Patents by Inventor Geun Soo Lim
Geun Soo Lim 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: 7920106Abstract: Disclosed is a method of driving a plasma display panel and apparatus thereof enabling to minimize power consumption for driving the plasma display panel 1. The present invention includes the steps of generating a reset discharge by supplying ramp waves so as to equalize cells in the plasma display panel in a reset period, supplying selected specific ones of the cells with a scan voltage pulse swinging between a lowest voltage levels of the reset discharge and a data pulse of a voltage level lowered as much as a negative voltage level of the scan voltage pulse, generating an address discharge by the scan voltage pulse and data pulse applied to the selected cells in an address period, and maintaining the address discharge for a sustain period.Type: GrantFiled: October 9, 2007Date of Patent: April 5, 2011Assignee: LG Electronics Inc.Inventor: Geun Soo Lim
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Patent number: 7920105Abstract: Disclosed is a method of driving a plasma display panel and apparatus thereof enabling to minimize power consumption for driving the plasma display panel 1. The present invention includes the steps of generating a reset discharge by supplying ramp waves so as to equalize cells in the plasma display panel in a reset period, supplying selected specific ones of the cells with a scan voltage pulse swinging between a lowest voltage levels of the reset discharge and a data pulse of a voltage level lowered as much as a negative voltage level of the scan voltage pulse, generating an address discharge by the scan voltage pulse and data pulse applied to the selected cells in an address period, and maintaining the address discharge for a sustain period.Type: GrantFiled: October 9, 2007Date of Patent: April 5, 2011Assignee: LG Electronics Inc.Inventor: Geun Soo Lim
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Patent number: 7911415Abstract: Disclosed is a method of driving a plasma display panel and apparatus thereof enabling to minimize power consumption for driving the plasma display panel. 1. The present invention includes the steps of generating a reset discharge by supplying ramp waves so as to equalize cells in the plasma display panel in a reset period, supplying selected specific ones of the cells with a scan voltage pulse swinging between a lowest voltage levels of the reset discharge and a data pulse of a voltage level lowered as much as a negative voltage level of the scan voltage pulse, generating an address discharge by the scan voltage pulse and data pulse applied to the selected cells in an address period, and maintaining the address discharge for a sustain period.Type: GrantFiled: October 25, 2007Date of Patent: March 22, 2011Assignee: LG Electronics Inc.Inventor: Geun Soo Lim
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Patent number: 7852291Abstract: Disclosed is a method of driving a plasma display panel and apparatus thereof enabling to minimize power consumption for driving the plasma display panel. 1. The present invention includes the steps of generating a reset discharge by supplying ramp waves so as to equalize cells in the plasma display panel in a reset period, supplying selected specific ones of the cells with a scan voltage pulse swinging between a lowest voltage levels of the reset discharge and a data pulse of a voltage level lowered as much as a negative voltage level of the scan voltage pulse, generating an address discharge by the scan voltage pulse and data pulse applied to the selected cells in an address period, and maintaining the address discharge for a sustain period.Type: GrantFiled: October 25, 2007Date of Patent: December 14, 2010Assignee: LG Electronics Inc.Inventor: Geun Soo Lim
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Patent number: 7839360Abstract: Disclosed is a method of driving a plasma display panel and apparatus thereof enabling to minimize power consumption for driving the plasma display panel. 1. The present invention includes the steps of generating a reset discharge by supplying ramp waves so as to equalize cells in the plasma display panel in a reset period, supplying selected specific ones of the cells with a scan voltage pulse swinging between a lowest voltage levels of the reset discharge and a data pulse of a voltage level lowered as much as a negative voltage level of the scan voltage pulse, generating an address discharge by the scan voltage pulse and data pulse applied to the selected cells in an address period, and maintaining the address discharge for a sustain period.Type: GrantFiled: January 16, 2007Date of Patent: November 23, 2010Assignee: LG Electronics Inc.Inventor: Geun Soo Lim
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Patent number: 7817112Abstract: Disclosed is a method of driving a plasma display panel and apparatus thereof enabling to minimize power consumption for driving the plasma display panel. 1. The present invention includes the steps of generating a reset discharge by supplying ramp waves so as to equalize cells in the plasma display panel in a reset period, supplying selected specific ones of the cells with a scan voltage pulse swinging between a lowest voltage levels of the reset discharge and a data pulse of a voltage level lowered as much as a negative voltage level of the scan voltage pulse, generating an address discharge by the scan voltage pulse and data pulse applied to the selected cells in an address period, and maintaining the address discharge for a sustain period.Type: GrantFiled: September 28, 2004Date of Patent: October 19, 2010Assignee: LG Electronics Inc.Inventor: Geun Soo Lim
