Array substrate having double-layered metal patterns and...

Details Array substrate having double-layered metal patterns and... Array substrate having double-layered metal patterns and...

2006-06-13

2006-06-13

Schechter, Andrew (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C349S043000, C349S147000, C349S148000, C257S059000, C257S072000, C438S584000

Reexamination Certificate

active

07061565

ABSTRACT:
An array substrate having double-layered metal patterns for use in a liquid crystal display device and a manufacturing method thereof are disclosed in the present invention. The array substrate includes a gate electrode and a gate line each having a molybdenum alloy (Mo-alloy) layer and a copper (Cu) layer configured sequentially on a substrate; a gate insulation layer on the substrate to cover the gate electrode and the gate line; an active layer arranged on the gate insulation layer in a portion over the gate electrode; an ohmic contact layer on the active layer; a data line on the gate insulation layer, the data line crossing the gate line and defining a pixel region; source and drain electrodes on the ohmic contact layer, the source electrode extending from the data line, and the drain electrode spaced apart from the source electrode; a passivation layer on the gate insulation layer covering the data line and the source and drain electrode, the passivation layer having a drain contact hole exposing a portion of the drain electrode; and a pixel electrode configured on the passivation layer in the pixel region, the pixel electrode electrically contacting the drain electrode through the drain contact hole.

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patent: 2004/0041958 (2004-03-01), Hwang et al.

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