Aluminum profile commonly used as LED strip diffusers to achieve better diffusion and set creative lighting effects and as LED strip installation channels to assist LED strip installation. LED profiles with diffusers are usually surface mounted for under-cabinet lighting. Ceiling LED strip profiles, recessed LED strip profiles, and corner LED strip profiles are among the first choices for LED strip applications. The aluminum profiles provide housing and protection for the LED strip. As heat sinks, they significantly improve the thermal management of LED strips.