Micro total analysis system and method

A micro-total analysis method, comprising:

• accommodating a liquid to be detected in a microfluidic device;
• forming a first light irradiated to the microfluidic device;
• and
• detecting the liquid to be detected and outputting a detection signal to obtain detection information,
• wherein the microfluidic device comprises a first base substrate and a second base substrate opposite to each other,
• the detection unit is located on a side of the first base substrate close to the second base substrate or on a side of the first base substrate away from the second base substrate, and
• the optical unit is located on a side of the second base substrate away from the first base substrate,
• wherein the microfluidic device comprises a first electrode located on the side of the first base substrate close to the second base substrate, and a second electrode located on a side of the second base substrate close to the first base substrate,
• the first electrode comprises a plurality of first sub-electrodes insulated from each other, each of the plurality of first sub-electrodes is connected with a first thin film transistor,
• wherein an orthographic projection of the optical unit on the first base substrate overlaps with an orthographic projection of the first electrode on the first base substrate,
• the plurality of first sub-electrodes are arranged in an array in a row direction and in a column direction;
• the second electrode comprises a plurality of second sub-electrodes insulated from each other, an orthographic projection of each of the plurality of second sub-electrodes on the first base substrate overlaps with an orthographic projection of a row of the first sub-electrodes on the first base substrate, the plurality of second sub-electrodes are arranged in the column direction, and each of the plurality of second sub-electrodes extends in the row direction,
• any two adjacent ones of the plurality of first sub-electrodes arranged in the row direction have a first interval, any two adjacent ones of the plurality of first sub-electrodes arranged in the column direction have a second interval, and any two adjacent ones of the plurality of second sub-electrodes are provided with a third interval.

A micro-total analysis system, comprising:

• a microfluidic device, configured to accommodate a liquid to be detected;
• an optical unit, configured to form a first light irradiated to the microfluidic device;
• and
• a detection unit, configured to detect the liquid to be detected and output a detection signal to obtain detection information,
• wherein the microfluidic device comprises a first base substrate and a second base substrate opposite to each other,
• the detection unit is located on a side of the first base substrate close to the second base substrate or on a side of the first base substrate away from the second base substrate, and
• the optical unit is located on a side of the second base substrate away from the first base substrate,
• wherein the microfluidic device comprises a first electrode located on the side of the first base substrate close to the second base substrate, and a second electrode located on a side of the second base substrate close to the first base substrate,
• the first electrode comprises a plurality of first sub-electrodes insulated from each other, each of the plurality of first sub-electrodes is connected with a first thin film transistor, and
• a space between the first base substrate and second base substrate is configured to accommodate the liquid to be detected,
• wherein the plurality of first sub-electrodes are arranged in an array in a row direction and in a column direction;
• the second electrode comprises a plurality of second sub-electrodes insulated from each other, an orthographic projection of each of the plurality of second sub-electrodes on the first base substrate overlaps with an orthographic projection of a row of the first sub-electrodes on the first base substrate, the plurality of second sub-electrodes are arranged in the column direction, and each of the plurality of second sub-electrodes extends in the row direction,
• any two adjacent ones of the plurality of first sub-electrodes arranged in the row direction are spaced apart from each other, any two adjacent ones of the plurality of first sub-electrodes arranged in the column direction are spaced apart from each other, and any two adjacent ones of the plurality of second sub-electrodes are spaced apart from each other.