RJY-WC-46265
4.05-Inch E-Paper Display Module – a-Si TFT Display
- Size
- 4 inch
- Resolution
- 832 × 768
Display & embedded solutions
RJY-WC-42714Engineering review
4.05-Inch E-Paper Display Module – a-Si TFT Display
Display Type: a-Si TFT Active Matrix E-Paper DisplayColors: Black / White / Red / YellowSurface Treatment: Anti-Glare, Hardness 3H
- Size
- 4 inch
- Resolution
- 832 × 768
Engineering verification
Manufacturer model/SKU was not supplied; RJY-WC-42714 is an internal catalog reference.
Designed for integration
Product overview.
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.
Key features
- Display Type: a-Si TFT Active Matrix E-Paper Display Colors: Black / White / Red / Yellow Surface Treatment: Anti-Glare, Hardness 3H
Technical reference
Specifications.
Values are model-specific. Review document revisions and any verification notes before integration.
Display
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Display Type | a-Si TFT Active Matrix E-Paper Display Colors: Black / White / Red / Yellow Surface Treatment: Anti-Glare, Hardness 3H | — | — |
| Display Size | 4.0 | inch | Approximate diagonal |
| Pixel Resolution | 832 × 768 | pixels | High-density pixel matrix |
| Pixel Pitch | 90.75 × 91 | μm | — |
| Pixel Arrangement | Vertical stripe | — | — |
| Surface Treatment | Anti-Glare, Hardness 3H | — | Durable and glare-resistant |
| EPD Waveform | Provided and downloadable via BOE tools | — | — |
Optical
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Color Display | Black / White / Red / Yellow | — | 4-color e-paper |
Mechanical
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Outline Dimension | 80 (H) × 80 (V) × 0.9 (T) | mm | Compact square design |
| Active Area | 75.504 (H) × 69.888 (V) | mm | — |
Interface & pins
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Driver Element | a-Si TFT | — | Active matrix |
| COG Driver | OTP layout (BOE compatible) | — | — |
No matching parameters.
Drawings & technical resources
Product documents.
Contact our team for the current datasheet or mechanical drawing.
Before you integrate
Product questions.
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