Picture quality difference
OLED panels use self-emissive pixels, so each pixel turns off completely for true black levels and stunning contrast. QLED uses a quantum-dot LED backlight, which can reach higher peak brightness and vivid colours — especially useful in bright living rooms with large windows.
Brightness and room light
If your living room gets a lot of daylight, QLED may feel more punchy during daytime viewing. For movie lovers who watch in the evening, OLED creates a more cinematic experience with deeper shadows and richer contrast.