All laptops are comprised of numerous parts, but the LCD inverter plays an especially important role. The inverter is one of several key parts within a laptop's display; it helps to illuminate the screen. If an inverter wasn't installed in your laptop, you wouldn't be able to see anything on the display.
Purpose
Normally, a notebook's screen will display windows and other user-controlled elements. But without a backlight, the viewing experience would be similar to looking at a film reel without a projector. The inverter allows for the laptop's display to be lit by providing power to the screen's backlight.
