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A comment on Xiaomi explains more about how its under-screen camera works. Parent comment

Re:Xiaomi explains more about how its under-screen camera works by baybal2 on Sunday June 09, 2019 @09:19AM (#20138993)
I think it's quite real with OLED. But even with screen on, if you use a specialised CCD with huge dynamic range, I think it's doable.
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