Method and device for driving microfluidic chip, and microfluidic system
AssigneesBeijing Boe Optoelectronics Technology Co., Ltd., Boe Technology Group Co., Ltd.
InventorChengqian Li
Life of this patent
Estimating the term…
Abstract
The present disclosure discloses a method for driving a microfluidic chip including controlling a first electrode that currently carries a droplet to be electrically connected to a first power supply by a first switch circuit connected to the first electrode; after controlling the first electrode to be in electrical connection to the first power supply for a first period of time, controlling the first electrode to be in electrical connection to a second power supply for a second period of time; and after the second period of time, continuing to control the first electrode to keep disconnected from two power supplies.
Claims20
A method for driving a microfluidic chip, applicable to a device for driving a microfluidic chip, wherein the microfluidic chip comprises a droplet and a plurality of electrodes;
- the device for driving the microfluidic chip comprises a plurality of switch circuits one-to-one corresponding to the plurality of electrodes, each of the switch circuits having an input connected to the electrode corresponding to the switch circuit, and outputs connected to a first power supply and a second power supply respectively;
- and the method comprises:
- controlling, by a first switch circuit in the plurality of switch circuits, a first electrode connected to the first switch circuit to be electrically connected to the first power supply, the first electrode being an electrode currently carrying the droplet;
- after controlling the first electrode to be in electrical connection to the first power supply for a first period of time, controlling, by the first switch circuit, the first electrode to be electrically connected to the second power supply, and controlling, by a second switch circuit connected to a second electrode, the second electrode to be electrically connected to the first power supply, such that the droplet moves onto the second electrode, the second electrode being an electrode adjacent to the first electrode;
- and
- after controlling the first electrode to be in electrical connection to the second power supply for a second period of time, controlling, by the first switch circuit, the first electrode to keep disconnected from two power supplies, the two power supplies being the first power supply and the second power supply respectively.
A device for driving a microfluidic chip, wherein the microfluidic chip comprises a droplet and a plurality of electrodes;
- the device comprises a plurality of switch circuits one-to-one corresponding to the plurality of electrodes;
- each of the switch circuits has an input connected to the electrode corresponding to the switch circuit, and outputs connected to a first power supply and a second power supply respectively;
- and
- each of the switch circuits is configured to control a electrode connected thereto to be electrically connected to the first power supply or the second power supply, or is configured to control the electrode connected thereto to keep disconnected from the first power supply and the second power supply.
Dependencies are inferred from the claim text.