| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a semiconductor device with high operation performance and credibility. <P>SOLUTION: An EL display device includes a plurality of pixels each having at least an EL element, a first transistor electrically connected to the EL element, a second transistor electrically connected to source wiring, and a retention volume, in which the first transistor has a function as a switching element and the second transistor has a function of controlling a current amount to be flowed from a current supply line to the EL element. <P>COPYRIGHT: (C)2012,JPO&INPIT |
