US Patent 10032753 Flexible lighting device having both visible and infrared light-emitting diodes

A flexible lighting array, comprising: a flexible substrate; a pair of first electrical connectors formed on the flexible substrate; a pair of second electrical connectors formed on the flexible substrate; an isolation element formed on the flexible substrate between the pair of first electrical connectors and the pair of second electrical connectors; a plurality of first light-emitting elements formed over the pair of first electrical connectors; one or more second light-emitting elements formed over the pair of second electrical connectors; and a transparent covering layer formed over the plurality of first light-emitting elements and the one or more second light-emitting elements, wherein, the plurality of first light-emitting elements are configured to emit visible light in a wavelength range of 200 nm to 800 nm, and the one or more second light-emitting elements are configured to emit infrared light in a wavelength range of 800 nm to 1200 nm.