Patents by Inventor Won-Ju Yi
Won-Ju Yi 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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Publication number: 20060214598Abstract: A plasma display panel having a new structure is provided. The plasma display panel includes a rear substrate, a front substrate spaced apart from the rear substrate, barrier ribs disposed between the front substrate and the rear substrate and defining a plurality of discharge cells, first discharge electrodes extending in a first direction and including a plurality of first loops surrounding the discharge cell, second discharge electrodes extending in a second direction, and including a plurality of second loops surrounding the discharge cell, and crossing the first discharge electrodes, and phosphor layers disposed in the discharge cells. The first discharge electrodes may operate as an address electrode, and the second discharge electrodes may operate as a scan electrode. The first loop and the second loop may have elliptical and circular shapes, respectively.Type: ApplicationFiled: March 17, 2006Publication date: September 28, 2006Inventors: Kyoung-Doo Kang, Won-Ju Yi
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Publication number: 20060208639Abstract: A PDP with an increased aspect ratio and transmittance and that is capable of having barrier ribs securely engaged to substrates is provided. The PDP includes front and rear substrates arranged to face each other. Barrier ribs partition a plurality of discharge cells between the front substrate and the rear substrate. Engagement protrusions are formed on facing surfaces of the barrier ribs along edges of the front and rear substrates. The facing surfaces face the edges of the front and rear substrates. Engagement grooves are formed on facing surfaces of the front and rear substrates which face the barrier ribs. First and second electrodes are formed to extend in a first direction. Address electrodes are formed to extend in a second direction crossing the first and second electrodes. Phosphor layers are formed in each of the discharge cells. The engagement grooves are formed to correspond to the engagement protrusions.Type: ApplicationFiled: February 27, 2006Publication date: September 21, 2006Inventors: Hun-Suk Yoo, Won-Ju Yi
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Publication number: 20060186778Abstract: A plasma display panel capable of being fast driven with low voltage by reducing a distance between an address electrode and a Y electrode. The plasma display panel includes a pair of substrates, barrier ribs, discharge electrodes, and an address electrode. The substrates are arranged at a predetermined interval to face each other and form a plurality of discharge spaces between facing surfaces of the substrates. The barrier ribs are arranged between the substrates to partition a space between the substrates into a plurality of discharge cells each having a horizontal cross-section of a circle or an oval. The discharge electrodes are arranged at predetermined intervals between the substrates. The address electrode is arranged a predetermined distance apart from the discharge electrodes in a substrate direction.Type: ApplicationFiled: April 13, 2006Publication date: August 24, 2006Inventors: Hun-Suk Yoo, Won-Ju Yi, Kyoung-Doo Kang
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Publication number: 20060181209Abstract: A plasma display panel includes first and second substrates that face each other, a barrier rib structure that is disposed between the first and second substrates to divide a plurality of discharge cells, first and second electrodes that are formed to surround the discharge cells and that extend in a first direction. The first and second electrodes are buried in the barrier rib structure. Address electrodes are formed in a second direction crossing the first direction to correspond to the respective discharge cells, and phosphor layers are formed in the respective discharge cells, such that the discharge cells are divided into red, green, blue, and white discharge cells.Type: ApplicationFiled: January 4, 2006Publication date: August 17, 2006Inventors: Jae-Ik Kwon, Won-Ju Yi, Kyoung-Doo Kang
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Publication number: 20060170353Abstract: A plasma display panel (PDP) including a plurality of cavities within a barrier structure is disclosed. In one embodiment, the PDP includes i) an upper substrate, ii) a lower substrate facing the upper substrate, iii) the barrier structure disposed between the upper substrate and the lower substrate and defining discharge cells, iv) upper discharge electrodes arranged at intervals within the barrier structure and each surrounding at least parts of the discharge cells, v) lower discharge electrodes arranged at intervals within the barrier structure, located under the upper discharge electrode, and each surrounding at least parts of the discharge cells, and vi) phosphor layers disposed over the discharge cells. According to one embodiment of the present invention, ineffective power consumption can be reduced and heat generated in the discharge cells can be effectively dissipated.Type: ApplicationFiled: January 25, 2006Publication date: August 3, 2006Inventors: Hun-Suk Yoo, Won-Ju Yi
