| http://www.w3.org/ns/prov#value | - The display device of claim 3 wherein the beam is an optical beam and further comprising:(a) at least one membrane interposed between the first substrate and the electrooptic material, (b) a first transparent electrode disposed between the membrane and the electrooptic material, (c) an optical blocking layer disposed between the second substrate and the electrooptic material, and (d) a second tran
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