Patents by Inventor Young-Mook Choi

Young-Mook Choi 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: 20240132021
    Abstract: An apparatus for controlling a discharge pressure of a fluid includes: a pump configured to suck the fluid through an inlet or to discharge the sucked fluid through an outlet; a distributor connected to the pump and to an injection nozzle provided by a sensor and configured to distribute the fluid discharged from the pump to the sensor; and a controller. The controller is configured to control the pump to operate selectively in accordance with detection of contamination of the sensor and to control operation of the distributor to be forcibly delayed during operation of the pump such that the fluid distributed to the sensor, when detected as being contaminated, is controlled to reach a selected required discharge pressure of different required discharge pressures selected in accordance with water amount information and a degree of contamination of the sensor.
    Type: Application
    Filed: April 30, 2023
    Publication date: April 25, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, DY AUTO CORPORATION
    Inventors: Young Joon Shin, Chan Mook Choi, Gyu Won Han, Jong Min Park, Jin Hee Lee, Jong Wook Lee, Min Wook Park, Seong Jun Kim, Hyeong Jun Kim, Sun Ju Kim
  • Patent number: 10818222
    Abstract: An embodiment of a display device includes first, second, and third pixels including first, second, and third transistors, a first light-emitting stage to apply a first light-emitting signal including a first pulse at a turn-off level to a gate electrode of the first transistor, a second light-emitting stage to apply a second light-emitting signal including a second pulse at a turn-off level to a gate electrode of the second transistor, and a third light-emitting stage to apply a third light-emitting signal including a third pulse at a turn-off level to a gate electrode of the third transistor, wherein an interval between generation times of the first and second pulses is the same as an interval between generation times of the second and third pulses, and an interval between extinction times of the first and second pulses is different from an interval between extinction times of the second and third pulses.
    Type: Grant
    Filed: October 7, 2019
    Date of Patent: October 27, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jeong Doo Lee, Sang Kuk Kim, Young Mook Choi
  • Publication number: 20200193896
    Abstract: An embodiment of a display device includes first, second, and third pixels including first, second, and third transistors, a first light-emitting stage to apply a first light-emitting signal including a first pulse at a turn-off level to a gate electrode of the first transistor, a second light-emitting stage to apply a second light-emitting signal including a second pulse at a turn-off level to a gate electrode of the second transistor, and a third light-emitting stage to apply a third light-emitting signal including a third pulse at a turn-off level to a gate electrode of the third transistor, wherein an interval between generation times of the first and second pulses is the same as an interval between generation times of the second and third pulses, and an interval between extinction times of the first and second pulses is different from an interval between extinction times of the second and third pulses.
    Type: Application
    Filed: October 7, 2019
    Publication date: June 18, 2020
    Inventors: Jeong Doo LEE, Sang Kuk KIM, Young Mook CHOI
  • Patent number: 10431779
    Abstract: An organic layer deposition apparatus, a method of manufacturing an organic light-emitting display apparatus by using the same, and an organic light-emitting display apparatus manufactured using the method. The organic layer deposition apparatus includes a conveyer unit including first and second conveyer units, loading and unloading units, and a deposition unit. A transfer unit moves between the first and second conveyer units, and the substrate attached to the transfer unit is spaced from a plurality of organic layer deposition assemblies of the deposition unit while being transferred by the first conveyer unit. The organic layer deposition assemblies include common layer deposition assemblies and pattern layer deposition assemblies.
    Type: Grant
    Filed: August 12, 2016
    Date of Patent: October 1, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Su-Hwan Lee, Un-Cheol Sung, Chae-Woong Kim, Young-Mook Choi
  • Patent number: 9748483
    Abstract: A deposition source and an organic layer deposition apparatus that may be simply applied to the manufacture of large-sized display apparatuses on a mass scale and may prevent or substantially prevent deposition source nozzles from being blocked during deposition of a deposition material, thereby improving manufacturing yield and deposition efficiency. A deposition source includes a first deposition source including a plurality of first deposition source nozzles, and a second deposition source including a plurality of second deposition source nozzles wherein the plurality of first deposition source nozzles and the plurality of second deposition source nozzles are tilted toward each other.