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Publication number: 20060158116Abstract: A plasma display panel (PDP) is structured so as to reduce the cost and time of manufacturing a plasma display device, and to improve heat transfer efficiency of the plasma display device. The PDP comprises: a transparent front substrate; a rear substrate disposed parallel to the front substrate; an electromagnetic wave shielding layer fixed on the front substrate; a plurality of discharge cells defined by barrier ribs disposed between the front substrate and the rear substrate; a plurality of address electrodes extending over the discharge cells and disposed in a given direction; a rear dielectric layer covering the address electrodes; a plurality of fluorescent layers disposed in the discharge cells; a plurality of sustaining electrode pairs extending in a direction which crosses the given direction of the address electrodes; a front dielectric layer covering the sustaining electrode pairs; and a discharge gas filling the discharge cells.Type: ApplicationFiled: January 31, 2006Publication date: July 20, 2006Inventors: Jae-Ik Kwon, Won-Ju Yi, Kyoung-Doo Kang
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Patent number: 7067978Abstract: A Plasma Display Panel (PDP) having an improved light emitting efficiency includes: a transparent upper substrate; a lower substrate arranged in parallel to the upper substrate; upper barrier ribs arranged between the upper substrate and the lower substrate, the upper barrier ribs including a dielectric and defining discharge cells with the upper and lower substrates; upper discharge electrodes arranged in the upper barrier ribs to surround the discharge cells; lower discharge electrodes arranged in the upper barrier ribs to surround the discharge cells, the lower discharge electrodes being separated from the upper discharge electrodes; lower barrier ribs of a closed type arranged under the upper barrier ribs, the lower barrier ribs having the same shape as those of the upper barrier ribs; a phosphor layer arranged in each of the discharge cells; and a discharge gas contained within each discharge cell.Type: GrantFiled: February 17, 2005Date of Patent: June 27, 2006Assignee: Samsung SDI Co., Ltd.Inventors: Jae-Ik Kwon, Kyoung-Doo Kang, Won-Ju Yi
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Publication number: 20060113910Abstract: A plasma display panel includes a back substrate having back barrier ribs partitioning a plurality of discharge cells; a front substrate arranged to be opposite to the back substrate and having front barrier ribs partitioning the discharge cells in cooperation with the back barrier ribs; back discharge electrodes arranged within the back barrier ribs to enclose the discharge cells; front discharge electrodes arranged within the front barrier ribs to enclose the discharge cells; phosphor layers arranged within the discharge cells; and discharge gas arranged within the discharge cells.Type: ApplicationFiled: November 28, 2005Publication date: June 1, 2006Inventors: Kyoung-Doo Kang, Won-Ju Yi
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Publication number: 20060001611Abstract: A plasma display panel, which effectively compensates for the lowest maximum brightness level of a sub-pixel, is disclosed.Type: ApplicationFiled: June 29, 2005Publication date: January 5, 2006Inventors: Kyung-Doo Kang, Won-Ju Yi
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Publication number: 20060001608Abstract: A plasma display panel (PDP) is disclosed. The PDP includes: a first substrate and a second substrate opposite to the first substrate, a barrier rib, partitioning discharge cells together with the first substrate and the second substrate, and made of a dielectric material, common-address electrode lines, embedded in the barrier rib to surround the discharge cells, and extending to cross the discharge cells, scan electrode lines, embedded in the barrier rib to surround the discharge cells, separated from the common-address electrode lines, and extending to intersect the common-address electrode lines at the respective discharge cells, phosphor layers formed in the discharge cells. In one embodiment, the PDP is driven by a driving waveform including a reset period, an address period, and a sustain-discharge period.Type: ApplicationFiled: June 29, 2005Publication date: January 5, 2006Inventors: Kyoung-Doo Kang, Won-Ju Yi
