Patent application number | Description | Published |
20090260685 | SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - A solar cell and a method of manufacturing the same are provided. The solar cell includes a semiconductor unit, an electrode, and a passivation layer between the semiconductor unit and the electrode. The passivation layer includes a first layer containing silicon oxide (SiO | 10-22-2009 |
20100275965 | SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - A solar cell and a method of manufacturing the same are disclosed. The solar cell includes a substrate of a first conductive type; an emitter layer of a second conductive type opposite the first conductive type on the substrate; a first electrode electrically connected to the emitter layer; a passivation layer on the substrate; a second electrode conductive layer on the passivation layer, the second electrode conductive layer including at least one second electrode electrically connected to the substrate through the passivation layer; and a second electrode current collector electrically connected to the second electrode conductive layer. | 11-04-2010 |
20100275993 | SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - A solar cell and a method of manufacturing the same are disclosed. The solar cell includes a substrate of a first conductive type; an emitter layer of a second conductive type opposite the first conductive type; at least one first electrode on the emitter layer and electrically connected to the emitter layer; a passivation layer on the substrate, the passivation layer including a plurality of exposing portions to expose respective portions of the substrate; and an electrode conductive layer on the passivation layer, the electrode conductive layer including a plurality of second electrodes electrically connected to the respective plurality of exposing portions, wherein in each of the plurality of exposing portions, an area of an exposed surface of the substrate is greater than an area of a virtual interface that is coplanar with an interface between the substrate and the passivation layer and which is located over the exposed surface. | 11-04-2010 |
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 |
20120118372 | SOLAR CELL - A solar cell includes a substrate of a first conductive type, an emitter layer which is positioned at an incident surface of the substrate and has a second conductive type opposite the first conductive type, a front electrode which is positioned on the incident surface of the substrate and is electrically connected to the emitter layer, a back passivation layer which is positioned on a back surface opposite the incident surface of the substrate, has at least one hole, and contains intrinsic silicon, and a back electrode layer positioned on the back passivation layer. The back electrode layer is electrically connected to the substrate through the at least one hole of the back passivation layer and contains a distribution of a silicon material. | 05-17-2012 |
20120180860 | SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A solar cell and a method for manufacturing the same are disclosed. The method for manufacturing the solar cell includes forming an emitter region of a second conductive type opposite a first conductive type at a first surface of a substrate of the first conductive type by using an ion implantation method, forming a passivation layer on a second surface positioned opposite the first surface of the substrate, and forming a first electrode, which is positioned on the first surface of the substrate and is connected to the emitter region, and a second electrode, which is positioned on the second surface of the substrate and is selectively connected to the substrate through the passivation layer. | 07-19-2012 |
20130025665 | SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A solar cell and a method for manufacturing the same are discussed. The solar cell includes a substrate of a first conductive type, an emitter region of a second conductive type opposite the first conductive type positioned at the substrate, a first electrode which is positioned on the substrate and is connected to the emitter region, at least one second electrode which is positioned on the substrate and is connected to the substrate, and an aluminum oxide layer positioned on a front surface and a back surface of the substrate excluding areas of the substrate on which the first electrode and the at least one second electrode are formed. | 01-31-2013 |
20140352770 | SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - Discussed is a solar cell including a semiconductor substrate, a first conductive type region formed on a surface of the semiconductor substrate, a second conductive type region formed on the other surface of the semiconductor substrate, the second conductive type region being spaced from an edge of the semiconductor substrate and having a conductive type different from that of the first conductive type region, an isolation portion formed at a perimeter of the second conductive type region on the other surface of the semiconductor substrate, a first electrode connected to the first conductive type region, and a second electrode connected to the second conductive type region, wherein the second conductive type region has a boundary portion in a part adjacent to the isolation portion, and in which a doping concentration or a junction depth varies over a width of the boundary portion. | 12-04-2014 |
20140357008 | METHOD OF MANUFACTURING SOLAR CELL AND METHOD OF FORMING DOPING REGION - A method of manufacturing a solar cell is disclosed. The method includes forming a doping region including first and second portions having different doping concentrations by ion-implanting a dopant into a semiconductor substrate and forming an electrode connected to the doping region. In the forming of the doping region, the first and second portions are simultaneously formed by the same process using a mask that is disposed at a distance from the semiconductor substrate. | 12-04-2014 |