| 摘要 |
An organic light emitting display and a control method thereof, which can control brightness of an image displaying part depending on neighboring brightness. The organic light emitting display includes: an optical sensing part for outputting a sensed signal corresponding to a neighboring brightness; a gamma controller for outputting a gamma correction value corresponding to the sensed signal; a driver for outputting a selection signal and a gamma-corrected data signal according to the gamma correction value; and an image displaying part for displaying an image according to the data signal and the selection signal outputted from the driver. In this configuration, the display uses the gamma correction value corresponding to neighboring brightness and controls the brightness of the display to vary depending on the neighboring brightness, thereby lengthening lifespan of a pixel of the display and reducing power consumption.
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