the.com/dead pixels
one tiny square on your screen quietly retires while you keep paying full price.
means a dead pixel is a display point that fails to light up or gets stuck on one color, breaking the illusion of a seamless image.
from emerged with LCD manufacturing in the 1990s, when each pixel's three subpixel transistors proved fragile enough to fail during or after production.
stuck vs deadstuck pixels show color, dead ones show nothing
manufacturing tolerancemost brands allow a few before refund
self repairmassaging a stuck pixel sometimes revives it
grows worseheat and age can create new ones over years
for instance
nintendo switch screens — 2017 launch units flagged for visible dead pixels
iphone displays — apple's policy tolerates a small pixel count as normal
gaming monitor reviews — rtings tests every panel under a pixel-mapping tool