DIGITAL MICROFLUIDIC DEVICES INCLUDING DUAL SUBSTRATES WITH THIN-FILM TRANSISTORS AND CAPACITIVE SENSING

An active matrix electrowetting on dielectric (AM-EWoD) device including a top substrate with driving electrodes and capacitive sensing. As depicted herein the bottom substrate includes a first plurality of electrodes to propel various droplets through a microfluidic region, while the top substrate...

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Bibliographic Details
Main Author FRENCH, Ian
Format Patent
LanguageEnglish
French
German
Published 21.07.2021
Subjects
CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
TRANSPORTING
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Summary:An active matrix electrowetting on dielectric (AM-EWoD) device including a top substrate with driving electrodes and capacitive sensing. As depicted herein the bottom substrate includes a first plurality of electrodes to propel various droplets through a microfluidic region, while the top substrate includes a second plurality of electrodes that are configured to interrogate the droplets with capacitive sensing. In some embodiments, the top substrate has zones of high-resolution sensing and zones of low-resolution sensing.
Bibliography:Application Number: EP20180867523