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Seong-Joon

Seong-Joon Hong, Gyeonggi-Do KR

Patent application numberDescriptionPublished
20100260635DISCHARGE VALVE FOR LINEAR COMPRESSOR - A discharge valve is adapted to a linear compressor which is elastically supported in an axial direction by a discharge valve spring and which opens/closes a compression space defined between a cylinder and a piston, the discharge valve comprising: a body made from a metal material; and a coating layer made from a plastic material to wrap the body. The linear compressor provided with such a discharge valve is ensured with a satisfactory level of strength with less use of materials.10-14-2010

Seong-Joon Hong, Sungnam-Si KR

Patent application numberDescriptionPublished
20100242721LINEAR COMPRESSOR - The present invention provides a linear compressor, including: a cylinder having a compression space of refrigerant therein; a piston linearly reciprocated inside the cylinder to compress the refrigerant; a supporter connected to the back of the piston; a plurality of front and rear main springs for elastically supporting the supporter; a motor cover installed at the front of the supporter with a predetermined interval in an axis direction to support the front main springs, a pair of supporting ends being formed by partially cutting an inner portion of the motor cover and bent backward; and a rear cover installed at the back of the supporter with a predetermined interval in an axis direction to support the rear main springs, and fixedly welded to the supporting ends of the motor cover. Unnecessary parts of the motor cover can be welded to the rear cover to prevent a material loss, and a mass-production process can be simplified to improve productivity.09-30-2010

Seong-Joon Jeong, Suwon-Si KR

Patent application numberDescriptionPublished
20080252564Plasma display panel and method of driving the same - Provided is a method of driving a plasma display panel (PDP) that comprises X electrodes, Y electrodes, and address electrodes, wherein a frame, which is a display cycle, comprises a plurality of subfields for time-divisional gray scale display. Each of the subfields includes a reset period, an address period, and a sustain period. The reset period is one of a main reset period during which both a rising pulse and a falling pulse are applied to the Y electrodes and an auxiliary reset period during which one of the rising pulse and the falling pulse is applied to the Y electrodes, and the main reset period comprises a first pulse time during which a pulse rising to a level of a first voltage and then falling to a level of a second voltage is applied to the Y electrodes and a second pulse time during which a pulse rising to a level of a third voltage and then falling to a level of a fourth voltage is applied to the Y electrodes.10-16-2008
20090040147Plasma display and driving method thereof - The plasma display includes a controller and a driver. The controller divides one frame into a plurality of subfields, and establishes address and sustain periods in the respective subfields according to a subfield load ratio indicating a ratio of light emitting cells in the respective subfields. The driver selects a light emitting cell among the plurality of discharge cells during the established address period and sustain-discharges the light emitting cell during the established sustain period.02-12-2009
20090213105DRIVING METHOD OF PLASMA DISPLAY PANEL - A driving method for a plasma display panel capable of stabilizing a sustain discharge. The driving method for a plasma display panel according to exemplary embodiments of the present invention includes applying a signal gradually rising to a first voltage to scan electrodes during a first period of a sustain period, and applying a second voltage to sustain electrodes during the first period.08-27-2009

Patent applications by Seong-Joon Jeong, Suwon-Si KR

Seong-Joon Lee, Yongin-Si KR

Patent application numberDescriptionPublished
20110281140BATTERY PACK - A battery pack including a rechargeable battery cell; an electrode tap that is partially exposed from an outside of the rechargeable battery cell; a protection circuit module (PCM) comprising a protection circuit with respect to the rechargeable battery cell; and a connection block disposed on the PCM, for electrically connecting the electrode tap to the PCM.11-17-2011

Seong-Joon Lim, Pohang-Si KR

Patent application numberDescriptionPublished
20090166641Thin film transistor, method of fabricating a thin film transistor and flat panel display device having the same - A thin film transistor (TFT) includes a substrate, a transparent semiconductor layer on the substrate, the transparent semiconductor layer including zinc oxide and exhibiting a charge concentration of about 1×1007-02-2009

Seong-Joon Moon, Gyonggi-Do KR

Patent application numberDescriptionPublished
20080300301Composition for Promoting Production of Hyaluronic Acid Containing Kaempferol and Quercetin - Disclosed is a composition for promoting a production of hyaluronic acid containing at least one of kaempferol and quercetin. Kaempferol and quercetin of the invention increase an expression of a hyaluronic acid synthase (HAS) gene existing in a skin cell line of human epidermis, thereby promoting a production of hyaluronic acid in the human cell. Accordingly, the composition containing at least one of kaempferol and quercetin according to the invention can be usefully used as a cosmetic composition for increasing skin elasticity and preventing skin dryness or aging, or a pharmaceutical composition for treating or preventing a degenerative arthritis.12-04-2008