Patent ID: 8154482

Claim:
An organic light emitting display comprising: a display unit having a plurality of pixels for displaying images corresponding to image signals in response to a plurality of scan signals, a plurality of light emitting control signals, and a plurality of data signals; a frame memory having a first portion for storing a first portion of the image signals that is the same in an n−1 th frame and an n th frame and a second portion for storing a second portion of the image signals that is different between the n−1 th frame and the n th frame; a storing unit for storing the first portion of the image signals of the n−1 th frame; a luminance controller for summing the second portion of the image signals and the first portion of the image signals stored in the storing unit to generate frame data; a scan driver for supplying the scan signals and the light emitting control signals with a controlled pulse width according to a magnitude of the frame data to the display unit; and a data driver for generating the plurality of data signals by utilizing the image signals stored in the frame memory and supplying the data signals to the display unit.