US 12,066,467 B2
EWOD device with sensing apparatus
Christopher James Brown, Uxbridge (GB); and Benjamin James Hadwen, Uxbridge (GB)
Assigned to Sharp Life Science (EU) Limited, Uxbridge (GB)
Appl. No. 17/767,640
Filed by Sharp Life Science (EU) Limited, Uxbridge (GB)
PCT Filed Oct. 22, 2020, PCT No. PCT/EP2020/079799
§ 371(c)(1), (2) Date Apr. 8, 2022,
PCT Pub. No. WO2021/094071, PCT Pub. Date May 20, 2021.
Claims priority of application No. 19205486 (EP), filed on Oct. 25, 2019.
Prior Publication US 2024/0103047 A1, Mar. 28, 2024
Int. Cl. G01R 19/10 (2006.01); B01L 3/00 (2006.01)
CPC G01R 19/10 (2013.01) [B01L 3/502792 (2013.01); B01L 2300/0645 (2013.01); B01L 2300/0663 (2013.01); B01L 2300/161 (2013.01); B01L 2400/0427 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An electro-wetting on dielectric (EWOD) device, comprising:
first and second substrates defining a fluid chamber therebetween; a plurality of electro-wetting electrodes on the first substrate;
at least one first electrode and at least two second electrodes on the second substrate;
and
a current sensor for sensing a difference between (1) a first current flowing between the first electrode and one of the second electrodes via a first fluid package in the fluid chamber of the EWOD device and (2) a second current flowing between the first electrode and another of the second electrodes via a second fluid package in the fluid chamber of the EWOD device.