Thread: Kobo forma screen flickering/pwm issues
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Old 04-29-2019, 07:31 PM   #52
sherman
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Posts: 876
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Join Date: Aug 2008
Location: Taranaki - NZ
Device: Kobo Aura H2O, Kobo Forma
Quote:
Originally Posted by omnimodis78 View Post
So this is the absolute confirmation that it uses PWM. Thanks for that. Did your contact provide some qualitative reasoning as to why Kobo chose to deliberately go with PWM? I'd love to understand the reasoning as, if for no other reason, I'd assume it's turning out to be a PR issue for them.
It's probably cheaper and easier to implement. No need to vary the current and/or voltage with PWM control. Especially if you're software controlling brightness.
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