Optical: systems and elements – Optical modulator – Light wave temporal modulation
Reexamination Certificate
2005-05-10
2005-05-10
Sugarman, Scott J. (Department: 2873)
Optical: systems and elements
Optical modulator
Light wave temporal modulation
C359S222100
Reexamination Certificate
active
06891658
ABSTRACT:
A reflective display having a plurality of approximately hemispherical high refractive index (η1) transparent hemi-beads substantially covering and protruding inwardly from a transparent sheet's inward surface. The transparent sheet, which has an outward viewing surface, has a refractive index (η2) which can be low (i.e. η1≈1.92 and η2≈1.59). A member is selectably moved into an intense evanescent wave region at the hemi-beads' inward side to selectably frustrate substantial total internal reflection of light rays. The member can be a plurality of light scattering particles suspended in a low refractive index (η3≈1.27) electrophoresis medium and electrophoretically moved into or out of the intense evanescent wave region.
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Mossman Michele Ann
Whitehead Lorne A.
Hanig Richard
Oyen Wiggs Green & Mutala
Sugarman Scott J.
The University of British Columbia
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