data voltages to the plurality of pixels respectively sensing at least one characteristic of a driving point of the light emitting element in each of the pixels and a threshold voltage of the light emitting element during at least one of light emission and non emission periods of the light emitting element and generating compensated data for the light emitting element using the sensed characteristic application_number US 201514858758 A description reference will now be made in detail to the preferred embodiments of the present invention examples of which are illustrated in the accompanying drawings fig2 is a block diagram illustrating an organic light emitting display device according to the present invention the organic light emitting display device according to all the embodiments of the present invention are operatively coupled and configured the organic light emitting display device illustrated in fig2 includes a panel driving unit including a data driver 104 a scan driver 107 and a timing controller 10 and a light emitting display panel 102 the timing controller 108 generates a plurality of control signals to control respective drive timings of the scan driver 106 and data driver 104 the control signals generated by the timing controller 108 include a scan control signal to control driving timing of the scan driver 106 and a data control signal to control driving timing of the data driver 104 the timing controller 108 also stores sensing data sdata input from the data driver 104 and compensation values determined based on the sensing data sdata in a memory including a plurality of lookup tables using the compensation values the timing.