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OPTICAL SYSTEM FOR TWO-DIMENSIONAL EXPANSION OF AN IMAGE REDUCING GLINTS AND GHOSTS FROM THE WAVEDUIDE
OPTICAL SYSTEM FOR TWO-DIMENSIONAL EXPANSION OF AN IMAGE REDUCING GLINTS AND GHOSTS FROM THE WAVEDUIDE
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机译:二维光学系统的扩张减少闪烁和鬼魂的形象
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摘要
An optical system employs a waveguide including a first set of partially-reflecting surfaces (“facets”) for progressively redirecting image illumination propagating from a coupling-in region towards a second region, and a second set of facets in the second region for progressively coupling-out the redirected image illumination towards the eye of a viewer. The first set of facets includes at least a first facet close to the coupling-in region, a third facet fare from the coupling-in region, and a second facet located on a medial plane between the first and the third facets. The second facet is located in a subregion of the medial plane such that image illumination propagating from the coupling-in region to the third facet passes through the medial plane without passing through the second facet.
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