Patents by Inventor Sung Woo Hwang

Sung Woo Hwang 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: 11994652
    Abstract: A polarizing plate and an optical display including the same are provided. The polarizing plate is composed of a display region and a non-display region surrounding the display region, and includes: a polarizer; and a bonding layer and a first polarizer protective film sequentially stacked on an upper surface of the polarizer. A light shielding layer includes a UV absorbent material and is embedded in the bonding layer to constitute at least a portion of the non-display region. The light shielding layer is formed on at least one surface of the first polarizer protective film.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: May 28, 2024
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Ji Hyun Hwang, Yoo Jin Kim, Jin Woo Kim, Dong Yoon Shin, Bae Wook Lee, Sung Man Cho
  • Patent number: 11987740
    Abstract: Provided are a silicon nitride film etching composition, a method of etching a silicon nitride film using the same, and a manufacturing method of a semiconductor device. Specifically, a silicon nitride film may be highly selectively etched as compared with a silicon oxide film, and when the composition is applied to an etching process at a high temperature and a semiconductor manufacturing process, not only no precipitate occurs but also anomalous growth in which the thickness of the silicon oxide film is rather increased does not occur, thereby minimizing defects and reliability reduction.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: May 21, 2024
    Assignee: ENF Technology Co., Ltd.
    Inventors: Dong Hyun Kim, Hyeon Woo Park, Sung Jun Hong, Myung Ho Lee, Myung Geun Song, Hoon Sik Kim, Jae Jung Ko, Myong Euy Lee, Jun Hyeok Hwang
  • Patent number: 11976039
    Abstract: Method of producing aromatic hydrocarbons including: supplying a raw material stream to a C6 separation column, supplying an upper discharge stream from the C6 separation column to a first gasoline hydrogenation unit, and supplying a lower discharge stream from the C6 separation column to a C7 separation column; supplying an upper discharge stream from the C7 separation column to a hydrodealkylation reaction unit and supplying a lower discharge stream from the C7 separation column to a C8 separation column; separating benzene from discharged streams from the first gasoline hydrogenation unit and the hydrodealkylation reaction unit; removing a lower discharge stream from the C8 separation column and supplying an upper discharge stream from the C8 separation column to a second extractive distillation column; and separating styrene from a lower discharge stream of the second extractive distillation column and separating xylene from an upper discharge stream of the second extractive distillation column.
    Type: Grant
    Filed: November 9, 2020
    Date of Patent: May 7, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Sung June Hwang, Tae Woo Kim, Sung Kyu Lee
  • Publication number: 20240136613
    Abstract: Disclosed are a battery pack and a vehicle comprising the same. The battery pack according to an embodiment of the present disclosure includes a battery module including a plurality of battery cells; a case in which the battery module is received; and a busbar unit connected to the battery module, wherein the busbar unit is used for electrical connection and heat dissipation.
    Type: Application
    Filed: July 10, 2022
    Publication date: April 25, 2024
    Inventors: Sun-Woo YUN, Sung-Tack HWANG
  • Publication number: 20240136487
    Abstract: A light emitting diode module is disclosed. The light emitting diode module includes: a plurality of printed circuit boards; a light emitting diode package disposed on any one of the plurality of printed circuit boards; a driving chip disposed on another printed circuit board among the plurality of printed circuit boards on which the light emitting diode package is not disposed; and a connector connecting the plurality of printed circuit boards to one another.
    Type: Application
    Filed: August 20, 2023
    Publication date: April 25, 2024
    Inventors: Meen Woo KWAK, Sung Ki HWANG
  • Publication number: 20240135876
    Abstract: A display device includes a display panel including pixels in one pixel column and a gate driver for sequentially providing scan signals to the pixels. Each of the pixels includes a light emitting element, a first transistor for controlling a current amount of driving current flowing through the light emitting element and a second transistor for transferring a data signal to a gate electrode of the first transistor in response to a corresponding scan signal among the scan signals. A first pixel among the pixels is electrically connected to a first data line, and a second pixel adjacent to the first pixel among the pixels is electrically connected to a second data line different from the first data line. A second scan signal provided to the second pixel partially overlaps with a first scan signal provided to the first pixel.
    Type: Application
    Filed: October 6, 2023
    Publication date: April 25, 2024
    Inventors: Min Woo BYUN, Min Joo KIM, Seon I JEONG, Chae Han HYUN, Sung Chan HWANG
  • Publication number: 20240125989
    Abstract: The present invention provides an optical filter for its use. In the present invention, it is possible to provide an optical filter that effectively blocks ultraviolet ray and infrared ray and exhibits high transmittance in visible light. Furthermore, it is possible to provide an optical filter where the transmission characteristics are stably maintained even when an incident angle is changed. Moreover, it is possible to provide an optical filter that does not exhibit problems such as ripple, petal flare, and curl.
