Patents by Inventor Ju-An Lee

Ju-An 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).

  • Solvent removing apparatus and method of manufacturing microsphere using the same
    Patent number: 11944949
    Abstract: A solvent removing apparatus includes a container containing an emulsion comprising a first raw material of a continuous phase and a second raw material of a dispersed phase, an impeller rotating in the container to stir the emulsion, and a foam breaker spaced apart from the impeller on an upper portion of the impeller, positioned below a surface of the emulsion to be submerged in the emulsion when the emulsion is calm, and rotating to reduce foam generated during stirring of the emulsion.
    Type: Grant
    Filed: December 19, 2022
    Date of Patent: April 2, 2024
    Assignee: INVENTAGE LAB INC.
    Inventors: Sanghun Lee, Chan Hee Chon, Ju Hee Kim
  • ELECTRODE ASSEMBLY HAVING NEGATIVE ELECTRODE DISPOSED AS OUTERMOST ELECTRODE, AND LITHIUM-ION SECONDARY BATTERY HAVING SAME
    Publication number: 20240106091
    Abstract: An electrode assembly according to the present disclosure includes one or more unit cells each equipped with a pair of electrodes having different polarities with a separator interposed therebetween, an electrode mixture coated on one or both surfaces of the pair of electrodes, and electrode tabs located on the edges of the respective electrodes and not coated with the electrode mixture, and the electrode tabs include an electrode parallel connection tab and an electrode lead connection tab, and any one or more of the electrode parallel connection tab and the electrode lead connection tab are formed on the electrodes, and an outermost electrode is a negative electrode.
    Type: Application
    Filed: November 29, 2023
    Publication date: March 28, 2024
    Inventors: Joo Seong KIM, Jin Hong HA, Gil Ju LEE
  • LITHIUM SECONDARY BATTERY
    Publication number: 20240105957
    Abstract: A lithium secondary battery which includes an electrode assembly in which a positive electrode plate, a negative electrode plate, and a separator interposed between the positive electrode plate and the negative electrode plate are wound in one direction, a battery can in which the electrode assembly is accommodated, and a sealing body which seals an open end of the battery can. The positive electrode plate includes a positive electrode active material layer that includes a positive electrode active material, a conductive material, and a binder. The positive electrode active material may include a lithium nickel-containing oxide that has at least one of single particles or quasi-single particles, and the conductive material includes a combination of single-walled carbon nanotubes and bundle-type carbon nanotubes.
    Type: Application
    Filed: October 24, 2022
    Publication date: March 28, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Geun Ho PARK, Kwan Hee LEE, Yun Ju LEE, Sung Kwan PARK
  • FUEL CELL MEMBRANE HUMIDIFIER
    Publication number: 20240105972
    Abstract: The present invention relates to a fuel cell membrane humidifier capable of preventing a humidification efficiency decrease caused by the pressure difference between the inside and the outside of the membrane humidifier. The fuel cell membrane humidifier according to an embodiment of the present invention comprises: a middle case in which a module insertion part, including an outer partition wall formed spaced apart from an inner wall of the middle case, is formed; a cap case coupled to the middle case; a hollow fiber membrane module inserted into the module insertion part; and an active pressure buffer part that is formed between the middle case and the module insertion part and prevents the module insertion part from expanding due to the pressure difference between the inside and the outside of the middle case, or resolves the pressure difference, according to the output status of the fuel cell.
    Type: Application
    Filed: March 8, 2022
    Publication date: March 28, 2024
    Inventors: Young Seok OH, Ah Reum LEE, Ji Yoon LEE, Kyoung Ju KIM
  • Structure for microbe detection, manufacturing method therefor, and microbe detection method using same structure for microbe detection
    Patent number: 11940446
    Abstract: A method for manufacturing a structure for microbe detection comprises the steps of: reacting nitrilotriacetic acid (NTA) and an acid anhydride to prepare a first compound; chelation of metal ions to the first compound to prepare a second compound; binding the second compound and a microbe detector to prepare a third compound; and mixing an exfoliated transition metal-dichalcogenide (TMD) compound and the third compound to prepare a structure for microbe detection, in which the metal ions of the third compound are bound with the transition metal-dichalcogenide compound.