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Patent number: 7751203Abstract: An image display apparatus is provided. At least one heat radiating frame is stacked in a heat radiating frame coupled between a circuit board and a panel, a heat radiating frame to which the circuit board is fixed can secure a space by a height of a protruded part as the protruded part is formed by drawing the frame itself, and thus fastening means for fixing the circuit board without a PEM nut can be fastened, and as a sound absorbing material is filled within a protruded part formed in a heat radiating frame opposite to the panel, vibration noise generating when driving the panel can be reduced.Type: GrantFiled: January 3, 2007Date of Patent: July 6, 2010Assignee: LG Electronics Inc.Inventors: Hyoung Gun Moon, Deok Soo Kim, Jun Hee Kong, Tae Hwa Hwang, Jong Yoon Keum, Geun Soo Lim, Yong Song
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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: 7495637Abstract: The present invention relates to a driving method and apparatus of a plasma display panel. The driving method including the steps of: checking whether or not a first input grayscale data can be expressed through a certain pixel on the panel; in case the first grayscale data cannot be expressed, outputting a second grayscale data adjacent to the first grayscale data; and respectively multiplying erroneous data corresponding to a difference between the first grayscale data and the second grayscale data with preset coefficient values to diffuse the multiplied result to a plurality of pixels adjacent to the pixel, wherein before the erroneous data are respectively multiplied with the preset coefficient values, a random value is multiplied to at least one coefficient value among the plurality of coefficient values.Type: GrantFiled: March 3, 2004Date of Patent: February 24, 2009Assignee: LG Electronics Inc.Inventors: Dae Hyun Kim, Geun Soo Lim
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Patent number: 7474279Abstract: The present invention relates to a plasma display panel, and more particularly, to a method and apparatus for driving a plasma display panel. According to a first embodiment of the present invention, there is provided a method for driving a PDP including the steps of dividing two frame data items into three frame data items; and providing the divided frame data items to the PDP. According to a first embodiment of the present invention, there is provided a method for driving a PDP including the steps of dividing two frame data items into three frame data items; and providing the divided frame data items to the PDP. The method and apparatus for driving a PDP according to the present invention can reduce large area flicker and dynamic false contour noise in a high-resolution PDP.Type: GrantFiled: September 29, 2004Date of Patent: January 6, 2009Assignee: LG Electronics Inc.Inventors: Byung Soo Song, Chang Ho Hyeon, Hwan Yu Kim, Geun Soo Lim
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Patent number: 7460139Abstract: The present invention relates to a plasma display panel, and more particularly, to a method and apparatus for driving a plasma display panel. According to a first embodiment of the present invention, there is provided a method for driving a PDP including the steps of dividing two frame data items into three frame data items; and providing the divided frame data items to the PDP. According to a first embodiment of the present invention, there is provided a method for driving a PDP including the steps of dividing two frame data items into three frame data items; and providing the divided frame data items to the PDP. The method and apparatus for driving a PDP according to the present invention can reduce large area flicker and dynamic false contour noise in a high-resolution PDP.Type: GrantFiled: September 18, 2007Date of Patent: December 2, 2008Assignee: LG Electronics Inc.Inventors: Byung Soo Song, Chang Ho Hyeon, Hwan Yu Kim, Geun Soo Lim
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Patent number: 7456809Abstract: The present invention relates to a plasma display panel, and more particularly, to an apparatus and a method of driving a plasma display panel. According to an embodiment of the present invention, an apparatus of driving an AC surface discharge type plasma display panel, which includes X-, Y-, and Z-electrodes for discharge initiation and discharge sustain, includes a central arithmetic logical unit, a reset drive unit, a data drive unit, a scan drive unit, and a sustain drive unit and wherein the sustain drive unit includes a unified sustain drive unit. Accordingly, an apparatus for driving a plasma display panel and method thereof according to the present invention includes the unified sustain drive unit, thereby enabling to raise the drive efficiency, to simplify the circuit configuration, and to reduce the circuit volume.Type: GrantFiled: October 27, 2004Date of Patent: November 25, 2008Assignee: LG Electronics Inc.Inventors: Geun Soo Lim, Jeong Pil Choi
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Publication number: 20080088539Abstract: Disclosed is a method of driving a plasma display panel and apparatus thereof enabling to minimize power consumption for driving the plasma display panel. 1. The present invention includes the steps of generating a reset discharge by supplying ramp waves so as to equalize cells in the plasma display panel in a reset period, supplying selected specific ones of the cells with a scan voltage pulse swinging between a lowest voltage levels of the reset discharge and a data pulse of a voltage level lowered as much as a negative voltage level of the scan voltage pulse, generating an address discharge by the scan voltage pulse and data pulse applied to the selected cells in an address period, and maintaining the address discharge for a sustain period.Type: ApplicationFiled: October 25, 2007Publication date: April 17, 2008Inventor: Geun Soo LIM
