Patents by Inventor Guk Park

Guk Park 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: 12003834
    Abstract: An embodiment of the present invention discloses a camera actuator comprising: a housing; a mover disposed in the housing and including protrusions on one surface which protrude toward the housing; and a driving unit disposed in the housing and rotating the mover on the basis of a first direction or a second direction perpendicular to the first direction, wherein the protrusions comprise: a first protrusion disposed on the one surface; a second protrusion spaced apart from the first protrusion; and a third protrusion separated from the first protrusion by a distance greater than from the second protrusion, and wherein the housing comprises: a groove in which the first protrusion is seated on an inner surface corresponding to the one surface; a first hole through which the second protrusion passes; and a second hole through which the third protrusion passes, wherein a side surface of the second protrusion is spaced apart from the first hole, and the housing includes a protruding part disposed on a side of the
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: June 4, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Young Bae Jang, Chan Joong Kim, Jeung Ook Park, Sung Guk Lee
  • Patent number: 11990584
    Abstract: The present invention provides a non-aqueous electrolyte solution for a lithium secondary battery and a lithium secondary battery including the same. Specifically, since the non-aqueous electrolyte solution forms a robust solid electrolyte interphase (SEI) by including a lithium salt, an organic solvent, and a compound represented by Formula 1, the non-aqueous electrolyte solution for a lithium secondary battery may improve battery performance, wherein, in Formula 1, R and R1 are described herein.
    Type: Grant
    Filed: November 9, 2021
    Date of Patent: May 21, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Jeong Woo Oh, Chul Haeng Lee, Sung Guk Park
  • Patent number: 11978857
    Abstract: The present disclosure provides a non-aqueous electrolyte including an additive for a non-aqueous electrolyte represented by Formula 1 below: wherein, R1 to R5 may each independently be any one selected from the group consisting of H, an alkenyl group having 2 to 20 carbon atoms, an alkynyl group having 2 to 20 carbon atoms, an alkoxy group having 1 to 20 carbon atoms, a cycloalkyl group having 3 to 12 carbon atoms, a cycloalkenyl group having 3 to 12 carbon atoms, and a nitrile group.
    Type: Grant
    Filed: September 29, 2022
    Date of Patent: May 7, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Hyung Tae Kim, Chul Haeng Lee, Jeong Woo Oh, Byung Chun Park, Young Mi Seo, Sung Guk Park
  • Publication number: 20240144270
    Abstract: A vehicle-to-everything (V2X) communication-based electronic toll collection system (ETCS) according to an embodiment of the present invention includes at least one roadside unit (RSU), a token issuer checking a de-identified token of a vehicle by communicating with an on-board unit (OBU) of the vehicle via the at least one roadside unit, and a clearing house communicating with the token issuer and charging a toll to a driver/owner of the vehicle. The token issuer generates toll information of the vehicle based on the de-identified token of the vehicle and location information of the at least one roadside unit involved in checking the de-identified token.
    Type: Application
    Filed: November 28, 2022
    Publication date: May 2, 2024
    Inventors: Duk Soo KIM, Eui Seok KIM, Sang Gyoo SIM, Ki Ho JOO, Jung Won LEE, Jong Guk LEE, Jung Wook KIM, Sang Seok LEE, Sang Min LEE, Sook Jun GWEON, Hyun Kyung PARK
  • Publication number: 20240085948
    Abstract: A display device includes a display panel including a plurality of pixels, a folding area, a first non-folding area disposed on one side of the folding area, and a second non-folding area disposed on the other side of the folding area, a first adhesive layer disposed on one surface of the display panel, and a code pattern layer. The code pattern layer includes a light absorption layer disposed on one surface of the first adhesive layer, a base layer disposed on the light absorption layer, and a plurality of code patterns disposed on the base layer. A thickness of the base layer is smaller than a thickness of the first adhesive layer.
    Type: Application
    Filed: April 5, 2023
    Publication date: March 14, 2024
    Inventors: So Yeon HAN, Hee Young LEE, Da Som GU, Ki Jun ROH, Gil Yeong PARK, Sung Guk AN
  • Publication number: 20240078320
    Abstract: Disclosed is a method and apparatus for detecting anomalies in a system log on the basis of self-supervised learning, using a language model. The method comprises performing preprocessing on the system log, generating a normal token sequence having a preset length by concatenating tokenized log lines of the system log, generating an abnormal token sequence using the normal token sequence, calculating an anomaly score for a determination target token sequence using a sentence classification model, and determining the token sequence as an abnormal system log when the calculated anomaly score is greater than a threshold value.
    Type: Application
    Filed: August 2, 2023
    Publication date: March 7, 2024
    Inventors: Duk Soo KIM, Eui Seok KIM, Sang Gyoo SIM, Ki Ho JOO, Jung Won LEE, Jong Guk LEE, Jung Wook KIM, Sang Seok LEE, Seung Young PARK
  • Patent number: 11924529
    Abstract: A camera actuator according to an embodiment can comprise: a housing; a prism unit disposed inside the housing; a driving part for tilting the prism unit; and a rotation unit for tilting the prism unit about a first axis or a second axis. The rotation unit can comprise: a rotation housing; a rotation guide disposed inside the rotation housing; and a guide pin member coupled to the rotation guide.
