Patent ID: 6972432
Filing Date: 2005-12-06
Classification: G02F

Abstract:
1. A liquid crystal display having a drive circuit substrate on which a plurality of pixel circuits are arranged in a matrix, a transparent substrate on which a common electrode is formed, and a liquid crystal material held between the drive circuit substrate and the transparent substrate, each of the pixel circuits including a reflective electrode arranged to face the common electrode, a first switching element to transfer a signal when turned on, a second switching element to transfer a signal when turned on, a first capacitor having a first electrode thereof connected to a node between the first switching element and the reflective electrode, to store a signal input through the first switching element when the first switching element is in an ON state and supply the signal to the reflective electrode, and a second capacitor having a first electrode thereof connected to a common node of the first and second switching elements, to store an external signal input through the second switching element when the second switching element is in an ON state, second electrodes of the first and second capacitors of all pixel circuits being commonly connected, the liquid crystal display comprising, on the drive circuit substrate: a metal layer formed under reflective electrodes and having an opening, the position of the opening being shifted along the surface of the drive circuit substrate to avoid the positions of gaps between the reflective electrodes of adjacent pixel circuits and block light; and a wiring layer formed under the metal layer and having first wiring that covers and is electrically connected to a first diffusion region corresponding to the common node of the first and second switching elements and second wiring that covers and is electrically connected to a second diffusion region corresponding to an output part of the first switching element, the first and second wiring being divided and electrically isolated from each other, the position of a gap between the first and second wiring dividedly formed in the wiring layer being shifted along the surface of the drive circuit substrate to avoid the position of the opening formed in the metal layer.