Patents by Inventor GYUHUN HAN

GYUHUN HAN 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).

  • Display apparatus and method of driving the same
    Patent number: 10650759
    Abstract: A display apparatus including a display panel, a gate driving part and a data driving part. The display panel is configured to display an image, and includes a gate line and a data line. The gate driving part is configured to output a gate signal to the gate line. The data driving part is configured to output a data signal to the data line, and to change a transition time when the data signal transits from a low level to a high level, according to at least one of a change of an inversion method for driving the display panel, and a change of a frame frequency of the image.
    Type: Grant
    Filed: June 27, 2017
    Date of Patent: May 12, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Taehyeong An, Jeongbong Lee, Yujin Kim, Gyuhun Han
  • Data driver and a display apparatus having the same
    Patent number: 10366668
    Abstract: A data driver which drives a display panel including a data line, a gate line and a common voltage line. The data driver includes a digital-to-analog converter configured to convert a data signal to a data voltage and an output buffer configured to amplify the data voltage. The output buffer includes an output channel through which an amplified data voltage is output to the data line and a dummy channel through which a feedback voltage corresponding to a common voltage from the common voltage line is received.
    Type: Grant
    Filed: February 16, 2017
    Date of Patent: July 30, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dongwook Lee, Jinho Jeong, Wooil Park, Gyuhun Han, Seonghyun Go
  • DISPLAY APPARATUS AND METHOD OF DRIVING THE SAME
    Publication number: 20180061336
    Abstract: A display apparatus including a display panel, a gate driving part and a data driving part. The display panel is configured to display an image, and includes a gate line and a data line. The gate driving part is configured to output a gate signal to the gate line. The data driving part is configured to output a data signal to the data line, and to change a transition time when the data signal transits from a low level to a high level, according to at least one of a change of an inversion method for driving the display panel, and a change of a frame frequency of the image.
    Type: Application
    Filed: June 27, 2017
    Publication date: March 1, 2018
    Inventors: Taehyeong An, Jeongbong Lee, Yujin Kim, Gyuhun Han
  • DATA DRIVER AND A DISPLAY APPARATUS HAVING THE SAME
    Publication number: 20170236485
    Abstract: A data driver which drives a display panel including a data line, a gate line and a common voltage line. The data driver includes a digital-to-analog converter configured to convert a data signal to a data voltage and an output buffer configured to amplify the data voltage. The output buffer includes an output channel through which an amplified data voltage is output to the data line and a dummy channel through which a feedback voltage corresponding to a common voltage from the common voltage line is received.
    Type: Application
    Filed: February 16, 2017
    Publication date: August 17, 2017
    Inventors: DONGWOOK LEE, JINHO JEONG, WOOIL PARK, GYUHUN HAN, SEONGHYUN GO