Patents by Inventor Won-Ki Hong

Won-Ki Hong 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: 20170060331
    Abstract: A touch screen panel includes a driving line including a plurality of touch driving units, a sensing line substantially parallel to the driving line and which includes a plurality of touch sensing units, a first driving router disposed adjacent to the driving line and which transmits a first touch pulse to one of an even-numbered touch driving unit and an odd-numbered touch driving unit of the touch driving units, a second driving router disposed adjacent to the driving line and which transmits a second touch pulse to the other of the even-numbered touch driving unit and the odd-numbered touch driving unit of the touch driving units and a plurality of sensing routers connected to each of the touch sensing units and which receives a sensing signal from the touch sensing units.
    Type: Application
    Filed: November 11, 2016
    Publication date: March 2, 2017
    Inventors: Won-Ki HONG, Seung-Ho NAM, Ji-Hong PARK, Moon-Sung CHOI
  • Patent number: 9568999
    Abstract: A method for representing a tactile image and providing a touch function and a haptic feedback function to a tactile touch panel includes: applying a touch driving voltage to the tactile touch panel; and applying a tactile voltage corresponding to an image to be displayed to the tactile touch panel in a blanking interval when the touch driving voltage may be not applied to a plurality of touch driving lines of the tactile touch panel, when a touch sensing voltage corresponding to a touch on the tactile touch panel may be received through a plurality of touch sensing lines of the tactile touch panel.
    Type: Grant
    Filed: September 12, 2013
    Date of Patent: February 14, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Won-Ki Hong, Seung-Ho Nam, Ji-Hong Park, Kang-Won Lee, Moon-Sung Choi
  • Patent number: 9552113
    Abstract: A touch sensing display device includes: a display panel; a capacitive touch panel disposed on a front surface of the display panel; a digitizer disposed on a surface of the display panel; a sensor driving unit which sequentially applies scanning signals to the capacitive touch panel and the digitizer, where each of the scanning signal is applied simultaneously to the capacitive touch panel and the digitizer; and a sensing unit which senses sensing signals of the capacitive touch panel and the digitizer, in which the sensing unit receives the sensing signal of the capacitive touch panel and the sensing signal of the digitizer at different times.
    Type: Grant
    Filed: July 23, 2014
    Date of Patent: January 24, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: In Cheol Kim, Seung Ho Nam, Yoon Gyu Lee, Won-Ki Hong, Seong Mo Hwang
  • Patent number: 9535502
    Abstract: A sensing panel includes sensing units, each of the sensing units configured to represent a tactile sense in response to a tactile signal and a thermal sense in response to a thermal signal in different time periods. Each of the sensing units includes a first module including a first lower electrode, a first semiconductor disposed on the first lower electrode, and a first upper electrode disposed on the first semiconductor, and a second module including a second lower electrode, a second semiconductor disposed on the second lower electrode, and a second upper electrode disposed on the second semiconductor, and the first lower electrode is electrically connected to the second lower electrode.
    Type: Grant
    Filed: March 3, 2016
    Date of Patent: January 3, 2017
    Assignee: Samsung Display Co., Ltd
    Inventors: Won-ki Hong, Seung-Ho Nam
  • Patent number: 9507457
    Abstract: A method of determining a touch coordinate in a touch panel includes detecting a touch cell among a plurality of touch cells, wherein the plurality of touch cells are defined by a plurality of areas in the touch panel in which a first touch electrode and a second touch electrode overlap with each other, detecting a touch position in the detected touch cell based on a first electrical signal measured at least one of a plurality of terminals of the first and second touch electrodes, determining a number of touches based on a distance between a first touch and a second touch, determining expected touch coordinates corresponding to the number of touches, and determining the touch coordinate based on a second electrical signal measured at least one of the plurality of terminals of the first and second touch electrodes and the expected touch coordinates.
    Type: Grant
    Filed: January 28, 2011
    Date of Patent: November 29, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Won-Ki Hong, Jee-Hong Min, Seong-Mo Hwang, Il-Ho Lee
  • Publication number: 20160306458
    Abstract: A touch panel includes touch electrodes and a touch driver configured to apply a driving signal to the touch electrodes to form sensing capacitors comprising the touch electrodes, the touch driver configured to sense a change in an amount of charge caused by the sensing capacitors. The touch driver is configured to distinguish hovering and floating based upon a result of sensing the time change in an amount of charge. The touch driver is configured to apply a highest level of the driving signal to a hovering electrode corresponding to a hovering position from among the touch electrodes.
