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).

  • Publication number: 20240034188
    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: Application
    Filed: December 7, 2022
    Publication date: February 1, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Won Jae Lee, Gi Young Kwon
  • Patent number: 11845662
    Abstract: The present invention relates to a method for preparing a carbon nanotube fiber which is a continuous array of carbon nanotube. The present invention enables minimization of rotational flow inside a tube reactor and thus can facilitate enhanced tensile strength of the prepared carbon nanotube fiber.
    Type: Grant
    Filed: September 4, 2018
    Date of Patent: December 19, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Eugene Oh, Youngjin Yi, Juhan Kim, Ji Eun Kim, Jun Won Choi, Won Jae Lee, Ye Hoon Im
  • Patent number: 11732062
    Abstract: The present invention relates to a modification polymerization initiator and a method for preparing the same, and the modification polymerization initiator includes a derived unit from a compound represented by Formula 1 and may include various functional groups in a molecule, and thus, may initiate polymerization reaction and introduce a functional group into a polymer chain at the same time. In addition, the preparation method according to the present invention may prepare the modification polymerization initiator with high purity in high yield.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: August 22, 2023
    Inventors: Dong Cheol Choe, Jae Hoon Choe, Hyeon Hui Kim, Jong Young Choi, Jung Yong Lee, Won Jae Lee
  • Publication number: 20230183070
    Abstract: The present invention relates to a method for preparing a carbon nanotube fiber which is a continuous array of carbon nanotube. The present invention enables minimization of rotational flow inside a tube reactor and thus can facilitate enhanced tensile strength of the prepared carbon nanotube fiber.
    Type: Application
    Filed: September 4, 2018
    Publication date: June 15, 2023
    Inventors: Eugene OH, Youngjin Yl, Juhan KIM, Ji Eun KIM, Jun Won CHOI, Won Jae LEE, Ye Hoon IM
  • Patent number: 11644946
    Abstract: A method and a user terminal for providing contents to a user, and a method and a server for providing contents to a user terminal. The method for providing contents to a user includes: displaying, by a user terminal, a first list including a first content belonging to a first set and a second content belonging to a second set different from the first set in a first region on a chat room screen; when a user's interaction with the first content is received, displaying, by the user terminal, a first interface for requesting contents in the first set; and when a user's interaction with the first interface is received, displaying, by the user terminal, an icon indicative of the first set on the screen and a second list including at least one content belonging to the first set in the first region.
    Type: Grant
    Filed: January 13, 2022
    Date of Patent: May 9, 2023
    Assignee: KAKAO CORP.
    Inventors: Hee Jin Lim, Su Hyeok Cha, Hee Young Lee, Yang Kyun Park, Bo Kyung Kim, Tae Heon Lee, Jee Min Yang, Ji Sun Park, Ji Hyun Son, Won Jae Lee
  • Patent number: 11618687
    Abstract: The present invention relates to a method for preparing a lithium bis(fluorosulfonyl)imide salt, including a step of dissolving bis(chlorosulfonyl)imide in an organic solvent in a non-glass vessel to prepare a first reaction solution; a step of injecting lithium fluoride (LiF) to the first reaction solution in the non-glass vessel and refluxing while heating to prepare a second reaction solution; a step of separating a product including a lithium bis(fluorosulfonyl)imide salt and the organic solvent from the second reaction solution; and a step of obtaining the lithium bis(fluorosulfonyl)imide salt in a solid phase from the product, wherein the organic solvent is at least one or more selected from the group consisting of ethyl acetate, butyl acetate, chloroform, dichloromethane, dichloroethane, benzene, xylene and acetonitrile.
    Type: Grant
    Filed: April 9, 2019
    Date of Patent: April 4, 2023
    Inventors: Byung Soo Kang, Hyun Jik Lee, Won Jae Lee, Chui Haeng Lee, Young Min Lim
  • Publication number: 20230071917
    Abstract: An encapsulated organic light emitting device and a fabrication method thereof are disclosed. An encapsulated organic light emitting device according to an example embodiment includes a plurality of organic light emitting devices formed on a substrate, a partition wall disposed to separate the plurality of organic light emitting devices, a hydrophobic oil filling a housing structure defined by the partition wall, a polymer thin film formed on surfaces of the hydrophobic oil and the partition wall using a photo-curable precursor, and a multi-film laminated on the polymer thin film.
