Patents by Inventor Jongwoon Bae

Jongwoon Bae 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).

  • Patent number: 8605012
    Abstract: A method of driving a plasma display apparatus including a scan electrode and a sustain electrode, that are positioned parallel to each other, are disclosed. The method includes supplying a scan signal to the scan electrode during an address period of a first subfield among a plurality of subfields of a frame, supplying a reset signal to the scan electrode during a reset period of a second subfield immediately following the first subfield, supplying a first signal between the scan signal and the reset signal to the scan electrode, and supplying a second signal overlapping the first signal to the sustain electrode. A pulse width of the second signal is smaller than a pulse width of the first signal.
    Type: Grant
    Filed: October 2, 2008
    Date of Patent: December 10, 2013
    Assignee: LG Electronics Inc.
    Inventors: Kirack Park, Gyungrae Kim, Jongwoon Bae, Seonghwan Ryu
  • Patent number: 8253656
    Abstract: A plasma display apparatus and a method of driving the same are disclosed. The plasma display apparatus includes a plasma display panel including scan electrodes and sustain electrodes, a sensor unit for detecting a temperature or a peripheral temperature of the panel, and a scan driver for supplying reset signals to the scan electrodes in a reset period of at least one subfield among a plurality of subfields at a predetermined reference temperature so that a first period in which a lowest voltage of the reset signal is supplied is different from a supply period of a lowest voltage when the temperature or the peripheral temperature of the PDP deviates the predetermined reference temperature.
    Type: Grant
    Filed: February 12, 2008
    Date of Patent: August 28, 2012
    Assignee: LG Electronics Inc.
    Inventors: Kirack Park, Jongwoon Bae, Seonghwan Ryu
  • Patent number: 8026868
    Abstract: A plasma display apparatus and a method of driving the same are disclosed. The plasma display apparatus includes a plurality of scan electrodes, a plurality of data electrodes, a scan driver and a data driver. The scan driver scans the plurality of scan electrodes during an address period in one scanning type of a plurality of scanning types having different scanning orders. Further, the scan driver supplies a scan signal, of which the duration of a voltage rising period is different from the duration of a voltage falling period, to the scan electrodes when scanning the scan electrodes. The data driver supplies a data signal to the data electrodes depending on the scanning type selected from the plurality of scanning types.
    Type: Grant
    Filed: August 30, 2006
    Date of Patent: September 27, 2011
    Assignee: LG Electronics Inc.
    Inventors: Jongwoon Bae, Kirack Park, Seonghwan Ryu, Yoonjoo Cho, Dooyong Hwang
  • Publication number: 20100321347
    Abstract: A plasma display panel according to the present invention includes a front panel including a first electrode, a second electrode, and an upper dielectric layer covering the first and second electrodes, and a rear panel including a lower dielectric layer covering a third electrode. An interval between the first electrode and the second electrode ranges from 0.4 to 0.95 times an interval between the upper dielectric layer and the lower dielectric layer.
    Type: Application
    Filed: December 6, 2007
    Publication date: December 23, 2010
    Applicant: LG ELECTRONICS INC
    Inventors: Kirack Park, Jongwoon Bae
  • Patent number: 7719189
    Abstract: A plasma display panel is provided. The plasma display panel includes a substrate and a phosphor layer. The phosphor layer has a red phosphor layer, a green phosphor layer and a blue phosphor layer. At least one of a start point of the red phosphor layer, a start point of the green phosphor layer and a start point of the blue phosphor layer is different from a start point of the remaining phosphor layer.
    Type: Grant
    Filed: January 31, 2007
    Date of Patent: May 18, 2010
    Assignee: LG Electronics Inc.
    Inventor: Jongwoon Bae
  • Patent number: 7719188
    Abstract: A plasma display apparatus is disclosed. The plasma display apparatus includes a plasma display panel, on which an image is displayed, and a filter positioned in front of the plasma display panel. A discharge gas filled in the plasma display panel contains xenon (Xe) equal to or more than 10% based on total weight of the discharge gas. The filter includes a base portion, and a pattern portion formed on the base portion, having a color darker than a color of the base portion.
    Type: Grant
    Filed: January 5, 2007
    Date of Patent: May 18, 2010
    Assignee: LG Electronics Inc.
    Inventors: Seonghwan Ryu, Kirack Park, Jongwoon Bae
  • Patent number: 7710035
    Abstract: A plasma display apparatus is disclosed. The plasma display apparatus includes a plasma display panel and a filter positioned in front of the plasma display panel. The filter includes a near infrared ray shielding layer that absorbs or reflects near infrared rays. The plasma display panel includes a front substrate, a rear substrate, and a barrier rib, formed between the front and rear substrates, partitioning a discharge cell. An exhaust unit is omitted in the rear substrate. The discharge cell is filled with a discharge gas containing xenon (Xe) equal to or more than 10% based on total weight of the discharge gas.
