Micro-LED structure capable of realizing light beam collimation for vehicle-mounted display

The invention provides a Micro-LED structure used for vehicle-mounted display and capable of achieving light beam collimation. The Micro-LED structure comprises a substrate, a Micro-LED table top and an optical super-structure surface structure layer. The Micro-LED table board is composed of a metal reflecting layer, a p-doped region, a multi-quantum well layer and an n-doped region; the optical super-structure surface structure layer is an n-layer nano-structure array, wherein n is greater than or equal to 1; the Micro-LED table board is used for generating a light source, and the optical super-structure surface structure layer is used for realizing collimation of emergent light of the Micro-LED under any wavelength; by applying the technical scheme, collimation of emergent light under any wavelength can be realized. 本发明提供了一种用于车载显示的可实现光束准直的Micro-LED结构，所述Micro-LED结构包括衬底、Micro-LED台面以及光学超构表面结构层；所述Micro-LED台面由金属反射层、p-掺杂区、多量子阱层及n-掺杂区组成；所述光学超构表面结构层为n层的纳米结构阵列，其中n≥1；所述Micro-LED台面产生光源，所述光学超构表面结构层实现任意波长下Micro-LED出射光的准