| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve the image quality by compensating luminance irregularities caused by fluctuation in threshold of TFTs for supplying a current to light emitting elements among pixels, in an active matrix light emitting device. <P>SOLUTION: A pixel circuit includes a first transistor for controlling a light emitting device, a capacity element which has a first electrode connected to the gate of the first transistor and holds a voltage corresponding to a threshold voltage of the first transistor, a second transistor for controlling voltage supply to the gate of the first transistor, a third transistor for controlling voltage supply from wiring to one of the source and the drain of the first transistor, and a fourth transistor for controlling voltage supply to a second electrode of the capacity element. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
