This slimmed-down mechanical seven-segment display is a perfect example ... The PCB forms the rear cover for the display, which is also considerably slimmed down for this version.

We’re suckers for a nice seven-segment LED display around these parts ... to show that for $10 USD you can get enough film to cover a few hundred displays. Which, depending on the project ...

seven-segment display (Image courtesy of LXD, Inc.) In their natural state, liquid crystals line up with the orientation "rubbed" into the front and rear glass panels. The rubbings are microscopic ...