Patents by Inventor Seok Dong Kang
Seok Dong Kang 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: 7821206Abstract: The present invention relates to plasma display panel and manufacturing method thereof to simplify the manufacturing steps and reduce cost of production. In the present invention, a black layer formed between a transparent electrode and a bus electrode is formed together with a black matrix at the same time. In this case, the black layer is formed together with the black matrix in one. Cheap nonconductive oxide is used as a black powder of a black layer. Specifically, in case the black layer and the black matrix are formed in one, the bus electrode is shifted to a non-discharge area to improve the brightness of the plasma display panel.Type: GrantFiled: May 24, 2006Date of Patent: October 26, 2010Assignee: LG Electronics Inc.Inventors: Young Dae Joo, Tae Wan Choi, Seung Tea Park, Soon Hak Kim, Seok Dong Kang, Sang Tae Kim, Hyoung Kyun Bae
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Publication number: 20100207915Abstract: The present invention relates to a plasma display apparatus. The plasma display apparatus comprising a plasma display panel having a display area for displaying images and a non-display area disposed at an outer side of the display area, comprises a first electrode, a second electrode, and a third electrode. The first electrode is formed on the display area and the non-display area of an upper substrate. The second electrode forms a pair with the first electrode and is formed in the display area. The third electrode is electrically insulated from the second electrode and formed in the non-display area.Type: ApplicationFiled: February 12, 2009Publication date: August 19, 2010Inventors: Chan Woo Kim, Seok Dong Kang
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Patent number: 7755575Abstract: Provided is a plasma display apparatus. The plasma display apparatus includes a first electrode and a second electrode formed in parallel on an upper substrate, and a third electrode formed on a lower substrate to intersect with the first electrode and the second electrode. A driving signal is applied to the first electrode, the second electrode, and the third electrode in a reset period, an address period, and a sustain period per one subfield. The reset period comprises a setdown period. A difference between a setdown lowest voltage of the driving signal applied to the first electrode and a voltage applied to the second electrode in the setdown period is 1.2 times to 1.5 times of a sustain voltage.Type: GrantFiled: January 5, 2007Date of Patent: July 13, 2010Assignee: LG Electronics Inc.Inventors: Chan Woo Kim, Seok Dong Kang
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Patent number: 7538491Abstract: A plasma display panel is provided which includes a transparent electrode pair spaced by a predetermined gap within a discharge cell. Each electrode in the pair includes a head part having a constant width and/or an expanding part having a width which enlarges as it approaches the center of the discharge cell.Type: GrantFiled: December 24, 2003Date of Patent: May 26, 2009Assignee: LG Electronics Inc.Inventors: Hun Gun Park, Jae Hong Lee, Seok Dong Kang, Tae Su Hwang
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Patent number: 7514870Abstract: A plasma display panel and a method and apparatus for driving the same are provided that are capable of preventing miss-writing and improving discharge and light-emission efficiencies. In the panel, an upper substrate and a lower substrate are opposed to each other and have a plurality of discharge cells therebetween. A first upper electrode group is formed on the upper substrate and includes at least one electrode. A second upper electrode group is formed on the upper substrate in such a manner to be adjacent to the first upper electrode group and includes at least one electrode having a different width from the first upper electrode group. A data electrode is provided on the lower substrate in such a manner to be perpendicular to the first and second upper electrode groups.Type: GrantFiled: October 16, 2006Date of Patent: April 7, 2009Assignee: LG Electronics Inc.Inventors: Eun-Cheol Lee, Jae-Sung Kim, Young-Joon Ahn, Seok Dong Kang, Young-Kyo Shin, Sung-Yong Ahn, Song-Won Chi, Jae-Hong Lee, Tae-Wan Choi, Jeong-Pil Choi, Tae-Hyung Kim, Geun-Soo Lim
