Patents by Inventor Gyeong-Ub MOON

Gyeong-Ub MOON 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: 20240032806
    Abstract: A pulse wave generation apparatus includes a pressure sensor sensing an external pressure, an optical adjustment unit configured to change a transmissivity of light, a reflection unit reflecting the light, and a control unit outputting an optical adjustment signal for changing the transmissivity based on a pressure measurement value received from the pressure sensor to the optical adjustment unit.
    Type: Application
    Filed: February 26, 2023
    Publication date: February 1, 2024
    Inventors: Gyeong Ub MOON, Jong Yeop AN, Hyeon Jun LEE
  • Publication number: 20230346315
    Abstract: A blood pressure measurement method using a display device including: a display panel including first sub-pixels and second sub-pixels; a pressure sensor to sense a pressure applied from the outside; and a photo-sensor to sense light, includes: generating a first pulse wave signal according to light emitted by the first sub-pixels and sensed by the photo-sensor; generating a second pulse wave signal according to light emitted by the second sub-pixels and sensed by the photo-sensor; generating a third pulse wave signal by removing noise from the second pulse wave signal based on the first pulse wave signal, the second pulse wave signal, and a maximum value of the first pulse wave signal; and calculating blood pressure information based on the third pulse wave signal and a pressure measurement value sensed by the pressure sensor. The blood pressure information is displayed on the display panel.
    Type: Application
    Filed: November 17, 2022
    Publication date: November 2, 2023
    Inventors: Jong Yeop AN, Gyeong Ub MOON, Hyeon Jun LEE, Bo Ram CHOI
  • Publication number: 20230345775
    Abstract: A display device includes: a first area including a plurality of first pixels; a second area adjacent to the first area, and including a plurality of second pixels; a first photo sensor adjacent to the plurality of first pixels at the first area, and to sense light; and a second photo sensor adjacent to the plurality of second pixels at the second area, and to sense light. A size of an area of the second photo sensor is different from a size of an area of the first photo sensor.
    Type: Application
    Filed: January 9, 2023
    Publication date: October 26, 2023
    Inventors: Hyeon Jun LEE, Chul KIM, Gyeong Ub MOON, Jong Yeop AN, Bo Ram CHOI
  • Publication number: 20230320597
    Abstract: The blood pressure measurement method using a display device includes generating a first pulse wave frequency signal having a magnitude of a pulse wave signal according to a frequency having a fundamental wave component and a harmonics component based on a pressure measurement value and a pulse wave signal, calculating a coefficient of a transfer function based on center frequencies and maximum gains at center frequencies of first harmonics to third harmonics of the first pulse wave frequency signal, generating a second pulse wave frequency signal by blocking noise components of the first harmonics to the third harmonics of the first pulse wave frequency signal based on the transfer function, generating a first pulse wave signal having a magnitude of a pulse wave signal according to a pressure based on the second pulse wave frequency signal, and calculating blood pressure information based on the first pulse wave signal.
    Type: Application
    Filed: October 13, 2022
    Publication date: October 12, 2023
    Inventors: Gyeong Ub MOON, Bo Ram CHOI, Jong Yeop AN, Hyeon Jun LEE
  • Publication number: 20230255502
    Abstract: A display device is provided. The display device includes a display panel including a pixel configured to display an image and a photo-sensor configured to sense incident light, a pressure sensor disposed on one surface of the display panel and configured to sense a pressure applied via a portion of a user’s body, and a processor. The processor is configured to generate a pulse wave signal according to an amount of incident light sensed by the photo-sensor and an optical signal corresponding to the amount of incident light in response to determining that a pressure measurement value corresponding to the pressure is within a pressure request range corresponding to a pressure interval, and calculate blood pressure information based on the pulse wave signal.
    Type: Application
    Filed: October 6, 2022
    Publication date: August 17, 2023
    Inventors: Jong Yeop AN, Gyeong Ub MOON, Hyeon Jun LEE, Bo Ram CHOI
  • Publication number: 20230230544
    Abstract: A display device is provided that includes a plurality of pixels, a plurality of optical sensors, an emission line connected to the pixels, and an emission driver connected to the emission line. The emission driver outputs a first emission signal to the emission line having a first frame frequency in a first mode for displaying an image using the pixels and outputs a second emission signal to the emission line having a second frame frequency in a second mode for sensing light using the optical sensors. The second frame frequency is different from the first frame frequency.
    Type: Application
    Filed: October 12, 2022
    Publication date: July 20, 2023
    Inventors: Gyeong Ub MOON, Jong Yeop An, Hyeon Jun Lee, Bo Ram Choi
  • Publication number: 20230172553
    Abstract: A display device capable of measuring a user's blood pressure by analyzing a photoplethysmographic signal is disclosed. The display device includes a display panel including a plurality of pixels; a force sensor disposed on a surface of the display panel, the force sensor configured to sense an external force; a light receiving sensor disposed between a group of neighboring pixels of the plurality of pixels, or disposed in a through hole in a front portion of the display panel, the light receiving sensor configured to sense an amount of light reflected toward the display panel and generate an optical signal corresponding to the amount of light; and a main processor configured to generate a pulse wave signal according to the optical signal received from the light receiving sensor and analyze a magnitude, a period, and a wave change of the pulse wave signal.
