Patents by Inventor Eun Jeong Lee

Eun Jeong 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: 20250177961
    Abstract: A catalyst for manufacturing carbon nanotubes includes a support, a first active layer formed on a surface of the support, and a second active layer formed on a surface of the first active layer, wherein the first active layer includes cobalt oxide and the second active layer includes aluminum oxide. A method for manufacturing carbon nanotubes is also described, using the catalyst. The catalyst of the present invention enables more uniform and efficient synthesis of small-diameter carbon nanotubes.
    Type: Application
    Filed: October 12, 2023
    Publication date: June 5, 2025
    Inventors: Eui Tae Kim, Eun Jeong Lee, Ki Hwan Kim, Eu Gene Oh, Sung Eun Park, Geun Sung Lee
  • Publication number: 20250054966
    Abstract: A positive electrode includes a positive electrode active material, wherein the present invention relates to a positive electrode, in which adhesion between a positive electrode active material layer and a collector is excellent by controlling distribution of a binder in the positive electrode active material layer, and a lithium secondary battery including the same.
    Type: Application
    Filed: January 20, 2023
    Publication date: February 13, 2025
    Inventors: Geun Sung Lee, Eun Jeong Lee, Sung Eun Park, Ki Hwan Kim, Eui Tae Kim
  • Publication number: 20240413313
    Abstract: A positive electrode active material, a method of preparing the same, and a positive electrode and a lithium secondary battery including the same are provided. The positive electrode active material includes a particulate positive electrode active material and a coating layer formed on a surface of the particulate positive electrode active material, the coating layer including a phosphorus (P)-doped aluminum oxide, and the coating layer having a thickness of 0.1 nm to 2.0 nm.
    Type: Application
    Filed: December 7, 2022
    Publication date: December 12, 2024
    Inventors: Eun Jeong LEE, Eui Tae KIM, Ki Hwan KIM
  • Publication number: 20240286117
    Abstract: The present invention relates to a method for preparing a carbon nanotube-producing catalyst using chemical vapor deposition method. Using the above preparation method, a uniform and thin coating layer can be formed even on the surface of a support having a high-specific-surface-area having a 3D structure, and high-quality and low-diameter carbon nanotubes can be produced using the catalyst prepared through this method.
    Type: Application
    Filed: January 12, 2023
    Publication date: August 29, 2024
    Inventors: Eui Tae KIM, Eun Jeong LEE, Ki Hwan KIM, Eu Gene OH, Sung Eun PARK, Geun Sung LEE
  • Publication number: 20240286116
    Abstract: The present invention relates to a catalyst for producing carbon nanotubes, a method for preparing the catalyst, and a method for producing carbon nanotubes using the catalyst which includes a support, and an active layer formed on a surface of the support, wherein the active layer contains CoO and Co3O4, and has, through XRD pattern measurement, one peak at 2?=35° to 38°, and one peak at 2?=41° to 44°, and a proportion of CoO among the CoO and Co3O4 is 55 at % or more. The catalyst according to the present invention can efficiently synthesize low-diameter carbon nanotubes.
    Type: Application
    Filed: January 12, 2023
    Publication date: August 29, 2024
    Inventors: Eui Tae Kim, Eun Jeong Lee, Ki Hwan Kim, Eu Gene Oh, Sung Eun Park, Geun Sung Lee
  • Publication number: 20240279066
    Abstract: The present invention relates to bundle-type carbon nanotubes having an average bundle thickness of 10 ?m or more, and a D50 of 10 ?m or more. The carbon nanotubes have excellent electrical conductivity and dispersibility and are particularly suitable for use as a conductive material.
    Type: Application
    Filed: January 12, 2023
    Publication date: August 22, 2024
    Inventors: Geun Sung LEE, Eui Tae KIM, Eun Jeong LEE, Eu Gene OH, Sung Eun PARK, Ki Hwan KIM
  • Patent number: 11396705
    Abstract: This disclosure relates to a method for preparing a polymer thin film with water repellency and oil repellency, including: thermally decomposing a thermal initiator to form a radical; reacting the radical with a monomer mixture of a specific composition to synthesize a polymer; and depositing the synthesized polymer on a substrate, and a polymer thin film with water repellency and oil repellency including a polymer resin including (meth)acrylate-based repeat units substituted with a fluorine-containing functional group and repeat units derived from a compound including at least two reactive functional groups at a specific ratio.
    Type: Grant
    Filed: April 9, 2019
    Date of Patent: July 26, 2022
    Assignee: LG Chem, Ltd.
