Patent ID: 7567308

Claim:
A liquid crystal display apparatus comprising: a transparent substrate including a transparent common electrode formed thereon; an active matrix substrate including a plurality of display pixels having reflective pixel electrodes, the display pixels being formed in a column direction and a row direction on the active matrix substrate in a matrix fashion, each display pixel including a switching transistor having a gate, a drain and a source, and a signal-charging capacitor; a liquid crystal layer provided between the common electrode and the reflective pixel electrode; a column-signal electrode driver and a row-scanning electrode driver for activating the active matrix substrate; a plurality of column-signal electrodes connected to the column-signal electrode driver, the drain of the switching transistor being connected to each column-signal electrode; and a plurality of row-scanning electrodes connected to the row-scanning electrode driver, the gate of the switching transistor being connected to each row-scanning electrode, each reflective pixel electrode being provided at an intersection of each column-signal electrode and each row-scanning electrode, each reflective pixel electrode and the signal-charging capacitor being connected to the source of the switching transistor, wherein the active matrix substrate further includes at least a first metal layer, a second metal layer, a third metal layer, and a fourth metal layer formed in order, via interlayer insulating layers between adjacent metal layers, on a wiring layer having the gate of the switching transistor formed therein, the column-signal electrodes and the row-scanning electrodes being formed in the first metal layer and the second metal layer, respectively.