There seems to be a periodic shift between whether or not dark saves energy or not. Back in the CRT days, it was true, because darker meant less powerful beam.

There seems to be a periodic shift between whether or not dark saves energy or not. Back in the CRT days, it was true, because darker meant less powerful beam. Then in the LCD days, dark meant tmore energy to black out the pixels. Now with OLED displays, we’re back to dark saving energy.