Final answer:
LCD (Liquid Crystal Display) is the display technology most commonly used in modern laptops, which uses a backlight and pixels with red, green, and blue filters to control color and contrast.
Step-by-step explanation:
The display technology most commonly used in modern laptops is LCD (Liquid Crystal Display). LCD screens operate with a backlight that illuminates millions of tiny units called pixels, each consisting of red, green, and blue sub-pixels with filters.
By controlling the voltage applied across each liquid crystal, the amount of light passing through the filters can be varied, allowing for the control of color and contrast on the screen.