    Type: Application
    Filed: February 11, 2022
    Publication date: March 9, 2023
    Inventors: Gi Heon KIM, Yong Hae KIM, Won Jae LEE
  • Publication number: 20230024893
    Abstract: The present invention relates to uses of threonyl-tRNA synthetase (TARS) derived from Akkermansia muciniphila or a fragment thereof as an active ingredient for prevention, alleviation, and treatment of an inflammatory disease. The Akkermansia muciniphila TARS or a fragment thereof according to the present invention promotes the differentiation of M2 macrophages, which are anti-inflammatory macrophages, to multiply macrophages, thereby increasing the secretion of IL-10 as an anti-inflammatory cytokine, leading to the proliferation of B cells to result in an anti-inflammatory effect, and thus was verified to show alleviation effects of not only inflammatory diseases but also immune diseases, infectious diseases, and metabolic diseases accompanied by inflammation, and to have excellent effects in the prevention or treatment of an inflammatory bowel disease (IBD).
    Type: Application
    Filed: September 26, 2022
    Publication date: January 26, 2023
    Inventors: Myung Hee KIM, Won-Jae LEE, Su-Man KIM, Shinhye PARK, Kyung-Ah LEE, Eun-Young LEE, Byoung Chan KIM, Chul-Ho LEE, Jungwon HWANG
  • Patent number: 11549202
    Abstract: The present invention relates to a method for producing a carbon nanotube fiber aggregate and provides a carbon nanotube fiber aggregate having an improved level of alignment through ultrasonic wave application and low speed recovery.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: January 10, 2023
    Assignee: POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Eugene Oh, Juhan Kim, Ji Eun Kim, Won Jae Lee, Hyunjung Cho, Kun-Hong Lee
  • Patent number: 11472818
    Abstract: The present invention relates to a method for preparing a modification polymerization initiator with a high conversion ratio by minimizing side reactions. According to the method for preparing a modification polymerization initiator, a modification polymerization initiator which may easily initiate polymerization and provide a polymer with a functional group having affinity with a filler, may be prepared. Particularly, by performing the method using a continuous reactor, the production of by-products may be decreased, and as a result, the conversion ratio may be increased and a modification polymerization initiator with high purity may be prepared in a high yield.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: October 18, 2022
    Inventors: Jung Yong Lee, Dong Cheol Choe, Won Jae Lee, Jae Hoon Choe, Hyeon Hui Kim, Jong Young Choi
  • Patent number: 11449307
    Abstract: A remote controller for controlling an external device by using voice recognition. The remote controller includes a microphone, at least one sensor, a communication interface, and a processor for controlling the microphone, the at least one sensor, and the communication interface. The controller identifies a user utterance intention based on utterance intention information of the remote controller and utterance intention information of the external device. The controller controls whether to supply power to the microphone according to a result of an identification of the user utterance intention, and controls the communication interface to transmit an electrical signal corresponding to a voice of user received through the microphone to a display device.
    Type: Grant
    Filed: June 6, 2018
    Date of Patent: September 20, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chae-young Lim, Jong-jin Park, Min-sup Kim, Hyun-kyu Yun, Won-jae Lee, Kyung-ik Cho
  • Publication number: 20220236856
    Abstract: A method and a user terminal for providing contents to a user, and a method and a server for providing contents to a user terminal. The method for providing contents to a user includes: displaying, by a user terminal, a first list including a first content belonging to a first set and a second content belonging to a second set different from the first set in a first region on a chat room screen; when a user's interaction with the first content is received, displaying, by the user terminal, a first interface for requesting contents in the first set; and when a user's interaction with the first interface is received, displaying, by the user terminal, an icon indicative of the first set on the screen and a second list including at least one content belonging to the first set in the first region.
