Patents by Inventor Won Jae Lee

Won Jae 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).

  • Patent number: 12365262
    Abstract: Disclosed is a method for power management of an electrified vehicle. In particular, the electrified vehicle comprises a power electric unit having a motor and an inverter and a main battery and a swappable battery electrically connected to the power electric unit. The method includes: determining a driver demand power when the power electric unit is generated; and satisfying the driver demand power first with the output of the swappable battery when the power electric unit outputs the driving force, and charging the main battery first in response to the driver demand power when the power electric unit is generated, based on the upper limit of charging and discharging of the main battery and the swappable battery.
    Type: Grant
    Filed: December 7, 2022
    Date of Patent: July 22, 2025
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Won Jae Lee, Gi Young Kwon
  • Patent number: 12335212
    Abstract: Provided are a method and server for providing a content list. The method and server for providing a content list includes: providing source content to a chat room, receiving a request for providing a content list related to the source content from a first terminal of a first member; providing at least one of a first content list including at least one keyword-related content selected from among the entire contents stored in the server based on a keyword of the source content and a second content list including at least one group-related content belonging to the same group as a group of the source content among the entire contents, receiving information on selection content selected by the first member among the contents included in the at least one content list, from the first terminal, and providing the selection content to the chat room.
    Type: Grant
    Filed: May 30, 2024
    Date of Patent: June 17, 2025
    Assignee: KAKAO CORP.
    Inventors: Su Hyeok Cha, Tae Heon Lee, Hee Young Lee, Bo Kyung Kim, Gi Hyouk Lee, Won Jae Lee, Yang Kyun Park, Hui Hyeon Kim, Ji Sun Park, Won Bom Hong, Hye Won Jeong, Ji Yeong Kim, Jee Min Yang, Hee Jin Lim, Ji Hyun Son, Min Jeong Yang, Ah Seong Kim, So Yeon Kim
  • Publication number: 20250164834
    Abstract: Provided is a polymer dispersed liquid crystal display including a first substrate and a second substrate disposed to oppose each other, a first electrode on an upper surface of the first substrate, a second electrode on a lower surface of the second substrate, wherein the upper surface of the first substrate faces the lower surface of the second substrate, a liquid crystal layer disposed between the first electrode and the second electrode, quid crystal drops distributed in the liquid crystal layer, and nano-particles distributed in the liquid crystal layer, wherein the nano-particles are insulators and may have light transmittance.
    Type: Application
    Filed: August 13, 2024
    Publication date: May 22, 2025
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Gi Heon KIM, Won Jae LEE
  • Publication number: 20250135953
    Abstract: An embodiment mobility apparatus includes a plurality of wheels, at least one driving motor configured to provide driving force to the wheels, a first battery configured to supply power to the at least one driving motor, and a controller configured to control the at least one driving motor and the first battery, wherein, in a state in which a second battery is detachably electrically connected to the first battery through a DC/DC converter, the controller is configured to perform a prioritized mode among a plurality of modes for battery conditioning control to be performed first based on states of the first battery and the second battery to carry out the battery conditioning control.
    Type: Application
    Filed: October 15, 2024
    Publication date: May 1, 2025
    Inventor: Won Jae Lee
  • Publication number: 20250135949
    Abstract: A mobility apparatus may include a plurality of first wheels, at least one first driving motor configured to provide a driving force to the plurality of first wheels, a first battery configured to supply power to the at least one first driving motor, and a first controller configured to control the at least one first driving motor and the first battery. When a second battery is removably and electrically connected to the first battery through a DC/DC converter, the first controller may perform the SOC control for minimizing natural discharge and/or degradation during long-term parking for the first battery and the second battery according to the driving control mode in which the mobility apparatus is being driven.
    Type: Application
    Filed: October 18, 2024
    Publication date: May 1, 2025
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Won Jae Lee, Min Su Kang, Gi Young Kwon, Dae Won Yang
  • Publication number: 20250135952
    Abstract: A mobility apparatus includes a plurality of first wheels, at least one first driving motor configured to provide a driving force to the plurality of first wheels, a first high voltage battery configured to supply power to the at least one first driving motor, and a first controller configured to control the at least one first driving motor and the first high voltage battery, and, when a second high voltage battery is removably and electrically connected to a first mobility apparatus, the first controller may control either the first high voltage battery or the second high voltage battery to operate to supply power to the first driving motor while performing conditioning for the other one.
    Type: Application
    Filed: October 21, 2024
    Publication date: May 1, 2025
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventor: Won Jae Lee
  • Publication number: 20250102845
    Abstract: Provided is a variable-transmittance window film capable of being operated in four different colors, and the window film of the present invention includes a first film, a second film spaced apart from the first film, a third film interposed between the first film and the second film, a suspended particle layer between the first film and the third film, and a polymer dispersed liquid crystal layer between the second film and the third film, wherein the polymer dispersed liquid crystal layer includes a dye having a second color complementary to a first color of the suspended particle layer.
