Patents by Inventor Ji Cheol Lee

Ji Cheol Lee 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: 20240128510
    Abstract: The present invention relates to a novel electrolyte and a secondary battery including the same. The present invention has an effect of providing a secondary battery having improved charging efficiency and output due to reduced charging resistance and having excellent long-term lifespan and high-temperature capacity retention rate.
    Type: Application
    Filed: December 24, 2021
    Publication date: April 18, 2024
    Inventors: Ji Young CHOI, Min Goo KIM, Sang Ho LEE, Wan Chul KANG, Jong Cheol YUN, Ji Seong HAN, Min Jung JANG
  • Publication number: 20240118028
    Abstract: An infrared heat source module is configured to minimize problems such as wrinkles or cracks in electrodes even if the patterns of a coated part and an uncoated part of the electrodes present in a current collector vary. The module improves a drying efficiency of the coated part of the current collector. An electrode using the infrared heat source module is manufactured by a process.
    Type: Application
    Filed: January 27, 2022
    Publication date: April 11, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Soon Sik Choi, Young Kuk Ko, Oh Cheol Kwon, Ji Hwan Kim, Jeong Won Lee
  • Publication number: 20240105991
    Abstract: The present invention relates to an electrolyte solution and a secondary battery including the same. According to the present invention, the present invention has an effect of providing a secondary battery having improved charging efficiency and output due to low discharge resistance and having a long lifespan and excellent high-temperature capacity retention by suppressing gas generation and increase in thickness.
    Type: Application
    Filed: January 21, 2022
    Publication date: March 28, 2024
    Inventors: Min Jung JANG, Min Goo KIM, Young Rok LIM, Ji Young CHOI, Sang Ho LEE, Wan Chul KANG, Jong Cheol YUN, Ji Seong HAN, Hee Jeong RYU, Jae Won CHUNG
  • Publication number: 20240105938
    Abstract: A cathode active material for a lithium secondary battery according to an embodiment of the present disclosure includes first lithium metal phosphate particles, each first lithium metal phosphate particle having a secondary particle shape formed by aggregation of primary particles and having an average particle diameter (D50) in a range from 5 ?m to 10 ?m, second lithium metal phosphate particles, each having a single particle and having an average particle diameter in a range from 1 ?m to 3 ?m, and third lithium metal phosphate particles, each having a single particle shape and having an average particle diameter less than 1 ?m.
    Type: Application
    Filed: March 24, 2023
    Publication date: March 28, 2024
    Inventors: Min Suk KANG, Ji Yae DO, Min Cheol BEAK, Sang Wook LEE, Yong Hyun CHO
  • Publication number: 20240097190
    Abstract: The present invention relates to an electrolyte solution and a secondary battery including the same. According to the present invention, the present invention has an effect of providing a secondary battery having improved charging efficiency and output due to low discharge resistance and having a long lifespan and excellent high-temperature capacity retention by suppressing gas generation and increase in thickness.
    Type: Application
    Filed: January 21, 2022
    Publication date: March 21, 2024
    Inventors: Min Jung JANG, Min Goo KIM, Young Rok LIM, Ji Young CHOI, Sang Ho LEE, Wan Chul KANG, Jong Cheol YUN, Ji Seong HAN, Hee Jeong RYU, Jae Won CHUNG
  • Publication number: 20240097188
    Abstract: The present invention relates to an electrolyte solution and a secondary battery including the same. According to the present invention, the present invention has an effect of providing a secondary battery having improved charging efficiency and output due to low discharge resistance and having a long lifespan and excellent high-temperature capacity retention by suppressing gas generation and increase in thickness.
    Type: Application
    Filed: January 21, 2022
    Publication date: March 21, 2024
    Inventors: Min Jung JANG, Min Goo KIM, Young Rok LIM, Ji Young CHOI, Sang Ho LEE, Wan Chul KANG, Jong Cheol YUN, Ji Seong HAN, Hee Jeong RYU, Jae Won CHUNG
  • Publication number: 20240097189
    Abstract: The present invention relates to an electrolyte solution and a secondary battery including the same. According to the present invention, the present invention has an effect of providing a secondary battery having improved charging efficiency and output due to low discharge resistance and having a long lifespan and excellent high-temperature capacity retention by suppressing gas generation and increase in thickness.
