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With Touch & Front-light

With Touch+Front-light

4.2" E-Paper Display with Touch & Front Light Module | GDEY042T81-FT02

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4.2" E-Paper Display with Touch & Front Light Module | GDEY042T81-FT02

The GDEY042T81-FT02 is a 400x300 pixel ePaper (eInk / EPD) display with a front light and touchscreen. The larger screen offers more possibilities, providing extra space for displaying information. It remains clear and easy to read even in bright sunlight.

Number of views:

1000

Product serial number

6504200

GooDisplay Front-Lit Touch E-Ink Display

This highly integrated solution for the 4.2" E Ink display combines a capacitive touch layer with a uniform front light. It preserves ultra-low power consumption and a paper-like reading experience while providing smooth, responsive touch and soft, even illumination.

4.2" E Ink Display with Front Light & Touch

Based on the standard 4.2" GDEY042T81 model, it has been optimized for superior performance under various lighting conditions.

Display Size: 4.2 inches
Resolution: 400 × 300 pixels
Refresh Rate: Fast refresh: 1.5 s | Partial refresh: 0.3 s
Power Consumption: 18.48 mW (during refresh)
Features: Touchscreen, front light

Key Features

Ultra-Thin Design

Sleek, all-in-one form facto

Smart Power Management

Optimized touch and front-light efficiency.

Lossless Front Light

Paper-like clarity and transparency.

Adaptive Touch

Smooth and precise touch control.

Flexible Customization

Ideal for embedding and various applications.

Interaction & Display Balance

Fast refresh rates and smooth touch response.

Custom Front Light & Touch Module Solution

Engineered Cohesion

✅ Fully compatible with any 4.2-inch E Ink display for seamless integration.
✅ Dedicated QC team ensures the highest product standards for superior quality.
✅ Comprehensive technical support from our expert team guarantees your success.

Multi-Mode Front Light Control

Selectable cold white or warm light modes.
Adjustable brightness by varying the number of LEDs.
Flexible circuit design supports series or parallel LED configuration.
Optional light guide plate (LGP) for uniform illumination.

Touch Technology Options

Choose the right technology for your application:

Customizable touch gestures for flexible, efficient refresh.
Customizable number of sensors and controller ICs.

Custom FPC & Interfaces

Tailored Flexible Printed Circuit (FPC) cables connect components (like EPDs) to meet your specific mechanical and electrical requirements. We design for optimal flexibility, routing, and connector types.

Mechanical Integration

Expert selection of OCA bonding and glass cover options (anti-glare, AF coating) ensures robust assembly, optical clarity, and a premium finish.

A typical custom Touch-Light module development takes 8–12 weeks, covering definition, design, validation, and initial production. Expedited timelines are available for urgent projects.

Get Your Custom Solution

Demo: 2.13" EPD with Front Light & Touch

Not Just Front Light & Touch

4.2 inch ePaper

4.2 inch ePaper with front light screen

4.2 inch ePaper with touch screen

E Ink Product Application



Healthcare Devices	Industrial Control Terminals	Smart Home Application	Smart Labels and Tags

ESP32 Driver Solution

GDEY042T81-FT02

ESP32-FTS02

ESP32 Main board

Complete Solution

How to Connect a 4.2" Frontlit Touch E-Paper Display to an ESP32

DO NOT fold or pull the flex cable forcefully.
Frontlight voltage must match specifications.
If touch is unresponsive, check connection seating.
Operate in dry conditions to avoid moisture damage.

Beyond the Product: Our Four Guarantees

Expert

Professional Technical Team

Experienced engineers provide full technical support, from solution design to application implementation.

7X24 RESPONSE

Quality

Quality Assurance

8-step quality control process with international certifications ensures 99.9% pass rate.

ISO9001 Certified

Experience

18 Years Experience

Serving tens of thousands of clients with proven industry expertise and problem-solving capabilities.

Knowledge Database

Capacity

Strong Stock Capacity

Ample stock of core products to ensure fast delivery and continuous production.

