Self light emitting device and method of driving thereof
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United States of America Patent
Stats
-
Aug 10, 2004
Grant Date -
Apr 25, 2002
app pub date -
Sep 18, 2001
filing date -
Sep 19, 2000
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A self light emitting device having a function of correcting drops in brightness in self light emitting elements in a pixel portion, and capable of displaying a uniform image without brightness irregularities, is provided. A specific test pattern is displayed when an electric power source is connected, brightnesses are detected by photoelectric conversion elements arranged in each pixel, and then stored in a memory circuit. A correction circuit then corrects a first image signal based on portions which are insufficient from standard brightnesses (brightnesses of normal self light emitting elements at the same gray stale, stored in advance), and a second image signal is obtained. Display of an image in a display device is performed in accordance with the second image signal.
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