Patents by Inventor Tae Lee

Tae 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).

  • Patent number: 11736008
    Abstract: The present invention relates to a multi-power supply device capable of controlling a sequence, and more particularly, to a multi-power supply device capable of controlling a sequence for a circuit in which two or more power sources are supplied from the outside and when one of the power sources has a problem so that the power is not supplied to an internal block, an internal voltage is stably supplied from another power source.
    Type: Grant
    Filed: February 16, 2023
    Date of Patent: August 22, 2023
    Assignee: Power LSI Co. ltd
    Inventors: Won Tae Lee, Won Ji Lee, Chang Sik Shin, Chuen Sik Jung, Gyu Won Lee
  • Patent number: 11736002
    Abstract: The present invention relates to an adaptive soft start and soft stop device for a converter, and more particularly, provides an adaptive soft start and soft stop device for a converter which controls a final output voltage to be increased or decreased with a predetermined gradient by increasing a duty at a predetermined rate or increases a frequency during a start period using an input voltage Vin and an output voltage Vo and decreasing the duty at a predetermined rate or decreases a frequency during a stop period.
    Type: Grant
    Filed: June 28, 2021
    Date of Patent: August 22, 2023
    Assignee: Power LSI Co. ltd
    Inventors: Won Tae Lee, Won Ji Lee, Chang Sik Shin, Chuen Sik Jung, Gyu Won Lee
  • Patent number: 11728125
    Abstract: There is provided an ultrafast electron diffraction apparatus including: a photoelectron gun configured to emit an electron beam; a bending portion for emitting the electron beam emitted from the photoelectron gun by changing a travel direction of the electron beam by a predetermined angle; and a sample portion including a sample to be analyzed by the electron beam emitted from the bending portion. The electron beam reaches the sample portion in a state that a pulse of the electron beam is compressed and the timing jitter between the pumping light and probe electron pulse is completely reduced as the travel direction of the electron beam is changed by the predetermined angle through the bending portion.
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: August 15, 2023
    Assignee: Korea Atomic Energy Research Institute
    Inventors: Young Uk Jeong, Nikolay Vinokurov, Hyun Woo Kim, Ki Tae Lee, Kyuha Jang, Inhyung Baek
  • Publication number: 20230253682
    Abstract: A bus bar including a bar-shaped conductor for electrically connecting battery modules or electric parts to each other, the bus bar having a three-dimensional lattice structure to allow air ventilation and including a plurality of ventilation holes provided in a body of the bus bar. In detail, the body of the bus bar may be provided in a bar shape having a predetermined length, thickness, and width, and the plurality of ventilation holes may be provided in an upper surface, lower surface, left side surface, right side surface, front surface, and back surface of the body and provided to communicate with each other through an inner portion of the body.
    Type: Application
    Filed: July 12, 2021
    Publication date: August 10, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Sung-Tack Hwang, Won-Tae Lee
  • Publication number: 20230238643
    Abstract: An energy storage system includes at least one battery rack and an anti-explosion housing hermetically accommodating the at least one battery rack to increase fire or explosion safety of the battery rack.
    Type: Application
    Filed: March 23, 2022
    Publication date: July 27, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Sang-Woo HONG, Hyun-Min LEE, Dong-Ho PARK, Ji-Ho YOO, Yong-Tae LEE, Jong-Soo LEE, Ji-Won LEE
  • Publication number: 20230238595
    Abstract: Disclosed is a photovoltaic-electrochromic-battery all-in-one device in which the functions of a dye-sensitized solar cell, an electrochromic device, and a lithium secondary battery are fused into one device. The all-in-one device according to the disclosure includes a photoelectrode uses as an active layer of a dye-sensitized solar cell (DSSC), a counter electrode used as an electrochromic layer opposite to the photoelectrode, and an electrolyte containing a lithium salt. The all-in-one device according to the disclosure allows the function of the DSSC that generates electrons by receiving solar energy, the function of an electrochromic device (ECD) that blocks light by discoloring an electrode with generated electrons, and the function of a lithium secondary battery (LIB) that stores generated electrons and uses the stored electrons again to be all implemented by one device.
