Patents by Inventor Yong Ju

Yong Ju 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).

  • Negative electrode for lithium secondary battery and lithium secondary battery comprising same
    Patent number: 11283062
    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: Grant
    Filed: February 11, 2020
    Date of Patent: March 22, 2022
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Su-Min Lee, Yong-Ju Lee, Eun-Kyung Kim, Sun-Young Shin, Il-Geun Oh, Rae-Hwan Jo
  • WIRELESS COOPERATIVE CHARGING SYSTEM AND METHOD FOR INCREASING POWER RECEIVING EFFICIENCY DURING SIMULTANEOUS INFORMATION AND POWER TRANSFER
    Publication number: 20220078790
    Abstract: Provided is a power transmission and reception system and a power transmission and reception system method capable of simultaneously transmitting/receiving data and power and including an array antenna including a plurality of antennas, a radio frequency (RF) unit and a baseband unit provided for data transmission and reception, a slot allocation unit configured to allocate a channel for power transfer and a slot for data transmission in a Contention Access Period (CAP) section, and allocate a slot for power transfer in consideration of whether to perform cooperative charging with a nearby another Simultaneous Wireless Information and Power Transfer (SWIPT) power transfer system, and a power supply and beamforming control unit configured to adjust the array antenna such that a power signal to be transmitted is beamformed according to a positioning beacon from a power receiving unit (PRU).
    Type: Application
    Filed: September 7, 2021
    Publication date: March 10, 2022
    Inventors: Yong Ju PARK, Yong Seok LIM
  • NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME
    Publication number: 20220077467
    Abstract: Provided is a negative electrode active material for a lithium secondary battery which includes: a silicon-silicon oxide-magnesium silicate composite comprising a silicon oxide (SiOx, 0<x?2) matrix; and silicon (Si) crystal grains, MgSiO3 crystal grains and Mg2SiO4 crystal grains present in the silicon oxide matrix, wherein the MgSiO3 crystal grains have a crystal size of 5-30 nm and the Mg2SiO4 crystal grains have a crystal size of 20-100 nm in the silicon-silicon oxide-magnesium silicate composite, and the content ratio of MgSiO3 crystal grains to Mg2SiO4 crystal grains is 2:1-1:1 on the weight basis. A method for preparing the negative electrode active material for a lithium secondary battery is also provided.
    Type: Application
    Filed: January 20, 2020
    Publication date: March 10, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Il-Geun OH, Dong-Hyuk KIM, Yong-Ju LEE
  • POLISHING PAD AND METHOD OF FABRICATING SEMICONDUCTOR DEVICE USING THE SAME
    Publication number: 20220073694
    Abstract: Provided is a polishing pad including a polishing layer, wherein the nuclear magnetic resonance (NMR) 13C spectrum of a processed composition prepared by adding 1 g of the polishing layer to a 0.3 M aqueous solution of potassium hydroxide (KOH) and allowing the mixture to react in a closed container at a temperature of 150° C. for 48 hours includes a first peak appearing at 15 ppm to 18 ppm, a second peak appearing at 9 ppm to 11 ppm, a third peak appearing at 138 ppm to 143 ppm, and a fourth peak appearing at 55 ppm to 65 ppm, and the softening control index calculated by Equation 1 is 0.10 to 0.45. The polishing pad includes the polishing layer having physical properties corresponding to the softening control index, and thus may exhibit a removal rate and defect prevention performance within desired ranges in polishing of a polishing target.
    Type: Application
    Filed: September 7, 2021
    Publication date: March 10, 2022
    Inventors: Eun Sun Joeng, Jong Wook Yun, Jang Won Seo, Yong Ju Jeong, Seung Kyun Kim
  • InP-based NANOCLUSTER, AND METHOD OF PREPARING InP-based NANOPARTICLE
    Publication number: 20220056338
    Abstract: The invention relates to InP-based nanoclusters that include indium and phosphorus and further include zinc, chlorine, or a combination thereof, and to a method of preparing the InP-based nanoparticles including heating the InP-based nanoclusters in the presence of zinc, chlorine, or a combination thereof.
