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

The 4.2″ E-Paper display from JicTech features high-contrast E Ink technology with ultra-low power consumption and excellent readability in bright sunlight. With flexible interfaces and compact design, it’s ideal for signage, retail shelf tags, and IoT display applications.

4.2 inch e-paper display high contrast e ink screen
4.2 inch e-paper display high contrast e ink screen

JicTech 4.2-inch 3-Color E-Paper Display Module (Model: JS0420MN11-TNG-A0)

Overview
The JS0420MN11-TNG-A0 is a 4.2-inch active matrix electrophoretic display (AMEPD) module that supports Black, White, and Red colors in a bi-stable, reflective format. With ultra-low power consumption, an integrated interface controller, and robust environmental performance, it is an ideal choice for electronic shelf labels, digital signage, and battery-powered information displays.

Key Features

  • 4.2-inch 3-Color E-Paper: Black, White, and Red display with high reflectance (35% typical)

  • Ultra Low Power: Only consumes power during updates; deep sleep current ≤ 3µA

  • Bi-stable Display: Image remains without power

  • Multiple SPI Interfaces: Selectable 3-wire or 4-wire SPI via BS1 pin

  • Integrated Controller: On-chip RAM, DC-DC, temperature sensor, and OTP for waveforms

  • Wide Viewing Angle: Near 180° readability

  • Hard Coat Anti-Glare Surface: Enhanced outdoor visibility

  • Compact & Lightweight: 91.0mm × 77.0mm × 1.12mm, 15.5g

  • RoHS Compliant

Technical Specifications

  • Display Area: 84.8mm × 63.6mm

  • Resolution: 400 × 300 pixels (120 DPI)

  • Pixel Pitch: 0.212mm × 0.212mm

  • Colors: Black, White, Red (1-bit per color)

  • Contrast Ratio: 15:1 (minimum)

  • Reflectance (White): 35% typical

  • Supply Voltage (VCI): 2.3V to 3.7V (3.0V typical)

  • Interface: SPI (3-wire or 4-wire)

  • Operating Temperature: 0°C to 40°C

  • Storage Temperature: 0°C to 40°C

  • Update Time: Dependent on waveform & temperature

  • Lifetime: 5 years under specified conditions

Applications

  • Electronic Shelf Labels (ESL) and retail pricing systems

  • Industrial and warehouse labeling

  • Portable medical devices and patient wristbands

  • Smart office signage and meeting room displays

  • IoT sensors and battery-operated indicators

  • Sustainable packaging and smart labels

Customization & Support
JicTech offers tailored solutions for small to medium batches, including:

  • Custom waveform development for optimized update speed & contrast

  • Interface adaptation (SPI mode selection, pin mapping)

  • Temperature sensor integration (internal/external)

  • Mechanical modifications (FPC length, connector type, mounting holes)

  • OTP programming for module identification & calibration

  • Environmental hardening for extended temperature or humidity ranges

Reliability & Testing
The module undergoes rigorous environmental and reliability tests, including:

  • High/low temperature operation & storage

  • Temperature cycling (-25°C to 60°C)

  • High humidity testing (90% RH)

  • ESD protection (HBM ±4kV air, ±2kV contact)

  • Vibration and drop impact (packaged)

Why Choose JicTech?
With expertise in reflective display technology, JicTech delivers reliable, energy-efficient E-Paper modules backed by responsive engineering support. We collaborate closely with customers to provide customized display solutions that meet specific power, interface, and environmental requirements.

 

Download this product’s technical documentation and specifications.

Click here to download:PULL-SPEC-JS0420MN11-A0_V0.1

 

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