HMI
What is Backlight?
Definition
The illumination source behind an LCD display panel that makes the screen image visible. Backlight failures causing dim or dark HMI screens are a frequent repair item, typically involving LED driver or inverter board replacement.
Related Terms
HMI (Human-Machine Interface)
A touchscreen or panel device that allows operators to monitor and control indus...
Touchscreen
A display panel that detects finger or stylus contact for interactive input, use...
Graphic Display
A visual display unit on an HMI or drive keypad capable of showing graphics, tre...
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