Virtual Retinal Display
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| Virtual Retinal Display |
The Virtual Retinal Display (VRD)
is a personal display device under development at the University
of Washington's Human Interface
Technology Laboratory in Seattle,
Washington USA.
The VRD scans light directly onto the viewer's retina. The viewer perceives a
wide field of view image. Because the VRD scans light directly on the retina,
the VRD is not a screen based technology.
The VRD was invented at the University of Washington in the Human Interface
Technology Lab (HIT) in 1991. The development began in November 1993. The aim
was to produce a full color, wide field-of-view, high resolution, high
brightness, low cost virtual display. Microvision Inc. has the exclusive
license to commercialize the VRD technology. This technology has many potential
applications, from head-mounted displays (HMDs) for military/aerospace
applications to medical society.
The VRD projects a modulated beam
of light (from an electronic source) directly onto the retina of the eye
producing a rasterized image. The viewer has the illusion of seeing the source
image as if he/she stands two feet away in front of a 14-inch monitor. In
reality, the image is on the retina of its eye and not on a screen. The quality
of the image he/she sees is excellent with stereo view, full color, wide field
of view, no flickering characteristics.
You can download Virtual Retinal Display seminar abstract from here.
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