Systems and methods of reducing hysteresis for display component control and improving parameter extraction

An electronic device comprising:

• an electronic display comprising a plurality of regions across the electronic display, wherein each region of the plurality of regions comprises a first organic light emitting diode (OLED) pixel configured generate an image on the electronic display;
• and
• a controller configured to apply control signals to the first OLED of each region of the plurality of regions, wherein the controller is configured to:
• apply a plurality of first control signals to the plurality of first OLEDs of the electronic display during a prior frame, wherein each first OLED of the plurality of OLEDs receives a respective first control signal of the plurality of first control signals;
• determine a plurality of test gray shift (ΔTG) values, wherein each ΔTG value of the plurality of ΔTG values is based on a respective first control signal of the plurality of first control signals of the prior frame;
• and
• apply a plurality of adjusted test gray (TG) voltages to the plurality of first OLEDs of the electronic display during a test frame, wherein each adjusted TG voltage of the plurality of adjusted TG voltages comprises a respective sum of a respective ΔTG value of the plurality of ΔTG values and a base TG voltage, wherein the plurality of adjusted TG voltages is configured to compensate for variations in the plurality of first control signals during the prior frame.

A non-transitory, computer-readable medium comprising executable instructions for a processor of an electronic device, the executable instructions comprising instructions to:

• apply a plurality of gate-to-source voltage (VGS) signals to a plurality of components of an electronic display of the electronic device, wherein each component of the plurality of components receives a respective VGS signal of the plurality of VGS signals during a prior frame;
• determine a test gray voltage shift (ΔTG) value for each component of the plurality of components based on the respective VGS signal of the prior frame;
• and
• apply a plurality of adjusted test gray (TG) voltages to each component of the plurality of components during a test frame, wherein the plurality of adjusted TG voltages for each component of the plurality of components comprises a first sum of the ΔTG value for the respective component and a first test gray (TG1) voltage, a second sum of the ΔTG value for the respective component and a second test gray (TG2) voltage, and a third sum of the ΔTG value for the respective component and a third test gray (TG3) voltage, wherein the plurality of adjusted TG voltages is configured to compensate for variations in the plurality of VGS signals during the prior frame.