What is a HUD Head-Up Display?

[StLucas]

HUD head-up display, also known as a head-up display, is widely used in military aircraft as a flight assistance instrument. As the name suggests, "head-up"—through the principle of optical reflection, important information is projected onto the glass, eliminating the need for the driver to look down. Here are detailed introductions about the HUD head-up display: 1. Originating from the optical sights of fighter aircraft, it first appeared during World War I and became widely used by World War II. Nowadays, more and more car models are equipped with HUD head-up display functionality. 2. The most important role of the HUD head-up display is to ensure the stability of the driver's operation, allowing more attention to be focused on observing road conditions.