What is Car Hud?

https://www.sunny-automotive.com/products/freeform-mirror/

In recent years, driven by the wave of intelligent electrification in the automotive industry, car huds have ushered in rapid growth. Relevant statistics show that the loading rate of HUDs in 2020 is only 4%, and by the end of 2021, this figure will reach 6.8%. At the same time, with the cost effect brought by the mass production of HUD, products equipped with this configuration are also penetrating from high-end cars to the low-end market.