Abstract: In one aspect of the present invention, a photovoltaic module includes a plurality of sub-modules. Each sub-module includes a plurality of photovoltaic cells spatially arranged as an array, each cell having first and second conductive layers sandwiching an active layer therebetween. The cells in each sub-module are electrically connected to each other in series. Each sub-module further includes positive and negative electrodes formed on the second conductive layers of the first and last cells, respectively, in a respective sub-module. The positive electrode of each sub-module is electrically connected to each other and the negative electrode of each sub-module is electrically connected to each other such that the plurality of sub-modules is electrically connected in parallel. The plurality of sub-modules is spatially arranged next to each other as an array such that at least one sub-module is spatially separated from its immediately next sub-module by a gap.

Abstract: In one aspect of the present invention, a photovoltaic panel includes a substrate, a reflective layer formed on the substrate, a first conductive layer formed on the reflective layer, an active layer formed on the first conductive layer, and a second conductive layer formed on the active layer. The reflective layer has an index of refraction and a thickness such that the reflectance spectrum of the photovoltaic device for light incident on the substrate has a maximum in a selected wavelength range in the visible spectrum.

Abstract: A thin film solar cell including a substrate, a first conductive layer, a photoelectric conversion layer, a second conductive layer and a passivation layer is provided. The first conductive layer disposed on the substrate has a plurality of first openings, so as to divide the first conductive layer into bottom electrodes of a plurality of photovoltaic elements. The photoelectric conversion layer disposed on the first conductive layer has a plurality of second openings. The second conductive layer is disposed on the photoelectric conversion layer and electrically connected to the first conductive layer through the second openings. The passivation layer is disposed on the sidewall of the photoelectric conversion layer, so that the second conductive layer in the second openings is electrically isolated from the photoelectric conversion layer. A manufacturing method of the thin film solar cell is also provided.

Abstract: A thin-film solar cell includes a body and a polymer layer. The body includes a first electrode layer, a photoelectric conversion layer, and a second electrode layer, and the polymer layer includes a hardening material and an interface material. The photoelectric conversion layer is disposed between the first electrode layer and the second electrode layer, and the polymer layer surrounds the photoelectric conversion layer, in which the interface material is used for bonding to the hardening material and the photoelectric conversion layer respectively. Therefore, the thin-film solar cell may reduce the Staebler-Wronski Effect generated by the photoelectric conversion layer in the photoelectric conversion procedure. Accordingly, the photoelectric conversion efficiency is improved.

Abstract: A thin-film solar cell and a method for manufacturing the same are presented, in which the dopant concentration turns low in a sloping way. The solar cell includes a substrate, a first contact region, a photoelectric conversion layer, and a second contact region. The first contact region a photoelectric conversion layer, and a second contact region are disposed on the substrate. At least one of the first contact region and the second contact region contains an N-type dopant, and the concentration of the N-type dopant is decreased gradually in a direction towards the photoelectric conversion layer. Through the thin-film solar cell and the method for manufacturing the same, the conversion efficiency of the solar cell is improved, and the thin-film solar cell and the manufacturing method are capable of being integrated with an existing manufacturing process of a solar cell, thereby simplifying the manufacturing process and reducing the cost.

Abstract: A thin film solar cell includes a transparent substrate, a first transparent conductive layer, a photovoltaic layer, a second transparent conductive layer, a first adhesive layer and a reflective layer is provided. The first transparent conductive layer is disposed on a back surface of the transparent substrate. The photovoltaic layer is disposed on the first transparent conductive layer. The second transparent conductive layer is disposed on the photovoltaic layer. The first adhesive layer is disposed on the second transparent conductive layer. The reflective layer is disposed on the first adhesive layer. The surface of the first adhesive layer in contact with the reflective layer is a texture structure. The light beam passing the first adhesive layer is reflected by the texture structure or the reflective layer and transmitted back to the photovoltaic layer, and the wavelength range of the reflected light beam is substantially between 600 nm and 1,100 nm.

