Capacitance gap calibration

Details Capacitance gap calibration Capacitance gap calibration

2007-07-10

2007-07-10

Toatley, Jr., Gregory J. (Department: 2877)

Optics: measuring and testing

By light interference

For dimensional measurement

C356S519000

Reexamination Certificate

active

11214698

ABSTRACT:
A method for calibrating a display device comprises controlling an applied voltage to at least one fabry-perot interferometer pixel through a plurality of switches. The at least one fabry-perot interferometer pixel has a top and a bottom plate defining a gap therebetween wherein the at least one fabry-perot interferometer pixel produces a selected output color in response to the applied voltage. The method further includes controlling a test voltage to the at least one fabry-perot interferometer pixel through the plurality of switches during a calibration sequence to determine a gap capacitance in the at least one fabry-perot interferometer. The gap capacitance represents the relative position of the top plate with respect to the bottom plate.

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