Patents by Inventor Yong-Joon Choi

Yong-Joon 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).

  • Patent number: 10446812
    Abstract: The present disclosure relates to a battery pack having improved assemblability, processability, and durability, and configured to stably maintain a stack of cartridges. According to an aspect of the present disclosure, the battery pack includes: vertically arranged secondary cells each including an electrode assembly, an electrolyte, and a pouch-type case; vertically stacked cartridges accommodating the secondary cells in inner spaces thereof and including coupling holes; a lower end plate including a plate-shaped metallic material and placed on a lower portion of a stack of the secondary cells and the cartridges; a first fastening member fixed to the lower end plate; and a second fastening member having an elongated shape so as to stand on the lower end plate in a direction perpendicular to the lower end plate, a lower end portion of the second fastening member coupled to the first fastening member, the second fastening member being inserted through coupling holes of the cartridges.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: October 15, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Ki-Youn Kim, Duck-Hee Moon, Jun-Yeob Seong, Sung-Chun Yu, Gang-U Lee, Jung-Hang Lee, Sang-Yoon Jeong, Yong-Joon Choi
  • Publication number: 20190310723
    Abstract: An electronic device is provided that includes a touch screen display; a pressure sensor; at least one processor configured to receive a user input for performing a function for a selected period of time after execution of at least one application program, to detect a pressure regarding the touch screen display for the selected period of time using the pressure sensor, and to execute at least one selected from pausing the execution of the function, resuming the same, and restarting the same at least partially on the basis of the detected pressure when a selected pressure level is detected by the pressure sensor for the selected period of time.
    Type: Application
    Filed: September 14, 2017
    Publication date: October 10, 2019
    Inventors: Doo-Suk KANG, Geon-Soo KIM, Kyu-Hong KIM, Bo-Kun CHOI, So-Young KIM, Yo-Han LEE, Seung-Min CHOI, Jong-Wu BAEK, Yong-Joon JEON
  • Publication number: 20190312319
    Abstract: Disclosed is a cartridge for battery cells, which includes: an upper cooling plate and a lower cooling plate having a plate shape and spaced to face each other, a cooling channel is formed between the upper cooling plate and the lower cooling plate; a main frame surrounding an outer circumference of the upper cooling plate and an outer circumference of the lower cooling plate with battery cells placed on an upper portion and a lower portion of the main frame; and a support portion disposed at the cooling channel and having at least one support rib protruding in at least one of an upper direction and a lower direction, the at least one support rib supporting the upper cooling plate and the lower cooling plate.
    Type: Application
    Filed: July 5, 2018
    Publication date: October 10, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Yong-Joon CHOI, Hwa-Joong KIM, Jun-Yeob SEONG, Sung-Chun YU
  • Publication number: 20190305184
    Abstract: A light emitting device can include a sapphire substrate; a first conductivity type semiconductor layer disposed on the sapphire substrate; an active layer disposed on the first conductivity type semiconductor layer; a plurality of p-type conductors disposed on the active layer, and separated from each other; a first pad disposed on the first conductivity type semiconductor layer; and a second pad disposed on the plurality of p-type conductors, in which the plurality of p-type conductors are arranged in a first direction, the second pad is spaced apart from the first pad in a second direction, the second direction is perpendicular to the first direction, each of the plurality of p-type conductors has a first width in the first direction and a second width in the second direction, the first width being less than the second width, the plurality of p-type conductors are evenly spaced apart by a first distance in the first direction, and the first distance being less than the first width of each of the plurality
    Type: Application
    Filed: June 18, 2019
    Publication date: October 3, 2019
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Yong Gyeong LEE, Min Sung KIM, Su Ik PARK, Youn Joon SUNG, Kwang Yong CHOI
  • Patent number: 10403876
    Abstract: Disclosed are an electrode lead connecting structure capable of simplifying an assembly process of busbars by integrating sensing and electrode busbars, and of minimizing worker's mistakes during the assembly process by almost horizontally arranging busbars on a printed circuit board for each level, a battery module including the electrode lead connecting structure, and a battery pack including the battery module. An electrode lead connecting structure according to the present disclosure includes a printed circuit board, first and second electrode-integrated sensing busbars provided at a lowest level of one side edge of the printed circuit board and at a highest level of an opposite side edge of the printed circuit board, respectively, a first sensing busbar group located on the first L-shaped end strip busbar at the one side edge, and a second sensing busbar group located under the second L-shaped end strip busbar at the opposite side edge.
