Displays E-paper

Electronic Paper Displays (EPD), also known as e-paper or electronic paper, are a data visualization technology that is increasingly being used not only in consumer electronics but also in other areas such as transportation. These solutions are compared to traditional printing techniques, as the content displayed on e-paper and on paper itself is perfectly readable from any angle when provided with a light source. One of their undeniable advantages is energy efficiency – e-paper displays do not require backlighting to maintain the displayed images, and energy is only consumed during image changes. This makes them ideal for use in battery-powered devices such as wearables.

Unisystem » Displays E-paper

Electronic Paper Displays (EPD), also known as e-paper or electronic paper, are a data visualization technology that is increasingly being used not only in consumer electronics but also in other areas such as transportation. These solutions are compared to traditional printing techniques, as the content displayed on e-paper and on paper itself is perfectly readable from any angle when provided with a light source. One of their undeniable advantages is energy efficiency – e-paper displays do not require backlighting to maintain the displayed images, and energy is only consumed during image changes. This makes them ideal for use in battery-powered devices such as wearables.

  • L-T1000-EVK control board for 25.3-inch display
    AC253TT1
    , Spectra 3100 EL253TV1 display and ED253TT1, ED253TT3, ED280TT1 monochrome displays allows E Ink customers to access the hardware and software of E Ink display modules for evaluation.
    “EVK” which stands for Evaluation Kit, which in addition to the controller board includes:
    – DC 12V/5A power supply
    – FFC ribbons to connect the controller to the AC253 TT1 display
    – SD card 8GB

    Resolution

    4096x4096

    Interface

    8080, MIPI DSI, SPI, USB

    Manufacturer

    E-ink

  • The EPD E Ink AC253TT1 display has a resolution of 3200×1800, 150 dpi, the displayed content is CMYK.
    We also offer an Evaluation Kit for this display under the designation:
    L-T1000-EVK

    Size (inch)

    25.3

    Resolution

    3200 x 1800

    Colors

    CMYK

    DPI

    150

    Interface

    8080

    Active area (mm)

    560.0x315.0

    Outline Dimensions (mm)

    576.5x333.0x0.97

    Operating temp. (°C)

    15~35

    Storage temp. (°C)

    -25~70

    Special

    None

    Manufacturer

    E-ink

  • DKE’s DEPG1330BNS770F0 e-paper 13.3-inch display of 960×680 resolution and 88 DPI. The content is displayed in two shades of grey.

    Resolution

    960x680

    Colors

    Black-white

    DPI

    88

    Interface

    SPI

    Active area (mm)

    275.52x195.16

    Outline Dimensions (mm)

    286.32 x 212.26 x 1.2

    Operating temp. (°C)

    0~50

    Storage temp. (°C)

    -25~70

    Special

    I²C for temp. measurement

    Manufacturer

    DKE

  • DKE’s DEPG1020RWS770F0 e-paper 10.2-inch display of 960×640 resolution and 113 DPI. The content is displayed in three colors: black, red, and white.

    Resolution

    960x640

    Colors

    7 Colors

    DPI

    113

    Interface

    SPI

    Active area (mm)

    215.52x143.68

    Outline Dimensions (mm)

    224.0 x 157.0 x 1.0

    Operating temp. (°C)

    0~50

    Storage temp. (°C)

    -25~70

    Special

    I²C for temp. measurement

    Manufacturer

    DKE

  • DKE’s DEPG0730NCE020F1 e-paper 7.3-inch display of 800×480 resolution and 127 DPI. The content is displayed in seven primary colors (black, white, red, yellow, blue, green, and orange) with transition states in between.

    Resolution

    800x480

    Colors

    7 Colors

    DPI

    127

    Interface

    SPI

    Active area (mm)

    160 x 96

    Outline Dimensions (mm)

    170.2 x 111.2 x 1.0

    Operating temp. (°C)

    0~50

    Storage temp. (°C)

    -25~70

    Special

    I²C for temp. measurement

    Manufacturer

    DKE

  • DKE’s DEPG0420YNU276F14 e-paper 4.2-inch display of 300×400 resolution and 120 DPI. The content is displayed in three colors: black, yellow, and white.

