Patents by Inventor Sung-Yong Cho

Sung-Yong Cho 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: 20190294274
    Abstract: A touch panel and a touch sensing system including the touch panel are disclosed. The touch panel includes a substrate and a plurality of electrodes arranged on the substrate and interdigitated with each other. Each of the electrodes may include a body portion and a plurality of protruding portions extending away from the body portion, where the electrodes are interdigitated with each other via the protruding portions.
    Type: Application
    Filed: March 18, 2019
    Publication date: September 26, 2019
    Inventors: Sung-yong CHO, Young-joo Lee, Jin-bong Kim, Yoon-kyung Choi
  • Patent number: 10209811
    Abstract: Disclosed is a mobile terminal device in which a locking mode is released based on a touch intensity in order to prevent an unlocking operation by an unintended touch, and a driving method thereof, wherein the driving method includes detecting a touch intensity for each touch when a plurality of touches occur in a locking mode, and releasing the locking mode on the basis of the plurality of touch intensities detected, or executing a function corresponding to the plurality of touch intensities detected.
    Type: Grant
    Filed: September 1, 2015
    Date of Patent: February 19, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Eun Jung Kim, Ki Duk Kim, Sung Yong Cho, Ki Seon Kim
  • Patent number: 9954242
    Abstract: A membrane-electrode assembly for a fuel cell, the membrane-electrode assembly including an electrolyte membrane; an edge protective layer located at generally an edge of the electrolyte membrane; and a catalytic layer including a plate portion contacting the electrolyte membrane and a protruding portion protruding from the plate portion and contacting the edge protective layer.
    Type: Grant
    Filed: March 15, 2011
    Date of Patent: April 24, 2018
    Assignee: Kolon Industries, Inc.
    Inventors: Hee-Tak Kim, Sung-Yong Cho, Tae-Yoon Kim, Kah-Young Song, Sang-Il Han, Geun-Seok Chai, Myoung-Ki Min
  • Patent number: 9851840
    Abstract: Embodiments relate to a touch panel with a haptic function and a method of operating the touch panel. The touch panel includes first electrodes and second electrodes intersecting the first electrodes. The touch panel further includes an elastic dielectric member disposed between the first electrodes and the second electrodes to separate the first electrodes and the second electrodes. The first electrodes are applied with a touch driving pulse during a sensing mode, and are applied with a voltage during a haptic mode. The second electrodes sense a touch sense signal responsive to the touch driving pulse in the sensing mode, and the second electrodes are applied with a reference voltage in the haptic mode. The elastic dielectric member vibrates in response to the voltage applied to the first electrodes in the haptic mode.
    Type: Grant
    Filed: May 5, 2016
    Date of Patent: December 26, 2017
    Assignee: LG Display Co., Ltd.
    Inventors: Jong Hee Hwang, Sung Yong Cho, Eun Jung Kim, Ki Seon Kim
  • Patent number: 9696845
    Abstract: Embodiments relate to a touch panel operable in a first haptic mode and a second haptic mode. The touch panel includes first electrodes and second electrodes intersecting the first electrodes. The touch panel further includes an elastic dielectric member disposed between the first electrodes and the second electrodes to separate the first electrodes and the second electrodes. The first electrodes are applied with a first voltage during the first haptic mode. The second electrodes are applied with a reference voltage in the first haptic mode. A subset of the second electrodes is applied with a second voltage to generate electrostatic force between the subset of the second electrodes and a user's finger in the second haptic mode. The elastic dielectric member vibrates in response to the first voltage applied to the first electrodes in the first haptic mode.
    Type: Grant
    Filed: May 15, 2015
    Date of Patent: July 4, 2017
    Assignee: LG Display Co., Ltd.
    Inventors: Eun Jung Kim, Ji Eun Son, Sung Yong Cho, Ki Seon Kim
  • Patent number: 9678589
    Abstract: Disclosed is a touch sensing display device capable of sensing both touch position and touch force, shortening a driving time for the touch sensing, and improving touch sensing efficiency, and an apparatus for driving thereof. The display device can include a color filter, a plurality of first touch electrodes for touch force sensing, and a plurality of second touch electrodes for touch position sensing and separated from the first touch electrodes by the color filter. The display can also include a force sensing touch driver for the first touch electrodes and a touch position touch driver for the second touch electrodes.
    Type: Grant
    Filed: June 2, 2016
    Date of Patent: June 13, 2017
    Assignee: LG Display Co., Ltd.
    Inventors: Jong Hee Hwang, Sung Yong Cho, Eun Jung Kim
  • Patent number: 9653741
    Abstract: A fuel cell stack includes at least one membrane electrolyte assembly having an electrolyte membrane, an anode on a first surface of the electrolyte membrane, and a cathode on a second surface opposite to the first surface of the electrolyte membrane; and at least one supply member coupled to the electrolyte membrane and configured to supply a conductive material to the electrolyte membrane.
