Search found 2 matches
Search found 2 matches • Page 1 of 1
- Thu Dec 03, 2020 4:16 pm
- Forum: General LCD
- Topic: Can a membrane switch have an EL backlight?
- Replies: 1
- Views: 11299
Yes, but why? EL (Electroluminescence) <https://en.wikipedia.org/wiki/Electroluminescence> is thin and provides even light flow, but . . . it requires an AC circuit which generates noise and it has a short half-life of around 3K hours. (Half life is when the EL’s brightness is half of what it is whe...