Patents by Inventor Young-Wook Yoo

Young-Wook Yoo 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: 20210103751
    Abstract: An object detection post-processing device of a display device, includes: an input to receive position information of an object that is detected from input image data for the display device in a current frame; a position information storage device to accumulatively store the position information of a plurality of previous frames; an accumulated position calculator to generate accumulated position information according to the position information of the current frame and the position information of the plurality of previous frames; and a position information determiner to determine final position information according to the accumulated position information, and to output the final position information.
    Type: Application
    Filed: May 4, 2020
    Publication date: April 8, 2021
    Inventors: Jun Gyu LEE, Hyeon Min KIM, Kuk-Hwan AHN, Young Wook YOO, Hyun Jun LIM, Byung Ki CHUN
  • Publication number: 20210103765
    Abstract: A driving controller includes a logo detector. The logo detector includes a histogram extractor which receives input image data and extracts a first histogram from logo area data of the input image data, a first histogram regenerator electrically connected to the histogram extractor and configured to receive the first histogram from the histogram extractor to generate a second histogram based on the first histogram and a logo map determiner electrically connected to the histogram extractor and the first histogram regenerator, and configure to select one of the first histogram and the second histogram to generate a first logo map. The driving controller is configured to compensate the logo area data of the input image data using the first logo map.
    Type: Application
    Filed: June 3, 2020
    Publication date: April 8, 2021
    Inventors: Byung Ki CHUN, Kuk-Hwan AHN, Young Wook YOO, Jungyu LEE, Hyunjun LIM
  • Publication number: 20210027700
    Abstract: A display device including: a first pixel region including first pixels connected to a data line and first scan lines; a second pixel region in contact with the first pixel region at a first boundary and including second pixels connected to the data line and second scan lines; and a third pixel region in contact with the second pixel region at a second boundary and including third pixels connected to the data line and third scan lines, wherein the display device is configured to scale an image displayed in the second pixel region one or more times based on the second pixel region maintaining a folded state.
    Type: Application
    Filed: July 1, 2020
    Publication date: January 28, 2021
    Inventors: Byung Ki CHUN, Seung Jae LEE, Hae Kwan SEO, Chang Noh YOON, Soon Dong KIM, Ji Hye KIM, Jun Gyu LEE, Jun Heyung JUNG, Young Wook YOO, Kuk Hwan AHN, Hyun Jun LIM
  • Publication number: 20200082796
    Abstract: An afterimage compensator includes: a global shifter configured to determine an upscaling area and a downscaling area of a display unit, that together correspond to a preset global shift path, to shift a main image of the display unit; a logo shifter configured to analyze image data corresponding to a logo image and a preset logo peripheral area surrounding the logo image, and configured to determine a logo upscaling area and a logo downscaling area that are each included in the logo peripheral area, the logo shifter being further configured to shift the logo image; and a scaler configured to combine the upscaling area, the downscaling area, the logo upscaling area, and the logo downscaling area and configured to scale image data corresponding to the combined scaling area.
    Type: Application
    Filed: June 20, 2019
    Publication date: March 12, 2020
    Inventors: Byung Ki CHUN, Young Wook YOO, Jun Gyu LEE
  • Publication number: 20200074596
    Abstract: An afterimage compensator includes: a logo detector configured to detect a logo area including a logo image displayed in a display panel and a logo background image included in a preset range at the periphery of the logo image, based on input image data; a blurring determiner configured to determine a blurring area corresponding to the logo image, using the logo image and the logo background image; and an image corrector configured to blur the logo image, based on the blurring area.
    Type: Application
    Filed: July 8, 2019
    Publication date: March 5, 2020
    Inventors: Byung Ki CHUN, Young Wook YOO, Jun Gyu LEE
  • Patent number: 10497317
    Abstract: An integration driver includes a plurality of stages. Each of the plurality of stages includes a scan signal generator including first to third nodes and a fifth node and an emission control signal generator including a fourth node and sixth node. The scan signal generator is configured to generate a first signal provided to a first node, a second signal provided to a second node, and a third signal provided to a third node using a first clock signal, a second clock signal, and a start signal or a carry signal, and generate a scan signal using the second signal and the third signal. The emission control signal generator is configured to generate a fourth signal provided to a fourth node using the third signal and the second clock signal, and generate an emission control signal using the first signal and the fourth signal.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: December 3, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae-Keun Lim, Ji-Eun Park, Young-Wook Yoo, Hassan Kamal
  • Patent number: 10467947
    Abstract: A display device includes a first display region, a second display region, a first lens, and a second lens. The first display region includes a first pixel subset and may display a first image. The first image includes a first sub-image corresponding to the first pixel subset and smaller than the first image. The second display region neighbors the first display region, includes a second pixel subset, and may display a second image. The second image includes a second sub-image corresponding to the second pixel subset and smaller than the second image. The second pixel subset is not identical to the first pixel subset. The first lens may show the first sub-image without providing the entire first image. The second lens may show the second sub-image without providing the entire second image when the first lens shows the first sub-image.
