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US 2015/0090323 A1Published application
Solar cell
AssigneeLG Electronics Inc.
InventorsJeongkyu KIM, Sunghyun HWANG, Daeyong LEE
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Abstract
Discussed is a solar cell including a semiconductor substrate comprising a base region, an emitter region having a conductive type opposite to that of the base region, and a back surface field region having the same conductive type as the base region and a higher doping concentration than the base region, and a first electrode and a second electrode respectively connected to the emitter region and the back surface field region, wherein the base region has a specific resistance of 0.3 Ωcm to 2.5 Ωcm.
Claims20
A solar cell comprising:
- a semiconductor substrate comprising a base region, an emitter region having a conductive type opposite to that of the base region, and a back surface field region having the same conductive type as the base region and a higher doping concentration than the base region;
- and
- a first electrode and a second electrode respectively connected to the emitter region and the back surface field region,
- wherein the base region has a specific resistance of 0.3 Ωcm to 2.5 Ωcm.
1 more element
A solar cell comprising:
- a semiconductor substrate including a base region, a first conductive type region formed on one surface of the base region, and a second conductive type region formed on the other surface of the base region;
- and
- a first electrode and a second electrode respectively connected to the first conductive type region and the second conductive type region,
- wherein the second conductive type region is locally formed in the semiconductor substrate in a plan view, and the base region and the second conductive type region are disposed on the other surface of the semiconductor substrate, and
- the specific resistance of the base region is 0.3 Ωcm to 2.5 Ωcm.
2 more elements
Dependencies are inferred from the claim text.