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4.2-Inch E-Paper Touchscreen Display Monochrome SPI E-Ink Front Light for Optimal Reading Experience, GDEY042T81-FT02

Name: 4.2-Inch E-Paper Touchscreen Display Monochrome SPI E-Ink Front Light for Optimal Reading Experience, GDEY042T81-FT02
Brand: GOOD DISPLAY
Price: 22.72 USD
Availability: InStock
Rating: 5 (1 reviews)

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This 4.2 inch e-paper display GDEY042T81-FT02 is perfect for low power touchble devices, especially in dark environment.

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Description

4.2" Front-Light E Ink Touchscreen Display

Ultra-Thin Integrated Solution – Seamlessly combines capacitive touch, uniform front lighting, and E Ink display in only 2.25mm thickness.

Exceptional Display Experience – Maintains ultra-low power consumption with responsive touch control and soft, even illumination for clear visibility in all lighting conditions.

Enhanced Stability – Optimized based on the proven GDEY042T81 standard model for reliable integration.

Core Advantages

Integrated Design

Three-in-One Ultra-Thin Module – Integrates E Ink display, capacitive touch, and front lighting with 2.25mm thickness, reducing space by 60%.

Simplifies embedded design and reduces system complexity
Reduces the number of connectors, improving reliability
Integrated testing ensures perfect synergy

Intelligent Front Light System

Efficient and Uniform Illumination – Uses 7 LEDs with ≤15mA operating current, 90% less power than LCD backlights.

Adjustable brightness to adapt to various ambient light conditions
Low-power design extends working life
Flicker-free, ensuring comfortable long-duration reading

High-Efficiency Touch Response

Fast Refresh Response – 0.3s partial refresh with 55μA touch standby current for smooth interaction.

FT6336U touch controller supporting multi-touch
Industry-leading refresh power consumption of 18.48mW
Exceptional power saving with standby consumption of 0.003mW

Technical Specifications

PART NUMBER GDEY042T81-FT02

TYPE Dot Matrix

SIZE 4.2 inch

IC SSD1683

RESOLUTION 400x300

OUTLINE SIZE(mm) 91.00x77.00x2.25

ACTIVE SIZE(mm) 84.80x63.60

PIXEL PITCH(mm) 0.212x0.212

OPERATING TEMP 0℃~50℃

STORAGE TEMP -25℃~70℃

CONNECTOR 24-pin FPC, pitch: 0.5 mm

MAX GRAYSCALE 4

COLOR Black,White

INTERFACE SPI

FULL REFRESH(s) 2

FAST REFRESH(s) 1.5

PARTIAL REFRESH TIME(s) 0.3

POWER CONSUMPTION OF THE REFRESH(mW) 18.48

STANDBY POWER CONSUMPTION (mW) 0.003

TOUCHSCREEN SPECIFICATIONS

TOUCHSCREEN CONNECTOR 6 Pin FPC

TOUCHSCREEN IC FT6336U

TOUCHSCREEN VOLTAGE 2.8-3.6 V

TOUCHSCREEN OPERATING CURRENT 4.32mA

TOUCHSCREEN STANDBY CURRENT 55uA

FRONT-LIT SPECIFICATIONS

FRONT-LIT CONNECTOR 6 pin FPC

FRONT-LIT NUMBER OF LED 7

FRONT-LIT CIRCUIT MODE Series connection

FRONT-LIT OPERATING VOLTAGE ≤21V

FRONT-LIT OPERATING CURRENT ≤15mA

Drawing Details

Custom Front Light & Touch Module Solution

End-to-End Customization

Full-process technical support from requirements analysis to batch production.

Flexible Technical Options

Support for multiple touch technologies, lighting modes, and interface protocols.

Fast Delivery Cycle

Standard custom projects completed in 8-12 weeks with expedited options available.

Technical Specifications Customization

Touch Technology：Capacitive/Infrared/EMR, Multi-touch
Front Light Modes：Cool/Warm light switching, adjustable brightness, zone control
Interface Protocols：SPI/I2C/UART, custom pin definitions
Protection Options：Anti-glare/AF coating/Water-resistant coating
FPC Customization：Flexible length, connector types, routing optimization
Mechanical Integration：OCA bonding, glass thickness, bezel design

Application Areas

Electronic Shelf Labels Smart Office Tablets Medical Devices Industrial HMI Smart Home Control Retail POS Systems

Request Custom Solution

Free technical consultation and sample support available - Over 1,000 companies have chosen our customization services

Driver Solutions

ESP32-FTS02 Adapter Board

A high-performance adapter board designed for touch front-light screens, integrating power management, level conversion, and signal conditioning to offer a plug-and-play solution.

Type-C Interface Touch Driver Front Light Control

View Details

ESP32-L(FTS02) Development Kit

A complete development platform integrating the ESP32 main controller, Wi-Fi/Bluetooth, and providing rich example codes and graphics libraries to accelerate prototype development.

ESP32 Main Controller Wi-Fi/Bluetooth USB-C Debugging

View Details

ESP32E6-E01 Driver Board

A multi-protocol communication board supporting Bluetooth, Wi-Fi, USB, and SD card, suitable for IoT applications and providing a complete wireless display solution.

Bluetooth 5.0 Wi-Fi 6 USB 2.0 Cloud Connectivity

View Details

Connection Guide

Connection Diagram

Important Safety Notes

• Always use ESD protection when handling the display module
• Keep the display in dry conditions to avoid moisture damage
• Front light operating voltage must be 2.8-3.3V (±5%)
• Do not apply excessive pressure to the touch surface

Files & Download

[PDF] GDEY042T81-FT02_Specification

[PDF] IC Driver FT6336U Datasheet

[PDF] GDEY42T81-FT02-Drawing

[RAR] GDEY42T81-FT02 STM32 Sample Code

[RAR] GDEY42T81-FT02 ESP32 Sample Code

[PDF] Why can't I download the files?

[PDF] The Latest Catalog

We Also Recommend

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.

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

CUSTOMER REVIEWS

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4.2-Inch E-Paper Touchscreen Display Monochrome SPI E-Ink Front Light for Optimal Reading Experience, GDEY042T81-FT02

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4.2" Front-Light E Ink Touchscreen Display