Sorry, the term flicker-free for most LCDs isn't correct. Their dimming is done with pulse-width modulation, which turns the backlight on and off at about 200 Hz, which we can subliminally perceive. This flicker causes such symptoms in sensitive individuals as headaches, eye pain, dizziness ... More about it on this site: http://vasyafromukraine.webs.com/
Sorry, the term flicker-free for most LCDs isn't correct. Their dimming is done with pulse-width modulation, which turns the backlight on and off at about 200 Hz, which we can subliminally perceive. This flicker causes such symptoms in sensitive individuals as headaches, eye pain, dizziness ... More about it on this site: http://vasyafromukraine.webs.com/
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