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).

  • Method of driving display panel using a plurality of clock signals and display apparatus for performing the same
    Patent number: 10347191
    Abstract: A method of driving a display panel includes providing a first clock signal having a first frequency and a second clock signal having a second frequency different from the first frequency. The method also includes providing a data signal of an N-th frame image to the display panel using the first clock signal, and providing a data signal of an (N+1)-th frame image to the display panel using the second clock signal. N is a natural number.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: July 9, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Won Park, Bong-Hyun You, Jae-Sung Bae, Jai-Hyun Koh
  • DISPLAY DEVICE AND METHOD OF MANUFACTURING DISPLAY DEVICE
    Publication number: 20190148475
    Abstract: A display device includes: a first substrate in which a display area and a non-display area disposed outside the display area are defined; a second substrate facing the first substrate; and a cell seal disposed on the non-display area, where the cell seal includes a bonding filament connecting the first substrate and the second substrate to each other.
    Type: Application
    Filed: September 20, 2018
    Publication date: May 16, 2019
    Inventors: Woo Suk SEO, Sang Woo HA, Sung Chul KIM, Jung Hyun KIM, Si Joon SONG, Jun Ho SONG, Bong Hyun YOU
  • DISPLAY DEVICE
    Publication number: 20180322844
    Abstract: A display device may include display pixels configured to emit light at a luminance corresponding to a data signal, at least one auxiliary pixel configured to store an auxiliary voltage, a gate driver configured to supply a gate signal to the display pixels and the auxiliary pixel, a data driver configured to convert image data into the data signal, and supply an auxiliary voltage having a preset level to the auxiliary pixel. A sensing circuit is configured to sense a change in the auxiliary pixel for each frame, and generate compensation voltage information. A timing controller is configured to convert an image signal into the image data, and generate a driving voltage control signal. A voltage generation unit is configured to generate a driving voltage corresponding to the driving voltage control signal, and generate the reference gamma voltage based on the driving voltage.
    Type: Application
    Filed: March 26, 2018
    Publication date: November 8, 2018
    Inventors: Jae Hoon LEE, Jai Hyun KOH, Heen Dol KIM, Bong Hyun YOU, Soo Yeon LEE, Seok Ha HONG
  • Tiled display device and synchronizing method thereof
    Patent number: 10025414
    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: Grant
    Filed: September 8, 2015
    Date of Patent: July 17, 2018
    Assignee: Samsung Display Co., Ltd.
    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
  • Pixel and organic light emitting display device using the same
    Patent number: 10013914
    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: Grant
    Filed: January 14, 2016
    Date of Patent: July 3, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Su Hyeong Park, Joon Chul Goh, Bong Hyun You, Jun Woo Hong
  • Method of driving display device
    Patent number: 10009604
    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: Grant
    Filed: January 4, 2016
    Date of Patent: June 26, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jung-Won Kim, Joon-Chul Goh, Bong Hyun You, Uk Chul Choi
  • GATE DRIVING CIRCUIT AND DISPLAY APPARATUS INCLUDING THE SAME
    Publication number: 20180130435
    Abstract: A stage of a gate driving circuit includes: a first control transistor diode-connected between a first input end of the stage and a first node, biased by a first input signal, and back-biased by a second input signal; a second control transistor including a control end which receives a third input signal, a first end connected to the first node, and a second end connected to a first voltage, and back-biased by a fourth input signal; a first output transistor including a control end connected to the first node, a first end connected to a clock input end of the stage, and a second end connected to a first output end of the stage; and a capacitor connected between the control and second ends of the first output transistor. The second input signal and the fourth input signal have enable levels during different periods.
    Type: Application
    Filed: November 2, 2017
    Publication date: May 10, 2018
    Inventors: Jae Hoon LEE, Soo-Yeon LEE, Seok Ha HONG, Bong Hyun YOU, Jai-Hyun KOH
  • Stereoscopic image display device and method for driving the same
    Patent number: 9912940
    Abstract: A stereoscopic image display device includes a display panel, a scan driver, and a data driver. The display panel includes pixels coupled to data lines and scan lines. The pixels do not emit light during a data pre-addressing period and pixels emit light during a data addressing period. The scan driver supplies scan signals to the scan lines. The data driver supplies data voltages to the data lines in synchronization with the scan signals. The scan driver supplies first scan signals to the scan lines during the data pre-addressing period, and supplies second scan signals to the scan lines during the data addressing period. Each of the first scan signals has one pulse, and each of the second scan signals has a plurality of pulses.
    Type: Grant
    Filed: January 22, 2015
    Date of Patent: March 6, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung-Taek Kim, Bong-Hyun You
  • 3 dimensional image display device
    Patent number: 9900586
    Abstract: A 3D image display device includes a display device including a plurality of pixels and displaying each of a left-eye image and a right-eye image. The display device inserts an black image between the left-eye image and the right-eye image such that the left-eye image is displayed for part of four frames and the black image is displayed for the remaining frames and the right-eye image is displayed for part of four other frames and the black image is displayed for the remaining other frames.
    Type: Grant
    Filed: January 13, 2014
    Date of Patent: February 20, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jai-Hyun Koh, Bong-Hyun You, Jae-Sung Bae
  • Display apparatus
    Patent number: 9898980
    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: Grant
    Filed: May 1, 2015
    Date of Patent: February 20, 2018
    Assignee: Samsung Display Co., Ltd.
