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by TMSZ
3249 days ago
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Not necessary much higher. I've measured screen flickering in Lenovo T500 (probably one of the oldest laptops with LED backlight) with small solar cell and oscilloscope and it's 220Hz, with lowest brightness setting only 100Hz (although this brighness level is not too useful):
http://commonemitter.blogspot.com/2017/06/lenovo-t500-measur... |
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