A compact, ultra-low-power 0.97-inch four-color E‑Ink display designed for smart labels, wearables, IoT devices, and battery-powered applications. Featuring fast 12‑second refresh, bistable reflective technology, and a wide 170° viewing angle, this display delivers clear visibility under any lighting condition with near-zero standby power consumption. Key Features Ultra-Low Power, Bistable Technology Consumes power only during refresh Retains content even when powered off Ideal for long-life, battery-powered devices Four-Color Display (Black/White/Red/Yellow) High-contrast reflective panel Suitable for price tags, icons, status indicators, and visual alerts Fast Refresh (12 Seconds) Optimized waveform and fast-refresh film Full update: 16 seconds Fast update: 12 seconds (at 25°C) High Clarity in a Compact Size Resolution: 184 × 88 Pixel density: 210 PPI Excellent readability in bright sunlight Easy Integration (18‑Pin SPI Interface) Standard SPI communication Compatible with Arduino, ESP32, STM32, ESP8266 Adapter board available for rapid prototyping Eye-Friendly Reflective Display No blue light No radiation Comfortable for long-term viewing Specifications Item Details Model GDEM0097F51 Display Size 0.97 inch Resolution 184 × 88 Pixel Density 210.27 PPI Colors Black / White / Red / Yellow Driver IC JD79661 Interface SPI (18‑Pin) Operating Voltage 3.3V Operating Temperature 0°C to 40°C Refresh Time 12s (Fast), 16s (Full) Viewing Angle >170° Surface Hard-coated, anti-glare Power Mode Bistable (no power needed to hold image) Fast-Refresh Technology This display uses an optimized fast-refresh architecture that includes: High-mobility fast-refresh film Temperature-adaptive waveform control Integrated waveform inside the driver IC These improvements ensure stable, high-quality updates across different temperatures. Development Support Arduino sample code ESP32 / ESP8266 sample code STM32 sample code Image2LCD bitmap conversion tool Optional adapter board (DESPI‑C097) for quick connection Recommended Applications Smart shelf labels Wearable devices Smart home panels Industrial meters Access cards and smart badges IoT indicators and dashboards