    Resolution

    300x400

    Colors

    Black-yellow-white

    DPI

    120

    Interface

    SPI

    Active area (mm)

    84.8 x 63.6

    Outline Dimensions (mm)

    91.0 x 77.0 x 1.2

    Operating temp. (°C)

    0~50

    Storage temp. (°C)

    -25~70

    Special

    I²C for temp. measurement

    Manufacturer

    DKE

  • DKE’s DEPG0310BNS800F2HP e-paper 3.1-inch display of 168×296 resolution and 110 DPI. The content is displayed in two shades of grey.

    Resolution

    168x296

    Colors

    Black-white

    DPI

    110

    Interface

    SPI

    Active area (mm)

    38.81 x 68.38

    Outline Dimensions (mm)

    45.83 x 80.78 x 1.2

    Operating temp. (°C)

    0~50

    Storage temp. (°C)

    -25~70

    Special

    I²C for temp. measurement

    Manufacturer

    DKE

  • The EPD E Ink EC312TT2 display has a resolution of 1280×720, 47 dpi, the displayed content has 4096 colors.
    The display is also available in a version with a controller .
    E Ink is famous for producing the highest quality e-paper displays, and is one of the largest and most recognized manufacturers of EPD modules in the world, as well as a pioneer in the development of technology related to electronic ink (E Ink).
    Products created using the revolutionary E Ink technology are sunlight readable, and do not need a backlight or electricity to support the image.
    In addition, they have high contrast, low power consumption and a thin and lightweight form.
    These solutions are being used in the industrial and consumer applications market to create products such as e-book readers, electronic pricing, watches, information devices and banners.

    Size (inch)

    31.2

    Resolution

    1280x720

    Colors

    4096 Colors

    DPI

    47

    Interface

    SPI

    Active area (mm)

    691.2x388.8

    Outline Dimensions (mm)

    697.2x402.8x0.805

    Operating temp. (°C)

    0~50

    Storage temp. (°C)

    -25~70

    Special

    None

    Manufacturer

    E-ink

  • ED013TC1 display is E Ink – 2 Gray Level industrial e-paper module that has 256×128 resolution and 225dpi.

    E Ink is renowned from producing top quality e-paper displays. The company is one of the largest and most recognized EPD manufacturers in the world, and a pioneer in the development of electronic ink (E Ink) technology. Products created within the revolutionary E Ink technology are readable in direct sunlight and do not need backlight or electricity to sustain the image. In addition, they characterize by high contrast, low power consumption and thin and light form. These solutions are used in the industrial and consumer applications market to create products such as e-book readers, electronic money, smart watches, digital signage, or banners.

    Size (inch)

    1.27

    Resolution

    256x128

    Colors

    2 Gray Level

    DPI

    225

    Interface

    SPI

    Active area (mm)

    14.46x28.93

    Outline Dimensions (mm)

    18.7x40.8x0.78

    Operating temp. (°C)

    0~50

    Storage temp. (°C)

    -25~70

    Special

    None

    Manufacturer

    E-ink

  • The EPD E Ink ED027TC2 display has a resolution of 296×128, 118 dpi, the displayed content is black and yellow and white.

    Size (inch)

    2.72

    Resolution

    296x128

    Colors

    Black-yellow-white

    DPI

    118

    Interface

    SPI

    Active area (mm)

    63.49x27.46

    Outline Dimensions (mm)

    79.0x36.7x1.116

    Operating temp. (°C)

    0~50

    Storage temp. (°C)

    -25~70

    Special

    None

    Manufacturer

    E-ink

  • ED029TC1 display is E Ink – black-white industrial e-paper module that has 296×128 resolution and 112dpi.

