A large-screen autostereoscopic display enables life-size realistic communication. In this study, we propose the tiling of
frameless multi-view display modules employing flat-panel displays. A flat-panel multi-view display and an imaging
system with a magnification greater than one are combined to construct a multi-view display module with a frameless
screen. The module screen consists of a lens and a vertical diffuser to generate viewpoints in the observation space and
to increase the vertical viewing zone. When the modules are tiled, the screen lens should be appropriately shifted to
produce a common viewing area for all modules. We designed and constructed the multi-view display modules, which
have a screen size of 27.3 in. and a resolution of 320 × 200. The module depth was 1.5 m and the number of viewpoints
was 144. The viewpoints were generated with a horizontal interval of 16 mm at a distance of 5.1 m from the screen. Four
modules were constructed and aligned in the vertical direction to demonstrate a middle-size screen system. The tiled
screen had a screen size of 62.4 in. (589 mm × 1,472 mm). The prototype system can display almost human-size objects.
A multi-view display module using microelectromechanical system (MEMS) projectors is proposed to realize ultra-large screen autostereoscopic displays. The module consists of an array of MEMS projectors, a vertical diffuser, and a lenticular lens. All MEMS projectors having different horizontal positions project images that are superimposed on the vertical diffuser. Each cylindrical lens constituting the lenticular lens generates multiple three-dimensional (3D) pixels at different horizontal positions near its focal plane. Because the 3D pixel is an image of a micro-mirror of the MEMS projector, the number of 3D pixels in each lens is equal to the number of MEMS projectors. Therefore, the horizontal resolution of the module can be increased using more projectors. By properly modulating lasers in the MEMS projector, the horizontal positions of dots constituting a projected image can be altered at different horizontal scan lines. By increasing the number of scan lines corresponding to one 3D pixel, the number of views can be increased. Because the module has a frameless screen, a number of modules can be arranged two-dimensionally to obtain a large screen. The prototype module was constructed using four MEMS projectors. The module had a 3D resolution of 160 × 120 and provided 64 views. The screen size was 14.4 inches.