A Hidden Fingerprint Device on an Opaque Display Panel

A Hidden Fingerprint Device on an Opaque Display Panel

Blog Article

In recent years, fingerprint recognition has become more and more widely used in mobile phones.A fingerprint recognition device hidden under an empire bump hair 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, we use a symmetrical zoom-in and zoom-out coupler design.With this comprehensive coupler and waveguide stubby mtl kit design, not only can fingerprint recognition be achieved using an opaque display panel, but it also meets the appearance requirements for a mobile phone with a high screen ratio.