    Type: Grant
    Filed: July 11, 2016
    Date of Patent: September 3, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Yong-Joon Choi, Ki-Youn Kim, Duck-Hee Moon, Jun-Yeob Seong, Sung-Chun Yu, Gang-U Lee, Jung-Hang Lee, Sang-Yoon Jeong
  • Patent number: 10394328
    Abstract: An electronic device is provided. The electronic device outputs a user interface (UI) including at least one object, receives a pressure input of a specified level or more for selecting the object, verifies information associated with an object selected by the pressure input, outputs vibration feedback of a first frequency or first amplitude if the information associated with the object is less than a first criterion, and outputs vibration feedback of a second frequency relatively lower than the first frequency or second amplitude higher than the first amplitude if the information associated with the object is greater than or equal to the first criterion.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: August 27, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Doo Suk Kang, Yo Han Lee, Yong Joon Jeon, Bo Kun Choi, Jeong Seok Lee
  • Patent number: 10386024
    Abstract: A wavelength conversion member includes: a first wavelength converter containing a first wavelength converting material; a second wavelength converter containing a second wavelength converting material different from the first wavelength converting material; a first container member providing a space for accommodating the first wavelength converter; and a second container member facing the first container member and providing a space for accommodating the second wavelength converter. The first container member and the second container member may be at least partially fusion-bonded with each other.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: August 20, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Si Joon Song, Yong Hoon Kwon, Won Jin Kim, Woo Suk Seo, Young Hye Son, Kwang Wook Choi
  • Publication number: 20190204868
    Abstract: An electronic device according to various embodiments comprises: a touch screen display; a pressure sensor configured to detect pressure on the touch screen display; a wireless communication circuit configured to transmit and receive a wireless signal; at least one processor electrically connected to the touch screen display, the pressure sensor, and the wireless communication circuit; and a memory electrically connected to the processor, wherein the memory may store instructions which cause the processor, when executed, to: display, on the touch screen display, at least one answer message for a message received via the wireless communication circuit; receive at least one input via the touch screen display; and change the at least one answer message on the basis of at least one of an intensity or a duration of pressure of the received input. Other embodiments are possible.
    Type: Application
    Filed: August 25, 2017
    Publication date: July 4, 2019
    Inventors: Bo-Kun CHOI, Yong-Joon JEON, Geon-Soo KIM
  • Publication number: 20190189979
    Abstract: The present disclosure provides a battery module capable of stably maintaining contact of electrode leads while having a simple structure and high assemblability.
    Type: Application
    Filed: January 26, 2017
    Publication date: June 20, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Yong-Joon CHOI, Tae-Young KANG, Do-Hyeon KIM, Hwa-Joong KIM, Duck-Hee MOON, Jun-Yeob SEONG, Sung-Chun YU
  • Publication number: 20190190020
    Abstract: The present invention relates to a method for producing silicon-based active material particles for a secondary battery and silicon-based active material particles. A method for producing silicon-based active material particles for a secondary battery according to an embodiment of the present invention may comprise: a step of providing silicon powder; a step of providing a pre-pulverization mixture in which the silicon powder is dispersed in a solvent for dispersion comprising an antioxidant; a step of applying mechanical compression and shear stress to the silicon powder of the pre-pulverization mixture to refine the silicon powder, thereby forming silicon particles having an oxygen content controlled by the antioxidant; and a step of drying the resulting material comprising the silicon particles to obtain silicon-based active material particles.
    Type: Application
    Filed: August 23, 2017
    Publication date: June 20, 2019
    Applicant: NEXEON LTD.
