Patent ID: 9514686
Filing Date: 2016-12-06
CPC Classification: G09G

Claim Text:
1. An organic light emitting display device comprising: a display panel including a plurality of pixels formed adjacent to crossing areas of a plurality of gate lines and, a plurality of data lines, and a plurality of sensing lines provided in parallel to the plurality of data lines, each sensing line, each gate line, and each data line connected with one or more pixels of the plurality of pixels; and a data driver provided with a sensing data generator for sensing a characteristic variation of a pixel through a corresponding sensing line, wherein the sensing data generator includes a sensing unit connected with the sensing line for generating sensing data based on the characteristic variation of the pixel during a sensing mode of the display device, wherein the sensing unit includes a current-to-voltage converter, which is connected with the sensing line, for converting a current from the pixel to the sensing line into a voltage and outputting the voltage, and an analog-to-digital converter for converting the output voltage of the current-to-voltage converter to a digital representation, and generating the sensing data for the pixel, and wherein the current-to-voltage converter includes: