Thread: Forma Couldn't detect screen flickering on Kobo Forma. Does it mean no PWM?
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Old 01-23-2019, 07:37 PM   #2
DNSB
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Quote:
Originally Posted by rbyl View Post
As a result, I couldn't see any flickering at all. Does it mean there is no PWM?

Part of me says I could be one of those fortunate to get non-defective unit.
If Kobo is using PWM which is very likely since it does have several advantages, the question becomes what is the frequency at which the PWM operates. The last device (not an ereader) I played with used a 2KHz frequency for it's PWM which is fast enough that I don't think anyone will be noticing it.
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