    Type: Application
    Filed: June 19, 2024
    Publication date: March 27, 2025
    Inventors: Gi Heon KIM, Won Jae LEE
  • Publication number: 20250074244
    Abstract: A charging system and method release electrical connection of an electric mobility apparatus to a trailer type auxiliary battery connected to an external charger when a dangerous situation occurs in a state of recharging a battery of the electric mobility apparatus, thereby avoiding a dangerous situation.
    Type: Application
    Filed: September 3, 2024
    Publication date: March 6, 2025
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventor: Won Jae Lee
  • Patent number: 12209216
    Abstract: Provided is a display device including a first display, the first display includes a first substrate, a first electrode on the first substrate, a second electrode on the first electrode, a second substrate on the second electrode, and a liquid crystal layer disposed between the first electrode and the second electrode, the liquid crystal layer includes a liquid crystal and a black dye, and the black dye includes at least one of a first black dye, a second black dye, and a third black dye. The first black dye is a compound in which three naphthalene rings are connected via two azo groups, the second black dye is a compound in which two naphthalene rings and one aromatic group are connected via two azo groups, and the third black dye is a compound in which three naphthalene rings and one aromatic group are connected via three azo groups.
    Type: Grant
    Filed: May 17, 2023
    Date of Patent: January 28, 2025
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Gi Heon Kim, Won Jae Lee
  • Publication number: 20240378430
    Abstract: A method and a device for quantizing parameters of a neural network are disclosed. According to one aspect of the present invention, a computer-implemented method for quantizing parameters of a neural network including batch normalization parameters, the method comprising obtaining parameters in a second layer connected to a first layer; removing at least one parameter among the parameters based on either any one of output values of the first layer or batch normalization parameters applied to the parameters; and quantizing the parameters in the second layer based on parameters that have survived the removing, is provided.
    Type: Application
    Filed: August 4, 2022
    Publication date: November 14, 2024
    Inventor: Won Jae LEE
  • Publication number: 20240314092
    Abstract: Provided are a method and server for providing a content list. The method and server for providing a content list includes: providing source content to a chat room, receiving a request for providing a content list related to the source content from a first terminal of a first member; providing at least one of a first content list including at least one keyword-related content selected from among the entire contents stored in the server based on a keyword of the source content and a second content list including at least one group-related content belonging to the same group as a group of the source content among the entire contents, receiving information on selection content selected by the first member among the contents included in the at least one content list, from the first terminal, and providing the selection content to the chat room.
    Type: Application
    Filed: May 30, 2024
    Publication date: September 19, 2024
    Inventors: Su Hyeok CHA, Tae Heon LEE, Hee Young LEE, Bo Kyung KIM, Gi Hyouk LEE, Won Jae LEE, Yang Kyun PARK, Hui Hyeon KIM, Ji Sun PARK, Won Bom HONG, Hye Won JEONG, Ji Yeong KIM, Jee Min YANG, Hee Jin LIM, Ji Hyun SON, Min Jeong YANG, Ah Seong KIM, So Yeon KIM
  • Publication number: 20240300915
    Abstract: A manufacturing method capable of improving the yield and properties of a cyclic sulfonic acid ester derivative compound includes (A) reacting a compound represented by Formula 1 and thioacetic acid to prepare a compound represented by Formula 2, and (B) subjecting the compound represented by Formula 2 to an oxidative cyclization reaction to prepare a compound represented by Formula 3: wherein m and R1 to R8 are described herein.
    Type: Application
    Filed: January 9, 2023
    Publication date: September 12, 2024
    Applicant: LG Chem, Ltd.
    Inventors: Sang Weon Roh, Byung Soo Kang, Min Su Hwang, Jeong Ae Yoon, Won Jae Lee, Su Jeong Kim
  • Patent number: 12034681
    Abstract: Provided are a method and server for providing a content list. The method and server for providing a content list includes: providing source content to a chat room, receiving a request for providing a content list related to the source content from a first terminal of a first member; providing at least one of a first content list including at least one keyword-related content selected from among the entire contents stored in the server based on a keyword of the source content and a second content list including at least one group-related content belonging to the same group as a group of the source content among the entire contents, receiving information on selection content selected by the first member among the contents included in the at least one content list, from the first terminal, and providing the selection content to the chat room.
    Type: Grant
    Filed: December 15, 2021
    Date of Patent: July 9, 2024
    Assignee: KAKAO CORP.
