4.5 Inch Color E-Paper Display 480×800 SPI EPD Module
4.5 Inch Color E-Paper Display
Reflective low-power E-Paper solution for compact embedded display integration
This 4.5 inch color E-Paper display module is designed for embedded products that require low power consumption, paper-like readability, and stable image retention. With a resolution of 480 × 800 pixels and SPI interface support, it is suitable for compact systems that need clear static content and efficient energy use.
Using active matrix electrophoretic display technology in pure reflective and bi-stable mode, the module delivers clear viewing under ambient light without continuous power draw for image holding. It is suitable for ID devices, framed display products, portable information terminals, and a wide range of custom embedded applications.
Quick Highlights
- 4.5 inch active matrix color E-Paper display module
- 480 × 800 reflective display for clear static content
- Supports both 4-wire SPI and 3-wire SPI
- Ultra-low power consumption for battery-powered designs
- Bi-stable display retains image without continuous power
- Suitable for ID cards, framed displays, and embedded products
Key Features
480×800 Resolution
Provides clear rendering for text, icons, status information, and static graphics in compact embedded display products.
Ultra-Low Power
Designed for energy-efficient products with low refresh power use and stable image retention between updates.
Reflective Viewing
Pure reflective display mode offers paper-like readability under ambient light without requiring a backlight.
Flexible SPI Interface
Supports both 4-wire SPI and 3-wire SPI for easier MCU communication and embedded product integration.
Integrated Control Functions
Includes on-chip display RAM, waveform storage, oscillator, DC-DC, LUT, and VCOM-related control functions.
Wide Viewing Angle
Delivers stable visual performance from different viewing directions for industrial, retail, and identification use.
Product Overview
This 4.5 inch color electrophoretic display module is developed for embedded products that require low power consumption, stable static image display, and good readability in ambient light. With a 480 × 800 resolution and active matrix design, it is suitable for showing text, icons, interface elements, identification content, and fixed graphical information.
Because the module uses bi-stable E-Paper technology, the image remains visible without continuous power after refreshing. Compared with conventional LCD or OLED solutions, this helps reduce battery load in devices that display information for long periods without frequent updates.
Its reflective structure, compact size, and SPI communication support make it suitable for ID products, framed photo devices, smart information terminals, industrial display units, and custom OEM or ODM embedded projects.
Typical Applications
Mechanical Specifications
| Display Type | Active Matrix Electrophoretic Display (AM EPD) |
|---|---|
| Screen Size | 4.5 inch |
| Resolution | 480(H) × 800(V) |
| Active Area | 57.77(H) × 96.28(V) mm |
| Pixel Configuration | Square |
| Outline Dimension | 62.37(H) × 105.33(V) × 0.87(D) mm |
| Mechanical Drawing | Front view, right view, and back view available in datasheet |
| Module Structure | Compact SPI EPD module |
| Product Number | BR0450NW02-A1 |
| Application Style | Embedded reflective display module |
Electrical Specifications
| Interface | 4-wire SPI / 3-wire SPI |
|---|---|
| Logic Supply Voltage | 2.8V to 3.6V |
| Typical Logic Supply | 3.0V |
| High Level Input Voltage | 0.8 VDD |
| Low Level Input Voltage | 0.2 VDD |
| OTP Program Voltage | 7.5V |
| Typical Panel Power | 60 mW |
| Typical Operating Current | 20 to 200 mA |
| Sleep Mode Current | 50 μA |
| Deep Sleep Mode Current | 1 μA |
| Deep Sleep Power | 0.3 μW |
| VCOM Output Voltage | 1.5V typical |
| Operating Temperature | 0°C to 50°C |
| Storage Temperature | -25°C to 60°C |
| Indoor Illuminance | Up to 2000 lux |
| Storage Humidity | 30%RH to 60%RH |
Optical Performance
| White Reflectance | Above 30% |
|---|---|
| Contrast Ratio | Above 8:1 |
| Viewing Angle | Ultra wide |
| Display Mode | Pure reflective |
| Display Characteristic | Bi-stable |
| Color States | Black, White, Yellow, Red, Blue, Green |
| Optical Measurement | Measured under 45° illumination with perpendicular detection unless otherwise specified |
| Luminance Meter | Eye-One Pro Spectrophotometer |
Interface & Integration
This 4.5 inch color E-Paper module supports both 4-wire SPI and 3-wire SPI communication, making it suitable for MCU-side development, embedded evaluation, and compact product integration.
- 4-wire SPI: uses SCLK, SDIN, CSB, D/C, and RSTN for command and data communication.