    E Ink is renowned from producing top quality e-paper displays. The company is one of the largest and most recognized EPD manufacturers in the world, and a pioneer in the development of electronic ink (E Ink) technology. Products created within the revolutionary E Ink technology are readable in direct sunlight and do not need backlight or electricity to sustain the image. In addition, they characterize by high contrast, low power consumption and thin and light form. These solutions are used in the industrial and consumer applications market to create products such as e-book readers, electronic money, smart watches, digital signage, or banners.

    Size (inch)

    2.9

    Resolution

    296x128

    Colors

    Black-white

    DPI

    112

    Interface

    SPI

    Active area (mm)

    66.9x29.06

    Outline Dimensions (mm)

    79.0x36.7x1.15

    Operating temp. (°C)

    0~50

    Storage temp. (°C)

    -25~70

    Special

    None

    Manufacturer

    E-ink

  • The EPD E Ink ED035OC1 display has a resolution of 600×360, 200 dpi, the displayed content has 16 shades of gray.

    Size (inch)

    3.5

    Resolution

    600x360

    Colors

    16 Gray Level

    DPI

    200

    Interface

    SPI

    Active area (mm)

    45.54x75.90

    Outline Dimensions (mm)

    51.54x86.50x1.18

    Operating temp. (°C)

    0~50

    Storage temp. (°C)

    -25~70

    Special

    None

    Manufacturer

    E-ink

  • ED043WC3 display is E Ink – 16 Gray Level industrial e-paper module that has 800×480 resolution and 216dpi.

    E Ink is renowned from producing top quality e-paper displays. The company is one of the largest and most recognized EPD manufacturers in the world, and a pioneer in the development of electronic ink (E Ink) technology. Products created within the revolutionary E Ink technology are readable in direct sunlight and do not need backlight or electricity to sustain the image. In addition, they characterize by high contrast, low power consumption and thin and light form. These solutions are used in the industrial and consumer applications market to create products such as e-book readers, electronic money, smart watches, digital signage, or banners.

    Size (inch)

    4.3

    Resolution

    800x480

    Colors

    16 Gray Level

    DPI

    216

    Interface

    8080

    Active area (mm)

    56.16x93.60

    Outline Dimensions (mm)

    62.4x106.4x0.912

    Operating temp. (°C)

    0~50

    Storage temp. (°C)

    -25~70

    Special

    None

    Manufacturer

    E-ink

  • ED047TC2 display is E Ink – 16 Gray Level industrial e-paper module that has 960×540 resolution and 234dpi.

    E Ink is renowned from producing top quality e-paper displays. The company is one of the largest and most recognized EPD manufacturers in the world, and a pioneer in the development of electronic ink (E Ink) technology. Products created within the revolutionary E Ink technology are readable in direct sunlight and do not need backlight or electricity to sustain the image. In addition, they characterize by high contrast, low power consumption and thin and light form. These solutions are used in the industrial and consumer applications market to create products such as e-book readers, electronic money, smart watches, digital signage, or banners.

    Size (inch)

    4.7

    Resolution

    960x540

    Colors

    16 Gray Level

    DPI

    234

    Interface

    SPI

    Active area (mm)

    58.32x103.68

    Outline Dimensions (mm)

    62.5x113.9x0.812

    Operating temp. (°C)

    0~50

    Storage temp. (°C)

    -25~70

    Special

    None

    Manufacturer

    E-ink

  • ED052TC2 display is E Ink – 16 Gray Level industrial e-paper module that has 960×540 resolution and 213dpi.

    E Ink is renowned from producing top quality e-paper displays. The company is one of the largest and most recognized EPD manufacturers in the world, and a pioneer in the development of electronic ink (E Ink) technology. Products created within the revolutionary E Ink technology are readable in direct sunlight and do not need backlight or electricity to sustain the image. In addition, they characterize by high contrast, low power consumption and thin and light form. These solutions are used in the industrial and consumer applications market to create products such as e-book readers, electronic money, smart watches, digital signage, or banners.

