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Large E-ink Display 31.5-inch Color e-Paper Display, E Ink Spectra 6 ePaper Screen Billboard

DMPH315E62
Enhance your exhibition with the 31.5-inch color e-paper display, delivering stunning, eco-friendly visuals with wireless, low-power, and customizable design.
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  • Description
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31.5" Full-Color E Ink Sign

A 31.5-inch E Ink display, featuring advanced E Ink Spectra 6 technology, delivers vibrant colors and exceptional image quality for impactful advertising. This E Ink display supports USB or Wi-Fi updates, reducing labor and printing costs. With power consumption under 6W during updates, it boosts operational efficiency and conserves resources. Powered by a built-in lithium battery, this E Ink display eliminates the need for external power sources, providing outstanding mobility.

Core Advantages

Ultra-Low Power & ESG Compliance

Zero power consumption for static content—uses 1/22 the energy of traditional LED displays. Cuts carbon footprints significantly, aligning with EU/US ESG goals.

  • Reduces annual emissions vs. printed billboards by 68%
  • Ideal for 24/7 use in exhibition halls or outdoor billboards
  • No high energy costs during continuous operation
Energy Saving: 95%

Seamless, Flexible Content Updates

Dual-update modes: Wi-Fi for real-time cloud sync and USB plug-and-play for offline use. Eliminates printing/waste and slashes operational time.

  • Update globally in seconds with cloud synchronization
  • Critical for retail branding or trade shows needing quick content tweaks
  • 4G optional for remote locations without Wi-Fi access
Update Time: Under 15s

Paper-Like Visuals & UHD Clarity

3200×1800 resolution with Spectra 6 tech delivers vivid, print-quality colors. Glare-free with 180° wide viewing angle, perfect even in direct sunlight.

  • Eye-friendly design reduces visual fatigue
  • Perfect for luxury store windows, airports, or museums
  • Superior visual fidelity with paper-like reading experience
Resolution: 3200×1800

Technical Specifications

Display Parameters

Part Number DMPH315E61
Screen Size 31.5 inch
Screen Type E Ink Spectra 6
Screen Resolution 2560 × 1440
Pixel Density 0.272 × 0.272 mm
 Active Area 696.32 × 391.68 mm
 Aspect ratio 16:9 
Image Refresh Time ≤15s

Mainboard Parameters

MCU ESP32-S3-WROOM-1U
4G (Reserved by design)
USB2.0 1 way
WiFi 2.4GHZ 
BT Bluetooth5.0
TF card  RJ45(1 way)
TF card 1way (Optional)

Software Parameters

 Image update method Update images   via USB drive or Android APP (DEMO)
On-Screen Display Languages English, Simplified Chinese (Default English)

Power Consumption Parameters

Power Consumption  5.5W max with refreshing 0.01W in Standby mode

Environmental Conditions

Operating Temperature 0~50°C
Storage Temperature   -25~60°C
Relative humidity 30%~90% 
Altitude 0 ~ 3000 m

Power Parameters

Power Supply Built-in lithium battery，Capacity: 50.4W/H, 16.8V/3500MAH
Mains power Type-c interface (supports PD protocol)

Specifications

Set dimensions  747 mm x 442 mm x 30.5 mm (Sheet Metal) / 747 mm x 442 mm x 34.5 mm (Water Transfer Printing) 
Wall Mount 100x100mm,VESA mount  Use M4 set screws 
Product weight 9 kg (Sheet Metal) / 9.7 kg (Water Transfer Printing)

Accessories

Accessories Included Accessories: Adapter with Type-c output PD protocol


Built-in 25.3-inch Display

GDEP315C01

Transform your displays with the vibrant and versatile 31.5-inch E Ink Spectra 6 screen. Featuring six stunning colors—this display brings your ideas to life with unparalleled clarity and precision.
 

Resolution: 2560x1440
PPI: 94
Interface: QSPI

View Details

Android WiFi Control App

WiFi Control App

Wireless Management Made Simple

Our intuitive Android app allows you to configure and control your E-Ink displays seamlessly via WiFi connection. Update content, manage multiple devices, and monitor status from anywhere.
 

Download Control App

Note: WiFi functionality requires USB cable power supply. For optimal performance, ensure your device is connected to a stable power source during updates.

Files & Download

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Sustainable Technology

Paperless Future

Each display saves ≈3,000 sheets annually. Join 15,000+ businesses reducing paper waste with ePaper solutions.

Sustainable Packaging

95% recycled materials with FSC-certified packaging. 100% plastic-free protective materials.

Energy Leadership

90% less energy than LCDs. Annual CO₂ reduction equivalent to 50 mature trees.

Why GooDisplay E-Paper Refreshes Faster

 

Optimized Fast-Refresh FPL

We rigorously select fast-refresh FPL films at the raw material level, laying a solid hardware foundation for high-speed performance.

 

Smart Temp-Controlled Drive

 Our engineers optimize waveform files for different temperature ranges, ensuring excellent display quality even during rapid refresh cycles.

 
 
 

Chip-Level Integrated Solution

Optimized waveforms are built into the display driver chip—activate fast refresh mode with a simple code call!

Display Type Refresh Capability Available Sizes
Black & White (B/W) Displays Supports fast refresh, partial refresh, and 4-level grayscale 0.97" to 10.3"
Black, White & Red (BWR) Displays Supports fast refresh and partial B/W refresh 2.13" to 11.6"
Black, White, Red & Yellow (BWRY) Displays Supports fast refresh with multi-color layered updating 0.97" to 11.6"



 

About Us


Thank you for your interest in our product. We could provide front light, touch screen, and other accessories for you. For more information, please refer to the relevant manual available in our Library or visit our official website at www.good-display.com.
If you need any further assistance or have any other questions, please feel free to contact us. We sincerely invite you to send your inquiries to our email at buyepaper@good-display.com.

Certifications

ISO 14001 Environmental Management
RoHS Compliant | Energy Star Certified

Contact Our Engineers

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