Thin film transistor array substrate and manufacturing method thereof
AssigneeLG.Philips LCD Co., Ltd.
InventorHae Jin Yun
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Abstract
A thin film transistor array substrate, and manufacturing methods thereof, having a dual data link structure comprised of a first data link made from a gate metal layer and of a second data link made from a transparent conductive layer. A gate pad made from the gate metal layer electrically connects directly with the first data link, and to the second data link via a data pad protection electrode that passes through contact holes. The data pad protection electrode makes surface connections to the data pad. A data line is electrically connected via a contact electrode to the first data link. The data line and the data pad are formed from different metal layers. The data pad is protected by a gate insulating layer. The contact electrode is extended from the second data link.
Claims19
A thin film transistor array substrate of a liquid crystal display, comprising:
- a pixel electrode;
- a thin film transistor connected to the pixel electrode;
- a gate line and a data line connected to the thin film transistor;
- a gate pad for contacting a gate driver;
- a data pad for contacting a data driver;
- a gate link connecting the gate pad to the gate line;
- a conductive data link connected to the data pad and extending toward the data line;
- and
- a data pad protection electrode electrically connected to the data line and to the conductive data link;
- wherein the data pad protection electrode extends over the data link and over the data pad.
Dependencies are inferred from the claim text.