Patent application number | Description | Published |
20100224228 | SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME, AND SOLAR CELL MODULE - A charge transferor of a solar cell, which collects and transfer charges generated from a semiconductor substrate, includes at least one electrode collecting the charges; and at least one collector transferring the charges collected by the at least one electrode, the at least one collector being included in at least one collector region on the substrate, wherein the at least one collector region in a first direction comprises at least one deletion portion where the at least one collector is not formed. | 09-09-2010 |
20110284067 | PASTE AND SOLAR CELL USING THE SAME - A solar cell is discussed. The solar cell includes a base substrate containing first impurities of a first conductive type and having a textured surface, an emitter layer that is positioned at the textured surface of the base substrate and contains second impurities of a second conductive type different from the first conductive type, and a front electrode electrically connected to the emitter layer. The front electrode collects carriers generated in the base substrate or the emitter layer. At least a portion of the front electrode transmits incident light from the outside. | 11-24-2011 |
20110284069 | SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A solar cell is discussed. The solar cell includes an anti-reflection unit positioned on an emitter unit and including a first anti-reflection film having a first refractive index and a second anti-reflection film having a second refractive index different from the first refractive index, wherein a plurality of depressions are formed on at least one surface of a substrate, a depth of each of the plurality of depressions is ⅓ to 1 times a distance between centers of at least two immediately adjacent depressions, and a width of each of the plurality of depressions is 1 to 3 times the depth of each of the plurality of depressions. | 11-24-2011 |
20110308608 | SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A solar includes a substrate of a first conductive type, an emitter region of a second conductive type opposite to the first conductive type and forming a p-n junction with the substrate, a first anti-reflection layer positioned on the emitter region, a first electrode connected to the emitter region, a second anti-reflection layer positioned on the first anti-reflection layer and the first electrode, and a second electrode connected to the substrate. | 12-22-2011 |
20120017981 | SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A solar cell and a method for manufacturing the solar cell are discussed. The solar cell includes a substrate, an emitter layer formed at an incident surface of the substrate, a first electrode part connected to the emitter layer, and a textured surface positioned on the incident surface of the substrate, at which the emitter layer is formed. The textured surface includes a plurality of depressions. A surface of an area of the substrate, on which the first electrode part is formed, is a flat surface not including the plurality of depressions. | 01-26-2012 |
20120090675 | SEMICONDUCTOR SUBSTRATE FOR SOLAR CELL AND SOLAR CELL - A solar cell include a polycrystalline semiconductor substrate of a p-type, an emitter region of an n-type and forming a p-n junction with the polycrystalline semiconductor substrate, a first electrode connected to the emitter region, and a second electrode connected to the polycrystalline semiconductor substrate, wherein the polycrystalline semiconductor substrate has a pure p-type impurity concentration of substantially 7.2×10 | 04-19-2012 |
20120180861 | SOLAR CELL - A solar cell includes a substrate of a first conductive type, an emitter region, which is positioned at the substrate and is doped with impurities of a second conductive type opposite the first conductive type, a plurality of first electrodes, which are connected to the emitter region and extend parallel to one another to be spaced apart from one another, a plurality of semiconductor electrodes, which extend in a direction different from an extension direction of the plurality of first electrodes to be spaced apart from one another and have an impurity doping concentration higher than the emitter region, and a second electrode connected to the substrate. A distance between two adjacent semiconductor electrodes is about | 07-19-2012 |
20120184063 | METHOD FOR MANUFACTURING SOLAR CELL - A method for manufacturing a solar cell includes forming an impurity doped region of a second conductive type at a substrate of a first conductive type, sequentially irradiating laser shots onto the impurity doped region of the substrate to form an emitter part including a first emitter region having a first sheet resistance and a second emitter region having a second sheet resistance less than the first sheet resistance, and forming a plurality of first electrodes connected to the second emitter region and forming a second electrode connected to the substrate. | 07-19-2012 |
20120192942 | 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 semiconductor substrate containing first impurities of a first conductive type, an anti-reflection layer which is positioned on the semiconductor substrate and has a fixed charge of the first conductive type, an ohmic contact region in which second impurities of a second conductive type different from the first conductive type of the first impurities of the semiconductor substrate are selectively positioned at the semiconductor substrate, a plurality of first electrodes which are positioned on the ohmic contact region and are connected to the ohmic contact region, and a second electrode connected to the semiconductor substrate. | 08-02-2012 |
20120222740 | SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME, AND SOLAR CELL MODULE - A charge transferor of a solar cell, which collects and transfer charges generated from a semiconductor substrate, includes at least one electrode collecting the charges; and at least one collector transferring the charges collected by the at least one electrode, the at least one collector being included in at least one collector region on the substrate, wherein the at least one collector region in a first direction comprises at least one deletion portion where the at least one collector is not formed. | 09-06-2012 |
20130025656 | SOLAR CELL - A solar cell includes a substrate of a first conductive type, an emitter region of a second conductive type opposite the first conductive type and which forms a p-n junction along with the substrate, an anti-reflection layer positioned on the emitter region, a front electrode part electrically connected to the emitter region, and a back electrode part electrically connected to the substrate. The substrate includes a first area formed of single crystal silicon and a second area formed of polycrystalline silicon. A thickness of the anti-reflection layer positioned in the first area is less than a thickness of the anti-reflection layer positioned in the second area. | 01-31-2013 |
20140076394 | SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A solar cell includes a substrate, an emitter region including a lightly doped emitter region having a first sheet resistance and a heavily doped emitter region having a second sheet resistance less than the first sheet resistance, a first dielectric layer positioned on the emitter region, a first electrode including a first finger electrode positioned on the heavily doped emitter region in a first direction and a first bus bar electrode positioned on the lightly doped emitter region in a second direction, and a second electrode positioned on the substrate. The first finger electrode includes a seed layer contacting the heavily doped emitter region and a conductive metal layer formed on the seed layer, and the first bus bar electrode includes electrically conductive metal particles and a thermosetting resin. | 03-20-2014 |
20140338738 | SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A solar cell includes a substrate of a first conductive type, a first doped region positioned at a first surface of the substrate and contains impurities of a second conductive type different from the first conductive type, and a first electrode part electrically connected to the first doped region. The first electrode part includes a thermosetting resin, and first and second conductive particles distributed in the thermosetting resin. The second conductive particles have a work function greater than the first conductive particles and form silicide at an interface contacting the first doped region. | 11-20-2014 |