    Type: Grant
    Filed: May 16, 2018
    Date of Patent: March 26, 2024
    Assignee: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY ERICA CAMPUS
    Inventors: Jong-Ho Kim, Tae Woog Kang, Sin Lee, In Jun Hwang, Ju Hee Han
  • Storage controller, storage device including the same, and operation method of storage controller
    Patent number: 11940862
    Abstract: A storage controller communicates with an external device including a submission queue and a completion queue. An operation method of the storage controller includes receiving a notification associated with a command from the external device, based on a first clock, fetching the command from the submission queue, based on a second clock, performing an operation corresponding to the fetched command, based on a third clock, writing completion information to the completion queue, based on a fourth clock, and transmitting an interrupt signal to the external device, based on a fifth clock. Each of the first clock to the fifth clock is selectively activated depending on each operation phase.
    Type: Grant
    Filed: January 18, 2021
    Date of Patent: March 26, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun Ju Yi, Jaeho Sim, Kicheol Eom, Dong-Ryoul Lee, Hyotaek Leem
  • Selective deposition of a protective layer to reduce interconnect structure critical dimensions
    Patent number: 11942364
    Abstract: In some embodiments, the present disclosure relates to a method of forming an interconnect. The method includes forming an etch stop layer (ESL) over a lower conductive structure and forming one or more dielectric layers over the ESL. A first patterning process is performed on the one or more dielectric layers to form interconnect opening and a second patterning process is performed on the one or more dielectric layers to increase a depth of the interconnect opening and expose an upper surface of the ESL. A protective layer is selectively formed on sidewalls of the one or more dielectric layers forming the interconnect opening. A third patterning process is performed to remove portions of the ESL that are uncovered by the one or more dielectric layers and the protective layer and to expose the lower conductive structure. A conductive material is formed within the interconnect opening.
    Type: Grant
    Filed: July 20, 2022
    Date of Patent: March 26, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Hsi-Wen Tien, Chung-Ju Lee, Chih Wei Lu, Hsin-Chieh Yao, Yu-Teng Dai, Wei-Hao Liao
  • Vehicular heat management system
    Patent number: 11938781
    Abstract: A vehicular heat management system includes a refrigerant circulation line configured to generate hot energy or cold energy depending on a flow direction of a refrigerant, a heater core side coolant circulation line configured to transfer refrigerant heat generated in the refrigerant circulation line to a heater core to heat a passenger compartment, and a battery side coolant circulation line configured to receive coolant heat of the heater core side coolant circulation line via a coolant and then circulate the coolant through a battery to preheat the battery.
    Type: Grant
    Filed: August 27, 2019
    Date of Patent: March 26, 2024
    Assignee: Hanon Systems
    Inventors: Hyeon Gyu Kim, Doo Hoon Kim, Kyung Ju An, Byeong Ha Lee, Jin Jae Lee, Joong Man Han
  • Display device having pixels with the same active layer and method thereof
    Patent number: 11942025
    Abstract: A display device includes a substrate, a plurality of pixel electrodes on the substrate and spaced apart from each other, a plurality of light-emitting elements on the plurality of pixel electrodes, respectively, and a common electrode layer on the plurality of light-emitting elements and to which a common voltage is applied. The plurality of light-emitting elements include a first light-emitting element that is configured to emit first light according to a first driving current and a second light-emitting element that is configured to emit second light according to a second driving current. An active layer of the first light-emitting element is the same as an active layer of the second light-emitting element.
