Patents by Inventor Suk-Jae Park
Suk-Jae Park has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8466853Abstract: A driving method of a plasma display device according to an exemplary embodiment groups a plurality of address electrodes extending in a first direction into a plurality of groups, and logically divides each of the groups into a plurality of sub-groups. During a first period, a first pulse is sequentially applied to the plurality of groups, and a second pulse is sequentially applied to the plurality of sub-groups included in at least one of the plurality of groups during a second period following the first period. The first and second periods are address periods for sensing in a second direction crossing the first direction.Type: GrantFiled: June 11, 2010Date of Patent: June 18, 2013Assignee: Samsung SDI Co., Ltd.Inventors: Tae-Yong Song, Suk-Jae Park, Woo-Joon Chung
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Patent number: 8362978Abstract: A plasma display is disclosed. The display includes driver circuitry which drives the display so that a low level luminance can be generated in a subfield despite high luminance efficient pixels.Type: GrantFiled: August 2, 2010Date of Patent: January 29, 2013Assignee: Samsung SDI Co., Ltd.Inventors: Suk-Jae Park, Woo-Joon Chung, Yeon-Sung Jung
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Patent number: 7928975Abstract: In a plasma display and a driving method thereof, a misfiring prevention period is provided between a reset period and an address period in response to a temperature of the plasma display being higher than predetermined temperature or a weight value of a previous subfield being higher than a predetermined weight value. In the misfiring prevention period, a first voltage higher than a voltage supplied to a sustain electrode is supplied during a first period, and a voltage at a scan electrode is gradually decreased from a second voltage to a third voltage during a second period subsequent to the first period.Type: GrantFiled: July 20, 2007Date of Patent: April 19, 2011Assignee: Samsung SDI Co., Ltd.Inventors: Suk-Jae Park, In-Ju Choi, Seung-Won Choi, Seung-Min Kim
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Publication number: 20110037749Abstract: A plasma display is disclosed. The display includes driver circuitry which drives the display so that a low level luminance can be generated in a subfield despite high luminance efficient pixels.Type: ApplicationFiled: August 2, 2010Publication date: February 17, 2011Applicant: Samsung SDI Co., Ltd.Inventors: Suk-Jae Park, Woo-Joon Chung, Yeon-Sung Jung
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Publication number: 20100315378Abstract: A plasma display device with touch sensing function includes a display panel having a plurality of first and second electrodes, and third electrodes crossing the first and second electrodes, and first, second and third drivers adapted to drive the first, second and third electrodes in a plurality of subfields including a sensing subfield having a first period and a second period. During the first period, the first driver is adapted to apply a first voltage higher than a reference voltage to the first electrodes, the second driver is adapted to time sequentially apply a second voltage lower than the first voltage to the second electrodes. During the second period, the first driver is adapted to apply a fourth voltage lower than the first voltage to the first electrodes, and the third driver is adapted to time sequentially apply a third voltage higher than the reference voltage to the third electrodes.Type: ApplicationFiled: January 21, 2010Publication date: December 16, 2010Inventors: Tae-Yong Song, Suk-Jae Park, Woo-Joon Chung
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Publication number: 20100315409Abstract: A driving method of a plasma display device according to an exemplary embodiment groups a plurality of address electrodes extending in a first direction into a plurality of groups, and logically divides each of the groups into a plurality of sub-groups. During a first period, a first pulse is sequentially applied to the plurality of groups, and a second pulse is sequentially applied to the plurality of sub-groups included in at least one of the plurality of groups during a second period following the first period. The first and second periods are address periods for sensing in a second direction crossing the first direction.Type: ApplicationFiled: June 11, 2010Publication date: December 16, 2010Inventors: Tae-Yong Song, Suk-Jae Park, Woo-Joon Chung
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Publication number: 20100149144Abstract: A plasma display is disclosed. In one aspect, the display includes a scan driving board that applies a sustain pulse to a scan electrode during a sustain period and a sustain driving board that applies a sustain pulse to a sustain electrode during the sustain period. The scan driving board and the sustain driving board are connected by a harness. Ground wires are disposed at both sides of the harness and main path wires are disposed between the ground wires.Type: ApplicationFiled: December 15, 2009Publication date: June 17, 2010Applicant: Samsung SDI Co., Ltd.Inventors: Jae-Kwang LIM, Chan-Kyu Jang, Suk-Jae Park, Heung-Sik Tae, Suk-Ki Kim, Jung-Pil Park
