| 摘要 |
<P>PROBLEM TO BE SOLVED: To suppress variation of a drive current due to an unnecessary leak current by suppressing drive current in a dark state. <P>SOLUTION: An active matrix type display apparatus has a plurality of pixel circuits 1 arranged in a matrix shape. Each pixel circuit 1 has: a display device EL; a drive transistor M1 of a first conductivity type for controlling a current flowing in the display device; a capacitor C1 provided at a control electrode of the drive transistor; and a transistor M2a of a first conductivity type and a transistor M2b of a 2nd conductivity type which are connected in series as switches, connected to the control electrode of the drive transistor, for holding a drive control signal at the capacitor. One of the other main electrodes of those transistors is connected to the control electrode of the drive transistor. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
