US Patent 10397460 Lighting and power devices and modules

In one example, a case that is configured to be removably attached to a smartphone includes a back panel that substantially covers a back face of the smartphone when the case is attached to the smartphone, the case defining a first opening configured and arranged so that when the case is attached to the smartphone, part of a display of the smartphone is visible by way of the first opening, and the case further including one or more light sources positioned along a side edge of the first opening, and the one or more light sources operable to illuminate part of an area to be imaged by a front-facing camera of the smartphone, and the back panel has a second opening that is aligned with a rear-facing camera of the smartphone when the case is attached to the smartphone, and the case further includes an electrical connector.