Black, white, red and yellow with 2-bit output per pixel. Highly reflective, ultra-wide viewing angle and bi-stable image retention — ideal for retail electronic shelf labels and multi-color signage.
BWRY 4 Colors 200×152 Pixels 133 PPI
All-in-One SSD2681 Driver
Gate driver, source driver, timing controller, oscillator, DC-DC, SRAM, LUT and VCOM integrated in a single chip. On-chip OTP waveform and built-in temperature sensor cut external components and speed up design-in.
SSD2681 Driver IC OTP Waveform SPI 4-wire/3-wire
Microwatt-Class Power
5.4mW typical operating power, 0.0012mW deep sleep and 0.4µA sleep current — years of battery life on a single coin cell. The bi-stable image stays readable with power removed.
5.4 mW typ. 0.0012 mW deep sleep 0.4 µA sleep
Technical Specifications
Part Number
GDEM0189F66
Size
1.89 inch
Type
Dot Matrix, 4-Color EPD
IC
SSD2681
Resolution
200×152
PPI
133
Color
Black, White, Red, Yellow
Interface
SPI (4-wire / 3-wire)
Connector
24-pin FPC, pitch 0.5 mm
Outline Size
44.83 × 38.80 × 1.00 mm
Active Size
38.20 × 29.03 mm
Pixel Pitch
0.191 × 0.191 mm
Operating Temp.
0℃ ~ 40℃
Storage Temp.
-25℃ ~ +70℃
Fast Refresh Time
12 s
Full Refresh Time
21 s
Typical Power
5.4 mW (VDD=3.0V)
Deep Sleep Power
0.0012 mW
Sleep Current
0.4 µA
VCOM (Typ.)
-3.0 V
Weight
3.16 ± 0.5 g
Packaging
500 units/carton
Drawing Details
Matching Driver Boards
DESPI-C02
Pure hardware interface adapter, no MCU. SPI to 24-pin EPD conversion.
Black / white / red / yellow price, promotion and inventory tags with high reflectance. 12s fast refresh and 0.0012mW deep sleep keep retail shelves accurate for years on one battery.
Smart Signage
Four-color layered update delivers eye-catching retail signage, meeting-room nameplates and shelf-edge promotion boards without backlight or cabling.
Industrial IoT
SPI-ready all-in-one SSD2681 driver with on-chip OTP waveform, built-in temperature sensor and external I2C support simplify integration into industrial control panels and HMIs.
Work Card & Info Display
Bi-stable 4-color image with no power needed to stay readable — perfect for electronic work cards, asset tags, patient boards and portable status panels.
Each GDEM0189F66 label can replace thousands of paper price tags annually. Join 15,000+ businesses reducing paper waste with bi-stable 4-color e-paper.
Sustainable Packaging
95% recycled materials with FSC-certified packaging. 100% plastic-free protective materials for EU and North American compliance. RoHS certified.
Energy Leadership
5.4mW operating and 0.0012mW deep sleep slash energy use. A single coin cell can power years of 4-color updates in wireless ESL deployments.
Why GooDisplay 4-Color E-Paper is Faster
Optimized Fast-Refresh FPL
Rigorous material selection and an optimized fast-refresh FPL film deliver high-speed 4-color performance without optical trade-offs.
Smart Temp-Controlled Drive
Built-in temperature sensor plus custom waveform files per temperature range, with external LM75 support, ensure excellent image quality in any environment.
Chip-Level Integration
All-in-one SSD2681 driver IC with integrated DC-DC, SRAM, LUT and VCOM plus on-chip OTP waveform — plug and play with simple SPI command sequences.
Feature
Conventional 4-Color EPD
GDEM0189F66
Image Update Time
~25 s
12 s (fast) / 21 s (full)
Active Power (VDD=3.0V)
~7.0 mW
5.4 mW
Deep Sleep Power
~0.005 mW
0.0012 mW
Temperature Compensation
External sensor required
On-chip + external I2C
Driver Integration
External components required
All-in-one IC (DC-DC, SRAM, LUT, VCOM)
Waveform Storage
MCU must supply LUT
On-chip OTP or MCU writable
About Us
Thank you for your interest in GDEM0189F66. We can provide front light, touch screen and other accessories. For more information, please visit www.good-display.com.