    Type: Grant
    Filed: December 27, 2006
    Date of Patent: May 4, 2010
    Assignee: LG Electronics Inc.
    Inventors: Seonghwan Ryu, Gyungrae Kim, Kirack Park, Jongwoon Bae
  • Patent number: 7576713
    Abstract: A plasma display apparatus is provided. The plasma display apparatus includes a data drive IC for supplying a data signal corresponding to an image signal to the address electrode through an output terminal formed at one side and the other side of the data driver IC, which oppose to each other, during the supply of the scan signal to an electrode of the plasma display panel.
    Type: Grant
    Filed: April 25, 2006
    Date of Patent: August 18, 2009
    Assignee: LG Electronics Inc.
    Inventors: Jung Gwan Han, Kirack Park, Jongwoon Bae, Seonghwan Ryu
  • Publication number: 20090091517
    Abstract: A method of driving a plasma display apparatus including a scan electrode and a sustain electrode, that are positioned parallel to each other, are disclosed. The method includes supplying a scan signal to the scan electrode during an address period of a first subfield among a plurality of subfields of a frame, supplying a reset signal to the scan electrode during a reset period of a second subfield immediately following the first subfield, supplying a first signal between the scan signal and the reset signal to the scan electrode, and supplying a second signal overlapping the first signal to the sustain electrode. A pulse width of the second signal is smaller than a pulse width of the first signal.
    Type: Application
    Filed: October 2, 2008
    Publication date: April 9, 2009
    Inventors: Kirack PARK, Gyungrae Kim, Jongwoon Bae, Seonghwan Ryu
  • Publication number: 20090085835
    Abstract: A plasma display apparatus and a method of driving the same are disclosed. The plasma display apparatus includes a plasma display panel including scan electrodes and sustain electrodes, a sensor unit for detecting a temperature or a peripheral temperature of the panel, and a scan driver for supplying reset signals to the scan electrodes in a reset period of at least one subfield among a plurality of subfields at a predetermined reference temperature so that a first period in which a lowest voltage of the reset signal is supplied is different from a supply period of a lowest voltage when the temperature or the peripheral temperature of the PDP deviates the predetermined reference temperature.
    Type: Application
    Filed: February 12, 2008
    Publication date: April 2, 2009
    Inventors: Kirack Park, Jongwoon Bae, Seonghwan Ryu
  • Publication number: 20090073091
    Abstract: A plasma display apparatus and a method of driving the same are disclosed. The plasma display apparatus includes a plasma display panel including scan and sustain electrodes, a scan driver, and a sustain driver. The scan driver supplies a first reset signal, of which a lowest voltage is a first voltage, to the scan electrode during reset periods of a plurality of subfields and supplies a scan signal, of which a lowest voltage is a third voltage lower than the first voltage, to the scan electrode during address periods. The sustain driver supplies a first sustain bias voltage to the sustain electrode during the reset periods and supplies a second sustain bias voltage higher than the first sustain bias voltage to the sustain electrode during the address periods.
    Type: Application
    Filed: May 7, 2008
    Publication date: March 19, 2009
    Applicant: LG ELECTRONICS INC.
    Inventors: Kirack PARK, Jongwoon BAE, Seonghwan RYU
  • Publication number: 20090066611
    Abstract: A plasma display apparatus and a method of driving the same are disclosed. The plasma display apparatus includes a plasma display panel including scan electrodes and sustain electrodes, and a scan driver that supplies reset signals to the scan electrodes in reset periods of a plurality of subfields so that a period in which a lowest voltage of the reset signal is supplied varies with a reset period of at least one subfield.
    Type: Application
    Filed: February 12, 2008
    Publication date: March 12, 2009
    Inventors: Kirack PARK, Jongwoon BAE, Seonghwan RYU
  • Publication number: 20080088235
    Abstract: A plasma display panel is provided. The plasma display panel includes a front substrate, a rear substrate and a barrier rib, the barrier rib includes a first portion of the barrier rib where the height of the barrier rib gradually changes and a second portion of the barrier rib where the height of the barrier rib remains substantially constant.
    Type: Application
    Filed: January 17, 2007
    Publication date: April 17, 2008
    Applicant: LG ELECTRONICS INC.
    Inventors: Jongwoon Bae, Kirack Park
  • Publication number: 20080088222
    Abstract: A plasma display panel is provided. The plasma display panel includes a substrate and a phosphor layer. The phosphor layer has a red phosphor layer, a green phosphor layer and a blue phosphor layer. At least one of a start point of the red phosphor layer, a start point of the green phosphor layer and a start point of the blue phosphor layer is different from a start point of the remaining phosphor layer.
