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Originally Posted by jharker
Just to put that in some context, I want to point out that 600 DPI in a 6" diagonal screen would mean a screen with resolution 2160x2880... which is pretty high-end even for a desktop, let alone a mobile device!
At this point, the graphics card (and also the power use) becomes the limiting factor. Until graphics cards get a LOT smaller and more power-efficient, you'll probably end up trading off between resolution and refresh rate, since no mobile graphics card will be able to do high-rez AND high-refresh at the same time.
Of course, by high-refresh, I mean video speeds. Once e-ink itself becomes faster, even refreshing a high-resolution screen once should be pretty much instantaneous to the human eye...
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I didn't ask for high-speed refresh. I care a
lot more about the DPI than I do about the refresh speed (as long as refresh is no slower than it is now). Our current .8-second refresh will do. I wouldn't
mind .1-second refresh, of course (or even faster), but I'm looking for a book-reading device, not a video device.
Quote:
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Originally Posted by DaleDe
I believe this to be an extreme requirement and not needed by most users. If you try and read 4 pt fonts then it could be important.
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Tell that to all the people who stopped buying 300DPI printers when 600 and 1200 became available. The text really does look better with fewer jaggies; it's easier to read too. It also allows you to drop down a text-size or so without negative impact on readability (12-points to 10, or 10 down to 8 for example), which lets you put more content on a page. All good stuff.
I'd choose an improvement in DPI over an improvement in levels of gray-scale in a heartbeat. Likewise for any sub-video-speed refresh-rate improvements.
Xenophon
P.S. Improved contrast would be good too, but isn't quite as big a deal.