Single View Autostereoscopic Displays

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Autostereoscopic displays get their name from the fact that glasses are not required in order to view the stereoscopic 3D images. They range in size from 15" LCDs to 50" plasma screens.

Most personal viewing autostereoscopic screens require the viewer to place their head in a specific place (known as the sweet-spot) so that they can see the 3-D effect properly. They are designed for one person to view the screen at a time (although it is sometimes possible to have up to three viewers). These screens are well suited to applications such as:

•	3D design & modeling
•	3D data visualisation
•	Interactive visualisation
•	3D photo/video viewing

Using the correct graphics card and settings, nearly all stereo-enabled software is capable of running on these screens without modification.

Autostereo Personal viewing screens currently on the market: (follow links for more info.)

IRIS-3D

High quality autostereoscopic display delivering 1600x1200 resolution to each eye.

Sharp Actius AL3DU

AL3D - new high-end autostereoscopic notebook.

Dimension Technologies Inc - Virtual Window 19

The only commercially available large screen 2D/3D switchable display in the world.

SeeReal Autostereoscopic Displays

18" SXGA autostereoscopic LCD displays with eye tracking.

The IRIS-3D screen, released in 2004, is a high-end autostereo screen offering 1600x1200 resolution. It works using an internal projection system and a concave mirror and eliminates the cross-talk (ghosting) associated with some other stereoscopic viewing devices.

The RD3D and DTI screens use a parallax barrier device that creates the illusion of 3D by showing your left eye the even pixel columns and your right eye the odd ones. They can both also work as normal 2D displays - see below for an explanation.

How the parallax barrier works in 3-D and 2-D modes

SeeReal offer a range of LCD screens up to 20" and a high-resolution image (1600 x 1200). Their range includes eye-tracked models which allow the viewer to move their head without losing the 3D image. SeeReal's screens cannot be switched into standard 2D mode.

If you have any questions on autostereoscopic displays then please call +44 (0)20 7613 5004 or email inition@inition.co.uk. We have a wide range of 3D screens available to view in our central London demo studio. Please contact us to arrange an appointment.

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