Pixel circuits for light emitting elements to mitigate degradation

A circuit for driving a plurality of light emitting elements, comprising:

• a plurality of pixel circuits, each of the plurality of pixel circuits configured to drive one of a plurality of light emitting elements arranged in a plurality of rows and a plurality of columns and comprising:
• a pixel driver configured to receive a data signal and drive a light emitting element based on the data signal;
• a first power signal coupled to an anode of the light emitting element through the pixel driver;
• a second power signal coupled to a cathode of the light emitting element;
• and
• a third power signal coupled to the light emitting element, a value of the third power signal being lower than a positive power supply voltage, wherein:
• the second power signal is configured to vary based on the data signal,
• in a first period of the data signal, a value of the second power signal is lower than a value of the first power signal, and
• in a second period of the data signal, the value of the first power signal is equal to the value of the third power signal and the value of the second power signal is higher than the value of the first power signal.

A circuit for driving a light emitting element, comprising:

• an alternating current (AC) power source circuit comprising a first power circuit configured to output a first power signal and a second power circuit configured to output a second power signal, wherein:
• the first power signal ranges between a first high power value and a first low power value, the first high power value being greater than the first low power value, the first high and low power values being equal to or greater than zero;
• the second power signal ranges between a second high power value and a second low power value, the second high power value being greater than the second low power value, the second high and low power values being lower than or equal to zero;
• and
• a power swing value of the AC power source circuit is equal to a difference between the first high power value and the second low power value, the difference being equal to or greater than a driving voltage across the light emitting element.