| Patent application number | Description | Published |
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| 20120107997 | METHOD OF MANUFACTURING SOLAR CELL - In a method of manufacturing a solar cell, a first dopant layer is formed on a lower surface of a substrate and a diffusion-preventing layer is formed on an upper surface of the substrate. Then, the first dopant layer is patterned to expose portions of the lower surface of the substrate, and a second dopant layer is formed on the exposed portion of the lower surface of the substrate. A third dopant layer is formed on the diffusion-preventing layer, and the substrate is heated to diffuse dopants from the first, second, and third dopant layers into the substrate, thereby forming semiconductor areas in the substrate. | 05-03-2012 |
| 20120149144 | METHOD FOR MANUFACTURING SOLAR CELL - A method for manufacturing a solar cell is presented. The method includes: forming an amorphous silicon layer on a first surface of a light absorbing layer; doping the amorphous silicon layer with a dopant; forming a dopant layer by diffusing the dopant into the amorphous silicon layer with a laser; forming a semiconductor layer by removing the dopant that remains outside the dopant layer; etching the surface of the semiconductor layer by using an etchant; forming a first electrode on the semiconductor layer; and forming a second electrode on a second surface of the light absorbing layer. | 06-14-2012 |
| 20130092224 | PHOTOELECTRIC DEVICE - A photoelectric device includes a first semiconductor structure and a second semiconductor structure on a substrate, and the first semiconductor structure includes a different conductivity type from the second semiconductor structure. The photoelectric device also includes a first electrode on the first semiconductor structure and a second electrode on the second semiconductor structure, and an interlayer insulating structure adjacent to the second semiconductor structure. The interlayer insulating structure separates the first semiconductor structure from the second semiconductor structure and separates the first semiconductor structure from the second electrode. | 04-18-2013 |
| 20130095597 | METHOD OF MANUFACTURING PHOTOELECTRIC DEVICE - A method of manufacturing a solar cell including providing a semiconductor substrate having a first conductivity type; performing a first deposition process that includes forming a first doping material layer having a second conductivity type different from the first conductivity type; performing a drive-in process that includes heating the substrate having the first doping material layer thereon; performing a second deposition process after performing the drive-in process and including forming a second doping material layer on the first doping material layer, wherein the second doping material layer has the second conductivity type; locally heating portions of the substrate, the first doping material layer, and the second doping material layer with a laser to form a contact layer at a first surface of the substrate; and forming a first electrode on the contact layer and a second electrode on a second surface of the substrate opposite to the first surface. | 04-18-2013 |
| 20130104974 | SOLAR CELL AND MANUFACTURING METHOD THEREOF | 05-02-2013 |
| 20130112253 | SOLAR CELL - A solar cell including a first conductive type semiconductor substrate; a first intrinsic semiconductor layer on a front surface of the semiconductor substrate; a first conductive type first semiconductor layer on at least one surface of the first intrinsic semiconductor layer; a second conductive type second semiconductor layer on a back surface of the semiconductor substrate; a second intrinsic semiconductor layer between the second semiconductor layer and the semiconductor substrate; a first conductive type third semiconductor layer on the back surface of the semiconductor substrate, the third semiconductor layer being spaced apart from the second semiconductor layer; and a third intrinsic semiconductor layer between the third semiconductor layer and the semiconductor substrate. | 05-09-2013 |
| 20130125964 | SOLAR CELL AND MANUFACTURING METHOD THEREOF - A solar cell including a crystalline semiconductor substrate having a first conductive type; a first doping layer on a front surface of the substrate and being doped with a first conductive type impurity; a front surface antireflection film on the front surface of the substrate; a back surface antireflection film on a back surface of the substrate; an intrinsic semiconductor layer, an emitter, and a first auxiliary electrode stacked on the back surface antireflection film and the substrate; a second doping layer on the back surface of the substrate and being doped with the first impurity; an insulating film on the substrate and including an opening overlying the second doping layer; a second auxiliary electrode in the opening and overlying the second doping layer; a first electrode on the first auxiliary electrode; and a second electrode on the second auxiliary electrode and being separated from the first electrode. | 05-23-2013 |
