4.0-inch E-Paper Display Module – High Contrast E Ink

JicTech 4.0-inch High-Resolution E-Paper Display Module (Model: JS0400NW08-TNG-A0)

Overview

The JS0400NW08-TNG-A0 is a 4.0-inch active matrix electrophoretic display (AMEPD) module offering high resolution (480×800 pixels), ultra-thin design, and integrated temperature sensing. Designed for applications requiring sharp text and graphics with minimal power consumption, it is an advanced solution for modern electronic shelf labels, portable devices, and smart industrial displays.

4.0 inch e-paper display module high contrast e ink screen

Key Features

4.0-inch High-Resolution Display: 480×800 pixels, 235 DPI for crisp detail
Ultra-Thin Design: Module thickness of only 0.81mm
Integrated Temperature Sensor: Built-in sensor + I²C interface for external sensor support
Dual SPI Interface: Selectable 3-wire or 4-wire SPI via BS1 pin
Ultra-Low Power: Bi-static display requires zero power to maintain image; deep sleep mode for extended battery life
High Contrast & Reflectance: 35% typical white reflectivity
Hard Coat Anti-Glare Surface: Enhanced outdoor and indoor readability
On-Chip RAM & OTP: Waveform storage and display memory integrated
Wide Viewing Angle: Near 180° viewing experience
RoHS Compliant

Technical Specifications

Active Area: 51.84mm × 86.40mm
Resolution: 480 (H) × 800 (V) pixels
Pixel Pitch: 0.108mm × 0.108mm
Display Colors: Monochrome (Black/White)
Contrast Ratio: 8:1 (minimum)
Reflectance (White): 35% typical
Supply Voltage (VCI): 2.2V to 3.7V (3.0V typical)
Interface: SPI (3-wire/4-wire selectable), I²C for temperature sensor
Operating Temperature: 0°C to 40°C
Storage Temperature: -25°C to 70°C
Module Dimensions: 56.24mm (W) × 96.62mm (H) × 0.81mm (D)
Update Time: Temperature and waveform dependent

Mechanical Specifications

Parameter	Specification	Unit
Model	JS0400NW08-TNG-A0	—
Screen Size (diagonal)	3.97 / 4.0	inch
Resolution	480 × 800	pixels
Active Area	51.84 × 86.40	mm
Pixel Pitch	0.108 × 0.108	mm
Outline Dimensions (H × V × D)	56.24 × 96.62 × 0.81	mm
Pixel Configuration	Rectangle	—
Typical Weight	TBD	g

Electrical & Interface Specifications

Parameter	Symbol	Min	Typ	Max	Unit
Logic Supply Voltage	VCI / VDDIO	2.2	3.0	3.7	V
Core Logic Voltage	VDD	1.7	1.8	1.9	V
High-level input threshold	VIH	0.8 × VCI	—	—	V
Low-level input threshold	VIL	—	—	0.2 × VCI	V
Typical operating current (update)	Iopr_VCI	—	TBD	—	mA
Deep sleep / standby current	Islp_VCI / Idslp_VCI	—	TBD	—	µA
Supported Interfaces	—	4-wire SPI / 3-wire SPI (9-bit), I²C (temperature)			—

Optical Characteristics

Parameter	Typical / Notes	Unit
White Reflectance	≈30–35	%
Contrast Ratio (CR)	≈8:1 (indoor)	—
Viewing Angle	Ultra-wide (near 180°)	degrees
Image Update Time	TBD (controller & waveform dependent)	sec

Rigorous Reliability Validation

Certified for industrial deployment through comprehensive environmental testing:

Test	Condition	Duration	Compliance
Temperature Cycling	-25°C ↔ +70°C	50 cycles	IEC 60068-2-14
High-Temperature Storage	70°C, 40% RH	240 hrs	Industrial Standard
High-Humidity Operation	40°C, 80% RH	240 hrs	IEC 60068-2-30
UV Resistance	765W/m² @ 40°C	168 hrs	MIL-STD-810G
ESD Protection	Air: ±15kV, Contact: ±8kV	Multiple	IEC 61000-4-2
Long-Term Storage	-25°C to +70°C	240 hrs	JEDEC Standard

Note: After environmental stress tests, modules should be allowed to stabilize at room conditions before functional verification.

Applications

High-density Electronic Shelf Labels (ESL) and retail digital signage
Portable e-readers and educational devices
Smart factory and warehouse management tags
Medical specimen labeling and patient information cards
IoT sensors and environmental monitoring displays
Premium logistics and asset tracking solutions

Customization & Support

JicTech offers flexible engineering support for small to medium-volume projects, including:

Custom waveform development for optimized update speed and image quality
Temperature compensation algorithm tuning
Mechanical redesign (FPC length, connector type, mounting features)
Firmware customization for specific MCU platforms
Pre-programmed OTP for plug-and-play deployment
Environmental testing and qualification support

Reliability & Testing

The module is subjected to comprehensive reliability tests to ensure robust performance:

High/low temperature operation and storage tests
Temperature cycling (-25°C to 70°C)
High humidity operation (up to 80% RH)
UV exposure resistance testing
ESD protection (air discharge up to ±15kV on finished product)
Vibration and mechanical stress validation

Why Choose JicTech?

JicTech combines deep expertise in reflective display technology with a customer-centric approach to customization. We provide reliable, energy-efficient E-Paper modules backed by responsive technical support, helping you integrate high-performance display solutions into your products efficiently and effectively.