    Type: Application
    Filed: January 21, 2022
    Publication date: March 21, 2024
    Inventors: Min Jung JANG, Min Goo KIM, Young Rok LIM, Ji Young CHOI, Sang Ho LEE, Wan Chul KANG, Jong Cheol YUN, Ji Seong HAN, Hee Jeong RYU, Jae Won CHUNG
  • Patent number: 11936318
    Abstract: Charging system and method using a motor driving system are proposed. The charging system includes a battery, an inverter to which D.C. power stored in the battery is applied, including a plurality of legs each including two switching elements, a motor including a plurality of coils of which first ends are respectively connected to connection nodes of the switching elements of each of the plurality of legs, and second ends are connected to each other to form a neutral point, and an inverter driving part configured to control switching of the switching elements, so that switching speeds of the switching elements are different for each mode of a motor driving mode and a charging mode so as to change magnitude of charging voltage supplied to the neutral point of the motor and to output the charging voltage to the battery.
    Type: Grant
    Filed: June 1, 2022
    Date of Patent: March 19, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Ji Woong Jang, Sang Cheol Shin, Yoo Jong Lee, Ki Jong Lee, Ho Tae Chun
  • Publication number: 20240079642
    Abstract: The present invention relates to a method for preparing an alkali metal ion conductive chalcogenide-based solid electrolyte, a solid electrolyte prepared thereby, and an all-solid-state battery comprising the same.
    Type: Application
    Filed: January 11, 2022
    Publication date: March 7, 2024
    Applicant: KOREA ELECTROTECHNOLOGY RESEARCH INSTITUTE
    Inventors: Yoon Cheol HA, Sang Min LEE, Byung Gon KIM, Gum Jae PARK, Jun Woo PARK, Jun Ho PARK, Ji Hyun YU, Won Jae LEE, You Jin LEE, Hae Young CHOI
  • Patent number: 11477633
    Abstract: A method and an apparatus for providing, setting, maintaining, and releasing a packet data network (PDN) connection on the basis of a local area in a wireless communication system are provided. The method includes receiving the PDN subscription information on the basis of the local area from a business operator server, inspecting whether the current location information for the terminal exists in the PDN subscription information on the basis of the local area, and starting a procedure for setting the PDN on the basis of the local area when the current location information exists therein.
    Type: Grant
    Filed: April 30, 2020
    Date of Patent: October 18, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ji-Cheol Lee, Song-Yean Cho, Sung-Ho Choi
  • Publication number: 20220104313
    Abstract: A 5G or pre-5G communication system is provided to support higher data transmission rates after 4G communication systems such as LTE. To support communication of a terminal that dually accesses a first radio access technology (RAT) communication system and a second RAT communication system, a session generation request message for transmitting traffic is received from a terminal. A target communication system that is to generate a data path with respect to the traffic from the first RAT communication system and the second RAT communication system is determined, the data path for the target communication system is configured, and information about the configured data path is transmitted to the terminal.
    Type: Application
    Filed: December 13, 2021
    Publication date: March 31, 2022
    Inventors: Jung-Shin PARK, Ki-Suk KWEON, Sang-Jun MOON, Ji-Cheol LEE, Jin-Sung LEE
  • Patent number: 11206711
    Abstract: A 5G or pre-5G communication system is provided to support higher data transmission rates after 4G communication systems such as LTE. To support communication of a terminal that dually accesses a first radio access technology (RAT) communication system and a second RAT communication system, a session generation request message for transmitting traffic is received from a terminal. A target communication system that is to generate a data path with respect to the traffic from the first RAT communication system and the second RAT communication system is determined, the data path for the target communication system is configured, and information about the configured data path is transmitted to the terminal.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: December 21, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung-Shin Park, Ki-Suk Kweon, Sang-Jun Moon, Ji-Cheol Lee, Jin-Sung Lee
  • Patent number: 11050810
    Abstract: The present disclosure relates to a communication technique for converging IoT technology with a 5G communication system for supporting a higher data transmission rate than a 4G system, and a system therefor. The present disclosure may be applied to intelligent services based on 5G communication technology and IoT-related technology (e.g. smart homes, smart buildings, smart cities, etc.). A method for receiving image data for a virtual-reality streaming service by an electronic device according to an embodiment of the present invention comprises: a step in which the electronic device determines whether to execute an adaptive virtual-reality streaming service on the basis of a bandwidth state; and a step in which, if it is determined to execute the adaptive virtual-reality streaming service, the electronic device requests and receives, from a server, the image data for the adaptive virtual-reality streaming service on the basis of head-tracking information and bandwidth information collected in advance.
