Patent · US Active

Display device

US11854475B2 · kind B2 · utility

1Cited by
4References
15Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 1, 2022
Grant dateDec 26, 2023
Priority date
Expiry dateApr 1, 2042

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09G2360/16
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

Disclosed herein is a display device for preventing a luminance floatation phenomenon in a low grayscale region. The display device includes a display panel, an external input interface configured to receive an image signal from an external device, and a controller configured to adjust a gamma value when an input frequency of the image signal is less than an output frequency of the display panel and a variable refresh rate (VRR) function for changing the output frequency according to the input frequency is activated and to output the image signal to the display panel based on the adjusted gamma value.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.