    Type: Grant
    Filed: September 20, 2011
    Date of Patent: May 16, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jin-Hwa Lee, Hee-Tak Kim, Tae-Yoon Kim, Geun-Seok Chai, Sung-Yong Cho
  • Patent number: 9543590
    Abstract: A catalyst layer composition for a fuel cell includes an ionomer cluster, a catalyst, and a solvent including water and polyhydric alcohol; and an electrode for a fuel cell includes a catalyst layer comprising an ionomer cluster having a three-dimensional reticular structure, and a catalyst, a method of preparing a electrode for a fuel cell includes a catalyst layer comprising an ionomer cluster having a three-dimensional reticular structure, and a catalyst, and a membrane-electrode assembly for a fuel cell including the electrode and a fuel cell system including the membrane-electrode assembly.
    Type: Grant
    Filed: August 10, 2012
    Date of Patent: January 10, 2017
    Assignee: Kolon Industries Inc.
    Inventors: Tae-Yoon Kim, Sang-Il Han, Sung-Yong Cho, Hee-Tak Kim, Kah-Young Song, Myoung-Ki Min, Geun-Seok Chai
  • Patent number: 9524070
    Abstract: Disclosed is a touch screen device that may include first and second substrates; a plurality of first electrode lines and a plurality of second electrode lines on the first substrate that cross each other to define a plurality of touch sensors, each touch sensor including first and second electrodes, and an elastic resistor, with a gap space between the second electrode and the elastic resistor; and a touch driver that is electrically connected to at least one of the plurality of first electrode lines and the plurality of second electrode lines, and that determines a two-dimensional or three-dimensional touch information depending on an amount of force that is applied to the touch screen device.
    Type: Grant
    Filed: July 14, 2015
    Date of Patent: December 20, 2016
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jong Hee Hwang, Sung Yong Cho
  • Publication number: 20160283031
    Abstract: Embodiments relate to a touch panel with a haptic function and a method of operating the touch panel. The touch panel includes first electrodes and second electrodes intersecting the first electrodes. The touch panel further includes an elastic dielectric member disposed between the first electrodes and the second electrodes to separate the first electrodes and the second electrodes. The first electrodes are applied with a touch driving pulse during a sensing mode, and are applied with a voltage during a haptic mode. The second electrodes sense a touch sense signal responsive to the touch driving pulse in the sensing mode, and the second electrodes are applied with a reference voltage in the haptic mode. The elastic dielectric member vibrates in response to the voltage applied to the first electrodes in the haptic mode.
    Type: Application
    Filed: May 5, 2016
    Publication date: September 29, 2016
    Inventors: Jong Hee HWANG, Sung Yong CHO, Eun Jung KIM, Ki Seon KIM
  • Publication number: 20160282999
    Abstract: Disclosed is a touch screen device that may include first and second substrates; a plurality of first electrode lines and a plurality of second electrode lines on the first substrate that cross each other to define a plurality of touch sensors, each touch sensor including first and second electrodes, and an elastic resistor, with a gap space between the second electrode and the elastic resistor; and a touch driver that is electrically connected to at least one of the plurality of first electrode lines and the plurality of second electrode lines, and that determines a two-dimensional or three-dimensional touch information depending on an amount of force that is applied to the touch screen device.
    Type: Application
    Filed: July 14, 2015
    Publication date: September 29, 2016
    Inventors: Jong Hee HWANG, Sung Yong CHO
  • Patent number: 9455449
    Abstract: An electrode for a fuel cell is disclosed. The electrode may include an electrode substrate with a conductive substrate, carbon particles, and a catalyst layer disposed on the electrode substrate. The electrode substrate may include a pore having an average diameter of about 20 ?m to about 40 ?m and porosity of about 30 volume % to about 80 volume % based on the total volume of the electrode substrate. A membrane-electrode assembly including the electrode and a fuel cell system including the membrane electrode assembly are also disclosed.
    Type: Grant
    Filed: December 29, 2011
    Date of Patent: September 27, 2016
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Sang-Il Han, Kah-Young Song, Hee-Tak Kim, Sung-Yong Cho, Tae-Yoon Kim, Myoung-Ki Min, Geun-Seok Chai
  • Publication number: 20160274708
    Abstract: Disclosed is a touch sensing display device capable of sensing both touch position and touch force, shortening a driving time for the touch sensing, and improving touch sensing efficiency, and an apparatus for driving thereof. The display device can include a color filter, a plurality of first touch electrodes for touch force sensing, and a plurality of second touch electrodes for touch position sensing and separated from the first touch electrodes by the color filter. The display can also include a force sensing touch driver for the first touch electrodes and a touch position touch driver for the second touch electrodes.
    Type: Application
    Filed: June 2, 2016
    Publication date: September 22, 2016
    Inventors: Jong Hee Hwang, Sung Yong CHO, Eun Jung KIM
  • Patent number: 9413026
    Abstract: An electricity generator includes a membrane electrode assembly; a separator coupled to the membrane electrode assembly and including a first region and a second region; and a thermal conductor on one of the first region and the second region.
