OLED Gray Screen Test
Step through carefully calculated 1%, 2%, 3%, 4%, 5%, 10%, 20%, and 50% gray surfaces in fullscreen.
Related tools
Practical uses for OLED Gray Screen Test
- Inspect near-black vertical banding.
- Look for persistent tint or retained shapes.
- Compare behavior at multiple gray levels instead of relying on one image.
A careful three-step workflow
- 1
Allow the display to warm up and disable dynamic picture changes if appropriate.
- 2
Start at 5% gray, then compare darker and brighter levels.
- 3
View from a normal position and avoid judging from a long-exposure photo alone.
Interpret the result in context
- This test may reveal variation; it cannot diagnose its cause or prevent burn-in.
- Automatic brightness limiting and panel compensation can change the surface over time.
- State for OLED Gray Screen Test is processed locally and resets from the normal page view.
Near-black gray fields for OLED and AMOLED inspection
OLED panels can look very different close to black than they do at ordinary brightness. This test provides calculated gray steps from 1 percent through 50 percent so you can look for persistent vertical bands, patches, tint, or retained shapes. It is an observation tool only: it does not query panel health, trigger a compensation cycle, repair image retention, or predict burn-in.
A sensible testing sequence
- Allow the display to reach normal operating temperature and use the picture mode you actually watch or work in.
- Begin at 5 percent gray. This is easier to assess than the darkest fields and provides a useful reference.
- Compare 1–4 percent only after your eyes adapt to a dim room. Very dark steps can be affected by black crush, browser rendering, and the display’s tone mapping.
- Move upward through 10, 20, and 50 percent. Note whether a feature persists, changes intensity, or disappears.
- Return to real dark content. Weight a pattern according to how visible it is during normal use, not according to a long-exposure photograph.
What you may see
Vertical banding appears as columns that are slightly brighter or darker than neighboring areas. Tint appears as a regional green, pink, red, or other color cast. Dirty-screen effect is broader patchiness or streaking over a nominally uniform field. Temporary image retention can resemble content that was shown earlier; its presence and persistence vary. These descriptions overlap, and this test cannot determine their cause or warranty significance.
What the requested levels contribute
| Requested gray | Use in the sequence | Interpret carefully because |
|---|---|---|
| 1–2% | Very near-black emergence | Black crush and dark adaptation dominate |
| 3–4% | Compare the darkest repeatable bands or patches | Camera exposure can exaggerate the surface |
| 5% | Practical starting reference | It is still a requested code, not measured luminance |
| 10–20% | Check whether low-level features persist | Device processing and picture mode remain active |
| 50% | Broader neutral tint and uniformity | Viewing angle can change the apparent gray |
“Gray” and “grey” describe the same neutral-screen intent here. OLED televisions, OLED monitors, and AMOLED phones can all render near-black levels differently because the device pipeline, panel design, brightness controls, and ambient-tone features differ. Keep one device’s conditions stable; do not treat two browser screenshots as a measured cross-device comparison.
Important variables
Automatic brightness limiting, compensation routines, variable refresh behavior, HDR state, panel age, room temperature, and the device’s own processing can alter the surface. Some mobile devices also change tone and white balance based on ambient light. Disable only settings you understand, and restore your normal configuration afterward. Do not repeatedly run maintenance cycles unless the manufacturer instructs you to do so.
For brighter fields and region comparison, continue with the Screen Uniformity Test. The Black Screen helps inspect dark-room behavior without near-black steps. Read OLED Gray Uniformity, Banding, Tint, and DSE for a fuller interpretation guide.
Plan a useful session with OLED Gray Screen Test
OLED Gray Screen Test works best when you start with one question. Decide what you need to view, compare, create, record, or demonstrate. Keep the first run at the default state. Change one control after you understand the starting result. This approach gives you a clear baseline and a useful reason for every adjustment.
Step through carefully calculated 1%, 2%, 3%, 4%, 5%, 10%, 20%, and 50% gray surfaces in fullscreen. Use the normal page view to prepare the settings. Enter fullscreen only after you review the exit control. Write down the mode and key values when you need to repeat the result on another device.
Choose controls by outcome
The available modes include 1 gray, 2 gray, 3 gray, 4 gray, 5 gray, 10 gray, 20 gray, 50 gray. The control set includes fullscreen, auto cycle, keyboard, swipe, wake lock, quick download, reset. Start with the option closest to your task. Avoid changing every value at once. A single change gives you a direct before-and-after comparison and makes a saved result easier to explain.
- Inspect near-black vertical banding. Set a clear finish point before you begin.
- Look for persistent tint or retained shapes. Set a clear finish point before you begin.
- Compare behavior at multiple gray levels instead of relying on one image. Set a clear finish point before you begin.
