Display device and display driving method
AssigneeLG Display Co., Ltd.
InventorsJaesung PARK, SeongHwan HONG
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Abstract
Embodiments of the disclosure relate to a display device and a display driving method. Specifically, there may be provided a display device comprising a display panel having a plurality of subpixels, a gate driving circuit supplying a plurality of scan signals to the display panel through a plurality of gate lines, a data driving circuit supplying a plurality of data voltages to the display panel through a plurality of data lines, a power management circuit supplying a plurality of driving voltages to the gate driving circuit and the data driving circuit, and a timing controller controlling the power management circuit to change a level of a gate voltage applied to the gate driving circuit according to an output state of the gate driving circuit.
Claims16
A display device, comprising:
- a display panel including a plurality of subpixels;
- a gate driving circuit configured to supply a plurality of scan signals to the display panel through a plurality of respective gate lines;
- a data driving circuit configured to supply a plurality of data voltages to the display panel through a plurality of respective data lines;
- a power management circuit configured to supply a plurality of driving voltages to the gate driving circuit and the data driving circuit;
- and
- a timing controller configured to control the power management circuit to change a level of a gate voltage applied to the gate driving circuit according to an output state of the gate driving circuit.
A method for display driving, comprising:
- setting a test gate voltage;
- detecting a sensing voltage for a characteristic value of a subpixel disposed on a display panel;
- determining whether the sensing voltage corresponds to a multi-output value;
- setting the test gate voltage as an error gate voltage in response to the sensing voltage is determined to correspond to the multi-output value;
- determining a stable gate voltage;
- and
- applying the stable gate voltage to a gate driving circuit.
Dependencies are inferred from the claim text.