Xiaomi explains more about how its under-screen camera works

Re:Xiaomi explains more about how its under-screen camera works by iguy on Sunday June 09, 2019 @08:20AM (#20138733)

Does the screen have to be off where the camera is located?

I haven't dug deep but the few videos I saw showed a black bar covering the camera while it was in use (and bright colors when not).

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Re:Xiaomi explains more about how its under-screen camera works by ginko on Sunday June 09, 2019 @08:25AM (#20138744)

I guess depending on how fast the camera is they could turn off the screen for a fraction of a second in between frames to take a picture. Not sure if that's feasible atm though.

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Re:Xiaomi explains more about how its under-screen camera works by phire on Sunday June 09, 2019 @09:17AM (#20138983)

That could actually work. They already make low persistence OLED displays for use in VR, where the screen stays black for most of the frame and a bright bar of image rolls down the screen.

The iPhone can already operate in this mode.

I assume there is a display brightness penalty, but the image quality from the camera should be fine as long as it gets more than half the frame collecting light.

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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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