Run a repeatable workflow
- Stage 1. Allow the display to warm up and disable dynamic picture changes if appropriate. Record the starting environment and state.
- Stage 2. Start at 5% gray, then compare darker and brighter levels. Keep the first comparison short and controlled.
- Stage 3. View from a normal position and avoid judging from a long-exposure photo alone. Reset the page when the session ends.
For a device comparison, use the same browser family, viewport, room light, physical brightness, and viewing distance where practical. Run the same order on both devices. Change one environmental factor only after the matched pass is complete. Keep this route focused on this use: Inspect near-black vertical banding.
Keep a useful record
A useful record names the page, mode, control values, browser, device, viewport, date, and viewing condition. For a visual observation, describe the location and the fields where the effect appears. For a generated asset, record dimensions, format, color values, and the downloaded file name. For a simulation, record the duration, custom text, disclosure, and exit method. The starting reference for this page is 1 gray.
- This test may reveal variation; it cannot diagnose its cause or prevent burn-in.
- Automatic brightness limiting and panel compensation can change the surface over time.
Avoid common setup errors
- For this use, do not treat a browser view as a hardware measurement or system action: Inspect near-black vertical banding.
- Do not change several settings before you record the baseline. Begin with 1 gray.
- Do not rely on a phone photograph as the only evidence. Keep this route limit in view: This test may reveal variation; it cannot diagnose its cause or prevent burn-in.
- Do not leave route features active after the task ends. The main controls include fullscreen, auto cycle, keyboard, swipe.
- Do not add private data, credentials, payment details, or confidential text. Keep the second listed use in scope: Look for persistent tint or retained shapes.
Continue with the closest comparison
Open a related route when the first page reveals a new question. Keep the same environment and repeat only the part needed for comparison. The closest listed routes are Screen Uniformity Test, Black Screen, Gray Screen. Keep this final use in mind: Compare behavior at multiple gray levels instead of relying on one image.
- Screen Uniformity Test. Inspect luminance, tint, dirty-screen effect, and edge variation with controlled fields and grids.
- Black Screen. A pure black fullscreen surface for dark-room checks and distraction-free secondary displays.
- Gray Screen. A neutral mid-gray display with useful level presets.
Recommended guides
Questions about OLED Gray Screen Test
What does OLED Gray Screen Test do?
Step through carefully calculated 1%, 2%, 3%, 4%, 5%, 10%, 20%, and 50% gray surfaces in fullscreen. Inspect near-black vertical banding. Look for persistent tint or retained shapes.
Who gets the most value from this page?
Use this page when your task matches the listed purpose. Inspect near-black vertical banding. Look for persistent tint or retained shapes. Start with a clear goal and stop once the page answers that goal.
Which OLED Gray Screen Test setting should you choose first?
Start with 1 gray, 2 gray, 3 gray, 4 gray, 5 gray, 10 gray, 20 gray, 50 gray. Keep the default state for the first pass. Change one control, review the result, then record the setting before another change.
What should you prepare before fullscreen?
Use native resolution where practical. Record scaling, HDR state, picture mode, room light, and viewing distance before starting the test. Allow the display to warm up and disable dynamic picture changes if appropriate. Start at 5% gray, then compare darker and brighter levels.
Does this page change hardware or system settings?
The browser shows controlled patterns or generates local output. The page does not inspect panel electronics, certify calibration, provide medical advice, or decide warranty status. The 1 gray mode and Reset affect local page state only.
How should you judge the result?
Repeat the observation at another relevant level. Change one variable at a time. Confirm a pattern result in ordinary work, video, or games before assigning practical weight. This test may reveal variation; it cannot diagnose its cause or prevent burn-in. Automatic brightness limiting and panel compensation can change the surface over time.
Does the page upload files or settings?
No tool state is uploaded by ScreenOrbit. Supported local files stay in the current browser tab. Generated files are assembled in browser memory and download to your device. The starting mode is 1 gray. The first use is: Inspect near-black vertical banding.
Which phones, tablets, and computers support the tool?
Current desktop and mobile browsers support the core page. Fullscreen, Wake Lock, downloads, audio, and local file access depend on browser and operating system support. The visible control set starts with fullscreen. The first use is: Inspect near-black vertical banding.
What mistakes reduce the value of the page?
Avoid changing brightness, picture mode, viewing angle, and room light at the same time. Multiple changes make the result hard to reproduce. Keep the goal, settings, environment, and exit plan clear. The first listed use is: Inspect near-black vertical banding.
Which ScreenOrbit tool should you open after OLED Gray Screen Test?
Continue with Screen Uniformity Test, Black Screen, Gray Screen. The related links preserve the same task area while giving you another field, pattern, or workflow for comparison.