Answer:
Option 3: OLED panel
is the correct answer.
Step-by-step explanation:
- OLED stands for Organic Light Emitting Diode.
- It is a type of LED having a film o organic compound that is emissive electroluminescent layer.
- This film emits light when electric current is given to it.
- OLED is used in touchscreens in mobiles and other devices so that they respond when pressure is applied to the surface.
I hope it will help you!