Patent ID: 6184946
Filing Date: 2001-02-06
Classification: G02F,H01L

Abstract:
An active matrix type liquid crystal display having a pair of substrates and a liquid crystal layer sandwiched by the substrates,wherein a plurality of scanning electrodes, a plurality of signal electrodes which intersect with said scanning electrodes in the form of a matrix, a plurality of semiconductor switching elements corresponding to respective intersections of said scanning electrodes and said signal electrodes, a plurality of pixel electrodes each connected to a respective one of said switching elements, and a plurality of opposed electrodes each connected to one of said scanning electrodes, are formed on one of said pair of substrates, andwherein each of said plural semiconductor switching elements is a thin film transistor of an enhancement type and comprises a semiconductor layer having a silicon nitride film formed on a corresponding scanning electrode, an insulating layer formed on the silicon nitride film, and source and drain areas formed on the insulating layer.