Pixel circuit, driving method for the pixel circuit, display substrate and display apparatus

Pixel circuit, driving method for the pixel circuit, display substrate and display apparatus

  • CN 105,185,306 A
  • Filed: 09/18/2015
  • Published: 12/23/2015
  • Est. Priority Date: 09/18/2015
  • Status: Active Application
First Claim
Patent Images

1. an image element circuit, is characterized in that, comprising:

  • driver module, capacitance module, threshold voltage compensation and light emitting control module, electroluminescent module, data voltage writing module and reseting module, and has some input ends;

    Wherein,Described driver module connects first node, Section Point and operating voltage input end, is suitable for producing corresponding drive current according to the difference between the voltage of first node and the operating voltage of operating voltage input end input with the difference of the threshold voltage of driver module and outputting to Section Point;

    Described threshold voltage compensation and light emitting control model calling at least two control signal input ends and an initialization voltage input end, and connect described first node, described Section Point and described electroluminescent module, be suitable for described at least two control signal input ends level be combined as the first level combinations time, by the voltage compensation of described first node be the threshold voltage of described driver module and described operating voltage and;

    Described at least two control signal input ends level be combined as second electrical level combination time, described first node is shorted to described initialization voltage input end and initialization is carried out to described first node;

    Described at least two control signal input ends level be combined as three level combination time, the electric current described driver module being outputted to described Section Point imports to described electroluminescent module;

    Described data voltage writing module connects the 3rd node, data voltage input end and a control signal input end, is suitable for data voltage being written to the 3rd node under the control of connected control signal input end;

    Described reseting module connects the 3rd node, resetting voltage input end and a control signal input end, is suitable for the voltage amplitude of described 3rd node under the control of connected control signal input end;

    One end of described capacitance module connects described first node, and the other end connects described 3rd node.

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