SOLAR CELL AND METHOD OF MANUFACTURING THE SAME
First Claim
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1. A solar cell comprising:
- a semiconductor substrate; and
a first conductive type region and a second conductive type region disposed on the same side of the semiconductor substrate;
wherein at least one of the first and second conductive type regions comprises a main region and a boundary region disposed at a peripheral portion of the main region, andwherein the boundary region has at least one of a varying doping concentration and a varying doping depth.
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Abstract
A solar cell is discussed. The solar cell according to an embodiment includes a semiconductor substrate, a first conductive type region and a second conductive type region disposed on the same side of the semiconductor substrate, wherein at least one of the first and second conductive type regions includes a main region and a boundary region disposed at a peripheral portion of the main region, and the boundary region has at least one of a varying doping concentration and a varying doping depth.
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20 Claims
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1. A solar cell comprising:
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a semiconductor substrate; and a first conductive type region and a second conductive type region disposed on the same side of the semiconductor substrate; wherein at least one of the first and second conductive type regions comprises a main region and a boundary region disposed at a peripheral portion of the main region, and wherein the boundary region has at least one of a varying doping concentration and a varying doping depth. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method of manufacturing a solar cell, the method comprising forming first and second conductive type regions on the same side of a semiconductor substrate,
wherein at least one of the first and second conductive type regions comprises a main region and a boundary region disposed at a peripheral portion of the main region, and wherein the boundary region has at least one of a varying doping concentration and a varying doping depth.
Specification