Organic light emitting display, and image modification method

摘要

An organic light emitting display, and an image modification method may include an analog to digital image signal processor configured to output present digital image data, a frame data analysis unit electrically coupled to the image signal processor, the frame data analysis unit configured to receive the present digital image data and a present data summation value, and to output a new data summation value, a light emission time supply unit electrically coupled to the frame data analysis unit and configured to supply a light emission time in accordance with the new data summation value, and a light emission control driver electrically coupled to the light emission time supply unit and configured to output a light emission signal in accordance with the light emission time output from the light emission time supply unit.

主权项

1. An organic light emitting display, comprising:
an image signal processor to receive a analog image data, and to output present digital image data; a data summation unit, the data summation unit to receive the present digital image data, and to output a present data summation value that is the sum of the present digital image data during one frame; a frame data analysis unit electrically coupled to the data summation unit and the image signal processor, the frame data analysis unit to receive the present digital image data and the present data summation value, and to output a new data summation value; a light emission time supply unit electrically coupled to a reference value table and the frame data analysis unit, the reference value table including light emission times corresponding to respective new data summation values, and the light emission time supply unit being to output a light emission time in accordance with the new data summation value output by the frame data analysis unit using the reference value table; a light emission control driver electrically coupled to the light emission time supply unit and to output a light emission signal in accordance with the light emission time output from the light emission time supply unit; and an organic light emitting display panel electrically coupled to the light emission control driver, and to emit light in accordance with the light emission signal output from the light emission control driver, wherein the frame data analysis unit includes:
a frame memory to store the present data summation value, and output a previous data summation value;a comparison unit electrically coupled to the frame memory, and to output a difference value between the previous data summation value and the present data summation value; andan addition unit supplied with the difference value and the present data summation value, and to output the new data summation value.