Video displays are devices that present visual information, typically using screens. They can be found in various forms, including televisions, computer monitors, and smartphone screens. These displays work by converting electrical signals into images, allowing users to view videos, images, and text. There are different types of video display technologies, such as LCD (Liquid Crystal Display), LED (Light Emitting Diode), and OLED (Organic Light Emitting Diode). Each technology has its own advantages, like brightness, color accuracy, and energy efficiency, making them suitable for different applications and preferences.