Carl Fredrik Ahl Posted January 23, 2019 Share Posted January 23, 2019 Hi, I've heard that under-display fingerprint sensors require OLED panels. Why is this? 1 Link to comment Share on other sites More sharing options...
MigL Posted January 23, 2019 Share Posted January 23, 2019 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. 2 Link to comment Share on other sites More sharing options...
Strange Posted January 24, 2019 Share Posted January 24, 2019 ! Moderator Note Interesting question. I am going to move it to Engineering as it might get some more attention there... 1 Link to comment Share on other sites More sharing options...
Carl Fredrik Ahl Posted January 24, 2019 Author Share Posted January 24, 2019 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 Link to comment Share on other sites More sharing options...
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