Aleister
(Aleister)
48
A non-lit LCD screen uses extremely little energy (there are watches with such screens that run for years on a 2016 cell). Backlit could be temporary, when you click a button for example. Or maybe the screen can be placed over a base which acts as a temporary switch, so when pressure is applied on the screen, the backlit turns on. There are many ways to minimize a screen’s usage, we see them applied in everyday electronics