CPC H01L 31/0543 (2014.12) [H02J 7/35 (2013.01)] | 6 Claims |
1. A controlling device, comprising:
a housing;
a processing device;
a user input coupled to the processing device;
a transmitter coupled to the processing device wherein the processing device causes the transmitter to send commands responsive to select user interactions with the user input;
a power store for providing power to the transmitter and the processing device; and
at least a light-based energy harvesting system disposed within the housing and coupled to the power store;
wherein the light-based energy harvesting system comprises a substrate having a photovoltaic (PV) active area and a lens, separate from the substrate, comprising a plurality of reverse pyramids disposed over the PV active area.
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