Patent application number | Description | Published |
20100051099 | SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A method of manufacturing a solar cell includes forming jagged portions non-uniformly on a surface of a substrate, forming a first type semiconductor and a second type semiconductor in the substrate, forming a first electrode to contact the first type semiconductor, and forming a second electrode to contact the second type semiconductor. An etchant used in a wet etching process in manufacturing the solar cell includes about 0.5 wt % to 10 wt % of HF, about 30 wt % to 60 wt % of HNO | 03-04-2010 |
20100059114 | SOLAR CELL - A solar cell includes a p-n structure having a first conductive semiconductor substrate, a second conductive semiconductor layer formed on the first conductive semiconductor substrate and having a conduction opposite to the first conductive semiconductor substrate, and a p-n junction formed at an interface between the first conductive semiconductor substrate and the second conductive semiconductor layer; a passivated layer formed on the second conductive semiconductor layer and composed of silicon oxynitride with a refractive index of 1.45 to 1.70; an anti-reflection film formed on the passivated layer and composed of silicon nitride; a front electrode connected to the second conductive semiconductor layer with passing through a part of the passivated layer and the anti-reflection film and exposed outward; and a rear electrode formed at an opposite side to the front electrode with the first conductive semiconductor substrate being interposed therebetween to be connected to the first conductive semiconductor substrate. | 03-11-2010 |
20100071762 | SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A solar cell includes a p-n structure having a first conductive semiconductor substrate, a second conductive semiconductor layer formed on the first conductive semiconductor substrate and having a conduction opposite to the first conductive semiconductor substrate, and a p-n junction formed at an interface between the first and second conductive semiconductor substrate/layer; a first anti-reflection film formed on the second conductive semiconductor layer and composed of SiNx:H thin film with 40-100 nm thickness; a second anti-reflection film formed on the first anti-reflection film and composed of silicon oxy-nitride; a front electrode formed on the second anti-reflection film in a predetermined pattern and connected to the second conductive semiconductor layer through the first and second anti-reflection films; and a rear electrode formed at an opposite side to the front electrode with the first conductive semiconductor substrate being interposed therebetween to be connected to the first conductive semiconductor substrate. | 03-25-2010 |
20100096013 | SOLAR CELL INCLUDING BACKSIDE REFLECTION LAYER COMPOSED OF HIGH-K DIELECTRICS - A solar cell includes a backside reflection layer containing a high-k dielectrics. The backside reflection layer includes a reflection film containing HfO | 04-22-2010 |
20100319763 | SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A method for manufacturing a solar cell may include forming an emitter region that forms a p-n junction with a semiconductor substrate of a first conductive type, forming a passivation layer on the semiconductor substrate, forming a dopant layer containing impurities of the first conductive type on the passivation layer, and locally forming a back surface field region at the semiconductor substrate by irradiating laser beams onto the semiconductor substrate to diffuse the impurities into the semiconductor substrate. | 12-23-2010 |
20110023960 | SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A solar cell includes a p-n structure having a first conductive semiconductor substrate, a second conductive semiconductor layer formed on the first conductive semiconductor substrate and having a conduction opposite to the first conductive semiconductor substrate, and a p-n junction formed at an interface between the first and second conductive semiconductor substrate/layer; a first anti-reflection film formed on the second conductive semiconductor layer and composed of SiNx:H thin film with 40-100 nm thickness; a second anti-reflection film formed on the first anti-reflection film and composed of silicon oxy-nitride; a front electrode formed on the second anti-reflection film in a predetermined pattern and connected to the second conductive semiconductor layer through the first and second anti-reflection films; and a rear electrode formed at an opposite side to the front electrode with the first conductive semiconductor substrate being interposed therebetween to be connected to the first conductive semiconductor substrate. | 02-03-2011 |
20140116506 | SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A method of manufacturing a solar cell includes forming jagged portions non-uniformly on a surface of a substrate, forming a first type semiconductor and a second type semiconductor in the substrate, forming a first electrode to contact the first type semiconductor, and forming a second electrode to contact the second type semiconductor. An etchant used in a wet etching process in manufacturing the solar cell includes about 0.5 wt % to 10 wt % of HF, about 30 wt % to 60 wt % of HNO | 05-01-2014 |
20140299187 | SOLAR CELL - Discussed is a solar cell including a semiconductor substrate, a first tunneling layer entirely formed over a surface of the semiconductor substrate, a first conductive type area disposed on the surface of the semiconductor substrate, and an electrode including a first electrode connected to the first conductive type area. | 10-09-2014 |
20140311567 | SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A solar cell includes a semiconductor substrate, a tunneling layer on one surface of the semiconductor substrate, a first conductive type area on the tunneling layer, a second conductive type area on the tunneling layer such that the second conductive type area is separated from the first conductive type area, and a barrier area interposed between the first conductive type area and the second conductive type area such that the barrier area separates the first conductive type area from the second conductive type area. | 10-23-2014 |
20140338747 | SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - Discussed is a solar cell including a semiconductor substrate including a base area and a doping area, a doping layer formed on the semiconductor substrate, the doping layer having a conductive type different from the doping area, a tunneling layer interposed between the doping layer and the semiconductor substrate, a first electrode connected to the doping area, and a second electrode connected to the doping layer. | 11-20-2014 |