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).

  • Publication number: 20200021186
    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: Application
    Filed: October 25, 2018
    Publication date: January 16, 2020
    Applicants: 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
  • Patent number: 10533661
    Abstract: A method for controlling a vehicle installed with an automatic transmission, includes: a sudden stop determination step in which a controller determines whether the vehicle has stopped at a speed greater than or equal to a reference deceleration speed and whether a post-stop elapsed time is within a first reference time; a takeoff determination step in which the controller determines whether an input torque of the transmission exceeds zero within the first reference time when a shift range is in a driving range; a pressure control step in which, when the vehicle takes off, the controller elevates a line pressure of the transmission; a limitation determination step in which if a slippage extent of a turbine exceeds a reference slippage value for a second reference time, the controller limits the takeoff; and a torque reduction step in which the controller reduces a takeoff torque input of the transmission.
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: January 14, 2020
    Assignee: Hyundai Motor Company
    Inventors: Jae Young Choi, Hye Kil Hwang, Sang Don Lee, Woo Suk Choi, Joon Shik Park
  • Publication number: 20200009966
    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: Application
    Filed: October 25, 2018
    Publication date: January 9, 2020
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: JongPil Kim, Sihun Yang, Woo Young Lee
  • Patent number: 10520404
    Abstract: A biomolecule extraction device and method for use thereof are disclosed. The biomolecule extraction device has an insertion part, a body part and at least on discharge port. The insertion port is insertable in a body part, and is configured to fix a sample of collected biomass containing biomolecules. The body part is configured to receive a lyses buffer and contact the surface of the fixed biomass with the lyses buffer to extract the biomolecules from the biomass when the insertion part is inserted in the body part. The at least one discharge part is disposed in the insertion part or the body part for discharging biomass lysate containing the extracted biomolecules.
    Type: Grant
    Filed: July 17, 2014
    Date of Patent: December 31, 2019
    Assignee: L'OREAL
    Inventors: Woo-Young Sim, Yu-Rae Kim, Jae-Jeong Kim, Eun-Ji Lee
  • Patent number: 10516297
    Abstract: A wireless power transmission pad for transmitting wireless power to a reception pad including a secondary coil includes: a rectangular-shaped primary coil having an X-width defined in an x-direction and a Y-width defined in a y-direction and having a central space; a ferrite coupled to the primary coil; and a housing supporting the primary coil and the ferrite. A first cross-sectional area of a first portion including the X-width of the primary coil is smaller than a second cross-sectional area of a second portion including the Y-width of the primary coil.
    Type: Grant
    Filed: March 7, 2017
    Date of Patent: December 24, 2019
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Research & Business Foundation Sungkyunkwan University
    Inventors: Woo Young Lee, Gyu Yeong Choe, Byoung Kuk Lee, Min Kook Kim, Dong Myoung Joo, Jong Eun Byeon, Min Hyuck Kang, Dong Gyun Woo, Min Jung Kim
  • Patent number: 10510658
    Abstract: Semiconductor devices are provided. The semiconductor devices may include a substrate, a first insulating film on the substrate, a lower metal layer in the first insulating film, and a second insulating film on the first insulating film. The lower metal layer may be in the second insulating film, the second insulating film may include a lower surface facing the substrate and an upper surface that is opposite the lower surface, and the upper surface of the second insulating film may be upwardly convex. The semiconductor devices may further include a barrier dielectric film including a recess on the second insulating film, and a via metal layer that is in the recess of the barrier dielectric film and electrically connected with the lower metal layer.
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: December 17, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eui Bok Lee, Deok Young Jung, Sang Bom Kang, Doo-Hwan Park, Jong Min Baek, Sang Hoon Ahn, Hyeok Sang Oh, Woo Kyung You
  • Publication number: 20190377411
    Abstract: A hybrid wave computer that computes an inputted original signal as frequency information includes: an input module configured to separate a frequency of the original signal by detecting an oscillation of an piezoelectric element by each position as the original signal having an embedded frequency of several bands is transmitted in a form of acoustic waves on a substrate provided with the piezoelectric element; a calculation module including at least one vibration amplifier or vibration damper for receiving the frequency of the original signal separated in the input module and amplifying or attenuating a wave for each frequency band to calculate the inputted original signal in a frequency band; and a storage module configured to store binarized frequency information in the calculation module as digital information, so that the original signal is interfaced in a form of waves.
