SCREEN TEST
OLED Screen Test
Check OLED black levels, near-black detail, color uniformity, grayscale transitions, gradients, and basic display consistency using fullscreen test patterns.
Pure Black
Useful for checking OLED black level and visible glow in a dark room.
OLED Display Test
Start with Pure Black, then move through near-black, grayscale, color, gradient, and uniformity patterns. Fullscreen mode gives the clearest viewing experience.
OLED Test Patterns
Test Settings
Pattern Intensity
Adjust the software-rendered test pattern intensity.
100%
Auto-Cycle Interval
Choose how long each pattern stays on screen.
5 sec
Display Test Only
This tool shows visual reference patterns only. It cannot repair
burn-in, stuck pixels, panel defects, or change your device's
hardware brightness. Results can also vary with browser,
display settings, HDR mode, and ambient lighting.
Pure Black
Current Pattern
1 / 15
Test Number
Manual
Test Mode