Patent ID: 6552757
Filing Date: 2003-04-22
Classification: G02F

Abstract:
A liquid crystal display element comprising:a pair of transparent insulating substrates facing each other with a liquid crystal layer placed in between; a thin-film transistor including a gate electrode formed on one of said pair of transparent insulating substrates, a gate insulation film formed on said gate electrode, a semiconductor layer formed on said gate insulation film, a channel protection film arranged on said semiconductor layer, a semiconductor junction layer formed over at least a portion of the semiconductor layer, a source electrode, and a drain electrode; and a pixel electrode, said thin-film transistor being positioned near a crossing point of one of a plurality of gate signal wires and one of a plurality of source signal wires, said gate electrode being connected to said gate signal wire and said source electrode being connected to said source signal wire in the vicinity of said crossing point, and said drain electrode being connected to said pixel electrode; wherein an end of said drain electrode and an end of said source electrode being separated above said semiconductor layer by said channel protection film, the side surface of said channel protection film being formed as an inverse taper; and wherein a top surface of the channel protection film covers a portion of, but not all of, the source electrode of the thin-film transistor.