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Kwangseon

Kwangseon Hwang, Jeonju KR

Patent application number	Description	Published
20110103991	Scroll fluid machine - A fixed scroll board	05-05-2011

Kwangseon Hwang, Jeonbuk KR

Patent application number	Description	Published
20110123324	Scroll fluid machine - In a scroll fluid machine where an orbiting scroll fixed to a pivot shaft eccentrically revolves, a fixed portion is provided on a bottom of a casing, and a swing column is provided between the fixed portion and the orbiting scroll or between the fixed portion and the pivot shaft. The fixed portion withstands the thrust load of the orbiting scroll, which has been transferred by the swing column.	05-26-2011

Kwangseon Lee, Seoul KR

Patent application number	Description	Published
20090085842	PLASMA DISPLAY APPARATUS - A plasma display apparatus includes a plasma display panel (PDP) and electrode drivers. The electrode drivers supply driving voltages to scan electrodes and sustain electrodes of the PDP through a connection circuit which includes a base film and electrode line groups electrically separated from one another. Electrodes from a first electrode line group are connected to sustain electrodes of a first sustain electrode group and electrode lines from a second electrode line group to sustain electrodes of a second sustain electrode group. During a predetermined period of an address period, a first bias voltage is applied to the sustain electrodes of the first sustain electrode group and a second bias voltage different from the first bias voltage is applied to the sustain electrodes of the second sustain electrode group.	04-02-2009
20090091515	PLASMA DISPLAY APPARATUS AND RELATED TECHNOLOGIES - A plasma display apparatus includes a plasma display panel having a screen on which the plasma display panel displays an image, a driver unit that supplies at least one drive signal to the plasma display panel, and a control unit that monitors an input signal to the plasma display apparatus and controls the driver unit based on the monitored input signal. The input signal includes data arranged in frames. The control unit is configured to provide the driver unit with a drive modification signal when the input signal for multiple frames is such that a brightness level for an image corresponding to each of the frames is less than a threshold level. The driver unit is configured to adjust the drive signal supplied to the plasma display panel in response to the drive modification signal.	04-09-2009