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2.1″ Display

Overview

The 2.1″ Lectum display is a flexible active-matrix EPD with Ultrachip UC8156 single chip EPD controller, integrated drivers and power management. It supports 240 x 146 pixels.

This display is particularly suitable for smart cards, wearables and labels.

It is available as engineering samples and in volume, and can be ordered on request.

Key Features

  • Organic TFT active matrix incorporating industry leading, bi-stable electrophoretic display technology
  • Integrated display driver with controller and PMIC based on COP (chip-on-plastic) backend technology
  • Host communication via SPI interface
  • On-chip display RAM and waveform memory available
  • I2C interface for reading external temperature sensor
  • Thin, formable, robust, lightweight
  • Ultra-wide viewing angle
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    Ultra-low power – no continuous refresh cycles required
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    Single voltage power supply (1.7… 3.6V), on-chip regulator control for generating driving voltages (external booster circuit required)
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    Low current deep sleep mode
  • Can be combined with third-party touch solutions
  • Evaluation kit available for driving images, consisting of processor board and interface board HBZ9 with passives

    Specification

    Resolution 240 x 146
    Active area 46.08 x 28.03 mm (2.1″ diagonal)
    Pixel density 132 ppi
    Bendability typical 30 mm radius (except chip area)
    Gray levels up to four
    Refresh rate < 900 ms (4 gray-level) – faster for mono updates
    Surface anti-glare / UV protection /hard-coat 2H
    Weight 2.2 g
    Thickness 460 µm
    EPD controller Ultrachip 8156
    Operating conditions 0°C to 40°C | 15 %rH to 85 %rH
    Storage conditions -25°C to 50°C | 15 %rH to 85 %rH
    Display identifier for evaluation kits S021_T1.1

    Datasheet

    Get all technical information for the 2.1″ display

    Go to documentation library

    Find out more about all available evaluation kits for the 2.1″ display

    Go to 2.1" evaluation kits page

    Need a different display size?

    We have developed a range of display platforms based on different EPD controllers required to drive the respective Lectum design. Reference displays and evaluation kits, including software, are available. Please choose a platform or select custom design to discover how we can best support your display needs.
    Epson
    platform

    Reference display sizes:
    4.0” and 4.9”

    Drivers-only
    platform

    Reference display size:
    4.7″, 10.7” and 15.4″

    Custom Design