Liquid crystal display device having metallic bus repair layer

Details Liquid crystal display device having metallic bus repair layer Liquid crystal display device having metallic bus repair layer

1989-12-06

1992-02-04

Hille, Rolf

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 54, G02F 113

Patent

active

050863479

ABSTRACT:
In an active matrix liquid crystal display device in which source and gate buses are arranged in a matrix form, thin film transistors are provided at intersections of the source and gate buses and display electrodes are driven by applying voltage thereto via the thin film transistors, source and gate bus repair conductive layers are provided which extend along the source buses in opposing relation thereto across an insulating layer. When any one of the source or gate buses is broken, the repair conductive layer and the broken bus can be connected at both side of the broken portion by laser welding.

REFERENCES:
patent: 4630355 (1986-12-01), Johnson
patent: 4688896 (1987-08-01), Castleberry
patent: 4689116 (1987-08-01), Coissard et al.
patent: 4840459 (1989-06-01), Strong
patent: 4902638 (1990-02-01), Muto

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