    Type: Grant
    Filed: August 15, 2012
    Date of Patent: August 9, 2016
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jin-Hwa Lee, Tae-Yoon Kim, Geun-Seok Chai, Sung-Yong Cho, Hee-Tak Kim
  • Patent number: 9397369
    Abstract: A fuel cell separator and a fuel cell system including the same. The separator includes a main body including a plurality of cell barriers and a flow channel disposed between the cell barriers, and a hydrophilic surface-treatment layer disposed on the bottom surface of the flow channel of the main body. The hydrophilic surface-treatment layer disposed on the bottom surface of the flow channel has a contact angle less than a contact angle of a side surface of at least one of the cell barriers by approximately 10° to approximately 60°.
    Type: Grant
    Filed: August 3, 2011
    Date of Patent: July 19, 2016
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Hee-Tak Kim, Sung-Yong Cho, Kah-Young Song, Tae-Yoon Kim, Sang-Il Han, Geun-Seok Chai, Myoung-Ki Min
  • Patent number: 9360981
    Abstract: Disclosed is a touch sensing display device capable of sensing both touch position and touch force, shortening a driving time for the touch sensing, and improving touch sensing efficiency, and an apparatus for driving thereof. The display device can include a color filter, a plurality of first touch electrodes for touch force sensing, and a plurality of second touch electrodes for touch position sensing and separated from the first touch electrodes by the color filter. The display can also include a force sensing touch driver for the first touch electrodes and a touch position touch driver for the second touch electrodes.
    Type: Grant
    Filed: May 15, 2015
    Date of Patent: June 7, 2016
    Assignee: LG Display Co., Ltd.
    Inventors: Jong Hee Hwang, Sung Yong Cho, Eun Jung Kim
  • Patent number: 9356296
    Abstract: A membrane-electrode assembly (MEA) for a fuel cell includes a fuel cell electrolyte membrane, an anode disposed at a first side of the electrolyte membrane, and a cathode disposed at a second side of the electrolyte membrane, wherein the cathode has a thickness and an area, the cathode area extending in a plane substantially parallel to a major surface of the electrolyte membrane, the cathode area includes a central area and a peripheral area, the peripheral area extending to lateral edges of the cathode, the central area includes hydrophilic portions and hydrophobic portions, the peripheral area includes hydrophilic portions and hydrophobic portions, and the central area is more hydrophobic than the peripheral area.
    Type: Grant
    Filed: March 2, 2010
    Date of Patent: May 31, 2016
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Kah-Young Song, Hee-Tak Kim, Sung-Yong Cho, Sang-Il Han, Myoung-Ki Min, Geun-Seok Chai, Tae-Yoon Kim
  • Patent number: 9335880
    Abstract: Embodiments relate to a touch panel with a haptic function and a method of operating the touch panel. The touch panel includes first electrodes and second electrodes intersecting the first electrodes. The touch panel further includes an elastic dielectric member disposed between the first electrodes and the second electrodes to separate the first electrodes and the second electrodes. The first electrodes are applied with a touch driving pulse during a sensing mode, and are applied with a voltage during a haptic mode. The second electrodes sense a touch sense signal responsive to the touch driving pulse in the sensing mode, and the second electrodes are applied with a reference voltage in the haptic mode. The elastic dielectric member vibrates in response to the voltage applied to the first electrodes in the haptic mode.
    Type: Grant
    Filed: May 15, 2015
    Date of Patent: May 10, 2016
    Assignee: LG Display Co., Ltd.
    Inventors: Jong Hee Hwang, Sung Yong Cho, Eun Jung Kim, Ki Seon Kim
  • Publication number: 20160104904
    Abstract: The present invention relates to a new structure of a fuel cartridge with light weight. The fuel cartridge of the present invention comprises a flexible container having an inner space to store liquid fuel, a connector connected to the flexible container and having an opening to discharge the liquid fuel; and a channel-forming structure or means provided in a inner space of the flexible container and connected to the connector, wherein the channel-forming structure or means is provided as a flow field interconnecting the inner space with an opening of the connector in order to discharge the liquid fuel when the channel-forming structure or means contacts with the flexible container near the connector. According to the present invention, coefficient of utilization of the fuel cartridge can be improved by preventing interference of a liquid fuel outflow due to close adhesion of the flexible container near the connector when the stored liquid fuel is discharged.
    Type: Application
    Filed: January 24, 2008
    Publication date: April 14, 2016
    Inventors: Ji-Seong Han, Han-Kyu Lee, Sung-Yong Cho, Sang-Jun Kong
  • Publication number: 20160062504
    Abstract: Disclosed is a touch sensing display device capable of sensing both touch position and touch force, shortening a driving time for the touch sensing, and improving touch sensing efficiency, and an apparatus for driving thereof. The display device can include a color filter, a plurality of first touch electrodes for touch force sensing, and a plurality of second touch electrodes for touch position sensing and separated from the first touch electrodes by the color filter. The display can also include a force sensing touch driver for the first touch electrodes and a touch position touch driver for the second touch electrodes.
    Type: Application
    Filed: May 15, 2015
    Publication date: March 3, 2016
    Inventors: Jong Hee Hwang, Sung Yong CHO, Eun Jung KIM