Broadly (and without asserting the accuracy or factual correctness of anything I say), I'm guessing it goes like: The patent describes the method of using Lida

Broadly (and without asserting the accuracy or factual correctness of anything I say), I'm guessing it goes like: The patent describes the method of using Lidar in the context of a self-driving car. The trade secret details which frequency/frequencies of light are most effective, perhaps including which work better under what kinds of inclement conditions.