Original post: hachyderm.io (Mastodon)
this post was submitted on 16 Jan 2025
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Because they look like paper... They don't hurt your eyes because you're not staring at a light the whole time. They're not backlit at all.
I have an OLED screen though. It gets really really dim, plus the black background is as dark as it can get. But again, I guess it's that additional luxury.
E readers are definitely not worse than my phone. They most definitely are better (even if the difference isn't that significant). Therefore, if money was not a concern, I would get one too ig!
A lot of them are, but you can turn it off when there's enough ambient light.
They aren't. What you've seen is called a frontlight.
E-ink panels are not transparent, light cannot pass through them at all. The complete opacity of the ink particles inside the panel is part of how it works. They physically cannot be backlit.
The built in light you find on most new e-readers is a string of LEDs around the edges of the panel, which shine light into a glass or plastic layer in front of the screen.
This allows the device to illuminate the e-ink panel in exactly the same manner ambient light does.