide formed on a surface of the solder wire, and the epoxy resin is cured by chemically reacting with the reducing agent and the curing agent at a curing temperature.
    Type: Grant
    Filed: June 30, 2021
    Date of Patent: April 4, 2023
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Gwang-Mun Choi, Yong Sung Eom, Kwang-Seong Choi, Jiho Joo, Chanmi Lee, Ki Seok Jang
  • Publication number: 20230083328
    Abstract: A magnetic tunnel junction device and an operating method thereof are disclosed. The magnetization switching of a free layer may be induced through spin orbit torque or spin transfer torque, and a magnetization direction of a pinned layer may be easily set according to the intention of a designer through ferromagnetic coupling and antiferromagnetic coupling.
    Type: Application
    Filed: January 8, 2021
    Publication date: March 16, 2023
    Applicant: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Jin Pyo HONG, Jeong Hun SHIN, Yoon Seong CHOI
  • Patent number: 11604580
    Abstract: A method of controlling a display device including a touch screen is provided. The method includes setting an application execution space having one or more sub spaces in which windows executing applications are arranged, arranging windows corresponding to one or more applications which are being executed in the sub spaces of the set application execution space, displaying a first sub space corresponding to one of the one or more sub spaces on the touch screen, receiving a data sharing command for sharing data included in a first window arranged in the first sub space, and sharing the data to be shared by a second window arranged in a second sub space corresponding to one of the one or more sub spaces based on the data sharing command.
    Type: Grant
    Filed: November 3, 2021
    Date of Patent: March 14, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Tae-Soo Kim, Kang-Tae Kim, Doo-Hwan Kim, Chul-Joo Kim, Seong Choi
  • Patent number: 11581548
    Abstract: Disclosed herein is a method of manufacturing a support for a catalyst of a fuel cell. The method may include preparing an admixture including a carbon material and a cerium precursor into a reactor, providing the admixture in a reactor, raising a temperature of the reactor to a predetermined temperature, and introducing water vapor into the reactor to perform an activation reaction of the carbon material.
    Type: Grant
    Filed: September 28, 2021
    Date of Patent: February 14, 2023
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Geon Hee Cho, Ji Hoon Yang, Kook Il Han, Jin Seong Choi
  • Publication number: 20230030897
    Abstract: Disclosed are a converter control device and a control method including a first switching element connected to each end of at least one first battery, a second switching element connected to the other end of the first battery and connected in series with the first switching element, a third switching element connected to one end of a second battery, a fourth switching element connected to the other end of the second battery and connected in series with the third switching element, an inductor connected to a first node between the first switching element and the second switching element and a second node between the third switching element and the fourth switching element, and a duty controller to receive each first voltage that is a voltage value of each end of the first battery and a second voltage that is a voltage value of one end of the second battery, and to output duty of the respective first switching element based on the first voltage and the second voltage.
    Type: Application
    Filed: March 16, 2022
    Publication date: February 2, 2023
    Inventors: Min Seong Choi, Jin Young Yang, In Yong Yeo
  • Patent number: 11567659
    Abstract: A method of controlling a display device including a touch screen is provided. The method includes setting an application execution space having one or more sub spaces in which windows executing applications are arranged, arranging windows corresponding to one or more applications which are being executed in the sub spaces of the set application execution space, displaying a first sub space corresponding to one of the one or more sub spaces on the touch screen, receiving a data sharing command for sharing data included in a first window arranged in the first sub space, and sharing the data to be shared by a second window arranged in a second sub space corresponding to one of the one or more sub spaces based on the data sharing command.
    Type: Grant
    Filed: November 3, 2021
    Date of Patent: January 31, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Tae-Soo Kim, Kang-Tae Kim, Doo-Hwan Kim, Chul-Joo Kim, Seong Choi
  • Publication number: 20230027892
    Abstract: Provided is an electronic device including a plurality of substrate electrodes on a substrate, the substrate electrodes including initial electrodes and spare electrodes, a bonding material covering the initial electrodes and the spare electrodes, module structures respectively provided on first initial electrodes of the initial electrodes, and solders between each of the first initial electrodes and each of the module structures, wherein the spare electrodes include second spare electrodes, wherein the module structures are not provided on the second spare electrodes, wherein the bonding material on the first initial electrodes is harder than the bonding material on the second spare electrodes.
    Type: Application
    Filed: July 14, 2022
    Publication date: January 26, 2023
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: KWANG-SEONG CHOI, Yong-Sung EOM, Jiho JOO, GWANG-MUN CHOI, Seok-Hwan MOON, Ho-Gyeong YUN, CHANMI LEE, Ki-Seok JANG
  • Publication number: 20230026817
    Abstract: The present disclosure relates to an apparatus and a method for controlling an LLC resonance converter. The apparatus includes a converter connected to an input terminal, including a plurality of switching elements constituting a bridge circuit, and enabling a topology change in the form of a full bridge and a half bridge; and a controller detecting a charge measurement value of a battery being charged with a power transferred by the converter, and changing a topology of the converter based on the charge measurement value. Since battery charging is performed by changing the topology of the converter in accordance with the charge measurement value of the battery, the LLC resonance converter can be controlled at an optimized frequency, the efficiency is increased, and cost savings can be achieved.
    Type: Application
    Filed: March 16, 2022
    Publication date: January 26, 2023
    Inventors: Min Seong Choi, In Yong Yeo, Dae Woo Lee, Jin Young Yang
  • Publication number: 20220402070
    Abstract: Provided are a laser control structure and a laser bonding method using the same, and more particularly, a laser bonding method including: forming bonding portions on a substrate; providing a bonding object onto the bonding portions; providing a laser control structure onto the bonding object or the substrate; irradiating a laser toward the bonding object and the bonding portions; controlling quantity of laser light absorbed through the laser control structure; using the controlled quantity of laser light to heat the bonding portions and the bonding object to a bonding temperature; and bonding the bonding portions and the bonding object, wherein the laser control structure includes: a first substrate including a first region and a second region; a first thin film laminate on the first region; and a second thin film laminate on the second region, wherein: the first thin film laminate includes at least one first thin film layer and at least one second thin film layer, which are laminated on the first region; th
    Type: Application
    Filed: June 17, 2022
    Publication date: December 22, 2022
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Ki Seok JANG, Yong Sung EOM, GWANG-MUN CHOI, KWANG-SEONG CHOI, Jiho JOO, Seok-Hwan MOON, CHANMI LEE
  • Publication number: 20220384674
    Abstract: Provided is a method for manufacturing an electronic device. The method for manufacturing the electronic device includes mapping good elements and defective elements on a substrate, providing a first transparent structure including a first adhesive layer on the substrate, selectively providing first laser light to the defective elements to cure the first adhesive layer on the defective elements and separate the defective elements from the substrate, providing a second transparent structure including a second adhesive layer, which adheres to new elements replaced for the defective elements, on the substrate, and selectively providing second laser light to the new elements to bond the new elements to the substrate.
    Type: Application
    Filed: May 31, 2022
    Publication date: December 1, 2022
    Inventors: Jiho JOO, Yong Sung EOM, Kwang-Seong CHOI, Chanmi LEE, Gwang-Mun CHOI, Ki Seok JANG, Seok-Hwan MOON, Ho-Gyeong YUN