    Type: Application
    Filed: January 13, 2022
    Publication date: July 28, 2022
    Inventors: Hee Jin LIM, Su Hyeok CHA, Hee Young LEE, Yang Kyun PARK, Bo Kyung KIM, Tae Heon LEE, Jee Min YANG, Ji Sun PARK, Ji Hyun SON, Won Jae LEE
  • Publication number: 20220198125
    Abstract: Provided is a content recommendation method. The content recommendation method includes: receiving, by a user terminal, text information from a user through a text input window of a chatting room, outputting, by the user terminal, a first content set including at least a part of contents related to keyword information to be mapped to the text information, outputting, by the user terminal, a first preview content for a first content included in the first content set, receiving, by the user terminal, an interaction from the user, and in response to the interaction, outputting, by the user terminal, a second preview content for a second content to replace the first preview content, wherein the second content is a content related to the keyword information.
    Type: Application
    Filed: December 22, 2021
    Publication date: June 23, 2022
    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, Hye Won JEONG, Ji Sun PARK, Won Bom HONG, Jee Min YANG, Hee Jin LIM, Ji Hyun SON
  • Publication number: 20220191158
    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: December 15, 2021
    Publication date: June 16, 2022
    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: 20220179359
    Abstract: Disclosed is an apparatus of analyzing a depth of a holographic image according to the present disclosure, which 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: Application
    Filed: November 10, 2021
    Publication date: June 9, 2022
    Applicants: 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
  • Patent number: 11312628
    Abstract: The present invention relates to a method for enhancing tensile strength of a carbon nanotube (CNT) fiber aggregate, comprising dispersing a CNT fiber aggregate with chlorosulfonic acid (CSA), followed by thermal treatment, wherein a particular magnitude of tension is applied upon the thermal treatment, whereby the CNT fiber aggregate is increased in alignment level and tensile strength.
    Type: Grant
    Filed: January 25, 2018
    Date of Patent: April 26, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Eugene Oh, Juhan Kim, Ji Eun Kim, Jaehong Lee, Won Jae Lee
  • Patent number: 11274041
    Abstract: The present invention relates to a method for preparing a carbon nanotube fiber aggregate formed of single-wall carbon nanotubes, and the manufacturing efficiency of a carbon nanotube fiber comprising single-wall carbon nanotubes can be improved by controlling the molar ratio of a carbon source and of a reducing gas in a carrier gas.
    Type: Grant
    Filed: August 11, 2017
    Date of Patent: March 15, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Eugene Oh, Juhan Kim, Ji Eun Kim, Won Jae Lee
  • Patent number: 11262417
    Abstract: An apparatus and method for testing a circuit board included in a battery management system. The circuit board includes a first test point connected in common to one end of a first resistor, one end of a first capacitor and one end of a second resistor; a second test point connected in common to the other end of the second resistor and one end of a second capacitor; a third test point connected to the other end of the first resistor; and a fourth test point connected in common to the other end of the first capacitor and the other end of the second capacitor. The apparatus determines an open-circuit fault of at least one of the first capacitor and the second capacitor based on a first diagnosis voltage between the first and fourth test points and a second diagnosis voltage between the second and fourth test points.
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: March 1, 2022
    Inventor: Won-Jae Lee
  • Patent number: 11262611
    Abstract: Provided is a liquid crystal element. The liquid crystal element includes a first substrate, a first electrode provided on the first substrate, a liquid crystal layer provided on the first electrode and including a liquid crystal portion and a hydrophobic portion, and a second electrode on the liquid crystal layer, wherein the hydrophobic portion is phase-separated from the liquid crystal portion, wherein the liquid crystal portion includes polymer materials, a first dye, and liquid crystal molecules dispersed in the polymer materials, wherein the hydrophobic portion is spaced apart from the first electrode, wherein the hydrophobic portion includes hydrophobic materials and a second dye, wherein the first dye is dissolved in the polymer materials, wherein the second dye is dissolved in the hydrophobic portion, wherein the polymer materials include photo-curable polymer materials.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: March 1, 2022
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Gi Heon Kim, Won Jae Lee, Chi-Sun Hwang
  • Patent number: 11254801
    Abstract: The present invention relates to a modified polymerization initiator for a conjugated diene-based polymer, and a modified conjugated diene-based polymer including a functional group derived from the modified polymerization initiator.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: February 22, 2022
    Inventors: Jung Yong Lee, Jae Hoon Choe, Dong Cheol Choe, Jong Young Choi, Won Jae Lee, Hyeon Hui Kim