DISPLAY TEST
Backlight Bleed Test
Check your monitor, laptop, tablet, or phone display for visible backlight bleed, bright corners, uneven illumination, and dark-screen uniformity.
Check Screen Backlight Uniformity
For the best result, dim the room lights and use fullscreen mode. Look for unusually bright areas around the corners and edges of the display.
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Click screen or use ← → keys
Select Backlight Test
Test Screen Brightness
Adjust the test pattern brightness without changing
your actual monitor brightness.
100%
Best Testing Conditions
Use a dark or dim room, clean the display first,
and view the screen from your normal seating position.
Backlight bleed is generally easiest to notice on a
completely black screen.
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Current Test
8
Test Modes
Manual
Test Mode