Patents by Inventor Yoon-ho Lee

Yoon-ho 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: 20240120477
    Abstract: A positive electrode material for a lithium secondary battery has improved electron conductivity and surface stability because oxidation-treated carbon nanotubes are stably attached to the surface of an active material. According to one embodiment the positive electrode material includes a positive electrode active material core made of a Li—Ni—Co—Mn-M-O-based material (M=transition metal) and an oxidized carbon nanotube coating layer formed on the surface of the positive electrode active material core and including 1% to 3% by weight of oxidation-treated carbon nanotubes (OCNT) relative to 100% by weight of the positive electrode active material core.
    Type: Application
    Filed: July 7, 2023
    Publication date: April 11, 2024
    Inventors: Seung Min Oh, Sung Ho Ban, Sang Hun Lee, Chang Hoon Song, Yoon Sung Lee, Ko Eun Kim, Van Chuong Ho, Jun Young Mun
  • Publication number: 20240120580
    Abstract: A sealing device for a pouch-type battery includes an upper sealing block and a lower sealing block. The upper sealing block has a two-stage upper sealing groove, including a first upper step and a second upper step, and the lower sealing block has a two-stage lower sealing groove, including a first lower step and a second lower step. The upper sealing block contacts a first surface of an electrode lead sealing part of the pouch-type battery, and the lower sealing block contacts a second surface of the electrode lead sealing part of the pouch-type battery in a process of performing sealing through heat fusion. A pouch-type battery having an electrode lead sealing part formed by the sealing device is also provided.
    Type: Application
    Filed: November 17, 2022
    Publication date: April 11, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Seung Ho Na, Kwang Hee Choi, Dong Kyun Ha, Yoon Beom Lee, Do Woo Kim, Hye Ji Lee
  • Patent number: 11956980
    Abstract: Discussed is an organic light emitting device in which a light emitting layer includes a host and different kinds of dopants, the fluorescent dopant is formed of a material having energy level properties facilitating thermally activated delayed fluorescence (TADF), and thus energy is concentratedly transferred to the fluorescent dopant so as to increase luminous efficacy of a single color.
    Type: Grant
    Filed: December 24, 2020
    Date of Patent: April 9, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Gyeong-Woo Kim, Hong-Seok Choi, Seung-Ryong Joung, Jun-Ho Lee, Yoon-Deok Han, Hee-Su Byeon
  • Patent number: 11955432
    Abstract: An antenna structure according to an embodiment of the present disclosure includes a passivation layer, an antenna unit at least partially embedded in an upper portion of the passivation layer, and an insulating layer disposed on a top surface of the passivation layer to cover the antenna unit. A spatial efficiency of the antenna structure is improved and a thickness of the image display device is reduced to improve a bending property.
    Type: Grant
    Filed: December 17, 2021
    Date of Patent: April 9, 2024
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Yoon Ho Huh, Young Ju Kim, Young Su Lee
  • Publication number: 20240105918
    Abstract: A positive electrode material for a lithium secondary battery and a manufacturing method therefor are provided. The positive electrode material may have carbon nanotubes stably attached to a surface of an active material and may exhibit increased electron conductivity and improved surface stability. The positive electrode material for a lithium secondary battery may comprises: a positive electrode active material core comprising a Li—Ni—Co—Mn-M-O-based material, where M is a transition metal; and a carbon nanotube coating layer on a surface of the positive electrode active material core. Carbon nanotubes (CNT) may be in an amount of 1-5 wt %, based on 100 wt % of the positive electrode active material core.
    Type: Application
    Filed: July 3, 2023
    Publication date: March 28, 2024
    Inventors: Seung Min Oh, Sung Ho Ban, Sang Hun Lee, Chang Hoon Song, Yoon Sung Lee, Ko Eun Kim, Van Chuong Ho, Jun Young Mun
  • 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: 11912804
    Abstract: A core-shell copolymer, a method of making the same, and a thermoplastic resin composition including the same are disclosed herein. In some embodiments, a core-shell copolymer includes a core and a shell surrounding the core, the core includes a conjugated diene-based monomer-derived repeating unit and a phosphate-based cross-linking agent-derived cross-linking part represented by Formula 1, and the shell includes a first alkyl (meth)acrylate monomer-derived repeating unit, a second alkyl (meth)acrylate monomer-derived repeating unit, and a sulfonate-based ionic monomer-derived repeating unit represented by Formula 2. The core is 68 parts to 92 parts and the shell is 8 parts to 32 parts, based on 100 parts of the core-shell copolymer, the core has a swell index of 2.7 to 10.9, the shell includes 1 wt % to 16 wt % of the sulfonate-based ionic monomer-derived repeating unit, and the shell has a weight average molecular weight of 105,000 g/mol to 645,000 g/mol.