Abstract: A thin film solar cell includes a substrate, a plurality of photovoltaic cells and at least one control unit. The photovoltaic cells generate a photocurrent respectively. Each photovoltaic cell includes a first conductive layer disposed on the substrate, a photovoltaic layer and a second conductive layer. The photovoltaic layer disposed on the first conductive layer has an opening exposing the first conductive layer. The second conductive layer disposed on the photovoltaic layer is connected electrically to the first conductive layer of the adjacent photovoltaic cell through the opening. The control unit is connected to at least one of the photovoltaic cell electrically. When the photocurrent generated by at least one of the photovoltaic cells is different from the photocurrent generated by other photovoltaic cells, the control unit provided a compensable current to the first photovoltaic cell to make the photocurrents provided by the overall photovoltaic cells being matched.

Abstract: A thin-film solar cell and a manufacture method thereof are provided. The thin-film solar cell comprises a transparent substrate, a first transparent conductive layer, a photovoltaic layer, a second transparent conductive layer and a light reflecting structure. The transparent substrate has a light incident surface and a back surface opposite to the light incident surface. The first transparent conductive layer is disposed on the back surface of the transparent substrate. The photovoltaic layer is disposed on the first transparent conductive layer. The second transparent conductive layer is disposed on the photovoltaic layer. The light reflecting structure is disposed on the second transparent conductive layer. The manufacture method forms the light reflecting structure having a texture structure on the thin film to enhance utilization of light beams in the thin-film solar cell so as to further improve photoelectric conversion efficiency of the thin-film solar cell.

Abstract: In one aspect of the present invention, a photovoltaic panel includes a substrate, a reflective layer formed on the substrate, a first conductive layer formed on the reflective layer, an active layer formed on the first conductive layer, and a second conductive layer formed on the active layer. The reflective layer has an index of refraction and a thickness such that the reflectance spectrum of the photovoltaic device for light incident on the substrate has a maximum in a selected wavelength range in the visible spectrum.

Abstract: A solar glass is used for building-integrated photovoltaic (BIPV). From a light-incident side to a light-emitting side, the solar glass sequentially includes a front substrate, a first electrode layer, a photoelectric conversion layer, a second electrode layer, a low emissivity (Low-E) film, and a back substrate. The photoelectric conversion layer is used for receiving light energy and converting the light energy into electric energy. The Low-E film allows visible light to pass through and reflects infrared light. By using a structure of the solar glass, the thickness of the solar glass may be greatly reduced.

Abstract: A screen-printing method for forming a screen-printing layer on an object includes following steps. A screen is disposed on the object and ink is applied on the screen. The screen comprises a screen frame, a screen cloth, and an emulsion layer. Each warp and each weft of the screen are respectively parallel with or perpendicular to the screen frame. Each warp is perpendicular to each weft. The emulsion layer having a screen-printing pattern is disposed on the screen. A flood bar is moved along a first direction for covering the screen cloth with the ink. The ink is pressed downward by a scraper and the scraper is moved along a second direction for transferring part of the ink on the object through the screen-printing pattern, wherein a first angle between the scraper and the warps is in a range of 15° to 20° while the scraper is moved.

Abstract: A solar cell module. In one embodiment, the solar cell module includes a substrate, a battery unit, a first strip electrode and a second strip electrode. The substrate has a plurality of power generation zones and at least one cutting zone, and the cutting zone is located among the power generation zones. The battery unit is disposed on the power generation zones and the cutting zones of the substrate. The first strip electrode is disposed on the battery unit, and located at a first end power generation zone of the power generation zones. The second strip electrode is disposed on the battery unit, and located at a second end power generation zone of the power generation zones.

