CHI’19 Course Materials2019-09-25T14:13:31+02:00


CHI’19 Course: Prototyping Transparent and Flexible Electrochromic Displays


On this site you will find all materials used and presented in the course, as well as further literature to extend your exploration into producing electrochromic displays.

Slide Sets:

Introduction to the Technology

Construction Process

Control it using an Arduino



Suggested Overview:

TransPrint – A Method for Fabricating Flexible Transparent Free-Form Displays (2019). Brian Walther Skovgard Jensen, Ashley Colley, Jonna Häkkilä, Carlos Pinheiro and Markus Löchtefeld (Pre-Print)


ShadowLamp – An Ambient Displaywith Controllable Shadow Projection using Electrochromic Materials (2019) – Walther Jensen, Markus Löchtefeld & Hendrik Knoche. In Proceedings of the 2019 CHI Conference Extended Abstracts on Human Factors in Computing Systems (CHI EA ’19). ACM, New York, NY, USA, DOI:

Construction Video:


DecoChrom Adobe Illustrator Extension:

Here you can find the Adobe Illustrator extension that helps you creating the needed print materials as well as masks for lasercutting the spacers:

Arduino Examples:

You can find several examples of how to control the displays using an Arduino here: