Present invention relates to apparatus and methods for glasses-less 3D display with “unlimited” number of TV viewers and with flexibility for eye positions, the fundament elements of this invention are the introduction of “eye space” and the circuit unit for shutter pupil control on shutter screen. The method is t 3D display, such as TV's, monitors, smart devices (iphone, ipad, . . . ), movie theaters, games, etc. The method-includes “mimic scene method” which is based on image depth map and “dynamic pinhole shutter method”.