Optical structure with LED light source achieving light curtain effect and car lamp with structure

The utility model relates to the technical field of automobile lamps. The utility model relates to an optical structure, in particular to an optical structure with an LED light source achieving a light curtain effect and a car lamp with the structure. The LED lamp comprises an inner lampshade, an LED sub-assembly and at least one LED light source, the inner lampshade comprises a light guide part and a light guide plate part; wherein the light guide part is connected with the light guide plate part in an embedded mode, a microstructure is further arranged on the inner lampshade, the LED sub-assembly is located below the inner lampshade, the LED light source is installed on the LED sub-assembly, the inner lampshade is composed of the light guide part and the light guide plate part, and the light guide part is connected with the light guide plate part in an embedded mode. The light curtain effect is achieved through the large-curvature bent light guide structure by means of a small numberof LED light sources, th