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: 11985846
    Abstract: A display device includes: a substrate; a display element on the substrate; a capping layer on the display element; and a thin film encapsulation layer on the capping layer, wherein the capping layer includes: a first capping layer on the display element; a second capping layer on the first capping layer, the second capping layer having a refractive index greater than that of the first capping layer; and a third capping layer on the second capping layer, the third capping layer having a refractive index smaller than that of the second capping layer, wherein the second capping layer has a thickness of 30 nanometers (nm) to 60 nm.
    Type: Grant
    Filed: April 9, 2021
    Date of Patent: May 14, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dal Ho Kim, Hee Seong Jeong, Won Ju Kwon, Sun Hwa Kim, Hyang Ki Sung, Na Ri Heo, Sang Min Hong
  • Publication number: 20240137323
    Abstract: A traffic categorization method and device are disclosed. A traffic categorization method according to one embodiment of the present invention may comprise the steps of: receiving flow data comprising information about a flow; scaling for the flow data; generating input data by removing, on the basis of a correlation, overlapping data from the scaled flow data; and categorizing a network traffic on the basis of the input data.
    Type: Application
    Filed: April 9, 2020
    Publication date: April 25, 2024
    Applicant: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION
    Inventors: Won Ki HONG, Jae Hyoung YOO, Ji Bum HONG
  • Patent number: 11961322
    Abstract: Provided are a force sensor, a display device including the same, and a method of driving the same. The force sensor includes a first base substrate and a second base substrate facing each other; first force sensor electrodes extending in a first direction and arranged in a second direction crossing the first direction on the first base substrate; second force sensor electrodes extending in the second direction and arranged in the first direction on the second base substrate; and a sensor hole configured to transmit light. Any one of the first force sensor electrodes includes a first sub-force sensor electrode disposed on a first side of the sensor hole and a second sub-force sensor electrode disposed on a second side opposite to the first side of the sensor hole.
    Type: Grant
    Filed: March 1, 2021
    Date of Patent: April 16, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hee Seomoon, Won Ki Hong, Hyeon Jun Lee
  • Patent number: 11928298
    Abstract: Disclosed is a display device including a display panel that displays an image on a display surface and an input sensor having a sensor area and a dummy area defined therein. The input sensor includes a first conductive layer that is disposed on the display panel and that includes a first dummy electrode disposed in the sensor area and the dummy area, a second conductive layer that is disposed on the first conductive layer and that includes a sensor electrode disposed in the sensor area and a second dummy electrode disposed in the dummy area, and a pressure sensor electrode disposed between the first dummy electrode and the second dummy electrode.
    Type: Grant
    Filed: June 28, 2022
    Date of Patent: March 12, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung-Lyong Bok, Chang Sik Kim, Won-Ki Hong
  • Patent number: 11921080
    Abstract: The gas sensor according to an exemplary embodiment of the present invention comprises: an FET device including one or more gate electrodes; a sensor array part including a plurality of sensors, in which a first electrode of each sensor is connected to at least one gate electrode of the plurality of gate electrodes in the FET device; and a controller detecting a gas using a current between a drain-source in response to voltage changes in the gate electrode of the FET device, wherein each sensor includes: a first electrode connected to a gate electrode of the FET device; a second electrode receiving an operating voltage through a switch controlled by the controller; and a detection film interposed between the first electrode and the second electrode.
    Type: Grant
    Filed: December 31, 2020
    Date of Patent: March 5, 2024
    Assignee: KOREA ELECTRONICS TECHNOLOGY INSTITUTE
    Inventors: Kook Nyung Lee, Woo Kyeong Seong, Won Hyo Kim, Dong Ki Hong, Hye Lim Kang
  • Patent number: 11911153
    Abstract: The present invention provides a device for measuring biological information including a sensor array, wherein the sensor array includes a plurality of sensors that are either sensors for amplifying photoreactivity or sensors forming an island network connected by a plurality of multi-channels and, in the device, the average value of biological information about the skin tissues is measured based on values output from the sensor array, and a method of measuring biological information using the device.
    Type: Grant
    Filed: November 4, 2020
    Date of Patent: February 27, 2024
    Assignees: UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY, Korea Electronics Technology Institute
    Inventors: Sun Kook Kim, Sung Ho Lee, Min Goo Lee, Hyuk Sang Jung, Min Jung Kim, Young Ki Hong, Won Geun Song
  • Patent number: 11874975
    Abstract: An electronic pen includes a projector configured to generate a virtual code pattern, a light-emitting unit configured to emit light to a detection area, a light-receiving unit configured to detect light reflected from the detection area, and a code processor configured to control the projector, the light-emitting unit, and the light-receiving unit. The code processor is configured to, when a code pattern is detected in a portion of the detection area, generate the virtual code pattern, which corresponds to a remaining portion of the detection area. The projector is configured to output the virtual code pattern to the remaining portion of the detection area.
