LCD Test Patterns - Display Test Image Generator

Resolution

Preset

Width

Height

Cut Panel Mode

Visible Height

Total Height

Mask Mode HOT

Format: BMP (24-bit) PNG JPEG

Test Patterns

0 selected

Gradient Settings

Start Color

End Color

Direction

Flicker / Pattern Colors

Color A

Color B

Block Size

Tip: use Copy (clipboard, no Windows warning) or Save As... (native dialog) buttons.

DPI Timing Parameters

Horizontal

HSW

HBP

HACT

HFP

Vertical

VSW

VBP

VACT

VFP

Target FPS

Pixel Clock (KHz)

Signal Polarity

HSYNC

VSYNC

CLK

DSI Settings

Enable DSI

Lanes

Color Format (bits)

DSI Bitrate (Mbps)

Configuration Script

Click "Generate Config Script" to produce timing configuration.

Input Image

EPD Settings

Width

Height

Color Palette

Dither

LUT Correction

Palette:

Result

Original

EPD Output

About LCD Test Patterns

LCD Test Patterns is a web-based tool for generating LCD display test images. It is a port of the open-source C# Windows Forms application TestPictrueGenerator.

Features:

Standard test patterns: pure colors, gray gradients, color bars
LCD characterization: crosstalk, flicker, pixel response
Scale/ruler patterns for pixel mapping
AllRGB images with unique colors per pixel
DPI timing calculator for display driver configuration
DSI bitrate calculation
Cut panel mode for partial-screen displays

Built for LCD debug engineers, display driver developers, and hardware validation teams.

Original C# project by Martlet Zhu • Web port by Martlet-Tech • View on GitHub