I saw a fake nixie clock^1 on hackaday that used OLED modules to pretent to be nixie tubes. I've seen some incredibly expensive newspaper e-ink displays^2
Any interesting home decor projects you're aware of?
1: https://hackaday.com/2023/07/15/these-fake-nixie-tubes-have-a-bootup-screen/#more-604081
2: https://projecteink.com/pages/about