Integrated charge pump DC/DC conversion circuits using thin film transistors

摘要

A DC/DC conversion circuit for a display panel. The DC/DC conversion circuit converts an input voltage into a boosted voltage, in which first and second charge pump circuits are coupled to first and second clock signals respectively and output a boosted voltage to a load alternately. Under the control of the first and second clock signals, the first charge pump circuit outputs a first signal to disable the output of the second charge pump circuit or the second charge pump circuit output a second signal to disable the output of the first charge pump circuit.