An informative and interesting article about OLED display screens and their adoption for use in various dveices.
https://www.bloomberg.com/news/articles/2018-03-01/iphone-x-was-supposed-to-start-oled-boom-it-s-not-working-out
Thanks for sharing, Bill. Longer battery life is nice but burn-in and colour changes doesn't sound so great. I wonder what causes the burn-in?