    Type: Application
    Filed: September 29, 2023
    Publication date: April 18, 2024
    Inventors: Joon Ho JUNG, Seon Ho YANG, Sung Min HWANG, Choon Woo JI, Yang Ho KWON
  • Publication number: 20240125990
    Abstract: The provided is an optical filter for its use. In the present invention, it is possible to provide an optical filter that effectively blocks ultraviolet ray and infrared ray and exhibits high transmittance in visible light. Furthermore, it is possible to provide an optical filter where the transmission characteristics are stably maintained even when an incident angle is changed. Moreover, it is possible to provide an optical filter that does not exhibit problems such as ripple and petal flare, and thus to provide the optical filter with excellent durability.
    Type: Application
    Filed: October 2, 2023
    Publication date: April 18, 2024
    Inventors: Joon Ho JUNG, Seon Ho YANG, Sung Min HWANG, Choon Woo JI, Sung Yong MOON
  • Publication number: 20240125988
    Abstract: The present invention provides an optical filter for its use. In the present invention, it is possible to provide an optical filter that effectively blocks ultraviolet ray and infrared ray and exhibits high transmittance in visible light. Furthermore, it is possible to provide an optical filter where the transmission characteristics are stably maintained even when an incident angle is changed. Moreover, it is possible to provide an optical filter that does not exhibit problems such as ripple or petal flare.
    Type: Application
    Filed: September 28, 2023
    Publication date: April 18, 2024
    Inventors: Joon Ho JUNG, Seon Ho YANG, Sung Min HWANG, Choon Woo JI, Tae Jin SONG
  • Patent number: 11961223
    Abstract: An apparatus for predicting performance of a wheel in a vehicle: includes a learning device that generates a latent space for a plurality of two-dimensional (2D) wheel images based on a convolutional autoencoder (CAE), extracts a predetermined number of the plurality of 2D wheel images from the latent space, and learns a dataset having the plurality of 2D wheel images and performance values corresponding to the plurality of 2D wheel images; and a controller that predicts performance for the plurality of 2D wheel images based on a performance prediction model obtained by the learning device.
    Type: Grant
    Filed: April 20, 2021
    Date of Patent: April 16, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, SOOKMYUNG WOMEN'S UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Jong Ho Park, Chang Gon Kim, Chul Woo Jung, Sang Min Lee, Min Kyoo Kang, Ji Un Lee, Kwang Hyeon Hwang, Nam Woo Kang, So Young Yoo, Seong Sin Kim, Sung Hee Lee
  • Patent number: 11939505
    Abstract: Provided are a silicon nitride film etching composition, a method of etching a silicon nitride film using the same, and a manufacturing method of a semiconductor device. Specifically, a silicon nitride film may be stably etched with a high selection ratio relative to a silicon oxide film, and when the composition is applied to an etching process at a high temperature and a semiconductor manufacturing process, not only no precipitate occurs but also anomalous growth in which the thickness of the silicon oxide film is rather increased does not occur, thereby minimizing defects and reliability reduction.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: March 26, 2024
    Assignee: ENF Technology Co., Ltd.
    Inventors: Dong Hyun Kim, Hyeon Woo Park, Sung Jun Hong, Myung Ho Lee, Myung Geun Song, Hoon Sik Kim, Jae Jung Ko, Myong Euy Lee, Jun Hyeok Hwang
  • Publication number: 20240079413
    Abstract: A complementary thin film transistor (TFT) includes a substrate and a first TFT and a second TFT disposed on the substrate, wherein a first conductive semiconductor layer of the first TFT and a second gate electrode layer of the second TFT are disposed in the same layer and include the same material.
    Type: Application
    Filed: August 31, 2023
    Publication date: March 7, 2024
    Inventors: Himchan OH, Jong-Heon YANG, Ji Hun CHOI, Seung Youl KANG, Yong Hae KIM, Jeho NA, Jaehyun MOON, Chan Woo PARK, Sung Haeng CHO, Jae-Eun PI, Chi-Sun HWANG
  • Patent number: 11876413
    Abstract: The present disclosure in some embodiment provides a hybrid induction motor including dual stators. According to at least one embodiment, the present disclosure provides a hybrid induction motor including a hollow rotor including a single conductor bar which is annularly disposed and spaced apart from a rotation axis by a predetermined distance, an outer stator having an outer stator winding disposed in parallel with an outer circumferential surface of the hollow rotor, and an inner stator having an inner stator winding disposed in parallel with an inner circumferential surface of the hollow rotor.
    Type: Grant
    Filed: February 18, 2022
    Date of Patent: January 16, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Myung Seop Lim, Jae Hyun Kim, Sung Woo Hwang, Jin Cheol Park, Jin Ho Choi
  • Patent number: 11848598
    Abstract: An end coil cooling structure includes: a shielding member which is disposed within a motor housing, surrounds an area where an end coil is disposed, and forms an enclosed space; and a plurality of heat conducting particles disposed to fill the enclosed space and to come into contact with the end coil.