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Patent number: 7482752Abstract: In a plasma display panel, a space between a pair of sustain electrodes of a non-valid screen is different from a space between a pair of sustain electrodes of a valid screen. Accordingly, when discharges occur, impurities present inside the plasma display panel can be attached on the sustain electrodes of the non-valid screen, and thus, occurrence of an erroneous discharge at the valid screen can be prevented.Type: GrantFiled: January 19, 2006Date of Patent: January 27, 2009Assignee: LG Electronics Inc.Inventors: Seok Dong Kang, Gi Bum Lee, Jae Young Oh, Hong Tak Kim
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Patent number: 7378793Abstract: The present invention relates to a plasma display panel, that is capable of preventing the discoloration of a substrate caused by migration of a metal bus electrode or metal paste's running down. The plasma display panel includes a transparent electrode; a metal bus electrode; a first light shielding layer formed between the transparent electrode and the metal bus electrode on each discharge cell; a second light shielding layer formed between the adjacent discharge cells. The first light shielding layer and the second light shielding layer are different from each other in at least one of a thickness and a pigment concentration.Type: GrantFiled: March 15, 2004Date of Patent: May 27, 2008Assignee: LG Electronics Inc.Inventor: Seok Dong Kang
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Patent number: 7352129Abstract: A plasma display panel having higher light-emitting luminance and efficiency of a discharge cell includes: plurality of first barriers successively formed on a substrate at predetermined intervals; a plurality of first sustain electrodes formed at a width more than 40% of a pixel pitch, which is an overall distance of four of the barriers, to be orthogonal to the first barriers; a plurality of second sustain electrodes spaced apart from the first sustain electrodes at a distance less than 20% of the pixel pitch and mated with the first sustain electrodes one by one; a dielectric layer formed at a thickness of 25 ?m or more to cover the first and second sustain electrodes; and a plurality of pads formed on some of the dielectric layer corresponding to the first sustain electrodes and the second sustain electrodes in each discharge cell.Type: GrantFiled: May 13, 2005Date of Patent: April 1, 2008Assignee: LG Electronics Inc.Inventors: Jae Sung Kim, Chung Huan Jeon, Eun Cheol Lee, Young Joon Ahn, Seok Dong Kang, Sung Yong Ahn
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Patent number: 7133005Abstract: A plasma display panel and a method and apparatus for driving the same that are capable of preventing miss-writing and improving discharge and light-emission efficiencies. In the panel, an upper substrate and a lower substrate are opposed to each other with having a plurality of discharge cells therebetween. A first upper electrode group includes at least one electrode having a desired width and is formed on the upper substrate. A second upper electrode group includes at least one electrode having a different width from the first upper electrode group and is formed on the upper substrate in such a manner to be adjacent to the first upper electrode group. A data electrode is provided on the lower substrate in such a manner to be perpendicular the first and second upper electrode group. In the method and apparatus, a short-path discharge occurs between two electrodes spaced at a small distance from each other, of electrodes included in the first and second upper electrode groups.Type: GrantFiled: July 3, 2001Date of Patent: November 7, 2006Assignee: LG Electronics Inc.Inventors: Eun-Cheol Lee, Jae-Sung Kim, Young-Joon Ahn, Seok Dong Kang, Young-Kyo Shin, Sung-Yong Ahn, Song-Won Chi, Jae-Hong Lee, Tae-Wan Choi, Jeong-Pil Choi, Tae-Hyung Kim, Geun-Soo Lim
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Patent number: 7106278Abstract: A plasma display panel and a driving method thereof that are capable of improving the discharge efficiency and the brightness. In the panel, sustaining electrodes are formed at the boundary portions between the discharge cells. Trigger electrodes are formed at the inner sides of the discharge cells. Lattice-shaped barrier ribs are formed in such a manner to surround the discharge cells. The method of driving the panel includes a reset period, an address period and a sustaining period. In the method, a reset pulse is applied to the sustaining electrodes during the reset period. A scanning pulse is applied to the trigger electrodes during the address period. A first sustaining pulse is applied to the trigger electrodes during the sustaining period. A second sustaining pulse is applied to the sustaining electrodes in such a manner to be alternate with the first sustaining pulse.Type: GrantFiled: February 2, 2001Date of Patent: September 12, 2006Assignee: LG Electronics Inc.Inventors: Jae Sung Kim, Eun Cheol Lee, Seok Dong Kang
