Patents by Inventor In Jun Choi

In Jun 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).

  • Endoscopic reflection microscope using optical fiber bundle and image acquisition method using the same
    Patent number: 11785348
    Abstract: Disclosed are an endoscopic reflection microscope using an optical fiber bundle and an image acquisition method using the same. The endoscopic reflection microscope includes an incident wave output unit configured to output an incident wave to a target object through any one optical fiber in an optical fiber bundle, a reflected wave receiver configured to receive a reflected wave output from the target object in response to the incident wave through a plurality of corresponding optical fibers in the optical fiber bundle, and an image acquirer configured to establish a reflection matrix corresponding to the reflected wave and to acquire an image in which at least one of phase retardation of the incident wave or phase retardation of the reflected wave is compensated for based on the established reflection matrix.
    Type: Grant
    Filed: September 24, 2021
    Date of Patent: October 10, 2023
    Assignees: Korea University Research and Business Foundation, Institute for Basic Science
    Inventors: Won Shik Choi, Won Jun Choi, Mun Kyu Kang
  • DEVICE FOR PERFORATING SECONDARY BATTERY AND SYSTEM INCLUDING THE SAME
    Publication number: 20230311179
    Abstract: A perforation device is disclosed. The perforation device perforating a battery module includes a loading unit configured to convey and load the battery module in a longitudinal direction, a fixing unit configured to fix the battery module, and a perforation unit configured to approach the battery module and perforate the battery module. When the perforation unit approaches the battery module, the fixing unit contacts the battery module on an opposite side of the perforation unit with respect to the battery module and suppresses a movement of the battery module.
    Type: Application
    Filed: March 30, 2023
    Publication date: October 5, 2023
    Inventors: Soo Yong JEON, Jeong Hee YOO, Seung Jun CHOI
  • Display device
    Patent number: 11775016
    Abstract: A display device is provided. A display device according to an embodiment of the present invention comprises a body, a moving plate, a bracket, a rack, an actuator and a driving gear. The bracket, rack, actuator and driving gear are coupled to one another to form a driving module, and the bracket comprises a moving guide, an upper cover and a heat dissipation fin. According to an embodiment of the present invention, the display device can be manufactured in which the moving plate can move reciprocatively in a stable manner with respect to the body, the heat dissipation of the actuator can be effectively performed, and the thickness and size of the driving module can be minimized.
    Type: Grant
    Filed: July 19, 2019
    Date of Patent: October 3, 2023
    Assignee: LG ELECTRONICS INC.
    Inventors: Dong Jun Choi, Hang Seok Kim, Min Chul Shin, Gil Jae Lee
  • Constant velocity joint for vehicle
    Patent number: 11773912
    Abstract: A constant velocity joint for a vehicle. The constant velocity joint includes: an axle housing fixed to a knuckle by a hub bearing, and a joint assembly inserted into the axle housing to transmit power from a shaft to the axle housing through a plurality of joint balls. In particular, the axle housing includes an extension portion which is extended from an end portion of the axle housing in a radial direction of the axle housing, and the extension portion provides a pressing force to an inner race of the hub bearing in an axial direction of the axle housing. The constant velocity joint further includes a boot surrounding an outer side of the extension portion and coupled to the extension portion so as to form a restraining force between the extension portion and the boot in the axial direction.
    Type: Grant
    Filed: March 1, 2021
    Date of Patent: October 3, 2023
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, HYUNDAI WIA Corporation
    Inventors: Sung Su Yoo, Won Jun Choi, Hee Il Kim, Chang Hee Jeong, Yeong Wook Cho, Bum Jae Lee
  • TENT FRAME WITH MINIMIZED SIZE WHEN FOLDED
    Publication number: 20230295951
    Abstract: A tent frame includes extension poles, first connectors and supporting poles. For each respective extension pole, the corresponding first connector includes a first coupling member and a second coupling member facing away from a central axis of the tent frame. The corresponding supporting pole has an upper end connected to the first coupling member of the corresponding first connector and the respective extension pole has an end pivotally connected to the second coupling member of the corresponding first connector. At least a first portion of the corresponding supporting pole has a first surface that is substantially flat and faces away from the central axis of the tent frame. When the frame is folded, the respective extension pole is folded onto the first surface of the corresponding supporting pole, and thus minimizes a size of the tent frame when folded.