    Type: Application
    Filed: December 8, 2017
    Publication date: December 12, 2019
    Inventors: Sang Cheol LEE, Woo Young JUNG
  • Publication number: 20190377226
    Abstract: A display apparatus includes a light source unit configured to output light, a display panel configured to display an image and including a first substrate, a second substrate facing the first substrate, and a liquid crystal layer disposed between the first substrate and the second substrate, and a diffusion layer provided between the light source unit and the display panel and including scatterers for scattering the light supplied from the light source unit. The diffusion layer has a first concentration area in which the scatterers are provided at a first concentration, and a second concentration area in which the scatterers are provided at a second concentration.
    Type: Application
    Filed: June 4, 2019
    Publication date: December 12, 2019
    Inventors: Jahun KOO, Jinho PARK, Kyung-hun LEE, Ho LEE, Tae-Jong JUN, Woo-young CHEON
  • Publication number: 20190366866
    Abstract: A method for controlling wireless power transfer to an EV using a bridgeless rectifier may include detecting a phase difference between an input voltage of a transmission-side resonance circuit and an output voltage of a reception-side resonance circuit; after detecting the phase difference, predicting a resonance frequency change direction according to a preconfigured design condition; and controlling switching time points of switches included in the bridgeless rectifier in a direction compensating for the predicted change direction.
    Type: Application
    Filed: May 30, 2019
    Publication date: December 5, 2019
    Inventors: Jae Eun Cha, Woo Young Lee, Gyu Yeong Choe, Byoung Kuk Lee, Jong Eun Byun, Sang Joon Ann, Won Jin Son, Jae Han Lee
  • Publication number: 20190369445
    Abstract: A color conversion display panel includes a substrate. A color conversion portion is disposed on the substrate. The color conversion portion includes a semiconductor nanocrystal. A transmission portion is disposed on the substrate. A blue light blocking filter is disposed between the substrate and the color conversion portion. The blue light blocking filter includes a first convex portion that protrudes toward the substrate. The transmission portion includes a first region including a scatterer and a second region including a second convex portion that protrudes toward the substrate.
    Type: Application
    Filed: August 15, 2019
    Publication date: December 5, 2019
    Inventors: JA HUN KOO, KYUNG-HUN LEE, TAE-JONG JUN, WOO-YOUNG CHEON
  • Publication number: 20190366857
    Abstract: A method for performing switching synchronization of a bridgeless rectifier in an electric vehicle (EV) wireless power transfer system may include receiving, by an EV control module, an input voltage of a transmission-side resonance circuit from a transmission-side of the EV wireless power transfer system; calculating, by the EV control module, a phase difference between the received input voltage and a voltage or a current selected in the bridgeless rectifier and a reception-side resonance circuit; and controlling, by an EV control module, switching time points of switches included in the bridgeless rectifier to decrease the calculated phase difference. The reception-side resonance circuit may be electromagnetically coupled to the transmission-side resonance circuit, and the bridgeless rectifier may be configured to rectify an output of the reception-side resonance circuit and to output the rectified output.
    Type: Application
    Filed: May 31, 2019
    Publication date: December 5, 2019
    Inventors: Jae Eun Cha, Woo Young Lee, Gyu Yeong Choe, Byoung Kuk Lee, Jong Eun Byun, Sang Joon Ann, Won Jin Son, Jae Han Lee
  • Publication number: 20190371988
    Abstract: A light emitting diode apparatus is provided. The light emitting diode apparatus includes a wavelength conversion layer, a light emitting diode layer, a light transmission layer, and a sheath layer. The wavelength conversion layer has a first refractive index. The light emitting diode layer includes a base layer arranged on the wavelength conversion layer, and a light emitting structure layer arranged on the base layer. The light transmission layer is arranged on the wavelength conversion layer, surrounds a sidewall of the light emitting diode layer and contacts the sidewall of the light emitting diode layer, and has a second refractive index. The sheath layer is arranged to cover the light emitting diode layer and the light transmission layer, and has a third refractive index less than the second refractive index.
