Patents by Inventor Heekwon Kim
Heekwon Kim 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: 8350473Abstract: A plasma display panel is disclosed. The plasma display panel includes a front substrate, a rear substrate positioned to be opposite to the front substrate, a barrier rib positioned between the front substrate and the rear substrate to partition a discharge cell, and a phosphor layer positioned in the discharge cell. The phosphor layer includes a phosphor material and an additive material. The phosphor layer includes a red phosphor layer emitting red light, a green phosphor layer emitting green light, and a blue phosphor layer emitting blue light. A thickness of the blue phosphor layer is larger than a thickness of the red phosphor layer.Type: GrantFiled: February 28, 2008Date of Patent: January 8, 2013Assignee: LG Electronics Inc.Inventors: Jihoon Lee, Heekwon Kim, Jeonghyun Hahm
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Patent number: 8031138Abstract: A plasma display panel and a plasma display apparatus are disclosed. The plasma display panel includes a front substrate including a scan electrode and a sustain electrode positioned parallel to each other, an upper dielectric layer positioned on the scan and sustain electrodes, a rear substrate on which an address electrode is positioned to intersect the scan and sustain electrodes, a lower dielectric layer positioned on the address electrode, a barrier rib positioned between the front substrate and the rear substrate to partition a discharge cell, and a phosphor layer positioned inside the discharge cell. The upper dielectric layer includes a glass-based material and a blue pigment. The phosphor layer includes a phosphor material and MgO material.Type: GrantFiled: October 31, 2007Date of Patent: October 4, 2011Assignee: LG Electronics Inc.Inventors: Heekwon Kim, Woochan Cho, Yoonseok Kwak, Byunghyun Kim
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Patent number: 8008861Abstract: A plasma display panel is disclosed. The plasma display panel includes a front substrate, a rear substrate facing the front substrate, a barrier rib that is positioned between the front substrate and the rear substrate and partitions a discharge cell, and a phosphor layer formed inside the discharge cell. The phosphor layer includes a first phosphor layer emitting first color light, a second phosphor layer emitting second color light, and a third phosphor layer emitting third color light. The first phosphor layer includes a first pigment. A thickness of the second phosphor layer is larger than a thickness of the first phosphor layer.Type: GrantFiled: July 1, 2008Date of Patent: August 30, 2011Assignee: LG Electronics Inc.Inventors: Heekwon Kim, Byungho Rhee, Jinyoung Kim, Gibum Lee
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Patent number: 7990066Abstract: A plasma display panel and a plasma display apparatus are disclosed. The plasma display panel includes a front substrate, a rear substrate positioned to be opposite to the front substrate, a barrier rib positioned between the front substrate and the rear substrate to partition a discharge cell, and a phosphor layer positioned inside the discharge cell. The phosphor layer includes a first phosphor layer emitting red light, a second phosphor layer emitting blue light, and a third phosphor layer emitting green light. The first phosphor layer includes a red pigment. At least one of the first phosphor layer, the second phosphor layer or the third phosphor layer includes magnesium oxide (MgO) material.Type: GrantFiled: October 31, 2007Date of Patent: August 2, 2011Assignee: LG Electronics Inc.Inventors: Heekwon Kim, Suho Bae, Jongjin Jeong, Sangsub Ha
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Patent number: 7876054Abstract: A plasma display apparatus is disclosed. The plasma display apparatus includes a plasma display panel and a driver. The plasma display apparatus includes a scan electrode, a sustain electrode, an address electrode, a lower dielectric layer on the address electrode, and a phosphor layer on the lower dielectric layer. The phosphor layer includes a phosphor material and an additive material. The driver does not supply a sustain signal to at least one of the scan electrode and the sustain electrode during a sustain period of a first subfield of a plurality of subfields of a frame. A sustain period of at least one subfield of the plurality of subfields of the frame is omitted.Type: GrantFiled: May 7, 2008Date of Patent: January 25, 2011Assignee: LG Electronics Inc.Inventors: Byunghyun Kim, Yoonseok Kwak, Heekwon Kim, Jongjin Jeong
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Publication number: 20110007039Abstract: A plasma display apparatus is disclosed. The plasma display apparatus includes a plasma display panel and a driver. The plasma display panel includes a front substrate on which a plurality of scan electrodes and a plurality of sustain electrode are positioned substantially parallel to each other, a rear substrate on which a plurality of address electrodes are positioned to intersect the scan electrodes and the sustain electrodes, and a phosphor layer that is positioned between the front substrate and the rear substrate and includes a phosphor material and MgO material. The driver supplies scan signals to the plurality of scan electrodes at different times of an address period of a subfield in an active area.Type: ApplicationFiled: April 25, 2008Publication date: January 13, 2011Inventors: Heekwon Kim, Jinyoung Kim
