Projector and display manufacturer ViewSonic has revealed plans to debut a smartphone with iris recognition, amid rumours that a major handset manufacturers is planning to incorporate the technology.The ViewSonic V55 will feature a hidden iris scanner that's enabled when the user slides open a small cover, with the authentication also used to protect files and folders inside the device as well as unlock the phone.ViewSonic is expected to launch the device, which also features a 64-bit Snapdragon 410 quad-core processor clocked at 1.4GHz with 2GB RAM and a 13MP Sony camera, sometime in January.Industry insiders have speculated since mid-2013 that the Samsung's Galaxy range will incorporate an iris scanner, with the Galaxy S6 due to be released this year the latest candidate.Earlier this week, Indian biometrics expert Nandan Nilekani predicted hat budget smartphones using iris scanners could become an important authentication tool for his country's biometric Aadhar unique ID number project.