Liquid crystal display device

Details Liquid crystal display device Liquid crystal display device

1981-04-06

1984-03-06

Arnold, Bruce Y.

Horology: time measuring systems or devices

Cases

Adaptable

350336, 350343, 368242, G02F 113

Patent

active

044350465

ABSTRACT:
A liquid crystal display cell of annular form is provided with a central aperture to accommodate an analog time display section having time indicating hands. The annular liquid crystal cell is characterized in that a plurality of common electrodes are provided on one substrate of the cell, to enable multiplexed drive of the display elements of the cell. Each of the plurality of common electrode comprises a plurality of separate common electrode portions which are electrically connected by connecting lead portions. Half of the connecting lead portions can be arranged to be outside the display area of the cell, thereby enabling the available display area to be maximized.

REFERENCES:
patent: 3969887 (1976-07-01), Fukumoto
patent: 3987617 (1976-10-01), Slob
patent: 4198810 (1980-04-01), Fahrenschon
patent: 4212159 (1980-07-01), Noble et al.
patent: 4227777 (1980-10-01), Murakami
patent: 4236240 (1980-11-01), Yoshida
patent: 4299462 (1981-11-01), Suzuki et al.

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