Birch, Stewart, Kolasch & Birch, LLP
Solar cell
A bi-facial solar cell includes a silicon substrate, a first doped region formed on a front surface of the silicon substrate, an oxide layer formed on a back surface of the silicon substrate, a second doped region formed on the oxide layer and formed of a polycrystalline silicon layer, a first passivation layer formed on the first doped region, a first anti-reflection layer formed on the first passivation layer, a plurality of first finger electrodes connected to the first doped region through a first opening in the first passivation layer and the first anti-reflection layer, a second passivation layer formed on the second doped region, a second anti-reflection layer formed on the second passivation layer, and a plurality of second finger electrodes connected to the second doped region through a second opening in the second passivation layer and the second anti-reflection layer.
LG ELECTRONICS INC.
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H01L C23C H01L Y02E H01L H01L H01L H01L
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Kyungjin Hyunjung Jaewon Junghoon
Shim Park Chang Choi