Patent application number | Description | Published |
20120055544 | SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - A solar cell with improved energy efficiency is presented. The solar cell includes a substrate having a plurality of cell areas separated by a cell separation area, back electrodes spaced apart from each other by a gap, a light absorbing layer, a transparent electrode layer, and a buffer layer. Each of the back electrodes is disposed over neighboring cell areas and a cell separation area. The light absorbing layer is disposed on the back electrodes and in the gap to absorb incident light. A contact hole extends through the light absorbing layer to a portion of the back electrodes. The transparent electrode layer disposed on the light absorbing layer connects to the back electrodes through the contact hole. The buffer layer is disposed between the light absorbing layer and the transparent electrode layer to cover upper and side surfaces of the light absorbing layer. | 03-08-2012 |
20120094424 | GAS INJECTION DEVICE AND SOLAR CELL MANUFACTURING METHOD USING THE SAME - A solar cell manufacturing method includes forming a first electrode on a substrate, forming a mixed metal layer on the first electrode, forming a light absorbing layer by injecting hydrogen selenide on the entire surface of the mixed metal layer using a gas injection device, and forming a second electrode on the light absorbing layer. Further, the gas injection device includes a gas pipeline, an inner gas pipe positioned in the gas pipeline and having an opening, and a plurality of injection nozzles disposed below the gas pipeline. | 04-19-2012 |
20130280852 | DEVICE FOR JETTING GAS AND SOLAR CELL MANUFACTURING METHOD USING THE SAME - A device for disposing a gas, the device including: a chamber; a plurality of gas jetting plates disposed in the chamber, each gas jetting plate of the plurality of gas jetting plates including a plurality of gas jetting holes disposed on a surface thereof; and a gas pipe fluidly connected to the gas jetting plate and extending outside the chamber, wherein each gas jetting plate includes a first stage, which is fluidly connected to the gas pipe, and a final stage, which includes the plurality of gas jetting holes. | 10-24-2013 |
20140061338 | GAS INJECTION DEVICE AND SOLAR CELL MANUFACTURING METHOD USING THE SAME - A solar cell manufacturing method includes forming a first electrode on a substrate, forming a mixed metal layer on the first electrode, forming a light absorbing layer by injecting hydrogen selenide on the entire surface of the mixed metal layer using a gas injection device, and forming a second electrode on the light absorbing layer. Further, the gas injection device includes a gas pipeline, an inner gas pipe positioned in the gas pipeline and having an opening, and a plurality of injection nozzles disposed below the gas pipeline. | 03-06-2014 |
20140144374 | DEVICE FOR MANUFACTURING A FILM USED FOR A SOLAR CELL - A film forming device for a solar cell according to an exemplary embodiment of the present invention includes a chamber configured to receive a substrate and including a body having a hollow portion, a heating device in the hollow portion, and an insulating member configured to enclose the substrate and the heating device. | 05-29-2014 |
20140245949 | FILM FORMING DEVICE FOR SOLAR CELL - A film forming device for a solar cell includes a chamber including a body configured to receive a substrate, the chamber defining a hollow portion, a heating device at the hollow portion, and a heat insulating member for surrounding the substrate and the heating device. | 09-04-2014 |
Patent application number | Description | Published |
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 |
20110287579 | METHOD OF MANUFACTURING SOLAR CELL - A method of manufacturing a solar cell is presented. | 11-24-2011 |
20120094423 | DEVICE FOR JETTING GAS AND SOLAR CELL MANUFACTURING METHOD USING THE SAME - A device for disposing a gas, the device including: a chamber; a plurality of gas jetting plates disposed in the chamber, each gas jetting plate of the plurality of gas jetting plates including a plurality of gas jetting holes disposed on a surface thereof; and a gas pipe fluidly connected to the gas jetting plate and extending outside the chamber, wherein each gas jetting plate includes a first stage, which is fluidly connected to the gas pipe, and a final stage, which includes the plurality of gas jetting holes. | 04-19-2012 |
Patent application number | Description | Published |
20130215655 | SWITCH CONTROLLER, SWITCH CONTROL METHOD, AND POWER SUPPLY DEVICE COMPRISING THE SWITCH CONTROLLER - An exemplary embodiment of the present invention relates to a switch controller, a method for controlling a switch, and a power supply including the switch controller. According to the exemplary embodiment of the present invention, an AC input passed through a dimmer is rectified such that an input voltage is generated, and the input voltage is transmitted to the power switch. A charging current is generated using a voltage that depends on the input voltage, a zero cross-point at which the input voltage becomes zero voltage is detected using a detection voltage output from a current source, and a reference signal synchronized at the detected zero cross-point is generated. | 08-22-2013 |
20130342938 | SHORT SENSING CIRCUIT, SHORT SENSING METHOD AND POWER SUPPLY DEVICE COMPRISING THE SHORT SENSING CIRCUIT - A short-circuit sense circuit and a power supply according to an exemplary embodiment of the present invention use an auxiliary voltage, which is a both-end voltage of an auxiliary coil coupled with a predetermined turn ratio to a secondary side coil coupled to an output voltage. After termination of a start-up period, the short-circuit sense circuit samples a sense voltage, which is a voltage of a node between a first sense resistor and a second sense resistor coupled in series to both ends of the auxiliary coils and determines whether a short-circuit occurs according to a short-circuit sense signal that depends on a result of comparison between the sampled voltage and a predetermined reference voltage. | 12-26-2013 |
20130343090 | ACTIVE BLEEDER, ACTIVE BLEEDING METHOD, AND POWER SUPPLY DEVICE WHERE THE ACTIVE BLEEDER IS APPLIED - An active bleeder according to an exemplary embodiment of the present invention includes a bleed switch coupled to the input voltage and an active bleeding controller generating a bleed reference voltage according to a result of counting a period during which the input voltage is generated and switching the bleed switch according to a result of comparison between the bleed reference voltage and a bleed sense voltage corresponding to a current flowing to the bleed switch. | 12-26-2013 |