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).

  • DISPLAY DEVICE AND DRIVING METHOD FOR DISPLAY DEVICE USING THE SAME
    Publication number: 20200012379
    Abstract: A display device including a display panel, a plurality of gripping sensors at a side of the display device and configured to detect a gripping of the side of the display device, and a plurality of touch sensors on the display panel and configured to generate a sensing output signal based on sensing input signals, in which the sensing input signals having different enable voltages are applied to the plurality of touch sensors, and the different enable voltages are determined according to the gripping.
    Type: Application
    Filed: September 17, 2019
    Publication date: January 9, 2020
    Inventors: Won-Ki HONG, Jong Seo LEE
  • FLEXIBLE DISPLAY DEVICE AND METHOD OF DRIVING THE SAME
    Publication number: 20200012367
    Abstract: A flexible display device and a method of driving a flexible display device, in which the method of driving the flexible display device includes detecting a capacitance change with respect to at least some coordinates of a display area, determining whether bending is occurring through the detected capacitance change, and setting a driving mode in response to a result of the step of determining whether bending is occurring. The driving mode is converted into a bending mode when it is determined that bending is occurring, and the driving mode is set into a force touch mode when it is determined that bending is not occurring.
    Type: Application
    Filed: September 20, 2019
    Publication date: January 9, 2020
    Inventors: Young Seok SEO, Won-Ki HONG, Jung Hyun KIM, Hyoung Wook JANG
  • Shift lever and vehicle control system including the same
    Patent number: 10527157
    Abstract: A shift lever includes a lever knob, and a cover layer covering the lever knob, where the cover layer includes a touch sensor which generates touch information on a touch of a user, and the touch sensor includes a plurality of sensor pixels which senses a capacitance change corresponding to the touch.
    Type: Grant
    Filed: September 1, 2017
    Date of Patent: January 7, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Tae Hee Lee, Won Ki Hong
  • DISPLAY DEVICE AND DRIVING METHOD THEREOF
    Publication number: 20200005012
    Abstract: An exemplary embodiment of the present inventive concept provides a display device including: a display unit including a plurality of pixels disposed on a display area; a display controller configured to control the display unit; a sensor including a plurality of first sensing electrodes and a plurality of second sensing electrodes disposed in the display area; and a sensor controller configured to recognize a touch of a user inputted into the sensor in a touch sensing mode and to recognize a fingerprint of the user inputted into the sensor in a fingerprint sensing mode, wherein the sensor controller changes a mode to the fingerprint sensing mode when no touch is inputted for a predetermined time period in the touch sensing mode and changes the mode to the touch sensing mode when authorization on a fingerprint inputted into the sensor is succeeded in the fingerprint sensing mode.
    Type: Application
    Filed: September 9, 2019
    Publication date: January 2, 2020
    Inventors: Won Ki HONG, Jong Seo LEE
  • DISPLAY APPARATUS
    Publication number: 20190391692
    Abstract: A display apparatus includes a display panel and a touch sensing unit disposed on the display panel. The touch sensing unit includes a touch sensor and a first pressure sensor. The touch sensor includes a first touch electrode layer and a second touch electrode layer disposed on the first touch electrode layer. The first pressure sensor includes: a transmission pressure electrode, a sensing pressure electrode separated from the transmission pressure electrode, and a piezoresistive pattern contacting each of the transmission pressure electrode and the sensing pressure electrode. Each of the transmission pressure electrode and the sensing pressure electrode is disposed in a same layer as any one of the first touch electrode layer and the second touch electrode layer.
    Type: Application
    Filed: May 20, 2019
    Publication date: December 26, 2019
    Inventors: Sungkook PARK, Taehee LEE, Won-ki HONG, Moonhee SEO
  • Touch sensor and display device including the same
    Patent number: 10514794
    Abstract: A touch sensor includes a plurality of touch electrode lines which extends outwardly from a central portion thereof at a predetermined angular interval around the central portion, a vibration sensing element positioned at the central portion, and a touch controller which receives a first touch signal from at least one of the plurality of touch electrode lines, detects a touch angle between a touch position at which a touch occurs and a first direction with respect to the central portion, receives a second touch signal from the vibration sensing element, calculates a touch distance from the central portion to the touch position based on a time difference between a first point of time when the first touch signal is received and a second point of time when the second touch signal is received, and outputs touch coordinates including the touch angle and the touch distance.