    Inventors: Su Hyeok Cha, Tae Heon Lee, Hee Young Lee, Bo Kyung Kim, Gi Hyouk Lee, Won Jae Lee, Yang Kyun Park, Hui Hyeon Kim, Ji Sun Park, Won Bom Hong, Hye Won Jeong, Ji Yeong Kim, Jee Min Yang, Hee Jin Lim, Ji Hyun Son, Min Jeong Yang, Ah Seong Kim, So Yeon Kim
  • Patent number: 12013662
    Abstract: An apparatus which analyses a depth of a holographic image is provided. The apparatus includes an acquisition unit that acquires a hologram, a restoration unit that restores a three-dimensional holographic image by irradiating the hologram with a light source, an image sensing unit that senses a depth information image of the restored holographic image, and an analysis display unit that analyzes a depth quality of the holographic image, based on the sensed depth information image, and the image sensing unit uses a lensless type of photosensor.
    Type: Grant
    Filed: November 10, 2021
    Date of Patent: June 18, 2024
    Assignees: Electronics and Telecommunications Research Institute, MVTECH
    Inventors: Jae-Eun Pi, Yong Hae Kim, Jong-Heon Yang, Chul Woong Joo, Chi-Sun Hwang, Ha Kyun Lee, Seung Youl Kang, Gi Heon Kim, Joo Yeon Kim, Hee-ok Kim, Jeho Na, Jaehyun Moon, Won Jae Lee, Seong-Mok Cho, Ji Hun Choi
  • Publication number: 20240176222
    Abstract: A transparent structure according to an embodiment of the present disclosure includes a first panel and a second panel, wherein the first panel includes: a first electrode; a second electrode separated from the first electrode; and a polymer dispersed liquid crystal layer disposed between the first electrode and the second electrode, the second panel includes: a third electrode; a fourth electrode separated from the third electrode; and a colloid layer disposed between the third electrode and the fourth electrode, the fourth electrode includes multiple openings, and the colloid layer includes charged particles of which surfaces exhibit (+) charge or (?) charge.
    Type: Application
    Filed: August 22, 2023
    Publication date: May 30, 2024
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Gi Heon KIM, Won Jae LEE
  • Publication number: 20240165171
    Abstract: A composition for enhancing efficacy of lactic acid bacteria includes at least two branched-chain amino acids selected from the group consisting of leucine, isoleucine and valine. The composition may enhance physiological activity of lactic acid bacteria, for example, the growth promoting efficacy or the intestinal damage inhibitory efficacy of lactic acid bacteria.
    Type: Application
    Filed: March 23, 2022
    Publication date: May 23, 2024
    Inventors: Won Jae LEE, Eun Kyoung KIM, Sung Hee KIM, Kyung Ah LEE, Bo Ram KIM
  • Publication number: 20240100993
    Abstract: A method of power source control for the electrified vehicle includes: learning travel data in consideration of whether or not a swap battery is mounted in a vehicle in which a main battery is mounted at all times; determining a travel distance according to a currently mounted battery based on the travel data and a current driving point of the vehicle; and outputting information on swap or detachment of the swap battery based on the determined travel distance when the swap battery is mounted.
    Type: Application
    Filed: January 19, 2023
    Publication date: March 28, 2024
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Won Jae LEE, Gi Young KWON
  • Publication number: 20240084197
    Abstract: Provided is a display device including a first display, the first display includes a first substrate, a first electrode on the first substrate, a second electrode on the first electrode, a second substrate on the second electrode, and a liquid crystal layer disposed between the first electrode and the second electrode, the liquid crystal layer includes a liquid crystal and a black dye, and the black dye includes at least one of a first black dye, a second black dye, and a third black dye. The first black dye is a compound in which three naphthalene rings are connected via two azo groups, the second black dye is a compound in which two naphthalene rings and one aromatic group are connected via two azo groups, and the third black dye is a compound in which three naphthalene rings and one aromatic group are connected via three azo groups.
    Type: Application
    Filed: May 17, 2023
    Publication date: March 14, 2024
    Inventors: Gi Heon KIM, Won Jae LEE
  • 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
  • Publication number: 20240059183
    Abstract: A power management method of an electronic vehicle includes performing charging of a main battery through discharging of a swap battery, determining charge and discharge powers of the main battery during the charging of the main battery, and limiting a maximum discharge power of the main battery when the charge power is smaller than the discharge power.
    Type: Application
    Filed: January 26, 2023
    Publication date: February 22, 2024
    Inventors: GI YOUNG KWON, Won Jae Lee, Min Su Kim, Dong Hwan Kwak, Jong Hyeok Park, Sang Hyeon oh, Dae Won Yang, Jae Woo Jeon