    Type: Application
    Filed: January 31, 2019
    Publication date: December 5, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong Kuk LEE, Dae Young LEE, Moon Sub KIM, Sung Jin AHN, Seung Hwan LEE, Dong Kyun YIM, Woo Seok JANG
  • Patent number: 10494346
    Abstract: The present invention relates to a novel pyrimidine-4-carboxylic acid derivative having an anticancer activity, and the compound thereof is useful as a drug for treating and preventing tumor diseases, wherein the compound is represented by the Formula 1: or a pharmaceutically acceptable salt thereof, wherein: Q is a C6-C15 aryl group; or a C4-C13 heteroaryl group, wherein the heteroaryl contains 1, 2 or 3 heteroatoms substituted with 1-3 heteroatom(s) selected from the group consisting of nitrogen, oxygen or sulfur; R is a halogen; a C1-C10 haloalkyl substituted with 1-13 halogen atom(s); a C1-C10 alkoxy; a 5- or 6-membered heterocycloalkyl or (CH2)r-R1 wherein the heterocycloalkyl contains 1-2 heteroatom(s) selected from the group consisting of nitrogen and oxygen; R1 is a hydrogen; a C1-C10 alkoxy; amino; mono(C1-C10 alkyl)amino; di(C1-C10 alkyl)amino; or —NHC(O)-phenyl; n is 1, 2, 3, 4, 5, or 6; and r is 0, 1, 2, 3, 4, 5, or 6; and m is 0, 1, 2 or 3.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: December 3, 2019
    Assignees: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY, INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY
    Inventors: Tae Bo Sim, Woo Young Hur, Ho Jong Yoon, Chi Man Song, In Jae Shun, Byeong Yun Lim, Han Na Cho, Seung Hye Choi, Gu Kong, Jeong Yeon Lee
  • Publication number: 20190362916
    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: Application
    Filed: December 19, 2017
    Publication date: November 28, 2019
    Applicants: 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
  • Patent number: 10481118
    Abstract: Disclosed are a hydrogen sensor which includes a P-type silicon nanowire array and a hydrogenation catalyst formed on a surface of the nanowire array, and a method of manufacturing the same.
    Type: Grant
    Filed: January 10, 2017
    Date of Patent: November 19, 2019
    Assignee: SHIN SUNG C&T CO., LTD.
    Inventors: Woo Young Lee, Ji Sun Baek, Byung Jin Jang
  • Patent number: 10471170
    Abstract: The present invention relates to an air refining and purifying sterilization module and an air refining and purifying sterilizer including the same, and more particularly, to an air refining and purifying sterilization module and an air refining and purifying sterilizer including the same with excellent sterilization, purification, deodorization, and ventilation performance with respect to various pollutants generated in smoking rooms including tobacco smoke and carbon monoxide and every living spaces as improved catalyst performance. The present invention provides an air purifying sterilizer module in which the photocatalyst unit is formed of an alloy coated metal foam carried with a photocatalytic material and an air purifying sterilizer including the same in the air purifying sterilizer module including a filter unit, a photocatalyst unit, and an ultraviolet lamp.
    Type: Grant
    Filed: November 27, 2015
    Date of Patent: November 12, 2019
    Assignee: PURESYS CO., LTD.
    Inventor: Woo-Young Lee
  • Publication number: 20190336742
    Abstract: The present invention relates to a skin administration system capable of improving the efficiency of skin delivery of an ingredient for controlling release of neurotransmitters and, particularly, to a microneedle containing an ingredient for controlling release of neurotransmitters.
    Type: Application
    Filed: July 19, 2019
    Publication date: November 7, 2019
    Applicant: LG HOUSEHOLD & HEALTH CARE LTD.
    Inventors: Nae-Gyu KANG, Hyun-Jong LEE, Yun-Hee CHANG, Tae-Yoon KIM, Ki-Young KIM, Woo-Sun SHIM
  • Patent number: 10468723
    Abstract: An electrolyte includes an organic solvent and a cyclic ester compound that is substituted with a sulfonate group.
    Type: Grant
    Filed: January 19, 2017
    Date of Patent: November 5, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Hyun Bong Choi, Ae Ran Kim, Mi Young Son, Woo Cheol Shin, Myung Heui Woo, Seung Tae Lee, Ha rim Lee
  • Patent number: 10451835
    Abstract: An actuator of a camera module includes a magnet, a coil facing the magnet, a driver configured to apply a driving signal to the coil to move the magnet in a direction, and a position estimator. The position estimator is configured to convert an oscillation signal into a digital signal in a delta sigma modulation scheme, and estimate the position of the magnet from the digital signal. A frequency of the oscillation signal varies based on a position of the magnet.
    Type: Grant
    Filed: July 12, 2017
    Date of Patent: October 22, 2019
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Woo Young Choi, Soo Woong Lee, Jong Woo Lee, Joo Yul Ko
  • Patent number: D869452
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: December 10, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kuk-Hwan Kim, Kenji Yamauchi, Yong-Sang Jang, Seung-Ho Jung, Woo-Hyeok Jeong, Tae-Joong Kim, Ji-Young Lee