Quote:
Originally Posted by TallMomof2
Since there's no touchscreen on the Kobo my assumption is that it's the same. I have or had 8 different devices with eInk screens and they all perform the same. There are some very slight variations in contrast, due to different manufacturing batches or possibly age, but the screens are virtually the same. I even have 2 devices with a touchscreen and they have a little bit more glare but I can easily compensate for that.
Some variation in screen performance is due to different controllers but it doesn't affect the screen contrast. Some controllers support differing levels of grayscale but for me that's only noticeable in highly detailed illustrations not day to day reading.
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I thought I read that current screens could theoretically achieve better contrast, but only at the expense of slower rendering. That suggests to me that firmware could indeed make a difference in the contrast. Though perhaps a difference to minor to readily see, given sane page-turn times?
How do you know the contrast differences between the devices you own are due to batch-variation, and not something inherent to the firmware or the manufacturing process? Do you have multiples of the same device/model? Or have you compared your devices against others of the same model at stores?
Joember