    Type: Grant
    Filed: November 19, 2015
    Date of Patent: August 29, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young-Mook Choi, Hee-Cheol Kang, Chae-Woong Kim, Mu-Hyun Kim, Dong-Kyu Lee
  • Patent number: 9678128
    Abstract: A noise test apparatus includes a ground plate, a base plate including a ground plate, the ground plate being configured to support a display panel. A first antenna configured to receive electromagnetic waves irradiated by the display panel and disposed on the base plate adjacent to a first side of the ground plate. A second antenna configured to receive the electromagnetic waves irradiated by the display panel and disposed on the base plate adjacent to a second side of the ground plate, the second side extending substantially perpendicular to the first side.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: June 13, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ung Choi, Young-Mook Choi, Jung-Mi Yun, Sang-Rock Yoon
  • Patent number: 9624580
    Abstract: A method for forming a thin film on a substrate includes discharging a deposition material from a deposition source through a plurality of deposition source nozzles arranged in a first direction on a deposition source nozzle unit disposed at a side of the deposition source; passing the deposition material through a patterning slit sheet; and depositing the deposition material on the substrate, while moving the substrate and the patterning slit sheet relative to each other. The patterning slit sheet is spaced apart from the substrate by a distance. A blocking member is disposed between the substrate and the deposition source and is moved along with the substrate to be positioned to screen at least one portion of the substrate, and the patterning slit sheet is disposed opposite to and spaced apart from the deposition source nozzle unit, and includes a plurality of patterning slits arranged in the first direction.
    Type: Grant
    Filed: March 10, 2014
    Date of Patent: April 18, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young-Mook Choi, Chang-Mog Jo, Hee-Cheol Kang, Hyun-Sook Park
  • Publication number: 20170104618
    Abstract: An electronic device includes a display device including a display panel, a clock generator configured to generate a first control clock having a first frequency, and a controller configured to drive the display panel, a communicator configured to perform communication through a wireless communication channel, and a change signal generator configured to generate a frequency change signal on a basis of a noise generated by the first control clock in the wireless communication channel, wherein the controller includes a receiver configured to receive the frequency change signal through a signal transfer line, and a clock convertor configured to convert, on a basis of the frequency change signal, the first control clock into a second control clock having a second frequency different from the first frequency to reduce the noise.
    Type: Application
    Filed: May 24, 2016
    Publication date: April 13, 2017
    Inventors: Sangrock YOON, Young-mook CHOI, Onsik CHOI
  • Patent number: 9534288
    Abstract: A deposition apparatus includes: a transfer unit including a first transfer unit and a second transfer unit, wherein the first transfer unit transfers, in a first direction, a moving unit to which a substrate is detachably fixed, and the second transfer unit transfers, in an opposite direction of the first direction, the moving unit from which the substrate is separated, and a deposition unit including a deposition assembly wherein the deposition assembly deposits a material on the substrate spaced apart from the deposition assembly while the first transfer unit transfers the substrate which is fixed to the moving unit, wherein the first transfer unit includes a first support unit that supports both ends of the moving unit in the first direction, and a second support unit that supports a side of the moving unit opposite to a side close to the deposition assembly.
    Type: Grant
    Filed: August 28, 2013
    Date of Patent: January 3, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young-Mook Choi, Jong-Won Hong
  • Publication number: 20160351860
    Abstract: An organic layer deposition apparatus, a method of manufacturing an organic light-emitting display apparatus by using the same, and an organic light-emitting display apparatus manufactured using the method. The organic layer deposition apparatus includes a conveyer unit including first and second conveyer units, loading and unloading units, and a deposition unit. A transfer unit moves between the first and second conveyer units, and the substrate attached to the transfer unit is spaced from a plurality of organic layer deposition assemblies of the deposition unit while being transferred by the first conveyer unit. The organic layer deposition assemblies include common layer deposition assemblies and pattern layer deposition assemblies.
    Type: Application
    Filed: August 12, 2016
    Publication date: December 1, 2016
    Inventors: Su-Hwan Lee, Un-Cheol Sung, Chae-Woong Kim, Young-Mook Choi
  • Patent number: 9496524
    Abstract: An organic layer deposition apparatus, a method of manufacturing an organic light-emitting display apparatus by using the same, and an organic light-emitting display apparatus manufactured using the method. The organic layer deposition apparatus includes a conveyer unit including first and second conveyer units, loading and unloading units, and a deposition unit. A transfer unit moves between the first and second conveyer units, and the substrate attached to the transfer unit is spaced from a plurality of organic layer deposition assemblies of the deposition unit while being transferred by the first conveyer unit. The organic layer deposition assemblies include common layer deposition assemblies and pattern layer deposition assemblies.
