Method and apparatus for sealing liquid crystal display element

Details Method and apparatus for sealing liquid crystal display element Method and apparatus for sealing liquid crystal display element

1998-10-09

1999-12-21

Sikes, William L.

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

349153, 349189, G02F 11339, G02F 11341

Patent

active

060056533

ABSTRACT:
A liquid crystal display element cell is obtained by setting two substrates to oppose each other at a predetermined gap and sealing a liquid crystal in the space formed between the substrates. An apparatus for sealing the liquid crystal display element cell includes seal rings, pressure plates, a pressure mechanism, and a compressed gas supply mechanism. The seal rings are formed to surround the display surface of the liquid crystal display element cell. Each seal ring has a Z-shaped section. Each pressure plate has a groove which fits with a corresponding seal ring therein, and a pressurized air injection port on the inner side of which is surrounded by the groove. Each pressure plate is placed on the upper and lower surfaces of the liquid crystal display element cell to be in contact with the seal rings. Pressure regions are formed in the spaces surrounded by the pressure plates, the liquid crystal display element cell, and the seal rings. The pressure mechanism presses the pressure plates with a predetermined pressure. The compressed gas supply mechanism supplies a pressurized gas of a predetermined pressure to the injection port.

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