Patents by Inventor Sang Woo Hwang

Sang 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: 12084446
    Abstract: The present disclosure relates to an organic electroluminescent compound, and an organic electroluminescent device comprising the same. It is possible to provide an organic electroluminescent device which can be deposited at a low deposition temperature and/or in which clogging is reduced.
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: September 10, 2024
    Assignee: Rohm and Haas Electronic Materials Korea
    Inventors: Hong-Se Oh, Sung-Woo Jang, Joon-Hyung Kil, Seon-Jin Hwang, Seung-Ae Kim, Hee-Ryong Kang, Sang-Hee Cho, Hyo-Soon Park
  • Publication number: 20240297290
    Abstract: A vertical type apparatus for firing a cathode material of a secondary battery is provided. The vertical type apparatus for firing the cathode material according to the present disclosure includes a plurality of saggers, each having an open upper portion, provided with a through-slit for gas flow in a lower surface thereof, and loaded with the cathode material therein, and a plurality of unit firing furnaces, each having an open upper portion, each plurally stacked in the vertical direction, each receiving the respective sagger.
    Type: Application
    Filed: December 17, 2021
    Publication date: September 5, 2024
    Applicants: POSCO Holdings Inc., Research Institute of Industrial Science & Technology, POSCO Chemical Co., Ltd.
    Inventors: Choongmo YANG, Yong Hyun LEE, Jongyun MOON, Byoung Mu DO, Yeong Woo KIM, Sang Keun SONG, Soon Cheol HWANG, Jeong Heon HEO, Ji Woong MOON, Woo Taek KIM, Hyeon Woo KIM, Keeyoung JUNG, Yooncheol PARK, Min Young HWANG
  • Publication number: 20240284968
    Abstract: The present disclosure relates to a lyocell material with controlled whiteness by hydrogen peroxide treatment and a manufacturing method thereof, wherein the lyocell material has improved whiteness due to an aging effect through drying and packaging by a predetermined amount of hydrogen peroxide remaining in a tow, and may replace a CA cigarette filter to lower environmental pollution problems caused by discarded cigarette butts, and thus the lyocell material is suitable as a cigarette filter.
    Type: Application
    Filed: September 21, 2022
    Publication date: August 29, 2024
    Inventors: Sang Woo JIN, Jong Cheol JEONG, Jeong Hun LEE, Seung Dong SEO, Yeong Nam HWANG, Sunghoon HA, Kyengbae MA, Jin-Chul YANG, Bong Su CHEONG
  • Publication number: 20240284970
    Abstract: The present disclosure relates to a lyocell material for a cigarette filter and a method of manufacturing the same, in which, by setting the optimal total denier range of crimped lyocell tow, which may realize filter properties equivalent to cellulose acetate (CA) currently used as a cigarette filter, the optimal processability for manufacturing a cigarette filter may be secured, and due to the excellent biodegradability thereof, environmental pollution factors caused by conventional discarded cigarette butts may be reduced.
    Type: Application
    Filed: September 21, 2022
    Publication date: August 29, 2024
    Inventors: Sang Woo JIN, Jong Cheol JEONG, Jeong Hun LEE, Seung Dong SEO, Yeong Nam HWANG, Sunghoon HA, Kyengbae MA, Jin-Chul YANG, Bong Su CHEONG
  • Publication number: 20240274131
    Abstract: An example electronic device includes a housing; a touchscreen display; a microphone; at least one speaker; a button disposed on a portion of the housing or set to be displayed on the touchscreen display; a wireless communication circuit; a processor; and a memory. When a user interface is not displayed on the touchscreen display, the electronic device enables a user to receive a user input through the button, receives user speech through the microphone, and then provides data on the user speech to an external server. An instruction for performing a task is received from the server. When the user interface is displayed on the touchscreen display, the electronic device enables the user to receive the user input through the button, receives user speech through the microphone, and then provides data on the user speech to the external server.