    Type: Grant
    Filed: June 30, 2022
    Date of Patent: March 26, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin Wan Kim, Seung Geun Lee, Sang Jo Kim, Su Jeong Kim, Young Jin Song, Byung Ju Lee
  • Limiting device and robot using the same
    Patent number: 11942652
    Abstract: The disclosure provides a limit device and a robot using the same. The limit device comprises a first connecting member, a transmission rod and a second connecting member. The first connecting member comprising a first main body portion and two first connecting elements. The two first connecting elements are arranged at intervals. The two first connecting elements are respectively connected to the first main body. The transmission rod comprising a first end and a second end. The first end and the second end are arranged at intervals. The first end penetrates through one of the two first connecting elements. The second end penetrates through the other one of the two first connecting element. The second connecting member provided with two indexing buckles. The two indexing buckles are arranged at intervals, each of the indexing buckles comprises a first limiting groove and a second limiting groove.
    Type: Grant
    Filed: April 13, 2022
    Date of Patent: March 26, 2024
    Assignees: Futaijing Precision Electronics (Yantai) Co., Ltd., HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Chen-Ting Kao, Chi-Cheng Wen, Yu-Sheng Chang, Chih-Cheng Lee, Chiung-Hsiang Wu, Sheng-Li Yen, Yu-Cheng Zhang, Chang-Ju Hsieh, Chen Chao
  • Resin composition for bonding semiconductor and adhesive film for semiconductor using the same
    Patent number: 11939494
    Abstract: A technical problem to be achieved by the present disclosure is to provide an adhesive resin composition for a conductor, which contains inorganic fillers having different average particle diameters and has enhanced thermal conductivity as a result of controlling the content of the inorganic fillers, and an adhesive film for a semiconductor produced using the same.
    Type: Grant
    Filed: August 17, 2021
    Date of Patent: March 26, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Jong Min Jang, Byoung Ju Choi, Kwang Joo Lee, Yu Lin Sun
  • Cleaning apparatus having vacuum cleaner and docking station
    Patent number: 11937765
    Abstract: A cleaning apparatus including a vacuum cleaner and a docking station is provided. The cleaning apparatus includes a vacuum cleaner including a dust collecting chamber in which foreign substances are collected, and a docking station configured to be connected to the dust collecting chamber to remove the foreign substances collected in the dust collecting chamber. The dust collecting chamber is configured to collect foreign substances through centrifugation, and configured to be docked to the docking station, and the docking station includes a suction device configured to suction the foreign substances and air in the dust collecting chamber docked to the docking station.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: March 26, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: See Hyun Kim, In Gyu Choi, Ki Hwan Kwon, Shin Kim, Hyeon Cheol Kim, Do Kyung Lee, Hyun Ju Lee, Yun Soo Jang, Seung Ryong Cha, Jung Gyun Han
  • Negative electrode active material for lithium secondary battery and lithium secondary battery comprising the same
    Patent number: 11942640
    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: Grant
    Filed: January 20, 2020
    Date of Patent: March 26, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Il-Geun Oh, Dong-Hyuk Kim, Yong-Ju Lee
  • APPARATUS AND METHOD FOR PROCESSING MULTI-CHANNEL AUDIO SIGNAL
    Publication number: 20240098437
    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: Application
    Filed: December 1, 2023
    Publication date: March 21, 2024
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Yong Ju LEE, Jeong Il SEO, Seung Kwon BEACK, Kyeong Ok KANG, Jin Woong KIM, Jae Hyoun YOO
  • LIGHT ROUTE CONTROL MEMBER AND DISPLAY HAVING THE SAME
    Publication number: 20240094591
    Abstract: An optical path control member according to an embodiment comprises: a first substrate; a first electrode provided on the upper portion of the first substrate; a second substrate provided on the first substrate; a second electrode provided on the lower portion of the second substrate; and an optical conversion unit provided between the first electrode and the second electrode, wherein the optical conversion unit comprises partition wall parts and accommodation parts which are alternately arranged. The accommodation parts have a light transmission rate that varies according to the application of a voltage, and the accommodation parts comprise a plurality of unit accommodation cells spaced apart from each other, and comprises a dispersion and light-absorbing particles which are dispersed in the dispersion.
