Patents by Inventor Woo-Young Lee

Woo-Young 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: 11125408
    Abstract: A lamp for a vehicle includes a light source unit for emitting light; a lens unit for irradiating the light emitted from the light source unit to exterior; and a shield disposed between the light source unit and the lens unit. The light source unit comprises a first light source module including at least one first light source, and at least one first optical member arranged corresponding to the first light source to emit light from the first light source to the lens unit; and a second light source module disposed above the first light source module, the second light source module including at least one second light source, and at least one second optical member arranged corresponding to the second light source to emit light from the second light source to the lens unit.
    Type: Grant
    Filed: October 15, 2020
    Date of Patent: September 21, 2021
    Assignee: SL Corporation
    Inventors: Woo Yeong Son, Jin Young Jung, Hee Min Lee, Hye Jin Han
  • Patent number: 11097317
    Abstract: Provided is an information providing method of an electronic apparatus. The information providing method includes identifying an operation target set including a plurality of operation cells, identifying at least one operation cell for which item sorting is completed among the plurality of operation cells included in the operation target set, and displaying information on or regarding an operation cell selected based on priority order information from among the identified at least one operation cell.
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: August 24, 2021
    Assignee: Coupang Corp.
    Inventors: Jeong Seok Oh, Ji Young Ko, Sung Eun Kim, Sang Ho Yim, Ji Won Hwang, Woong Kim, Chang Geun Jin, In Woo Park, Seo Kyoung Leem, Eung Soo Lee, Jung Hoi Park, Lianxi Bai
  • Patent number: 11101540
    Abstract: A semiconductor device can comprise a substrate dielectric structure and a substrate conductive structure that traverses the substrate dielectric structure and comprises first and second substrate terminals; an electronic component with a component terminal coupled to the first substrate terminal; and a first antenna element with a first element terminal coupled to the second substrate terminal, a first element head side adjacent a first antenna pattern, a first element base side opposite the first element side, and a first element sidewall. The first element terminal can be exposed from the first element dielectric structure at the first element base side or at the first element sidewall. The first antenna pattern can be coupled to the substrate through the first element terminal. The substrate conductive structure can couple the first antenna element to the electronic component. Other examples and methods are also disclosed.
    Type: Grant
    Filed: October 2, 2019
    Date of Patent: August 24, 2021
    Assignee: Amkor Technology Singapore Holding PTE. LTD.
    Inventors: Kyoung Yeon Lee, Tae Yong Lee, Doo Soub Shin, Seon A Lee, Woo Bin Jung, Ji Yeon Ryu, Jin Young Khim
  • Publication number: 20210213842
    Abstract: A vehicle includes a boost converter configured to bypass or to convert a stack voltage and output the bypassed or converted stack voltage as a first voltage in response to a first control signal, a first switching unit configured to be switched in response to a first switching signal to form a main path to supply the first voltage to a battery, a buck converter configured to convert and output a level of the first voltage to the battery as a second voltage in response to a second control signal, a second switching unit configured to be switched in response to a second switching signal to form a bypass path to supply the second voltage to the battery, and a controller configured to inspect a level of voltage charged in the battery and generate the first and second control signals and the first and second switching signals based thereon.
    Type: Application
    Filed: September 28, 2020
    Publication date: July 15, 2021
    Inventors: Woo Young Lee, Ju Han Kim
  • Patent number: 11049677
    Abstract: The DC interrupting device includes a main current conduction unit including a main interrupting switch, which is a mechanical switch, a reverse current power supply unit connected to an input terminal of the main current conduction unit and configured to generate a predetermined reverse current, and a reverse current conduction unit configured to supply the reverse current to an output terminal of the main current conduction unit. The reverse current power supply unit includes a first reverse current dedicated capacitor charged by a voltage applied to an input terminal of the main current conduction unit, a polarity reversing inductor configured to reverse a polarity of the first reverse current dedicated capacitor, and a reverse current power supply unit switch configured to perform circuit connection such that the polarity reversing inductor reverses the polarity of the first reverse current dedicated capacitor.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: June 29, 2021
    Assignees: KOREA ELECTRO TECHNOLOGY RESEARCH INSTITUTE, LSIS CO., LTD.
