Patent ID: 7079121
Filing Date: 2006-07-18
Classification: G02F,G09G,H01L

Abstract:
1. A semiconductor device comprising: a substrate having at least one driving circuit comprising a plurality of thin film transistors, clock lines for supplying clock signals to the driving circuit, at least one wiring line crossing the clock lines, a first insulating film and a second insulating film, wherein each of the clock lines or each of base portions of the clock lines is made of a two-layer structure, a lower layer of said two-layer structure comprising the same wiring material as gate electrodes of the thin film transistors, and an upper layer of said two-layer structure comprising the same wiring material as source and drain electrodes of the thin film transistors, wherein said wiring line is formed over the first and second insulating films, wherein said upper layer is formed between the first and second insulating films, and wherein said lower layer extends in a same direction as said upper layer.