Patents by Inventor Yong-Woon Lee

Yong-Woon 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: 12258525
    Abstract: Embodiments of the present disclosure relate to a method and system for producing refined hydrocarbons from waste plastic pyrolysis oil. The method and system for producing refined hydrocarbons from waste plastic pyrolysis oil according to the embodiments of the present disclosure may minimize formation of an ammonium salt (NH4Cl) and may prevent an adhesion phenomenon of impurity particles in a reactor in a refining process of waste plastic pyrolysis oil containing impurities including chlorine and nitrogen. In addition, the method and system for producing refined hydrocarbons according to the embodiments of the present disclosure may have excellent refining efficiency and may implement a long-term operation of a process because deactivation of a catalyst used in the process is prevented and may produce refined hydrocarbons having a low content of impurities and a high octane number from waste plastic pyrolysis oil.
    Type: Grant
    Filed: February 7, 2024
    Date of Patent: March 25, 2025
    Assignees: SK INNOVATION CO., LTD., SK GEO CENTRIC CO., LTD.
    Inventors: Yong Woon Kim, Seo Yeong Kang, Soo Kil Kang, Min Gyoo Park, Young Moo Park, Min Woo Shin, Jae Hwan Lee, Jin Seong Jang, Sang Hwan Jo
  • Patent number: 12256504
    Abstract: A foldable display set may include: a foldable display device; and a holding system on a rear surface of the foldable display device and configured to fold and unfold the foldable display device. The holding system may include: a motor configured to generate a rotational force; a rotational arm configured to be rotated by the rotational force of the motor to fold and unfold the foldable display device; a fixing plate spaced apart from the rotational arm with the foldable display device in an unfolded state; a moving plate on the fixing plate and configured to be moved with respect to the fixing plate by the rotational arm; and a magnetic unit fixed on the moving plate. The foldable display device in a folded state may be fixed to the magnetic unit via a magnetic force.
    Type: Grant
    Filed: November 1, 2022
    Date of Patent: March 18, 2025
    Assignee: LG Display Co., Ltd.
    Inventors: Jung-Dae Lee, Seok-Hyo Cho, Ji-Woon Min, Yong-Joon Jeon, Sang-Yong Park
  • Patent number: 12244934
    Abstract: A system on chip and a mobile device are provided, the mobile device including a processor that receives raw image data, processes the raw image data into floating-point format image data, and output the floating-point format image data; a memory that stores therein the floating-point format image data; and a display processing unit that receives the floating-point format image data stored in the memory therefrom, and performs high dynamic range (HDR) processing on the floating-point format image data.
    Type: Grant
    Filed: April 25, 2022
    Date of Patent: March 4, 2025
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sun-Ae Kim, Seong Woon Kim, Kil Whan Lee, Sang Hoon Lee, Yong Kwon Cho, Sang Hoon Ha
  • Publication number: 20240242554
    Abstract: Disclosed are an access card processing method and an apparatus for performing the method. The access card processing method may, if a produced access card is issued by a partner terminal and then transferred/retransferred, or a user terminal holding the access card returns the access card, or the access card is retrieved by the partner terminal, provide a message related to the transfer/return/retrieval so as to enable a situation regarding the transfer/return/retrieval to be recognized.
    Type: Application
    Filed: May 18, 2022
    Publication date: July 18, 2024
    Inventors: Hyeon Su JEON, Yong Woon LEE, An Na CHO, Seung Hyun KO, Seung Yeop YEOM
  • Patent number: 10418920
    Abstract: A power system may include a first motor, a second motor connected in parallel to the first motor, a driver configured to supply a driving current to the first motor and the second motor and a controller configured to control the driver based on the driving current and a rotating speed of the first motor, and when the rotating speed of the first motor is different from a rotating speed of the second motor, the controller may control the driver so that the rotating speed of the first motor is equal to the rotating speed of the second motor. The power system may drive two and more motors at the same speed by applying the driving voltage based on the rotating speed and the driving current of one of two or more motors, using a single driving apparatus.
    Type: Grant
    Filed: March 22, 2018
    Date of Patent: September 17, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Je Hyung Cho, Alexey Bodrov, Sun Jin Kim, Yong Woon Lee
  • Patent number: 10313620
    Abstract: The present invention relates to a technology with enables an image signal processor to output image data at a faster speed while using a memory having a smaller capacity. The image signal processor includes a pair of line memories for storing image data output from an analog-digital converter such that the image data alternates in units of horizontal lines, and outputting the stored image data in units of blocks according to a first-in-first-out method.
    Type: Grant
    Filed: November 11, 2014
    Date of Patent: June 4, 2019
    Assignee: SK hynix Inc.
    Inventors: Sang Wook Ahn, Yong Woon Lee, Huy Chan Jung, Heui-Gyun Ahn
  • Patent number: 10165169
    Abstract: The present invention provides an image processing package comprising: an image sensor for receiving an image of a subject, which is incident from the outside, in the form of light and converting the image of the subject into an image signal; and an image signal processor for processing the image signal which is output from the image sensor and reproducing the image of the subject, wherein the image processing package has a structure in which the image sensor is vertically stacked on the image signal processor.
