Patents by Inventor Yong Ju Lee

Yong Ju 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: 20200220167
    Abstract: A method of preparing a lithium metal oxide having a nickel oxide layer formed on a surface thereof includes (1) complexing a nickel precursor onto a surface of a lithium metal oxide; and (2) calcining, through a heat treatment, the lithium metal oxide—the surface of which is complexed with the nickel precursor—obtained in step (1).
    Type: Application
    Filed: January 10, 2020
    Publication date: July 9, 2020
    Applicants: LG Chem, Ltd., Dongguk University Industry-Academic Cooperation Foundation
    Inventors: Ye Ri Kim, Yong Mook Kang, Mi Ru Jo, Eun Kyung Kim, Yong Ju Lee, Rae Hwan Jo
  • Publication number: 20200220156
    Abstract: A negative electrode including: a negative electrode current collector; and a negative electrode active material layer on at least one surface of the negative electrode current collector. The negative electrode is pre-lithiated and the negative electrode active material layer includes a silicon-based material and a carbonaceous material. In addition, a graphene sheet having 2 layers to 15 layers is on the negative electrode active material layer. The negative electrode is advantageous in terms of storage and safety. A lithium secondary battery using the negative electrode shows reduced initial irreversibility, and thus provides increased efficiency.
    Type: Application
    Filed: December 20, 2018
    Publication date: July 9, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Sun-Young SHIN, Jun-Hyuk SONG, Yong-Ju LEE, Je-Young KIM
  • Patent number: 10696611
    Abstract: Disclosed is a novel adamantine derivative compound, an isomer thereof, pharmaceutically acceptable salt thereof, prodrug thereof, hydrate thereof or a solvate thereof. Also disclosed is a method for preparing a novel adamantine derivative compound, an isomer thereof, pharmaceutically acceptable salt thereof, prodrug thereof, hydrate thereof or a solvate thereof. The novel adamantane derivative compound or the like has an excellent anti-androgenic effect.
    Type: Grant
    Filed: August 24, 2015
    Date of Patent: June 30, 2020
    Assignee: AMOREPACIFIC CORPORATION
    Inventors: Yung Hyup Joo, Song Seok Shin, Byoung Young Woo, Heung Soo Baek, Yong Deog Hong, Hong-Ju Shin, Yeon Su Jeong, Jon Hwan Lee
  • Patent number: 10701503
    Abstract: Disclosed is an apparatus and method for processing a multichannel audio signal. A multichannel audio signal processing method may include: generating an N-channel audio signal of N channels by down-mixing an M-channel audio signal of M channels; and generating a stereo audio signal by performing binaural rendering of the N-channel audio signal.
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: June 30, 2020
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Yong Ju Lee, Jeong Il Seo, Seung Kwon Beack, Kyeong Ok Kang, Jin Woong Kim, Jae Hyoun Yoo
  • Publication number: 20200196081
    Abstract: Disclosed is an audio signal processing method including identifying a sound source provided inside a preset reference distance and a sound source provided outside the reference distance to represent a sound field based on virtual reality (VR) content that is represented in a predetermined virtual space in which a user is located in a VR environment, processing a sound field using three-dimensional (3D) ambisonics based on height information and horizontal information of the sound source provided inside the reference distance, and processing a sound field using two-dimensional (2D) ambisonics based on horizontal information of the sound source provided outside the reference distance.
    Type: Application
    Filed: August 13, 2019
    Publication date: June 18, 2020
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Jae-hyoun YOO, Yong Ju LEE, Tae Jin LEE, Dae Young JANG
  • Patent number: 10687037
    Abstract: A photographing apparatus is disclosed.
    Type: Grant
    Filed: April 11, 2017
    Date of Patent: June 16, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyung-Ju Chun, Sung-Oh Kim, Hyun-Hee Park, Yong-Man Lee, Jae-Moon Kim, Seul-Ki Jang, Jong-Bum Choi, Jung-Jun Lee, Sung-Jun Lim, Kwang-Tai Kim, Soo-Hyung Kim, Dong-Hyun Yeom, Ki-Huk Lee
  • Patent number: 10687163
    Abstract: Disclosed is an audio signal processing method including identifying a sound source provided inside a preset reference distance and a sound source provided outside the reference distance to represent a sound field based on virtual reality (VR) content that is represented in a predetermined virtual space in which a user is located in a VR environment, processing a sound field using three-dimensional (3D) ambisonics based on height information and horizontal information of the sound source provided inside the reference distance, and processing a sound field using two-dimensional (2D) ambisonics based on horizontal information of the sound source provided outside the reference distance.
