摘要 |
<p>A display element, comprising an enclosure containing, in use, a fluid containing a plurality of particles, the enclosure having at least one transparent surface and first and second regions, wherein the second region has a greater area of visibility through the transparent surface than the first region; and driving electrodes for driving the fluid and the particles therein between the first and second regions so that the visibility of the particles through the transparent surface can be varied.</p> |