    Type: Application
    Filed: September 9, 2015
    Publication date: October 20, 2016
    Inventors: Won-Ki HONG, Jong Seo LEE
  • Publication number: 20160283033
    Abstract: A display device includes a display panel and a touch panel. The touch panel calculates coordinate information of an input position by an electrostatic capacitive method in a first mode and calculates the coordinate information of the input position by an electromagnetic induction method in a second mode. The touch panel includes scan line groups and source line groups, which are operated as touch electrodes or touch coils on the basis of the operating mode thereof. In addition, the touch panel includes touch electrodes and touch coils, which are individually operated on the basis of the operating mode thereof.
    Type: Application
    Filed: June 10, 2016
    Publication date: September 29, 2016
    Inventors: KANGWON LEE, INCHEOL KIM, UNG CHOI, WON-KI HONG, SEUNGHO NAM, JIHONG PARK, CHUL KIM, HOJIN BYUN, KISEOK CHA
  • Patent number: 9449992
    Abstract: A display apparatus includes a first base substrate, a touch sensing part provided on the first base substrate, an electronic device provided on the first base substrate, a black matrix provided on the first base substrate, a signal line provided on the black matrix to apply a driving signal to the electronic device, a second base substrate facing the first base substrate, and a liquid crystal layer disposed between the first base substrate and the second base substrate.
    Type: Grant
    Filed: April 30, 2015
    Date of Patent: September 20, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Incheol Kim, Youngjoon Cho, Seongmo Hwang, Seungho Nam, Sooguy Rho, Sunghwan Won, Hyun-Ju Lee, Won-ki Hong
  • Publication number: 20160259487
    Abstract: A touch device and a display device including the same are provided. The touch device includes: a first substrate; a second substrate facing the first substrate, and disposed to be spaced apart from the first substrate by a predetermined interval; a third substrate connecting first end portions of the first and second substrates to each other, and propagating an ultrasonic signal propagated along the first substrate to the second substrate; a plurality of first ultrasonic transducers connected to second portions facing the first end portions in the first substrate, and propagating an ultrasonic signal to the first substrate; and a plurality of second ultrasonic transducers connected to the second portions facing the first end portions in the second substrate, and receiving an ultrasonic signal propagated along the second substrate, wherein a touch point may be detected based on signal intensity variations of ultrasonic signals received by the second ultrasonic transducers.
    Type: Application
    Filed: October 30, 2015
    Publication date: September 8, 2016
    Inventors: Won-Ki HONG, Jong Seo LEE
  • Publication number: 20160259430
    Abstract: A wearable display device of the present invention includes: a wearable part configured for placement on a portion of a human body; a flexible display unit connected to the wearable part through a coupling part; at least one curvature changer configured to alter a curvature of at least a portion of the flexible display unit; and a curvature holder configured to maintain the curvature of the at least a portion of the flexible display unit once the curvature is altered by the at least one curvature changer.
    Type: Application
    Filed: August 6, 2015
    Publication date: September 8, 2016
    Inventors: Won-Ki HONG, Jong Seo LEE
  • Publication number: 20160246432
    Abstract: A display device includes a flexible display panel, a sensing scan driver, and a sensing signal processor. The display panel includes a plurality of flexible touch input electrodes arranged in a first direction and a plurality of flexible touch output electrodes arranged in a second direction. The sensing scan driver supplies sensing input signals to the flexible touch input electrodes. The sensing signal processor receives sensing output signals through the flexible touch output electrodes. The display panel includes a plurality of touch sensing areas. One of the touch input electrodes and a pair of the touch output electrodes correspond to one of the touch sensing areas when the display panel stretches in the first direction by a predetermined first threshold value or more.
    Type: Application
    Filed: September 3, 2015
    Publication date: August 25, 2016
    Inventors: Won-Ki HONG, Jong Seo LEE
  • Patent number: 9423896
    Abstract: A method for representing a tactile image and providing a touch function and a haptic feedback function to a tactile touch panel includes: applying a touch driving voltage to the tactile touch panel; and applying a tactile voltage corresponding to an image to be displayed to the tactile touch panel in a blanking interval when the touch driving voltage may be not applied to a plurality of touch driving lines of the tactile touch panel, when a touch sensing voltage corresponding to a touch on the tactile touch panel may be received through a plurality of touch sensing lines of the tactile touch panel.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: August 23, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Won-Ki Hong, Seung-Ho Nam, Ji-Hong Park, Kang-Won Lee, Moon-Sung Choi
  • Patent number: 9389737
    Abstract: A display device includes a display panel and a touch panel. The touch panel calculates coordinate information of an input position by an electrostatic capacitive method in a first mode and calculates the coordinate information of the input position by an electromagnetic induction method in a second mode. The touch panel includes scan line groups and source line groups, which are operated as touch electrodes or touch coils on the basis of the operating mode thereof. In addition, the touch panel includes touch electrodes and touch coils, which are individually operated on the basis of the operating mode thereof.