    Type: Application
    Filed: August 20, 2021
    Publication date: February 24, 2022
    Inventors: Yong Wook KIM, Yong ju KWON, Sungjee KIM, Jihyun MIN, Yuho WON, Eun Joo JANG, Hyo Sook JANG, Eunjae LEE, Kyuhyun BANG, Anastasia AGNES, Jeongmin KIM
  • Receiver Having Pressure Equilibrium Structure
    Publication number: 20220038810
    Abstract: A receiver having a pressure equilibrium structure includes a magnetic circuit including a yoke, a permanent magnet coupled to the yoke, and a top plate attached to the permanent magnet, a voice coil configured to vibrate by mutual electromagnetic force with the magnetic circuit, a diaphragm allowing the voice coil to be attached thereto and vibrated by the voice coil to generate sound, and a protector coupled to an upper surface of the diaphragm and surrounding an outer side of the magnetic circuit with a gap from an outer periphery of the magnetic circuit, wherein the protector has a hole communicating with a gap portion with the magnetic circuit and an air path is formed by the hole of the protector and the gap between the magnetic circuit and the protector.
    Type: Application
    Filed: July 29, 2021
    Publication date: February 3, 2022
    Inventors: Yong Ju Ji, Young Woo Kim
  • AIR CIRCULATOR HAVING DUAL ROTARY VANE
    Publication number: 20220034326
    Abstract: An air circulator having a dual rotary vane according to an exemplary embodiment of the present invention includes: a casing assembly having a suction port through which air is introduced, and a discharge port through which the air is discharged; an intake fan assembly including an intake motor fixedly coupled in the casing assembly, and an intake fan configured to be rotatably driven by the intake motor; and an exhaust fan assembly including an exhaust motor fixedly coupled in the casing assembly, and an exhaust fan configured to be rotatably driven by the exhaust motor, in which a rotational speed of the exhaust fan is higher than a rotational speed of the intake fan.
    Type: Application
    Filed: January 21, 2020
    Publication date: February 3, 2022
    Inventors: Dong Jin SEO, Yong Ju OH, Min Seok KIM
  • NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME
    Publication number: 20220029150
    Abstract: The present invention relates to a negative electrode for a lithium secondary battery and a lithium secondary battery including the negative electrode, wherein, since the negative electrode of the present invention includes a silicon oxide (SiOx, 0<x<2) composite containing magnesium (Mg) in a negative electrode active material and optimizes a type and an amount of a conductive agent, the lithium secondary battery including the negative electrode may improve a decrease in early-cycle capacity and high-temperature storage performance.
    Type: Application
    Filed: December 11, 2019
    Publication date: January 27, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Sun Young SHIN, Je Young KIM, Yong Ju LEE
  • Active matrix organic light-emitting diode display device and method of manufacturing the same
    Patent number: 11233107
    Abstract: The present disclosure discloses an active matrix organic light-emitting diode display device and a manufacturing method thereof. The method includes forming a sacrificial layer on a carrier layer; forming a flexible substrate on the sacrificial layer; forming a first insulating layer on the flexible substrate; forming at least one transition metal chalcogenide based backplane on the first insulating layer; and forming an opening unit after forming a capping layer on the at least one transition metal chalcogenide based backplane; and forming at least one active matrix organic light-emitting diode unit which is electrically connected to the at least one transition metal chalcogenide based backplane in the opening unit.
    Type: Grant
    Filed: April 22, 2019
    Date of Patent: January 25, 2022
    Assignee: INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY
    Inventors: Jong Hyun Ahn, Soo Young Kim, Min Woo Choi, Yong Ju Park, Bhupendra Kumar Sharma, Sa Rang Bae
  • Electrode For Electrolysis
    Publication number: 20220018032
    Abstract: The present invention provides an electrode for electrolysis in which a planarized metal substrate having a mesh structure such that the aspect ratio of an individual cross-section of a wire constituting the mesh structure is 120% or greater is used to increase the surface area of a coating layer, thereby increasing adhesion to a membrane and gas trap is reduced to reduce overvoltage.
