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by kalleboo 3662 days ago
> The most extreme example could be 'dithering' a grey square into 1) a black square and 2) a white square, and when they are rapidly switching between the two it might appear as a grey instead.

I remember seeing old STN grayscale LCDs that seemed to work like this (and I even implemented it myself on the TI-83 as a test)

edit: looks like is called "Frame Rate Control" and used to be common http://robotics.ee.uwa.edu.au/eyejr/lcd/FRC-information.pdf