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Why Under-Display Fingerprint Sensors Require OLED?

Carl Fredrik Ahl
in Engineering

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Possibly because the display elements in OLEDs are active light -emitting components and can act as sensors.
While the display elements in LED/LCD panels are liquid crystal 'shutters' with either LED or fluorescent backlighting.

I'll have to look into it.

  • Author
5 hours ago, Strange said:
!

Moderator Note

Interesting question. I am going to move it to Engineering as it might get some more attention there...

 

Thx :)

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