US Patent 11754236 Recessed LED lamp with spring mounting structure

A recessed lamp which includes a surface ring defining a light exit opening, a diffusing plate, and a light emitting assembly. The surface ring has an inner side surface, an outer side surface, and a protruding ring arranged on the inner side surface to surround the light exiting opening. The diffusing plate is positioned to abut against the inner side of the surface ring to cover the light exiting opening, and is fusion sealed to the surface ring. The light emitting assembly includes a plurality of LED lamp beads arranged on a substrate to emit light towards the light exiting opening.