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.
Patent No.:
Date of Patent:
Oct. 27, 2020
Filed:
May. 29, 2018
Sharp Life Science (Eu) Limited, Oxford, GB;
Benjamin James Hadwen, Oxford, GB;
Oliver James Beard, Oxford, GB;
Sharp Life Science (EU) Limited, Oxford, GB;
Abstract
An AM-EWOD device includes a plurality of array elements arranged in an array of rows and columns, each of the array elements including array element circuitry, an element electrode, and a reference electrode. The array element circuitry includes actuation circuitry that applies actuation voltages to the element and reference electrodes, and impedance sensor circuitry that senses impedance at the array element electrode to determine a droplet property at the array element. At least one component of the impedance sensor circuitry is a shared component that is shared between more than one of the array elements. The shared component may include a shared sensor readout transistor that passes a sensor current to a sensor output line, or a shared reset transistor that applies a reset voltage to a gate of the shared sensor readout transistor, with such components being shared by array elements in adjacent rows. The shared component may include a shared sensor output column line that is shared between array elements in adjacent columns.