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).

  • Patent number: 11068102
    Abstract: A display device is provided. The display device includes: a display panel including a first area, a second area, and a folding area between the first area and the second area, and a force sensor at one surface of the display panel. The force sensor includes a plurality of first touch cells overlapping the first area or the second area, a plurality of second touch cells overlapping the folding area, and a touch driver which controls a threshold voltage of the plurality of second touch cells on the basis of an intensity of a base force of the plurality of second touch cells.
    Type: Grant
    Filed: July 14, 2020
    Date of Patent: July 20, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyeon Jun Lee, Won Ki Hong, So Hee Park, Hee Seomoon
  • Publication number: 20210216160
    Abstract: A display device includes: a display panel; an input sensing panel; a display flexible circuit board to control the display panel having an input sensing driving circuit electrically connected to the input sensing panel, the display flexible circuit board being connected to the display panel; and a first pressure sensor disposed adjacent to and extending along a first edge of the display panel, wherein the first pressure sensor is electrically connected to the input sensing driving circuit of the display flexible circuit board.
    Type: Application
    Filed: March 29, 2021
    Publication date: July 15, 2021
    Inventors: Tae Hee Lee, Sung Kook Park, So Hee Park, Hee Seomoon, Won Ki Hong
  • Publication number: 20210200974
    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: March 15, 2021
    Publication date: July 1, 2021
    Inventors: Won Ki HONG, Jong Seo LEE
  • Patent number: 11048354
    Abstract: A touch sensor and a touch sensing system including the same. The touch sensor according to an embodiment may include a substrate having a first surface and a second surface opposite the first surface, a plurality of first electrodes on the first surface of the substrate, a plurality of second electrodes on the second surface of the substrate, and a plurality of coupling parts configured to couple the plurality of first electrodes to the plurality of second electrodes, respectively. Each of the first electrodes and the second electrodes has a spirally wound shape.
    Type: Grant
    Filed: January 4, 2018
    Date of Patent: June 29, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventor: Won Ki Hong
  • Patent number: 11042241
    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: Grant
    Filed: April 20, 2020
    Date of Patent: June 22, 2021
    Inventors: Seung Lyong Bok, Won Ki Hong
  • Patent number: 11036298
    Abstract: A display device including a display panel; a first force sensor and a second force sensor disposed below the display panel; and a first vibration generator and a second vibration generator disposed below the display panel. The first vibration generator vibrates when a force is applied to the first force sensor, and the second vibration generator vibrates when a force is applied to the second force sensor. The vibration of the first vibration generator is different from the vibration of the second vibration generator.
    Type: Grant
    Filed: July 11, 2019
    Date of Patent: June 15, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hee Seomoon, Won Ki Hong, Sung Kook Park, So Hee Park, Tae Hee Lee
  • Patent number: 11029724
    Abstract: A display device includes: a display panel; and a sensor provided on one surface of the display panel to detect external pressure. The sensor includes: a first base substrate having a sensing region and a non-sensing region; a plurality of first conductive patterns extending in a first direction in the sensing region of the first base substrate; a second base substrate facing opposite to the first base substrate; a plurality of second conductive patterns extending in a second direction intersecting the first conductive patterns disposed on a surface of the second base substrate; a pressure sensitive material layer disposed between the first and second conductive patterns, the pressure sensitive material layer having a resistance that varies in response to pressure; and an adhesive layer connecting the first and second base substrate, the adhesive layer being disposed in the same layer as the pressure sensitive material layer.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: June 8, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Won Ki Hong, Tae Hee Lee
  • Patent number: 11023064
    Abstract: A display device including a first pressure sensor disposed under a display panel that includes an upper surface, a first upper curved portion extended from a first edge of the upper surface, and a first side surface extended from the first upper curved portion. The first pressure sensor is disposed in the first upper curved portion.
