Driving method and driving system for digital microfluidic chip
AssigneesBeijing Boe Optoelectronics Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.
InventorFeng Long
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Abstract
A driving method for a digital microfluidic chip, the digital microfluidic chip including a first electrode and a second electrode that are adjacent, the driving method including: applying a first driving signal to the first electrode and a second driving signal to the second electrode, wherein an applying period of the first driving signal and an applying period of the second driving signal are mutually staggered, and a total time length of the applying period of the first driving signal is less than a total time length of the applying period of the second driving signal.
Claims15
A driving method for a digital microfluidic chip, the digital microfluidic chip including a first electrode and a second electrode that are adjacent, the driving method comprising:
- applying a first driving signal to the first electrode and a second driving signal to the second electrode,
- controlling an applying period of the first driving signal and an applying period of the second driving signal are mutually staggered,
- wherein a total time length of the applying period of the first driving signal is less than a total time length of the applying period of the second driving signal, wherein the driving method further comprises:
- detecting a contact angle of a droplet;
- and
- determining, at the beginning of the applying period of the first driving signal, a characteristic of the first driving signal according to the detected contact angle, wherein the characteristic includes at least one of a time length, a duty ratio, and a frequency in the applying period.
A driving method for a digital microfluidic chip, the digital microfluidic chip including a first electrode and a second electrode for controlling a movement of a droplet, the driving method comprising:
- applying a first driving signal to the first electrode during an applying period of a first driving signal;
- applying a second driving signal to the second electrode during an applying period of a second driving signal;
- detecting a contact angle of the droplet;
- and
- determining a characteristic of the first driving signal and second driving signal according to the contact angle, wherein the characteristic includes at least one of a time length, a duty ratio, and a frequency,
- wherein the first driving signal and the second driving signal are determined based on the contact angle of the droplet,
- wherein a total time length of the applying period of the first driving signal is less than a total time length of the applying period of the second driving signal.
A driving system for a digital microfluidic chip, the digital microfluidic chip including a first electrode and a second electrode for controlling a movement of a droplet, wherein the system comprises:
- a controller configured to applying a first driving signal to the first electrode during an applying period of the first driving signal and applying a second driving signal to the second electrode during an applying period of the second driving signal;
- wherein the first driving signal and second driving signal are determined based on a contact angle of the droplet,
- wherein a total time length of the applying period of the first driving signal is less than a total time length of the applying period of the second driving signal,
- wherein the driving system further comprises:
- a contact angle detecting device configured to detect the contact angle of the droplet,
- and the controller is configured to determine a characteristic of the first driving signal and second driving signal according to the contact angle detected by the contact angle detecting device in real time, wherein the characteristic includes at least one of a time length, a duty ratio, and a frequency.
Dependencies are inferred from the claim text.