A Brief History of the Crazy Old 7-Segment Display(hackaday.com)
hackaday.com
A Brief History of the Crazy Old 7-Segment Display
https://hackaday.com/2026/07/09/a-brief-history-of-the-crazy-old-7-segment-display/
3 comments
Starts talking about LEDs and totally misses LCDs, which made heavy use of 7-segment displays and were ubiquitous for a few decades in the early years of consumer digital electronics.
When I see something about seven segment displays I think about one of my favorite YouTube videos.
https://www.youtube.com/watch?v=RTB5XhjbgZA&t=18s
https://www.youtube.com/watch?v=RTB5XhjbgZA&t=18s
Another interesting related technology is electromechanical vane display clocks: https://youtu.be/AradTqh0cuM . Each segment is shown (or sometimes obscured) mechanically!