    Inventors: Seung Chul Park, Eui Joon Song, Min Young Cheong, Jong Hun Lee, Young Tai Cho, Yong Gil Choi, Seon Park, Sung Hwan Kang, Hee Young Seo, Jee Hye Park, Tae Jin Yang
  • Publication number: 20190182515
    Abstract: Disclosed herein are an apparatus and method for providing a broadcasting service. The method for providing a broadcasting service is performed using a broadcasting service provision apparatus and a terminal device, and includes performing, by the broadcasting service provision apparatus and the terminal device, initialization using information acquired from a downstream signal received from a Cable Modem Termination System (CMTS), converting, by the terminal device, an upstream signal received from a Cable Modem (CM) into a digital signal, encapsulating the digital signal into an IP packet, and transmitting the IP packet to the broadcasting service provision apparatus, and extracting, by the broadcasting service provision apparatus, the digital signal from the IP packet received from the terminal device, converting the digital signal into an analog signal, and transmitting an upstream signal corresponding to the analog signal to the CMTS.
    Type: Application
    Filed: November 14, 2018
    Publication date: June 13, 2019
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Tae-Kyoon Kim, Dong-Joon Choi, Eun-Hee Hyun, Yong-Seong Cho, Joon-Young Jung, Heung-Mook Kim
  • Publication number: 20190174200
    Abstract: Disclosed herein are a method for providing an ad-hoc broadcast service based on channel sharing and an apparatus for the same. The method is configured such that a master broadcast transmitter for providing an ad-hoc broadcast service receives a request to share a channel from a new broadcast transmitter, allocates one of multiple subframes, into which the transmission frame of any one broadcast channel corresponding to the ad-hoc broadcast service is divided, to the new broadcast transmitter, and controls the new broadcast transmitter in real time by performing synchronization with the new broadcast transmitter based on reference time information included in a control Physical Layer Pipe (PLP).
    Type: Application
    Filed: December 5, 2018
    Publication date: June 6, 2019
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Dong-Joon CHOI, Heung-Mook KIM, Sung-Ik PARK, Joon-Young JUNG, Yong-Seong CHO
  • Patent number: 10306263
    Abstract: A method and apparatus for decoding a video signal are disclosed. A method for decoding a video signal includes obtaining block type information of a current block, confirming a prediction mode of the current block based on the block type information, obtaining, if the prediction mode of the current block is an intra prediction mode according to the prediction mode, at least one correlation parameter information using at least one neighboring pixel of the current block, obtaining an intra prediction value of the current block using the correlation parameter information, and reconstructing the current block using the intra prediction value of the current block.
    Type: Grant
    Filed: February 24, 2017
    Date of Patent: May 28, 2019
    Assignee: LG Electronics Inc.
    Inventors: Jae Won Sung, Seung Wook Park, Yong Joon Jeon, Jung Sun Kim, Young Hee Choi, Byeong Moon Jeon, Joon Young Park
  • Patent number: 10304847
    Abstract: A vertical memory device includes a substrate, a plurality of channels on the substrate and extending in a first direction that is vertical to a top surface of the substrate, a plurality of gate lines stacked on top of each other on the substrate, a plurality of wiring over the gate lines and electrically connected to the gate lines, and an identification pattern on the substrate at the same level as a level of at least one of the wirings. The gate lines surround the channels. The gate lines are spaced apart from each other along the first direction.
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: May 28, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung-Min Lee, Hoo-Sung Cho, Jeong-Seok Nam, Jong-Min Lee, Yong-Joon Choi
  • Publication number: 20190155470
    Abstract: An electronic device includes a short range communication module configured to establish a communication channel for collecting device-related information on at least one other electronic device. The electronic device also includes a communication module configured to establish a communication channel with a service supporting device. The electronic device also includes a control module configured to transmit a message requesting function-related information installable or updatable on the other electronic device to the service supporting device in correspondence to the device-related information and configured to control transmitting identification information for receiving the function-related information and the device-related information.
