Method of manufacturing an array substrate for LCD device...

Details Method of manufacturing an array substrate for LCD device... Method of manufacturing an array substrate for LCD device...

2011-06-07

2011-06-07

Chien, Lucy P (Department: 2871)

Liquid crystal cells, elements and systems

Particular excitation of liquid crystal

Electrical excitation of liquid crystal

C349S152000

Reexamination Certificate

active

07956949

ABSTRACT:
An array substrate in a liquid crystal display device includes a gate electrode, a gate line and a gate pad on a substrate, wherein the gate electrode, the gate line and the gate pad have a double-layered structure consisting of a first metal layer and a first barrier metal layer in series from the substrate, and wherein the first metal is one of aluminum and aluminum alloy; a gate insulation laver; an active layer and an ohmic contact layer; a data line, source and drain electrodes, and a data pad each having a double-layered structure consisting of a second barrier metal layer and a second metal layer of copper; a passivation layer; and a pixel electrode, a gate pad terminal and a data pad terminal on the passivation layer formed of a transparent conductive material.

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