I think it’s B I think it’s B
I’m pretty sure it’s either 22 or 28. I can’t remember very clearly
Answer:
An OLED is an abbreviation for Organic Light-Emitting Diodes.
Explanation:
It is basically a type of light-emitting diode or LED that has an emissive electroluminescent layer that acts as a film of organic compounds and is responsible for emitting light when an electric current is applied.