    Type: Application
    Filed: April 8, 2024
    Publication date: August 15, 2024
    Inventors: Sang-Ki KANG, Jang-Seok SEO, Kook-Tae CHOI, Hyun-Woo KANG, Jin-Yeol KIM, Chae-Hwan LI, Kyung-Tae KIM, Dong-Ho JANG, Min-Kyung HWANG
  • Publication number: 20240266362
    Abstract: Provided are a display device, a method of fabricating the display device, and a tiled display device including display devices. A display device includes, a substrate including a first surface, a second surface opposite the first surface, and a first side surface disposed between the first surface and the second surface, a light emitting element disposed on the first surface, a side wiring disposed on the first surface, the first side surface, and the second surface, and an overcoat layer covering the side wiring, and the overcoat layer includes at least one of CaCO3 and xCaO·ySiO2·zH2O where x, y, and z are natural numbers.
    Type: Application
    Filed: December 26, 2023
    Publication date: August 8, 2024
    Applicants: Samsung Display Co., LTD., NOKWON C&I Corporation
    Inventors: Nak Cho CHOI, Min Woo OH, Jong Hwan BAE, Sang Woo AN, Jae Chil HWANG, Myung Koo HUR
  • Publication number: 20240227436
    Abstract: A driving module includes a housing rotatably supported about a knuckle unit, a barrel unit rotatably supported by the housing, a first rotation input unit and a second rotation input unit rotatably supported by the knuckle unit, a first gear unit engaged with the first rotation input unit to transmit a rotation force input from the first rotation input unit to the housing or the barrel unit, a second gear unit engaged with the second rotation input unit and the first gear unit to transmit a rotation force input from the second rotation input unit to the housing or the barrel unit, and a controller configured to control rotations of the first rotation input unit and the second rotation input unit independently of each other to selectively rotate the housing or the barrel unit so that a vehicle is movable in all directions.
    Type: Application
    Filed: November 9, 2023
    Publication date: July 11, 2024
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Sang Woo HWANG, Min Jun KIM, Jun Ho SEONG, Woo Keun PARK, Sehyun CHANG, Youngil SOHN
  • Publication number: 20240160219
    Abstract: In an embodiment, a method of controlling an automated platooning vehicle for driving on a traveling path including n-th to (n+2)-th (n is integer) sections, comprises receiving from a server information of a first leader vehicle capable of leading the automated platooning vehicle at the n-th section, performing platoon driving in association with the first leader vehicle at the n-th section, performing autonomous driving of the automated platooning vehicle out of association with the first leader vehicle at the (n+1)-th section, receiving from the server information of a second leader vehicle capable of leading the automated platooning vehicle at the (n+2)-th section, and performing platoon driving in association with the second leader vehicle at the (n+2)-th section.
    Type: Application
    Filed: August 22, 2023
    Publication date: May 16, 2024
    Inventor: Sang Woo Hwang
  • Patent number: 11945276
    Abstract: The present disclosure discloses a preview vehicle height control system and a method of controlling the same. The system includes a monitoring device configured to detect the road surface condition of a driving path of a vehicle, an active suspension configured to adjust a vehicle height, a memory configured to store a plurality of data maps distinguished based on a type of bump, each data map having a vehicle dynamic characteristic as an input and a tuning factor as an output, and a controller configured to derive the tuning factor based on a data map, among the plurality of data maps of the memory, corresponding to the bump detected by the monitoring device, derive a target vehicle height in a form of a Gaussian distribution by substituting the tuning factor, and control the active suspension to follow the derived target vehicle height.
    Type: Grant
    Filed: August 19, 2022
    Date of Patent: April 2, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, FOUNDATION FOR RESEARCH AND BUSINESS SEOUL NATIONAL UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Youngil Sohn, Min Jun Kim, Sang Woo Hwang, Sehyun Chang, Jun Ho Seong, Yong Hwan Jeong, Seong Jin Yim
  • Publication number: 20240100898
    Abstract: A suspension includes a knuckle to which a wheel of a vehicle is fastened, a steering drive portion connected to the knuckle, a lower arm positioned at a lower end portion of the steering drive portion and including a first end portion connected to the knuckle and a second end portion connected to a vehicle body frame, a connecting link including a first end portion connected to an upper end portion of the steering drive portion, an upper arm connected to a second end portion of the connecting link, a damper connecting the upper arm and the vehicle body frame, and a push rod including a first end portion connected to the upper arm and a second end portion connected to the lower arm.
