Patents by Inventor Sung-un Park

Sung-un Park 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: 10126576
    Abstract: A flexible display apparatus includes a flexible substrate including a first surface, a second surface, a first side surface and a second side surface connected to the first side surface. A display layer is disposed on the first surface. A first substrate extension portion extends from the first side surface and is bent along the first side surface to overlap the flexible substrate. A second substrate extension portion extends from the second side surface and is bent along the second side surface to overlap the flexible substrate and the first substrate extension portion. First and second drivers provide driving signals to the display layer, wherein the first and second drivers are mounted on the first and second substrate extension portions, respectively. A first conductive connection member is disposed between the first and second substrate extension portions, electrically connecting the first extension portion with the second extension portion.
    Type: Grant
    Filed: May 12, 2016
    Date of Patent: November 13, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Na-Ri Park, Sung-Un Park
  • Patent number: 10043452
    Abstract: An organic light emitting display device includes a display panel, a scan driver, a data driver, a power supply which provides a first voltage to a first power terminal of the pixel and selectively provides the first voltage or a second voltage to a second power terminal of the pixel, and a controller which selects one of a normal driving mode and a power saving mode as a panel driving mode where the power supply provides the second voltage to the second power terminal of the pixel in a first period of one frame period and provides the first voltage to the second power terminal of the pixel in a second period of one frame period when the panel driving mode is the power saving mode.
    Type: Grant
    Filed: August 15, 2016
    Date of Patent: August 7, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yeon-Shil Jung, Hyung-Min Shin, Ji-Tae Kim, Tae-Wook Kim, Sung-Un Park, Kyung-Ho Hwang
  • Patent number: 10013910
    Abstract: An electronic device includes a host device configured to provide a display device with first image data having a first number of bits per pixel in a normal mode, and to convert the first image data into second image data having a second number of bits per pixel less than the first number of bits per pixel to provide the display device with the second image data in a low power mode. The display device is configured to display a first image based on the first image data in the normal mode, and to convert the second image data into third image data to display a second image based on the third image data in the low power mode.
    Type: Grant
    Filed: March 15, 2017
    Date of Patent: July 3, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventor: Sung-Un Park
  • Patent number: 10002566
    Abstract: An organic light emitting display device includes pixel unit, a power supply, and a timing controller. The power supply supplies a driving voltage to the pixel unit. The timing controller divides the pixel unit into a plurality of regions, calculates color on-pixel ratio (C-OPR) values of the regions based on image data, and controls the power supply based on the C-OPR values of the regions.
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: June 19, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung Un Park, Hyung Min Shin, Kyung Ho Hwang
  • Publication number: 20180090051
    Abstract: An electronic device includes a host device configured to provide a display device with first image data having a first number of bits per pixel in a normal mode, and to convert the first image data into second image data having a second number of bits per pixel less than the first number of bits per pixel to provide the display device with the second image data in a low power mode. The display device is configured to display a first image based on the first image data in the normal mode, and to convert the second image data into third image data to display a second image based on the third image data in the low power mode.
    Type: Application
    Filed: March 15, 2017
    Publication date: March 29, 2018
    Inventor: Sung-Un PARK
  • Patent number: 9847054
    Abstract: A display device and an electronic device including the same are disclosed. In one aspect, the display device includes a display panel divided into first and second regions. The display device also includes a scan driver including a plurality of first scan stages configured to sequentially provide a scan signal to the pixels in the first region, a plurality of second stages configured to sequentially provide the scan signal to the pixels in the second region, and a scan switch connected between the first and second stages. One of the first scan stages is configured to provide a scan carry signal to the scan switch, the scan switch is configured to selectively provide the scan carry signal or a scan disable signal to the second scan stages, and the scan carry signal and the scan disable signal are configured to halt the operation of the second scan stages.
    Type: Grant
    Filed: July 22, 2015
    Date of Patent: December 19, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyung-Ho Hwang, Sung-Un Park, Eun-Jung Oh
  • Publication number: 20170192461
    Abstract: A flexible display device includes a flexible substrate body including a first surface and a second surface opposite to the first surface, a display layer on the first surface of the flexible substrate body, a substrate extension portion bent from a side of the flexible substrate body, the substrate extension portion extending along the second surface of the flexible substrate body and overlapping the flexible substrate body, and a sensor layer interposed between the flexible substrate body and the substrate extension portion to detect a movement input to the display layer.
