In this video we will take a look at interior of a bathroom weighing scale. Its quite good to learn whats there in current consumer electronics.
Links-
1. LCDs- https://en.wikipedia.org/wiki/Liquid-crystal_display
2.Thin film transistor LCDs- https://en.wikipedia.org/wiki/Thin-film-transistor_liquid-crystal_display
3. tn LCD- https://en.wikipedia.org/wiki/Twisted_nematic_field_effect