    Size (inch)

    5.17

    Resolution

    960x540

    Colors

    16 Gray Level

    DPI

    213

    Interface

    SPI

    Active area (mm)

    64.53x114.24

    Outline Dimensions (mm)

    69.23x124.59x0.68

    Operating temp. (°C)

    0~50

    Storage temp. (°C)

    -25~70

    Special

    None

    Manufacturer

    E-ink

  • ED057TC1 display is E Ink – black-yellow-white industrial e-paper module that has 600×448 resolution and 128dpi.

    E Ink is renowned from producing top quality e-paper displays. The company is one of the largest and most recognized EPD manufacturers in the world, and a pioneer in the development of electronic ink (E Ink) technology. Products created within the revolutionary E Ink technology are readable in direct sunlight and do not need backlight or electricity to sustain the image. In addition, they characterize by high contrast, low power consumption and thin and light form. These solutions are used in the industrial and consumer applications market to create products such as e-book readers, electronic money, smart watches, digital signage, or banners.

    Size (inch)

    5.65

    Resolution

    600x448

    Colors

    Black-yellow-white

    DPI

    128

    Interface

    SPI

    Active area (mm)

    114.90x85.80

    Outline Dimensions (mm)

    125.4x99.5x1.116

    Operating temp. (°C)

    0~50

    Storage temp. (°C)

    -25~70

    Special

    None

    Manufacturer

    E-ink

  • ED057TC2 display is E Ink – 2 Gray Level industrial e-paper module that has 600×448 resolution and 128dpi.

    E Ink is renowned from producing top quality e-paper displays. The company is one of the largest and most recognized EPD manufacturers in the world, and a pioneer in the development of electronic ink (E Ink) technology. Products created within the revolutionary E Ink technology are readable in direct sunlight and do not need backlight or electricity to sustain the image. In addition, they characterize by high contrast, low power consumption and thin and light form. These solutions are used in the industrial and consumer applications market to create products such as e-book readers, electronic money, smart watches, digital signage, or banners.

    Size (inch)

    5.65

    Resolution

    600x448

    Colors

    2 Gray Level

    DPI

    128

    Interface

    SPI

    Active area (mm)

    114.90x85.80

    Outline Dimensions (mm)

    125.4x99.5x1.116

    Operating temp. (°C)

    0~50

    Storage temp. (°C)

    -25~70

    Special

    None

    Manufacturer

    E-ink

  • ED057TC6 display is E Ink – 2 Gray Level industrial e-paper module that has 600×448 resolution and 128dpi.

    E Ink is renowned from producing top quality e-paper displays. The company is one of the largest and most recognized EPD manufacturers in the world, and a pioneer in the development of electronic ink (E Ink) technology. Products created within the revolutionary E Ink technology are readable in direct sunlight and do not need backlight or electricity to sustain the image. In addition, they characterize by high contrast, low power consumption and thin and light form. These solutions are used in the industrial and consumer applications market to create products such as e-book readers, electronic money, smart watches, digital signage, or banners.

    Size (inch)

    5.65

    Resolution

    600x448

    Colors

    2 Gray Level

    DPI

    128

    Interface

    SPI

    Active area (mm)

    114.90x85.80

    Outline Dimensions (mm)

    125.4x99.5x1.116

    Operating temp. (°C)

    0~50

    Storage temp. (°C)

    -25~70

    Special

    None

    Manufacturer

    E-ink

  • ED060KC1 display is E Ink – 16 Gray Level industrial e-paper module that has 1072×1448 resolution and 300dpi.

    E Ink is renowned from producing top quality e-paper displays. The company is one of the largest and most recognized EPD manufacturers in the world, and a pioneer in the development of electronic ink (E Ink) technology. Products created within the revolutionary E Ink technology are readable in direct sunlight and do not need backlight or electricity to sustain the image. In addition, they characterize by high contrast, low power consumption and thin and light form. These solutions are used in the industrial and consumer applications market to create products such as e-book readers, electronic money, smart watches, digital signage, or banners.

