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: 8987733
    Abstract: An array substrate for a flexible display device, the array substrate including a mother substrate, a plurality of display units separated on the mother substrate, in which the plurality of display units include display regions that display images and non-display regions that extend from the display regions to edges of each of the plurality of display units, respectively, encapsulation units covering the display regions of the plurality of display units, respectively, a plurality of testing wires in a wire region between adjacent display units from among the plurality of display units, in which the plurality of testing wires are electrically connected to each of the plurality of display units, and crack preventing units in the non-display regions between edges of the encapsulation units and the edges of each of the plurality of display units, respectively.
    Type: Grant
    Filed: March 1, 2013
    Date of Patent: March 24, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung-Un Park, Dong-Ho Kim
  • Patent number: 8896504
    Abstract: An organic light emitting display capable of reducing power consumption in a standby mode to increase the use time of a battery and a method of driving the same. The organic light emitting display includes a pixel unit for displaying an image by utilizing a plurality of frames and in accordance with data signals and scan signals; a data driver for outputting the data signals; a scan driver for outputting the scan signals; and a controller for controlling the data driver and the scan driver so that, in at least one frame of the plurality of frames, the scan signals are not transmitted to the pixel unit.
    Type: Grant
    Filed: May 20, 2010
    Date of Patent: November 25, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung-Un Park, Sung-Cheon Park, Wook Lee
  • Publication number: 20140300649
    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: September 9, 2013
    Publication date: October 9, 2014
    Inventor: Sung Un PARK
  • Patent number: 8841150
    Abstract: In an aspect, an array substrate for a flexible display device and a method of manufacturing the array substrate, the method including operations of arranging at least one lower protective film on which a plurality of display units that are covered by thin-film encapsulation (TFE) units are arrayed; performing half cutting and full cutting on the at least one lower protective film; and completing the manufacture of each of the plurality of display units by removing remaining parts on the at least one lower protective film from the half cutting and full cutting is provided.
    Type: Grant
    Filed: January 23, 2013
    Date of Patent: September 23, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Ho Kim, Sung-Un Park
  • Patent number: 8797346
    Abstract: A gamma correction system and method for a display device are disclosed. According to one aspect, the gamma correction system includes a display panel configured to display an image, a measuring unit configured to acquire optical characteristic information from the image displayed on the display panel, and a display panel driver configured to convert a gamma data result value obtained after performing optical compensation for at least two sample gray values among a plurality of reference luminance values into a corresponding data voltage and calculate a data voltage for the rest of the luminance values for which optical compensation is not performed.
    Type: Grant
    Filed: March 14, 2012
    Date of Patent: August 5, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung-Un Park, Ji-Yun Son, Dong-Ho Yoon
  • Publication number: 20140204066
    Abstract: A flat panel display device includes a printed circuit board (PCB) configured to receive power and a first image signal from outside the PCB, a film substrate configured to receive the power and the first image signal from the PCB and a second image signal from outside the film substrate, and a display panel configured to display an image according to a driving signal from the film substrate.
    Type: Application
    Filed: May 29, 2013
    Publication date: July 24, 2014
    Applicant: SAMSUGN DISPLAY CO., LTD.
    Inventor: Sung-Un Park
  • Publication number: 20140149907
    Abstract: A method for operating a terminal includes: receiving an input of a first gesture that indicates at least a partial area in a document displayed on the terminal; receiving an input of a second gesture that corresponds to a specific function; and performing the specific function with respect to contents of the document that are included in the at least the partial area in the document.
    Type: Application
    Filed: November 20, 2013
    Publication date: May 29, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dong Ho Kim, Sung Un Park
  • Patent number: 8730163
    Abstract: A flat panel display including a first substrate comprising an emission region and a non-emission region, a light emission unit on the emission region, a first sensing unit on the non-emission region, and a second sensing unit on the non-emission region, wherein the first and second sensing units are arranged to allow determination of a tilt angle of the flat panel display using light intensities measured by the first and second sensing units.
