Patent attributes
A projection lamp includes a mounting base, a light source assembly, an incident lens group, a patterned lens group, and a light exiting lens group. The light source assembly is connected to the mounting base, the incident lens group is connected to the mounting base and disposed corresponding to the light source assembly, the patterned lens group is detachably connected to the mounting base and disposed corresponding to the incident lens group, and the incident lens group is located at a first side of the patterned lens group. The light exiting lens group is connected to the mounting base and located at a second side of the patterned lens group opposite to the first side of the patterned lens group. The light emitted by the light source assembly is guided to the patterned lens group through the incident lens group and exits through the light exiting lens group.
