Accumulated usage data of each pixel of the correction circuit is divided into a plurality of data portions, each of which is stored in a different storing means. For example, the accumulated usage data is divided into the upper bit and the lower bit to be stored separately, and the upper bit of the accumulated usage data is obtained by adding the upper bit to a half carry generated by the calculation of the lower bit of the accumulated usage data. A degradation coefficient selected based on the thus obtained accumulated usage data is multiplied by video data to obtain corrected video data. The invention also provides a control circuit of a display device integrated with such a correction circuit.


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> Organic memory devices including organic material and fullerene layers

> Organic light emitting display device

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