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Old 02-13-2010, 02:40 AM   #53
DawnFalcon
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Join Date: Aug 2009
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Quote:
Originally Posted by Demas View Post
- Human eyes won't get strained by anything with a high refresh rate, including LCD... equivocated ones with poor refresh rate is like equivocating low-quality e-paper solutions like TFT with e-ink.
A common view, but based on a false premise, that Human eyes work like an electronic device. However, in actuality even high "refresh rates" can cause eyestrain. This is because the eye does not update in a linear fashion, unlike electronic devices.

More, one identified issue is not how bright the device is, but the difference in lighting levels between the device and the ambient light. Matching for a TFT device is often badly done, and backlighting (and on non-reflective devices, you cannot simply turn it off...) has a minimum illumination level. This is less of an issue with LED-lit screens than CCFL-lit ones, but the issue does still remain.

You persistently refer to ereader screens as "low quality", when in fact e-ink displays are typically higher ppi than most laptop screens (handy table, most 6" epaper readers being 166 ppi).

You are showing a clear bias here: Greyscale does not per-se cause higher levels of strain, assuming a reasonable handling of the fonts in the rendering engine (and ADE does, although Apple's does not), small batch production has nothing whatsoever to do with eyestrain (regardless, E-Ink screens are now in mass production, and SiPix screens will be from day one, hence this objection is invalid), and so on.

I don't mind you holding a bias, but it does need to be clear that you are holding one against current epaper devices: while they do have very real issues...
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