Patent application number | Description | Published |
20100243058 | THIN-FILM PHOTOELECTRIC CONVERSION DEVICE - This invention intends to develop a technique for forming an interlayer with excellent optical characteristics and to provide a photoelectric conversion device having high conversion efficiency. To realize this purpose, a series connection through an intermediate layer is formed in the thin-film photoelectric conversion device of the invention, and the interlayer is a transparent oxide layer in its front surface and n pairs of layers stacked therebehind (n is an integer of 1 or more), wherein each of the pair of layers is a carbon layer and a transparent oxide layer stacked in this order. Film thicknesses of each layer are optimized to improve wavelength selectivity and stress resistance while keeping the series resistance. | 09-30-2010 |
20110197957 | SILICON-BASED THIN FILM SOLAR CELL AND METHOD FOR MANUFACTURING SAME - A method for manufacturing a silicon-based thin film solar cell including a crystalline silicon photoelectric conversion unit which contains a p-type layer ( | 08-18-2011 |
20110290322 | SUBSTRATE WITH TRANSPARENT CONDUCTIVE FILM AND THIN FILM PHOTOELECTRIC CONVERSION DEVICE - Disclosed is a substrate with a transparent conductive film, wherein an underlying layer and a transparent conductive film are arranged in this order on a transparent insulating substrate. The transparent conductive film-side surface of the underlying layer is provided with a pyramid-shaped or inverse pyramid-shaped irregular structures, and the transparent conductive film comprises a first transparent electrode layer which is formed on the underlying layer and a second transparent electrode layer which forms the outermost surface of the transparent conductive film. By forming a zinc oxide layer that serves as the second transparent electrode layer by a reduced pressure CVD method, a substrate with a transparent conductive film that is provided with an irregular structure smaller than that of the underlying layer can be obtained. The substrate with a transparent conductive film can improve the conversion efficiency of a photoelectric conversion device through an increased light trapping effect. | 12-01-2011 |
20110315190 | THIN FILM SOLAR CELL MODULE - Provided is a thin film solar cell module including series-connected unit cells, wherein a thin film silicon photoelectric conversion unit and a compound semiconductor-containing photoelectric conversion unit are electrically connected in each unit cell. Each unit cell includes at least a transparent electrode, an amorphous silicon-containing photoelectric conversion unit, an intermediate transparent electrode layer, a photoelectric conversion unit, a compound semiconductor-based photoelectric conversion unit, and a metal electrode in this order from the light incident side. In each of the unit cells, the photoelectric conversion unit and the compound semiconductor-based photoelectric conversion unit are connected in series to form a series-connected component. The series-connected component is connected to a first photoelectric conversion unit in parallel via the transparent electrode and the intermediate transparent electrode layer. | 12-29-2011 |
20120097244 | CRYSTALLINE SILICON BASED SOLAR CELL AND METHOD FOR MANUFACTURING THEREOF - Provided is a hetero-junction solar cell with a silicon crystalline substrate of small thickness but exhibiting less warpage, and having a high photoelectric conversion efficiency. The crystalline silicon substrate has a thickness of 50 μm to 200 μm, and has a rough structure on the light-incident-side surface thereof. The surface of the transparent conductive layer in the light incidence side has an irregular structure. The top-bottom distance in the irregular structure of the transparent conductive layer in the light-incidence-side is preferably smaller than the top-bottom distance in the rough structure of the crystalline silicon substrate in the-light-incidence side. The distance between tops of the projections in the irregular structure on the surface of the transparent conductive layer in the light incidence side is preferably smaller than the distance between tops of the projections in the rough structure on the surface of the crystalline silicon substrate in the light incidence side. | 04-26-2012 |
20120126206 | ORGANIC SEMICONDUCTOR DEVICE - An organic semiconductor device according to the present invention includes a semiconductor layer | 05-24-2012 |
20130146132 | CRYSTALLINE SILICON-BASED SOLAR CELL - The present invention improves a photoelectric conversion efficiency of a crystalline silicon-based solar cell. The crystalline silicon based solar cell includes a silicon-based thin-film of a first conductivity type and a first transparent electrode layer, in this order, on one surface of a conductive single-crystal silicon substrate, and a silicon-based thin-film of the opposite conductivity type and a second transparent electrode layer, in this order, on the other surface of the conductive single-crystal silicon substrate. The first and second transparent electrode layers are each formed of a transparent conductive metal oxide, and the first transparent electrode layer preferably has at least two layers, and a total thickness of 50 to 120 nm, wherein the carrier density of the substrate-side electroconductive layer is higher than that of the surface-side electroconductive layer, and the carrier density of the surface-side electroconductive layer is 1 to 4×10 | 06-13-2013 |
