Coordinate input device and input display apparatus including th

Details Coordinate input device and input display apparatus including th Coordinate input device and input display apparatus including th

1997-03-25

1999-02-02

Mengistu, Amare

Computer graphics processing and selective visual display system

Display peripheral interface input device

Touch panel

345178, 178 1801, G09G 500

Patent

active

058671510

ABSTRACT:
On a transparent substrate of a coordinate input device are formed a plurality of first wirings formed on a light transmitting substrate to extend in parallel in a first direction, and a plurality of second wirings extending in a second direction perpendicular to the first direction. Each of the second wirings is removed at the intersection with the first wiring to form intermittent divided sections. A flexible electrode is also formed on the substrate to bring two adjacent divided sections of the second wiring into an electrical contact with each other, and faces the first wiring located between the divided section, with a free space defined therebetween. When an external pressure is applied toward the first wiring, the flexible electrode, which is connected to the second wiring, is deformed so as to be brought into an electrical contact with the corresponding first electrode. The light transmitting substrate is arranged to face a counter substrate of a liquid crystal display device.

REFERENCES:
patent: 4775765 (1988-10-01), Kimura et al.
patent: 4931782 (1990-06-01), Jackson
patent: 5357062 (1994-10-01), Rockwell et al.
patent: 5451724 (1995-09-01), Nakazawa et al.
patent: 5521336 (1996-05-01), Buchanan et al.
patent: 5541370 (1996-07-01), Matsuda et al.
patent: 5625382 (1997-04-01), Ebihara et al.

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