    Type: Application
    Filed: September 21, 2020
    Publication date: March 21, 2024
    Inventors: Jong Sik LEE, Byung Sook KIM, Jin Gyeong PARK, In Hae LEE, Young Ju HAN
  • MULTI-COMPONENT HOST MATERIAL AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME
    Publication number: 20240099132
    Abstract: The present invention relates to an organic electroluminescent device comprising at least one light-emitting layer between an anode and a cathode, wherein the light-emitting layer comprises a host and a phosphorescent dopant; the host comprises plural host compounds; at least a first host compound of the plural host compounds has a structure of a nitrogen-containing heterocyclic linker bonded to a nitrogen atom of a carbazole of an indole-carbazole, indene-carbazole, benzofuran-carbazole, or benzothiophene-carbazole residue; and a second host compound has a carbazole-aryl-carbazole or carbazole-carbazole structure. According to the present invention, by using a specific multi-component host different from the conventional organic electroluminescent device, an organic electroluminescent device of significantly improved lifespan is provided.
    Type: Application
    Filed: November 15, 2023
    Publication date: March 21, 2024
    Inventors: Kyoung-Jin PARK, Bitnari KIM, Yoo-Jin DOH, Hyun-Ju KANG, Young-Mook LIM, Su-Hyun LEE, Chi-Sik KIM
  • HIGH VOLTAGE OUTPUT DEVICE HAVING SERIAL-PARALLEL STACKED STRUCTURE OF CAPACITORS
    Publication number: 20240097466
    Abstract: Disclosed is a high voltage output device having a serial-parallel stack structure of capacitors. The high voltage output device includes a substrate includes a capacitor element and a pillar structure provided on an upper surface of the substrate. The substrate includes a first electrode and a second electrode, which have different potentials from each other. The capacitor element is connected to at least one of the first electrode and the second electrode.
    Type: Application
    Filed: November 16, 2023
    Publication date: March 21, 2024
    Applicant: JEISYS MEDICAL INC.
    Inventors: Seung Wook LEE, Seung In KANG, Yeong Gi JEON, Si Youn KIM, Kyu Young SEO, Min Young KIM, Won Ju YI, Dong Hwan KANG
  • aroG Aldolase Variant and Method for Producing Branched Chain Amino Acids by Using Same
    Publication number: 20240093163
    Abstract: The present application relates to an aroG aldolase (phospho-2-dehydro-3-deoxyheptonate aldolase) variant, a microorganism comprising the same, and a method for producing amino acids using the same.
    Type: Application
    Filed: November 18, 2021
    Publication date: March 21, 2024
    Applicant: CJ CHEILJEDANG CORPORATION
    Inventors: Hayun LEE, Ju Eun KIM, Ji Hye LEE, Heeseok LEE, Kyungrim KIM
  • BATTERY PACK HAVING IMPROVED SAFETY
    Publication number: 20240097238
    Abstract: A battery pack is advantageous for effective control and maintenance of thermal events. A battery pack according to one aspect of the present disclosure may include a battery module having one or more battery cells; a fire extinguishing tank holding a fire extinguishing liquid, disposed on top of the battery module and having a through hole formed therein; and a cover member installed in the through hole of the fire extinguishing tank and configured to open or close the through hole according to a change in internal pressure of the fire extinguishing tank.
    Type: Application
    Filed: December 20, 2022
    Publication date: March 21, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jong-Kyu AHN, Ki-Youn KIM, Hyeon-Kyu KIM, Jeong-O MUN, Gi-Dong PARK, Young-Won YUN, Seong-Ju LEE, Jae-Ki LEE
  • ULTRASOUND APPARATUS WITH RECIPROCATING TRANSFER WAY OF TRANSDUCER
    Publication number: 20240091566
    Abstract: An ultrasonic device according to the present disclosure includes a cartridge comprising a transducer configured to generate ultrasonic waves, and a moving device configured to move the transducer, in which the moving device includes a moving main body, a moving block positioned on the moving main body and connected to the transducer and configured to move with the transducer, a moving connection member connected to the moving block, and a screw unit engaged with the moving connection member to allow the moving block to reciprocate, in which the screw unit has a bidirectional screw thread.
    Type: Application
    Filed: November 2, 2021
    Publication date: March 21, 2024
    Inventors: Ju Hwan KIM, Sangjin LEE