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Patent number: 7733304Abstract: A plasma display includes a plurality of scan electrodes. A scan voltage is sequentially supplied to the plurality of scan electrodes, and a non-scan voltage that is higher than the scan voltage is supplied to scan electrodes to which the scan voltage is supplied. The non-scan voltage is generated by dividing a voltage that is higher than the non-scan voltage and the scan voltage. Thus, a voltage source for supplying the non-scan voltage can be eliminated.Type: GrantFiled: July 5, 2006Date of Patent: June 8, 2010Assignee: Samsung SDI Co., Ltd.Inventors: Seong-Joon Jeong, Jin-Ho Yang, Woo-Joon Chung, Tae-Seong Kim, Suk-Jae Park, Seung-Min Kim
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Publication number: 20100013820Abstract: A method of driving a plasma display device, having a time-divisionally driven gray scale utilizing a reset period in which wall charges of all cells of a plasma display panel (PDP) are initialized, an address period for enabling a sustain discharge by generating a weak discharge in selected cells, and a sustain period in which the sustain discharge is generated in the selected cells. Further, an erase discharge is generated in all the cells of the PDP early in the sustain period.Type: ApplicationFiled: March 25, 2009Publication date: January 21, 2010Inventors: Suk-Jae Park, Yeon-Sung Jung
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Patent number: 7542020Abstract: A power supply that is employable by a plasma display device for generating and supplying a plurality of voltages, the power supply including a first power source generating and supplying a first voltage, a transistor having a drain electrically coupled to the first power source, a first resistor having a first end coupled to the first power source and a second end electrically coupled to a gate of the transistor, a second resistor having a first end coupled to the second end of the first resistor and a second end electrically coupled to a second power source supplying a second voltage that is lower than the first voltage, and a capacitor having a first end coupled to a source of the transistor and a second end electrically coupled to the second power source. The coupling of the first end of the capacitor to the source of the transistor may form a third voltage supply node having the third voltage when the capacitor is charged.Type: GrantFiled: February 13, 2006Date of Patent: June 2, 2009Assignee: Samsung SDI Co., Ltd.Inventors: Seong-Joon Jeong, Jin-Ho Yang, Woo-Joon Chung, Tae-Seong Kim, Suk-Jae Park
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Publication number: 20090115697Abstract: In a plasma display device and a driving method thereof, a scan voltage is set to be lower than a reset minimum voltage in order to reduce an address discharge delay in an address period. In addition, in the address period, an address voltage and a scan voltage are set to be lower. In order to prevent misfiring in the address period, a voltage biasing a sustain electrode in the address period is set to be lower than a voltage biasing the sustain electrode in a falling period of a reset period.Type: ApplicationFiled: September 24, 2008Publication date: May 7, 2009Inventors: Woo-Joon Chung, Seung-Min Kim, Tae-Seong Kim, Suk-Jae Park
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Publication number: 20080129764Abstract: Driving a display may include dividing a unit frame into a plurality of sub-fields and dividing each of the sub-fields into a reset period, an addressing period, and a discharge-sustaining period. During the addressing period, a voltage difference between an addressing electric potential applied to selected address electrode-lines and a bias electric potential applied to scanning electrode-lines not scanned increases over the addressing period.Type: ApplicationFiled: November 15, 2007Publication date: June 5, 2008Inventors: Seong-Joon Jeong, Tae-Seong Kim, Suk-Jae Park, Seung-Min Kim
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Publication number: 20080062165Abstract: In a plasma display and a driving method thereof, a misfiring prevention period is provided between a reset period and an address period in response to a temperature of the plasma display being higher than predetermined temperature or a weight value of a previous subfield being higher than a predetermined weight value. In the misfiring prevention period, a first voltage higher than a voltage supplied to a sustain electrode is supplied during a first period, and a voltage at a scan electrode is gradually decreased from a second voltage to a third voltage during a second period subsequent to the first period.Type: ApplicationFiled: July 20, 2007Publication date: March 13, 2008Inventors: Suk-Jae Park, In-Ju Choi, Seung-Won Choi, Seung-Min Kim