    Type: Grant
    Filed: July 15, 2020
    Date of Patent: March 5, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sang Ok Park, Sung Guk Lee, Seong Min Lee
  • Patent number: 11916197
    Abstract: An electrolyte solution additive for a secondary battery, a non-aqueous electrolyte solution including the same, and a lithium secondary battery including the same are disclosed herein. To be specific, the above non-aqueous electrolyte solution includes the electrolyte solution additive comprising the compound represented by Formula 1: wherein, in Formula 1, R1 and R2 are each independently an unsubstituted or substituted alkylene group having 1 to 5 carbon atoms, and L is a direct bond, —O—, —COO—, —RO—, or —R?COO—, wherein R and R? are each independently an alkylene group having 1 to 10 carbon atoms. The additive has an excellent effect of scavenging a decomposition product generated from a lithium salt.
    Type: Grant
    Filed: March 24, 2022
    Date of Patent: February 27, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Jeong Woo Oh, Chul Haeng Lee, Sung Guk Park
  • Publication number: 20240032443
    Abstract: An embodiment magnetic memory device based on perpendicular exchange bias includes a non-magnetic layer, a ferromagnetic layer bonded on the non-magnetic layer, wherein a magnetization direction of the ferromagnetic layer is randomly distributed, and an anti-ferromagnetic layer bonded on the ferromagnetic layer. An embodiment method of manufacturing a magnetic memory device includes preparing the magnetic memory device based on perpendicular exchange bias, the preparing including bonding a ferromagnetic layer on a non-magnetic layer and bonding an anti-ferromagnetic layer on the ferromagnetic layer, and demagnetizing the ferromagnetic layer of the magnetic memory device, wherein a magnetization direction of the ferromagnetic layer is randomly distributed.
    Type: Application
    Filed: January 16, 2023
    Publication date: January 25, 2024
    Inventors: Ji-Sung Lee, Joon-Hyun Kwon, Su-Jung Noh, Han-Saem Lee, Dae-Kyu Koh, Byong-Guk Park, Jaimin Kang, Soogil Lee
  • Publication number: 20240032442
    Abstract: An embodiment spin-orbit torque device array includes a plurality of single devices, each device including a non-magnetic layer, a magnetic layer bonded to the non-magnetic layer, and an upper layer bonded to the magnetic layer, wherein the upper layer includes oxide, and wherein a magnetization state of each of the single devices has only two states, the two states being an up state and a down state.
    Type: Application
    Filed: January 12, 2023
    Publication date: January 25, 2024
    Inventors: Ji-Sung Lee, Joon-Hyun Kwon, Su-Jung Noh, Han-Saem Lee, Dae-Kyu Koh, Byong-Guk Park, Jaimin Kang, Soogil Lee
  • Publication number: 20230395855
    Abstract: A non-aqueous electrolyte solution for a lithium secondary battery includes a compound represented by Formula 1 as follows, a lithium salt, and an organic solvent; and a lithium secondary battery including the same are described: wherein R, R?, R1 to R3 and n are described herein.
    Type: Application
    Filed: August 18, 2022
    Publication date: December 7, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Sung Guk Park, Chul Haeng Lee, Jeong Woo Oh, Byung Chun Park, Hyung Tae Kim, Young Mi Seo
  • Patent number: 11791082
    Abstract: A magnetic nano oscillating device, according to an embodiment of the present invention, comprises: a ferromagnetic layer disposed on a substrate; a non-magnetic conductive layer laminated on the ferromagnetic layer; an antiferromagnetic layer (or a ferrimagnetic layer) laminated on the non-magnetic conductive layer; and first and second electrodes respectively contacting both side surfaces of the ferromagnetic layer and the non-magnetic conductive layer.
    Type: Grant
    Filed: July 27, 2020
    Date of Patent: October 17, 2023
    Assignee: Korea University Research and Business Foundation
    Inventors: Kyung-Jin Lee, Byong Guk Park, Dong-Kyu Lee
  • Patent number: 11730065
    Abstract: Provided is a magnetic device including a conductive layer extended in a first direction and providing a spin Hall effect on a placement plane defined by the first direction and a second direction, a free layer disposed on the conductive layer, a fixed layer disposed on a portion of the free layer, a tunnel barrier layer disposed between the free layer and the fixed layer, a first electrode disposed on the fixed layer, a first charge storage layer disposed on the free layer so as not to overlap the fixed layer, and a first gate electrode disposed on the first charge storage layer. The first electrode and the first gate electrode are arranged in the second direction.
