Google's Pixel 4 is back in the news and this time it's the not-so-smooth 90Hz display refresh rate. Multiple users have reported the erratic nature of the screen's refresh rate where it changes between 60Hz and 90Hz depending on conditions like the screen's brightness, ambient lighting, and others.
The anti-reflective coating is designed to reduce or minimize the scattering of incident light by maximizing the reflective properties of the coating material.