Patent application number | Description | Published |
20110000536 | Solar cell and method of manufacturing the same - The present invention relates to solar cells. Such solar cells include a substrate containing a first impurity of a first conductive type and having a textured surface with a plurality of jagged portions. Such solar cells also have an emitter layer positioned on the textured surface and containing a second impurity of a second conductive type opposite to the first conductive type, a first electrode having a plurality of first metal particles, electrically connected to the emitter layer, and a second electrode electrically connected to the substrate. The diameter of the first metal particles is larger than the peak-to-peak distance between adjacent jagged portions. | 01-06-2011 |
20110139239 | SOLAR CELL - A solar cell includes a substrate having a textured surface, the textured surface including a plurality of jagged portions; an emitter region forming a p-n junction with the substrate; a plurality of first electrodes connected to the emitter region; and a second electrode connected to the substrate, wherein each of the plurality of jagged portions has a diameter and a height that are equal to or less than 1 μm, and each of the plurality of first electrodes has a width of about 20 μm to about 80 μm. | 06-16-2011 |
20110197964 | SOLAR CELL - A solar cell is discussed. The solar cell includes a substrate of a first conductive type; a first emitter region of a second conductive type opposite the first conductive type and forming a p-n junction with the substrate; a front electrode unit on a first surface of the substrate, and connected to the first emitter region; a back surface field region of the first conductive type formed at a second surface of the substrate opposite the first surface, and having a lattice shape with a plurality of internal portions; a rear passivation layer unit formed on the second surface, and a rear electrode electrically connected to the substrate. | 08-18-2011 |
20110253210 | SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A method for manufacturing a solar cell includes forming a textured surface having a plurality of jagged portion at a surface of a substrate of a first conductive type; forming an emitter portion by doping an impurity into the substrate, the emitter portion having a second conductive type opposite to the first conductive type; removing a portion of the emitter portion by using a dry etching method, to form an emitter region; forming an anti-reflection layer on the emitter region; and forming a first electrode connected to the emitter region and a second electrode connected to the substrate. | 10-20-2011 |
20110277826 | SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A solar cell includes a substrate of a first conductive type; an emitter part of a second conductive type positioned at a front surface of the substrate; a first silicon thin film layer positioned on the emitter part and including amorphous silicon containing impurities of the second type that are doped therein; a first transparent conductive layer positioned on the first silicon thin film layer and electrically connected with the emitter part; a first electrode positioned on the first transparent conductive layer and electrically connected with the first transparent conductive layer; and a second electrode positioned on a back surface of the substrate. For example, the first silicon thin film layer includes N | 11-17-2011 |
20130160839 | SOLAR CELL - A solar cell is discussed. The solar cell includes a substrate of a first conductive type, an emitter region which is positioned at a front surface of the substrate and has a second conductive type different from the first conductive type, a front passivation region including a plurality of layers which are sequentially positioned on the emitter region, a back passivation region which is positioned on a back surface opposite the front surface of the substrate and includes three layers, a plurality of front electrodes which pass through the front passivation region and are connected to the emitter region, and at least one back electrode which passes through the back passivation region and is connected to the substrate. | 06-27-2013 |
20130255777 | 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 formed of an n-type crystalline semiconductor, an emitter region of a p-type positioned at a first surface of the substrate, a first dielectric layer positioned on a second surface opposite the first surface of the substrate, second dielectric layers respectively positioned on the emitter region and the first dielectric layer, a third dielectric layer positioned on the second dielectric layer that is positioned on the emitter region, 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 connected to the substrate. | 10-03-2013 |
20130298974 | SOLAR CELL, METHOD FOR MANUFACTURING DOPANT LAYER, AND METHOD FOR MANUFACTURING SOLAR CELL - In a method of manufacturing a solar cell includes forming a dopant layer by doping a dopant of a first conductive type and a count dopant of a second conductive type opposite to the first conductive type to a surface of a semiconductor substrate. Here, a doping amount of the count dopant is less than a doping amount of the dopant. | 11-14-2013 |
20130298975 | SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A solar cell according to an embodiment includes a semiconductor substrate; a first dopant layer formed at one surface of the semiconductor substrate; and a first electrode electrically connected to the first dopant layer. At least a part of the first dopant layer includes a pre-amorphization element, and a concentration of the pre-amorphization element in one portion of the first dopant layer is different from a concentration of the pre-amorphization element in another portion of the first dopant layer. | 11-14-2013 |
20130344647 | METHOD FOR MANUFACTURING SOLAR CELL AND DOPANT LAYER THEREOF - A method for manufacturing a dopant layer of a solar cell according to an embodiment of the invention includes: ion-implanting a dopant to a substrate; and heat-treating for an activation of the dopant. In the heat-treating for the activation, the substrate is heat-treated at a first temperature after an anti-out-diffusion film is formed at a temperature lower than the first temperature under a first gas atmosphere. | 12-26-2013 |