    Type: Application
    Filed: April 27, 2021
    Publication date: July 27, 2023
    Inventors: Ki Tae Lee, Yoon Tae Park
  • Publication number: 20230231469
    Abstract: The present invention relates to an adaptive soft start and soft stop device for a converter, and more particularly, provides an adaptive soft start and soft stop device for a converter which controls a final output voltage to be increased or decreased with a predetermined gradient by increasing a duty at a predetermined rate or increases a frequency during a start period using an input voltage Vin and an output voltage Vo and decreasing the duty at a predetermined rate or decreases a frequency during a stop period.
    Type: Application
    Filed: June 28, 2021
    Publication date: July 20, 2023
    Inventors: Won Tae LEE, Won Ji LEE, Chang Sik SHIN, Chuen Sik JUNG, Gyu Won LEE
  • Patent number: 11707005
    Abstract: A chalcogenide material may include germanium (Ge), arsenic (As), selenium (Se) and from 0.5 to 10 at % of at least one group 13 element. A variable resistance memory device may include a first electrode, a second electrode, and a chalcogenide film interposed between the first electrode and the second electrode and including from 0.5 to 10 at % of at least one group 13 element. In addition, an electronic device may include a semiconductor memory. The semiconductor memory may include a column line, a row line intersecting the column line, and a memory cell positioned between the column line and the row line, wherein the memory cell comprises a chalcogenide film including germanium (Ge), arsenic (As), selenium (Se), and from 0.5 to 10 at % of at least one group 13 element.
    Type: Grant
    Filed: April 22, 2020
    Date of Patent: July 18, 2023
    Assignee: SK hynix Inc.
    Inventors: Gwang Sun Jung, Sang Hyun Ban, Jun Ku Ahn, Beom Seok Lee, Young Ho Lee, Woo Tae Lee, Jong Ho Lee, Hwan Jun Zang, Sung Lae Cho, Ye Cheon Cho, Uk Hwang
  • Publication number: 20230215793
    Abstract: A semiconductor package includes: a semiconductor chip including a front end of line (FEOL) layer and a first back end of line (BEOL) layer disposed on the FEOL layer; and a printed circuit board including a wiring layer and a second BEOL layer disposed on the wiring layer, wherein the semiconductor chip is mounted on the printed circuit board so that the first and second BEOL layers are connected to each other while facing each other, and the second BEOL layer includes a wiring for power transmission.
    Type: Application
    Filed: May 13, 2022
    Publication date: July 6, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yun Tae Lee, Jin Won Lee
  • Publication number: 20230207878
    Abstract: An electrolyte composition and a lithium secondary battery including the same are disclose herein. The electrolyte composition has improved high temperature safety. In some embodiments, the electrolyte composition includes an additive including a compound represented by Formula 1. Each R1 is independently a single bond, an alkylene group having 1 to 10 carbon atoms, or each R2 is independently a double or triple bond including 2 carbon atoms, each R3 is independently hydrogen or an alkyl group having 1 to 4 carbon atoms, and a is an integer of 1 to 10. The additive may reinforce an SEI layer on the surface of an electrode, thereby having advantages of improved storage and lifetime characteristics at a high temperature and a decreased amount of gas generated in the battery.
    Type: Application
    Filed: December 13, 2022
    Publication date: June 29, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Kyoung Ho Ahn, Won Tae Lee, Jun Hyeok Han, Su Hyeon Ji, Chul Haeng Lee, Won Kyung Shin, Young Ho Oh, You Kyeong Jeong
  • Publication number: 20230198106
    Abstract: The present invention relates to a battery cell including an electrode assembly including a plurality of electrode plates and at least one separator interposed between the plurality of electrode plates, a case configured to receive the electrode assembly, electrode tabs formed at the electrode plates so as to protrude and extend therefrom, and an electrode lead joined to the electrode tabs while being electrically connected to the outside, wherein each of the electrode tabs includes a first tab portion connected to a corresponding one of the electrode plates and a second tab portion extending from the first tab portion, the electrode lead being joined to the second tab portion, and the first tab portion is provided with a stress relief portion configured to reduce stress in the electrode tab.
