Patent ID: 8067277
Filing Date: 2011-11-29
Classification: G09G,H01L

Abstract:
1. A method of manufacturing an active matrix pixel device comprising a thin film transistor which includes a polycrystalline silicon channel and doped source/drain regions, and a PIN diode which includes a p-type doped region and an n-type doped region separated by an amorphous silicon intrinsic region, the method including: (a) - forming a plurality of polycrystalline silicon islands on a substrate, one of which providing a transistor channel, and source/drain regions; and then, (b) - depositing and patterning a layer of amorphous silicon to provide the amorphous silicon intrinsic region of the PIN diode such that the intrinsic region overlies and contacts at least a part of one of the polycrystalline silicon islands which provides one of the p-type or n-type doped regions.