    Type: Grant
    Filed: May 16, 2019
    Date of Patent: June 1, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hee Seomoon, Won Ki Hong, Sung Kook Park, So Hee Park, Tae Hee Lee
  • Publication number: 20210141492
    Abstract: A display device including a display panel having a first area, a second area, and a plurality of pixels to provide an image during a frame period, and a touch panel including a first touch part including first and second touch coils insulated from each other, and a second touch part including first touch electrodes and second touch electrodes insulated each other, in which corresponding second scan signals are applied to the first touch electrodes disposed in the first area when corresponding first scan signals are applied to the first touch coils disposed in the second area during a first period of the frame period, the second touch coils are configured to provide first sensing signals according to a resonant frequency of an input device, and the second touch electrodes are configured to provide second sensing signals according to a variation in a capacitance.
    Type: Application
    Filed: January 19, 2021
    Publication date: May 13, 2021
    Inventors: KANGWON LEE, INCHEOL KIM, UNG CHOI, Won-ki HONG, SEUNGHO NAM, JIHONG PARK, CHUL KIM, HOJIN BYUN, Kiseok CHA
  • Publication number: 20210132727
    Abstract: A display device is provided. The display device includes: a display panel including a first area, a second area, and a folding area between the first area and the second area, and a force sensor at one surface of the display panel. The force sensor includes a plurality of first touch cells overlapping the first area or the second area, a plurality of second touch cells overlapping the folding area, and a touch driver which controls a threshold voltage of the plurality of second touch cells on the basis of an intensity of a base force of the plurality of second touch cells.
    Type: Application
    Filed: July 14, 2020
    Publication date: May 6, 2021
    Inventors: Hyeon Jun LEE, Won Ki HONG, So Hee PARK, Hee SEOMOON
  • Publication number: 20210124452
    Abstract: A display device controls a display by changing a reference value set in a foldable area of a display panel. The display device includes a display panel displays an image and outputs force sensing signals, and a controller that converts the force sensing signals into force values and controls the display when the force values in the foldable area of the display area are equal to or greater than a second reference value different from a first reference value.
    Type: Application
    Filed: June 22, 2020
    Publication date: April 29, 2021
    Inventors: WON KI HONG, So Hee Park, Moon Hee Seo, Hyeon Jun Lee
  • Patent number: 10990213
    Abstract: A display device includes a bracket, a display panel, a first force sensor, and a main circuit board. The display panel is disposed on the bracket. The first force sensor is disposed between the display panel and the bracket, the first force sensor being adjacent to a first edge of the display panel. The main circuit board is disposed below the bracket such that the bracket is disposed between the display panel and the main circuit board. The bracket includes a first hole exposing the main circuit board. The first force sensor is connected to the main circuit board through the first hole.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: April 27, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae Hee Lee, Sung Kook Park, So Hee Park, Hee Seomoon, Won Ki Hong
  • Publication number: 20210117033
    Abstract: A display device includes: a display panel; a first force sensor disposed under the display panel; and a first waterproof member disposed under the display panel and disposed on an outer side of the first force sensor, wherein a height of the first waterproof member is larger than a height of the first force sensor.
    Type: Application
    Filed: December 7, 2020
    Publication date: April 22, 2021
    Inventors: Won Ki HONG, Tae Hee LEE, Sung Kook PARK, So Hee PARK, Hee SEOMOON
  • Publication number: 20210117064
    Abstract: A force sensor includes: a plurality of touch cells comprising a plurality of driving electrodes, a pressure sensing layer overlapping the driving electrodes, and a plurality of sensing electrodes overlapping the pressure sensing layer; and a touch driver configured to receive a raw data from the plurality of touch cells and to detect a touch pressure applied to the plurality of touch cells. The touch driver includes: a filtering unit configured to filter the raw data and to output sensing data; a data storage unit configured to store max data having the highest value from among the sensing data and propagation data of at least one adjacent touch cell adjacent to a max touch cell having the max data; and a noise removing unit configured to detect and remove noise from the sensing data.
