LIQUID CRYSTAL INDICATOR OF VOLTAGE AVAILABILITY Russian patent published in 2008 - IPC G01R19/155 G02F1/13 

FIELD: liquid crystal devices.

SUBSTANCE: liquid crystal voltage indicator according to the first variant of its design version is realised so that each of conducting layers is divided into several segments that do not touch each other, at that configuration of segments of both conducting layers is arranged so that one end segment of the first conducting layer, which is equipped with output that is external electric output of indicator, is located opposite to fragment of surface of one segment of less size of the second conducting layer, and other segments of the first conducting layer, apart from the second end segment of the first conducting layer, are installed serially, every one opposite to fragments of surface of two neighbouring segments of smaller size of the second conducting layer, and the second end segment of the first conducting layer is installed opposite to the fragment of surface of segment of smaller size of the second conducting layer and opposite to fragment of surface of segment of larger size of this layer. Liquid crystal voltage indicator according to the second variant of its design version is realised so that whole area of conducting segment, which is installed on the base layer surface outside the area of indicated sign, is current receiving electrode of indicator, and liquid crystal elements are arranged so that projection of one liquid crystal element on the plane of one of the base layers has a shape of strip that borders external contour of sign indicated image, and edges of this strip ends are located in immediate proximity to the edge of intermediate liquid crystal layer, and projections of other liquid crystal elements are located in the field of sign image, which is limited by this strip.

EFFECT: suggested indicator compared with available indicators has high sensitivity, small size, simple design and possibility of its manufacturing with available optimised methods.

7 cl, 6 dwg