The above illustration highlights one segment of the liquid crystal layer in a monochrome twisted nematic (TN) seven-segment display (Image ... make up the desired letters and digits are unlit.

In a way, all 7-segment displays are alike; at least from the outside looking in. On the inside it can be quite another story, and that’s certainly the case with the construction of this Soviet ...

We’re used to seeing all manner of seven-segment displays, be they mechanical, electronic, or something in between. But what all these displays have in common is that they’re, you know, displays.