    Type: Grant
    Filed: June 28, 2021
    Date of Patent: August 15, 2023
    Assignee: Korea Advanced institute of Science and Technology
    Inventors: Byong Guk Park, Min-Gu Kang, Jong-Guk Choi
  • Publication number: 20230246232
    Abstract: The present invention relates to a precursor composition for a polymer electrolyte including two types of crosslinking agents and a gel polymer electrolyte formed therefrom.
    Type: Application
    Filed: September 10, 2021
    Publication date: August 3, 2023
    Applicants: LG ENERGY SOLUTION, LTD., IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Kyoung Ho AHN, Chul Haeng LEE, Jung Hoon LEE, Dong Won KIM, Sung Guk PARK, Bo Ra JEONG, Da Ae LIM
  • Publication number: 20230187696
    Abstract: The present disclosure provides a non-aqueous electrolyte solution for a lithium secondary battery, and a lithium secondary battery including the non-aqueous electrolyte solution. Specifically, the non-aqueous electrolyte solution for a lithium secondary battery may include a lithium salt, a non-aqueous organic solvent, a first additive comprising a compound represented by Formula 1, at least one second additive selected from the group consisting of vinylethylene carbonate (VEC) and ethyl di(pro-2-yn-1-yl) phosphate (EDP), and at least one third additive selected from the group consisting of a cyclic carbonate compound and a compound represented by Formula 2.
    Type: Application
    Filed: December 13, 2022
    Publication date: June 15, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Jeong Woo Oh, Chul Haeng Lee, Yu Ha An, Sung Guk Park
  • Publication number: 20230096447
    Abstract: Disclosed herein is a spin-orbit torque device including a lower ferromagnetic layer, a non-magnetic layer bonded to the lower ferromagnetic layer, and an upper ferromagnetic layer bonded to the non-magnetic layer, wherein a magnetization orientation of the lower ferromagnetic layer is randomly distributed. According to the present disclosure, it is possible to provide a magnetic memory device which cannot be physically duplicated and has reconfigurability using a spin-orbit torque.
    Type: Application
    Filed: February 22, 2022
    Publication date: March 30, 2023
    Inventors: Ji-Sung Lee, Joon-Hyun Kwon, Su-Jung Noh, Han-Saem Lee, Byong-Guk Park, Jaimin Kang, Jeong-Mok Kim, Soogil Lee
  • Publication number: 20230100719
    Abstract: The present invention provides a non-aqueous electrolyte solution for a lithium secondary battery and a lithium secondary battery including the same. Specifically, since the non-aqueous electrolyte solution forms a robust solid electrolyte interphase (SEI) by including a lithium salt, an organic solvent, and a compound represented by Formula 1, the non-aqueous electrolyte solution for a lithium secondary battery may improve battery performance, wherein, in Formula 1, R and R1 are described herein.
    Type: Application
    Filed: November 9, 2021
    Publication date: March 30, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Jeong Woo Oh, Chul Haeng Lee, Sung Guk Park
  • Publication number: 20230101481
    Abstract: The present disclosure provides a non-aqueous electrolyte including an additive for a non-aqueous electrolyte represented by Formula 1 below: wherein, R1 to R5 may each independently be any one selected from the group consisting of H, an alkenyl group having 2 to 20 carbon atoms, an alkynyl group having 2 to 20 carbon atoms, an alkoxy group having 1 to 20 carbon atoms, a cycloalkyl group having 3 to 12 carbon atoms, a cycloalkenyl group having 3 to 12 carbon atoms, and a nitrile group.
    Type: Application
    Filed: September 29, 2022
    Publication date: March 30, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Hyung Tae Kim, Chul Haeng Lee, Jeong Woo Oh, Byung Chun Park, Young Mi Seo, Sung Guk Park
  • Publication number: 20230088739
    Abstract: The present invention relates to a non-aqueous electrolyte comprising a lithium salt; an organic solvent; and a compound represented by Chemical Formula 1, wherein the invention can control moisture in the lithium secondary battery in which the non-aqueous electrolyte is used, suppress by-product formation according to moisture control, and improve the durability of the solid electrolyte layer, thereby improving the durability thereof, wherein L1 and L2 are each independently a single bond or an alkylene group having 1 to 5 carbon atoms, and R1 is hydrogen or an alkyl group having 1 to 5 carbon atoms.
    Type: Application
    Filed: July 25, 2022
    Publication date: March 23, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Jeong Woo Oh, Chul Haeng Lee, Yu Ha An, Sung Guk Park
  • Publication number: 20230081216
    Abstract: An apparatus for measuring a vent pressure of a pouch cell includes a pouch cell accommodating an electrode assembly therein, and formed with a heat fusion part on a side thereof; a measurement unit defining therein a space for seating the pouch cell, expanding the pouch cell by a negative pressure formed in the measuring unit, and measuring a vent pressure of the pouch cell; and a negative pressure forming unit connected to the measurement unit, and forming a negative pressure inside the measurement unit.
    Type: Application
    Filed: July 25, 2022
    Publication date: March 16, 2023
    Inventors: Sang Mok Park, Dong Guk Park, Yong Ju Lim