Abstract: A photovoltaic device is disclosed, which includes a transparent substrate, a set of photovoltaic cells and at least one bypass diode device. The photovoltaic cells are connected to each other in series and include a plurality of front electrode segments formed on the transparent substrate, a plurality of photoelectric conversion segments of semiconductor material formed on the front electrode segments, and a plurality of first back electrode segments of metal formed on the photoelectric conversion segments respectively. The bypass diode device is formed on the transparent substrate and substantially equal in layer construction to each of the photovoltaic cells, where the bypass diode and the photovoltaic cells share two or more of the front electrode segments.

Abstract: A photovoltaic module includes at least one photovoltaic cell, a back plate, at least two ribbons, an encapsulant layer, and a filler. The back plate is disposed over the photovoltaic cell, in which the back plate has a ribbon hole therein. The ribbons are electrically connected to the photovoltaic cell and pass through the ribbon hole. The encapsulant layer is disposed between the back plate and the photovoltaic cell, in which the encapsulant layer has at least one through hole therein, and both of the ribbons pass through the through hole. The filler fills the through hole of the encapsulant layer, in which a flowability of a material of the filler is greater than a flowability of a material of the encapsulant layer.

Abstract: A solar cell including an upconverting luminescent material and a back reflecting layer is provided. The upconverting material can be located in any positions below the semiconductor layer of the solar cell. Therefore, the unabsorbed incident light, from the top direction, can be upconverted to light with shorter wavelengths and redirected by the back reflecting layer back to the semiconductor layer to increase the utilization rate of the incident light.

Abstract: A solar tracking system and method are provided. The solar tracking system comprises a photovoltaic cell device, a light sensor module to detect intensity of sunlight, a driving device, a history database, a time generator for generating an accurate present time and a control module. The control module controls the driving device to change an attitude of the photovoltaic cell device to track the sun by referencing sun position data entries in the history database according to the accurate present time and determine whether the intensity of the sunlight exceeds a specific threshold. When the intensity of the sunlight exceeds a specific threshold, the sun is tracked according to the intensity of sunlight and a present sun position is recorded in the history database. On the contrary, a restricted area around a referenced sun position data entry is searched to track the sun.

Abstract: A power generating system for a building is provided, the building has a wall structure and a curtain wall covering the wall structure. The power generating system includes an energy conversion module, a detecting module, a control module and a regulating module. The energy conversion module is integrated with the curtain wall for generating a first electrical power. The detecting module is used for detecting a second electrical power related to the consumption of an electrical system of the building. The control module is communicatively connected with the energy conversion module and the detecting module, for generating a control signal based on the first electrical power and the second electrical power. Additionally, the regulating module is communicatively connected with the control module, for receiving the control signal and regulating a cooling fluid flow between the wall structure and the curtain wall based on the control signal.

Abstract: Disclosed herein is a solar tracking system. The solar collector has a first end and a second end. The fulcrum is located between the first end and the second end of the solar collector. The solar collector revolves eastward or westward about the fulcrum. The water container is attached to the first end of the solar collector and has a water inlet and a water outlet valve. The first resilient member is secured to and supports an underside of the first end or second end of the solar collector. The first trigger switch is used to detect if the water container is empty of water to open the water input valve to supply water and close the water outlet valve. The second trigger switch is used to detect if the water container is full of water to close the water input valve and open the water outlet valve to drain water out of the water container.

Abstract: Disclosed herein is a photovoltaic module, which includes a photovoltaic member, a moisture-resistant layer, a mounting frame covering and a buffer layer. The buffer layer disposed between the moisture-resistant layer and the mounting frame, where the buffer layer is made of a material selected from the group consisting of polypropylene-based polymer, polyethylene-based polymer, polyurethane-based polymer, ethylene-vinyl acetate-based resin and a combination thereof.

Abstract: Disclosed herein is an electrically connecting element, which comprises a thin-film photovoltaic cells and an electrically connecting element disposed on a back surface of the film photovoltaic cells. The electrically connecting element comprises a conductive wire and an insulating wrapper wrapped around the conductive wire. The conductive wire has two ends and a bonding portion positioned therebetween. The insulating wrapper has a notch exposing the bonding portion. The two ends extend out of the insulating wrapper. At least one of the two ends is in contact with a bus electrode of the film photovoltaic cells, and the bonding portion is in contact with another bus electrode of the film photovoltaic cells.

Abstract: A thin film photoelectric conversion module includes a substrate, a first electrode layer, at least one photoelectric conversion layer and a second electrode layer. The first electrode layer is deposited on the substrate, wherein the first electrode layer includes a plurality of first electrode rows extending along a current flow direction. Any immediately-adjacent two of the first electrode rows have a row of unoverlapped through holes formed therebetween. The photoelectric conversion layer is deposited on the first electrode layer. The second electrode layer is deposited on the photoelectric conversion layer.