    Type: Application
    Filed: August 25, 2021
    Publication date: June 22, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Gil Sang Son, Dong Yeon Kim, Yong Tae Lee, Dal Mo Kang, Jung Koo Kang, Myung Hoon Ko, Jin Hak Kong
  • Publication number: 20230198369
    Abstract: The present invention relates a low power control device using a sleep timer, and more particularly, to a low power control device using a controllable sleep timer which disables each component of a circuit while discharging an output voltage Vo using a control signal of a sleep timer in which a width of an OFF signal is larger than a width of an ON signal in a light load state and sequentially enables each component of the circuit while charging the output voltage in a predetermined order to minimize power consumption according to a loading level of a load.
    Type: Application
    Filed: February 16, 2023
    Publication date: June 22, 2023
    Inventors: Won Tae LEE, Won Ji LEE, Chang Sik SHIN, Chuen Sik JUNG, Gyu Won LEE
  • Publication number: 20230198391
    Abstract: The present invention relates to a multi-power supply device capable of controlling a sequence, and more particularly, to a multi-power supply device capable of controlling a sequence for a circuit in which two or more power sources are supplied from the outside and when one of the power sources has a problem so that the power is not supplied to an internal block, an internal voltage is stably supplied from another power source.
    Type: Application
    Filed: February 16, 2023
    Publication date: June 22, 2023
    Inventors: Won Tae LEE, Won Ji LEE, Chang Sik SHIN, Chuen Sik JUNG, Gyu Won LEE
  • Publication number: 20230198245
    Abstract: The present invention relates to a battery disconnect unit including a fuse connected to a battery pack, the fuse being configured to interrupt overcurrent of the battery pack, at least one sensor configured to measure voltage or current of the battery pack, at least one relay configured to connect or disconnect the battery pack and the load to or from each other based on a value of the voltage or the current measured by the sensor, a housing configured to allow the fuse, the sensor, and the relay to be mounted therein, and a moving plate configured to fix the relay and the sensor to the housing, the position of the moving plate being changeable depending on sizes of the relay and the sensor.
    Type: Application
    Filed: June 17, 2021
    Publication date: June 22, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Sung Tack Hwang, Won Tae Lee, Jae Hyuk Cha
  • Publication number: 20230178822
    Abstract: An energy system includes a battery rack having a battery cell and having a cooling channel for cooling the battery cell, a coolant tank having a predetermined coolant, a pipe configured to circulate the coolant between the battery rack and the coolant tank, and a pump configured to adjust the supply of the coolant to the battery rack.
    Type: Application
    Filed: September 13, 2021
    Publication date: June 8, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Dong-Ho PARK, Ji-Ho YOO, Seung-Jun LEE, Yong-Tae LEE, Jong-Soo LEE, Sang-Woo HONG
  • Publication number: 20230170590
    Abstract: Disclosed is a battery cell having an electrode tab with an enhanced safety, and a battery module, a battery pack and a vehicle including the same. The battery cell includes an electrode assembly including a cell body and an electrode tab provided to at least one of both sides of the cell body, a cell case configured to accommodate the electrode assembly therein, an electrode lead drawn out of the cell case by a predetermined length and connected to the electrode assembly through the electrode tab, and a tab protection module accommodated in the cell case and configured to cover at least a part of the electrode tab.