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Publication number: 20060001610Abstract: A plasma display panel (PDP) is disclosed. The PDP includes: a first substrate and a second substrate opposite to the first substrate, a barrier rib, partitioning discharge cells together with the first substrate and the second substrate, and made of a dielectric material, common-address electrode lines, embedded in the barrier rib to surround the discharge cells, and extended to cross the discharge cells, scan electrode lines, embedded in the barrier rib to surround the discharge cells, separated from the common-address electrode lines, and extended to intersect the common-address electrode lines at the respective discharge cells, phosphor layers formed in the discharge cells, and a discharge gas filled in the discharge cells. In one embodiment, the PDP is driven by a driving waveform including a reset period or address period and a sustain-discharge period; and in the reset period.Type: ApplicationFiled: June 29, 2005Publication date: January 5, 2006Inventors: Kyoung-Doo Kang, Won-Ju Yi
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Publication number: 20050264478Abstract: A Plasma Display Panel (PDP) includes: a front substrate; a rear substrate opposite to the front substrate; a dielectric wall arranged between the front and rear substrates to define discharge cells together with the front and rear substrates; pairs of discharge sustaining electrodes separately arranged along respective discharge cells and including a plurality of X electrodes and a plurality of Y electrodes buried in the dielectric wall; address electrodes arranged on the rear substrate and buried in a dielectric layer; and first, second, and third color phosphor layers coated in the discharge cells; wherein sectional areas of the X and Y electrodes vary with discharge distances of the X and Y electrodes with respect to portions of the X and Y electrodes where a discharge starts.Type: ApplicationFiled: May 19, 2005Publication date: December 1, 2005Inventors: Jae-Ik Kwon, Won-Ju Yi
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Publication number: 20050258747Abstract: A Plasma Display Panel (PDP) has a high aperture ratio of a discharge cell, a high light transmittance, and a high luminous efficiency and a stable and efficient discharge occurs uniformly at a low driving voltage on inner sidewalls of the discharge cell and concentrates in the center of the discharge cell.Type: ApplicationFiled: April 29, 2005Publication date: November 24, 2005Inventors: Su-Bin Song, Kyoung-Doo Kang, Jun-Yong Park, Won-Ju Yi
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Publication number: 20050258748Abstract: A Plasma Display Panel (PDP) includes: a first substrate; a second substrate facing the first substrate; first barrier ribs, formed of a dielectric material and arranged between the first and second substrates, the first barrier ribs defining discharge cells with the first and second substrates; a phosphor layer arranged in the discharge cells; upper discharge electrodes arranged in the first barrier ribs and extending to surround the discharge cells; and lower discharge electrodes arranged in the first barrier ribs to be separated from the upper discharge electrodes, and extending to surround the discharge cells; wherein at least one of the upper and lower discharge electrodes includes discharge units that are respectively divided into plural pieces separated from each other to surround the discharge cells, and connection units electrically connecting the discharge units that respectively surround the neighboring discharge cells.Type: ApplicationFiled: April 29, 2005Publication date: November 24, 2005Inventors: Kyoung-Doo Kang, Won-Ju Yi
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Publication number: 20050242723Abstract: A plasma display panel. The plasma display panel includes a first substrate made of a transparent material, a second substrate opposite to the first substrate, a first barrier rib being arranged between the first substrate and the second substrate, defining discharge cells together with the first and second substrates, and being made of a dielectric material, upper discharge electrodes being arranged within the first barrier rib and surrounding the discharge cells, lower discharge electrodes being arranged within the first barrier rib, separated from the upper discharge electrodes by a predetermined gap, and respectively being vertically symmetrical with the upper discharge electrodes, and a phosphor layer being arranged in the discharge cells.Type: ApplicationFiled: March 4, 2005Publication date: November 3, 2005Inventors: Hun-Suk Yoo, Won-Ju Yi