Abstract: A thin-film solar cell module includes a substrate, a plurality of thin-film solar cells, a first ribbon, and a second ribbon. The thin-film solar cells are disposed on the substrate in a first direction, and the thin-film solar cell module has an isolation zone between the two thin-film solar cells next to each other. Each of the thin-film solar cells includes a first electrode layer, a photoelectric conversion layer, and a second electrode layer, in which the photoelectric conversion layer and the second electrode layer are disposed on the first electrode layer with a portion of the first electrode layer exposed. The first ribbon is used for connecting the exposed portion of the first electrode layer in each of the thin-film solar cells, and the second ribbon is used for connecting each of the second electrode layers.

Abstract: A method for cleaning a deposition chamber includes the following steps. A steam treatment is carried out on the deposition chamber to remove a contaminant in the deposition chamber by a steam. Then, a vacuum treatment is carried out on the deposition chamber to pump the steam containing the contaminant out of the deposition chamber. A time ratio of the steam treatment to the vacuum treatment is smaller than or equal to 0.65.

Abstract: A delivery device for delivering a substrate of a solar cell includes a plurality pairs of conveyer rollers arranged along a delivering path. Each pair of the conveyer rollers includes a first and second conveyer rollers respectively having first and second axes extending perpendicularly to the delivering path, and first and second aligners disposed circumferentially and respectively on the first and second conveyer rollers. The first and second conveyer rollers are made from polytethrafluoroethylene. The first and second aligners cooperatively define a carrier region for carrying the substrate thereon for delivery.

Abstract: A solar cell module includes a substrate having a thin-film layer patterned in a manner to form with a split window and a solar cell disposed on the substrate. The solar cell includes plurality of material layers and a plurality of split ways corresponding to the material layers. The scope of the split window is constituted by at least one of the split ways.

Abstract: A solar cell module includes a substrate, a first electrode layer, an active layer, a second electrode layer and a plurality of reflective layers. The first electrode layer is disposed on the substrate. The active layer is disposed on the first electrode layer. The second electrode layer is disposed on the active layer. The reflective layers are coated respectively on the second electrode layer.

Abstract: A thin film solar cell including a substrate, a first conductive layer, a photoelectric conversion layer, a second conductive layer and a passivation layer is provided. The first conductive layer disposed on the substrate has a plurality of first openings, so as to divide the first conductive layer into bottom electrodes of a plurality of photovoltaic elements. The photoelectric conversion layer disposed on the first conductive layer has a plurality of second openings. The second conductive layer is disposed on the photoelectric conversion layer and electrically connected to the first conductive layer through the second openings. The passivation layer is disposed on the sidewall of the photoelectric conversion layer, so that the second conductive layer in the second openings is electrically isolated from the photoelectric conversion layer. A manufacturing method of the thin film solar cell is also provided.

Abstract: A solar cell structure including a photovoltaic layer, an upper electrode, a lower electrode, and a passivation layer is provided. The photovoltaic layer has an upper surface, a lower surface and a plurality of side surfaces, wherein the photovoltaic layer includes a first type and a second type semiconductor layer. The upper electrode is disposed at the upper surface of the photovoltaic layer and electrically connected with the second type semiconductor layer, wherein the second type semiconductor layer is between the upper electrode and the first type semiconductor layer. The bottom electrode is disposed at the bottom surface of the photovoltaic layer and electrically connected with the first type semiconductor layer, wherein the first type semiconductor layer is between the bottom electrode and the second type semiconductor. The passivation layer covers at least one of the side surfaces so as to reduce the leakage current formed on the side surfaces.

Abstract: A thin film solar cell including a substrate, a first conductive layer, a first photovoltaic layer, a second conductive layer and a crystallization layer is provided. The first conductive layer is disposed on the substrate. The first photovoltaic layer is disposed on the first conductive layer. The second conductive layer is disposed on the first photovoltaic layer. The crystallization layer is at least partially disposed between the first photovoltaic layer and the first conductive layer or between the first photovoltaic layer and the second conductive layer. A manufacturing method of the thin film solar cell is also provided.