Patent ID: 6774876
Filing Date: 2004-08-10
Classification: G09G

Abstract:
A self light emitting device which comprises a plurality of pixels, each pixel comprising:an EL element; a memory; a first TFT; a second TFT; a third TFT; a source signal line; an address gate signal line connected to a gate electrode of the first TFT; and a memory gate signal line connected to a gate electrode of the second TFT, wherein: the source signal line is connected to one of a source region and a drain region of the first TFT, while the other is connected to a gate electrode of the third TFT; one of a source region and a drain region of the second TFT is connected to the memory, while the other is connected to the gate electrode of the third TFT; and a source region of the third TFT is connected to a first electric power source, and a drain region of the third TFT is connected to the EL element.