The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 08, 2022

Filed:

Feb. 28, 2019
Applicant:

The Regents of the University of Colorado, Denver, CO (US);

Inventors:

Juliet T. Gopinath, Boulder, CO (US);

Victor M. Bright, Boulder, CO (US);

Mo Zohrabi, Boulder, CO (US);

Omkar D. Supekar, Boulder, CO (US);

Robert H. Cormack, Erie, CO (US);

Wei Yang Lim, Boulder, CO (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 26/00 (2006.01); G02B 3/12 (2006.01); G02B 3/14 (2006.01);
U.S. Cl.
CPC ...
G02B 26/005 (2013.01); G02B 3/12 (2013.01); G02B 3/14 (2013.01); G02B 2207/115 (2013.01);
Abstract

A tunable optical electrowetting element having a liquid-liquid interface shape controlled by an applied voltage. Circuitry for applying a voltage to the electrowetting element is configured to apply a shaped voltage signal comprising a first fast-rising signal combined with a second fast-rising signal. The second signal is selected to damp oscillations in the liquid-liquid interface caused by the first signal.


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