ADAPTIVE GATE DRIVING FOR HIGH FREQUENCY AC DRIVING OF EWOD ARRAYS

A method of driving an active matrix electrowetting on dielectric device including thin-film-transistors to increase the switching frequency of the propulsion electrodes beyond what is typical for line-by-line active matrix driving. By grouping gate lines and simultaneously driving those gate lines...

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Bibliographic Details
Main Author FRENCH, Ian
Format Patent
LanguageEnglish
Published 19.08.2021
Subjects
ADVERTISING
ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION
CRYPTOGRAPHY
DISPLAY
EDUCATION
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
SEALS
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Summary:A method of driving an active matrix electrowetting on dielectric device including thin-film-transistors to increase the switching frequency of the propulsion electrodes beyond what is typical for line-by-line active matrix driving. By grouping gate lines and simultaneously driving those gate lines as a gate block, a frame update can be completed much faster and, as a consequence, the overall drive frequency at the propulsion electrodes can be increased substantially. The faster drive frequency improves the performance of electrowetting devices, especially when used with aqueous droplets having a high ionic strength.
Bibliography:Application Number: US202117178282