    Type: Application
    Filed: March 15, 2023
    Publication date: September 21, 2023
    Inventor: Kwan Jun Choi
  • MOLTEN SALT-METAL REACTOR FOR IMPLEMENTING MICRO-REACTOR
    Publication number: 20230298773
    Abstract: The present invention relates to a molten salt-metal reactor for implementing a micro-reactor, and more specifically, to a molten salt-metal reactor including a liquid metal nuclear fuel and a molten salt coolant, wherein the molten salt coolant is disposed in an upper portion of the liquid metal nuclear fuel such that the heat generated from the nuclear fuel is transferred to the molten salt coolant and cooled.
    Type: Application
    Filed: July 13, 2022
    Publication date: September 21, 2023
    Applicants: Korea Advanced Institute of Science and Technology, IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
    Inventors: Yong Hee KIM, Sung Joong KIM, Won Jun CHOI, Juhyeong LEE, Seongdong JANG, Taesuk OH, Eunhyug LEE
  • MEMORY DEVICE, OPERATING METHOD OF THE MEMORY DEVICE AND MEMORY SYSTEM COMPRISING THE MEMORY DEVICE
    Publication number: 20230298645
    Abstract: A memory device in which reliability of a clock signal is improved is provided. The memory device comprises a data module including a clock signal generator configured to receive an internal clock signal from a buffer, and to generate a first internal clock signal, a second internal clock signal, a third internal clock signal, and a fourth internal clock signal having different phases, on the basis of the internal clock signal, and a first data signal generator configured to generate a first data signal on the basis of first data and the first internal clock signal, generate a second data signal on the basis of second data and the second internal clock signal, generate a third data signal on the basis of third data and the third internal clock signal, and generate a fourth data signal on the basis of fourth data and the fourth internal clock signal.
    Type: Application
    Filed: May 25, 2023
    Publication date: September 21, 2023
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hyeok Jun CHOI, Young Chul CHO, Seung Jin PARK, Jae Woo PARK, Young Don CHOI, Jung Hwan CHOI
  • Coil component
    Patent number: 11763978
    Abstract: A coil component may include a body having one surface and the other surface facing each other; a wound coil embedded in the body; a first lead frame and a second lead frame, embedded in the body and each having one surface exposed to the one surface of the body to be spaced apart from each other; and a connection portion connecting at least one of the first and second lead frames and at least one end portion of the wound coil.
    Type: Grant
    Filed: August 5, 2019
    Date of Patent: September 19, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD
    Inventors: Ju Hwan Yang, Tae Jun Choi, Byung Soo Kang, Woo Chui Shin, Byeong Cheol Moon
  • DISPLAY SYSTEM FOR CONSTRUCTION MACHINE
    Publication number: 20230287659
    Abstract: An aspect of the present disclosure provides a display system for construction machine including a lower traveling body, an upper rotating body rotatably mounted with respect to the lower traveling body, and a work machine mounted on the upper rotating body, wherein the display system includes an obstacle detecting system for detecting an obstacle near the construction machine and generating information on the obstacle; and a display unit for displaying information generated by the obstacle detecting system.
    Type: Application
    Filed: March 7, 2023
    Publication date: September 14, 2023
    Inventors: Yu Jun CHOI, Myung Hoon LEE, Ji Hyuck LEE
  • CASE FOR LITHIUM METAL SECONDARY BATTERY, LITHIUM METAL SECONDARY BATTERY COMPRISING SAME, METHOD FOR MANUFACTURING SAME
    Publication number: 20230290997
    Abstract: Provided is a casing for a lithium metal secondary battery including: a battery casing material; at least one releasable capsule attached at least partially or totally to the inner surface of the casing material to cover the inner surface of the casing material; and a release solution supported in the releasable capsule, wherein the releasable capsule includes a capsule coating film and a capsule inner space surrounded with the capsule coating film, the release solution is supported in the capsule inner space, and the release solution includes a release agent and a solvent. A lithium metal secondary battery including the casing and a method for manufacturing the same are also provided. It is possible to increase releasability of the negative electrode in a lithium metal secondary battery and to improve nail safety by using the releasable capsule according to the present disclosure.