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Publication number: 20050242722Abstract: A plasma display panel. The plasma display panel includes a first substrate made of a transparent material, a second substrate opposite to the first substrate, a first partition wall being located between the first substrate and the second substrate, defining discharge cells together with the first and second substrates, and being made of a dielectric material, upper discharge electrodes being located in the first partition wall and surrounding the discharge cells, lower discharge electrodes being located in the first partition wall to surround the discharge cells and separated from the upper discharge electrodes by a predetermined gap, protrusive electrodes being located in the first partition wall between the upper discharge electrodes and the lower discharge electrodes, connected to one of the upper discharge electrodes and the lower discharge electrodes, and separated from the other discharge electrodes by a predetermined gap, and a phosphor layer arranged in the discharge cells.Type: ApplicationFiled: February 23, 2005Publication date: November 3, 2005Inventors: Hun-Suk Yoo, Won-Ju Yi, Jeong-Chull Ahn
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Publication number: 20050236986Abstract: A Plasma Display Panel (PDP) having an improved light emitting efficiency includes: a transparent upper substrate; a lower substrate arranged in parallel to the upper substrate; upper barrier ribs arranged between the upper substrate and the lower substrate, the upper barrier ribs including a dielectric and defining discharge cells with the upper and lower substrates; upper discharge electrodes arranged in the upper barrier ribs to surround the discharge cells; lower discharge electrodes arranged in the upper barrier ribs to surround the discharge cells, the lower discharge electrodes being separated from the upper discharge electrodes; lower barrier ribs of a closed type arranged under the upper barrier ribs, the lower barrier ribs having the same shape as those of the upper barrier ribs; a phosphor layer arranged in each of the discharge cells; and a discharge gas contained within each discharge cell.Type: ApplicationFiled: February 17, 2005Publication date: October 27, 2005Inventors: Jae-Ik Kwon, Kyoung-Doo Kang, Won-Ju Yi
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Publication number: 20050231112Abstract: A plasma display panel (PDP) and a method of manufacturing the same, where the PDP includes a front panel and a rear panel, which are disposed opposite to each other and bonded to each other. The front panel includes a front substrate, and the rear panel includes: a rear substrate disposed opposite to the front substrate; front barrier ribs, which are disposed on or above the rear substrate to define discharge cells and formed of a dielectric material; front discharge electrodes and rear discharge electrodes, which are disposed inside the front barrier ribs to surround the discharge cells and spaced apart from each other; and phosphor layers disposed in the discharge cells.Type: ApplicationFiled: April 14, 2005Publication date: October 20, 2005Inventors: Seok-Gyun Woo, Won-Ju Yi, Kyoung-Doo Kang
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Publication number: 20050231113Abstract: A plasma display panel (PDP) that has a front substrate, a rear substrate arranged opposite to the front substrate, closed-type front barrier ribs arranged between the front substrate and the rear substrate and formed of a dielectric material, the front barrier ribs defining discharge cells together with the front and rear substrates, front and rear discharge electrodes arranged within the front barrier ribs and surrounding the discharge cells and spaced apart from each other, phosphor layers arranged within the discharge cells and a discharge gas injected into discharge cells.Type: ApplicationFiled: April 14, 2005Publication date: October 20, 2005Inventors: Kyoung-Doo Kang, Won-Ju Yi, Jae-Ik Kwon
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Publication number: 20050231110Abstract: A Plasma Display Panel (PDP) includes: a first substrate; a second substrate facing the first substrate; a first barrier rib of a dielectric material disposed between the first and second substrates, and defining discharge cells with the first and second substrates; upper discharge electrodes, each including an upper discharge unit disposed in the first barrier rib to surround the discharge cell and a terminal unit protruding from the first barrier rib; lower discharge electrodes, each including a lower discharge unit disposed in the first barrier rib to surround the discharge cell and a terminal unit protruding from the first barrier rib, the lower discharge electrodes respectively separated from the upper discharge electrodes; a first extension barrier rib supporting the lower terminal unit to be at the same height as the lower discharge units; a phosphor layer disposed in the discharge cells; and a discharge gas filling the discharge cells.Type: ApplicationFiled: April 13, 2005Publication date: October 20, 2005Inventors: Seok-Gyun Woo, Won-Ju Yi, Kyoung-Doo Kang