Contrast ratio is just the comparison between the brightest white and the darkest black. All OLED, by virtue of having pure black darks, have infinite contrast

Contrast ratio is just the comparison between the brightest white and the darkest black. All OLED, by virtue of having pure black darks, have infinite contrast ratio. Doesn't matter if it's a good OLED or a shitty one, they all universally have perfect contrast ratio.