Patents by Inventor Bong-Hyun You

Bong-Hyun You 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: 20170132964
    Abstract: A method of driving a display panel includes dividing an input image into a plurality of segments; generating flicker levels of respective ones of the segments; determining a frame rate of the display panel based on the flicker levels of the segments; and outputting a data voltage to the display panel at the frame rate.
    Type: Application
    Filed: January 24, 2017
    Publication date: May 11, 2017
    Inventors: Kyoung-Won Lee, Su-Hyeong Park, Bong-Hyun You, Ho-Yong Jung, Eun-Ho Lee, Hyun-Dae Lee
  • Patent number: 9615003
    Abstract: Gamma applied data generating circuit includes motion vector extractor, gamma pattern generator, first gamma applier, second gamma applier, and output converter. Motion vector extractor extracts motion vector of object. Gamma pattern generator generates first gamma pattern corresponding to first motion vector value and second gamma pattern corresponding to second motion vector value from first time point. Value of motion vector is changed from first motion vector value to second motion vector value at first time point. First and second gamma appliers generate first and second data by applying first and second gamma pattern to input data, respectively. Output converter outputs sum of first data times first weight and second data times second weight as gamma applied data. From first time point to second time point, output converter converts first weight from 1 to 0 and converts second weight from 0 to 1.
    Type: Grant
    Filed: January 20, 2015
    Date of Patent: April 4, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Gyu Lee, Joon-Chul Goh, Nam-Gon Choi, Cheol-Woo Park, Bong-Hyun You
  • Patent number: 9613554
    Abstract: A driving method of a display device includes: determining each of a plurality of pixel rows of the display device as one of a motion picture display pixel row and a still image display pixel row by comparing image data of each of the pixel rows in a current frame and in a previous frame; and driving the motion picture display pixel row with a motion picture frequency and driving the still image display pixel row with a still image display frequency, which is lower than or equal to the motion picture frequency, where a plurality of still image display pixel rows are driven with at least two still image display frequencies.
    Type: Grant
    Filed: July 24, 2013
    Date of Patent: April 4, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dae-Gwang Jang, Ung Gyu Min, Seok Ha Hong, Hyun Sik Hwang, Byung Sun Kim, Sang Mi Kim, Bong Hyun You, Ji Myoung Seo
  • Patent number: 9583036
    Abstract: A method of driving a display panel includes dividing an input image into a plurality of segments; generating flicker levels of respective ones of the segments; determining a frame rate of the display panel based on the flicker levels of the segments; and outputting a data voltage to the display panel at the frame rate.
    Type: Grant
    Filed: September 24, 2014
    Date of Patent: February 28, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyoung-Won Lee, Su-Hyeong Park, Bong-Hyun You, Ho-Yong Jung, Eun-Ho Lee, Hyun-Dae Lee
  • Patent number: 9544993
    Abstract: Provided is a foldable display apparatus that is foldable along a folding line. The foldable display apparatus includes a first display panel for displaying a first image, a second display panel for displaying a second image, wherein the second display panel is spaced apart from the first display panel, and a flexible electric connection unit disposed between the first and second display panels and electrically connecting the first and second display panels, the flexible electric connection unit comprising a groove overlapping with the folding line.
    Type: Grant
    Filed: April 29, 2014
    Date of Patent: January 10, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chung-Seok Lee, Bong-Hyun You, Seong-Heon Cho
  • Patent number: 9495916
    Abstract: A method of displaying a three-dimensional stereoscopic image includes generating a plurality of left-eye or right-eye virtual primary color data using a left-eye or right-eye data frame, calculating a plurality of left-eye or right-eye virtual primary color dimming levels using the left-eye or right-eye virtual primary color data, sequentially outputting a plurality of left-eye or right-eye virtual primary color data frames, corrected based on the left-eye or right-eye virtual primary color dimming levels, to a display panel, and sequentially providing a plurality of left-eye or right-eye virtual primary color lights, generated from a light source part based on the left-eye or right-eye virtual primary color dimming levels, to the display panel.
    Type: Grant
    Filed: January 12, 2012
    Date of Patent: November 15, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Heen-Dol Kim, Bong-Hyun You, Jai-Hyun Koh, Kuk-Hwan Ahn
  • Patent number: 9489909
    Abstract: A method of driving a display panel includes detecting a position of a viewer to output a viewer position detection signal, determining whether the position of the viewer is in a first area or in a second area based on the viewer position detection signal to output a viewer position signal, and driving a unit pixel of the display panel using a plurality of gamma values according to the viewer position signal. The first area is less than a reference distance, and the second area is not less than the reference distance. Thus, side visibility of a display apparatus may be improved.
    Type: Grant
    Filed: August 19, 2014
    Date of Patent: November 8, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seok-Ha Hong, Joon-Chul Goh, Bong-Hyun You, Dae-Gwang Jang
  • Publication number: 20160322446
    Abstract: There is provided a pixel including an organic light emitting diode (OLED), a first transistor having a first electrode connected to a first power source and configured to control an amount of current supplied from the first power source to the OLED in response to a data signal, a second transistor and a third transistor connected between a second electrode and a gate electrode of the first transistor, and a fourth transistor connected between an initializing power source and a first node that is a common node of the second transistor and the third transistor.