    Type: Application
    Filed: May 17, 2023
    Publication date: September 14, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Hyun-Woong YUN, Jong-Keon YOON, Hyun-Jun CHOI
  • Image sensor device
    Patent number: 11756968
    Abstract: An image sensor device including: a first digital pixel including a first photodetector and first memory cells to store a first digital signal corresponding to a first output from the first photodetector; and a second digital pixel including a second photodetector and second memory cells to store a second digital signal corresponding to a second output from the second photodetector, the second digital pixel is adjacent to one side of the first digital pixel, the first memory cells and the second memory cells are connected with a plurality of bit lines, the first memory cells are connected with a first word line and a third word line, the second memory cells are connected with a second word line and a fourth word line, the second word line is between the first and third word lines, and the third word line is between the second and fourth word lines.
    Type: Grant
    Filed: May 25, 2020
    Date of Patent: September 12, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seoksan Kim, Minwoong Seo, Myunglae Chu, Jong-Yeon Lee, Min-Jun Choi
  • Display device and method of driving the same
    Patent number: 11756488
    Abstract: A display device includes an oscillator which generates a reference clock signal having a frequency corresponding to frequency information provided from an external device, a register which stores a signal parameter for the reference clock signal, and the signal parameter indicates the number of pulses of the reference clock signal included in one horizontal time, a data driver which applies data signals to data lines connected to pixels based on the one horizontal time, and a controller which changes the signal parameter based on a change in the frequency of the reference clock signal in a way such that the one horizontal time is maintained substantially constant.
    Type: Grant
    Filed: August 13, 2021
    Date of Patent: September 12, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang Kuk Kim, Deok Jun Choi, Ji Hyun Kim
  • THREE DIMENSIONAL FLASH MEMORY FOR IMPROVING LEAKAGE CURRENT
    Publication number: 20230284448
    Abstract: A three-dimensional flash memory for improving leakage current and a substrate are disclosed. The three-dimensional flash memory comprises: a string extending in one direction on the substrate, wherein the string includes a channel layer extending in the one direction and a charge storage layer extending in the one direction so as to surround the channel layer; at least one selection line vertically connected to an upper end or a lower end of the string; and a plurality of word lines positioned above or below the at least one selection line and vertically connected to the string, wherein the channel layer is formed of an oxide semiconductor material.
    Type: Application
    Filed: May 4, 2021
    Publication date: September 7, 2023
    Applicant: (IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Yun Heub SONG, Bongseok KIM, Jaemin SIM, Sun Jun CHOI
  • Dry cleaning apparatus and dry cleaning method
    Patent number: 11742221
    Abstract: A dry cleaning apparatus includes a chamber, a substrate support supporting a substrate within the chamber, a shower head arranged in an upper portion of the chamber to supply a dry cleaning gas toward the substrate, the shower head including an optical window transmitting a laser light therethrough toward the substrate support, a plasma generator generating plasma from the dry cleaning gas, and a laser irradiator irradiating the laser light on the substrate through the optical window and the plasma to heat the substrate.
    Type: Grant
    Filed: July 15, 2021
    Date of Patent: August 29, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung-Min Shin, Seok-Hoon Kim, Young-Hoo Kim, In-Gi Kim, Tae-Hong Kim, Sung-Hyun Park, Jin-Woo Lee, Ji-Hoon Cha, Yong-Jun Choi
  • BASE STATION DEVICE AND METHOD FOR OPERATING BASE STATION DEVICE
    Publication number: 20230269575
    Abstract: The present disclosure is to implement a technique (scheme) of guaranteeing the mobility of an application server that enables a user equipment (UE) to seamlessly use a data service in real time even when the application server is changed.
