Overview
Display Uniformity Test.
Check monitor screen uniformity, panel clouding, and Dirty Screen Effect (DSE) across 9-zone and 25-zone matrix grids with customizable luminance.
DOMAINscreentesttool.com
CATEGORYuniformity
KEYBOARDF • Space • Z
Execution steps
- 01Select the 3x3 or 5x5 grid matrix layout.
- 02Set background luminance (25%, 50%, 75%, 100% brightness).
- 03Compare corner and edge zones with the central zone.
- 04Look for subtle dark vignetting around edges or blotchy patches (Dirty Screen Effect).
Diagnostic symptoms
- Vignetting: Darkening near screen corners.
- Dirty Screen Effect (DSE): Smudge-like dark vertical bands noticeable during panning motions.
3x3 Display Uniformity Matrix Generator
Compare regional luminance percentages across 9 screen zones to check for vignetting and clouding.
Zone 1Ref: 50%
Zone 2Ref: 50%
Zone 3Ref: 50%
Zone 4Ref: 50%
Zone 5Ref: 50%
Zone 6Ref: 50%
Zone 7Ref: 50%
Zone 8Ref: 50%
Zone 9Ref: 50%