    Type: Application
    Filed: January 14, 2016
    Publication date: November 3, 2016
    Inventors: Su Hyeong PARK, Joon Chul GOH, Bong Hyun YOU, Jun Woo HONG
  • Patent number: 9472154
    Abstract: A display panel includes a plurality of pixels which is arranged in a pixel column and a pixel row, a gate line which is connected to pixels in a same pixel row, a first data line which is connected to pixels in a same pixel column, and a second data line which is connected to remaining pixels except for the pixels connected to the first data line among the pixels in the same pixel column. Two odd-numbered pixel rows and two even-numbered pixel rows are alternately driven so that a charge period of the pixel may be extended by 2H. In addition, a kickback difference between the odd-numbered pixel row and the even-numbered pixel row may be decreased so that a display quality may be improved.
    Type: Grant
    Filed: June 20, 2014
    Date of Patent: October 18, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: In-Jae Hwang, Il-Gon Kim, Mee-Hye Jung, Se-Hyoung Cho, Jang-Mi Kang, Hee-Rim Song, Bong-Hyun You
  • Patent number: 9466261
    Abstract: A display device includes a memory which stores gamma data for gamma curves including a first gamma curve and a second gamma curve; a gray voltage generator which generates gray voltages based on the gamma data; a data driver which receives an input image signal from a signal controller and converts the input image signal into a data voltage using the gray voltages; and a display panel including pixels which receives the data voltage and may display an image, where the pixel displays images corresponding to the input image signal during one frame set, one frame set includes consecutive frames, the images displayed by a pixel includes first and second images displayed based on the first and second gamma curves, respectively, a luminance of the first image is not less than a luminance of the second image, and the second image is displayed in two consecutive frames.
    Type: Grant
    Filed: November 30, 2012
    Date of Patent: October 11, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Bong Hyun You, Joon-Chul Goh, Uk Chul Choi, Jung-Won Kim, Nam-Gon Choi, Dong-Won Park
  • Patent number: 9448665
    Abstract: A display device includes: a first display panel; a second display panel facing the first display panel and including an optical sensor; an electro-optical active layer positioned between the first display panel and the second display panel; and a sensing gate driver including a first sensing gate driver and a second sensing gate driver, the sensing gate driver configured to transmit a sensing gate signal to the optical sensor, in which a first sensing gate off voltage applied to the first sensing gate driver is substantially the same as a second sensing gate off voltage applied to the second sensing gate driver.
    Type: Grant
    Filed: November 8, 2012
    Date of Patent: September 20, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang-Je Lee, Bong Hyun You, Dong-Won Park, Jae Sung Bae
  • Publication number: 20160266704
    Abstract: A tiled display device includes a first display device including a first display panel configured to sense a touch thereon and display an image signal, and a first controller configured to control the first display panel and transmit a reference signal wirelessly, and a second display device including a second display panel configured to sense a touch thereon and display the image signal, and a second controller configured to control the second display panel and transmit a first ACK signal to the first controller after receiving the reference signal, in which the first controller is configured to determine a first latency time of the second display device by using the reference signal and the first ACK signal and synchronize touch information of the first and second display devices according to the first latency time.
    Type: Application
    Filed: September 8, 2015
    Publication date: September 15, 2016
    Inventors: Dong-Won PARK, Bong Hyun YOU, Nam-Gon CHOI, Seok Ha HONG, Jung-Won KIM, Dong Gyu LEE, Jae Hyun CHO, Jae Hyung CHO
  • Patent number: 9430973
    Abstract: A image signal processing method of a liquid crystal display according to an exemplary embodiment of the present invention includes: receiving a previous image signal and a current image signal as two sequential input image signals; performing a first correction (DCC) and a doubling for the current image signal to generate a correction image signal comprising a plurality of doubled frames for the current image signal; and post-processing the portion of the plurality of doubled frames to generate a final correction image signal.
    Type: Grant
    Filed: August 12, 2013
    Date of Patent: August 30, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Nam-Gon Choi, Yong Jun Jang, Jung-Won Kim, Geun Jeong Park, Ji-Woong Jeong, Uk Chul Choi, Joon-Chul Goh, Cheol Woo Park, Bong Hyun You
  • Publication number: 20160173866
    Abstract: A method of driving a display device includes displaying an image corresponding to a left eye image signal during a first frame set including one or more frames and displaying an image corresponding to a right eye image signal during a second frame set including one or more successive frames, in which the first frame set and the second frame set include at least one frame displaying a first image according to a first gamma curve and at least one frame displaying a second image according to a second gamma curve, and the first frame set and the second frame set include two successive frames displaying the second image.
