Large-area optical fingerprint sensors for next generation smartphones
- Akkerman, Hylke
- Peeters, Bart
- Tordera, Daniel
- van Breemen, Albert
- Shanmugam, Santhosh
- Malinowski, Paweł
- Maas, Joris
- De Riet, Joris
- Verbeek, Roy
- Bel, Thijs
- De Haas, Gerard
- Hermes, Dorothee
- Del, Sepideh Khandan
- Kronemeijer, Auke Jisk
- Gelinck, Gerwin
DOIAbstract
We present large-area photodetector arrays in combination with a thin-film optical collimator for under-display fingerprint authentication in next-generation smartphones. The fabrication is compatible with flat panel display processes and based on an oxide TFT backplane with a printed organic photodiode frontplane. The functionality behind an AMOLED display is demonstrated
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