    Type: Grant
    Filed: October 11, 2019
    Date of Patent: February 27, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Kwang Jin Lee, Yoon Ho Kim, Sang Il Nam, Kyung Bok Sun, Chang No Lee, Sang Hoon Han
  • Patent number: 11913098
    Abstract: A self-healing alloy contains 5 to 11% by weight of molybdenum (Mo), iron (Fe) as a remainder, and unavoidable impurities. A method for manufacturing the self-healing alloy includes heat treating the alloy or preparing an alloy raw material powder and sintering, homogenizing, and cooling the alloy raw material powder.
    Type: Grant
    Filed: March 22, 2021
    Date of Patent: February 27, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, Kookmin University Industry Academy Cooperation Foundation
    Inventors: Kyung Sik Choi, Hoo Dam Lee, Tae Gyu Lee, Byung Ho Min, Young Jun Kwon, Keun Won Lee, Yoon Jung Won, Ki Sub Cho
  • Patent number: 11593787
    Abstract: An electronic device is provided. The electronic device includes a display configured to display information, an input device configured to receive a user input, an image sensor, a processor electrically connected with the display, the input device, and the image sensor, and a non-transitory computer readable storage medium electrically connected with the processor that stores instructions that cause the processor to control the display to display first-level information as a locking mode is partially released when partial authentication passes based on bio-information acquired through the image sensor in a state in which the electronic device is in the locking mode, and control the display to display second-level information having a security level higher than a security level of the first-level information as the locking mode is fully released when full authentication passes based on a user input made through the input device.
    Type: Grant
    Filed: May 24, 2021
    Date of Patent: February 28, 2023
    Inventors: Yoon Ho Lee, Hyun Kim, Byung In Yu
  • Patent number: 11437570
    Abstract: A resistive switching memory device according to an exemplary embodiment includes: a first electrode; a second electrode formed to be separated from the first electrode; and an insulating layer formed near the first electrode and the second electrode, and changed to one of a high resistance state and a low resistance state when a conductive filament is controlled by a change of external humidity or a voltage applied through the first electrode or the second electrode.
    Type: Grant
    Filed: July 17, 2020
    Date of Patent: September 6, 2022
    Assignees: YONSEI UNIVERSITY, UNIVERSITY—INDUSTRY FOUNDATION (UIF), SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Ki Tae Nam, Ouk Hyun Cho, Jang-Yeon Kwon, Min-Kyu Song, Seok Namgung, Hyeohn Kim, Yoon Ho Lee
  • Publication number: 20210351254
    Abstract: A display device includes a display panel which contains an LED which emits light, a first layer containing a porous polymer and disposed on the display panel, a second layer containing a metal halide and disposed on the first layer, and a lenticular lens disposed on the display panel, where the first layer has a first refractive index and the second layer has a second refractive index less than the first refractive index.
    Type: Application
    Filed: March 4, 2021
    Publication date: November 11, 2021
    Inventors: JIWON LEE, SUJUNG HUH, Joon Hak OH, Yoon Ho LEE, JIYEON SEO, YOUNGSANG HA
  • Publication number: 20210279713
    Abstract: An electronic device is provided. The electronic device includes a display configured to display information, an input device configured to receive a user input, an image sensor, a processor electrically connected with the display, the input device, and the image sensor, and a non-transitory computer readable storage medium electrically connected with the processor that stores instructions that cause the processor to control the display to display first-level information as a locking mode is partially released when partial authentication passes based on bio-information acquired through the image sensor in a state in which the electronic device is in the locking mode, and control the display to display second-level information having a security level higher than a security level of the first-level information as the locking mode is fully released when full authentication passes based on a user input made through the input device.
    Type: Application
    Filed: May 24, 2021
    Publication date: September 9, 2021
    Inventors: Yoon Ho LEE, Hyun KIM, Byung In YU
  • Patent number: 11017378
    Abstract: An electronic device is provided. The electronic device includes a display configured to display information, an input device configured to receive a user input, an image sensor, a processor electrically connected with the display, the input device, and the image sensor, and a non-transitory computer readable storage medium electrically connected with the processor that stores instructions that cause the processor to control the display to display first-level information as a locking mode is partially released when partial authentication passes based on bio-information acquired through the image sensor in a state in which the electronic device is in the locking mode, and control the display to display second-level information having a security level higher than a security level of the first-level information as the locking mode is fully released when full authentication passes based on a user input made through the input device.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: May 25, 2021
    Inventors: Yoon Ho Lee, Hyun Kim, Byung In Yu
  • Publication number: 20210050514
    Abstract: A resistive switching memory device according to an exemplary embodiment includes: a first electrode; a second electrode formed to be separated from the first electrode; and an insulating layer formed near the first electrode and the second electrode, and changed to one of a high resistance state and a low resistance state when a conductive filament is controlled by a change of external humidity or a voltage applied through the first electrode or the second electrode.
