Comment by tverbeure

That’s partially right. There’s also the issue of decay due to the LCD cell not being refreshed. It’s similar to not refreshing a DRAM cell.

But the flicker in VRR doesn’t only happen at lower frame rates. Some panels are more susceptible than others. It’s a headache.

It’s also a serious issue when doing 3D stereo on an LCD panel and having a static scene: alternating frames will display left and right views which may be pixels of different color.