Invention Grant
US08830146B2 EL display device, driving method thereof, and electronic equipment provided with the EL display device 有权
EL显示装置及其驱动方法以及设置有EL显示装置的电子设备

EL display device, driving method thereof, and electronic equipment provided with the EL display device
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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