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Electrochromic systems and displays

Electrochromism - to modify colour with electricity - is an exciting area used in dimmable glass; rear-view mirrors, airplanes and heat control in buildings, but also in small displays which might substitute the LCD technology, and potentially in colour-shifting surfaces.

The RISE ECD - electrochromic, thin displays in packaging
The RISE ECD is a fully printed display

Displays - RISE ECD

With printing technology and environmentally sound materials we can create displays which are thin, flexible and require little energy. The RISE ECD ("Acreo Display") is a simple reflective display manufactured with printing technology and organic materials. It may be the first fully functional electrochromic display in the world, possible to mass produce at a reasonable cost.

Our expertise encompasses printing, display stack build-up, curing, contacting, driving and fundamental chemistry such as electrolytes and inks to create miniaturised systems and displays.

What's unique with electrochromic displays?

  • Screen printed
  • Flexible
  • Thin
  • Environment friendly
  • Mass-producible roll-to-roll with conventional high-speed printing processes
  • Super low energy consumption (as low as 1.2V)
  • Robust
  • Reflective
  • Bi-stabile (retains colour without being connected)
  • Free form

The RISE ECD is ideal as a "Visual Alert", a simple indicator, but may also be used as more sophisticated displays such as 7-segment displays driven by active/passive matrixes, much like an LCD. Since it's all printed, it may be take on many shapes, and further integrated in smart packaging, labels or even mould-in in smart cards or automotive interiors.

Application areas- examples

  • Smart labels (logitstics, temperature monitoring, anti-counterfeit etc)
  • Cheap displays with short lifetime
  • Medtech: pregnancy tests, blood tests, fast indicators in Point-of-Care applications from blood, saliva etc
  • Counter and visual alerts (did I take my pill? How many units are left? Is the device on/off?)
  • Smart cards: OneTimePassword
  • Substituting LCD
  • Substituting e-ink and other "Paper displays"

Dimmable windows and electrochromic film
EELICON - an EU-financed project developing electrochromic films and manufacturing methods for dimmable glass.

Electrochromism opens a realm of opportunities in fields such as dimmable glass, colourshifting surfaces (camouflage, design) and textiles and paper. Get in touch if you want to know more!

Electrolyte manufacturing and chemistry labs for organic polymers
Development of inks and electrolytes in our chemistry labs and cleanrooms


We develop our own materials and material combinations such as inks and electrolytes, with focus on environmentally sound organic materials and realistic, conventional, production processes.

Research in conducting polymers was rewarded with the Nobel Prize in year 2000 and the area keeps growing into new exiting fields such as interfaces with the human body, organic electrochemical transistors (OECT) and other printed components for future electronics and iontronics.

RISE ECD electrochromic displays in colour
Photo: Anurak Sawatdee
RISE ECD - screenprinted and organic. Low power and flexible. Colour trials.

This research field is fast growing, as an example we are currently working with novel shapes and colour systems. Do see more facts and video clips here: RISE ECD..

Björn Norberg

Contact person

Björn Norberg

Forsknings- och affärsutvecklare

Read more about Björn

Contact Björn

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