Dial consisting of a solar-cell, especially for a timepiece

摘要

The dial comprises an upper substratum (2) which is translucid and has an electrode (6) on its lower surface and also a lower substratum (4) which has an electrode (8) on its upper surface. A physicochemical system comprises a semiconducting layer (12) with a monomolecular colorant (14) and an electrolyte (16) is enclosed between the substrata (2, 4).