EL display device, driving method thereof, and electronic equipment provided with the EL display device
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United States of America Patent
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Oct 15, 2013
Grant Date -
Jul 11, 2013
app pub date -
Feb 26, 2013
filing date -
Jun 21, 1999
priority date (Note) -
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Abstract
An EL display device capable of performing clear multi-gradation color display and electronic equipment provided with the EL display device are provided, wherein gradation display is performed according to a time-division driving method in which the luminescence and non-luminescence of an EL element (109) disposed in a pixel (104) are controlled by time, and the influence by the characteristic variability of a current controlling TFT (108) is prevented. When this method is used, a data signal side driving circuit (102) and a gate signal side driving circuit (103) are formed with TFTs that use a silicon film having a peculiar crystal structure and exhibit an extremely high operation speed.
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