Display panel driving circuit, driving method thereof, and display device
AssigneesBoe Technology Group Co., Ltd., Beijing Boe Optoelectronics Technology Co., Ltd.
InventorZhaohui Meng
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Abstract
Embodiments of the present invention provide a driving circuit for a display panel which comprises a plurality of pixel units defined by intersected gate lines and data lines and arranged in a matrix form, a driving method of a display panel driving circuit and a display device, relating to the field of display technology. The display panel driving circuit includes pixel charging units, each of which is used for combining voltages outputted from a clock pulse vertical terminal and a data voltage signal terminal to serve as a driving voltage for a data line to increase the charging voltage of pixel units, so that the charging time is shortened, and the capability of driving a display panel load can be enhanced.
Claims12
A display panel driving circuit, wherein the display panel comprises a plurality of pixel units defined by intersected gate lines and data lines and arranged in a matrix form, and the display device driving circuit comprises pixel charging units, each of which is used for combining a voltage outputted from a clock pulse vertical terminal and a voltage outputted from a data voltage signal terminal to serve as a driving voltage for a data line;
- wherein each of the pixel charging units comprises:
- a pixel charging switch with a first electrode connected with the clock pulse vertical terminal and a gate connected with the data voltage signal terminal;
- and
- an adder with an input terminal connected with the data voltage signal terminal and a second electrode of the pixel charging switch respectively, and an output terminal connected with the data line.
A display device, comprising a display panel driving circuit, wherein the display panel comprises a plurality of pixel units defined by intersected gate lines and data lines and arranged in a matrix form, and the display device driving circuit comprises pixel charging units, each of which is used for combining a voltage outputted from a clock pulse vertical terminal and a voltage outputted from a data voltage signal terminal to serve as a driving voltage for a data line;
- wherein each of the pixel charging units comprises:
- a pixel charging switch with a first electrode connected with the clock pulse vertical terminal and a gate connected with the data voltage signal terminal;
- and
- an adder with an input terminal connected with the data voltage signal terminal and a second electrode of the pixel charging switch respectively, and an output terminal connected with the data line.
A driving method of a display panel driving circuit, wherein the display panel comprises a plurality of pixel units defined by intersected gate lines and data lines and arranged in a matrix form, and the drive method comprises steps of:
- inputting voltage signals outputted from a clock pulse vertical terminal and a data voltage signal terminal to a pixel charging unit;
- combining, by the pixel charging unit, voltages outputted from the clock pulse vertical terminal and the data voltage signal terminal to serve as a driving voltage for a data line;
- and
- combining the voltages outputted from the clock pulse vertical terminal and the data voltage signal terminal by an adder to serve as the driving voltage for the data line when a pixel charging switch is turned on.
Dependencies are inferred from the claim text.