7.3-Inch Color E-Ink Display Module (SPI Interface)

The 7.3-inch Color E-Ink Display Module is a large-format electronic paper solution designed for energy-efficient and high-visibility applications. Utilizing advanced electrophoretic display technology, this module provides a paper-like viewing experience with rich color presentation and sharp contrast—without requiring a backlight.

With a standard SPI communication interface, the module ensures stable data transmission and easy integration with embedded systems and IoT platforms.

Product Overview

This 7.3-inch color e-paper display offers an expanded viewing area for presenting graphics, pricing information, schedules, or system data. Unlike traditional LCD or TFT displays, E-Ink technology reflects ambient light rather than emitting light, ensuring comfortable viewing and excellent readability even under direct sunlight.

The display consumes power only during image updates. Once refreshed, the image remains visible without continuous power supply, making it ideal for battery-powered and low-energy applications.

Key Specifications

• Display Size: 7.3 inch

• Display Type: Color Electrophoretic Display

• Display Colors: Multi-color (model dependent)

• Interface: SPI

• Operating Voltage: 3.3V

• Viewing Angle: Nearly 180°

• Refresh Mode: Full Refresh & Partial Refresh

• Power Consumption: Ultra-low (power required only during refresh)

• Image Retention: Maintains image without power

Core Advantages

Large Display Area

The 7.3-inch format provides sufficient space for complex layouts, making it suitable for retail, office, and industrial applications.

Color Enhancement

Multi-color capability improves visual hierarchy and information clarity, helping users quickly identify key content.

Ultra-Low Power Consumption

Energy is used only during refresh cycles, significantly extending battery life compared to conventional display technologies.

Sunlight Readability

Clear visibility in bright indoor or outdoor environments without glare.

Wide Viewing Angle

Nearly 180° viewing angle ensures consistent readability from different positions.

Stable SPI Communication

The SPI interface ensures reliable and efficient communication with mainstream microcontrollers such as STM32, ESP32, and other embedded platforms.

Typical Applications

• Large-format Electronic Shelf Labels (ESL)

• Retail Digital Price Displays

• Smart Office Nameplates

• Meeting Room Scheduling Panels

• Warehouse & Logistics Labels

• Smart Information Boards

• IoT Monitoring Displays

The 7.3-inch Color E-Ink Display Module (SPI Interface) is an ideal solution for applications requiring large display space, color visualization, and ultra-low power consumption in modern smart systems.