Liquid crystal display device with partial vacuum in passive reg

Details Liquid crystal display device with partial vacuum in passive reg Liquid crystal display device with partial vacuum in passive reg

1983-12-09

1985-10-22

Corbin, John K.

350343, 350344, G02F 113

Patent

active

045484759

ABSTRACT:
A liquid crystal display device comprises a plurality of electrically controllable active regions filled with liquid crystal and defined by a plurality of dams, and a plurality of empty passive regions also defined by the dams. An outer peripheral seal completes the closure of the active or passive regions and top and bottom cover plates are provided above and below the regions. The empty passive regions may be partially evacuated to increase the mechanical connection between the cover plates and the active regions may be connected by passages also defined by the dams so that a single filling port can be utilized to fill all of the active regions of liquid crystal.

REFERENCES:
patent: 3926502 (1975-12-01), Tanaka et al.

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