Liquid crystal display apparatus

Details Liquid crystal display apparatus Liquid crystal display apparatus

1997-03-04

1998-06-02

Tran, Minh-Loan

Liquid crystal cells, elements and systems

Particular excitation of liquid crystal

Electrical excitation of liquid crystal

349 39, 349 44, G02F 11343

Patent

active

057608547

ABSTRACT:
In order to provide a liquid crystal display apparatus having bright image display and a preferred production yield, a gate insulating film under a transparent pixel electrode on a transparent substrate is provided with an aperture smaller than a plane area of the pixel electrode, and a source electrode pattern under the pixel electrode is composed so as to cross the aperture. Thin film transistors (TFT) of the liquid crystal display apparatus have a gate electrode and a laminate layer of a gate insulating film and a semiconductor film. End portions of the gate electrode and the laminate layer are tapered, and the end portion of the gate electrode is tapered with a taper angle equal to or less than three times (where, less than 90.degree.) of a taper angle at the end portion of the laminate layer.

REFERENCES:
patent: 5696566 (1997-12-01), Kim et al.

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