    Type: Application
    Filed: April 5, 2023
    Publication date: March 28, 2024
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Sehyun CHANG, Youngil SOHN, Jun Ho SEONG, Min Jun KIM, Sang Woo HWANG
  • Publication number: 20240092134
    Abstract: A vehicle-height control system of an independent corner module, includes a suspension link connected to a wheel and configured to be rotated according to upward-downward displace of the wheel, a gear unit connected to a vehicle body and a rotational center portion of the suspension link and configured to receive a rotation force from the suspension link, a control torsion bar, a first end portion thereof being connected to the gear unit and the second end portion thereof being connected to a torsion variation unit, the torsion variation unit applying a drive force to adjust a height of the control torsion bar and to maintain the adjusted height, and a controller connected to the torsion variation unit and adjusting the height of the control torsion bar.
    Type: Application
    Filed: March 28, 2023
    Publication date: March 21, 2024
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Sehyun CHANG, Sang Woo HWANG, Min Jun KIM, Youngil SOHN
  • Patent number: 11884343
    Abstract: A steering feel assisting apparatus of a steer-by-wire (SBW) system, may include a disk configured to rotate together with a steering shaft; a cam engaged to an actuator and configured to receive a rotational force of the actuator to be eccentrically rotated; and a brake arm configured to selectively friction-contact with an external peripheral surface of the disk to provide a predetermined frictional force in a forward rotation direction of the disk as the brake arm rotates in conjunction with rotation of the cam.
    Type: Grant
    Filed: September 22, 2020
    Date of Patent: January 30, 2024
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Sang Woo Hwang, Young Dae Park, Byung Rim Lee, Min Jun Kim, Se Hyun Chang, Hyeon Seok Cho
  • Patent number: 11879508
    Abstract: A clutch for preventing backdrive, includes a housing: a cover portion positioned on one end portion of the housing; an external shaft, at least one portion of which is positioned inside the housing, the other end portion thereof passing through the housing; a rocker positioned between the housing and the cover portion and fastened to the external shaft; an input shaft, one end portion thereof being inserted into an opening portion in the locker, and the other end portion thereof passing through the cover portion; and a gear portion positioned on the housing or the cover portion so that a serrated portion positioned on the locker is selectively brought into contact with the gear portion, wherein rotation of the rocker is restricted so that the external shaft is rotated along a rotation direction of the input shaft.
    Type: Grant
    Filed: November 29, 2022
    Date of Patent: January 23, 2024
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Sang Woo Hwang, Youngil Sohn, Sehyun Chang, Min Jun Kim
  • Publication number: 20230391157
    Abstract: A leaf spring suspension includes a knuckle having a wheel to be coupled thereto, a fixed frame positioned on a vehicle body and coupled to the knuckle through a trailing arm, a leaf spring having a first end portion coupled to the knuckle and having a second end portion having a variable support point, and a support unit configured to vary the support point on the second end portion of the leaf spring, wherein the support unit includes a spring support positioned to be brought into contact with the leaf spring, and a spring driver coupled to the spring support and configured to apply driving force to change the position of the spring support, and wherein the spring driver moves the position of the spring support to change the support point on the leaf spring.
    Type: Application
    Filed: December 1, 2022
    Publication date: December 7, 2023
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Sehyun CHANG, Youngil SOHN, Jun Ho SEONG, Min Jun KIM, Sang Woo HWANG
  • Patent number: 11820449
    Abstract: An embodiment independent corner module includes a knuckle unit positioned at an inward area of a wheel, an upper arm fastened between an upper end of the knuckle unit and a vehicle body, a lower arm fastened between a lower end of the knuckle unit and the vehicle body, a steering unit configured to input a steering angle to the knuckle unit by being rotated with respect to the lower arm, and a rack steering unit positioned under the steering unit and fastened to the knuckle unit, the rack steering unit being configured to apply a rotating force to the knuckle unit by varying a length thereof.
    Type: Grant
    Filed: September 30, 2022
    Date of Patent: November 21, 2023
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Sehyun Chang, Sang Woo Hwang, Min Jun Kim, Young Il Sohn
  • Publication number: 20230331057
    Abstract: The present disclosure discloses a preview vehicle height control system and a method of controlling the same. The system includes a monitoring device configured to detect the road surface condition of a driving path of a vehicle, an active suspension configured to adjust a vehicle height, a memory configured to store a plurality of data maps distinguished based on a type of bump, each data map having a vehicle dynamic characteristic as an input and a tuning factor as an output, and a controller configured to derive the tuning factor based on a data map, among the plurality of data maps of the memory, corresponding to the bump detected by the monitoring device, derive a target vehicle height in a form of a Gaussian distribution by substituting the tuning factor, and control the active suspension to follow the derived target vehicle height.