    Type: Application
    Filed: August 1, 2022
    Publication date: June 8, 2023
    Inventors: JONG YEOP AN, GYEONG UB MOON, BO RAM CHOI, HYEON JUN LEE
  • Patent number: 11637155
    Abstract: A display device includes: a display panel; an input sensor on the display panel; a panel driving circuit to drive the display panel, and to output a synchronization signal; and a sensor controller to control the input sensor. The sensor controller determines a sensing mode in response to the synchronization signal, and changes the sensing mode to a second sensing mode when the synchronization signal is activated in a first sensing mode.
    Type: Grant
    Filed: June 7, 2021
    Date of Patent: April 25, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Gyeong-Ub Moon, Yun-Ho Kim, Chui Kim, Jaeuk Choi
  • Publication number: 20230114016
    Abstract: A display device measures a user's blood pressure by detecting a photoplethysmography signal. A display device includes a display panel that includes a through hole and a pixel area that surrounds the through hole and includes pixels that display an image, a pressure sensor disposed on a surface of the display panel and configured to sense an externally applied pressure, a light-emitting member disposed at a position that overlaps the through hole of the display panel and outputs light toward a front side of the display panel through the through hole, and a light-receiving sensor that faces the front side of the display panel and is configured to sense light reflected from the front side of the display panel toward the display panel.
    Type: Application
    Filed: May 31, 2022
    Publication date: April 13, 2023
    Inventors: Bo Ram CHOI, Gyeong Ub MOON, Jong Yeop AN, Hyeon Jun LEE
  • Publication number: 20220181394
    Abstract: A display device includes: a display panel; an input sensor on the display panel; a panel driving circuit to drive the display panel, and to output a synchronization signal; and a sensor controller to control the input sensor. The sensor controller determines a sensing mode in response to the synchronization signal, and changes the sensing mode to a second sensing mode when the synchronization signal is activated in a first sensing mode.
    Type: Application
    Filed: June 7, 2021
    Publication date: June 9, 2022
    Inventors: Gyeong-Ub Moon, Yun-Ho Kim, Chul Kim, Jaeuk Choi
  • Patent number: 10522100
    Abstract: A method of driving a display panel includes compensating first pixel data corresponding to a first pixel of a plurality of pixels in the display panel based on at least one of a first decision, a second decision, or a third decision and generating a first data voltage corresponding to the compensated first pixel data. The first data voltage is applied to the first pixel through a data line. The first decision includes determining, based on a position of the first pixel, whether compensation for the first pixel data is required. The second decision includes determining, based on previous subpixel data and present subpixel data for the first pixel, whether the compensation for the first pixel data is required. The third decision includes determining whether the first pixel data complies with a compensation avoidance condition.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: December 31, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae-Won Jeong, Kwan-Young Oh, Ga-Na Kim, Gyeong-Ub Moon, Po-Yun Park, Ji-Woong Jeong, Kyung-Uk Choi, Sang-Ho Park
  • Patent number: 10254905
    Abstract: A touch display apparatus includes a display panel, a touch electrode, a first pressure sensing electrode, a polarizer and a second pressure sensing electrode. The display panel includes a display region and a peripheral region, and displays an image. The touch electrode is disposed on the display region of the display panel, includes a plurality of touch patterns, and detects a touch position. The first pressure sensing electrode is disposed on the peripheral region of the display panel. The touch electrode and the first pressure sensing electrode are disposed in the same layer. The polarizer is disposed on the touch electrode and the first pressure sensing electrode, and includes a dielectric elastomer material. The second pressure sensing electrode is disposed on the polarizer, and overlaps the first pressure sensing electrode.
    Type: Grant
    Filed: February 28, 2017
    Date of Patent: April 9, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Moon Sung Choi, Gyeong-Ub Moon, Sangho Park, Ji Hong Park, Sang Min Choi
  • Patent number: 10163182
    Abstract: A command input method includes: converting an original pixel data into command embedded pixel data based on a command to control a device, the command being embedded in the command embedded pixel data; transmitting the command embedded pixel data from a host to the device; extracting the command from the command embedded pixel data; and controlling the device according to the extracted command.