- 3-wire SPI: D/C pin is not used, and 9-bit serial communication is supported.
- I2C support: includes I2C signal master interface for reading an external temperature sensor.
- On-chip functions: integrates gate buffer, source buffer, timing control logic, oscillator, DC-DC, SRAM, LUT, and VCOM functions.
- Embedded use: suitable for low-power ID devices, framed displays, industrial products, and custom embedded systems.
Power Consumption Advantage
This color E-Paper display module is designed for applications where standby efficiency, low refresh frequency, and stable image retention are important. Its bi-stable display characteristic allows content to remain visible after refresh without the continuous power draw required by conventional emissive displays.
With low power operation, reflective readability, and integrated controller functions, this module is suitable for battery-powered embedded products, portable terminals, smart identification devices, and long-life information display systems.
Reliability Test
- High temperature operation: +40°C, RH 30%, 168 hrs
- Low temperature operation: 0°C, 168 hrs
- High temperature storage: +50°C, RH 35%, 168 hrs
- Low temperature storage: -25°C, 168 hrs
- High temperature / high humidity operation: +40°C, RH 90%, 168 hrs
- High temperature / high humidity storage: +50°C, RH 90%, 168 hrs
- Thermal shock: -25°C to +60°C, 100 cycles
- Package vibration: 1.04G, 20~200Hz, X/Y/Z directions, 30 hours each direction
- Package drop impact: 100 cm drop on concrete surface
- Electrostatic effect test: machine model ±200V, 0Ω, 200pF
Handling & Storage
- Handle carefully to avoid dropping, bending, twisting, cracking, or mechanical stress on the panel.
- Do not apply pressure to the EPD surface.
- Do not connect or disconnect the interface connector while the panel is operating.
- Avoid harmful gases such as acid and alkali gases that may corrode electronic components.
- Do not stack the EPD panels or modules.
- Do not disassemble or reassemble the EPD panel.
- Store in the original packaging to avoid scratches and preserve original performance.
- Use a soft, dry cloth without chemicals for cleaning.
- Avoid moisture penetration, condensation, frost, and dew on the panel surface.
- Avoid long exposure to high temperature, high humidity, sunlight, or fluorescent light.
- Recommended storage environment: 15°C to 35°C, 30%RH to 60%RH, without condensation or direct sunlight.
FAQ
1. What is this 4.5 inch color E-Paper display module used for?
2. What is the resolution of this E-Paper display?
3. What interface does this module support?
4. Does this E-Paper module support low-power battery designs?
5. Does this display require a backlight?
6. What controller and integration functions are included?
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E-Paper Display Applications
1. Retail Shelf Labels & Smart Price Tags
E-paper displays are widely used in retail shelf labels and smart price tags for clear pricing, SKU information, and promotional updates. Their low power consumption and long display retention make them ideal for large-scale retail environments.
2. Warehouse Labels & Logistics Tags
E-paper displays are well suited for warehouse labels, logistics tags, storage location labels, and reusable identification systems. They clearly show barcodes, item codes, and shipping information while reducing paper replacement.
3. Medical & Healthcare Devices
In medical and healthcare applications, e-paper displays are used for patient labels, bedside information, portable medical devices, and medication identification. They provide clear static visibility with low power consumption.
4. Industrial Control & Instrument Displays
E-paper displays are suitable for industrial control panels, monitoring terminals, and embedded instrument interfaces. They can present status information, operating parameters, and equipment identification with excellent readability.
5. Smart Home & IoT Devices
E-paper displays are increasingly used in smart home and IoT devices such as thermostats, environmental monitors, and control panels. They support always-visible information display with low energy use and a clean modern appearance.
6. Office Signage & Meeting Room Displays
For office and commercial spaces, e-paper displays are ideal for meeting room signs, desk nameplates, door signage, and workspace identification. They offer flexible content updates and a professional presentation.
7. Public Information Displays
E-paper displays are suitable for public information systems such as timetable boards, queue displays, transport labels, and directional signage. Their high readability and low power demand support long-term information visibility.
8. Portable Handheld Devices
Portable handheld devices benefit from e-paper displays for low-power information presentation in terminals, field tools, compact readers, and mobile embedded systems. They help extend battery life while keeping essential data visible.
9. Smart Identification & Reusable Badges
E-paper displays are widely used in smart badges, electronic name tags, event passes, and staff identification systems. They allow reusable and flexible identity display for offices, events, schools, and industrial sites.
10. Custom Embedded Display Projects
E-paper displays are also ideal for OEM and ODM embedded projects requiring low power consumption, compact integration, and stable image retention. They can be adapted for a wide range of custom electronic products.
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