Kodak?
US20190182951A1
Kodak Patent
https://patents.google.com/patent/US20190182951A1/en?oq=US20190182951A1
This invention has the advantage that the optical layer structure can be fabricated simultaneously with the electrical element without the need for any additional processing operations.
It has the additional advantage that the optically-detectable interference image can provide an image authentication feature which is difficult to reproduce.