Patent ID: 8759665

Claim:
A solar cell apparatus, comprising: a plate having a first surface on which a plurality of lenses are arranged, a second surface opposite to the first surface, and a plurality of concave recesses formed on the second surface; an insulating layer formed under the second surface of the plate; and a plurality of solar cells receiving light concentrated by the plurality of lenses, wherein the plurality of lenses includes a first lens having a first focus positioned in a concave recess of the plurality of concave recesses and a second lens having a second focus positioned in the insulating layer, wherein the plurality of solar cells includes i) a first solar cell seated in the concave recess in which the first focus is positioned such that the light passing through the first lens and the plate is concentrated on the first solar cell, and ii) a second solar cell positioned at the second focus in the insulating layer such that the light passing through the second lens and the plate is concentrated on the second solar cell.