LIQUID-CRYSTAL DEVICE FOR INFORMATION DISPLAY Russian patent published in 2004 - IPC

FIELD: information displaying equipment. SUBSTANCE: liquid-crystal device for information display includes layer of liquid crystal placed between front and rear panels with functional layers. It has parameters ensuring interference extremum for reflected or transmitted light across output of device, and/or across boundary of at least two functional layers, and/or liquid-crystal layer and functional layer for at least one linearly polarized light component of one wave length as minimum. EFFECT: increased brightness and contrast of image, especially for light transmitted along normal to surface of device, reduced thickness and simplified design of device. 7 cl