Patent ID: 11869447
Assignee: LG DISPLAY CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 15:
16. A method of driving the light emitting display device of claim 1, the light emitting display device comprising the display panel configured to display the image, and the data driver having the panel driving circuit configured to drive the display panel, and the panel sensing circuit configured to sense the display panel, the method comprising:
applying a sensing voltage to a data line of a sub-pixel of a plurality of subpixels to be sensed and a black data voltage to a data line of a sub-pixel of the plurality of subpixels that is not to be sensed to sense the display panel; and
applying a pre-charge voltage to a reference line of the sub-pixel to be sensed,
wherein the pre-charge voltage is a voltage output from one of a plurality of data voltage output circuits included in the panel driving circuit.