Quote:
Originally Posted by waterlubber
The backlight on the Kindle PW appears to be somewhat reflective, as the LEDs illuminate the text, which reflects to your eyes. Dark mode would reduce the total amount of light leaving the device, and potentially reduce eyestrain if it helped the device match the background brightness of the room.
It doesn't save power, though, but it's entirely reasonable that it may be easier to view for some people.
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It
is reflective, otherwise you wouldn't see anything in the dark. And so is paper: how would you see the text on your paper book if the light cast from the light bulb would not bounce on paper and hit your eyes?
But, two considerations:
1) If you reckon too much light is getting to your eye, since the Kindle has 24 different intensity level for its frontlight, why don't just decrease it?
2) Would you read a paper book printed on black paper with white ink? I guess no, or most paper book would be printed that way if it was so much more convenient. Then, why do so on e-ink which, phisically-wide, does behave the same?
It is true that black e-ink reflects less light than white e-ink: it's physics. But it's not so noticeable that some person's eyes would be strained by one and not from the other, or those people would not be able to read paper books printed on white paper as well. So no: it's not "reasonable" it may be easier to view for some people,
objectively speaking (which was my point from the start, or Niluje's if I understood him right). But of course, since suggestion plays a role here as well, it's perfectly possible that some people believe they can read better white-on-black. And this is not an issue, everyone is entitled to his own preference, absolutely nothing wrong with that. But it's just that: preferences based on a personal suggestion.