KARTE MIT MUSTER- UND/ODER BILDANZEIGEFUNKTION

摘要

A card 1, 1', eg. a greetings card or advertising card, with a pattern display function includes a liquid crystal display having a plurality of display cell units 21, front and rear resin films 2b and 2b' separated from each other by a predetermined distance, a plurality of first electrodes 2a of a certain pattern formed on the resin film 2b, a second electrode 2a' opposing the first electrodes and being formed on the rear resin film 2b' and a liquid crystal layer 2c interposed between the front and rear resin films. A driver (3, Fig 4) is provided for driving the display cell units in a pro-determined sequence. Power to drive the display comes from an element (5, Fig 4) which comprises either a solar cell or a battery cell in combination with a light sensitive switch. <IMAGE>