Patents by Inventor Jun Choi

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).

  • Publication number: 20230352813
    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 NFC 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: Application
    Filed: June 29, 2023
    Publication date: November 2, 2023
    Inventors: Sang Hoon LEE, Kyoung Jun CHOI, Sae Rom LEE
  • Publication number: 20230343613
    Abstract: A multi-chamber apparatus for processing a wafer, the apparatus including a high etch rate chamber to receive the wafer and to etch silicon nitride with a phosphoric acid solution; a rinse chamber to receive the wafer and to clean the wafer with an ammonia mixed solution; and a supercritical drying chamber to dry the wafer with a supercritical fluid.
    Type: Application
    Filed: June 26, 2023
    Publication date: October 26, 2023
    Inventors: Yong Jun CHOI, Seok Hoon KIM, Young-Hoo KIM, In Gi KIM, Sung Hyun PARK, Seung Min SHIN, Kun Tack LEE, Jinwoo LEE, Hun Jae JANG, Ji Hoon CHA
  • Patent number: 11800454
    Abstract: The present disclosure relates to a wireless battery management system which ensures stability when obtaining battery data through wireless communication. The battery management system includes a manager node operating a primary channel and a secondary channel based on wireless communication and obtaining battery data from a monitor node by using the primary channel or the secondary channel and a monitor node connected to a battery module to collect battery data including one or more of a current, a voltage, a temperature, and self-diagnosis data of the battery module, transmit the collected battery data to the manager node through the primary channel, and when the transmission of the battery data through the primary channel fails, transmit the battery data to the manager node through the secondary channel.
    Type: Grant
    Filed: April 19, 2022
    Date of Patent: October 24, 2023
    Assignee: SILICON WORKS CO., LTD.
    Inventors: Ju Pyo Hong, Ki Suk Cho, Heung Lyeol Lee, Kyu Ho Kim, Seung Jun Choi, Deog Soo Kim, Yong Ju Seon, Hee Jin Lee, Young Ho Seo, Jong Chan Kim
  • Publication number: 20230333174
    Abstract: An apparatus and method for diagnosing a state of a battery in various aspects based on a differential profile respectively obtained in a situation where the battery is charged and discharged. Since the state of the battery is diagnosed by considering both the first differential profile related to the charging of the battery and the second differential profile related to the discharging of the battery, there is an advantage of diagnosing the state of the battery more accurately.
    Type: Application
    Filed: April 29, 2021
    Publication date: October 19, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Hyun-Jun Choi, Young-Deok Kim, Dae-Soo Kim, Su-Won Jee
  • Publication number: 20230336692
    Abstract: An application processing method for providing a group video call and a terminal for performing a group video call are disclosed. The application processing method of providing a group video call may include executing a group video call comprising a plurality of participants, based on a number of the participants, displaying views corresponding to the participants by pagination, based on a predetermined action of a first participant whose view is not displayed on a predetermined page of a plurality of pages generated by the pagination, selecting one of participants whose view is displayed on the predetermined page as a second participant, and displaying the views by swapping a position of the view corresponding to the selected second participant and a position of the view corresponding to the first participant.
    Type: Application
    Filed: June 28, 2023
    Publication date: October 19, 2023
    Inventors: Hyung Jin KIM, Sung San KIM, Hyo Jin HAM, Tae Kyu KIM, Young Wuk SEO, Dae Nyeon KIM, Seog CHOI, Ji Ah LEE, Tae Jun CHOI, Taek Hoon KIM
  • Patent number: 11787171
    Abstract: An ink impact point correction apparatus for automatically measuring and correcting an impact point of ink using a pattern on a substrate, on which a coordinate system is displayed, and a substrate treating system including the same are provided. The ink impact point correction apparatus includes a recognition unit for acquiring information on the impact point of ink at a plurality of points located on a substrate; and a correction unit for correcting a position of an ink discharge point on the substrate based on the information on the impact point, wherein a coordinate pattern in the form of a coordinate system is formed at the plurality of points.
    Type: Grant
    Filed: June 3, 2021
    Date of Patent: October 17, 2023
    Assignee: Semes Co., Ltd.
    Inventors: Sung Ho Kim, Yoon Ok Jang, Hyun Min Lee, Jun Seok Lee, Kwang Jun Choi
  • Patent number: 11787231
    Abstract: A hub built-in type constant velocity joint may include a plurality of wheel guide coupling portions to which wheel guides are configured to be coupled, and a hub housing which is formed between the wheel guide coupling portions and in which a discharge portion is formed to be stepped with each of the wheel guide coupling portions and configured to discharge foreign materials to the outside.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: October 17, 2023
    Assignees: Hyundai Motor Company, Kia Motors Corporation, HYUNDAI WIA Corporation
    Inventors: Sung Su Yoo, Won Jun Choi, Hee Il Kim, Soo Kyoung Lee, Bum Jae Lee, Chang Hee Jeong
  • Publication number: 20230324326
    Abstract: The present invention relates to a nano-ligand for promoting cell adhesion and differentiation of stem cells and a method of promoting cell adhesion and differentiation of stem cells by using the nano-ligand, and the method of promoting cell adhesion and differentiation of stem cells according to the present invention may temporally and spatially, and reversibly control nano-ligand sliding by applying a magnetic field to a substrate including the nano-ligands, and efficiently control stem cell adhesion and differentiation ex vivo or in vivo through the magnetic-field based on spatiotemporal control.
    Type: Application
    Filed: June 21, 2023
    Publication date: October 12, 2023
    Applicant: Korea University Research and Business Foundation
    Inventors: Hee-Min KANG, Chandra Khatua, Gun-Hyu Bae, Hyo-Jun Choi, Sun-Hong Min
  • Publication number: 20230322665
    Abstract: A polythiol composition according to exemplary examples includes a tetrafunctional polythiol compound, and a sub-polythiol compound including a compound represented by C13H28S9 and a compound represented by C15H32S10. A ratio of the sub-polythiol compound measured through a high performance liquid chromatography (HPLC) analysis graph is 1% to 5%. By adjusting the content of the sub-polythiol compound, it is possible to manufacture an optical product having excellent transmittance and optical properties.
    Type: Application
    Filed: August 31, 2021
    Publication date: October 12, 2023
    Inventors: Jae Young PAI, Kyeong Hwan YOU, Jung Hwan MYUNG, Hyuk Hee HAN, Jeong Moo KIM, Eui Jun CHOI, Jung Hwan SHIN
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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