    Type: Grant
    Filed: February 15, 2011
    Date of Patent: May 20, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soon-Sung Ahn, Do-Youb Kim, Sung-Un Park, Young-Hee Nam
  • Patent number: 8723813
    Abstract: A flat panel display device that can easily determine whether it has been touched or not by sensing a variation in capacitance by using a cushion member. The flat panel display device includes a first face; a frame having a conductive face and supporting the first face and having a conductive face; a cushion member interposed between the first face and the conductive face and formed of a dielectric material, wherein a thickness of the cushion member varies depending on an externally applied pressure, a conductive film interposed between the first face and the cushion member; and a sensor unit electrically connected to the conductive face and the conductive film respectively, which calculates and senses a variation in capacitance of a capacitor comprising the conductive face, the cushion member, and the conductive film.
    Type: Grant
    Filed: June 30, 2009
    Date of Patent: May 13, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung-Un Park, Tae-Jin Kim, Joo-Hyeon Jeong, Soon-Sung Ahn, In-Ho Choi
  • Patent number: 8717256
    Abstract: An organic light emitting display device capable of maintaining a voltage of a driving power of a display panel in a substantially constant manner. The organic light emitting display device includes a display panel for receiving an image data and an input voltage to display an image; a driving IC for supplying the image data to the display panel, receiving the input voltage, and outputting an offset control signal in accordance with the received input voltage; and a power supply for controlling the input voltage in accordance with the offset control signal, and supplying the controlled input voltage to the display panel.
    Type: Grant
    Filed: May 15, 2009
    Date of Patent: May 6, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventor: Sung-Un Park
  • Publication number: 20140104762
    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: Application
    Filed: September 25, 2013
    Publication date: April 17, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventor: Sung-Un Park
  • Publication number: 20140097429
    Abstract: In an aspect, an array substrate for a flexible display device and a method of manufacturing the array substrate, the method including operations of arranging at least one lower protective film on which a plurality of display units that are covered by thin-film encapsulation (TFE) units are arrayed; performing half cutting and full cutting on the at least one lower protective film; and completing the manufacture of each of the plurality of display units by removing remaining parts on the at least one lower protective film from the half cutting and full cutting is provided.
    Type: Application
    Filed: January 23, 2013
    Publication date: April 10, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Dong-Ho Kim, Sung-Un Park
  • Publication number: 20140097430
    Abstract: An array substrate for a flexible display device, the array substrate including a mother substrate, a plurality of display units separated on the mother substrate, in which the plurality of display units include display regions that display images and non-display regions that extend from the display regions to edges of each of the plurality of display units, respectively, encapsulation units covering the display regions of the plurality of display units, respectively, a plurality of testing wires in a wire region between adjacent display units from among the plurality of display units, in which the plurality of testing wires are electrically connected to each of the plurality of display units, and crack preventing units in the non-display regions between edges of the encapsulation units and the edges of each of the plurality of display units, respectively.
    Type: Application
    Filed: March 1, 2013
    Publication date: April 10, 2014
    Inventors: Sung-Un PARK, Dong-Ho KIM
  • Patent number: 8610676
    Abstract: A stylus pen includes a body portion, and an end portion on the body portion, the end portion including a reflecting unit and adapted to contact a touch screen. The reflecting unit is adapted to reflect light toward a display apparatus including the stylus pen, so light receiving accuracy of a photosensor in the display apparatus is increased.
    Type: Grant
    Filed: September 1, 2009
    Date of Patent: December 17, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung-Un Park, Tae-Jin Kim, Joo-Hyeon Jeong
  • Patent number: 8605074
    Abstract: An apparatus for supplying a power voltage to a pixel unit of a display apparatus includes a first power supplying unit for applying the power voltage to the pixel unit during a normal mode, a second power supplying unit for applying the power voltage to the pixel unit during a low power display mode, and a leakage current blocking unit for blocking a leakage current path from the second power supplying unit to the first power supplying unit during the low power display mode.
