256-Step Grayscale Linearity & Contrast Sweep

RGB Subpixel Channel Uniformity

RED (255, 0, 0)
GREEN (0, 255, 0)
BLUE (0, 0, 255)
OLED Special Utility

OLED Display Test - True Black, HDR Peak & Subpixel Test

Tailored specifically for OLED & QD-OLED displays. Test zero-luminance true black purity, 1000-nit HDR white peak simulation, and near-black shadow detail.

Key Features

0-Luminance True Black Test
Near-Black 1%-5% Gray Banding Test
Peak Brightness White Box
RGB Subpixel Clean Test

How to Use This Utility

  1. 1Run the OLED test in a dark room.
  2. 2Check near-black 1% to 5% gray uniformity for vertical banding.

Frequently Asked Questions

What makes OLED testing different from LCD testing?

OLED pixels turn off completely for true black, whereas LCD panels use a backlight. OLED tests evaluate near-black gray uniformity and pixel shutoff accuracy.