    Type: Grant
    Filed: June 19, 2017
    Date of Patent: November 5, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ji-Eun Park, Jae-Keun Lim, Jin-Woo Noh, Young-Wook Yoo, Hassan Kamal
  • Patent number: 10455170
    Abstract: An image processor includes a scaling unit configured to output converted data by resizing first image data; and a rendering unit configured to receive second image data, to output rendering data by rendering the second image data, and to calculate a target rendering data value based on data values corresponding to a first block of M*N among the second image data, where each of M and N is an integer greater than or equal to 2. Here, the second image data is the converted data, or the first image data is the rendering data.
    Type: Grant
    Filed: August 17, 2017
    Date of Patent: October 22, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ji-Eun Park, Jin-Woo Noh, Young-Wook Yoo, Jae-Keun Lim, Hassan Kamal
  • Patent number: 10276091
    Abstract: A head mounted display system includes an infrared sensor generating an infrared image, an image processor measuring a position of a user pupil based on the infrared image and generating image source based on the position of the user pupil, and an organic light emitting display device displaying an image corresponding to the image source. The organic light emitting display device includes a display panel and a panel driver. The display panel includes a plurality of infrared pixels disposed in an infrared emission region, the infrared pixels emitting infrared light, and a plurality of display pixels disposed in a display region, the display pixels emitting visible light. The panel driver provides driving signals to the infrared pixels and the display pixels.
    Type: Grant
    Filed: July 13, 2017
    Date of Patent: April 30, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young-Wook Yoo, Jae-Keun Lim, Jin-Woo Noh, Ji-Eun Park, Sung-Jin Choi, Hassan Kamal
  • Patent number: 10186195
    Abstract: There are provided an organic light emitting display device capable of enhancing display quality. The organic light emitting display device includes a compensation unit configured to extract current information of an organic light emitting diode (OLED) of a pixel, and configured to determine a brightness compensation amount corresponding to the extracted current information, and a timing controller configured to generate second data by changing bits of externally supplied first data according to the brightness compensation amount, wherein the compensation unit is configured to obtain the brightness compensation amount using a current variation corresponding to a degradation of the OLED, and using a linear function corresponding to the current variation.
    Type: Grant
    Filed: February 2, 2016
    Date of Patent: January 22, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin Wook Yang, Young Wook Yoo
  • Patent number: 10019937
    Abstract: A flexible display device includes a sensing line, a sensor, and a signal controller. The sensor generates a sensing signal corresponding to a quantity of light of the sensing line. The signal controller detects an intersection of the sensing line and the sensor and generates a control signal corresponding to movement of the intersection.
    Type: Grant
    Filed: February 5, 2016
    Date of Patent: July 10, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young Wook Yoo, Naoaki Komiya
  • Publication number: 20180098006
    Abstract: An image processor includes a scaling unit configured to output converted data by resizing first image data; and a rendering unit configured to receive second image data, to output rendering data by rendering the second image data, and to calculate a target rendering data value based on data values corresponding to a first block of M*N among the second image data, where each of M and N is an integer greater than or equal to 2. Here, the second image data is the converted data, or the first image data is the rendering data.
    Type: Application
    Filed: August 17, 2017
    Publication date: April 5, 2018
    Inventors: Ji-Eun PARK, Jin-Woo NOH, Young-Wook YOO, Jae-Keun LIM, Hassan KAMAL
  • Publication number: 20180018917
    Abstract: A head mounted display system includes an infrared sensor generating an infrared image, an image processor measuring a position of a user pupil based on the infrared image and generating image source based on the position of the user pupil, and an organic light emitting display device displaying an image corresponding to the image source. The organic light emitting display device includes a display panel and a panel driver. The display panel includes a plurality of infrared pixels disposed in an infrared emission region, the infrared pixels emitting infrared light, and a plurality of display pixels disposed in a display region, the display pixels emitting visible light. The panel driver provides driving signals to the infrared pixels and the display pixels.