    Type: Application
    Filed: January 4, 2016
    Publication date: June 16, 2016
    Inventors: Jung-Won KIM, Joon-Chul GOH, Bong Hyun YOU, Uk Chul CHOI
  • Publication number: 20160133214
    Abstract: A display apparatus includes a plurality of pixels arranged in columns and rows in a display area, a data line extending in a first direction and connected with pixels of a k-th column (‘k’ is a natural number) and a (k+1)-th column, a gate line extending in a second direction crossing the first direction and connected with ones of the pixels, a gate signal line extending in the first direction and connected with the gate line, and a gate driver in a first peripheral area adjacent to a first longer side of the display area and having a first width, and configured to apply a gate signal to the gate line.
    Type: Application
    Filed: May 1, 2015
    Publication date: May 12, 2016
    Inventors: Ho-Kyoon Kwon, Myoung-Soo Kim, Sang-Ik Lee, Kyoung-Ho Lim, Kwang-Chul Jung, Jun-Ki Jeong, Ki-Seok Cha, Joon-Chul Goh, Bong-Hyun You
  • Patent number: 9335853
    Abstract: Exemplary embodiments of the present invention provide a display device including a plurality of sensing unit groups consisting of a plurality of sensing units and arranged in a matrix form. The display device further includes a plurality of gate lines connected to the plurality of sensing units included in a first sensing unit group, at least one sensing signal line connected to the plurality of sensing units, a scan driver transmitting gate signals to the gate lines, and a sensing signal processor processing a sensing signal transmitted by the sensing signal line. The gate lines transmit the gate signals according to different gate clock signals.
    Type: Grant
    Filed: February 24, 2012
    Date of Patent: May 10, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyung-Ho Park, Bong Hyun You, Jae-Sung Bae, Sang-Je Lee, Dong-Won Park, Dong-Hyun Yoo, Jae-Won Kim
  • Patent number: 9316856
    Abstract: In a method of driving touch sensing display panel and a display apparatus for performing the method, image data are outputted to the touch sensing display panel during an active period of a frame, the touch sensing display panel comprising a display substrate including a switching element connected to a data line extending in a column direction and a gate line extending in a row direction, and a touch sensing substrate including a light sensing part connected to a read-out line substantially parallel to the data line and a scan line substantially parallel to the gate line. A sensing signal is read out through the read-out line during a blanking period of the frame.
    Type: Grant
    Filed: January 11, 2012
    Date of Patent: April 19, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Won Park, Bong-Hyun You, Jae-Sung Bae, Sang-Je Lee
  • Publication number: 20160078819
    Abstract: A liquid crystal display panel comprises a backlight unit including an optical assembly and configured to differentiate the liquid crystal display panel into a plurality of blocks and to illuminate light to each of the plurality of blocks; a location sensor configured to sense a location of a user watching the liquid crystal display panel; a backlight controller configured to output a dimming value corresponding to a brightness of each of the plurality of blocks according to a result of sensing by the location sensor; and a backlight driver configured to generate a driving current corresponding to the dimming value of each block and to provide the generated driving current to the backlight unit corresponding to each of the plurality of blocks.
    Type: Application
    Filed: June 9, 2015
    Publication date: March 17, 2016
    Inventors: Se-Ki PARK, Yong-Hoon KWON, Bong-Hyun YOU, Joon-Chul GOH
  • Publication number: 20160077782
    Abstract: An apparatus includes an overlay buffer configured to store overlay data; a touch path logic to: receive first touch events from the first touch sensor panel and generate a first output based on the first touch events, and receive second touch events from the second touch sensor panel and generate a second output based on the second touch events; and a rendering logic to, when the first touch events occur: receive a first video image; receive the first output; and combine the first video image with the overlay data corresponding to the first video image to output at least one combined display image, and, when the second touch events occur: receive a second video image; receive the second output; and combine the second video image with the overlay data corresponding to the second video image to output the at least one combined display image.
    Type: Application
    Filed: February 20, 2015
    Publication date: March 17, 2016
    Inventors: Nam-Gon Choi, Gi Geun Kim, Hong Soo Kim, Geun Jeong Park, Ho Seok Son, Dong Gyu Lee, Dong-Won Park, Cheol Woo Park, Yun Ki Baek, Bong Hyun You
  • Publication number: 20160065793
    Abstract: Gamma applied data generating circuit includes motion vector extractor, gamma pattern generator, first gamma applier, second gamma applier, and output converter. Motion vector extractor extracts motion vector of object. Gamma pattern generator generates first gamma pattern corresponding to first motion vector value and second gamma pattern corresponding to second motion vector value from first time point. Value of motion vector is changed from first motion vector value to second motion vector value at first time point. First and second gamma appliers generate first and second data by applying first and second gamma pattern to input data, respectively. Output converter outputs sum of first data times first weight and second data times second weight as gamma applied data. From first time point to second time point, output converter converts first weight from 1 to 0 and converts second weight from 0 to 1.
    Type: Application
    Filed: January 20, 2015
    Publication date: March 3, 2016
    Inventors: Dong-Gyu LEE, Joon-Chul GOH, Nam-Gon CHOI, Cheol-Woo PARK, Bong-Hyun YOU