    Type: Grant
    Filed: July 9, 2013
    Date of Patent: November 15, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Su-Hwan Lee, Un-Cheol Sung, Chae-Woong Kim, Young-Mook Choi
  • Patent number: 9453282
    Abstract: A thin film deposition apparatus includes: a deposition source that discharges a deposition material; a deposition source nozzle unit disposed at a side of the deposition source and including a plurality of deposition source nozzles arranged in a first direction; a patterning slit sheet disposed opposite to the deposition source nozzle unit and including a plurality of patterning slits arranged in the first direction; a position detection member that detects a relative position of the substrate to the patterning slit sheet; and an alignment control member that controls a relative position of the patterning slit sheet to the substrate by using the relative position of the substrate detected by the position detection member, wherein the thin film deposition apparatus and the substrate are separated from each other, and the thin film deposition apparatus and the substrate are moved relative to each other.
    Type: Grant
    Filed: March 9, 2015
    Date of Patent: September 27, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong-Won Hong, Seok-Rak Chang, Chang-Mog Jo, Young-Mook Choi, Jae-Kwang Ryu
  • Patent number: 9450140
    Abstract: A thin film deposition apparatus used to manufacture large substrates on a mass scale and that allows high-definition patterning, and a method of manufacturing an organic light-emitting display apparatus using the same, the apparatus includes a loading unit fixing a substrate onto an electrostatic chuck; a deposition unit including a chamber maintained in a vacuum state and a thin film deposition assembly disposed in the chamber, separated from the substrate by a predetermined distance, to deposit a thin film on the substrate fixed on the electrostatic chuck; an unloading unit separating the substrate on which a deposition process is completed, from the electrostatic chuck; a first circulation unit sequentially moving the electrostatic chuck on which the substrate is fixed, to the loading unit, the deposition unit, and the unloading unit; and a second circulation unit returning the electrostatic chuck separated from the substrate to the loading unit from the unloading unit, wherein the first circulation unit
    Type: Grant
    Filed: August 27, 2010
    Date of Patent: September 20, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chang-Mog Jo, Jong-Heon Kim, Yong-Sup Choi, Sang-Soo Kim, Hee-Cheol Kang, Young-Mook Choi
  • Publication number: 20160079534
    Abstract: A deposition source and an organic layer deposition apparatus that may be simply applied to the manufacture of large-sized display apparatuses on a mass scale and may prevent or substantially prevent deposition source nozzles from being blocked during deposition of a deposition material, thereby improving manufacturing yield and deposition efficiency. A deposition source includes a first deposition source including a plurality of first deposition source nozzles, and a second deposition source including a plurality of second deposition source nozzles wherein the plurality of first deposition source nozzles and the plurality of second deposition source nozzles are tilted toward each other.
    Type: Application
    Filed: November 19, 2015
    Publication date: March 17, 2016
    Inventors: Young-Mook Choi, Hee-Cheol Kang, Chae-Woong Kim, Mu-Hyun Kim, Dong-Kyu Lee
  • Patent number: 9234270
    Abstract: An electrostatic chuck, a thin film deposition apparatus including the electrostatic chuck, and a method of manufacturing an organic light emitting display apparatus using the thin film deposition apparatus. The electrostatic chuck includes: a first plate; a first common wire disposed on the first plate and electrically connected to a plus terminal of an electric power source; first electrode patterns electrically connected to the first common wire, separated by a distance from each other, and extending from the first common wire; a second common wire disposed on the first plate and electrically connected to a minus terminal of the electric power source; second electrode patterns electrically connected to the second common wire, separated by a distance from each other, and extending from the second common wire; a first additional wire electrically connected to the first common wire; and a second additional wire electrically connected to the second common wire.