    Type: Grant
    Filed: June 27, 2022
    Date of Patent: December 19, 2023
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
    Inventors: Jin Ho Choi, Sang Jin Park, Soo Hwan Park, Kyoung Soo Cha, Jae Hyun Kim, Myung Seop Lim, Sung Woo Hwang
  • Patent number: 11757383
    Abstract: An apparatus for controlling a variable magnetic flux motor, wherein the variable magnetic flux motor includes a rotor in which a permanent magnet and a conductor bar are arranged, includes an inverter configured to apply a stator current to a stator coil of the motor, and a control unit configured to control a torque of the conductor bar and magnetize or demagnetize the permanent magnet by controlling the stator current through the inverter.
    Type: Grant
    Filed: December 7, 2021
    Date of Patent: September 12, 2023
    Assignees: Hyundai Motor Company, Kia Corporation, IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
    Inventors: Myung Seop Lim, Jae Hyun Kim, Sung Woo Hwang, Soo Hwan Park, Dong Min Kim, Sang Jin Park, Jong Seok Lee, Jin Ho Choi
  • Publication number: 20230179034
    Abstract: A stator winding structure includes a stator core formed from a stack of a plurality of steel sheets, the stator core comprising a plurality of slots that are circularly arranged in multiple rows around an axis of rotation; a plurality of conductor bars positioned in the plurality of slots; a plurality of first barrier ribs electrically shielding between the plurality of conductor bars contiguous to each other in a radial direction; and a plurality of second barrier ribs electrically shielding between the plurality of conductor bars contiguous to each other in a circumferential direction; and a pair of end-turn members disposed at axial ends of the stator core and coupled to the conductor bars; wherein the plurality of conductor bars are arranged within the stator core by a casting process including die casting.
    Type: Application
    Filed: June 27, 2022
    Publication date: June 8, 2023
    Inventors: Jin Ho Choi, Jae Hyun Kim, Soo Hwan Park, Myung Seop Lim, Sung Woo Hwang
  • Publication number: 20230170764
    Abstract: An end coil cooling structure includes: a shielding member which is disposed within a motor housing, surrounds an area where an end coil is disposed, and forms an enclosed space; and a plurality of heat conducting particles disposed to fill the enclosed space and to come into contact with the end coil.
    Type: Application
    Filed: June 27, 2022
    Publication date: June 1, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
    Inventors: Jin Ho Choi, Sang Jin Park, Soo Hwan Park, Kyoung Soo Cha, Jae Hyun Kim, Myung Seop Lim, Sung Woo Hwang
  • Publication number: 20230170762
    Abstract: A rotor cooling structure includes a turbine blower structure provided on first and second sides of a rotor for an induction motor; a refrigerant passage including a plurality of refrigerant passage inlet openings provided on a bottom surface of the turbine blower structure and a plurality of refrigerant passage outlet openings provided at an axial center of the rotor, which fluidically communicates with the refrigerant passage inlet openings and the refrigerant passage outlet openings and is provided along conductor bars of the rotor; and a plurality of micro groove patterns that hold the refrigerant passage outlet openings and are provided on both axial sides of the rotor on an external periphery of the rotor.
    Type: Application
    Filed: June 21, 2022
    Publication date: June 1, 2023
    Applicants: Hyundai Motor Company, Kia Corporation, IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
    Inventors: Jin Ho CHOI, Jong Seok LEE, Sang Jin PARK, Sung Woo HWANG, Jae Hyun KIM, Myung Seop LIM
  • Publication number: 20230170777
    Abstract: A rotor for an induction motor is provide. The rotor includes a core built with stacks of a plurality of steel sheets and includes a plurality of rotor slots that are radially arranged. The rotor further includes a plurality of conductor bars contained in the plurality of rotor slots, respectively, and end-rings attached to both longitudinal ends of each of the plurality of conductor bars. The rotor further includes at least one slit formed inward from an outer periphery of the rotor along a perimeter of the rotor, wherein the slit has a depth deep enough to form a groove portion in at least some region of each of the plurality of conductor bars.
    Type: Application
    Filed: August 17, 2022
    Publication date: June 1, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
    Inventors: Jin Ho Choi, Jong Seok Lee, Sung Woo Hwang, Myung Seop Lim, Jae Hyun Kim
  • Publication number: 20230132331
    Abstract: A rotor for an induction motor includes a rotor core having a hollow portion on a central portion wherein a shaft is coupled to the rotor core by being inserted through the hollow portion, a plurality of slots radially formed in the rotor core around a central axis of the shaft, a plurality of conductor bars coupled to the plurality of slots, and an end ring electrically connecting the plurality of conductor bars to each other, wherein the rotor core is thermally treated above Curie temperature to form a predetermined pattern on an outer circumference of the rotor core.
    Type: Application
    Filed: July 6, 2022
    Publication date: April 27, 2023
    Inventors: Jin Ho Choi, Sang Jin Park, Jong Seok Lee, Ki O Kim, Sung Woo Hwang, Myung Seop Lim, Jae Hyun Kim