    Type: Grant
    Filed: April 24, 2018
    Date of Patent: December 24, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Won-Ki Hong
  • Flexible display device and driving method thereof
    Patent number: 10503307
    Abstract: A flexible display device includes a flexible display panel to generate an image and a bending detection screen to detect a bending angle and a bending position. The bending detection screen includes an angle detection sensor and a position detection sensor. The angle detection sensor includes a material with a resistance that changes in correspondence to an intensity of an applied stress. The angle detection sensor has an area per unit length that is substantially constant on a base surface. The position detection sensor includes a material with a resistance that changes in correspondence to an intensity of the applied stress. The position detection sensor has an area per unit length that increases along a length direction on the base surface. Signal lines are connected to the angle and position detection sensors.
    Type: Grant
    Filed: June 29, 2016
    Date of Patent: December 10, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Won-ki Hong, Beomshik Kim, Jongseo Lee
  • Electronic device and method of driving same
    Patent number: 10488969
    Abstract: An electronic device includes a display device including a display panel, a touch panel, and a touch sensing circuit configured to sense a touch input. The electronic device also includes an input pen configured to provide, to the touch sensing circuit, information on intensity of pressure applied to the display device. The touch panel includes touch pressure sensors and signal lines connected to the touch pressure sensors. Each touch pressure sensor has an area per unit length that increases along an extended direction of each touch pressure sensor. Each touch pressure sensor has a resistance that varies with an intensity of pressure and an area of pressure applied to the touch pressure sensors.
    Type: Grant
    Filed: August 25, 2016
    Date of Patent: November 26, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Won-ki Hong, Jihong Park, Jongseo Lee
  • FORCE SENSOR AND DISPLAY DEVICE INCLUDING THE SAME
    Publication number: 20190353540
    Abstract: A display device includes a display panel and a first force sensor. The first force sensor is disposed adjacent to a first edge of the display panel and extends along the first edge. The first force sensor includes a plurality of first sensing regions and a second sensing region. disposed closer to the second end of the first force sensor than the first sensing regions. The first sensing regions are disposed closer to a first end of the first force sensor than the second sensing region, and the second sensing region. The second sensing region is disposed closer to a second end of the first force sensor than the first sensing regions. The second sensing region has a larger area than each of the first sensing regions.
    Type: Application
    Filed: March 18, 2019
    Publication date: November 21, 2019
    Inventors: Won Ki Hong, Tae Hee Lee, Sung Kook Park
  • DISPLAY DEVICE AND PRESSURE SENSOR STRUCTURE
    Publication number: 20190346957
    Abstract: A display device includes a display panel. A window is disposed on the display panel. A conductive sheet is disposed beneath the display panel such that the display panel is disposed between the window and the conductive sheet. A pressure sensor is disposed between the display panel and the conductive sheet. The pressure sensor includes a sensing area corresponding to a portion of the pressure sensor. A pressure concentration bump is disposed between the window and the conductive sheet. The pressure concentration bump overlaps the sensing area. The pressure sensor includes a first electrode disposed within the sensing area and a second electrode spaced apart from the first electrode.
    Type: Application
    Filed: October 26, 2018
    Publication date: November 14, 2019
    Inventors: WON KI HONG, TAE HEE LEE
  • Sensor and display device including the same
    Patent number: 10474306
    Abstract: A display device includes a display panel, a variable resistance element positioned on the display panel, a first driving wiring line and a first sensing wiring line connected to the variable resistance element with the variable resistance element disposed between the first driving wiring line and the first sensing wiring line, and a second driving wiring line and a second sensing wiring line connected to the variable resistance element with the variable resistance element disposed between the second driving wiring line and the second sensing wiring line. A first current path between the first driving wiring line and the first sensing wiring line in the variable resistance element is different from a second current path between the second driving wiring line and the second sensing wiring line in the variable resistance element.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: November 12, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Won Ki Hong, Tae Hee Lee
  • Display device
    Patent number: 10474272
    Abstract: A display device according to an exemplary embodiment includes a display panel displaying an image, and a sensor unit positioned on the display panel and configured to sense a pressure caused by a gas as an input signal.
    Type: Grant
    Filed: January 23, 2017
    Date of Patent: November 12, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hye Sog Lee, Hyo Sun Kim, Won-Ki Hong
  • DISPLAY DEVICE HAVING ROLLABLE DISPLAY PANEL
    Publication number: 20190339802
    Abstract: A rollable display panel and a rollable display device, the rollable display panel including a display region configured to display an image; a non-display region surrounding the display region; and a resistor sensor in the non-display region including sensing material of which resistance values are different by location, wherein the resistor sensor outputs a sensing signal that is regularly changed proportional to a rolling length of the rollable display panel, and a sensor driver that determines a driving region of the rollable display panel based on the sensing signal.
