OLED Screen Test Online
Use mid-grey, black, and checkerboard patterns to look for burn-in, retention, crushed shadows, and uneven OLED aging.
Live screen test
Start with the real patterns.
Look for leftover taskbars, logos, or UI bars. This is not a wallpaper download.
What it checks
Use this test when you need a clear visual answer.
OLED Screen Test is built for quick inspection, not lab measurement. It gives you controlled browser patterns so you can decide whether the screen needs setup, retesting, or warranty attention.
Image retention on grey
Black uniformity and crush
Color field evenness
A leftover bar or logo that stays put on mid grey is image retention or burn-in, not a wallpaper.
Uneven glow or a flat void on black is black uniformity or crush, not a Windows crash.
Cloudy patches or a tint shift on grey are uneven aging or mura, not a color-screen lab.
Result guide
How to read the oled result
Start with the 50% gray pattern, then switch to adjacent patterns before making a decision. A real display problem usually stays in the same area when the pattern changes. A reflection, viewing angle shift, browser zoom issue, or temporary image setting often changes when you move your head, adjust brightness, or repeat the test after a restart.
Image retention on grey
Use this page to isolate image retention on grey under controlled screen patterns. Scan the center, edges, and corners, then confirm the same area with a second pattern before you treat it as a panel issue.
Black uniformity and crush
Use this page to isolate black uniformity and crush under controlled screen patterns. Scan the center, edges, and corners, then confirm the same area with a second pattern before you treat it as a panel issue.
Color field evenness
Use this page to isolate color field evenness under controlled screen patterns. Scan the center, edges, and corners, then confirm the same area with a second pattern before you treat it as a panel issue.
Workflow
How to use the oled screen test
Warm the panel for a few minutes, then start on 50% gray in a normally lit room.
Look for leftover taskbars, logos, or UI rectangles. Confirm anything suspicious on 25% gray and the checkerboard.
Finish with black and near-black. Keep bright white fields brief.
Use cases
Where this screen test is most useful
Used OLED check
Grey fields are the fastest way to see leftover HUD or desktop burn-in.
New TV or monitor
Confirm black is even and shadows are not crushed before the return window closes.
Phone or laptop OLED
Open the same patterns on the device browser and inspect at normal brightness.
Reading the result
Practical tips before you decide
Grey first, white last
Retention shows on grey. Long fullscreen white can trigger ABL and is harsh on OLED.
Judge at normal distance
Pixel-level grain can look worse up close than it does in daily use.
This is not a pixel-fix tool
The page helps you see retention and uniformity. It does not repair worn pixels.
Device setup
Use the same screen test across real viewing setups
The oled screen test works best when the test matches the way you actually use the display. Keep the room lighting, brightness, scaling, and viewing distance close to normal, then repeat the pattern only after a setting change. This keeps the result practical instead of turning the page into a lab claim.
Desktop and laptop monitors
Use native resolution, 100 percent browser zoom, and the monitor picture mode you normally use. If you change brightness, contrast, overdrive, or color temperature, repeat the oled pass before comparing results.
TVs, projectors, and large panels
Step back to your real viewing distance after a close inspection. Large screens can exaggerate small edge, glow, focus, or processing issues, so confirm anything suspicious with normal video, games, or desktop content.
Phones and tablets
Rotate the device if the browser supports it, clean the glass, and reduce reflections before judging the result. Some mobile browsers limit fullscreen behavior, but the same pattern sequence still helps with quick display checks.
Related tests
Continue with adjacent checks
Dead Pixel Test
Use full-screen color fills to find pixels that stay black, white, or visibly different from the surrounding panel.
Black Screen
A fullscreen black screen helps reveal bright stuck pixels, light leakage, OLED behavior, and dark-room panel glow.
Greyscale Test
Walk 17 grey steps and solid gray fields to see crushed shadows, clipped highlights, tint, and dirty screen effect.
HDR Test
See if this window reports high dynamic range, then use highlight and wide-gamut patterns to judge HDR tone behavior.
FAQ
OLED Screen Test questions
These answers match the visible test on this page and avoid warranty or measurement claims that depend on your specific display.
How do I check an OLED for burn-in?
Open a 50% gray field fullscreen and look for leftover UI, logos, or bars. Confirm the same shape on a darker grey and the checkerboard. A mark that stays in one place is more serious than a faint image that fades after a few minutes.
Is a short OLED test safe?
Yes for a normal inspection. Keep static bright patterns short, hide the on-screen controls with H if needed, and do not leave a white field running unattended.
What is black crush on OLED?
Near-black steps merge into a flat void, so shadow detail disappears. Use the near-black pattern, then compare with real dark video. Some crush is processing, not a dead panel.
Does this measure ABL or nits?
No. ABL can dim a large bright field. Treat that as expected behavior, not a lab brightness reading.
Can this tell me if my screen is OLED, or give me a test wallpaper?
No. This page assumes you already have an OLED or AMOLED panel and want to inspect it. It does not identify LCD versus OLED, and it does not download a black or honeycomb wallpaper. Red, green, and blue stay on their own pages.
Can I use the oled screen test on more than one device?
Yes. Open the same page on each monitor, laptop, phone, tablet, TV, or projector, then compare the oled result under similar brightness and room lighting. Device browsers can handle fullscreen differently, but the visual patterns are still useful for a practical check.
Does this online oled test replace professional calibration?
No. This page is a browser-based visual test for finding obvious display problems and setup issues. For color-critical work, brightness targets, or measured calibration, use a hardware colorimeter or professional display workflow after the visual pass.
How to Check a Monitor for Dead Pixels
A reliable dead pixel check uses fullscreen solid colors, steady lighting, and a repeatable inspection path. The goal is to separate real panel defects from dust, reflections, scaling artifacts, and temporary cable issues.
How to Test a New Monitor
A new monitor should be tested before you mount it, remove packaging, or let the return window pass. Start with panel defects, then verify uniformity, tone, text clarity, refresh rate, and real content.
Monitor Calibration Guide
Browser tests can help you set a monitor to a sensible baseline and spot obvious problems. They do not replace a colorimeter, but they make brightness, contrast, gamma, sharpness, and banding easier to judge before hardware calibration.
Ready to inspect the full screen?
Open the fullscreen pattern and move through the test slowly.