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4.2 Inch E-paper Display 1.5s Fast Update 400x300 Morochrome SPI E-ink For Digital Price Tags

GDEY042T81
A versatile 4.2-inch monochrome e-ink display, fast refresh options, 4 grayscale support, and flexible horizontal or vertical orientation—perfect for dynamic and energy-efficient applications!
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$15.84
$17.60
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  • Product:
    EPD
    EPD with adapter board
    EPD with STM32 Demo Kit
    EPD with ESP32 Demo Kit
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  • Description
  • Reviews(3)
   

4.2 Inch E-ink Display High Rate Refresh 400x300 SPI

    
       
   

Say hello to the ultimate display solution for low-power, high-impact devices. The 4.2-inch e-ink display combines cutting-edge bistable technology with outstanding refresh options, making it the perfect companion for solar-powered gadgets, battery-operated tools, and smart innovations like shelf tags, smart home systems, and industrial instruments.

   

 

 


 

 

Special Features

  
 ● Unmatched Clarity: 400x300 high-resolution screen for crisp, clear visuals every time.
 ● Refresh Like a Pro: Full refresh in just 2 seconds, fast refresh at 1.5 seconds, and partial updates in an impressive 0.3 seconds.
 ● Wide Viewing Angle: Over 170 degrees of visibility, ensuring readability from almost any perspective.
 ● Power that Lasts: Bistable technology locks in the display without consuming power—perfect for semi-static content and long-term displays.
 ● Eco-Friendly Performance: Designed for low-power environments, ideal for solar or battery operation.

 



 

 

Technical Details

  


 

 

 

Product Specifications

  
PART NUMBER GDEY042T81 CONNECTOR 24 PIN 0.5mm
SIZE 4.2 inch COLOR Black, White
TYPE Dot Matrix MAX GRAYSCALE 4
IC SSD1683  4 GRAY UPDATE TIME(s) 2
RESOLUTION 400x300 FULL UPDATE(s) 2
PPI 119.05 FAST UPDATE(s) 1.5
OUTLINE SIZE(mm) 91x77x1.2 PARTIAL UPDATE(s) 0.3
ACTIVE SIZE(mm) 84.8x63.6 POWER CONSUMPTION OF THE REFRESH(mW) 18.48
PIXEL PITCH(mm) 0.212x0.212 STANDBY POWER CONSUMPTION (mW) 0.0165
OPERATING TEMP. 0℃~50℃ STANDBY POWER CONSUMPTION (mW) SPI
STORAGE TEMP. -25℃~70℃    
       



 



 

Matching Driver Boards

Ⅰ. DESPI-C02
(E-ink Display adapter Board)

Ⅱ. DESPI-L(C02)
(STM32 Demo Kit)

Ⅲ. DEArduino-L(C02)
(Arduino Demo Kit)

 

Ⅳ. ESP8266-L(C02)
(ESP8266 Demo Kit)

Ⅴ. ESP32-L(C02)
(ESP32 Demo Kit)

Ⅵ. ESP32E6-E01
(24Pin SPI ePaper Display Demo Kit)

 

 


 

 


Files And Download

  
● GDEY042T81 Specification ● GDEY042T81 ESP8266 Sample Code
● SSD1683 Driver IC Datasheet ● GDEY042T81 ESP32 Sample Code
● GDEY042T81 Picture Production and Bitmap Conversion ● The latest Catalog of ePaper display
● GDEY042T81 STM32 Sample Code ● Why can't I download the files(updated)?
   


 

 

 

Product Application

 

Medical Device

Industrial Instrument

Internet of Things (IoT) Device

Electronic Business Cards

 

  

 
 

 

Every Day is Earth Day

  

 
  You don't need to be an environmental scientist to make sustainable choices.
At GooDisplay, we passionately integrate sustainability into the production of e-paper.		    

 

 

 

 

Substitute for Paper Usage

Epaper provide a paper-like touch and reading experience, serving as a sustainable alternative to traditional paper and reducing environmental impact from deforestation and paper manufacturing.

Device Packaging
95% of this device's packaging is crafted from wood fiber-based materials sourced responsibly from managed forests or recycled sources.

Energy Efficiency
Epaper consumes minimal energy compared to conventional displays, reducing electricity bills and easing the demand on power plants, thereby lowering greenhouse gas emissions—a perfect choice for eco-conscious consumers.

 


 

 

We Also Recommend

4.2 inch e-paper display fast update Morochrome SPI e-ink with touch and front light, GDEY042T81-FT02

4.2 inch color e-ink display supports partial update epaper screen , GDEY042Z98

4.2" Multi-Color E Ink Display Black, White, Yellow, and Red with 400x300 Resolution, GDEM042F52

4.26 inch e-paper display fast update & partial refresh Morochrome SPI e-ink GDEQ0426T82

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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