Check out this article "Five Hot Trends with Printed and Flexible Electronics" by idtechex.
"Printed Electronics Europe features the latest progress with commercial products impacting IoT and smart packaging, from hybrid RFID sensing labels to RFID labels with no silicon IC."
https://www.idtechex.com/research/articles/five-hot-trends-with-printed-and-flexible-electronics-00013938.asp