| 20130267059 | METHOD OF MANUFACTURING PHOTOELECTRIC DEVICE - A method of manufacturing a photoelectric device, the method including: forming a first semiconductor layer on a semiconductor substrate through a first ion implantation; forming a second semiconductor layer having an inverted conductive type on a part of the first semiconductor layer through a second ion implantation; and performing thermal processing to restore lattice damage of the semiconductor substrate and activate a dopant into which ion implanted. | 10-10-2013 |
| 20140130854 | PHOTOELECTRIC DEVICE AND THE MANUFACTURING METHOD THEREOF - A photoelectric device includes: a semiconductor substrate including monocrystalline silicon and has first and second surfaces that are opposite to each other; a doping unit formed on the first surface of the semiconductor substrate; and an insulating layer that is formed between the doping unit and the second surface of the semiconductor substrate, wherein the doping unit includes: a first semiconductor layer including a first dopant doped in the monocrystalline silicon; and a second semiconductor layer including a second dopant doped in the monocrystalline silicon. | 05-15-2014 |
| Patent application number | Description | Published |
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| 20100154869 | PHOTOELECTRIC CONVERSION DEVICE AND MANUFACTURING METHOD THEREOF - Disclosed herein is a photoelectric conversion device having a semiconductor substrate including a front side and back side, a protective layer formed on the front side of the semiconductor substrate, a first non-single crystalline semiconductor layer formed on the back side of the semiconductor substrate, a first conductive layer including a first impurity formed on a first portion of a back side of the first non-single crystalline semiconductor layer, and a second conductive layer including the first impurity and a second impurity formed on a second portion of the back side of the first non-single crystalline semiconductor layer. | 06-24-2010 |
| 20100154872 | SOLAR CELL AND METHOD OF FABRICATING THE SAME - A solar cell and a method of fabricating the same are provided according to one or more embodiments. According to an embodiment, the solar cell includes a substrate, a back electrode layer formed on the substrate, a light absorbing layer formed on the back electrode layer, and a transparent electrode layer formed on the light absorbing layer, wherein the light absorbing layer is comprised of copper (Cu), gallium (Ga), indium (In), sulfur (S), and selenium (Se) and includes a first concentration region in which concentrations of sulfur (S) gradually decrease in the light absorbing layer going in a first direction from the back electrode layer to the transparent electrode layer. | 06-24-2010 |
| 20110048529 | SOLAR CELL - A solar cell includes a semiconductor substrate having a plurality of contact holes penetrating therethrough, from one surface to the opposing surface and including a part having a first conductive layer selected from p-type and n-type and a part having a second conductive layer different from the first conductive layer and selected from p-type and n-type semiconductor, a first electrode formed on one surface of the semiconductor substrate and electrically connected with the part having the first conductive layer, a second electrode formed on the other surface of the semiconductor substrate and electrically connected with the first electrode, and a third electrode formed on the same surface as in the second electrode and electrically connected with the part having the second conductive layer of the semiconductor substrate, wherein the plurality of contact holes form a contact hole group, and the first electrode and the second electrode are connected through one or more of the plurality of contact holes of the contact hole group. | 03-03-2011 |
| 20120129295 | METHOD OF MANUFACTURING PHOTOELECTRIC CONVERSION DEVICE - Disclosed herein is a photoelectric conversion device having a semiconductor substrate including a front side and back side, a protective layer formed on the front side of the semiconductor substrate, a first non-single crystalline semiconductor layer formed on the back side of the semiconductor substrate, a first conductive layer including a first impurity formed on a first portion of a back side of the first non-single crystalline semiconductor layer, and a second conductive layer including the first impurity and a second impurity formed on a second portion of the back side of the first non-single crystalline semiconductor layer. | 05-24-2012 |
