Byunghun
Byunghun Han, Seoul KR
Patent application number | Description | Published |
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20140347346 | DISPLAY DRIVER INTEGRATED CIRCUIT AND A DISPLAY SYSTEM INCLUDING THE SAME - A display driver integrated circuit includes a gate driving unit configured to control voltages of a plurality of gate lines connected to a display panel, a voltage boosting unit configured to supply a gate voltage to the gate driving unit, and a control logic, unit configured to receive data, a horizontal synchronization signal, and a vertical synchronization signal, generate a gate control signal based on the data, the horizontal synchronization signal, and the vertical synchronization signal, and transfer the gate control signal to the gate driving unit and the voltage boosting unit. The voltage boosting unit adjusts a level of the gate voltage based on the gate control signal. | 11-27-2014 |
Byunghun Kim, Ulsan KR
Patent application number | Description | Published |
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20160097745 | APPARATUS AND METHOD FOR DETECTING DEFECT OF PRESS PANEL - An apparatus for detecting a defect of a press panel includes: an acoustic emission sensor unit configured to detect at least one elastic wave signal emitted from the press panel as a detection target during press work, a period measurer configured to measure a period as a section in which there are consecutive signals with a greater voltage than a threshold voltage among the at least one detected signals, and a defect existence determination unit configured to determine that a defect is generated in the press panel when the measured period is greater than a first reference value, and to determine that the press panel is in a normal state when the measured period is smaller than a second reference value which is smaller than the first reference value. | 04-07-2016 |
Byunghun Oh, Daejeon KR
Patent application number | Description | Published |
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20140106236 | NOVEL POLYMER ELECTROLYTE AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - Disclosed is a polymer electrolyte having a multilayer structure including a first polymer layer providing mechanical strength against external force and a second polymer layer to secure a conduction path for lithium ions, wherein the first polymer layer includes an organic electrolyte containing an ionic salt in an amount of 0 wt % to 60 wt % based on a weight of a polymer matrix of the first polymer layer and the second polymer layer includes an organic electrolyte containing an ionic salt in an amount of 60 wt % to 400 wt % based on a weight of a polymer matrix of the second polymer layer, and a lithium secondary battery including the same. | 04-17-2014 |