    Type: Grant
    Filed: October 31, 2022
    Date of Patent: January 16, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyung Chul Kim, Won Ki Hong
  • Patent number: 11836312
    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: Grant
    Filed: December 7, 2020
    Date of Patent: December 5, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Won Ki Hong, Tae Hee Lee, Sung Kook Park, So Hee Park, Hee Seomoon
  • Publication number: 20230376144
    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: August 7, 2023
    Publication date: November 23, 2023
    Inventors: Seung Lyong BOK, Won Ki HONG
  • Patent number: 11793465
    Abstract: A display device includes: a display panel including a first area having a first light transmissivity and a second area having a second light transmissivity higher than the first light transmissivity; a pressure sensor overlapping the first area; a light emitter overlapping the second area; a light receiver overlapping the second area and spaced from the light emitter; and a processor to control the light emitter and the pressure sensor, and to output a blood pressure signal on a basis of a pressure sensing signal from the pressure sensor and a light sensing signal from the light receiver.
    Type: Grant
    Filed: November 19, 2020
    Date of Patent: October 24, 2023
    Assignee: Samsung Display Co., LTD.
    Inventors: Won-Ki Hong, Hee Seomoon, Hyeon Jun Lee
  • Patent number: 11775124
    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: Grant
    Filed: April 3, 2022
    Date of Patent: October 3, 2023
    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: 20230305646
    Abstract: An electronic pen includes a projector configured to generate a virtual code pattern, a light-emitting unit configured to emit light to a detection area, a light-receiving unit configured to detect light reflected from the detection area, and a code processor configured to control the projector, the light-emitting unit, and the light-receiving unit. The code processor is configured to, when a code pattern is detected in a portion of the detection area, generate the virtual code pattern, which corresponds to a remaining portion of the detection area. The projector is configured to output the virtual code pattern to the remaining portion of the detection area.
    Type: Application
    Filed: October 31, 2022
    Publication date: September 28, 2023
    Inventors: Hyung Chul KIM, Won Ki HONG
  • Publication number: 20230297136
    Abstract: A display device including a display panel comprising at least one folding area. At least one elasticity-adjusting unit that changes an elastic force of the at least one folding area. An elasticity-adjusting circuit adjusting an elastic modulus for the at least one elasticity-adjusting unit in response to a change of a folding state of the at least one folding area. The at least one elasticity-adjusting unit has a width substantially equal to a width of the at least one folding area and the at least one elasticity-adjusting unit is disposed on a rear surface of the at least one folding area.
    Type: Application
    Filed: November 7, 2022
    Publication date: September 21, 2023
    Inventors: Ji Hun RYU, Won Ki HONG, Su Yul SEO, Kyung Min CHOI, Jeong An HONG
  • Publication number: 20230251733
    Abstract: A display device includes: a display panel; a frame disposed on one surface of the display panel; a vibration generator disposed on one surface of the frame opposite to the one surface of the display panel; and a shielding member which protrudes from the one surface of the middle frame.
    Type: Application
    Filed: February 2, 2023
    Publication date: August 10, 2023
    Inventors: Sung Kook PARK, Suk KIM, So Hee PARK, Hee SEOMOON, Tae Hee LEE, Won Ki HONG
  • Patent number: 11703972
    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: Grant
    Filed: September 14, 2020
    Date of Patent: July 18, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Won Ki Hong, Sung Kook Park, Tae Hee Lee
  • Publication number: 20230185333
    Abstract: A display device includes a display panel, a first measurement enabling unit, a second measurement enabling unit, and a processor. The display panel may display an image. The display panel includes a first non-folding part, a second non-folding part, and a first folding part. The first non-folding part is connected through the folding part to the second non-folding part. The first measurement enabling unit is disposed in or overlaps with the first non-folding part and may emit first light. The second measurement enabling unit is disposed in or overlaps with the second non-folding part and may output a first signal in response to at least one of a received force and received light. The processor is connected to the second measurement enabling unit and may use the first signal to determine a blood pressure value.
    Type: Application
    Filed: June 29, 2022
    Publication date: June 15, 2023
    Inventors: Seong Jun LEE, Won Ki HONG
  • Publication number: 20230185390
    Abstract: A display device includes a display panel. A metal plate is disposed on a bottom surface of the display panel and includes a first surface facing the bottom surface of the display panel and a second surface opposite to the one surface. A fingerprint sensor overlaps the second surface of the metal plate. The metal plate includes a recess that is recessed in a direction from the second surface of the metal plate toward the first surface.
    Type: Application
    Filed: August 15, 2022
    Publication date: June 15, 2023
    Inventors: SU YUL SEO, Ji Hun Ryu, Kwang Hyun Baek, Kyung Min Choi, Won Ki Hong, Jeong An Hong
  • Patent number: 11676413
    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: March 15, 2021
    Date of Patent: June 13, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Won Ki Hong, Jong Seo Lee
  • Publication number: 20230168759
    Abstract: A force sensor includes first and second substrates. The second substrate faces the first substrate. A driving electrode is disposed on a first surface of the first substrate facing the second substrate. A sensing electrode is disposed on the first surface of the first substrate and is spaced apart from the driving electrode. A force sensitive layer is disposed on a first surface of the second substrate, facing the first substrate. The driving electrode includes a main driving protrusion that protrudes from a side surface of the driving electrode, facing the sensing electrode.
    Type: Application
    Filed: January 31, 2023
    Publication date: June 1, 2023
    Inventors: WON KI HONG, SUNG KOOK PARK, SO HEE PARK, HEE SEOMOON, YOUNG SEOK SEO, TAE HEE LEE
  • Patent number: D985604
    Type: Grant
    Filed: August 17, 2021
    Date of Patent: May 9, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hee Seomoon, Sung Kook Park, So Hee Park, Tae Hee Lee, Won Ki Hong