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: June 16, 2020
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jae-hyoun Yoo, Yong Ju Lee, Tae Jin Lee, Dae Young Jang
  • Publication number: 20200176753
    Abstract: A negative electrode for a lithium secondary battery (and a lithium secondary battery including the same) including: a negative electrode current collector; a first negative electrode mixture layer present on at least one surface of the negative electrode current collector and including a first carbonaceous negative electrode active material, a first polymer binder and a first conductive material; a second negative electrode mixture layer present on a top surface of the first negative electrode mixture layer and including a silicon-based negative electrode active material, a second polymer binder and a second conductive material; and a third negative electrode mixture layer present on a top surface of the second negative electrode mixture layer and including a second carbonaceous negative electrode active material, a third polymer binder and a third conductive material.
    Type: Application
    Filed: February 11, 2020
    Publication date: June 4, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Su-Min LEE, Yong-Ju LEE, Eun-Kyung KIM, Sun-Young SHIN, Il-Geun OH, Rae-Hwan JO
  • Publication number: 20200167659
    Abstract: Provided are a device and method for training a neural network. The method includes generating a candidate solution set by modifying a candidate solution which represents a basic neural network model in a variable-length string form, acquiring first candidate solutions by performing architecture variation-based unsupervised learning with a plurality of candidate solutions selected from the candidate solution set, selecting a neural network model represented by a first candidate solution which satisfies targeted effective performance as a first neural network model, acquiring second candidate solutions by performing selective error propagation-based supervised learning with the first neural network model, and selecting a neural network model represented by a second candidate solution which satisfies the targeted effective performance as a final neural network model.
    Type: Application
    Filed: November 26, 2019
    Publication date: May 28, 2020
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Yong Hyuk MOON, Jun Yong PARK, Yong Ju LEE
  • Publication number: 20200168890
    Abstract: A negative electrode active material which includes a secondary particle including first primary particles, wherein the first primary particle includes a core including SiOx, wherein 0?x<2, an intermediate layer which covers at least a portion of a surface of the core and includes silicon nitride, silicon oxynitride, or a mixture thereof, and a carbon coating layer which covers at least a portion of the intermediate layer and includes nitrogen-doped carbon, and a negative electrode and a lithium secondary battery which include the same.
    Type: Application
    Filed: May 10, 2018
    Publication date: May 28, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Jung Hyun CHOI, Yong Ju LEE, Dong Hyuk KIM, Eun Kyung KIM, Rae Hwan JO, Il Geun OH
  • Publication number: 20200168891
    Abstract: Provided is a negative electrode active material including secondary particles assembled from silicon composite primary particles represented by Mg—SiOx (0<x<2) and artificial graphite primary particles, wherein the secondary particles assembled from silicon composite primary particles and artificial graphite primary particles are surface-coated with an amorphous carbon coating layer. The lithium secondary battery using the negative electrode active material can retain conductivity even after charge/discharge and can be prevented from degradation of cycle characteristics.
    Type: Application
    Filed: December 19, 2018
    Publication date: May 28, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Sun-Young SHIN, Yong-Ju LEE, Je-Young KIM
  • Patent number: 10658658
    Abstract: The present invention relates to a negative electrode active material including a secondary particle in which primary particles are aggregated, wherein the primary particle includes: a core including one or more of silicon and a silicon compound; and a surface layer which is disposed on a surface of the core and contains carbon, wherein an average particle size D50 of the core is in a range of 0.5 ?m to 20 ?m, a method of preparing the same, an electrode including the same, and a lithium secondary battery including the same.
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: May 19, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Jung Hyun Choi, Yong Ju Lee, Eun Kyung Kim
  • Patent number: 10657978
    Abstract: A broadcast transmitting apparatus and method, and a broadcast playback apparatus and method for providing an object-based audio by encoding and decoding a multichannel audio signal are provided. The broadcast transmitting apparatus may generate audio identification information used to determine whether the multichannel audio signal is an object-based audio signal. When the multichannel audio signal is determined to be the object-based audio signal, based on the audio identification information, the broadcast playback apparatus may control and output the multichannel audio signal for each channel.
    Type: Grant
    Filed: January 30, 2019
    Date of Patent: May 19, 2020
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Yong Ju Lee, Tae Jin Lee, Kyeong Ok Kang, Jin Woong Kim, Chie Teuk Ahn
  • Publication number: 20200154224
    Abstract: An audio encoding apparatus and method that encodes hybrid contents including an object sound, a background sound, and metadata, and an audio decoding apparatus and method that decodes the encoded hybrid contents are provided. The audio encoding apparatus may include a mixing unit to generate an intermediate channel signal by mixing a background sound and an object sound, a matrix information encoding unit to encode matrix information used for the mixing, an audio encoding unit to encode the intermediate channel signal, and a metadata encoding unit to encode metadata including control information of the object sound.
