Optical: systems and elements – Optical modulator – Light wave temporal modulation
Reexamination Certificate
2011-08-16
2011-08-16
Lester, Evelyn A. (Department: 2873)
Optical: systems and elements
Optical modulator
Light wave temporal modulation
C359S224200, C359S292000, C359S295000, C359S298000, C359S316000, C345S108000, C345S085000, C348S770000, C348S771000
Reexamination Certificate
active
07999995
ABSTRACT:
A full color range analog controlled interferometric modulation device is provided. The device includes a transparent substrate, and a transparent fixed-position electrically conductive electrode with a bottom surface overlying the substrate. A transparent spacer overlies the fixed-position electrode, and an induced absorber overlies the spacer. An optically reflective electrically conductive moveable membrane overlies the induced absorber. A cavity is formed between the induced absorber and the moveable membrane having a maximum air gap dimension less than the spacer thickness. In one aspect, the distance from the top surface of the fixed-position electrode to a cavity lower surface is at least twice as great as the cavity maximum air gap dimension. In another aspect, at least one anti-reflective coating (ARC) layer is interposed between the substrate and the fixed-position electrode, and at least one ARC layer is interposed between the fixed-position electrode and the spacer.
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Hashimura Akinori
Tweet Douglas J.
Voutsas Apostolos T.
Law Office of Gerald Maliszewski
Lester Evelyn A.
Maliszewski Gerald
Sharp Laboratories of America Inc.
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