    Inventors: Eun Jeong Lee, Ki-Hwan Kim, Chan Hyoung Park
  • Publication number: 20220216466
    Abstract: Disclosed is a positive electrode and a lithium secondary battery comprising the same, the positive electrode comprising a current collector, and a positive electrode active material layer comprising a plurality of positive electrode active materials, and an atomic layer deposition coating layer disposed in surfaces and pores of the positive electrode active materials and gaps between the plurality of positive electrode active materials, wherein the atomic layer deposition coating layer is 0.2 to 1 nm in thickness. A ratio of an amount of the atomic layer deposition coating layer of a lowermost portion of the positive electrode active material layer in contact with the current collector, to an amount of the atomic layer deposition coating layer of an uppermost portion of the positive electrode active material layer, is 40 weight % or more, and the positive electrode has a porosity of 15% to 35%.
    Type: Application
    Filed: May 29, 2020
    Publication date: July 7, 2022
    Applicant: LG Energy Solution, Ltd.
    Inventors: Eun-Jeong Lee, Ki-Hwan Kim, Yong-Chan Kim, In-Chul Kim, Sang-Joon Park
  • Publication number: 20220156579
    Abstract: The present disclosure relates to a method and device for generating an answer to a multiple-choice question, and an object of the present disclosure is to improve accuracy of answer generation by predicting an incorrect answer as well as a correct answer through a plurality of networks. In order to achieve the above object, the present disclosure provides a device for detecting an incorrect answer based on a text, a question, and a plurality of options corresponding to a multiple-choice question, including: a first network that predicts a correct answer by calculating a correct answer probability corresponding to each of the plurality of options, a second network that predicts an incorrect answer by calculating an incorrect answer probability corresponding to each of the plurality of options, and a third network that selects a final prediction based on the correct answer probability of the first network and the incorrect answer probability of the second network.
    Type: Application
    Filed: November 24, 2020
    Publication date: May 19, 2022
    Inventors: Dong Hwan KIM, Gang Ho DO, Ah Rim SOHN, Eun Jeong LEE
  • Publication number: 20220033969
    Abstract: A coating apparatus, and particularly, an atomic layer deposition apparatus. The atomic layer deposition apparatus consecutively coats the surfaces of powder particles with different kinds of materials.
    Type: Application
    Filed: January 23, 2020
    Publication date: February 3, 2022
    Inventors: Sang Joon Park, Ki Hwan Kim, Eun Jeong Lee, Yong Chan Kim
  • Patent number: 11097656
    Abstract: A lighting apparatus of an autonomous vehicle may include: a roof formed at the top of a vehicle; a lighting unit installed on the roof, and configured to display an autonomous driving status of the vehicle to the outside; and a control unit configured to vary a lighting status of the lighting unit according to the autonomous driving status of the vehicle.
    Type: Grant
    Filed: May 8, 2020
    Date of Patent: August 24, 2021
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventors: Eun Jeong Lee, Seung Woo Baek, Ban Suk Choi, Cheon Seop Shin, Jun Hyuk Cha, Moo Kwan Kim
  • Publication number: 20210238747
    Abstract: The present invention relates to an atomic layer deposition apparatus, and according to one aspect of the present invention, it can reduce a gas consumption while sufficiently securing a gas exposure time upon traveling a substrate through a roll-to-roll process.
    Type: Application
    Filed: September 18, 2019
    Publication date: August 5, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Sang Joon Park, Ki Hwa Kim, Eun Jeong Lee
  • Patent number: 10981497
    Abstract: A control system of an autonomous vehicle may include: a camera unit installed on a vehicle body, and configured to take an image of a pedestrian; a measurement unit installed on the vehicle body, and configured to measure a position of the pedestrian and a distance to the pedestrian; a control unit configured to receive data of the camera unit and the measurement unit; and an image irradiation unit configured to operate according to a control signal of the control unit, and irradiate light to one or more of the pedestrian and a road.
