Touch display driving circuit, driving method and display device

摘要

The present invention provides a touch display driving circuit, a driving method and a display device. The touch display driving circuit comprises a data writing control unit, a storage unit, a touch sensing unit, a driving compensation control unit, a driving unit, a light-emitting control unit and a light-emitting unit. The data writing control unit is used for controlling a voltage signal of a data line, the storage unit is used for providing a voltage for the driving unit, the light-emitting, control unit is used for controlling the light-emitting unit, the driving unit is used for providing a touch detecting current and a driving current, the driving compensation control unit is used for compensating a voltage value of the storage unit, and the touch sensing unit is used for outputting the touch detecting current and changing the voltage value of the storage unit.

主权项

1. A touch display driving circuit, comprising a data writing control unit, a storage unit, a touch sensing unit, a driving compensation control unit, a driving unit, a light-emitting control unit and a light-emitting unit, wherein
the data writing control unit is used for controlling a voltage signal of a data line to be written into the storage unit; the storage unit is used for providing a voltage for the driving unit; the light-emitting control unit is used for controlling the light-emitting unit to emit light; the driving unit is used for providing a touch detecting current in a touch detecting stage and providing a driving current for the light-emitting unit in a light-emitting stage; the driving compensation control unit is used for compensating a voltage value of the storage unit; and the touch sensing unit is used for outputting the touch detecting current in the touch detecting stage and changing the voltage value of the storage unit when no touch occurs in the touch detecting stage, wherein the data writing control unit is connected with the storage unit through a second node; the storage unit is connected with the driving unit through a first node; the driving unit is connected with the light-emitting control unit through a fourth node; the light-emitting control unit is connected with the light-emitting unit through a fifth node; the driving compensation control unit is connected with both ends of the storage unit through the first node and the second node, respectively; the driving compensation control unit is connected with the driving unit through the first node and the fourth node, respectively; and the touch sensing unit is connected with the driving unit through a third node, the first node and the fourth node, respectively.