Liquid crystal display device having diffusely reflective pictur

Details Liquid crystal display device having diffusely reflective pictur Liquid crystal display device having diffusely reflective pictur

1980-12-19

1987-03-10

Corbin, John K.

350333, 350339D, 350349, 350336, G02F 113

Patent

active

046486917

ABSTRACT:
A liquid crystal display device wherein display elements are arranged in a matrix display on a substrate and the display is driven in response to external display signals is provided. The display device includes a thin film layer having a rugged diffusing surface and an opposed transparent electrode plate spaced apart from the thin film layer. A guest-host liquid crystal material including a pleochroic dye is utilized. The thin film layer may be a metal film such as, aluminum, an aluminum alloy, silver or a silver alloy having a rugged surface for providing a diffused white surface formed by vaccum evaporation, sputtering, heat-treatment, recrystallization or etching.

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