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: April 20, 2021
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventors: Eun Jeong Lee, Seung Woo Baek, Ban Suk Choi, Cheon Seop Shin, Jun Hyuk Cha, Moo Kwan Kim
  • Patent number: 10843622
    Abstract: A control system of an autonomous vehicle may include: a camera unit installed on a vehicle body, and configured to take an image of a pedestrian; a measurement unit installed on the vehicle body, and configured to measure a position of the pedestrian and a distance to the pedestrian; a control unit configured to receive data of the camera unit and the measurement unit; and an image irradiation unit configured to operate according to a control signal of the control unit, and irradiate light to one or more of the pedestrian and a road.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: November 24, 2020
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventors: Eun Jeong Lee, Seung Woo Baek, Ban Suk Choi, Cheon Seop Shin, Jun Hyuk Cha, Moo Kwan Kim
  • Patent number: 10814778
    Abstract: An apparatus for transmitting driving information of a vehicle may include: a surrounding information sensing unit configured to sense an obstacle positioned within a designated distance around the vehicle or an obstacle approaching within a designated distance; a vehicle information sensing unit configured to sense a status of the ego vehicle; a control unit configured to determine a surrounding situation of the ego vehicle or whether the surrounding situation was recognized, based on the information sensed through the surrounding information sensing unit, determine the status of the ego vehicle based on the information sensed through the vehicle information sensing unit, and output information through an information output unit, the information corresponding to the determined surrounding situation or whether the surrounding situation was recognized and the determined status of the ego vehicle; and the information output unit including a display lamp and speaker installed on the vehicle body.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: October 27, 2020
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventors: Eun Jeong Lee, Seung Woo Baek, Ban Suk Choi, Cheon Seop Shin, Jun Hyuk Cha, Moo Kwan Kim
  • Publication number: 20200269752
    Abstract: A lighting apparatus of an autonomous vehicle may include: a roof formed at the top of a vehicle; a lighting unit installed on the roof, and configured to display an autonomous driving status of the vehicle to the outside; and a control unit configured to vary a lighting status of the lighting unit according to the autonomous driving status of the vehicle.
    Type: Application
    Filed: May 8, 2020
    Publication date: August 27, 2020
    Inventors: Eun Jeong LEE, Seung Woo BAEK, Ban Suk CHOI, Cheon Seop SHIN, Jun Hyuk CHA, Moo Kwan KIM
  • Publication number: 20200215966
    Abstract: A control system of an autonomous vehicle may include: a camera unit installed on a vehicle body, and configured to take an image of a pedestrian; a measurement unit installed on the vehicle body, and configured to measure a position of the pedestrian and a distance to the pedestrian; a control unit configured to receive data of the camera unit and the measurement unit; and an image irradiation unit configured to operate according to a control signal of the control unit, and irradiate light to one or more of the pedestrian and a road.
    Type: Application
    Filed: March 16, 2020
    Publication date: July 9, 2020
    Inventors: Eun Jeong LEE, Seung Woo BAEK, Ban Suk CHOI, Cheon Seop SHIN, Jun Hyuk CHA, Moo Kwan KIM
  • Patent number: 10682950
    Abstract: A lighting apparatus of an autonomous vehicle may include: a roof formed at the top of a vehicle; a lighting unit installed on the roof, and configured to display an autonomous driving status of the vehicle to the outside; and a control unit configured to vary a lighting status of the lighting unit according to the autonomous driving status of the vehicle.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: June 16, 2020
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventors: Eun Jeong Lee, Seung Woo Baek, Ban Suk Choi, Cheon Seop Shin, Jun Hyuk Cha, Moo Kwan Kim
  • Publication number: 20200165724
    Abstract: The present invention relates to an apparatus and a method for coating a surface of a porous substrate, and according to one aspect of the present invention, there is provided an apparatus for coating a surface of a porous substrate having a first surface and a second surface opposite to the first surface, which comprises: a first supply part for supplying a source gas to the first surface of the porous substrate; a first pumping part for generating a air flow inside the porous substrate in the direction from the first surface of the porous substrate toward the second surface; a second supply part for supplying the source gas to the second surface of the porous substrate; a second pumping part for generating an air flow inside the porous substrate in the direction from the second surface of the porous substrate toward the first surface; and a substrate carrier for transporting the substrate.
    Type: Application
    Filed: June 22, 2018
    Publication date: May 28, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Sang Joon PARK, Jong Seok KIM, Eun Jeong LEE, Sung Su KIM, Jae In LEE, Eun Byurl CHO
  • Publication number: 20200156536
    Abstract: An apparatus for transmitting driving information of a vehicle may include: a surrounding information sensing unit configured to sense an obstacle positioned within a designated distance around the vehicle or an obstacle approaching within a designated distance; a vehicle information sensing unit configured to sense a status of the ego vehicle; a control unit configured to determine a surrounding situation of the ego vehicle or whether the surrounding situation was recognized, based on the information sensed through the surrounding information sensing unit, determine the status of the ego vehicle based on the information sensed through the vehicle information sensing unit, and output information through an information output unit, the information corresponding to the determined surrounding situation or whether the surrounding situation was recognized and the determined status of the ego vehicle; and the information output unit including a display lamp and speaker installed on the vehicle body.
    Type: Application
    Filed: December 28, 2018
    Publication date: May 21, 2020
    Inventors: Eun Jeong LEE, Seung Woo BAEK, Ban Suk CHOI, Cheon Seop SHIN, Jun Hyuk CHA, Moo Kwan KIM