Jeong-Mo
Jeong Mo Yang, Suwon, Gyunggi-Do KR
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20140177295 | PHASE SHIFT CIRCUIT AND POWER FACTOR CORRECTION CIRCUIT INCLUDING THE SAME - There are provided a phase shift circuit and a power factor correction circuit including the same. The phase shift circuit includes a switching circuit unit charging power in or discharging power from a capacitor through a plurality of switching devices and comparing a voltage of the capacitor with a predetermined reference voltage, and a clock generating unit generating a reference clock signal based on an output of the switching circuit unit, wherein the switching circuit unit turns the plurality of switching devices on or off, based on currents from inductors respectively included in a main circuit and a sub-circuit of a power factor correction circuit to determine a polarity of the voltage of the capacitor. | 06-26-2014 |
Jeong Mo Yang, Gyeonggi-Do KR
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20130148384 | INTEGRATED RESONANCE AND POWER FACTOR CORRECTION CONTROL INTEGRATED CIRCUIT AND POWER CONVERTER - Provided are a resonance and PFC integrated control IC and a power converter. The resonance and PFC integrated control IC includes an interleave PFC control block and a resonance control block. The interleave PFC control block is configured to control first and second switches of an interleave switching converter and correct a power factor. The interleave switching converter includes a first converter comprising the first switch and a second converter comprising the second switch, and the first converter and the second converter are connected in parallel. The resonance control block is configured to resonate and control a Direct Current (DC)-DC converter that receives and converts the output of the interleave switching converter. | 06-13-2013 |
Jeong Mo Yang, Suwon-Si KR
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20140177107 | OVERLOAD AND SHORT-CIRCUIT SENSING CIRCUIT AND CONVERTER PROTECTING CIRCUIT AND METHOD - Disclosed herein are an overload and short-circuit sensing circuit and a converter protecting circuit and method. The overload and short-circuit sensing circuit includes: an overcurrent sensing unit sensing a primary current of a converter; a voltage level adjusting unit adjusting a voltage level of the sensed primary current; a rectifying unit rectifying the signal adjusted by the voltage level adjusting unit; a short-circuit sensing unit sensing a current induced to a primary side of the converter due to a short-circuit or an overcurrent at a secondary side of the converter, separately from the overcurrent sensing unit; and a delay unit delaying the signal provided from the rectifying unit and the induced current sensing signal provided from the short-circuit sensing unit and providing the delayed signals to a control circuit for protecting the converter. | 06-26-2014 |
Jeong-Mo Ahn, Gyeongg-Do KR
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20150095845 | ELECTRONIC DEVICE AND METHOD FOR PROVIDING USER INTERFACE IN ELECTRONIC DEVICE - Provided is an electronic device including an inputtable display that is divided into a first region and a second region in a first mode in which a layer for displaying data of the first region is displayed on the second region and a controller configured to identically apply an event occurring on the layer to the first region of the display, upon occurrence of the event on the layer. | 04-02-2015 |
Jeong-Mo Hawang, San Jose, CA US
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20120028398 | SYSTEMS AND METHODS FOR CHARGING SOLAR CELL LAYERS - Systems and methods of the present invention can be used to charge a charge-holding layer (such as a passivation layer and/or antireflective layer) of a solar cell with a positive or negative charge as desired. The charge-holding layer(s) of such a cell can include any suitable dielectric material capable of holding either a negative or a positive charge, and can be charged at any suitable point during manufacture of the cell, including during or after deposition of the passivation layer(s). A method according to one aspect of the invention includes disposing a solar cell in electrical communication with an electrode inside a chamber. The solar cell includes an emitter, a base, a first passivation layer adjacent the emitter, and a second passivation layer adjacent the base. Gas is injected into the chamber and a plasma (with photons having an energy level of at least about 3.1 eV) is generated using the gas. One or more of the first passivation layer and the second passivation layer is charged to a predetermined polarity, wherein the charging includes applying a direct current voltage pulse to the electrode for a predetermined period of time. | 02-02-2012 |
Jeong-Mo Hong, Seoul KR
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20150205889 | METHOD AND APPARATUS OF FLUID SIMULATION - A fluid simulation method and apparatus is provided. The fluid simulation method according to an embodiment of the present invention comprises setting initial conditions of level set and velocity field for a simulation object and setting FLIP particles according to the set initial condition of the level set and the set initial condition of the velocity field; updating the level set and the velocity field by advection of the level set and the velocity field; reconstructing the updated level set and the updated velocity field; redeploying the FLIP particles for the simulation object; projecting the updated velocity field to have incompressibility; and updating velocity of each of the deployed particles. | 07-23-2015 |
Jeong-Mo Hwang, Phoenix, AZ US
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20140150850 | SOLAR CELL COATING - Embodiments of the present invention help prevent Potential-Induced Degradation (PID) in solar cell modules. A solar cell module according to one embodiment of the present invention comprises a glass sheet, a frame covering at least a portion of the glass sheet, a plurality of solar cells at least partially covered by the glass sheet, and a hydrophobic coating covering at least a portion of the frame and at least a portion of the glass sheet. | 06-05-2014 |
Jeong-Mo Hwang, Tempe, AZ US
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20140057386 | Systems and Methods for Depositing and Charging Solar Cell Layers - Systems and methods of the present invention may be used to charge a layer (such as a passivation layer and/or antireflective layer) of a solar cell (e.g., wafer) with a positive or negative charge. The layer may retain the charge to improve operation of the solar cell. The charged layer may include any suitable dielectric material capable of retaining either a negative or a positive charge. Systems and methods of the present invention permit in-situ charging of a layer. Charging of a layer may be accomplished during or after deposition of the layer including after completing the whole solar cell process, in other words, on a finished cell. | 02-27-2014 |
20140057387 | Systems and Methods for Depositing and Charging Solar Cell Layers - Systems and methods of the present invention may be used to charge a layer (such as a passivation layer and/or antireflective layer) of a solar cell (e.g., wafer) with a positive or negative charge. The layer may retain the charge to improve operation of the solar cell. The charged layer may include any suitable dielectric material capable of retaining either a negative or a positive charge. Systems and methods of the present invention permit in-situ charging of a layer. Charging of a layer may be accomplished during or after deposition of the layer including after completing the whole solar cell process, in other words, on a finished cell. | 02-27-2014 |
20140057388 | Systems and Methods for Depositing and Charging Solar Cell Layers - Systems and methods of the present invention may be used to charge a layer (such as a passivation layer and/or antireflective layer) of a solar cell (e.g., wafer) with a positive or negative charge. The layer may retain the charge to improve operation of the solar cell. The charged layer may include any suitable dielectric material capable of retaining either a negative or a positive charge. Systems and methods of the present invention permit in-situ charging of a layer. Charging of a layer may be accomplished during or after deposition of the layer including after completing the whole solar cell process, in other words, on a finished cell. | 02-27-2014 |