    Type: Grant
    Filed: August 16, 2019
    Date of Patent: June 29, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung-Shin Park, Joo-Hyung Lee, Ji-Cheol Lee, Han-Na Lim, Jin-Sung Lee, Hyung-Ho Lee
  • Patent number: 11044636
    Abstract: A method for detecting a section where congestion occurs in a data transmission path by a user equipment (UE) comprises receiving a first probe packet, receiving a second probe packet, measuring an interval in time of reception between the first probe packet and the second probe packet, determining whether the measured time interval exceeds a threshold, and determining whether a bottleneck occurs using a result of the determination and information contained in the probe packets, wherein the information contained in the probe packets is information about the time interval between the probe packets and transmission rates of load packets.
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: June 22, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-Jun Moon, Jin-Sung Lee, Ki-Suk Kweon, Jung-Shin Park, Ji-Cheol Lee, Hyung-Ho Lee
  • Patent number: 10880736
    Abstract: The present invention relates to a method for transmitting an encrypted message at a transmission device, the method comprising: if a first user input to run a message application is detected, displaying a keyboard supporting a security mode; detecting a second user input to select the security mode; switching to the security mode in response to the second user input, and then receiving a message input by a user and temporarily storing the message; if a writing completion instruction of the message is detected on the keyboard, encrypting the message; and transmitting, to a reception device, the encrypted message.
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: December 29, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong-Han Park, Bo-Gyeong Kang, Jung-Je Son, Duckey Lee, Ji-Cheol Lee, Jung-Hwan Lim
  • Publication number: 20200356928
    Abstract: Provided is a collaborative Personal Assistant (PA) system for delegating provision of services by third party task providers. The system includes a contextual reasoned for searching for a first third party task provider supporting a first task required by a user input by using natural language input patterns for tasks supported by services operated by the third party task providers; and a server comprised of a task delegate unit for providing to the user a service and an action required by the user input for the first task, and providing additional service and actions supporting the first task to the user regardless of the user input.
    Type: Application
    Filed: July 29, 2020
    Publication date: November 12, 2020
    Inventors: Ji-Cheol Lee, Sung-Ho Choi
  • Patent number: 10785675
    Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). The present disclosure relates to a method and a device for controlling traffic of an electronic device in a wireless communication system, and the method can comprise the steps of: detecting a plurality of parts of traffic flows corresponding to at least one application; and preferentially processing the plurality of parts of traffic flows on the basis of application related information on each of the detected plurality of parts of traffic flows.
    Type: Grant
    Filed: September 11, 2015
    Date of Patent: September 22, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyung-Ho Lee, Beom-Sik Bae, Ji-Cheol Lee
  • Publication number: 20200260253
    Abstract: A method and an apparatus for providing, setting, maintaining, and releasing a packet data network (PDN) connection on the basis of a local area in a wireless communication system are provided. The method includes receiving the PDN subscription information on the basis of the local area from a business operator server, inspecting whether the current location information for the terminal exists in the PDN subscription information on the basis of the local area, and starting a procedure for setting the PDN on the basis of the local area when the current location information exists therein.
    Type: Application
    Filed: April 30, 2020
    Publication date: August 13, 2020
    Inventors: Ji-Cheol LEE, Song-Yean CHO, Sung-Ho CHOI
  • Patent number: 10728836
    Abstract: The present disclosure relates to a 5G or pre-5G communication system to be provided to support a higher data transmission rate after a 4G communication system such as LTE. Disclosed is a method and device for providing a data service through a mobile communication network. The method of the present invention comprises the steps of: receiving a connection request message including a device identifier of a terminal which is not subscribed to a mobile communication network; determining, using the device identifier of the terminal, whether the terminal corresponds to a contract for using the mobile communication network; configuring the terminal to perform limited access to the mobile communication network according to the contract when the terminal corresponds to the contract for using the mobile communication network; and transmitting, to the terminal, a connection acceptance message granting the limited access.
    Type: Grant
    Filed: November 11, 2015
    Date of Patent: July 28, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ha-Kyung Jung, Ki-Suk Kweon, Ji-Cheol Lee, Hyung-Ho Lee
  • Publication number: 20200187301
    Abstract: The present disclosure pertains to a 5G or pre-5G communication system that is to be provided so as to support higher data transmission rates after 4G communication systems such as LTE. The present disclosure provides a method for operating an apparatus for supporting communication of a terminal that dually accesses a first radio access technology (RAT) communication system and a second RAT communication system, the method comprising the operations of: receiving from the terminal a session generation request message for transmitting traffic; determining a target communication system that is to generate a data path with respect to the traffic from the first RAT communication system and the second RAT communication system; configuring the data path for the target communication system; and transmitting to the terminal information about the configured data path.
    Type: Application
    Filed: October 19, 2018
    Publication date: June 11, 2020
    Inventors: Jung-Shin PARK, Ki-Suk KWEON, Sang-Jun MOON, Ji-Cheol LEE, Jin-Sung LEE