    Type: Application
    Filed: January 20, 2020
    Publication date: May 14, 2020
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Seung Kwon BEACK, Tae Jin LEE, Jong Mo SUNG, Kyeong Ok KANG, Jeong Il SEO, Dae Young JANG, Yong Ju LEE, Jin Woong KIM
  • Patent number: 10652685
    Abstract: The present research relates to controlling rendering of multi-object or multi-channel audio signals. The present research provides a method and apparatus for controlling rendering of multi-object or multi-channel audio signals based on spatial cues in a process of decoding the multi-object or multi-channel audio signals. To achieve the purpose, the method suggested in the research controls rendering in a spatial cue domain in the process of decoding the multi-object or multi-channel audio signals.
    Type: Grant
    Filed: March 18, 2019
    Date of Patent: May 12, 2020
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Seung-Kwon Beack, Jeong-Il Seo, Dae-Young Jang, Tae-Jin Lee, Yong-Ju Lee, Jin-Woo Hong, Jin-Woong Kim
  • Publication number: 20200140981
    Abstract: Provided according to one preferred aspect of the present invention are austenitic steel material having superb abrasion resistance and toughness, and a method for producing the austenite steel material. The austenitic steel material having superb abrasion resistance and toughness according to one preferred aspect of the present invention comprises, in wt %, 0.6-1.9% carbon (C); 12-22% manganese (Mn); 5% or lower (excluding 0%) chromium (Cr); 5% or lower (excluding 0%) copper (Cu); 0.5% or lower (excluding 0%) aluminum (Al); 1.0% or lower (excluding 0%) silicon (Si); 0.1% or lower (including 0%) phosphorous (P); 0.02% or lower (including 0%) sulfur (S); and the rest in Fe and unavoidable impurities, and has the microstructure comprising, by surface area fraction, 97% or higher (including 100%) austenite and 3% or lower (including 0%) carbide.
    Type: Application
    Filed: December 21, 2017
    Publication date: May 7, 2020
    Inventors: Yong-Jin Kim, Hong-Yeol Oh, Hong-Ju Lee, Sang-Deok Kang, Yoen-Jung Park, Young-Deok Jung
  • Publication number: 20200143250
    Abstract: Method and apparatus for compressing and decompressing a deep learning model. The apparatus for compressing extracts a threshold from a weight matrix for each layer of a pre-trained deep learning model, generate a binary mask for the weight matrix based on the threshold for each layer, apply the binary mask to the weight matrix for each layer of the pre-trained deep learning model, and perform a matrix sparsity process to generate a compression model.
    Type: Application
    Filed: November 5, 2019
    Publication date: May 7, 2020
    Inventor: Yong-Ju LEE
  • Patent number: 10645514
    Abstract: Disclosed is an apparatus and method for processing a multichannel audio signal. A multichannel audio signal processing method may include: generating an N-channel audio signal of N channels by down-mixing an M-channel audio signal of M channels; and generating a stereo audio signal by performing binaural rendering of the N-channel audio signal.
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: May 5, 2020
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Yong Ju Lee, Jeong Il Seo, Seung Kwon Beack, Kyeong Ok Kang, Jin Woong Kim, Jae Hyoun Yoo
  • Patent number: 10644025
    Abstract: A method of processing a substrate by omitting a photolithographic process is disclosed. The method includes forming at least one layer on a stepped structure having an upper surface, a lower surface, and a side surface that connects the upper surface to the lower surface, selectively densifying portions of the at least one layer respectively on the upper surface and the lower surface via asymmetric plasma application, and performing an isotropic etching process on the at least one layer. During the isotropic etching process, the portion of the at least one layer formed on the upper surface is separated from the portion of the at least one layer formed on the lower surface.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: May 5, 2020
    Assignee: ASM IP Holding B.V.
    Inventors: Seung Ju Chun, Yong Min Yoo, Jong Wan Choi, Young Jae Kim, Sun Ja Kim, Wan Gyu Lim, Yoon Ki Min, Hae Jin Lee, Tae Hee Yoo
  • Patent number: RE48053
    Abstract: A liquid crystal display (LCD) includes a cover assembly; a liquid crystal panel; a light guide plate configured to guide light to the liquid crystal panel; a printed circuit board (PCB) to which the light guide plate is mounted; and a light emitting diode (LED) package which is mounted on the PCB and emits light to a lateral side of the light guide plate. The PCB includes a base substrate; a connecting hole which is formed in the base substrate to couple the base substrate to the cover assembly with a connecting member; an insulating layer which is coated on the base substrate while avoiding a head part of the connecting member; and a spacer tape which is provided on an upper side of the insulating layer so that the light guide plate is evenly mounted on the PCB.
    Type: Grant
    Filed: July 8, 2016
    Date of Patent: June 16, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Suk Ju Choi, Kun Ho Cho, Yong Hun Kwon, Kye Hoon Lee, Gil Tae Hur, Young Min Lee