| http://www.w3.org/ns/prov#value | - One preferred way for the barrier structure to inhibit the propagation of light from one of the light-emissive regions to the other is for said structure to act as a mirror, so that radiation is redirected, either to leave the device in the viewing direction, or else back towards the pixel from which it was emitted (from where it may be directed towards the viewer, by scattering or other processes
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