RJY Display proudly presents a 4.0-inch E-Paper Display designed for ultra-low power applications that require exceptional sunlight readability and wide viewing angles. Featuring a four-color display capability and anti-glare surface, this module is ideal for applications such as smart labels, retail price tags, industrial instruments, IoT devices, and e-shelf signage.
| Item | Specification | Unit | Note |
|---|---|---|---|
| Display Size | 4.0 | inch | Approximate diagonal |
| Outline Dimension | 80 (H) × 80 (V) × 0.9 (T) | mm | Compact square design |
| Active Area | 75.504 (H) × 69.888 (V) | mm | |
| Pixel Resolution | 832 × 768 | pixels | High-density pixel matrix |
| Pixel Pitch | 90.75 × 91 | μm | |
| Pixel Arrangement | Vertical stripe | — | |
| Color Display | Black / White / Red / Yellow | — | 4-color e-paper |
| Surface Treatment | Anti-Glare, Hardness 3H | — | Durable and glare-resistant |
| Driver Element | a-Si TFT | — | Active matrix |
| COG Driver | OTP layout (BOE compatible) | — | |
| EPD Waveform | Provided and downloadable via BOE tools | — |
Key Features
Display Size: 4.05 inches (diagonal)
Resolution: 832 × 768 pixels
Pixel Pitch: 90.75 × 91 μm
Active Area: 75.504 × 69.888 mm
Outline Dimension: 80 × 80 × 0.9 mm
Display Colors: Black / White / Red / Yellow
Surface Treatment: Anti-Glare, 3H Hardness
Pixel Arrangement: Vertical stripe
Driver Element: a-Si TFT Active Matrix
COG Driver IC: OTP layout, compatible with BOE interface
EPD Waveform: Supplied and downloadable via BOE platform
Product Advantages
✅ Ultra-Low Power Consumption: Ideal for battery-powered applications that require long standby times.
✅ Four-Color Display: Supports multi-color static content for enhanced user engagement and information categorization.
✅ Wide Viewing Angle & Paper-Like Readability: Perfect for use under direct sunlight, with minimal eye strain.
✅ Durable Surface: 3H anti-glare coating resists scratches and reflections.
✅ Slim Profile: Only 0.9 mm thick, making it suitable for compact embedded devices.
Applications
Smart Labels & ESL (Electronic Shelf Labels)
Industrial Control Panels
E-Price Tags and Signage
Smart Home Interfaces
Healthcare Devices and Wearable Equipment
Why Choose This E-Paper Display?
With its square shape and high pixel density, the 4.05-inch e-paper module offers superior legibility and form factor flexibility. The support for red and yellow accents makes it especially useful for highlighting alerts, pricing changes, or visual cues in critical environments.
Need a datasheet, integration guide, or customization support?
Contact our team to explore how this module can fit into your next innovative project.
