Quote:
Originally Posted by jswinden
I really don't think the eInk screen is any different on the K3 and the K4. They are both Pearl 6" screens. I do think that either Amazon used a different top layer over the K3 screen and/or they tweaked the firmware to make the K4 screen work better. I've read that the eInk screens have much more capabilities than is utilized by current readers, so perhaps they tweaked the software to take better advantage of some of those capabilities.
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I agree. A lot of folks have been puzzled by why the Pearl screen looks better on the K3 than on other readers taht also use the Pearl screen. The differences appear to be largely due to Amazon's choice of font, and other minor asthetic choices.
With the difference between the K3 and the K4, I think that the apparent lack of glare in the K4 seems to tell a large part of the story. E-ink's manufacturer has stated repeatedly that the more light you get hitting the e-ink layer, the better the contrast will be. Amazon developed or chose a less reflective protective layer, so more light is penetrating through to the e-ink layer, rather than being reflected. It's not a big deal in a technological sense, but it's still a real, valid difference.