We spotted an interesting article on a CRT numeric display tube that is called the Nimo. It never really caught on as there were many options at the time – all of which did not involve an anode voltage of 1400V!
If you have 30 minutes to spare and are a serious display nerd, check out the video! Those that think that screen burn is a new issue with OLEDs might also see that this is a long-established problem in displays.
