All iPhones since the iPhone X (2017), and not the iPhone SE line, has an OLED display. iPad Pro also has OLED.
There's also been rumours of a new high-end OLED MacBook ("Ultra"?) in the works, possibly this year.
alt Hacker News
There's also been rumours of a new high-end OLED MacBook ("Ultra"?) in the works, possibly this year.