    Type: Grant
    Filed: November 27, 2014
    Date of Patent: December 25, 2018
    Assignee: SK Hynix Inc.
    Inventors: Huy Chan Jung, Heui-Gyun Ahn, Sang Wook Ahn, Yong Woon Lee
  • Patent number: 10161117
    Abstract: Provided is a coupling structure for easy installation and separation of a faucet. The coupling structure includes a connection body which is connected to a water supply pipe at one side and has a coupler at an opposite side. A connection pipe formed in the faucet is fitted to the coupler such that the faucet is coupled to the connection body to allow the faucet to be supplied with water and to discharge the water. A grab ring is formed in the coupler, and an actuation ring is installed in the connection pipe so as to be moved forward and backward. When the actuation ring is moved forward, the actuation ring expands the grab ring to allow the connection pipe to be separated from the coupler. Easy installation of the faucet enhances convenience in construction. Easy separation of the faucet, when necessary, enhances convenience in maintenance.
    Type: Grant
    Filed: January 22, 2015
    Date of Patent: December 25, 2018
    Assignee: IDIN LAB, INC.
    Inventors: Yong Woon Lee, Jin Su Jeon, Jae Hee Won, Do Kyeong Lee
  • Publication number: 20180269811
    Abstract: A power system may include a first motor, a second motor connected in parallel to the first motor, a driver configured to supply a driving current to the first motor and the second motor and a controller configured to control the driver based on the driving current and a rotating speed of the first motor, and when the rotating speed of the first motor is different from a rotating speed of the second motor, the controller may control the driver so that the rotating speed of the first motor is equal to the rotating speed of the second motor. The power system may drive two and more motors at the same speed by applying the driving voltage based on the rotating speed and the driving current of one of two or more motors, using a single driving apparatus.
    Type: Application
    Filed: March 22, 2018
    Publication date: September 20, 2018
    Inventors: Je Hyung CHO, Alexey BODROV, Sun Jin KIM, Yong Woon LEE
  • Patent number: 9966880
    Abstract: A power system may include a first motor, a second motor connected in parallel to the first motor, a driver configured to supply a driving current to the first motor and the second motor and a controller configured to control the driver based on the driving current and a rotating speed of the first motor, and when the rotating speed of the first motor is different from a rotating speed of the second motor, the controller may control the driver so that the rotating speed of the first motor is equal to the rotating speed of the second motor. The power system may drive two and more motors at the same speed by applying the driving voltage based on the rotating speed and the driving current of one of two or more motors, using a single driving apparatus.
    Type: Grant
    Filed: February 6, 2015
    Date of Patent: May 8, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Je Hyung Cho, Alexey Bodrov, Sun Jin Kim, Yong Woon Lee
  • Publication number: 20170218604
    Abstract: Provided is a coupling structure for easy installation and separation of a faucet. The coupling structure includes a connection body which is connected to a water supply pipe at one side and has a coupler at an opposite side. A connection pipe formed in the faucet is fitted to the coupler such that the faucet is coupled to the connection body to allow the faucet to be supplied with water and to discharge the water. A grab ring is formed in the coupler, and an actuation ring is installed in the connection pipe so as to be moved forward and backward. When the actuation ring is moved forward, the actuation ring expands the grab ring to allow the connection pipe to be separated from the coupler. Easy installation of the faucet enhances convenience in construction. Easy separation of the faucet, when necessary, enhances convenience in maintenance.
    Type: Application
    Filed: January 22, 2015
    Publication date: August 3, 2017
    Inventors: Yong Woon LEE, Jin Su JEON, Jae Hee WON, Do Kyeong LEE
  • Publication number: 20170179855
    Abstract: A power system may include a first motor, a second motor connected in parallel to the first motor, a driver configured to supply a driving current to the first motor and the second motor and a controller configured to control the driver based on the driving current and a rotating speed of the first motor, and when the rotating speed of the first motor is different from a rotating speed of the second motor, the controller may control the driver so that the rotating speed of the first motor is equal to the rotating speed of the second motor. The power system may drive two and more motors at the same speed by applying the driving voltage based on the rotating speed and the driving current of one of two or more motors, using a single driving apparatus.
