Liquid crystal cells – elements and systems – Particular excitation of liquid crystal – Electrical excitation of liquid crystal
Patent
1996-12-05
1998-11-10
Sikes, William L.
Liquid crystal cells, elements and systems
Particular excitation of liquid crystal
Electrical excitation of liquid crystal
349 43, 349110, 349143, 349187, G02F 1136, G02F 11343
Patent
active
058351698
ABSTRACT:
In an LCD device of a thin film transistor which includes a thin film transistor having as a switching device gate electrode to which a driving voltage is applied and source/drain electrodes in which a channel is formed and thereby turned on when the driving voltage is applied to the gate electrode and has a data line spaced from the source electrode by a predetermined interval to be insulated therefrom and connected with the drain electrode, by interposing a storage electrode covering the data line and the gate line, located at a lower portion of a pixel electrode and formed of a conductive material capable of cutting off a light between the data line and a pixel electrode and between a gate line and the pixel electrode, the storage electrode cuts off the data line and the pixel electrode, and the gate line and the pixel electrode to minimize a parasitic capacitance generated therebetween, and accordingly, to prevent a cross talk caused by the parasitic capacitance, and thereby an aperture is increased without lowering a transparency rate of light, resulting in achieving a high degree of a picture quality.
REFERENCES:
patent: 4986637 (1991-01-01), Yamaguchi
patent: 5339181 (1994-08-01), Kim et al.
patent: 5446562 (1995-08-01), Sato
patent: 5459596 (1995-10-01), Ueda et al.
patent: 5510916 (1996-04-01), Takahashi
patent: 5576859 (1996-11-01), Castleberry
Jeong Koan-Yel
Kwon Oh-Kyong
Duong Tai V.
LG Semicon Co. Ltd.
Sikes William L.
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