Mobile World Congress (MWC) 2018 has concluded and major smartphone vendors at the event have unveiled their smartphone lineup for this year, revealing the development trends in smartphone technology and specifications. According to WitsView, a division of TrendForce, full-screen smartphones will become the trend in market this year. The pursuit of narrower bezels and notch designs has emerged, bringing about solutions of under-display fingerprint sensor and applications combining camera modules and facial recognition.

3D facial recognition has come into the spotlight after Apple’s introduction of Face ID in the iPhone X. Companies in the supply chain have also become the new focuses of inestors. In fact, 3D sensing technology has been around for years, but did not have commercial applications of facial recognition in smartphones until 2017. The reasons why it happened in 2017 can be explained in terms of components, modules andsubsystems, computing and systems, end-devices and applications.