Liquid crystal cells – elements and systems – Particular structure – Having significant detail of cell structure only
Patent
1997-08-08
2000-12-26
Dudek, James A.
Liquid crystal cells, elements and systems
Particular structure
Having significant detail of cell structure only
349156, 349158, G02F 11339
Patent
active
061667978
ABSTRACT:
Substrate elements for making liquid crystal display devices are disclosed as well as display devices using such elements. A substrate element includes a base sheet having the desired optical properties and providing the structural stability for the substrate element. The substrate element further includes a microstructured barrier layer that protects the base sheet from adverse chemical reactions with the liquid crystal or alignment layer solvents. The microstructured barrier layer comprises a plurality of microstructured spacing members that provide precise, uniform spacing between the first substrate element and a second substrate element. A pair of substrate elements, at least one of which having a microstructured barrier layer, can thereby be mated to form a display device. The substrate elements of the present invention allow large area, high resolution displays to be fabricated which will provide uniform display properties throughout the display area.
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Aastuen David J. W.
Bruzzone Charles L.
Gardner Timothy J.
Padiyath Raghunath
Pokorny Richard J.
3M Innovative Properties Company
Dudek James A.
Pechman Robert J.
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