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Publication number: 20080088538Abstract: Disclosed is a method of driving a plasma display panel and apparatus thereof enabling to minimize power consumption for driving the plasma display panel. 1. The present invention includes the steps of generating a reset discharge by supplying ramp waves so as to equalize cells in the plasma display panel in a reset period, supplying selected specific ones of the cells with a scan voltage pulse swinging between a lowest voltage levels of the reset discharge and a data pulse of a voltage level lowered as much as a negative voltage level of the scan voltage pulse, generating an address discharge by the scan voltage pulse and data pulse applied to the selected cells in an address period, and maintaining the address discharge for a sustain period.Type: ApplicationFiled: October 25, 2007Publication date: April 17, 2008Inventor: Geun Soo LIM
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Publication number: 20080030432Abstract: Disclosed is a method of driving a plasma display panel and apparatus thereof enabling to minimize power consumption for driving the plasma display panel 1. The present invention includes the steps of generating a reset discharge by supplying ramp waves so as to equalize cells in the plasma display panel in a reset period, supplying selected specific ones of the cells with a scan voltage pulse swinging between a lowest voltage levels of the reset discharge and a data pulse of a voltage level lowered as much as a negative voltage level of the scan voltage pulse, generating an address discharge by the scan voltage pulse and data pulse applied to the selected cells in an address period, and maintaining the address discharge for a sustain period.Type: ApplicationFiled: October 9, 2007Publication date: February 7, 2008Inventor: Geun Soo LIM
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Publication number: 20080030431Abstract: Disclosed is a method of driving a plasma display panel and apparatus thereof enabling to minimize power consumption for driving the plasma display panel 1. The present invention includes the steps of generating a reset discharge by supplying ramp waves so as to equalize cells in the plasma display panel in a reset period, supplying selected specific ones of the cells with a scan voltage pulse swinging between a lowest voltage levels of the reset discharge and a data pulse of a voltage level lowered as much as a negative voltage level of the scan voltage pulse, generating an address discharge by the scan voltage pulse and data pulse applied to the selected cells in an address period, and maintaining the address discharge for a sustain period.Type: ApplicationFiled: October 9, 2007Publication date: February 7, 2008Inventor: Geun Soo LIM
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Patent number: 7321345Abstract: The present invention relates to the plasma display panel module that integrates a sustainer board and reduces electromagnetic interference. The plasma display panel module includes a plasma display panel that includes scan electrode lines, sustain electrode lines, and a data electrode lines, an integration driving board that drives scan electrode lines and sustain electrode lines, a first electric current path that is connected between the integration driving board and the scan electrode lines, a second electric current path that is connected between the integration driving board and the sustain electrode lines, and a metal plate to release heat by a plasma display panel, which a penetration hole that the second electric current path penetrates is formed.Type: GrantFiled: May 21, 2004Date of Patent: January 22, 2008Assignee: LG Electronics Inc.Inventors: Jeong Pil Choi, Geun Soo Lim
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Publication number: 20080007487Abstract: The present invention relates to a plasma display panel, and more particularly, to a method and apparatus for driving a plasma display panel. According to a first embodiment of the present invention, there is provided a method for driving a PDP including the steps of dividing two frame data items into three frame data items; and providing the divided frame data items to the PDP. According to a first embodiment of the present invention, there is provided a method for driving a PDP including the steps of dividing two frame data items into three frame data items; and providing the divided frame data items to the PDP. The method and apparatus for driving a PDP according to the present invention can reduce large area flicker and dynamic false contour noise in a high-resolution PDP.Type: ApplicationFiled: September 18, 2007Publication date: January 10, 2008Inventors: Byung Soo SONG, Chang Ho HYEON, Hwan Yu KIM, Geun Soo LIM
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Publication number: 20070195219Abstract: An image display apparatus is provided. At least one heat radiating frame is stacked in a heat radiating frame coupled between a circuit board and a panel, a heat radiating frame to which the circuit board is fixed can secure a space by a height of a protruded part as the protruded part is formed by drawing the frame itself, and thus fastening means for fixing the circuit board without a PEM nut can be fastened, and as a sound absorbing material is filled within a protruded part formed in a heat radiating frame opposite to the panel, vibration noise generating when driving the panel can be reduced.Type: ApplicationFiled: January 3, 2007Publication date: August 23, 2007Applicant: LG Electronics Inc.Inventors: Hyoung Gun Moon, Deok Soo Kim, Jun Hee Kong, Tae Hwa Hwang, Jong Yoon Keum, Geun Soo Lim, Yong Song
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Publication number: 20070108903Abstract: 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 to 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: ApplicationFiled: October 16, 2006Publication date: May 17, 2007Inventors: Eun-Cheol Lee, Jae-Sung Kim, Young-Joon Ahn, Seok 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