48-Hour Rapid Shipping

Keyword:

4.2-inch E-Paper Display

E-Paper Display with Touch & Front-Light

E Ink Screen touch

4.2" Touchscreen & Front-light E-Paper

3.7 inch ePaper Display with Touch Screen & Front Light, GDEY037T03-FT21

2.9" Monochrome E-Ink Display with Capacitive Touch & Front Light | GDEY029T94-FT01

Related information download

GDEY042T81-FT02_Specification

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Monochrome ePaper

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256

File size:

2.6M

Time:

2023-08-16 10:59:00
IC Driver FT6336U Datasheet

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429KB

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2023-02-16 10:57:41
GDEY42T81-FT02-Drawing

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86

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489KB

Time:

2025-01-21 13:39:00
GDEY042T81-FT02/GDEY042T81-T02 STM32 Sample Code

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Example Code

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104

File size:

2.5M

Time:

2023-08-16 11:51:00
GDEY042T81-FT02/GDEY042T81-T02 ESP32 Sample Code

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Example Code

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185

File size:

16KB

Time:

2023-08-16 11:57:00
The Lastest Catalog

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2024-10-15 13:52:00
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1206

File size:

650KB

Time:

2024-01-14 11:17:00

GDEY042T81-FT02_Specification

Categories:

Monochrome ePaper

File size:

2.6M

Number of downloads:

256

2023-08-16 10:59:00

IC Driver FT6336U Datasheet

Categories:

Touch Screen

File size:

429KB

Number of downloads:

849

2023-02-16 10:57:41

GDEY42T81-FT02-Drawing

Categories:

Theother

File size:

489KB

Number of downloads:

2025-01-21 13:39:00

GDEY042T81-FT02/GDEY042T81-T02 STM32 Sample Code

Categories:

Example Code

File size:

2.5M

Number of downloads:

104

2023-08-16 11:51:00

GDEY042T81-FT02/GDEY042T81-T02 ESP32 Sample Code

Categories:

Example Code

File size:

16KB

Number of downloads:

185

2023-08-16 11:57:00

The Lastest Catalog

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Related Products

4.26" Frontlit Touch E-Paper Display for ESP32 - High Contrast, GDEQ0426T82-FT01C

3.7 inch ePaper Display with Touch Screen & Front Light, GDEY037T03-FT21

2.9" Monochrome E-Ink Display with Capacitive Touch & Front Light | GDEY029T94-FT01

2.7" E-Paper Display with Touch & Front Light | E-Ink Display Supplier GDEY027T91-FT11

2.13" E-Ink Display with Touch & Front Light | GDEY0213B74-FT11

1.54 inch E-Paper Display with Touch & Front-Light 200x200 GDEY0154D67-FT01

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Time of issue:2020-04-27 00:00:00

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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 CONNECTOR	6 Pin FPC
TOUCHSCREEN IC TOUCH IC	FT6336U
TOUCHSCREEN VOLTAGE	2.8-3.6 V
TOUCHSCREEN OPERATING CURRENT	4.32mA
TOUCHSCREEN STANDBY CURRENT	55uA

FRONT-LIT CONNECTOR	6 pin FPC
FRONT-LIT NUMBER OF LED LIGHT	7
FRONT-LIT CIRCUIT MODE	Series connection
FRONT-LIT OPERATING VOLTAGE	≤21V
FRONT-LIT OPERATING CURRENT	≤15mA

Product categories Toggle navigation

4.2" E-Paper Display with Touch & Front Light Module | GDEY042T81-FT02

GooDisplay Front-Lit Touch E-Ink Display

4.2" E Ink Display with Front Light & Touch

Key Features

Ultra-Thin Design

Smart Power Management

Lossless Front Light

Adaptive Touch

Flexible Customization

Interaction & Display Balance

Multi-Mode Front Light Control

Touch Technology Options

Custom FPC & Interfaces

Mechanical Integration

Not Just Front Light & Touch

How to Connect a 4.2" Frontlit Touch E-Paper Display to an ESP32

Beyond the Product: Our Four Guarantees

Related information download

GDEY042T81-FT02_Specification

IC Driver FT6336U Datasheet

GDEY42T81-FT02-Drawing

GDEY042T81-FT02/GDEY042T81-T02 STM32 Sample Code

GDEY042T81-FT02/GDEY042T81-T02 ESP32 Sample Code

The Lastest Catalog

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