    Size (inch)

    6

    Resolution

    1072x1448

    Colors

    16 Gray Level

    DPI

    300

    Interface

    SPI

    Active area (mm)

    90.60x122.40

    Outline Dimensions (mm)

    101.8x138.4x1.01

    Operating temp. (°C)

    0~50

    Storage temp. (°C)

    -25~70

    Special

    None

    Manufacturer

    E-ink

  • ED060KG1 display is E Ink – 16 Gray Level industrial e-paper module that has 1072×1448 resolution and 300dpi.

    E Ink is renowned from producing top quality e-paper displays. The company is one of the largest and most recognized EPD manufacturers in the world, and a pioneer in the development of electronic ink (E Ink) technology. Products created within the revolutionary E Ink technology are readable in direct sunlight and do not need backlight or electricity to sustain the image. In addition, they characterize by high contrast, low power consumption and thin and light form. These solutions are used in the industrial and consumer applications market to create products such as e-book readers, electronic money, smart watches, digital signage, or banners.

    Size (inch)

    6

    Resolution

    1072x1448

    Colors

    16 Gray Level

    DPI

    300

    Interface

    SPI

    Active area (mm)

    90.60x122.40

    Outline Dimensions (mm)

    101.8x138.4x1.88

    Operating temp. (°C)

    0~50

    Storage temp. (°C)

    -25~70

    Special

    with Front Light

    Manufacturer

    E-ink

How do EPD displays work?

The functioning of EPD (Electronic Paper Display) is based on the phenomenon of electrophoresis. Each display cell consists of a mixture of oil and water with suspended pigment particles. They are positioned between two parallel rows of electrodes, which allow for control over the display by directing the particles. By applying a positive or negative charge, the particles move up or down, creating the desired image.
Initially, EPD displays used only black and white pigments, which allowed for grayscale images (1-, 2-, 4-bit). However, there are now color variants available, such as the Advanced Color ePaper (ACeP) developed by E Ink. This solution incorporates four pigments—magenta, cyan, yellow, and white—within each display cell, resulting in images with a full range of colors (eight primary colors). Learn more about color options for e-paper displays here.

EPD displays in industrial applications

In addition to consumer electronics (e.g., popular e-readers), EPD displays are increasingly finding application in industrial settings, especially where energy efficiency is a crucial factor. The characteristics of EPD technology enable energy savings up to 111 times greater compared to LCD displays.

Examples of EPD display applications

EPD displays are used in various applications, including:

  • Retail: price tags and labels
  • Digital signage systems: advertising displays (notably, color options such as E Ink’s Gallery series)
  • Transportation: timetables and schedules
  • Medical field: medication dosage labels for patients
  • Smart buildings: indoor navigation systems (e.g., the Incrediscope project developed by Unisystem and Visionect)

How to choose the right EPD display from our offering?

When selecting an EPD display, in addition to choosing the appropriate diagonal size, several factors should be taken into account, such as DPI, module type, interface, and temperature ranges.

DPI (Dots Per Inch)

DPI refers to the number of pixels per inch on the display. Higher DPI values indicate a higher image resolution. The DPI should be adjusted to suit the device’s purpose and the end user’s requirements.

Interface Options for EPD Displays

Our offering includes solutions that support the two most popular interfaces used in EPD displays:

    • SPI: This interface enables high-speed data transmission and is recommended for most EPD display models.
    • USB: This interface allows direct connection of the EPD display to a computer and is mainly used for prototyping or testing purposes.

Temperature Range for EPD Displays

Typically, the operating temperature range for EPD displays is specified from 0 to 50°C.
Although the temperature range is limited, it does not make the implementation of EPD displays impossible in outdoor devices (such as transportation timetables). However, additional elements like heaters or fans may be required to maintain a temperature that ensures the reliable operation of the electronics.

EPD Display Manufacturers

In our offering, we provide EPD displays from two companies: E Ink and DKE.

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