    Type: Application
    Filed: August 19, 2022
    Publication date: October 19, 2023
    Applicants: Hyundai Motor Company, Kia Corporation, Foundation for Research and Business, Seoul National University of Science and Technology
    Inventors: Youngil SOHN, Min Jun KIM, Sang Woo HWANG, Sehyun CHANG, Jun Ho SEONG, Yong Hwan JEONG, Seong Jin YIM
  • Patent number: 11767887
    Abstract: An anti-reverse clutch apparatus includes an input shaft provided with a push handle, an output shaft mounted coaxially with the input shaft and rotatable relative to the input shaft, a clutch housing including an internal gear formed along an internal circumferential surface of the clutch housing, and a locking block, which is mounted between the output shaft and the internal circumferential surface of the clutch housing, and rotatable together with the output shaft and which includes an external gear, which is formed along an external circumferential surface of the locking block to be engaged with the internal gear, the locking block being linearly moved in a radial direction of the output shaft by a sloped surface structure formed between the push handle and the locking block so that the external gear is engaged with or disengaged from the internal gear when the push handle is rotated.
    Type: Grant
    Filed: March 11, 2022
    Date of Patent: September 26, 2023
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Sang Woo Hwang, Jai Hak Kim, Hyeong Seop Park
  • Publication number: 20230296146
    Abstract: A clutch for preventing backdrive includes a housing, a cover portion located at one end portion of the housing, an external shaft, at least a portion of which is located in the housing, and another end portion of which passes through the housing, a plurality of lockers located inside the housing and surrounding the first end portion of the external shaft, an input shaft, a first end portion of which is inserted into openings of the plurality of lockers and a second end portion of which is configured to pass through the cover portion, and a brake unit configured to be selectively engaged to the lockers to restrict rotations of the lockers. The external shaft is restricted by the lockers so that the external shaft and the lockers are rotated in a rotation direction of the input shaft, and movements of the lockers are restricted by the brake unit when the external shaft is rotated.
    Type: Application
    Filed: December 1, 2022
    Publication date: September 21, 2023
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Sang Woo HWANG, Youngil SOHN, Sehyun CHANG, Min Jun KIM
  • Publication number: 20230296143
    Abstract: A clutch for preventing backdrive, includes a housing: a cover portion positioned on one end portion of the housing; an external shaft, at least one portion of which is positioned inside the housing, the other end portion thereof passing through the housing; a rocker positioned between the housing and the cover portion and fastened to the external shaft; an input shaft, one end portion thereof being inserted into an opening portion in the locker, and the other end portion thereof passing through the cover portion; and a gear portion positioned on the housing or the cover portion so that a serrated portion positioned on the locker is selectively brought into contact with the gear portion, wherein rotation of the rocker is restricted so that the external shaft is rotated along a rotation direction of the input shaft.
    Type: Application
    Filed: November 29, 2022
    Publication date: September 21, 2023
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Sang Woo HWANG, Youngil SOHN, Sehyun CHANG, Min Jun KIM
  • Publication number: 20230287947
    Abstract: An automotive electro-mechanical brake apparatus includes a clamping unit provided to be able to axial move forwards and rearwards thereof along a torque member and configured to press a disc through a friction pad by moving rearward in braking, a pressing unit accommodated in the clamping unit, selectively moving forward or rearward when rotation is input thereto, and configured to move forward, press the disc through the friction pad, and guide rearward movement of the clamping unit in braking, a gear unit engaged with the pressing unit, and a clutch unit connected to the gear unit, configured to transmit rotational driving force for inputting the rotation to the pressure unit to the gear unit, and configured to prevent displacement against reverse rotation input from the gear unit in driving.
    Type: Application
    Filed: December 9, 2022
    Publication date: September 14, 2023
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Sang Woo Hwang, Youngil Sohn, Sehyun Chang, Min Jun Kim