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Patent number: 7075236Abstract: The present invention relates to plasma display panel and manufacturing method thereof to simplify the manufacturing steps and reduce cost of production. In the present invention, a black layer formed between a transparent electrode and a bus electrode is formed together with a black matrix at the same time. In this case, the black layer is formed together with the black matrix in one. Cheap nonconductive oxide is used as a black powder of a black layer. Specifically, in case the black layer and the black matrix are formed in one, the bus electrode is shifted to a non-discharge area to improve the brightness of the plasma display panel.Type: GrantFiled: November 23, 2005Date of Patent: July 11, 2006Assignee: LG Electronics Inc.Inventors: Young Dae Joo, Tae Wan Choi, Seung Tea Park, Soon Hak Kim, Seok Dong Kang, Sang Jae Kim, Hyoung Kyun Bae
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Patent number: 7071622Abstract: A plasma display panel having higher light-emitting luminance and efficiency of a discharge cell includes: a plurality of first barriers successively formed on a substrate at predetermined intervals; a plurality of first sustain electrodes formed at a width more than 40% of a pixel pitch, which is an overall distance of four of the barriers, to be orthogonal to the first barriers; a plurality of second sustain electrodes spaced apart from the first sustain electrodes at a distance less than 20% of the pixel pitch and mated with the first sustain electrodes one by one; a dielectric layer formed at a thickness of 25 ?m or more to cover the first and second sustain electrodes; and a plurality of pads formed on some of the dielectric layer corresponding to the first sustain electrodes and the second sustain electrodes in each discharge cell.Type: GrantFiled: November 25, 2003Date of Patent: July 4, 2006Assignee: LG Electronics Inc.Inventors: Jae Sung Kim, Chung Huan Jeon, Eun Cheol Lee, Young Joon Ahn, Seok Dong Kang, Sung Yong Ahn
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Patent number: 7040946Abstract: The present invention relates to plasma display panel and manufacturing method thereof to simplify the manufacturing steps and reduce cost of production. In the present invention, a black layer formed between a transparent electrode and a bus electrode is formed together with a black matrix at the same time. In this case, the black layer is formed together with the black matrix in one. Cheap nonconductive oxide is used as a black powder of a black layer. Specifically, in case the black layer and the black matrix are formed in one, the bus electrode is shifted to a non-discharge area to improve the brightness of the plasma display panel.Type: GrantFiled: January 6, 2004Date of Patent: May 9, 2006Assignee: LG Electronics Inc.Inventors: Young Dae Joo, Tae Wan Choi, Seung Tea Park, Soon Hak Kim, Seok Dong Kang, Sang Tae Kim, Hyoung Kyun Bae
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Patent number: 7030561Abstract: The present invention relates to plasma display panel and manufacturing method thereof to simplify the manufacturing steps and reduce cost of production. In the present invention, a black layer formed between a transparent electrode and a bus electrode is formed together with a black matrix at the same time. In this case, the black layer is formed together with the black matrix in one. Cheap nonconductive oxide is used as a black powder of a black layer. Specifically, in case the black layer and the black matrix are formed in one, the bus electrode is shifted to a non-discharge area to improve the brightness of the plasma display panel.Type: GrantFiled: June 17, 2005Date of Patent: April 18, 2006Assignee: LG Electronics Inc.Inventors: Young Dae Joo, Tae Wan Choi, Seung Tea Park, Soon Hak Kim, Seok Dong Kang, Sang Tae Kim, Hyoung Kyun Bae