    Inventors: Woo Young Lee, Hae Yong Park, Gyeong Ho Lee, Sang Hun Park, Chae Yoon Bae, Jung Wook Sim, Hyun Jae Jang
  • Publication number: 20210178919
    Abstract: Disclosed is a power factor correction circuit including a plurality of legs connected in parallel and each including two switching devices connected in series, a plurality of inductors each having one terminal connected to an interconnection node of the two switching devices in a corresponding one of the legs, and a controller configured to control on/off states of the switching devices in a pulse width modulation manner such that each of the inductors is built up twice or more in one switching period of the switching devices when an alternating current (AC) voltage is input to the other terminal of each of the inductors.
    Type: Application
    Filed: July 8, 2020
    Publication date: June 17, 2021
    Inventors: In Yong Yeo, Woo Young Lee, Gyu Yeong Choe, Jin Young Yang, Ji Han Lee, Si Hun Yang, Young Jin Kim, Min Seong Choi, Jong Pil Kim
  • Patent number: 11025161
    Abstract: Disclosed are an electric vehicle capable of improving the charging efficiency of a charging apparatus by reducing the switching loss that may occur in the charging apparatus of an electric vehicle and a charging apparatus thereof. To this end, a power factor correction apparatus of an on board charger includes a first boost circuit receiving AC power through a first inductor to charge a load, a second boost circuit receiving the AC power through a second inductor to charge the load, and a third inductor provided between a leg of the first boost circuit and a leg of the second boost circuit so that parasitic capacitors of the first boost circuit and the second boost circuit are discharged.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: June 1, 2021
    Assignees: Hyundai Motor Company, KIA Motors Corporation, Korea Advanced Institute of Science and Technology
    Inventors: JongPil Kim, Jaehyuk Choi, Woo Young Lee, HanShin Youn, Gun-Woo Moon, Jae-Ii Baek, Jung-Kyu Han, Moo-Hyun Park
  • Publication number: 20210154153
    Abstract: Disclosed is a percutaneous absorption formulation containing melatonin which is a pharmacologically active substance useful for treating insomniac patients and sleep disorder patients.
    Type: Application
    Filed: October 27, 2017
    Publication date: May 27, 2021
    Inventors: Jung Sik LEE, Sun Ho LEE, Mun Seok HAN, Woo Young LEE, Sang Lin KIM, Han Ki KIM
  • Patent number: 10974608
    Abstract: A method for selectively performing a full bridge control and a half bridge control in a WPT system using an LCCL-S resonant network may include: performing the full bridge control by controlling the switches not connected in series of the full bridge inverter to operate simultaneously; calculating a coupling coefficient of the WPT system; determining whether it is possible to switch the full bridge control to the half bridge control based on the calculated coupling coefficient; in response to determining that it is possible to switch the full bridge control to the half bridge control, calculating a load of the WPT system; and performing the half bridge control for the full bridge inverter based on the calculated load.
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: April 13, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Research & Business Foundation Sungkyunkwan University
    Inventors: Jae Eun Cha, Gyu Yeong Choe, Woo Young Lee, Jong Eun Byun, Min Kook Kim, Sang Joon Ann, Byoung Kuk Lee, Dong Myoung Joo
  • Publication number: 20210101494
    Abstract: Disclosed herein is a battery charger for electric vehicle includes a motor configured to generate power for driving the electric vehicle, an inverter configured to provide the power to the motor, an AC power input terminal configured to be input at least one AC power of single phase AC power and polyphaser AC power from a slow charger, a power factor corrector configured to include a plurality of full bridge circuits through which the AC power is input through the AC power input terminal, a link capacitor configured to connect in parallel with the power factor corrector, a switch network configured to include a first switch SW A provided to connect any one of a plurality of AC power input lines and a neutral line constituting the AC power input terminal with the power factor corrector, and a second switch provided to transfer one of a direct current power input from a quick charger and an alternating current power input from a slow charger to a high voltage battery and a controller configured to control the
    Type: Application
    Filed: February 27, 2020
    Publication date: April 8, 2021
    Inventors: Woo Young LEE, Sihun YANG, Jin Myeong YANG, Jongpil KIM
  • Patent number: 10971998
    Abstract: A charging apparatus for an electric vehicle is provided. The apparatus includes an AC power input terminal receiving one AC input power from among single-phase AC power and multi-phase AC power. A power factor corrector having full bridge circuits receives the AC input power through the AC power input terminal. A link capacitor is charged through the power factor corrector. A first switch connects any one of an AC power input line and a neutral line of the AC power input terminal to the power factor corrector and a second switch selectively connects the AC power input terminal to the power factor corrector, or the link capacitor. The power factor corrector and the switch network operate based on a condition of received AC input power. The second switch includes a third switch and a fourth switch that connect each full bridge circuit to a positive battery electrode.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: April 6, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Jongpil Kim, Woo Young Lee, Gyu Yeong Choe, Hyun-Wook Seong, JinYoung Yang, Jung Hong Joo, DongGyun Woo, Dong Sup Ahn, Hyung Bin Ihm, Youngkook Lee, Jin Hwan Jung, SeungHyun Han, Sihun Yang
  • Patent number: 10960778
    Abstract: A wireless power reception apparatus including a bridgeless rectifier in a wireless power transfer (WPT) system for an electric vehicle (EV) may include: a bridgeless rectifier configured to rectify power transferred from a reception coil and to supply a direct current to a battery mounted in the EV; and a controller configured to control operation of the bridgeless rectifier. The bridgeless rectifier may include at least one switch and at least one diode connected to the at least one switch.
