Active solid-state devices (e.g. – transistors – solid-state diode – Non-single crystal – or recrystallized – semiconductor... – Field effect device in non-single crystal – or...
Reexamination Certificate
2006-06-13
2006-06-13
Pham, Long (Department: 2814)
Active solid-state devices (e.g., transistors, solid-state diode
Non-single crystal, or recrystallized, semiconductor...
Field effect device in non-single crystal, or...
C257S022000, C438S738000, C438S652000
Reexamination Certificate
active
07061020
ABSTRACT:
An array substrate for a liquid crystal display device includes: a substrate; a gate electrode on the substrate; a gate insulating layer on the gate electrode; a semiconductor layer on the gate insulating layer; source and drain electrodes on the semiconductor layer, the source and drain electrodes including a copper layer as an upper layer and a barrier layer as a lower layer; a first passivation layer on the source and drain electrodes; a second passivation layer on the first passivation layer, the second passivation layer having a drain contact hole through the first passivation layer, the drain contact hole exposing the barrier layer; and a pixel electrode connected to the barrier layer through the drain contact hole.
REFERENCES:
patent: 6121156 (2000-09-01), Shamble et al.
patent: 6529251 (2003-03-01), Hibino et al.
LG.Philips LCD Co. , Ltd.
McKenna Long & Aldridge LLP
Pham Long
Rao Shrinivas H.
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