20130203210 | METHOD FOR MANUFACTURING SILICON-BASED SOLAR CELL - Disclosed is a method for manufacturing a crystalline silicon-based photoelectric conversion device having a first intrinsic silicon-based layer, a p-type silicon-based layer and a first transparent electroconductive layer, positioned in this order on one surface of a conductive single-crystal silicon substrate, and having a second intrinsic silicon-based layer, an n-type silicon-based layer and a second transparent electroconductive layer, positioned in this order on the other surface of the conductive single-crystal silicon substrate. In the present invention, a heat treatment is carried out after at least one of the transparent electroconductive layers is formed. This heat treatment is carried out at a temperature of less than 200° C. under a hydrogen-containing atmosphere. | 08-08-2013 |
20130210185 | METHOD FOR MANUFACTURING PHOTOELECTRIC CONVERSION DEVICE - A crystalline-based silicon photoelectric conversion device comprises: an intrinsic silicon-based layer and a silicon-based layer of a first conductivity type, on one surface of a single-crystal silicon substrate of the first conductivity type; and an intrinsic silicon-based and a silicon-based layer of an opposite conductivity type, in this order on the other surface of the silicon substrate. At least one of forming the intrinsic silicon-based layer of the first conductivity type layer-side forming the intrinsic silicon-based layer of the opposite conductivity type layer-side includes: forming a first intrinsic silicon-based thin-film layer having a thickness of 1-10 nm on the silicon substrate; plasma-treating the silicon substrate in a gas containing mainly hydrogen; and forming a second intrinsic silicon-based thin-film layer on the first intrinsic silicon-based thin-film. | 08-15-2013 |
20130312827 | SOLAR CELL AND METHOD OF MANUFACTURE THEREOF, AND SOLAR CELL MODULE - Disclosed is a solar cell having a collecting electrode on one main surface of a photoelectric conversion section. The collecting electrode includes a first electroconductive layer and a second electroconductive layer in this order from the photoelectric conversion section side, and further includes an insulating layer between the first electroconductive layer and the second electroconductive layer. The first electroconductive layer includes a low-melting-point material, and a part of the second electroconductive layer is conductively connected with the first electroconductive layer through, for example, an opening in the insulating layer. The second electrode layer is preferably formed by a plating method. In addition, it is preferable that before forming the second electroconductive layer, annealing by heating is carried out to generate the opening section in the insulating layer. | 11-28-2013 |
20140124030 | THIN FILM SOLAR CELL AND METHOD FOR MANUFACTURING SAME - The invention relates to a thin film solar cell including a transparent substrate, a transparent electrode layer, at least one photoelectric conversion unit, and a back electrode layer in this order from the light incident side. The transparent substrate includes a transparent base, a transparent undercoat layer having fine particles and a binder, and an insulating irregularity layer in this order from the light incident side. Consequently, light reflection by the transparent substrate is suppressed and optical path length of the incident light is increased due to light diffusion, so that improved optical confinement effect can be achieved. | 05-08-2014 |
20140232951 | SUBSTRATE WITH TRANSPARENT ELECTRODE, METHOD FOR MANUFACTURING THEREOF, AND TOUCH PANEL - The substrate with a transparent electrode includes a first dielectric material layer mainly composed of SiO | 08-21-2014 |
20140370275 | SUBSTRATE WITH TRANSPARENT ELECTRODE AND METHOD FOR MANUFACTURING SAME - The present invention relates to a substrate with a transparent electrode, which has a transparent electrode layer on at least one surface of a transparent film base material. The transparent film base material has a transparent dielectric material layer containing an oxide as a main component on a surface at the transparent electrode layer side. In one embodiment of the present invention, the transparent electrode layer is a crystalline transparent electrode layer that has a crystallinity degree of 80% or more. In this embodiment, the crystalline transparent electrode layer has a resistivity of 3.5×10 | 12-18-2014 |
20150075601 | Solar Cell, Solar Cell Manufacturing Method, and Solar Cell Module - A solar cell includes a photoelectric conversion section having first and second principal surfaces, and a collecting electrode formed on the first principal surface. The collecting electrode includes first and second electroconductive layers in this order from the photoelectric conversion section side, and includes an insulating layer between the first and second electroconductive layers. The insulating layer is provided with an opening, and the first and second electroconductive are in conduction with each other via the opening provided in the insulating layer. The solar cell has, on the first principal surface, the second principal surface or a side surface of the photoelectric conversion section, an insulating region freed of a short circuit of front and back sides of the photoelectric conversion section, and the surface of the insulating region is at least partially covered with the insulating layer. | 03-19-2015 |