    Type: Application
    Filed: July 17, 2020
    Publication date: February 18, 2021
    Inventors: Ki Tae NAM, Ouk Hyun CHO, Jang-Yeon KWON, Min-Kyu SONG, Seok NAMGUNG, Hyeohn KIM, Yoon Ho LEE
  • Patent number: 10713482
    Abstract: A computer-implemented method and system for identifying terms in a document in electronic form which includes: obtaining a document having title cased terms and defined terms; determining the location of each title cased term; accessing a library; comparing the title cased terms to the library of predetermined terms, wherein the title cased term is classified by a first predetermined identifier if the title cased term is not in the library, and wherein the title cased term is not classified by the first predetermined identifier if the title cased term is in the library; and determining each title cased term which is a defined term and a location and frequency of each defined term, wherein each defined term having a frequency value greater than one is reclassified by a second predetermined identifier and wherein each defined term having a frequency value of one is reclassified by a third predetermined identifier.
    Type: Grant
    Filed: July 27, 2017
    Date of Patent: July 14, 2020
    Assignee: Celant Innovations, LLC
    Inventor: Jason Yoon-Ho Lee
  • Publication number: 20190156325
    Abstract: An electronic device includes a display, a payment module transmitting data associated with a payment transaction to an external device wirelessly, a processor electrically connected to the display and the payment module, and a memory electrically connected to the processor. The memory stores instructions that cause the processor to initiate transmission of payment data to the external device, in response to a predetermined event and to output an optically recognizable image including specified information to the display.
    Type: Application
    Filed: June 5, 2017
    Publication date: May 23, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sung Wang KIM, Chan Pyo PARK, In Ji JIN, Shin Young YOU, Yoon Ho LEE
  • Patent number: 10216016
    Abstract: Methods, systems, and devices are disclosed for linear optical phase modulators. In some aspects, a linear optical phase modulator device is provided to include a substrate; a PN junction formed on the substrate to include a P region, a N region and a depletion region formed by the P and N regions; and an optical waveguide formed on the substrate and structured to guide light in one or more optical modes to have a spatial optical intensity distribution based on a free carrier density spatial distribution in the PN junction in such that the depletion region exhibits a substantially linear response with regard to a voltage applied to the PN junction to modulate a phase of the light guided by the optical waveguide.
    Type: Grant
    Filed: July 27, 2015
    Date of Patent: February 26, 2019
    Assignee: Cornell University
    Inventors: Yoon Ho Lee, Jaime Cardenas, Michal Lipson
  • Publication number: 20190034718
    Abstract: A computer-implemented method and system for identifying terms in a document in electronic form which includes: obtaining a document having title cased terms and defined terms; determining the location of each title cased term; accessing a library; comparing the title cased terms to the library of predetermined terms, wherein the title cased term is classified by a first predetermined identifier if the title cased term is not in the library, and wherein the title cased term is not classified by the first predetermined identifier if the title cased term is in the library; and determining each title cased term which is a defined term and a location and frequency of each defined term, wherein each defined term having a frequency value greater than one is reclassified by a second predetermined identifier and wherein each defined term having a frequency value of one is reclassified by a third predetermined identifier.
    Type: Application
    Filed: July 27, 2017
    Publication date: January 31, 2019
    Inventor: Jason Yoon-Ho Lee
  • Publication number: 20190019177
    Abstract: An electronic device is provided. The electronic device includes a display configured to display information, an input device configured to receive a user input, an image sensor, a processor electrically connected with the display, the input device, and the image sensor, and a non-transitory computer readable storage medium electrically connected with the processor that stores instructions that cause the processor to control the display to display first-level information as a locking mode is partially released when partial authentication passes based on bio-information acquired through the image sensor in a state in which the electronic device is in the locking mode, and control the display to display second-level information having a security level higher than a security level of the first-level information as the locking mode is fully released when full authentication passes based on a user input made through the input device.
    Type: Application
    Filed: July 13, 2018
    Publication date: January 17, 2019
    Inventors: Yoon Ho LEE, Hyun KIM, Byung ln YU
  • Patent number: 9620489
    Abstract: Techniques, systems, and devices are disclosed to provide multilayer platforms for integrating semiconductor integrated circuit dies, optical waveguides and photonic devices to provide intra-die or inter-die optical connectivity.
    Type: Grant
    Filed: June 6, 2014
    Date of Patent: April 11, 2017
    Assignee: CORNELL UNIVERSITY
    Inventors: Michal Lipson, Yoon Ho Lee