    Type: Application
    Filed: June 4, 2020
    Publication date: April 22, 2021
    Inventors: Hyeon Jun LEE, Won Ki HONG, So Hee PARK, Hee SEOMOON
  • Publication number: 20210102823
    Abstract: A pressure sensor, includes: a first substrate; a pressure sensing layer on one surface of the first substrate; and a driving electrode and a sensing electrode on the pressure sensing layer and spaced apart from each other, wherein the driving electrode and the sensing electrode are on a same layer, and each of the driving electrode and the sensing electrode is directly on the pressure sensing layer.
    Type: Application
    Filed: April 17, 2020
    Publication date: April 8, 2021
    Inventors: So Hee PARK, Won Ki HONG, Hee SEOMOON, Hyeon Jun LEE
  • Publication number: 20210103353
    Abstract: A display device includes a display panel, a first force sensor, a first vibration generator, and a first electromagnetic wave shielding member. The first force sensor is disposed under the display panel. The first vibration generator is disposed under the display panel and adjacent to the first force sensor. The first electromagnetic wave shielding member surrounds side surfaces of the first vibration generator.
    Type: Application
    Filed: November 23, 2020
    Publication date: April 8, 2021
    Inventors: Sung Kook PARK, Suk KIM, So Hee PARK, Hee SEOMOON, Tae Hee LEE, Won Ki HONG
  • Patent number: 10969890
    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: Grant
    Filed: September 17, 2019
    Date of Patent: April 6, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Won-Ki Hong, Jong Seo Lee
  • Patent number: 10969909
    Abstract: A touch screen panel includes a first touch electrode part, a second touch electrode part, a first touch router, a second touch router and plural third touch routers. The first touch electrode part includes plural first touch units. The second touch electrode part is substantially parallel to the first touch electrode part. The second touch electrode part includes plural second touch units. The first touch router is disposed adjacent to the first touch electrode part and is connected to one of an even-numbered first touch unit and an odd-numbered first touch unit of the first touch units. The second touch router is disposed adjacent to the first touch electrode part and is connected to the other of the even-numbered first touch unit and the odd-numbered first touch unit of the first touch units. The third touch routers are connected to each of the second touch units, respectively.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: April 6, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Won-Ki Hong, Seung-Ho Nam, Ji-Hong Park, Moon-Sung Choi
  • Publication number: 20210096720
    Abstract: A pressure sensor for a display device, includes: a plurality of touch cells having a plurality of driving electrodes disposed on a first substrate, a plurality of sensing electrodes disposed on a second substrate overlapping the first substrate, and a pressure sensing layer interposed between the plurality of driving electrodes and the plurality of sensing electrodes, the driving electrodes and sensing electrodes overlapping each other; and a touch driver to drive the plurality of touch cells and to detect touch pressure of the plurality of touch cells; wherein, when a plurality of touch areas including at least one touch cell are detected, the touch driver is configured to compare magnitude of touch pressures of the plurality of touch areas and to ignore at least one touch input in at least one touch area.
    Type: Application
    Filed: July 2, 2020
    Publication date: April 1, 2021
    Inventors: Hee Seomoon, Won Ki Hong, So Hee Park, Hyeon Jun Lee
  • Patent number: 10963080
    Abstract: A display device includes: a display panel; an input sensing panel; a display flexible circuit board to control the display panel having an input sensing driving circuit electrically connected to the input sensing panel, the display flexible circuit board being connected to the display panel; and a first pressure sensor disposed adjacent to and extending along a first edge of the display panel, wherein the first pressure sensor is electrically connected to the input sensing driving circuit of the display flexible circuit board.
    Type: Grant
    Filed: February 11, 2019
    Date of Patent: March 30, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae Hee Lee, Sung Kook Park, So Hee Park, Hee Seomoon, Won Ki Hong