    Type: Application
    Filed: February 17, 2020
    Publication date: January 20, 2022
    Applicant: LG Chem, Ltd.
    Inventors: Hee Jun Eom, Yeon Yi Kim, Myung Hun Kim, Dong Chul Lee, Sang Yun Jung, Gyo Hyun Hwang, Jong Wook Jung, Yong Ju Bang
  • METHOD AND APPARATUS FOR PERFORMING BINAURAL RENDERING OF AUDIO SIGNAL
    Publication number: 20220014869
    Abstract: A method and apparatus for performing binaural rendering of an audio signal are provided. The method includes identifying an input signal that is based on an object, and metadata that includes distance information indicating a distance to the object, generating a binaural filter that is based on the metadata, using a binaural room impulse response, obtaining a binaural filter to which a low-pass filter (LPF) is applied, using a frequency response control that is based on the distance information, and generating a binaural-rendered output signal by performing a convolution of the input signal and the binaural filter to which the LPF is applied.
    Type: Application
    Filed: March 12, 2021
    Publication date: January 13, 2022
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Yong Ju LEE, Jae-hyoun YOO, Mi Suk LEE, Kyeongok KANG, Dae Young JANG
  • NEGATIVE ELECTRODE ACTIVE MATERIAL AND METHOD OF PREPARING THE SAME
    Publication number: 20220006077
    Abstract: A negative electrode active material includes: a silicon based particle; a carbon coating layer formed on a surface of the silicon based particle and including a transition metal; and carbon nanotubes (CNT), wherein one ends of the carbon nanotubes are connected to the transition metal, and a content of the transition metal is 0.03 to 30 parts by weight based on 100 parts by weight of a sum of the carbon coating layer and the carbon nanotubes.
    Type: Application
    Filed: November 11, 2019
    Publication date: January 6, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Dong Hyuk KIM, Il Geun OH, Yong Ju LEE, Se Mi PARK
  • Earphone Having Pressure Equilibrium Structure
    Publication number: 20220007101
    Abstract: Provided is an earphone having a pressure equilibrium structure capable of preventing a decrease in acoustic characteristics or sound pressure, while having a structure capable of achieving equilibrium within an ear canal. The earphone includes a receiver including a frame, a magnetic circuit, a voice coil, and a diaphragm, a front housing surrounding a front and a side surface of the receiver and including a sound tube, a rear housing attached to a rear of the receiver and coupled to the front housing, and a duct located between the diaphragm and the sound tube. An acoustic path through which sound is emitted is formed from the receiver to an end of the sound tube. The front housing or the rear housing includes a leakage hole. An inner end of the duct is connected to the acoustic path. An outer end of the duct is connected to the leakage hole.
    Type: Application
    Filed: June 30, 2021
    Publication date: January 6, 2022
    Inventors: Yong Ju Ji, Jun Hee Han, Young Woo Kim
  • Bonding structure of diaphragm for receiver
    Patent number: 11212616
    Abstract: Disclosed is a bonding structure of a diaphragm for a receiver and a method thereof. The diaphragm of the receiver includes a center diaphragm and a side diaphragm elastically supporting the center diaphragm, formed by heat and pneumatic pressure, and bonded to the center diaphragm. At least one of the center diaphragm and the side diaphragm is formed of a thermoplastic elastomer film.
    Type: Grant
    Filed: October 27, 2020
    Date of Patent: December 28, 2021
    Assignee: EM-TECH CO., LTD.