    Type: Grant
    Filed: January 12, 2016
    Date of Patent: December 25, 2018
    Assignee: Innovation Counsel LLP
    Inventors: Gyeong-ub Moon, Ga-na Kim, Sangho Park, Jae-won Jeong, Ji-woong Jeong, Kyung-uk Choi
  • Patent number: 9922397
    Abstract: There is provided an image display system. The image display system includes a touch controller configured to generate first touch event information and second touch event information each corresponding to a touch signal output from a touch panel, a display data generating unit configured to generate first display data to be displayed during one frame in response to the first touch event information, a graphic processing unit (GPU) configured to combine second display data with the first display data so as to generate output image data, the second display data corresponding to the second touch event information supplied from the touch controller, and a display controller configured to supply output image data generated by the GPU to a display panel.
    Type: Grant
    Filed: October 19, 2016
    Date of Patent: March 20, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Gyeong Ub Moon, Sang Ho Park, Ji Hong Park, Moon Sung Choi, Sang Min Choi
  • Publication number: 20170255298
    Abstract: A touch display apparatus includes a display panel, a touch electrode, a first pressure sensing electrode, a polarizer and a second pressure sensing electrode. The display panel includes a display region and a peripheral region, and displays an image. The touch electrode is disposed on the display region of the display panel, includes a plurality of touch patterns, and detects a touch position. The first pressure sensing electrode is disposed on the peripheral region of the display panel. The touch electrode and the first pressure sensing electrode are disposed in the same layer. The polarizer is disposed on the touch electrode and the first pressure sensing electrode, and includes a dielectric elastomer material. The second pressure sensing electrode is disposed on the polarizer, and overlaps the first pressure sensing electrode.
    Type: Application
    Filed: February 28, 2017
    Publication date: September 7, 2017
    Inventors: Moon Sung CHOI, Gyeong-Ub MOON, Sangho PARK, Ji Hong PARK, Sang Min CHOI
  • Publication number: 20170123589
    Abstract: There is provided an image display system. The image display system includes a touch controller configured to generate first touch event information and second touch event information each corresponding to a touch signal output from a touch panel, a display data generating unit configured to generate first display data to be displayed during one frame in response to the first touch event information, a graphic processing unit (GPU) configured to combine second display data with the first display data so as to generate output image data, the second display data corresponding to the second touch event information supplied from the touch controller, and a display controller configured to supply output image data generated by the GPU to a display panel.
    Type: Application
    Filed: October 19, 2016
    Publication date: May 4, 2017
    Inventors: Gyeong Ub MOON, Sang Ho PARK, Ji Hong PARK, Moon Sung CHOI, Sang Min CHOI
  • Patent number: 9602792
    Abstract: A display device is provided including a timing controller configured to output a test image signal, a data driver configured to output a plurality of data voltages corresponding to the test image signal; and a display panel configured to display a test image corresponding to the data voltages, wherein the timing controller includes a first processor configured to output the test image signal in response to a test signal, and a second processor configured to receive luminance information of the test image, correct a predetermined reference gamma voltage corresponding to the test image with reference to the received luminance information, and output the test signal, which corresponds to the reference gamma voltage, to the first processor.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: March 21, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae-Won Jeong, Ga-Na Kim, Gyeong-Ub Moon, Kyung-Uk Choi, Myeongsu Kim
  • Publication number: 20160217762
    Abstract: A command input method includes: converting an original pixel data into command embedded pixel data based on a command to control a device, the command being embedded in the command embedded pixel data; transmitting the command embedded pixel data from a host to the device; extracting the command from the command embedded pixel data; and controlling the device according to the extracted command.
    Type: Application
    Filed: January 12, 2016
    Publication date: July 28, 2016
    Inventors: Gyeong-ub MOON, Ga-na KIM, Sangho PARK, Jae-won JEONG, Ji-woong JEONG, Kyung-uk CHOI
  • Patent number: 9317975
    Abstract: A three-dimensional image display apparatus includes a panel including a plurality of pixels and which displays an image, a relative viewer angle determining part which determines a relative viewer angle, where the relative viewer angle is a relative angle of a viewer with respect to the panel, and a light converting part which transmits the image on the panel to a left eye and a right eye of the viewer based on the relative viewer angle, where the light converting part includes a plurality of light converting units which is arranged substantially in a matrix form and generates a pattern.
    Type: Grant
    Filed: August 16, 2013
    Date of Patent: April 19, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Gyeong-Ub Moon, Hyun-Seok Ko
  • Publication number: 20160050402
    Abstract: A display device is provided including a timing controller configured to output a test image signal, a data driver configured to output a plurality of data voltages corresponding to the test image signal; and a display panel configured to display a test image corresponding to the data voltages, wherein the timing controller includes a first processor configured to output the test image signal in response to a test signal, and a second processor configured to receive luminance information of the test image, correct a predetermined reference gamma voltage corresponding to the test image with reference to the received luminance information, and output the test signal, which corresponds to the reference gamma voltage, to the first processor.
    Type: Application
    Filed: March 31, 2015
    Publication date: February 18, 2016
    Inventors: JAE-WON JEONG, GA-NA KIM, GYEONG-UB MOON, KYUNG-UK CHOI, MYEONGSU KIM