    Type: Application
    Filed: February 6, 2015
    Publication date: June 22, 2017
    Inventors: Je Hyung Cho, Alexey Bodrov, Sun Jin Kim, Yong Woon Lee
  • Patent number: 9669887
    Abstract: A multi-parts autotransferring apparatus for transferring parts to be mounted in a car body includes: a body configured to be mounted spaced apart from a ground by a plurality of supports; a vertical moving part configured to be mounted at the lower portion of the body to descend; a horizontal moving part configured to be mounted at a lower portion of the vertical moving part to be advanced and retreated in a front and rear direction; front jig parts configured to be each mounted at opposing sides of a front of the horizontal moving part; and rear jig parts configured to be each mounted at opposing sides of a rear of the horizontal moving part.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: June 6, 2017
    Assignee: Hyundai Motor Company
    Inventors: Yong Woon Lee, Kum Jong Lee
  • Patent number: 9660483
    Abstract: A power supply control apparatus is connected to an electric device to control supply of power to the electric device. The apparatus includes a main power switch to apply or interrupt main power to the electric device, the main power being external input commercial AC power, an auxiliary power storage unit supplied and charged with the main power as auxiliary power, a charging/discharging unit including a charging circuit to convert the main power into DC power and charge the converted DC power in the auxiliary power storage unit, and a discharging circuit to convert the DC power in the auxiliary power storage unit into AC power and discharge the converted AC power to the electric device, and a controller to control the main power switch, and control the charging/discharging unit to selectively drive the charging circuit or the discharging circuit.
    Type: Grant
    Filed: May 31, 2012
    Date of Patent: May 23, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: In Joo Kim, Seok Gin Kang, Yong Woon Lee, Dong Ha
  • Patent number: 9613881
    Abstract: A semiconductor device having improved heat-dissipation characteristics is capable effectively discharging heat that is generated inside the semiconductor device of a three-dimensional laminated structure, to the outside of the semiconductor device by utilizing an internal connector used during bonding.
    Type: Grant
    Filed: May 9, 2014
    Date of Patent: April 4, 2017
    Assignee: SK Hynix Inc.
    Inventors: Heui Gyun Ahn, Sang Wook Ahn, Yong Woon Lee, Huy Chan Jung, Sung Chun Jun
  • Publication number: 20160373629
    Abstract: The present invention provides an image processing package comprising: an image sensor for receiving an image of a subject, which is incident from the outside, in the form of light and converting the image of the subject into an image signal; and an image signal processor for processing the image signal which is output from the image sensor and reproducing the image of the subject, wherein the image processing package has a structure in which the image sensor is vertically stacked on the image signal processor.
    Type: Application
    Filed: November 27, 2014
    Publication date: December 22, 2016
    Inventors: Huy Chan JUNG, Heui-Gyun AHN, Sang Wook AHN, Yong Woon LEE
  • Patent number: 9478464
    Abstract: A method for manufacturing a through-hole silicon via (TSV) employs the conventional trench insulation process to readily manufacture a through-hole silicon via (TSV) with achievement of an effective electrical insulation between the through-hole silicon via (TSV) and the silicon.
    Type: Grant
    Filed: April 30, 2014
    Date of Patent: October 25, 2016
    Assignee: SILICONFILE TECHNOLOGIES INC.
    Inventors: Heui Gyun Ahn, Sang Wook Ahn, Yong Woon Lee, Huy Chan Jung, Do Young Lee
  • Publication number: 20160301888
    Abstract: The present invention relates to a technology with enables an image signal processor to output image data at a faster speed while using a memory having a smaller capacity. The image signal processor includes a pair of line memories for storing image data output from an analog-digital converter such that the image data alternates in units of horizontal lines, and outputting the stored image data in units of blocks according to a first-in-first-out method.
    Type: Application
    Filed: November 11, 2014
    Publication date: October 13, 2016
    Applicant: Siliconfile Technologies Inc.
    Inventors: Sang Wook AHN, Yong Woon LEE, Huy Chan JUNG, Heui-Gyun AHN
  • Publication number: 20160268373
    Abstract: A semiconductor apparatus having a heat dissipating function and electronic equipment comprising the same includes a front surface on which semiconductor devices constituting a circuit a circuit are formed; and a rear surface including a convexo-concave surface. Thus, the heat dissipation effect of the semiconductor apparatus can be maximized even without attaching a heat dissipation plate thereto.
    Type: Application
    Filed: October 2, 2014
    Publication date: September 15, 2016
    Inventors: Min Suk KO, Kyoung Sik PARK, Gab Hwan CHO, Heui Gyun AHN, Sang Wook AHN, Yong Woon LEE, Huy Chan JUNG
  • Publication number: 20160267946
    Abstract: The present invention provides a stack memory device and a method for operating same. The stack memory device, according to the present invention, is provided with: a first memory chip in which first type memory cells are repeatedly arranged in row direction and column direction, and which comprises one or more cell arrays, in which a dump line is connected to the each first type memory cell; and a second memory chip in which second type memory cells are repeatedly arranged in row direction and column direction, and which comprises one or more cell arrays, in which a dump line is connected to the each second type memory cell, wherein first pads are connected to the dump lines of the first type memory cells and second pads are connected to the dump lines of the second type memory cells, the first pads and the second pads having one-to-one correspondence.
    Type: Application
    Filed: October 27, 2014
    Publication date: September 15, 2016
    Inventors: Sang Wook Ahn, Huy Chan Jung, Yong Woon Lee, Heui-Gyun Ahn, Do Young Lee