In recent years. fingerprint recognition has become more and more widely used in mobile phones. A fingerprint recognition device hidden under an opaque display panel designed based on a waveguide and frustrated total internal reflection (FTIR) is proposed and demonstrated herein. In order to meet the demand for a high screen ratio for mobile phone displays. https://www.jmannino.com/mega-choice-Rose-Gold-Herringbone-iPhone-13-Pro-MagSafe-Case-p93485-limited-save/