Thread: Libra Kobo Libra H2O - first reviews
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Old 09-15-2019, 01:15 AM   #164
DNSB
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Join Date: Jul 2010
Location: Vancouver
Device: Kobo Sage, Libra Colour, Lenovo M8 FHD, Paperwhite 4, Tolino epos
Quote:
Originally Posted by pinktank View Post
Is there a definite word on the Libra backlight being PWM or not?
The Libra frontlight does not use PWM. Also note that a backlight on an eInk display is not possible since the display is opaque. Though since the Forma uses 1000 Hertz modulation frequency which is well above the 400Hz modulation frequency at which complaints about effects from PWM seem to essentially disappear, it's a matter of indifference to me.
Last edited by DNSB; 09-15-2019 at 01:19 AM.
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