Samsung QD-OLED & AMOLED Diagnostic
Test Samsung OLED Screen
Inspect your Samsung QD-OLED TV (S90C, S95C, S90D) or Odyssey OLED monitor for dead subpixels, gray uniformity, and image retention.
QD-OLED Inspection Tips
Samsung QD-OLED displays use quantum dot color converters with self-emissive blue OLED layers. Because there is no backlight, pure black is absolute 0.0 nits with zero backlight bleed. Solid red, green, and blue screens isolate individual QD subpixel emitters.