    Type: Application
    Filed: August 30, 2022
    Publication date: June 1, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Kyoung-Soon Yoon, Myung-Hoon Ko, Dong-Myung Kim, Seok-Je Kim, Seung-Byung Lee, Yong-Tae Lee, Hyun-Sang Lee
  • Patent number: 11658537
    Abstract: Provided are a motor and an electric pump having the same, the motor including: a stator having a center made hollow to vertically pass through its opposite surfaces; a rotor which is disposed to be spaced apart from an inner surface of the stator, and into which a drive shaft is inserted to its center; a terminal block including a frame coupled to an upper side of the stator, ribs extending radially inward from the frame, and a ring portion which is coupled to the ribs and into which an upper side of the drive shaft of the rotor is rotatably inserted; and a terminal coupled to the terminal block and electrically connected to the coil of the stator, wherein the terminal may be easily coupled to the coil of the stator included in the motor, and the stator and the rotor may be easily aligned with each other.
    Type: Grant
    Filed: November 24, 2020
    Date of Patent: May 23, 2023
    Assignee: COAVIS
    Inventors: Hyun Tae Lee, Gyu Sang Yu, Woo Keun Lee
  • Publication number: 20230152453
    Abstract: An optical phased array device for a LIDAR sensor includes: a light source configured to irradiate a laser beam having a predetermined wavelength band; an input waveguide through which the laser beam irradiated from the light source passes; a slab waveguide disposed at an output end of the input waveguide to branch an optical signal input from the input waveguide; and a channel waveguide configured to distribute and guide the optical signal, branched by the slab waveguide, to M channels and to radiate the optical signal onto a free space. The channel waveguide may include a silia optical waveguide disposed for each of the M channels, and a length of each of the optical waveguides has a length difference ?L from an adjacent waveguide.
    Type: Application
    Filed: January 17, 2023
    Publication date: May 18, 2023
    Inventors: Yong Tae LEE, Mid Eum BAEK, Chang Su LEE, Hyo-Hoon PARK, Hyeonho YOON, Jae-Yong KIM
  • Patent number: 11644152
    Abstract: Disclosed is a gas injection apparatus which measures and displays a gas amount supplied to a radiosonde instrument. The gas injection apparatus includes: a body which includes an inlet port through which the gas is introduced from the storage tank, a flow passage through which the gas introduced from the inlet port flows, and an outlet port through which the gas passing through the flow passage is discharged; a valve which opens/closes the flow passage, and a flow meter which is installed in the body and is configured to measure and display the flow rate of the gas supplied to the instrument.
    Type: Grant
    Filed: August 31, 2022
    Date of Patent: May 9, 2023
    Assignee: REPUBLIC OF KOREA (National Institute of Meteorological Sciences)
    Inventors: Sung Eun Hwang, Byeong Taek Kim, Young Tae Lee, Ki Hoon Kim
  • Patent number: 11643343
    Abstract: A water treatment system and a ballast water treatment method. A ballast water treatment system according to an embodiment of the present invention comprises: a first ballast water supply pipe for receiving a supply of ballast water from a first sea chest positioned in a non-explosion-proof area of a ship; an electrolytic bath for electrolyzing the ballast water supplied from the first ballast water supply pipe; a second ballast water supply pipe for receiving a supply of ballast water from a second sea chest, which is positioned in an explosion-proof area of the ship, and supplying the ballast water to a ballast tank of the ship; a filter provided to the second ballast water supply pipe so as to filter the ballast water passing through the second ballast water supply pipe; and a third ballast water supply pipe connected to the second ballast water supply pipe so as to supply the ballast water, which has been electrolyzed from the electrolytic bath, to the ballast water which has passed through the filter.
    Type: Grant
    Filed: November 4, 2021
    Date of Patent: May 9, 2023
    Assignee: HANLAIMS CO., LTD
    Inventors: Suk-joon Ji, Young-gu Kim, Hoi-young Yang, Chang-kook Kim, Jong-min Chung, Chung-il Kim, Jun-tae Lee, Kyoung-yup Kim