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: March 30, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Research & Business Foundation Sungkyunkwan University
    Inventors: Woo Young Lee, Jae Eun Cha, Gyu Yeong Choe, Jong Pil Kim, Min Jung Kim, Jong Eun Byun, Min Kook Kim, Sang Joon Ann, Byoung Kuk Lee
  • Publication number: 20210078422
    Abstract: A system of charging a battery of a vehicle is provide. The system includes a charger having a DC capacitor to which a DC voltage converted from an AC charge voltage is applied and a first DC converter that converts the magnitude of a voltage of the DC capacitor. A first battery is connected to the first DC converter and is charged with a DC voltage converted by the first DC converter. A second DC converter is connected to the battery and converts a magnitude of a voltage of the battery. A second battery receives a DC voltage converted by the second DC converter. A controller charges the DC capacitor up to a predetermined initial charge voltage using power stored in the second battery by operating the second DC converter and the first DC converter in a backward direction before the AC charge voltage is provided to the charger.
    Type: Application
    Filed: November 11, 2019
    Publication date: March 18, 2021
    Inventors: Dae Woo Lee, Min Seong Choi, In Yong Yeo, Tae Jong Ha, Jin Myeong Yang, Woo Young Lee
  • Patent number: 10862539
    Abstract: A reception pad for a wireless power transfer (WPT) system includes: a plate-shaped ferrite; an insulating layer disposed on one side of the ferrite; a first coil layer disposed on the insulating layer; an interlayer insulating layer disposed on the first coil layer; and a second coil layer disposed on the interlayer insulating layer. The insulating layer at least partially surrounds the first coil layer and the second coil layer, the first coil layer and the second coil layer at least partially overlap each other and are arranged in a rectangular ring form on the one side of the ferrite, and a ratio of a width which is larger between a first width of the first coil layer and a second width of the second coil layer to a first length of the ferrite in a width direction corresponding to the first width or the second width is 0.14 to 0.15.
    Type: Grant
    Filed: October 12, 2017
    Date of Patent: December 8, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Research & Business Foundation Sungkyunkwan University
    Inventors: Woo Young Lee, Gyu Yeong Choe, Min Jung Kim, Min Kook Kim, Jong Eun Byeon, Min Hyuck Kang, Dong Gyun Woo, Byoung Kuk Lee, Dong Myoung Joo
  • Patent number: 10819162
    Abstract: A method for detecting a foreign object between a transmission pad and a reception pad for wireless power transfer (WPT) may comprise steps of performing a zero phase angle (ZPA) control for a power transfer converter included in or connected to the transmission pad; detecting a characteristic parameter with respect to at least one of an input current and a switching frequency of the power transfer converter; and determining whether or not a foreign object exists between the transmission pad and the reception pad according to whether the characteristic parameter with respect to at least one of the input current and the switching frequency deviates from an allowable range.