    Type: Application
    Filed: June 26, 2019
    Publication date: November 7, 2019
    Inventors: Won-Ki HONG, Young-Jun SEO, Tae-Hee LEE
  • DISPLAY DEVICE INCLUDING TOUCH SENSOR AND DRIVING METHOD THEREOF
    Publication number: 20190332224
    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: July 10, 2019
    Publication date: October 31, 2019
    Inventors: Seung Lyong BOK, Won Ki HONG
  • Display device and driving method for display device using the same
    Patent number: 10452194
    Abstract: A display device including a display, a plurality of gripping sensors formed at edges of the display and configured to generate a gripping signal according to a gripping of an edge of the display, a sensing scan driver configured to generate sensing input signals according to a gripping position based on the gripping signal, and a plurality of touch sensors formed on the display and configured to generate a sensing output signal in response to a touch of the display based on the sensing input signals, in which the sensing input signals include a first sensing input signal and a second sensing input signal, the first sensing input signal corresponds to a touched gripping sensor, the second sensing input signal corresponds to a non-touched gripping sensor, and the first sensing input signal has a higher voltage than the second sensing input signal.
    Type: Grant
    Filed: March 4, 2019
    Date of Patent: October 22, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Won-Ki Hong, Jong Seo Lee
  • Flexible display device and method of driving the same
    Patent number: 10444917
    Abstract: A flexible display device and a method of driving a flexible display device are provided. The method of driving the flexible display device includes detecting a capacitance change with respect to at least some coordinates of a display area, determining whether bending is occurring through the detected capacitance change, and setting a driving mode in response to a result of the step of determining whether bending is occurring, wherein the driving mode is converted into a bending mode when it is determined that bending is occurring, and the driving mode is set into a force touch mode when it is determined that bending is not occurring.
    Type: Grant
    Filed: July 31, 2017
    Date of Patent: October 15, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young Seok Seo, Won-Ki Hong, Jung Hyun Kim, Hyoung Wook Jang
  • FORCE SENSOR
    Publication number: 20190310143
    Abstract: A force sensor including a first surface and a second surface facing each other in a first direction; a first protrusion protruded from the first surface toward the second surface; a first electrode on the first protrusion; a first force sensing layer on the first electrode; a second protrusion protruded from the second surface toward the first surface; and a second electrode on the second protrusion, wherein the first protrusion and the second protrusion are not overlapped with each other or are partially overlapped with each other.
    Type: Application
    Filed: September 27, 2018
    Publication date: October 10, 2019
    Inventors: WON KI HONG, Sung Kook Park, Tae Hee Lee
  • Security device and display device including the same
    Patent number: 10438045
    Abstract: A security device includes a biometric sensor which senses biometric information of a user, a pressure sensor which senses a contact surface caused by the user and to obtain force distribution information of the contact surface, and a user authenticator which performs user authentication with reference to the biometric information and the force distribution information.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: October 8, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Won Ki Hong, Tae Hee Lee
  • DISPLAY DEVICE INCLUDING A BUMP MEMBER
    Publication number: 20190302939
    Abstract: A display device includes a display panel having a central display portion and a first edge display portion extending from the central display portion and including a first bent region. A pressure detection module overlaps the first edge and includes a first sensing electrode and a second sensing electrode which extend in different directions. A bump member is in direct contact with the pressure detection module. The bump member includes a plurality of first protruding patterns, each of which overlaps a node defined as a region in which the first sensing electrode and the second sensing electrode cross.
    Type: Application
    Filed: October 3, 2018
    Publication date: October 3, 2019
    Inventors: WON KI HONG, Tae Hee Lee, Won Sang Park
  • Display device and driving method thereof
    Patent number: 10430632
    Abstract: An exemplary embodiment of the present inventive concept provides a display device including: a display unit including a plurality of pixels disposed on a display area; a display controller configured to control the display unit; a sensor including a plurality of first sensing electrodes and a plurality of second sensing electrodes disposed in the display area; and a sensor controller configured to recognize a touch of a user inputted into the sensor in a touch sensing mode and to recognize a fingerprint of the user inputted into the sensor in a fingerprint sensing mode, wherein the sensor controller changes a mode to the fingerprint sensing mode when no touch is inputted for a predetermined time period in the touch sensing mode and changes the mode to the touch sensing mode when authorization on a fingerprint inputted into the sensor is succeeded in the fingerprint sensing mode.
    Type: Grant
    Filed: January 9, 2017
    Date of Patent: October 1, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Won Ki Hong, Jong Seo Lee