US Patent 11197538 Personal care device

A personal care device has a hollow housing having at least a first transparent or translucent portion extending between the housing's outer and inner surfaces, a carrier fixed inside the housing, at least a first light source mounted on the carrier, and a light barrier mounted on the carrier. The light barrier has at least a first spring arranged to bias a light barrier plate of the light barrier against the housing's inner surface. The light barrier plate has at least a first light transmission portion that is aligned with the first light source and the first transparent or translucent portion of the housing, so that light emitted by the first light source is visible at the outer surface of the first transparent or translucent portion.