I like this characteristic of OLEDs. When I'm reading a book on my phone in low light I like to set the background to black and text to white. It significantly

I like this characteristic of OLEDs. When I'm reading a book on my phone in low light I like to set the background to black and text to white. It significantly lowers the light output of the screen in that scenario compared to a traditional LCD. That factor alone made me prefer my Galaxy S5 over my gen1 kindle fire for reading despite the screen size.