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Patent number: 7868549Abstract: A plasma display panel is disclosed. The plasma display panel includes a front substrate on which a scan electrode and a sustain electrode are positioned parallel to each other, a rear substrate on which an address electrode is positioned to intersect the scan and sustain electrodes, a barrier rib positioned between the front and rear substrates to partition a discharge cell, and a phosphor layer that is positioned in the discharge cell and includes a phosphor material and MgO material. At least two scan electrodes are adjacently positioned. The barrier rib includes a first barrier rib positioned parallel to the scan and sustain electrodes, and a second barrier rib intersecting the first barrier rib. A height of the first barrier rib is different from a height of the second barrier rib.Type: GrantFiled: March 11, 2008Date of Patent: January 11, 2011Assignee: LG Electronics Inc.Inventor: Heekwon Kim
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Publication number: 20100327732Abstract: A plasma display panel is disclosed. The plasma display panel includes a front substrate, a rear substrate positioned to be opposite to the front substrate, a barrier rib positioned between the front substrate and the rear substrate to partition a discharge cell, and a phosphor layer positioned in the discharge cell. The phosphor layer includes a phosphor material and an additive material. The phosphor layer includes a red phosphor layer emitting red light, a green phosphor layer emitting green light, and a blue phosphor layer emitting blue light. A thickness of the blue phosphor layer is larger than a thickness of the red phosphor layer.Type: ApplicationFiled: February 28, 2008Publication date: December 30, 2010Applicant: LG ELECTRONICS INC.Inventors: Jihoon Lee, Heekwon Kim, Jeonghyun Harm
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Patent number: 7759869Abstract: A plasma display panel is disclosed. The plasma display panel includes a front substrate, a rear substrate, a phosphor layer and a barrier rib between the front and rear substrates, and a discharge gas filled between the front and rear substrates. The phosphor layer includes a phosphor material and an additive material. The additive material includes at least one of magnesium oxide (MgO), zinc oxide (ZnO), silicon oxide (SiO2), titanium oxide (TiO2), yttrium oxide (Y2O3), aluminum oxide (Al2O3), lanthanum oxide (La2O3), europium oxide (EuO), cobalt oxide, iron oxide, or CNT (carbon nano tube). A pressure of the discharge gas lies substantially in a range between 400 torr and 500 torr.Type: GrantFiled: March 3, 2008Date of Patent: July 20, 2010Assignee: LG Electronics Inc.Inventors: Heekwon Kim, Byunghyun Kim
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Publication number: 20090140954Abstract: A method of driving a plasma display panel displaying an image in a frame including a plurality of subfields and a plasma display apparatus are disclosed. In the method, at least one of the plurality of subfields is a selective write subfield, and at least one of the other subfields is a selective erase subfield. The plasma display panel includes a front substrate including a scan electrode and a sustain electrode, a rear substrate positioned opposite the front substrate, and a phosphor layer between the front and rear substrates. The phosphor layer includes a phosphor material and an additive material. The additive material includes at least one of magnesium oxide (MgO), zinc oxide (ZnO), silicon oxide (SiO2), titanium oxide (TiO2), yttrium oxide (Y2O3), aluminum oxide (Al2O3), lanthanum oxide (La2O3), europium oxide (EuO), cobalt oxide, iron oxide, or CNT (carbon nano tube).Type: ApplicationFiled: July 31, 2008Publication date: June 4, 2009Applicant: LG ELECTRONICS INC.Inventors: Heekwon KIM, Yoonseok KWAK, Jongjin JEONG, Byunghyun KIM
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Publication number: 20090134809Abstract: A plasma display apparatus is disclosed. The plasma display apparatus includes a plasma display panel and a driver. The plasma display apparatus includes a scan electrode, a sustain electrode, an address electrode, a lower dielectric layer on the address electrode, and a phosphor layer on the lower dielectric layer. The phosphor layer includes a phosphor material and an additive material. The driver does not supply a sustain signal to at least one of the scan electrode and the sustain electrode during a sustain period of a first subfield of a plurality of subfields of a frame. A sustain period of at least one subfield of the plurality of subfields of the frame is omitted.Type: ApplicationFiled: May 7, 2008Publication date: May 28, 2009Applicant: LG ELECTRONICS INC.Inventors: Byunghyun KIM, Yoonseok KWAK, Heekwon KIM, Jongjin JEONG
