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Ju Hwan Yun, Seoul KR

Ju Hwan Yun, Seoul KR

Patent application numberDescriptionPublished
20080216504AUTOMATIC LIQUID DISPENSER AND REFRIGERATOR WITH THE SAME - An automatic liquid dispenser and a refrigerator with the same is disclosed wherein a level of liquid to be ejected into a receptacle can be established, and a display module is mounted to thereby enhance a user convenience, and wherein the automatic liquid dispenser is mounted on the refrigerator to allow being independently driven and manufactured.09-11-2008
20090151782Hetero-junction silicon solar cell and fabrication method thereof - Disclosed are a hetero-junction silicon solar cell and a fabrication method thereof. The hetero-junction silicon solar cell according to the present invention forms a pn junction of a crystalline silicon substrate and a passivation layer doped with impurities so as to minimize a recombination of electrons and holes, making it possible to maximize efficiency of the hetero-junction silicon solar cell. The present invention provides a hetero-junction silicon solar cell comprising a crystalline silicon substrate and a passivation layer that is formed on the crystalline silicon substrate and is doped with impurities.06-18-2009
20090260681SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - The present invention relates to a solar cell and a method for manufacturing the same. More specifically, the present invention provides a silicon solar cell capable of minimizing defects and recombination of electrons-holes by removing a damaged layer formed by a laser edge isolation process to isolate a silicon substrate and covering a protective layer on a surface thereof and a method for manufacturing the same.10-22-2009
20100167457LASER FIRING APPARATUS FOR HIGH EFFICIENCY SOLAR CELL AND FABRICATION METHOD THEREOF - Disclosed are a laser firing apparatus for a high efficiency solar cell including laser generating unit and a fabrication method thereof. The laser firing apparatus for a high efficiency solar cell includes at least one laser generating unit that irradiates a laser irradiation on to an electrode region formed on a semiconductor substrate for the solar cell and heat-treats the electrode region. In addition, the fabrication method of a solar cell includes forming an electrode material on a semiconductor substrate for the solar cell; and forming an electrode by heat treating the electrode material by laser irradiation.07-01-2010
20110017258SOLAR CELL AND FABRICATION METHOD THEREOF - A back contact solar cell comprises a first dopant diffusion part and a second dopant diffusion part formed on a rear surface of an n-type semiconductor wafer with a predetermined distance formed therebetween by a diffusion prevention part for ensuring no contact with each other and suppressing the diffusion of dopant; and an electrode configured of an anode and a cathode each connected to the first dopant diffusion part and the second dopant diffusion part. According to the present invention, the back contact solar cell is capable of preventing light loss and improving its efficiency by forming an electrode to be positioned on a rear surface of a semiconductor wafer through a simple process and by simultaneously implementing an anode electrode and a cathode electrode on the semiconductor wafer without having a grid electrode restricting incidence of sunlight.01-27-2011
20110100457BACK CONTACT SOLAR CELL AND FABRICATION METHOD THEREOF - The present invention discloses a back contact solar cell comprising: a first conductive type semiconductor substrate having a front surface and a rear surface of a texturing structure; an oxide layer formed on the front surface of the substrate; at least one first conductive type semiconductor region and second conductive type semiconductor region alternatively formed at predetermined intervals on the rear surface of the substrate; an oxide layer formed on the remaining rear surface of the substrate except for the first conductive type semiconductor region and the second conductive type semiconductor region; and electrodes formed on each of the first conductive type semiconductor region and the second conductive type semiconductor region.05-05-2011
20120000517SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - The present invention relates to a solar cell and a method for manufacturing the same. More specifically, the present invention provides a silicon solar cell capable of minimizing defects and recombination of electrons-holes by removing a damaged layer formed by a laser edge isolation process to isolate a silicon substrate and covering a protective layer on a surface thereof and a method for manufacturing the same.01-05-2012
20120003781SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - The present invention relates to a solar cell and a method for manufacturing the same. More specifically, the present invention provides a silicon solar cell capable of minimizing defects and recombination of electrons-holes by removing a damaged layer formed by a laser edge isolation process to isolate a silicon substrate and covering a protective layer on a surface thereof and a method for manufacturing the same.01-05-2012

Patent applications by Ju Hwan Yun, Seoul KR