    Type: Grant
    Filed: September 11, 2013
    Date of Patent: July 12, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kangwon Lee, Incheol Kim, Ung Choi, Won-ki Hong, Seungho Nam, Jihong Park, Chul Kim, Hojin Byun, Kiseok Cha
  • Publication number: 20160179204
    Abstract: A sensing panel includes sensing units, each of the sensing units configured to represent a tactile sense in response to a tactile signal and a thermal sense in response to a thermal signal in different time periods. Each of the sensing units includes a first module including a first lower electrode, a first semiconductor disposed on the first lower electrode, and a first upper electrode disposed on the first semiconductor, and a second module including a second lower electrode, a second semiconductor disposed on the second lower electrode, and a second upper electrode disposed on the second semiconductor, and the first lower electrode is electrically connected to the second lower electrode.
    Type: Application
    Filed: March 3, 2016
    Publication date: June 23, 2016
    Inventors: Won-ki HONG, Seung-Ho Nam
  • Publication number: 20160162100
    Abstract: A display device including a display unit including sensing input signal lines, sensing output signal lines, and touch sensors disposed on the sensing input signal lines and the sensing output signal lines, a sensor unit including gripping sensors corresponding to the sensing input signal lines, the sensor unit configured to generate a gripping signal including touch information of a first gripping sensor and position information of a first sensing input signal line corresponding to the first gripping sensor, and a signal controller configured to control a sensing scan control signal such that a first sensing input signal including a higher voltage than a reference voltage is applied to the first sensing input signal line according to gripping signal, and a sensing scan driver configured to generate a sensing input signal that is applied to the sensing input signal lines according to the sensing scan control signal.
    Type: Application
    Filed: June 9, 2015
    Publication date: June 9, 2016
    Inventors: Won-Ki HONG, Jong Seo LEE
  • Publication number: 20160147375
    Abstract: A display device including a touch sensor and a driving method thereof, and more particularly, a curved display device including a touch sensor and a driving method thereof, are presented. The display device includes: a touch sensor unit including a plurality of touch sensors; and at least one touch surface curved to along a first direction, wherein the touch surface includes a center region and edge regions positioned at both sides of the center region along the first direction, and wherein a sensitivity of the touch sensor in the center region is higher than a sensitivity of the touch sensors in the edge regions.
    Type: Application
    Filed: June 16, 2015
    Publication date: May 26, 2016
    Inventors: Seung Lyong BOK, Won Ki HONG
  • Publication number: 20160147305
    Abstract: A display device includes a lower substrate, an upper substrate facing the lower substrate, an electro-optical active layer disposed between the lower substrate and the upper substrate, and a plurality of membranes arranged on a surface of one of the lower substrate and the upper substrate. The plurality of membranes are configured to absorb light of a specific wavelength and vibrate so as to generate ultrasonic waves.
    Type: Application
    Filed: March 31, 2015
    Publication date: May 26, 2016
    Inventor: Won-Ki HONG
  • Publication number: 20160124555
    Abstract: Disclosed herein is a touch display device, including: a panel including a plurality of sensing electrodes which are arranged under a dielectric layer and in a matrix configuration; a rectification unit including at least one rectifier configured to be connected to at least two sensing electrodes; and an energy storage unit including at least one capacitive element which is connected to the rectifier.
    Type: Application
    Filed: July 28, 2015
    Publication date: May 5, 2016
    Inventors: Won-Ki HONG, Jong Seo LEE
  • Patent number: 9323329
    Abstract: Provided is a haptic panel including a plurality of haptic units. A haptic unit includes a lower electrode, a P-type semiconductor and an N-type semiconductor which are disposed on the lower electrode, a first upper electrode disposed on the P-type semiconductor, and a second upper electrode disposed on the N-type semiconductor. The haptic unit is configured to represent a tactile sense in response to a tactile signal and a thermal sense in response to a thermal signal.
    Type: Grant
    Filed: September 23, 2013
    Date of Patent: April 26, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Won-ki Hong, Seung-Ho Nam
  • Patent number: 9304626
    Abstract: An optical touch system includes: a coordinate processor; a display device; and an optical element. The optical element is configured to emit light towards the display device and provide information about reflected light corresponding to a portion of the emitted light to the coordinate processor. The display device includes: a display panel configured to display an image, a touch substrate disposed on the display panel, the touch substrate including optical recesses each configured to reflect respectively different amounts of incident light, and a protective layer disposed on the touch substrate. The coordinate processor is configured to determine a touch or near-touch coordinate based on the information received from the optical element.
    Type: Grant
    Filed: July 23, 2013
    Date of Patent: April 5, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Won-ki Hong, SeungHo Nam, Jaeho You