    Type: Application
    Filed: January 21, 2019
    Publication date: May 23, 2019
    Inventors: Bo Kun Choi, Doo Suk Kang, Geon Soo Kim, Dong Hyun Yeom, Pil Joo Yoon, Yong Joon Jeon
  • Patent number: 10297801
    Abstract: The present disclosure relates to a battery pack having improved assemblability, processability, and productivity, and configured to reduce manufacturing costs and enhance the scalability and durability of a pack case. The battery pack includes: a cell assembly including a plurality of secondary cells and a plurality of cartridges, the cartridges being configured to be stacked on one another and to accommodate the secondary cells while surrounding outer circumferential portions of the secondary cells from outsides of the secondary cells; a lower housing having an empty inner space to accommodate the cell assembly in the inner space, the lower housing being opened on an upper side thereof; a lower end plate including a plate-shaped metallic material and placed in surface contact with a lower surface of the lower housing; and a lower cover placed on a lower portion of the lower end plate to cover the lower end plate, the lower cover being fixedly coupled to the lower housing.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: May 21, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Ki-Youn Kim, Duck-Hee Moon, Jun-Yeob Seong, Sung-Chun Yu, Gang-U Lee, Jung-Hang Lee, Sang-Yoon Jeong, Yong-Joon Choi
  • Publication number: 20190051875
    Abstract: Disclosed is a battery pack for a vehicle, which includes a pack case forming an appearance of the battery pack, a static electricity inducing pattern forming a conductor pattern of a predetermined form on a BMS circuit board provided in the pack case and a discharge terminal connected to the static electricity inducing pattern, and a cable connector for both communicating and grounding, which is composed of a pack connector having a first connection portion configured to be connected to a data transmission terminal on the BMS circuit board and a second connection portion configured to be connected to the discharge terminal, and a vehicle connector connected to the pack connector by a harness cable and installed to the pack case to be exposed out through a connector mounting hole formed through the pack case.
    Type: Application
    Filed: September 20, 2017
    Publication date: February 14, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Yong-Joon CHOI, Do-Hyeon KIM, Hwa-Joong KIM, Jun-Yeob SEONG, Sung-Chun YU
  • Publication number: 20180358646
    Abstract: A cartridge for a secondary battery includes a cooling channel in which an upper cooling plate and a lower cooling plate are respectively coupled to an upper rim and a lower rim of a ring-shaped main frame having a hollow central area to face each other, the cooling channel being formed in a space between the upper cooling plate and the lower cooling plate, and the main frame includes an opening configured to form an inlet and an outlet of the cooling channel by passing through the main frame in a lateral direction, the opening having an edge area chamfered such that a diameter thereof expands in an outward direction.
    Type: Application
    Filed: February 9, 2017
    Publication date: December 13, 2018
    Applicant: LG CHEM, LTD.
    Inventors: Sung-Chun YU, Tae-Young KANG, Yong-Joon CHOI
  • Publication number: 20180309100
    Abstract: Provided are a battery module and a battery pack including the same. The battery module includes: a cartridge assembly in which a plurality of cartridges, each accommodating a battery cell, are stacked on each other; a cover surrounding the cartridge assembly; a bushing member inserted through the cartridge assembly and the cover, and protruding to the outside of the cover by a pre-set interval; and a locking member inserted into the bushing member and locking the cover.
    Type: Application
    Filed: October 24, 2016
    Publication date: October 25, 2018
    Applicant: LG CHEM, LTD.
    Inventors: Hwa-Joong KIM, Tae-Young KANG, Jun-Yeob SEONG, Sung-Chun YU, Yong-Joon CHOI
  • Publication number: 20180301674
    Abstract: A cartridge for secondary batteries, according to the present disclosure, includes a main frame including at least four unit frames connected to each other at ends thereof to provide a cavity inside the four unit frames, wherein at least some of the unit frames have openings penetrating therethrough in a horizontal direction and two or more main frames are configured to be vertically stackable on one another, an upper cooling plate having a plate shape, including an upper bonding portion serving as edges and boned to the main frame, and arranged to cover the cavity, and a lower cooling plate having a plate shape, including a lower bonding portion serving as edges and boned to the main frame, and spaced apart from the upper cooling plate by a predetermined distance to face the upper cooling plate and generating a cooling channel between the upper and lower cooling plates.
    Type: Application
    Filed: September 28, 2016
    Publication date: October 18, 2018
    Applicant: LG CHEM, LTD.
    Inventors: Gang-U LEE, Jun-Yeob SEONG, Sung-Chun YU, Yong-Joon CHOI