    Type: Application
    Filed: November 15, 2016
    Publication date: July 6, 2017
    Inventors: Sung-Un PARK, Na-Ri PARK
  • Publication number: 20170131582
    Abstract: A flexible display apparatus includes a flexible substrate including a first surface, a second surface, a first side surface and a second side surface connected to the first side surface. A display layer is disposed on the first surface. A first substrate extension portion extends from the first side surface and is bent along the first side surface to overlap the flexible substrate. A second substrate extension portion extends from the second side surface and is bent along the second side surface to overlap the flexible substrate and the first substrate extension portion. First and second drivers provide driving signals to the display layer, wherein the first and second drivers are mounted on the first and second substrate extension portions, respectively. A first conductive connection member is disposed between the first and second substrate extension portions, electrically connecting the first extension portion with the second extension portion.
    Type: Application
    Filed: May 12, 2016
    Publication date: May 11, 2017
    Inventors: NA-RI PARK, SUNG-UN PARK
  • Publication number: 20170116922
    Abstract: An organic light emitting display device includes a display panel, a scan driver, a data driver, a power supply which provides a first voltage to a first power terminal of the pixel and selectively provides the first voltage or a second voltage to a second power terminal of the pixel, and a controller which selects one of a normal driving mode and a power saving mode as a panel driving mode where the power supply provides the second voltage to the second power terminal of the pixel in a first period of one frame period and provides the first voltage to the second power terminal of the pixel in a second period of one frame period when the panel driving mode is the power saving mode.
    Type: Application
    Filed: August 15, 2016
    Publication date: April 27, 2017
    Inventors: Yeon-Shil JUNG, Hyung-Min SHIN, Ji-Tae KIM, Tae-Wook KIM, Sung-Un PARK, Kyung-Ho HWANG
  • Publication number: 20170103707
    Abstract: An organic light emitting display device includes pixel unit, a power supply, and a timing controller. The power supply supplies a driving voltage to the pixel unit. The timing controller divides the pixel unit into a plurality of regions, calculates color on-pixel ratio (C-OPR) values of the regions based on image data, and controls the power supply based on the C-OPR values of the regions.
    Type: Application
    Filed: August 19, 2016
    Publication date: April 13, 2017
    Inventors: Sung Un PARK, Hyung Min SHIN, Kyung Ho HWANG
  • Patent number: 9595216
    Abstract: A display apparatus and a power providing method performed by the display apparatus including a panel that operates in a normal mode or a low power display mode; a power supplying unit that outputs a first high voltage and a first low voltage to the panel in the normal mode, wherein the first high voltage and the first low voltage are first power voltages; and a driving integrated circuit that selectively receives a plurality of input voltages according to a display mode, and that outputs a second high voltage and a second low voltage to the panel in the low power display mode, wherein the second high voltage and the second low voltage are second power voltages.
    Type: Grant
    Filed: July 27, 2011
    Date of Patent: March 14, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung-Un Park, Wook Lee
  • Publication number: 20170061885
    Abstract: In an embodiment of the present invention, a display device includes a display unit including a plurality of pixels, a first power supply unit configured to supply a first power voltage to the display unit, and a second power supply unit configured to cyclically supply a second power voltage to the display unit during a frame period.
    Type: Application
    Filed: August 24, 2016
    Publication date: March 2, 2017
    Inventors: Sung Un Park, Tae Wook Kim, Hyung Min Shin, Ju Bong An, Yeon Shil Jung
  • Publication number: 20170032724
    Abstract: An organic light emitting display device includes a display panel including a display area in which pixels are arranged and a non-display area disposed in vicinity of the display area, a scan driver applying scan signals to the pixels, a source driver chip connected to the non-display area to apply a data voltage to the pixels and generating an input signal, a light emitting control driver applying light emitting control signals to the pixels, a detecting capacitor disposed in the non-display area, and first and second test lines connected between the source driver chip and the detecting capacitor to apply the input signal to the detecting capacitor. The source driver chip outputs a charging time of the detecting capacitor on the basis of the input signal as an output signal.
