Patent ID: 11935479
Assignee: DB GLOBALCHIP CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 18:
19. The method for driving an organic light-emitting display device of claim 18, wherein the basic sensing unit and the first and second dummy sensing units are in a cascade connection in order of the first dummy sensing unit, the basic sensing unit, and the second dummy sensing unit, and
the performing, by the sensing unit, the sensing operation for external compensation of the display panel comprises in sequence:
performing, by the first dummy sensing unit, a sensing operation on changes in a gain and an offset of the ADC, and performing, by the basic sensing unit, the sensing operation on the driving TFT, and
performing, by the second dummy sensing unit, a sensing operation on changes in a gain and an offset of the ADC.