| abstract |
The present disclosure relates to a nerve stimulation apparatus, which comprises a photovoltaic cell which generates electricity by light, and which comprises a first electrode and a second electrode, and which is electrically connected to the photovoltaic cell, emits light using electricity generated from the photovoltaic cell, And a first light source including an electrode and a fourth electrode, wherein the first electrode and the third electrode are in contact with each other, and the second electrode and the fourth electrode are in contact with each other. |