Liquid crystal cells – elements and systems – Particular structure – Having significant detail of cell structure only
Patent
1997-08-05
1999-11-30
Parker, Kenneth
Liquid crystal cells, elements and systems
Particular structure
Having significant detail of cell structure only
349123, G02F 11343, G02F 11337
Patent
active
059951877
ABSTRACT:
A liquid crystal display device has a plurality of gate electric wirings provided on one of a pair of substrates, a plurality of drain electric wirings which respectively intersect with the plurality of gate electric wirings in a matrix state, a plurality of thin film transistors formed on respective intersecting points of the drain electric wirings and the gate electric wirings, a plurality of common electric wirings extending in the same direction as the gate electric wirings, a plurality of picture elements, at least one of the picture elements being respectively surrounded by the gate electric wirings and the drain electric wirings, a plurality of counter electrodes connected to the common electric wirings and extending in the same direction as the drain electric wirings, and a plurality of the picture element electrodes connected to the thin film transistors and extending in the same direction as the counter electrode corresponding to respective picture elements, in which the respective counter electrodes contact the liquid crystal layer directly. Furthermore, an electric field having a parallel component with respect to one of the pair of substrates is produced in said liquid crystal layer by an electrical voltage applied between the counter electrodes and the picture element electrodes.
REFERENCES:
patent: 4345249 (1982-08-01), Togashi
patent: 5576867 (1996-11-01), Baur et al.
patent: 5886762 (1999-03-01), Yamazaki et al.
patent: 5892562 (1999-04-01), Lee et al.
Ando Masahiko
Fukaya Ritsuo
Wakagi Masatoshi
Hitachi , Ltd.
Parker Kenneth
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