    Inventors: Ji Hoon Kim, Young Woo Kim, Yong Ju Ji, Young Seok Noh, Chan Ho Jeong
  • SENSOR-INTEGRATED COMMUNICATION MODULE, CONTROL SYSTEM COMPRISING SAME, AND CONTROL METHOD
    Publication number: 20210400446
    Abstract: A sensor-integrated communication module that is insertedly coupled to one side of a home appliance may include a communication unit for transmitting/receiving a signal to/from an external device by using wireless communication, a sensor unit for collecting ambient information, and a control unit for controlling an operation of the home appliance in consideration of the ambient information.
    Type: Application
    Filed: April 23, 2019
    Publication date: December 23, 2021
    Inventors: Dong Jin SEO, Yong Ju OH, Min Seok KIM
  • Silicon-based particle-polymer composite and negative electrode active material comprising the same
    Patent number: 11196043
    Abstract: The present invention relates to a silicon-based particle-polymer composite, which includes silicon-based particles; and a polymer coating layer formed on the silicon-based particles, in which the polymer coating layer includes metal-substituted poly(acrylic acid) in which hydrogen atoms in carboxyl groups of the poly(acrylic acid) chain are substituted with one or more selected from the group consisting of K, Na and Li.
    Type: Grant
    Filed: November 22, 2018
    Date of Patent: December 7, 2021
    Assignee: LG Chem, Ltd.
    Inventors: Se Mi Park, Je Young Kim, Yong Ju Lee, Rae Hwan Jo, Su Min Lee, Jung Hyun Choi
  • NEGATIVE ELECTRODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME
    Publication number: 20210376312
    Abstract: A negative electrode active material that includes an active material core that allows the intercalation and deintercalation of lithium ions; and a conductive material that is attached to a surface of the active material core through an organic linker. The conductive material includes at least one selected from the group consisting of a linear conductive material and a planar conductive material. The organic linker is a compound that includes a hydrophobic structure and a substituent including a polar functional group.
    Type: Application
    Filed: October 28, 2019
    Publication date: December 2, 2021
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Yo Han KWON, Jae Hyun LEE, Je Young KIM, Yong Ju LEE, In Sung UHM, Dong Chan LEE, Joonwon LIM
  • METHOD FOR DETECTING TARGET RNA BY UTILIZING NICKING/EXTENSION CHAIN REACTION SYSTEM- BASED ISOTHERMAL NUCLEIC ACID AMPLIFICATION
    Publication number: 20210363566
    Abstract: The present invention relates to a detection method for detecting a target RNA contained in a sample with high sensitivity by using nicking/extension chain reaction system-based isothermal nucleic acid amplification (NESBA) that uses activity of a cleavage enzyme and a DNA polymerase. The NESBA of the present invention is a new concept isothermal target RNA detection method that realizes higher amplification efficiency than the existing NASBA technology and is deemed to be utilizable as a new concept diagnosis technology that can replace conventional target RNA detection technologies.
    Type: Application
    Filed: December 31, 2018
    Publication date: November 25, 2021
    Inventors: Hyun Gyu PARK, Hyo Yong KIM, Yong JU, Jun Ki AHN
  • Electromagnetic-wave transmitting cover and door outer handle including same
    Patent number: 11183755
    Abstract: Disclosed are an electromagnetic-wave transmitting cover that transmits electromagnetic waves transmitted/received by an LF antenna and an RF antenna and an electric field generated from a capacitance touch sensor while realizing a metallic texture, and a door outer handle including the same. The electromagnetic-wave transmitting cover includes: a substrate; a primer layer formed on a surface of the substrate; and a first metal layer formed by depositing and having a plurality of first microcracks penetrating in a thickness direction.
    Type: Grant
    Filed: August 5, 2020
    Date of Patent: November 23, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Three Nine Co., Ltd
    Inventors: Byung Kyu Cho, Jae Hwan Ha, Seung Chan Hong, Byung Sam Kim, Yong Ju Cho, Ki Yong Park
  • Air purifier
    Patent number: D939071
    Type: Grant
    Filed: April 2, 2020
    Date of Patent: December 21, 2021
    Assignee: MIRO CO., Ltd.
    Inventors: Dong Jin Seo, Yong Ju Oh, Min Seok Kim