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Publication number: 20070103403Abstract: A plasma display device includes a plurality of first electrodes and a plurality of second electrodes, the plurality of first and second electrodes adapted to generate a sustain discharge so as to display an image on a screen, a first inductor including a first end coupled to the plurality of first electrodes, a second inductor including a first end coupled to the plurality of first electrodes, the second inductor having an inductance that is less than an inductance of the first inductor, a first driving block adapted to control a voltage of the plurality of first electrodes through the first inductor, and a second driving block adapted to control the voltage of the plurality of first electrodes through the second inductor, the second driving block is located closer to a lower portion of a screen than the first driving block.Type: ApplicationFiled: November 7, 2006Publication date: May 10, 2007Inventors: Jin-Ho Yang, Woo-Joon Chung, Seong-Joon Jeong, Tae-Seong Kim, Suk-Jae Park
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Publication number: 20070085771Abstract: In a sustain period, a positive voltage is applied to an address electrode during at least one part of a period for applying a last sustain discharge pulse that is gradually increased and applied to a scan electrode. In this manner, an occurrence of misfiring between the address electrode and the sustain electrode of a discharge cell that is sustain-discharged without having been addressed in the next consecutive subfield is reduced or prevented.Type: ApplicationFiled: October 5, 2006Publication date: April 19, 2007Inventors: Suk-Jae Park, Woo-Joon Chung, Jin-Ho Yang, Seong-Joon Jeong, Tae-Seong Kim, Seung-Min Kim
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Publication number: 20070085848Abstract: A plasma display device and a power supply thereof having a fewer number of power sources in the plasma display device is disclosed. The power supply generates a voltage corresponding to a Ve power source by using a variable resistance through a voltage distribution principle without including a Ve power source. In addition, since a power supply circuit including a thermistor is used in order to correspond to a discharge firing voltage which is changed by a temperature, a sustain discharge is stably generated by adjusting a Ve voltage without including a Ve power source.Type: ApplicationFiled: October 18, 2006Publication date: April 19, 2007Inventors: Seong-Joon Jeong, Woo-Joon Chung, Jin-Ho Yang, Tae-Seong Kim, Suk-Jae Park, Seung-Min Kim
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Publication number: 20070029942Abstract: A plasma display includes a plurality of scan electrodes. A scan voltage is sequentially supplied to the plurality of scan electrodes, and a non-scan voltage that is higher than the scan voltage is supplied to scan electrodes to which the scan voltage is supplied. The non-scan voltage is generated by dividing a voltage that is higher than the non-scan voltage and the scan voltage. Thus, a voltage source for supplying the non-scan voltage can be eliminated.Type: ApplicationFiled: July 5, 2006Publication date: February 8, 2007Inventors: Seong-Joon Jeong, Jin-Ho Yang, Woo-Joon Chung, Tae-Seong Kim, Suk-Jae Park, Seung-Min Kim
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Publication number: 20060273989Abstract: A plasma display device and a driving method thereof. A sustain discharge before a reset period for initializing a cell which is sustain discharged in a previous subfield is generated as a weak discharge rather than a strong discharge. By generating a weak sustain discharge, the amount of wall charge formed in the exterior area of electrodes may be reduced. As a result, in the subsequent reset period, the wall charge can be controlled to be appropriate for addressing while preventing misfiring and low discharge.Type: ApplicationFiled: May 15, 2006Publication date: December 7, 2006Inventors: Tae-Seong Kim, Woo-Joon Chung, Jin-Ho Yang, Seong-Joon Jeong, Suk-Jae Park
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Publication number: 20060267865Abstract: A power supply that is employable by a plasma display device for generating and supplying a plurality of voltages, the power supply including a first power source generating and supplying a first voltage, a transistor having a drain electrically coupled to the first power source, a first resistor having a first end coupled to the first power source and a second end electrically coupled to a gate of the transistor, a second resistor having a first end coupled to the second end of the first resistor and a second end electrically coupled to a second power source supplying a second voltage that is lower than the first voltage, and a capacitor having a first end coupled to a source of the transistor and a second end electrically coupled to the second power source. The coupling of the first end of the capacitor to the source of the transistor may form a third voltage supply node having the third voltage when the capacitor is charged.Type: ApplicationFiled: February 13, 2006Publication date: November 30, 2006Inventors: Seong-Joon Jeong, Jin-Ho Yang, Woo-Joon Chung, Tae-Seong Kim, Suk-Jae Park