At first I thought, “faux-OLED”? Then I thought, maybe an OLED from Vietnam (like the delicious soup)? No, that was not it. But this IEEE article explains how new blue phosphorescent materials fix OLED display weaknesses:
The New Display: The PHOLED
Yes, making the Blue OLED’s was more difficult than its lower frequency counterparts. Kinda like “Why Building for 10 Meters is Harder than Building for Lower Frequencies” . But when we change or refine our techniques, the higher frequencies become easy again.