    Type: Application
    Filed: January 31, 2007
    Publication date: April 17, 2008
    Applicant: LG ELECTRONICS INC.
    Inventor: Jongwoon BAE
  • Publication number: 20080074353
    Abstract: A plasma display apparatus and a television set including the same are disclosed. The plasma display apparatus includes a plasma display panel, a filter and a driver. The filter is positioned in front of the plasma display panel, and includes a mesh type electromagnetic interference (EMI) shielding layer. A near infrared ray shielding layer is omitted from the filter. The driver drives the plasma display panel using a control signal having a wavelength of 1 cm to 1 m received from the outside.
    Type: Application
    Filed: September 20, 2007
    Publication date: March 27, 2008
    Inventor: Jongwoon BAE
  • Publication number: 20080036378
    Abstract: A plasma display apparatus is disclosed. The plasma display apparatus includes a plasma display panel and a filter positioned in front of the plasma display panel. The filter includes a near infrared ray shielding layer that absorbs or reflects near infrared rays. The plasma display panel includes a front substrate, a rear substrate, and a barrier rib, formed between the front and rear substrates, partitioning a discharge cell. An exhaust unit is omitted in the rear substrate. The discharge cell is filled with a discharge gas containing xenon (Xe) equal to or more than 10% based on total weight of the discharge gas.
    Type: Application
    Filed: December 27, 2006
    Publication date: February 14, 2008
    Inventors: Seonghwan Ryu, Gyungrae Kim, Kirack Park, Jongwoon Bae
  • Publication number: 20080036702
    Abstract: Disclosed are a plasma display apparatus. The plasma display apparatus, comprising: a plasma display panel comprising a plurality of electrodes; and a driver supplying a driving signal to a predetermined electrode of the plurality of electrodes, wherein the plasma display panel comprises a front substrate on which first and second electrodes are formed in parallel to each other, a rear substrate aligned in opposite to the front substrate and forming a third electrode where the first and second electrodes intersect, and a barrier rib partitioning the discharge cell between the front and rear substrates, and wherein a exhaust unit is omitted from the rear substrate, and the driver supplies a first reset signal to the first electrode in a reset period for initializing a first subfield and supplies a second reset signal to the first electrode in the reset period of a second subfield, a magnitude of a voltage of the second reset signal is different from that of first subfield.
    Type: Application
    Filed: December 4, 2006
    Publication date: February 14, 2008
    Inventors: Kirack Park, Jongwoon Bae, Seonghwan Ryu
  • Publication number: 20080030136
    Abstract: A plasma display panel is disclosed. The plasma display panel includes a front substrate, a rear substrate, and a barrier rib. On the front substrate, a first electrode and a second electrode are formed in parallel to each other. On the rear substrate, a third electrode is formed to intersect the first electrode and the second electrode. The barrier rib is formed between the front and the rear substrate and partitions a discharge cell. At least one of the first electrode or the second electrode is formed in the form of a single layer. An exhaust unit is omitted in the rear substrate.
    Type: Application
    Filed: December 4, 2006
    Publication date: February 7, 2008
    Inventors: Jongwoon Bae, Gyungrae Kim, Seonghwan Ryu, Kirack Park
  • Publication number: 20080030134
    Abstract: A plasma display apparatus is disclosed. The plasma display apparatus includes a plasma display panel, on which an image is displayed, and a filter positioned in front of the plasma display panel. A discharge gas filled in the plasma display panel contains xenon (Xe) equal to or more than 10% based on total weight of the discharge gas. The filter includes a base portion, and a pattern portion formed on the base portion, having a color darker than a color of the base portion.
    Type: Application
    Filed: January 5, 2007
    Publication date: February 7, 2008
    Inventors: Seonghwan Ryu, Kirack Park, Jongwoon Bae
  • Publication number: 20070285011
    Abstract: A plasma display panel is disclosed. The plasma display panel includes a first electrode, a second electrode, a third electrode, a first barrier rib, and a second barrier rib. The third electrode is formed on a rear substrate to intersect with the first and second electrodes. The first and second barrier ribs which intersect each other form a discharge cell between a front substrate and the rear substrate. The second barrier rib is formed in parallel to the first and second electrodes. One side of each of each of the first electrode and the second electrode is formed to be in alignment with a reference line located at a top portion of the second barrier rib, or is formed to be located at a predetermined distance from the reference line.
    Type: Application
    Filed: September 29, 2006
    Publication date: December 13, 2007
    Inventor: Jongwoon BAE