Patent · US Active

Display device

US11322077B1 · kind B1 · utility

4Cited by
1References
15Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 19, 2021
Grant dateMay 3, 2022
Priority date
Expiry dateMar 19, 2041

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.