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3.5" Four Color E Ink Display, 384×184, Fast 12s Refresh – GDEM035F86
3.5" 4-Color
E-Paper Display Module
GDEM035F86 — 3.5" BWRY ePaper display with 384×184 resolution, 122 DPI, and SSD2685A driver. Ultra-slim 1.0mm design with SPI interface, wide viewing angle, and bistable low-power operation — perfect for ESL, industrial IoT, and portable smart devices.
3.5" 4-Color ePaper · 384×184 · BWRY
Performance & Architecture Advantages
True 4-Color Display
High-contrast, highly reflective black/white/red/yellow — ideal for retail tags.
Ultra-Low Power
10.5mW typical, 0.003mW deep sleep — years of battery-powered operation.
On-Chip Power Management
Internal boost and regulation deliver VCOM, VGH, VSH, and VSL, simplifying power design.
OTP Pre-Stored Waveform
Waveform pre-stored in OTP for guaranteed hardware stability and reliability.
Technical Specifications
Three Core Technology Breakthroughs
Fully Integrated Single-Chip Solution
Built-in DC-DC, SRAM, timing controller, and temperature sensor — dramatically simplifying external circuitry and improving reliability.
Intelligent Temperature Compensation
On-chip temperature sensor or external I2C sensor adaptively adjusts waveform parameters to ensure image quality across the full temperature range (0~40°C).
OTP Pre-Stored & MCU Control
Waveform is pre-programmed into OTP for mass production convenience, and also supports MCU real-time definition for prototyping and custom applications.
Performance Benchmark
| Feature | Conventional 4-Color EPD | GDEM035F86 |
|---|---|---|
| Image Update Time | ~25 sec | ~20 sec |
| Active Power (VDD=3.0V) | ~16.6 mW | 10.5 mW |
| Deep Sleep Power | ~0.005 mW | 0.003 mW |
| Temperature Compensation | External sensor required | On-chip + external I2C |
Why Good Display E-Paper is Faster
Three key innovations leading the industry
Optimized Fast-Refresh FPL
Rigorous material selection for high-speed performance without optical trade-offs.
Smart Temp-Controlled Drive
Custom waveform files per temperature range ensure excellent image quality across environments.
Chip-Level Integration
Plug and play — fast refresh mode via simple command sequences.
E-Paper Display Types
| Display Type | Refresh Capability | Available Sizes |
|---|---|---|
| Black & White (B/W) | Fast refresh, partial refresh, 4-level grayscale | 0.97" ~ 10.2" |
| Black, White, Red & Yellow (BWRY) | Fast refresh with multi-color layered update | 0.97" ~ 11.6" |
Product Applications
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| Shelf Label | Smart Signage | Industrial Applications |
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3.5-inch Adapter Board
Development Platforms Available
We offer adapter boards that make connecting our ePaper displays simple and fast.


ESP32
ESP32-based driver board with wireless connectivity for IoT applications.
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ESP8266
ESP8266-based driver board for cost-effective WiFi connectivity.
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Arduino UNO
Arduino-compatible driver board with extensive library support.
View DetailsLeave us a message
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