    Type: Application
    Filed: June 29, 2021
    Publication date: August 24, 2023
    Inventors: Dong Jin LEE, Seong Jun LEE, Hyun Jun CHOI
  • Method and apparatus for treating exhaust gas
    Patent number: 11731079
    Abstract: The present disclosure relates to a method for treating exhaust gas including a plasma reaction operation of reacting exhaust gas containing a volatile organic compound (VOC) with low-temperature plasma to generate exhaust gas containing a VOC-derived intermediate, and a combustion operation of combusting the exhaust gas containing the VOC-derived intermediate to produce carbon dioxide and water.
    Type: Grant
    Filed: April 7, 2022
    Date of Patent: August 22, 2023
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Kyoung Hye Kim, Su Han Kim, Hyun Woo Kang, Jun Choi
  • Smartphone antenna in flexible PCB
    Patent number: 11728564
    Abstract: A thin, flexible antenna module is provided for use in a smartphone. When the antenna module is assembled in the smartphone, the antenna module provides an MST antenna and an NEC antenna. For this, the antenna module includes a flexible PCB containing coils and further includes a magnetic sheet engaged with flexible PCB. The flexible PCB and the magnetic sheet are attached to each other to form a single body.
    Type: Grant
    Filed: September 28, 2022
    Date of Patent: August 15, 2023
    Assignee: AQ CORPORATION
    Inventors: Sang Hoon Lee, Kyoung Jun Choi, Sae Rom Lee
  • Camera module test apparatus, camera module test method and image generating device
    Patent number: 11729374
    Abstract: A camera module test apparatus having improved performance include a coefficient data extractor that accommodates a camera module; and a test apparatus that accommodates the camera module and tests the camera module. The coefficient data extractor includes a coefficient generator that receives an image signal output from the camera module, and generates coefficient data of a ratio of a first color image signal and a second color image signal included in the image signal; and a memory device that stores the generated coefficient data. The test apparatus includes an image generator that receives an image signal from the camera module and coefficient data from the memory device, and generates a converted pattern image signal based on the image signal and the coefficient data; and a calibration data generator that generates calibration data of the converted pattern image signal.
    Type: Grant
    Filed: June 27, 2022
    Date of Patent: August 15, 2023
    Inventors: Deok Ha Shin, Eun Ji Jeong, Young Jun Choi
  • METHOD OF MANUFACTURING A SEMICONDUCTOR DEVICE
    Publication number: 20230253218
    Abstract: An apparatus is provided. The apparatus includes a spinner configured to hold a wafer, a nozzle configured to supply a liquid chemical onto an upper surface of the wafer, and a laser module configured to heat the wafer by radiating a laser beam to a lower surface of the wafer while the nozzle supplies the liquid chemical onto the upper surface of the wafer.
    Type: Application
    Filed: April 17, 2023
    Publication date: August 10, 2023
    Inventors: Ji Hoon CHA, Jinwoo LEE, Seok Hoon KIM, In Gi KIM, Seung Min SHIN, Yong Jun CHOI
  • WAFER CLEANING APPARATUS AND WAFER CLEANING METHOD USING THE SAME
    Publication number: 20230249230
    Abstract: A wafer cleaning apparatus is provided. The wafer cleaning apparatus includes comprising a chamber configured to be loaded with a wafer, a nozzle on the wafer and configured to provide liquid chemicals on an upper surface of the wafer, a housing under the wafer, a laser module configured to irradiate laser on the wafer, a transparent window disposed between the wafer and the laser module, and a controller configured to control on/off of the laser module, wherein the controller is configured to control repetition of turning the laser module on and off, and retain temperature of the wafer within a temperature range, and a ratio of time when the laser module is on in one cycle including on/off of the laser module is 30% to 50%.
    Type: Application
    Filed: April 12, 2023
    Publication date: August 10, 2023
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Seung Min SHIN, Hun Jae Jang, Seok Hoon Kim, Young-Hoo Kim, In Gi Kim, Tae-Hong Kim, Kun Tack Lee, Ji Hoon Cha, Yong Jun Choi