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Patent number: 6838828Abstract: The present invention relates to plasma display panel and manufacturing method thereof to simplify the manufacturing steps and reduce cost of production. In the present invention, a black layer formed between a transparent electrode and a bus electrode is formed together with a black matrix at the same time. In this case, the black layer is formed together with the black matrix in one. Cheap nonconductive oxide is used as a black powder of a black layer. Specifically, in case the black layer and the black matrix are formed in one, the bus electrode is shifted to a non-discharge area to improve the brightness of the plasma display panel.Type: GrantFiled: November 4, 2002Date of Patent: January 4, 2005Assignee: LG Electronics Inc.Inventors: Young Dae Joo, Tae Wan Choi, Seung Tea Park, Soon Hak Kim, Seok Dong Kang, Sang Tae Kim, Hyoung Kyun Bae
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Publication number: 20040239249Abstract: The present invention relates to a plasma display panel, that is capable of preventing the discoloration of a substrate caused by migration of a metal bus electrode or metal paste's running down.Type: ApplicationFiled: March 15, 2004Publication date: December 2, 2004Inventor: Seok Dong Kang
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Patent number: 6819307Abstract: A plasma display panel and a driving method thereof that are capable of improving the brightness and the discharge efficiency. In the plasma display panel, an auxiliary electrode pair causes an auxiliary discharge. An area of the auxiliary electrode at the periphery of a discharge cell is wider than that at the center of the discharge cell. A sustaining electrode pair is arranged at each side of the auxiliary electrode pair to cause a sustaining discharge by utilizing the auxiliary discharge. In the driving method, wall charges concentrate on the center portion of the discharge cell during an auxiliary discharge generated between the auxiliary electrode pair. Then, a sustaining discharge is generated between the sustaining electrode pair by utilizing the wall charges produced by the auxiliary discharge.Type: GrantFiled: February 5, 2001Date of Patent: November 16, 2004Assignee: LG Electronics Inc.Inventors: Seok Dong Kang, Young Joon Ahn
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Publication number: 20040142623Abstract: The present invention relates to plasma display panel and manufacturing method thereof to simplify the manufacturing steps and reduce cost of production. In the present invention, a black layer formed between a transparent electrode and a bus electrode is formed together with a black matrix at the same time. In this case, the black layer is formed together with the black matrix in one. Cheap nonconductive oxide is used as a black powder of a black layer. Specifically, in case the black layer and the black matrix are formed in one, the bus electrode is shifted to a non-discharge area to improve the brightness of the plasma display panel.Type: ApplicationFiled: January 6, 2004Publication date: July 22, 2004Inventors: Young Dae Joo, Tae Wan Choi, Seung Tea Park, Soon Hak Kim, Seok Dong Kang, Sang Tae Kim, Hyoung Kyun Bae
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Publication number: 20040135507Abstract: A plasma display panel includes a transparent electrode pair spaced by a predetermined gap within a discharge cell. Each electrode in the pair includes an expanding part having a width which enlarges as it approaches the center of the discharge cell, and a head part which is connected to the expanding part and has a constant width and reduces power consumption.Type: ApplicationFiled: December 24, 2003Publication date: July 15, 2004Applicant: LG Electronics Inc.Inventors: Hun Gun Park, Jae Hong Lee, Seok Dong Kang, Tae Su Hwang
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Publication number: 20040113554Abstract: A plasma display panel having higher light-emitting luminance and efficiency of a discharge cell includes: a plurality of first barriers successively formed on a substrate at predetermined intervals; a plurality of first sustain electrodes formed at a width more than 40% of a pixel pitch, which is an overall distance of four of the barriers, to be orthogonal to the first barriers; a plurality of second sustain electrodes spaced apart from the first sustain electrodes at a distance less than 20% of the pixel pitch and mated with the first sustain electrodes one by one; a dielectric layer formed at a thickness of 25 &mgr;m or more to cover the first and second sustain electrodes; and a plurality of pads formed on some of the dielectric layer corresponding to the first sustain electrodes and the second sustain electrodes in each discharge cell.Type: ApplicationFiled: November 25, 2003Publication date: June 17, 2004Inventors: Jae Sung Kim, Chung Huan Jeon, Eun Cheol Lee, Young Joon Ahn, Seok Dong Kang, Sung Yong Ahn