    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
  • DISPLAY DEVICE
    Publication number: 20180040287
    Abstract: A display device includes a display panel, a timing controller which receives a first image signal and a first control signal from an external device and outputs a second image signal and a second control signal, and a data driving part including a plurality of source integrated circuits (“IC”s) having different channel numbers based on a distance thereof from the timing controller, in which the data driving part receives the second image signal and the second control signal and outputs a third image signal and a third control signal to the display panel.
    Type: Application
    Filed: October 19, 2017
    Publication date: February 8, 2018
    Inventors: Dong-Won PARK, Bong-Hyun YOU
  • Method of driving display panel and display apparatus for performing the same
    Patent number: 9875681
    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: January 24, 2017
    Date of Patent: January 23, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyoung-Won Lee, Su-Hyeong Park, Bong-Hyun You, Ho-Yong Jung, Eun-Ho Lee, Hyun-Dae Lee
  • Liquid crystal display device and driving method thereof
    Patent number: 9870740
    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: Grant
    Filed: June 9, 2015
    Date of Patent: January 16, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Se-Ki Park, Yong-Hoon Kwon, Bong-Hyun You, Joon-Chul Goh
  • Image display system
    Patent number: 9851835
    Abstract: An image display system is provided. The image display system includes a host, and a touch controller configured to generate touch event information corresponding to a touch signal and supply the touch event information to an accelerator, wherein the touch signal is output from a touch panel. The accelerator is configured to generate, based on the touch event information supplied from the touch controller, output image data corresponding to a touch event. The image display system further includes a display controller configured to supply the output image data generated by the accelerator to a display panel.
    Type: Grant
    Filed: February 5, 2015
    Date of Patent: December 26, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Mun-San Park, Weon-Jun Choe, Myeong-Su Kim, Kee-Hyun Nam, Jae-Wan Park, Jung-Hyun Baik, Bong-Hyun You
  • Display device with source integrated circuits having different channel numbers
    Patent number: 9824660
    Abstract: A display device includes a display panel, a timing controller which receives a first image signal and a first control signal from an external device and outputs a second image signal and a second control signal, and a data driving part including a plurality of source integrated circuits (“IC”s) having different channel numbers based on a distance thereof from the timing controller, in which the data driving part receives the second image signal and the second control signal and outputs a third image signal and a third control signal to the display panel.
    Type: Grant
    Filed: January 13, 2014
    Date of Patent: November 21, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dong-Won Park, Bong-Hyun You
  • Terminal and apparatus and method for reducing display lag
    Patent number: 9811301
    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: Grant
    Filed: February 20, 2015
    Date of Patent: November 7, 2017
    Assignee: Samsung Display Co., Ltd.
    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
  • Method of driving a display panel and display device performing the same
    Patent number: 9805673
    Abstract: A method of driving a display panel is disclosed. In one aspect, the display panel includes a plurality of pixels, each of the pixels including a first transistor connected to a first gate line and a pixel electrode and a second transistor connected to a second gate line and the pixel electrode. The method including alternately providing the first gate line with a gate signal and a reverse bias signal and alternately providing the second gate line with the gate signal when the first gate line is provided with the reverse bias signal and the reverse bias signal when the first gate line is provided with the gate signal.
    Type: Grant
    Filed: January 22, 2014
    Date of Patent: October 31, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Hwa Shin, Joon-Chul Goh, Won-Sik Oh, Hyun-Sik Hwang, Bong-Hyun You
  • Liquid crystal display, liquid crystal panel, and method of driving the same
    Patent number: 9778524
    Abstract: A liquid crystal display includes a plurality of data lines and a plurality of gate lines disposed on a substrate in horizontal and vertical directions, respectively, pixel electrodes formed at intersecting regions of the data lines and the gate lines, a plurality of erasing signal lines disposed parallel to the gate lines, first thin film transistors, each including a first source electrode connected to one data line, a first gate electrode connected to one gate line, and a first drain electrode connected to one pixel electrode, and second thin film transistors, each including a second drain electrode connected to the pixel electrode, a second gate electrode connected to the erasing signal line, and a second source electrode connected to a predetermined potential.
    Type: Grant
    Filed: December 4, 2006
    Date of Patent: October 3, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Bong-Hyun You
  • Organic light emitting display device and driving method thereof
    Patent number: 9747832
    Abstract: An organic light emitting display includes: a data driver configured to supply a data signal to data lines, corresponding to a data enable signal during a driving period in which an image is displayed; and a timing controller configured to supply data and the data enable signal to the data driver, wherein a first data enable signal having a first period and a second data enable signal having a second period differing from the first period are included in the data enable signal supplied during one frame period.
    Type: Grant
    Filed: January 13, 2015
    Date of Patent: August 29, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung-Taek Kim, Bong-Hyun You
  • Display device
    Patent number: 9659535
    Abstract: A display device includes a timing controller configured to generate an image signal including a pre-emphasis voltage, a data driver configured to generate a plurality of data signals based on the image signal, and provide information about whether the image signal is normally received or not to the timing controller, and a display panel configured to receive the plurality of data signals and display images corresponding to the received data signals, where when the data driver fails to normally receive the image signal, the timing controller increases a level of the pre-emphasis voltage.
    Type: Grant
    Filed: January 22, 2014
    Date of Patent: May 23, 2017
    Assignee: SAMSUNG DISPLAY CO. LTD.
    Inventors: Dong Won Park, Cheol Woo Park, Bong Hyun You