Aug 19, 2011

Digital Signage Trends: 3D

Despite the fact that 3D displays and projectors are growing in popularity, it was noticeably absent from InfoComm 2011 (though it was featured as a special interest). One of the biggest arguments within the 3D world right now is between active and passive glasses. For the human brain to perceive a three-dimensional image, each eye needs to see a different signal. Active 3D uses glasses with shutters in them. About sixty times a second the shutters close and then open and each eye alternates. Everything is linked to the TV so that the right eye image is displayed while the right eye piece is open on the glasses. Then it switches for the left eye More…