The 4.2" E-paper Display ensures a high-quality, low-power solution with 400x300 resolution, black and white display, and fast refresh rate for e-readers, smart wearables, and other portable devices.

Features

• Exceptional Readability: The display's reflective properties ensure effortless legibility of text and images in different lighting environments.
• Ultra-Low Power Usage: The E-Paper only consumes power during updates, leading to prolonged battery life and efficient energy use.
• Wide Viewing Angles: Greater than 170 degrees, unaffected by light direction.
• Flexibility and Portability: Allowing bending and curling for versatile applications.
• Eye-Friendly and Heat-free: Eliminate glare, providing a comfortable viewing experience while remaining cool without generating heat

Description

This 4.2" E-Paper Display features a 400x300 pixel active area and grants a full 1-bit white/black viewing experience with high contrast, reflectance, and wide viewing angle. Its ultra-low power consumption, bi-stable operation within commercial temperature range, and landscape/portrait modes make it efficient and versatile. The COG package IC thickness is 280um and includes an on-chip display RAM, waveform stored in On-chip OTP, serial peripheral interface, on-chip oscillator, and an on-chip booster and regulator for VCOM, Gate, and source driving voltage.

What is an E-Paper?

E-Paper, short for Electronic Paper, is a type of display technology that aims to mimic the appearance of traditional paper and ink. It's designed to provide high contrast and readability in various lighting conditions, including direct sunlight, without the need for a backlight. E-Paper displays use tiny microcapsules containing charged particles suspended in a liquid to produce images. When an electric field is applied, the particles move to the top or bottom of the microcapsules, resulting in different shades or colors being visible to the viewer. E-Paper is often used in e-readers, electronic shelf labels, smartwatches, and other devices where energy efficiency and readability are essential.

Advantages Over Traditional Displays

E-Paper displays offer advantages over traditional displays, including better readability like paper, visibility in sunlight, low energy consumption, thin design, wide viewing angles, and longer battery life. They are ideal for portable devices and environments where glare and power efficiency matter.

Applications

• Reading equipment
• Mobile device
• Electronic tags and price tags
• Smart Wearables
• Electronic Shelf Labels
• Smart Card

Specification

Hardware Overview