On 24/07/2021 10:07, Jeff Jonas wrote:
I've seen severe CRT burn-in where text was in the same spot for prolonged times
- login screens to mainframes
- airport and train displays
VFD (Vacuum Fluorescent Displays) are also prone to burn-in.
I took some photos: ferretronix.com/tech/vfd
I still use one of these (albeit different button placement):
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=274571165300
I estimate 35 years old. Is it less bright? Hard to say - I'm
that that much older and still looks fine to me.
Can't say the same for a Panasonic microwave fluorescent display
which is maybe 10 years old.
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