    Type: Application
    Filed: October 13, 2016
    Publication date: February 2, 2017
    Inventor: Sung Un PARK
  • Patent number: 9495893
    Abstract: An organic light emitting display device includes a display panel including a display area in which pixels are arranged and a non-display area disposed in vicinity of the display area, a scan driver applying scan signals to the pixels, a source driver chip connected to the non-display area to apply a data voltage to the pixels and generating an input signal, a light emitting control driver applying light emitting control signals to the pixels, a detecting capacitor disposed in the non-display area, and first and second test lines connected between the source driver chip and the detecting capacitor to apply the input signal to the detecting capacitor. The source driver chip outputs a charging time of the detecting capacitor on the basis of the input signal as an output signal.
    Type: Grant
    Filed: September 9, 2013
    Date of Patent: November 15, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventor: Sung Un Park
  • Patent number: 9480174
    Abstract: A flexible display device is disclosed. In one aspect, the device includes: a bracket formed in the shape of a plate and forming curved portions in lateral sides, a flexible display panel disposed in an outer side of the bracket and attached to the curved portions and a cover window disposed in an outer side of the flexible display panel. The device further includes a polarizing plate disposed between the flexible display panel and the cover window and thus attached to the curved portions from an outer edge of the flexible display panel. According to some embodiments, the display device can firmly maintain a cover window, a polarizing plate, and a flexible display panel in a bent state.
    Type: Grant
    Filed: September 25, 2013
    Date of Patent: October 25, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventor: Sung-Un Park
  • Publication number: 20160225311
    Abstract: A display device and an electronic device including the same are disclosed. In one aspect, the display device includes a display panel divided into first and second regions. The display device also includes a scan driver including a plurality of first scan stages configured to sequentially provide a scan signal to the pixels in the first region, a plurality of second stages configured to sequentially provide the scan signal to the pixels in the second region, and a scan switch connected between the first and second stages. One of the first scan stages is configured to provide a scan carry signal to the scan switch, the scan switch is configured to selectively provide the scan carry signal or a scan disable signal to the second scan stages, and the scan carry signal and the scan disable signal are configured to halt the operation of the second scan stages.
    Type: Application
    Filed: July 22, 2015
    Publication date: August 4, 2016
    Inventors: Kyung-Ho Hwang, Sung-Un Park, Eun-Jung Oh
  • Publication number: 20160203787
    Abstract: A display device, including a panel including an active area and a non-active area, the non-active area surrounding the active area; a recess in the non-active area of the panel; a driving circuit unit above the recess; a driving auxiliary part (DAP) in the recess on the panel; and a printed circuit board (PCB) on one side of the panel, the PCB being connected to the driving circuit unit and the DAP.
    Type: Application
    Filed: July 29, 2015
    Publication date: July 14, 2016
    Inventors: Na Ri PARK, Sung Un PARK, Ju Bong AN
  • Patent number: 9129559
    Abstract: An organic light emitting display device, and a driving method for the same. The organic light emitting display device, including: a pixel unit configured to display an image corresponding to a data signal, a scan signal, a first power, and a second power; a data driver configured to receive an image signal to output the data signal; a scan driver configured to output the scan signal; a power supply unit configured to receive an input power from an external source to generate the first power and the second power; and a controller configured to output a voltage control signal to control a voltage of the first power and a voltage of the second power and output a first gamma value and a second gamma value in accordance with a voltage of the input power, the first and second gamma values being for controlling a voltage of the data signal.
    Type: Grant
    Filed: January 13, 2010
    Date of Patent: September 8, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung-Un Park, Kyoung-Soo Lee, Young-Hee Nam, Dong-Woo Lee
  • Patent number: 9024885
    Abstract: A touch screen display apparatus includes a panel including a light emitting device for displaying a display image and an optical sensor for generating a touch image object; a touch sensing unit on the panel for sensing a touch of a touch object; and a light emission controller for controlling the light emitting device to emit light when a touch of the touch object is sensed by the touch sensing unit.
    Type: Grant
    Filed: October 12, 2009
    Date of Patent: May 5, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soon-Sung Ahn, Sung-Un Park, Ja-Seung Ku, Brent Jang
  • Patent number: 9001095
    Abstract: A reference voltage setting apparatus including: a current generator having a first device to supply a first dark current and a second device to supply a second dark current; a first operational amplifying unit connected to the current generator; and a voltage setting unit connected to the first operational amplifying unit and setting a reference voltage having a compensated offset voltage of the first operational amplifying unit, and an illumination sensing device and a display device including the reference voltage setting apparatus.
    Type: Grant
    Filed: October 29, 2010
    Date of Patent: April 7, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung-Un Park, Soon-Sung Ahn, Do-Youb Kim