Side-by-Side Comparison
Panel Types
QD-OLED vs. TFT LCD
Comparing 2 standards across 11 specifications. 11 key differences identified.
Comparing:
QD-OLED
TFT LCD
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.
TFT LCD refers to the active-matrix driving technology used by virtually all modern LCD panels -- one thin-film transistor per subpixel controlling its voltage -- not a specific alignment type like TN, VA, or IPS, which are all built on a TFT backplane.
Specification Comparison Table
11 Parameters| Parameter / Spec | ||
|---|---|---|
|
Contrast Ratio
|
∞ : 1 (Infinite contrast) | — |
|
Viewing Angle
|
178° / 178° (Flawless off-axis) | — |
|
Response Time (GtG)
|
< 0.03 ms | — |
|
Color Gamut Coverage
|
100% sRGB / 99–100% DCI-P3 / 90% Rec.2020 | — |
|
Peak Brightness
|
1,000–1,500 nits (HDR peak) / 250–300 nits (Full field) | — |
|
Burn-in Risk
|
Low-Moderate (Quantum dot layer, heat mitigation) | — |
|
Backlight / Emissive Type
|
Blue OLED + Quantum Dot Color Converter | — |
|
Black Level / Minimum Luminance
|
Absolute Zero (0.000 nits in dark room) | — |
|
Technology Type
|
— | Active-matrix driving layer (not a panel alignment type) |
|
Mechanism
|
— | One thin-film transistor per subpixel |
|
Key Milestones
|
— | 1962: first TFT built (RCA) | 1973: first working TFT-LCD (Westinghouse) |