    Type: Application
    Filed: July 13, 2017
    Publication date: January 18, 2018
    Inventors: Young-Wook YOO, Jae-Keun LIM, Jin-Woo NOH, Ji-Eun PARK, Sung-Jin CHOI, Hassan KAMAL
  • Publication number: 20180012534
    Abstract: A display device includes a first display region, a second display region, a first lens, and a second lens. The first display region includes a first pixel subset and may display a first image. The first image includes a first sub-image corresponding to the first pixel subset and smaller than the first image. The second display region neighbors the first display region, includes a second pixel subset, and may display a second image. The second image includes a second sub-image corresponding to the second pixel subset and smaller than the second image. The second pixel subset is not identical to the first pixel subset. The first lens may show the first sub-image without providing the entire first image. The second lens may show the second sub-image without providing the entire second image when the first lens shows the first sub-image.
    Type: Application
    Filed: June 19, 2017
    Publication date: January 11, 2018
    Inventors: Ji-Eun PARK, Jae-Keun LIM, Jin-Woo NOH, Young-Wook YOO, Hassan KAMAL
  • Publication number: 20180012550
    Abstract: An integration driver includes a plurality of stages. Each of the plurality of stages includes a scan signal generator including first to third nodes and a fifth node and an emission control signal generator including a fourth node and sixth node. The scan signal generator is configured to generate a first signal provided to a first node, a second signal provided to a second node, and a third signal provided to a third node using a first clock signal, a second clock signal, and a start signal or a carry signal, and generate a scan signal using the second signal and the third signal. The emission control signal generator is configured to generate a fourth signal provided to a fourth node using the third signal and the second clock signal, and generate an emission control signal using the first signal and the fourth signal.
    Type: Application
    Filed: July 7, 2017
    Publication date: January 11, 2018
    Inventors: JAE-KEUN LIM, JI-EUN PARK, YOUNG-WOOK YOO, HASSAN KAMAL
  • Patent number: 9812067
    Abstract: An organic light-emitting display device, including a display unit including a plurality of pixels each having an organic light-emitting diode (OLED), a controller configured to accumulate image data of each frame and to generate compensated image data using a degradation compensation method determined, based on the accumulated image data, to compensate for the degradation of the OLED of each of the pixels, and a data driver configured to generate a data voltage according to the compensated image data and to provide the data voltage to the pixels.
    Type: Grant
    Filed: April 21, 2015
    Date of Patent: November 7, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Su Min Yang, Sung Hoon Bang, Young Wook Yoo
  • Publication number: 20160372032
    Abstract: An organic light emitting display device includes: a compensator configured to extract current information of organic light emitting diodes in pixels; and a timing controller configured to determine a luminance compensation amount corresponding to the current information and to generate second data by adjusting bits of first data supplied from an outside, the first data being adjusted corresponding to the luminance compensation amount, wherein the compensator is further configured to divide a current variation corresponding to deterioration of the organic light emitting diodes into k sections and to calculate the luminance compensation amount using a linear function of a luminance variation corresponding to the current variation at each of the k sections.
    Type: Application
    Filed: January 20, 2016
    Publication date: December 22, 2016
    Inventors: Jin Wook YANG, Young Wook YOO
  • Publication number: 20160351127
    Abstract: A flexible display device includes a sensing line, a sensor, and a signal controller. The sensor generates a sensing signal corresponding to a quantity of light of the sensing line. The signal controller detects an intersection of the sensing line and the sensor and generates a control signal corresponding to movement of the intersection.
    Type: Application
    Filed: February 5, 2016
    Publication date: December 1, 2016
    Inventors: Young Wook YOO, Naoaki KOMIYA
  • Publication number: 20160293109
    Abstract: There are provided an organic light emitting display device capable of enhancing display quality. The organic light emitting display device includes a compensation unit configured to extract current information of an organic light emitting diode (OLED) of a pixel, and configured to determine a brightness compensation amount corresponding to the extracted current information, and a timing controller configured to generate second data by changing bits of externally supplied first data according to the brightness compensation amount, wherein the compensation unit is configured to obtain the brightness compensation amount using a current variation corresponding to a degradation of the OLED, and using a linear function corresponding to the current variation.
    Type: Application
    Filed: February 2, 2016
    Publication date: October 6, 2016
    Inventors: Jin Wook Yang, Young Wook Yoo
  • Publication number: 20160171934
    Abstract: An organic light-emitting display device, including a display unit including a plurality of pixels each having an organic light-emitting diode (OLED), a controller configured to accumulate image data of each frame and to generate compensated image data using a degradation compensation method determined, based on the accumulated image data, to compensate for the degradation of the OLED of each of the pixels, and a data driver configured to generate a data voltage according to the compensated image data and to provide the data voltage to the pixels.
    Type: Application
    Filed: April 21, 2015
    Publication date: June 16, 2016
    Inventors: Su Min Yang, Sung Hoon Bang, Young Wook Yoo