Abstract: A mounting device is fastened over various types of standing seams of a roof. The mounting device includes a mounting body, a wedge-like core and two bolts. The mounting body includes a slot extending therethrough with a trapezoidal cross-section, a first tapped hole and a second tapped hole, wherein the slot has an opening at a relatively short side of a pair of parallel sides of the trapezoidal cross-section. The wedge-like core is sandwiched between a pair of nonparallel sides of the slot. A first bolt is screwed into the first tapped hole and has an end in contact with the wedge-like core for securing a standing seam. A second bolt is screwed into the second tapped hole for securing a desired object on the roof.

Abstract: A photovoltaic module is disclosed, which includes a support, a photovoltaic module, and four brackets for fastening the photovoltaic panel on the support. The ratio of the length distance to the width distance of the s centers of the brackets is same as the ratio of the length to the width of the photovoltaic panel with 3% tolerance.

Abstract: A solar cell array and a solar cell module with an extended area (Generally by increasing the width) active subcell are described. The solar cell array includes a fixing beam, at least one solar cell module and a fixing clip for fixing the at least one solar cell module on the fixing beam. The solar cell module further includes a dummy area formed on an edge of the solar cell module, a first active subcell formed next to the dummy area, and a second active subcell formed next to the first active subcell. The area of the first active subcell is larger than the area of the second active subcell to compensate for an area of the fixing clip overlapping on the first active subcell.

Abstract: A method of making a monolithic photovoltaic module having a flexible substrate is described. The method includes the following steps. First, a flexible substrate is provided, and a first adhesive layer, a metal layer, and a second adhesive layer are formed thereon. The second adhesive layer, the metal layer and the first adhesive layer are etched with at least one etching paste. In addition, a patterned semiconductor body layer patterned by an etching paste or a laser scribing is formed thereon. Furthermore, transparent top electrodes patterned by an etching paste or a cold laser scribing are formed on the patterned semiconductor body layer.

Abstract: A solar module is disclosed, which includes a solar cell panel, a back plate disposed on the solar cell panel and having a hole, a junction box disposed on the back plate, plural metallic wires passing through the hole for connecting the solar cell panel and the junction box, and a moisture absorbent disposed between the junction box and the solar cell panel to absorb the moisture around the hole.

Abstract: A photovoltaic module installation device is provided, which is used for installing a photovoltaic module on a roof. The photovoltaic module installation device includes a fixture clipped on the roof, a lower connection piece locked on the fixture, a first support frame disposed on the lower connection piece, an upper connection piece and a second support frame. The upper connection piece is fitted on the first support frame and is locked with the lower connection piece. The second support frame is perpendicularly fixed on the first support frame, and the photovoltaic module is fixed on the second support frame.

Abstract: A solar cell with graded bandgap is provided to increase the efficiencies of using the solar energy by a solar cell. The solar cell with graded bandgap above sequentially comprises a transparent conductive layer, a polysilicon layer, and conductive layer on a substrate. The polysilicon layer has a gradually increased bandgap from a first interface contacting the transparent conductive layer to the second interface contacting the conductive layer.

Abstract: Disclosed herein is a backsheet for a photovoltaic module. The backsheet includes a dielectric layer, an adhesive layer disposed on the dielectric layer, a barrier layer disposed on the adhesive layer and bonded to the dielectric layer via the adhesive layer, and a weather resistant layer directly disposed on and bonded to the barrier layer by a powder coating method.

Abstract: A photovoltaic module and a junction box thereof are provided. The photovoltaic module includes a photovoltaic panel, a box body, an electrode and a metal fastener. The photovoltaic panel has a plurality of interconnecting wires. The electrode is located in the box body for electrically connecting to an interconnecting wire of a photovoltaic panel. The metal fastener is fixed on the electrode for clamping an interconnecting wire between the metal fastener and the electrode.

Abstract: A photovoltaic panel includes a substrate, a photovoltaic array formed on the substrate; two bus bars formed on the substrate and electrically connected to the photovoltaic array; two interconnecting wires connected to the bus bars; two partially-overlapped first insulation films; a first encapsulating film; a rear substrate; and a junction box disposed on the rear substrate. The first insulation films are located between the interconnecting wires and the photovoltaic array. The first encapsulating film covers the photovoltaic array, the bus bars, the interconnecting wires and the first insulation films. The first encapsulating film has two first slits for allowing the interconnecting wires to pass through. The rear substrate covers the first encapsulating film and has at least one opening for allowing the interconnecting wires to pass through. The interconnecting wires are electrically connected between the junction box and the bus bars to output the current produced by the photovoltaic array.

Abstract: A thin film photoelectric conversion module is provided. The thin film photoelectric conversion module includes a substrate and a plurality of photoelectric conversion cells formed on the substrate and connected to each other in series to form a series-connected array. The thin film photoelectric conversion module further comprises a plurality of first electrode rows extending along a current flow direction and a resistive material electrically connected to adjacent two of the first electrode rows, wherein the resistive material has an electrical resistivity no less than 10?9 ohm-cm, wherein when the resistive material is a material different from that of the first electrode rows, the resistive material makes adjacent two of the first electrode rows at least partially connected, and when the resistive material is a material the same as that of the first electrode rows, the resistive material makes adjacent two of the first electrode rows partially connected.