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Publication number: 20090108754Abstract: A plasma display panel is disclosed. The plasma display panel includes a front substrate on which a scan electrode and a sustain electrode are positioned parallel to each other, a rear substrate on which an address electrode is positioned to intersect the scan and sustain electrodes, a barrier rib positioned between the front and rear substrates to partition a discharge cell, and a phosphor layer that is positioned in the discharge cell and includes a phosphor material and MgO material. At least two scan electrodes are adjacently positioned. The barrier rib includes a first barrier rib positioned parallel to the scan and sustain electrodes, and a second barrier rib intersecting the first barrier rib. A height of the first barrier rib is different from a height of the second barrier rib.Type: ApplicationFiled: March 11, 2008Publication date: April 30, 2009Inventor: Heekwon KIM
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Publication number: 20090102381Abstract: A plasma display panel is disclosed. The plasma display panel includes a front substrate, a rear substrate, a phosphor layer and a barrier rib between the front and rear substrates, and a discharge gas filled between the front and rear substrates. The phosphor layer includes a phosphor material and an additive material. The additive material includes at least one of magnesium oxide (MgO), zinc oxide (ZnO), silicon oxide (SiO2), titanium oxide (TiO2), yttrium oxide (Y2O3), aluminum oxide (Al2O3), lanthanum oxide (La2O3), europium oxide (EuO), cobalt oxide, iron oxide, or CNT (carbon nano tube). A pressure of the discharge gas lies substantially in a range between 400 torr and 500 torr.Type: ApplicationFiled: March 3, 2008Publication date: April 23, 2009Applicant: LG ELECTRONICS INC.Inventors: Heekwon KIM, Byunghyun KIM
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Publication number: 20090102349Abstract: A plasma display panel is disclosed. The plasma display panel includes a front substrate, a rear substrate positioned opposite the front substrate, a barrier rib positioned between the front substrate and the rear substrate to partition a discharge cell, and a phosphor layer positioned in the discharge cell. The phosphor layer includes a phosphor material and an additive material. The discharge cell includes a red discharge cell, a green discharge cell, and a blue discharge cell. A width of the blue discharge cell is larger than a width of the red discharge cell based on a lower part of the barrier rib.Type: ApplicationFiled: March 11, 2008Publication date: April 23, 2009Inventor: Heekwon Kim
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Publication number: 20090009079Abstract: A plasma display panel and a plasma display apparatus are disclosed. The plasma display panel includes a front substrate including a scan electrode and a sustain electrode positioned parallel to each other, an upper dielectric layer positioned on the scan and sustain electrodes, a rear substrate on which an address electrode is positioned to intersect the scan and sustain electrodes, a lower dielectric layer positioned on the address electrode, a barrier rib positioned between the front substrate and the rear substrate to partition a discharge cell, and a phosphor layer positioned inside the discharge cell. The upper dielectric layer includes a glass-based material and a blue pigment. The phosphor layer includes a phosphor material and MgO material.Type: ApplicationFiled: October 31, 2007Publication date: January 8, 2009Inventors: Heekwon Kim, Woochan Cho, Yoonseok Kwak, Byunghyun Kim
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Publication number: 20090009082Abstract: A plasma display panel is disclosed. The plasma display panel includes a front substrate, a rear substrate facing the front substrate, a barrier rib that is positioned between the front substrate and the rear substrate and partitions a discharge cell, and a phosphor layer formed inside the discharge cell. The phosphor layer includes a first phosphor layer emitting first color light, a second phosphor layer emitting second color light, and a third phosphor layer emitting third color light. The first phosphor layer includes a first pigment. A thickness of the second phosphor layer is larger than a thickness of the first phosphor layer.Type: ApplicationFiled: July 1, 2008Publication date: January 8, 2009Inventors: Heekwon Kim, Byungho Rhee, Jinyoung Kim, Gibum Lee
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Publication number: 20090009078Abstract: A plasma display panel and a plasma display apparatus are disclosed. The plasma display panel includes a front substrate, a rear substrate positioned to be opposite to the front substrate, a barrier rib positioned between the front substrate and the rear substrate to partition a discharge cell, and a phosphor layer positioned inside the discharge cell. The phosphor layer includes a first phosphor layer emitting red light, a second phosphor layer emitting blue light, and a third phosphor layer emitting green light. The first phosphor layer includes a red pigment. At least one of the first phosphor layer, the second phosphor layer or the third phosphor layer includes magnesium oxide (MgO) material.Type: ApplicationFiled: October 31, 2007Publication date: January 8, 2009Inventors: Heekwon Kim, Suho Bae, Jongjin Jeong, Sangsub Ha