Patents by Inventor JACHUL HWANGSE

JACHUL HWANGSE 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 device and method for adjusting gradation value
    Patent number: 11935451
    Abstract: Provided is a display device for providing a constant brightness for each area by including an area sensing part configured to determine a position value of an input image in the display device, and determine an area range according to the position value to output an area value, a gradation value determining part configured to output a first gradation value corresponding to a brightness of the input image according to the area value, a control part configured to output a corrected gradation value corresponding to the first gradation value, and a display part configured to display a corrected image having the corrected brightness corresponding to the corrected gradation value.
    Type: Grant
    Filed: December 12, 2022
    Date of Patent: March 19, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chang Ho Hyun, Kyemoon Lee, Jachul Hwangse
  • DISPLAY DEVICE AND METHOD FOR ADJUSTING GRADATION VALUE
    Publication number: 20230114324
    Abstract: Provided is a display device for providing a constant brightness for each area by including an area sensing part configured to determine a position value of an input image in the display device, and determine an area range according to the position value to output an area value, a gradation value determining part configured to output a first gradation value corresponding to a brightness of the input image according to the area value, a control part configured to output a corrected gradation value corresponding to the first gradation value, and a display part configured to display a corrected image having the corrected brightness corresponding to the corrected gradation value.
    Type: Application
    Filed: December 12, 2022
    Publication date: April 13, 2023
    Inventors: CHANG HO HYUN, KYEMOON LEE, JACHUL HWANGSE
  • Display device and method for adjusting gradation value
    Patent number: 11527187
    Abstract: Provided is a display device for providing a constant brightness for each area by including an area sensing part configured to determine a position value of an input image in the display device, and determine an area range according to the position value to output an area value, a gradation value determining part configured to output a first gradation value corresponding to a brightness of the input image according to the area value, a control part configured to output a corrected gradation value corresponding to the first gradation value, and a display part configured to display a corrected image having the corrected brightness corresponding to the corrected gradation value.
    Type: Grant
    Filed: March 26, 2021
    Date of Patent: December 13, 2022
    Inventors: Chang Ho Hyun, Kyemoon Lee, Jachul Hwangse
  • DISPLAY DEVICE AND METHOD FOR ADJUSTING GRADATION VALUE
    Publication number: 20210375175
    Abstract: Provided is a display device for providing a constant brightness for each area by including an area sensing part configured to determine a position value of an input image in the display device, and determine an area range according to the position value to output an area value, a gradation value determining part configured to output a first gradation value corresponding to a brightness of the input image according to the area value, a control part configured to output a corrected gradation value corresponding to the first gradation value, and a display part configured to display a corrected image having the corrected brightness corresponding to the corrected gradation value.
    Type: Application
    Filed: March 26, 2021
    Publication date: December 2, 2021
    Inventors: CHANG HO HYUN, KYEMOON LEE, JACHUL HWANGSE