Pro Lab
The central workstation for power users and display reviewers. Launch precision benchmarks for 1:1 pixel mapping, high-speed motion trailing, OLED low-gray quantization, and Mini-LED zone blooming.
Custom Test Builder
Construct arbitrary test patterns, configure pixel mapping, checkerboard frequencies, moving bars, and high-velocity starfields with zero code. Save custom configurations or share test URLs instantly.
Professional Presets Library
Standardized engineering benchmarks for display quality, motion, emissive contrast, and pixel alignment.
Gaming Motion Benchmark
High-speed 960 px/s moving UFO object across a neutral dark background to evaluate motion blur and tracking clarity.
Standard 960 px/s panning velocity aligns with typical 16px per frame motion at 60Hz and 4px per frame at 240Hz.
Fast Ghosting & Overdrive Inspection
Ultra-fast 1440 px/s moving blocks against a mid-gray field to reveal inverse ghosting (pixel overshoot coronal trails).
Ghosting appears as dark/colored smearing trailing behind the object; overshoot appears as a bright inverse halo ahead or behind the edge.
Frame Pacing & VSync Cadence
Smooth continuous motion bar for detecting micro-stutters, skipped frames, and compositor desynchronization.
Any hitch or micro-stutter manifests as a visible visual jump or momentarily duplicated edge.
Pixel Mapping 1px Reference
Alternating 1px black and white checkerboard to verify unscaled 1:1 physical pixel alignment without blur or scaling artifacts.
On a true 1:1 mapped display with 100% scaling, this appears as an utterly uniform neutral gray field without moiré or shimmer.
Pixel Mapping 2px (HiDPI / Retina)
2px alternating checkerboard pattern tailored for high-DPI displays operating with standard 200% integer scaling.
With 2x DPR, 2 CSS pixels map cleanly to 4 physical hardware pixels, eliminating fractional interpolation.
Fine Line & Inversion Inspection
1px precision vertical line field to test panel subpixel inversion, pixel crosstalk, and scaler sharpness artifacts.
If vertical lines appear tinted or flicker heavily, panel polarity inversion or subpixel aliasing is present.
Text Clarity & Subpixel Antialiasing
Multi-scale typographic samples to inspect subpixel font rendering, fringing (ClearType/CoreText), and BGR vs RGB subpixel layouts.
WOLED, QD-OLED, and BGR subpixel layouts often cause faint red or green color fringing on black/white text edges.
Gradient Banding & Bit-Depth Ramp
Full-width horizontal grayscale ramp from pure black to pure white to detect digital banding and panel bit-depth limits.
True 10-bit and high-quality 8-bit+FRC panels show a seamless gradient; 6-bit or poorly calibrated panels show distinct vertical bands.
Color Separation & Discrimination
Subtle step delta color blocks across primary Red, Green, and Blue hues to evaluate chromatic distinction threshold.
Tests panel ability to delineate very close digital color values (+1, +2, +4, +8 RGB delta).
Gamma 2.2 Mathematical Reference
A mathematical 50% luminance line field surrounding a target gamma 2.2 test patch for optical luminance matching.
At standard viewing distance with relaxed focus, the center square should visually merge with the striped background.
Near-Black OLED Shadow Detail
Digital levels 0 through 32 in a precision patch grid to identify black crush and low-luminance tinting.
Level 0 is absolute black (emissive off). Levels 1 through 4 should remain faintly perceptible in a completely darkened room.
OLED Uniformity & 5% Gray Jailbars
5% dark gray full-screen field—the global standard benchmark for inspecting OLED vertical streaking and non-uniformity.
Faint vertical lines ("jailbars") are common on large WOLED panels in dark scenes and typically subside with panel operating hours.
OLED Dark-State Overshoot
Near-black moving block on pitch black to observe emissive panel near-black turn-on response and white/gray trailing.
OLED pixels switch nearly instantaneously from color to color, but transitioning out of 0% black can trigger transient overshoot.
HDR 10-Bit Wide-Gamut Ramp
High dynamic range gradient ramp designed to test tone-mapping smoothness and 10-bit signal preservation.
Verifies whether the operating system HDR compositor passes full precision without 8-bit quantization dithering.
HDR Highlight Distinction (240–255)
Digital steps 240 to 255 to inspect specular highlight separation and aggressive tone-map clipping near peak white.
Displays that blow out highlight detail will render steps 248 through 255 as a single solid white block.
Mini-LED Blooming & Halo Probe
Draggable high-luminance white object on deep black to inspect FALD (Full Array Local Dimming) halo spread and zone bleed.
Exposes how backlight zones illuminate areas immediately adjacent to bright highlights against black backdrops.
Mini-LED Starfield Zone Stress
200 high-velocity pinpoint stars moving across pitch black space to stress local dimming response time and zone dimming algorithms.
Aggressive dimming algorithms may dim or extinguish tiny stars (star crush), while slow algorithms will show glowing trails.
Subtitle Blooming Simulation
Simulated high-brightness cinematic text on letterboxed pitch black to inspect light bleed into dark movie bars.
A classic pain point for local dimming displays: subtitle highlights bleed light into adjacent top/bottom letterbox bars.
Black Level & Shadow Clipping
Stepped near-black patches (RGB 0 to 32) with numeric labels to calibrate display brightness without crushing dark tones.
Adjust display Brightness control until patch 1 or 2 is barely discernible above absolute black level 0.
White Saturation & Highlight Clipping
Stepped near-white patches (RGB 220 to 255) to calibrate display contrast and prevent highlight compression.
Adjust display Contrast control until patch 253 or 254 remains distinguishable from pure white 255.
Master Display Reference Pattern
Precision multi-zone alignment chart featuring 1px border lines, center crosshair, concentric circles, and geometry squares.
Used to check display overscan, geometric distortion, aspect ratio integrity, and phase alignment.
All presets configure shared, battle-tested Canvas and DOM rendering pipelines without third-party network telemetry. Test patterns maintain mathematical color coordinates, integer DPR snapping, and sub-millisecond requestAnimationFrame synchronization.