    Type: Grant
    Filed: July 26, 2011
    Date of Patent: December 10, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventor: Sung-Un Park
  • Patent number: 8570258
    Abstract: An organic light emitting display capable of reducing power consumption in a standby mode and a method of driving the same. The organic light emitting display includes a pixel unit having a first emission region and a second emission region, wherein the pixel unit is configured to generate a driving current in accordance with data signals and scan signals to emit light so that light is emitted by the pixel unit only in the first emission region in a standby mode, a data driver for transmitting the data signals only to the first emission region in the standby mode, a scan driver for outputting the scan signals, and a power source supplier for generating and outputting voltages of an initialization power source and for blocking the driving current from flowing to the second emission region by utilizing a voltage of the initialization power source in the standby mode.
    Type: Grant
    Filed: May 20, 2010
    Date of Patent: October 29, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung-Un Park, Sung-Cheon Park, Wook Lee
  • Patent number: 8508557
    Abstract: Exemplary embodiments of the present invention relate to an organic light emitting diode (OLED) display and a method of driving the same. The OLED display includes a driving circuit for generating a plurality of data signals and a plurality of scan signals based on image information stored in a memory. The driving circuit receives an inactive state signal generated when the image information is a still image, generates only a plurality of scan signals and a plurality of data signals corresponding to a light emitting region in which the still image is displayed, and transfers the generated scan and data signals to a plurality of corresponding data lines and a plurality of corresponding scan lines, respectively.
    Type: Grant
    Filed: August 20, 2010
    Date of Patent: August 13, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Bong-Oh Park, Sung-Un Park, Won-Suk Choi
  • Patent number: 8493350
    Abstract: A touch panel comprises light sensing circuits configured to generate light sensing data, scan lines, a scan driving unit configured to sequentially apply scan pulses to the light sensing circuits via the scan lines, data lines, a data receiving unit configured to receive the light sensing data transmitted via the data lines in a first/second data receiving state, and generate touch data including first and second touch data, and a location calculation unit configured to determine a touch location using the touch data. In the first/second data receiving state, two neighboring data lines in each first/second combination are electrically coupled to each other, and light sensing data from the data lines in each first/second combination are combined so as to generate a first/second data. The first/second touch data includes the first/second data from each of the first/second combinations. The second combinations are different from the first combinations.
    Type: Grant
    Filed: May 24, 2010
    Date of Patent: July 23, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventor: Sung-Un Park
  • Patent number: 8466904
    Abstract: A light sensing circuit for use in auto brightness control (ABC), and a flat panel display including the light sensing circuit. The light sensing circuit includes a first photodiode; a second photodiode which is electrically connected to the first photodiode and includes a shielding film for shielding externally incident light; a first voltage fixing unit which is connected to the first photodiode and the second photodiode and maintains a voltage applied to the first photodiode at a certain value; and an analog-to-digital converter (ADC) which generates a digital value that depends on a current flowing in the first photodiode and the second photodiode. Accordingly, the light sensing circuit can precisely sense the brightness of a surrounding environment and drive a flat panel display with the most suitable brightness.
    Type: Grant
    Filed: September 18, 2009
    Date of Patent: June 18, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soon-Sung Ahn, Do-Youb Kim, Sung-Un Park
  • Publication number: 20130120659
    Abstract: A gamma correction system and method for a display device are disclosed. According to one aspect, the gamma correction system includes a display panel configured to display an image, a measuring unit configured to acquire optical characteristic information from the image displayed on the display panel, and a display panel driver configured to convert a gamma data result value obtained after performing optical compensation for at least two sample gray values among a plurality of reference luminance values into a corresponding data voltage and calculate a data voltage for the rest of the luminance values for which optical compensation is not performed.
    Type: Application
    Filed: March 14, 2012
    Publication date: May 16, 2013
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Sung-Un Park, Ji-Yun Son, Dong-Ho Yoon