HubGray Uniformity Screen
Overview

Gray Uniformity Screen.

Uniform gray test screen with adjustable shade levels (5%, 10%, 25%, 50%, 75%). Uncovers panel clouding, vignetting, and banding artifacts.

DOMAINscreentesttool.com
CATEGORYuniformity
KEYBOARDF • Space • Z

Execution steps

  1. 01Launch Fullscreen Gray Screen.
  2. 02Toggle between 5% dark gray (near black) and 50% medium gray.
  3. 03Scan the screen surface for vertical streaks, clouding, or localized tinting.

Diagnostic symptoms

  • 5% Gray: Shows dark scene banding and OLED near-black uniformity.
  • 50% Gray: Highlights Dirty Screen Effect (DSE).