    Type: Grant
    Filed: May 8, 2012
    Date of Patent: January 12, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young-Mook Choi, Jong-Heon Kim, Mu-Hyun Kim, Beohm Rock Choi
  • Publication number: 20150260774
    Abstract: A noise test apparatus includes a ground plate, a base plate including a ground plate, the ground plate being configured to support a display panel. A first antenna configured to receive electromagnetic waves irradiated by the display panel and disposed on the base plate adjacent to a first side of the ground plate. A second antenna configured to receive the electromagnetic waves irradiated by the display panel and disposed on the base plate adjacent to a second side of the ground plate, the second side extending substantially perpendicular to the first side.
    Type: Application
    Filed: September 30, 2014
    Publication date: September 17, 2015
    Inventors: Ung CHOI, Young-Mook CHOI, Jung-Mi YUN, Sang-Rock YOON
  • Publication number: 20150176131
    Abstract: A thin film deposition apparatus includes: a deposition source that discharges a deposition material; a deposition source nozzle unit disposed at a side of the deposition source and including a plurality of deposition source nozzles arranged in a first direction; a patterning slit sheet disposed opposite to the deposition source nozzle unit and including a plurality of patterning slits arranged in the first direction; a position detection member that detects a relative position of the substrate to the patterning slit sheet; and an alignment control member that controls a relative position of the patterning slit sheet to the substrate by using the relative position of the substrate detected by the position detection member, wherein the thin film deposition apparatus and the substrate are separated from each other, and the thin film deposition apparatus and the substrate are moved relative to each other.
    Type: Application
    Filed: March 9, 2015
    Publication date: June 25, 2015
    Inventors: Jong-Won Hong, Seok-Rak Chang, Chang-Mog JO, Young-Mook Choi, Jae-Kwang Ryu
  • Patent number: 8973525
    Abstract: A thin film deposition apparatus includes: a deposition source that discharges a deposition material; a deposition source nozzle unit disposed at a side of the deposition source and including a plurality of deposition source nozzles arranged in a first direction; a patterning slit sheet disposed opposite to the deposition source nozzle unit and including a plurality of patterning slits arranged in the first direction; a position detection member that detects a relative position of the substrate to the patterning slit sheet; and an alignment control member that controls a relative position of the patterning slit sheet to the substrate by using the relative position of the substrate detected by the position detection member, wherein the thin film deposition apparatus and the substrate are separated from each other, and the thin film deposition apparatus and the substrate are moved relative to each other.
    Type: Grant
    Filed: January 26, 2011
    Date of Patent: March 10, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong-Won Hong, Seok-Rak Chang, Chang-Mog Jo, Young-Mook Choi, Jae-Kwang Ryu
  • Publication number: 20140312316
    Abstract: A deposition apparatus includes: a transfer unit including a first transfer unit and a second transfer unit, wherein the first transfer unit transfers, in a first direction, a moving unit to which a substrate is detachably fixed, and the second transfer unit transfers, in an opposite direction of the first direction, the moving unit from which the substrate is separated, and a deposition unit including a deposition assembly wherein the deposition assembly deposits a material on the substrate spaced apart from the deposition assembly while the first transfer unit transfers the substrate which is fixed to the moving unit, wherein the first transfer unit includes a first support unit that supports both ends of the moving unit in the first direction, and a second support unit that supports a side of the moving unit opposite to a side close to the deposition assembly.
    Type: Application
    Filed: August 28, 2013
    Publication date: October 23, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Young-Mook Choi, Jong-Won Hong
  • Publication number: 20140193581
    Abstract: A method for forming a thin film on a substrate includes discharging a deposition material from a deposition source through a plurality of deposition source nozzles arranged in a first direction on a deposition source nozzle unit disposed at a side of the deposition source; passing the deposition material through a patterning slit sheet; and depositing the deposition material on the substrate, while moving the substrate and the patterning slit sheet relative to each other. The patterning slit sheet is spaced apart from the substrate by a distance. A blocking member is disposed between the substrate and the deposition source and is moved along with the substrate to be positioned to screen at least one portion of the substrate, and the patterning slit sheet is disposed opposite to and spaced apart from the deposition source nozzle unit, and includes a plurality of patterning slits arranged in the first direction.
    Type: Application
    Filed: March 10, 2014
    Publication date: July 10, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Young-Mook CHOI, Chang-Mog JO, Hee-Cheol KANG, Hyun-Sook PARK