QD-OLED vs. TN
Comparing 2 standards across 8 specifications. 8 key differences identified.
QD-OLED combines a blue OLED light source with a quantum-dot color-conversion layer, an approach Samsung Display commercialized in 2022 -- as distinct from LG's older WOLED, which uses a white OLED source filtered through color filters. Reviewers report wider color volume as the main practical benefit.
TN (Twisted Nematic) is the fastest and cheapest common LCD panel type, with response times as low as 1ms -- traded off against narrow, asymmetric viewing angles and noticeable color shift when viewed from above or below.
Specification Comparison Table
8 Parameters| Parameter / Spec | ||
|---|---|---|
|
Contrast Ratio
|
∞ : 1 (Infinite contrast) | 1,000 : 1 (Static) |
|
Viewing Angle
|
178° / 178° (Flawless off-axis) | 170° Horizontal / 160° Vertical (Severe vertical shift) |
|
Response Time (GtG)
|
< 0.03 ms | 0.5–1 ms (Ultra-fast) |
|
Color Gamut Coverage
|
100% sRGB / 99–100% DCI-P3 / 90% Rec.2020 | 90–95% sRGB / 70–75% DCI-P3 |
|
Peak Brightness
|
1,000–1,500 nits (HDR peak) / 250–300 nits (Full field) | 300–400 nits |
|
Burn-in Risk
|
Low-Moderate (Quantum dot layer, heat mitigation) | None (Immune) |
|
Backlight / Emissive Type
|
Blue OLED + Quantum Dot Color Converter | Transmissive Edge LED |
|
Black Level / Minimum Luminance
|
Absolute Zero (0.000 nits in dark room) | Moderate (0.2–0.4 nits) |