A new report has stated that Apple could be planning on releasing three iPhones in 2020 that all feature OLED panels, which will probably be supplied by Samsung. As one of the 2020 phones is rumored to be coming in a 5.42-inch size, there has been speculation this could be a next-generation iPhone SE.
https://www.notebookcheck.net/Apple-might-release-three-OLED-iPhones-in-2020-one-could-be-an-iPhone-SE-2.415678.0.html