    Type: Grant
    Filed: February 26, 2018
    Date of Patent: October 27, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Research & Business Foundation Sungkyunkwan University
    Inventors: Woo Young Lee, Gyu Yeong Choe, Jae Eun Cha, Byoung Kuk Lee, Min Kook Kim, Min Jung Kim, Dong Myoung Joo, Jong Eun Byun
  • Patent number: 10807488
    Abstract: A charging apparatus for an electric vehicle is disclosed. The charging apparatus includes an AC power input stage receiving at least one AC input power from among single-phase AC power and multi-phase AC power, a power factor corrector having full bridge circuits receiving AC input power, a link capacitor charged through the power factor corrector, a switch network having a first switch connecting any one of an AC power input line and a neutral line of the AC power input stage to the power factor corrector and at least one second switch connecting the AC power input stage to the power factor corrector or the link capacitor, and a controller controlling the power factor corrector and the switch network according to AC input power condition. The second switch includes switches selectively connecting at least one full bridge circuit to a positive(+) electrode of a battery.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: October 20, 2020
    Assignees: Hyundai Motor Company, KIA Motors Corporation
    Inventors: JongPil Kim, Sihun Yang, Woo Young Lee
  • Patent number: 10804749
    Abstract: A method for detecting a foreign object between a transmission pad and a reception pad for wireless power transfer (WPT) may comprise: performing, by a processor, a zero phase angle (ZPA) control for a power transfer converter included in or connected to the transmission pad; detecting, by the processor, a phase difference between an input current and an input voltage of the power transfer converter; and determining, by the processor, whether or not the foreign object exists between the transmission pad and the reception pad by comparing the phase difference with a reference value.
    Type: Grant
    Filed: March 8, 2018
    Date of Patent: October 13, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Research & Business Foundation Sungkukwan University
    Inventors: Woo Young Lee, Gyu Yeong Choe, Jae Eun Cha, Min Jung Kim, Byoung Kuk Lee, Min Kook Kim, Sang Joon Ann, Jong Eun Byun
  • Patent number: 10793015
    Abstract: A charging apparatus for an electric vehicle is provided. The apparatus charges a vehicle battery upon receiving power from different power sources. The apparatus includes a motor generating power to drive the electric vehicle and an inverter supplying power to the motor. An AC power input terminal receives at least one of single-phase AC power and multi-phase AC power. A power factor corrector having a single three-leg half bridge circuit receives the AC input power through the AC power input terminal. A link capacitor is charged through a combination of the power factor corrector, the motor, and the inverter. A switch network has at least one switch for selectively connecting the AC power input terminal to the power factor corrector, the link capacitor, the motor, or the inverter. A controller operates the power factor corrector, the switch network, and the inverter based on a condition of received AC input power.
    Type: Grant
    Filed: August 20, 2018
    Date of Patent: October 6, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Sihun Yang, Jongpil Kim, Youngjin Kim, JinYoung Yang, Jin Myeong Yang, Woo Young Lee
  • Publication number: 20200313441
    Abstract: The present invention relates to a bidirectional on-board charger and a method of controlling the same. The bidirectional on-board charger according to the present invention includes: an input power source which is a power source of a charging control system; a power factor corrector (PFC) which is connected to the input power source; a DC/DC circuit which is connected to the power factor corrector and includes a switching unit and an output terminal; a first switch which is On/Off controlled to connect any one of a first line for connecting the input power source and the power factor corrector and a second line for connecting the power factor corrector and an output terminal of the DC/DC circuit; and a second switch which is disposed between the switching unit and the output terminal of the DC/DC circuit and On/Off controlled. According to the present invention, there is an advantage in that a bidirectional power transfer is enabled only by adding the two switches to an OBC circuit in the related art.
    Type: Application
    Filed: November 25, 2019
    Publication date: October 1, 2020
    Inventors: Si-Hun Yang, Jong-Pil Kim, Jin-Young Yang, Jin-Myeong Yang, Woo-Young Lee
  • Patent number: 10744898
    Abstract: A motor driving and battery charging apparatus is provided. The apparatus includes a motor having a plurality of coils, a rectifier circuit connected to the plurality of coils, and a high voltage battery. An inverter generates a driving current from an output voltage of the high voltage battery and supplies the driving current to the motor while the motor operates. While the high voltage battery is charged, the rectifier circuit rectifies an alternating current (AC) of an external power source, the motor and the inverter compensate for a power factor of the current rectified by the rectifier circuit, and the high voltage battery is charged with an output current of the motor and the inverter.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: August 18, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Jin Myeong Yang, Woo Young Lee, Jun Ho Kim, Sihun Yang, Youngjin Kim, Jae Eun Cha, Dae Woo Lee, Inyong Yeo