Quote:
Originally Posted by ApK
No, it's not, You can turn the screen light off and use a book light of some sort like we all did before lit readers existed. I still do, often, since my main reader is still my KK. I think I made it clear in my post, as if it were necessary to do so, that SOME light source would be needed to see, but it does NOT have to be the light built in to the screen.
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Each layer, including the light guide reduces the contrast - a weak use of the front light increases it again.
But the essence of EInk is that it works without internal lighting.
I never read - like a paper book - without ambient light; it should be there.