Image retention and uniformity patterns
Burn-in Test
Inspect the display with a mid gray field, grayscale gradient, RGB bars and grid. The patterns can make a faint retained shape or uneven region easier to notice, but they do not prove its cause.
- Patterns
- Gray, gradient, RGB and grid
- Primary check
- Retention and uniformity
- Method
- Visual comparison
- Repair
- Not performed
Run a Burn-in Test across the screen
Allow the display to show normal varied content first, then inspect under consistent room light.
Start with 50 percent gray
Look for a faint outline, band, logo or menu shape that should not be present.
Use the grayscale
Check whether a suspected area changes across dark to bright tones.
Compare RGB bars
See whether the shape is stronger in one primary channel.
Finish with the grid
Use straight lines to notice warping, scaling or broad geometry issues.
Temporary retention and permanent burn in
Temporary image retention can fade after the content changes. Permanent burn in involves uneven aging that does not disappear through normal use. A browser pattern can reveal a visible difference but cannot determine the panel chemistry or permanence on its own.
Check again after the display has shown varied content or completed a maker provided maintenance routine. Photographing the screen can introduce camera banding and exposure differences, so inspect with your eyes as well.
Test without creating another static problem
Use each pattern only as long as needed for inspection. Avoid leaving a high brightness static test pattern on the display for an extended period.
The Black Screen tool helps examine dark uniformity, while the Color Wash provides an optional moving exercise for temporary retention. Neither page guarantees a repair.
Burn In Test patterns
Each pattern emphasizes a different visible characteristic.
50 percent gray
Provides a neutral midtone where retained shapes are often easier to notice.
Grayscale
Moves from black to white to reveal tonal transitions and broad banding.
RGB bars
Places the three primary colors side by side for channel comparison.
Grid
Adds regular horizontal and vertical lines for geometry and scaling observation.
Important: Do not leave static patterns on an OLED or other retention sensitive display longer than needed. Follow the device maker's maintenance instructions.
Burn-in Test questions
Can this confirm permanent burn in?
It can reveal a visible retained shape, but a single browser test cannot confirm why it exists or whether it is permanent.
Which pattern should I use first?
Start with 50 percent gray, then compare the same area on the gradient and RGB bars.
Will the test make burn in worse?
Brief inspection is the goal. Avoid prolonged high brightness static display and follow manufacturer guidance.