Thin film transistor substrate of a horizontal electric...

Details Thin film transistor substrate of a horizontal electric... Thin film transistor substrate of a horizontal electric...

2006-10-04

2009-10-06

Le, Uyen Chau N (Department: 2874)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C349S138000, C349S156000

Reexamination Certificate

active

07599034

ABSTRACT:
A thin film transistor substrate structure of a horizontal electric field type LCD comprises a plurality of signal lines including a gate, a data, and a common lines disposed on a substrate; the data line intersecting with the gate and common lines, a gate insulating film disposed between the data line and the gate and common lines, a pixel area being defined by the intersection of the data and gate lines; a thin film transistor disposed at the intersection of the data line and gate line; a common and a pixel electrodes both having a portion extended into the pixel area; a protective film disposed over the substrate and the thin film transistor; and at least one pad structure including an upper pad electrode contacting a lower pad electrode within a first contact hole wherein the upper pad electrode is absent from the upper surface of the protective film.

REFERENCES:
patent: 5777702 (1998-07-01), Wakagi et al.
patent: 2005/0046776 (2005-03-01), Ahn et al.
patent: 8-201849 (1996-08-01), None
patent: 8-286176 (1996-11-01), None
patent: 2003-79539 (2003-10-01), None
patent: 2003-82648 (2003-10-01), None

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