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: 20080231188Abstract: A plasma display panel includes a first electrode sheet and a second electrode sheet. Each sheet includes inside lines extending in one direction, each inside line having a discharge electrode forming a closed curve discharge unit and being separated from and electrically connected to an adjacent closed curve discharge unit by a first connection unit. The discharge electrode is of a material subject to an anodization such that anodization forms a dielectric layer having an anodization thickness to an outside of the closed curve discharge unit larger than an anodization thickness to an inside of the closed curve discharge unit, the inside of the closed curve discharge unit forming a sheet discharge hole.Type: ApplicationFiled: January 14, 2008Publication date: September 25, 2008Inventors: Jong-woo Choi, Won-ju Yi, Yong-shik Hwang, Jae-ik Kwon, Tae-seung Cho, Kyoung-doo Kang, Byoung-min Chun, Seok-gyun Woo, Young-do Choi, Seong-gi Choo, Hyun-min Son
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Publication number: 20080224611Abstract: An electrode sheet, a method of manufacturing the electrode sheet, and a plasma display panel having the electrode sheet. The electrode sheet includes: a plurality of electrodes arranged at substantially constant distances apart, each of the electrodes having a discharge space in its central region; an electrode line for connecting the electrodes along a first direction; and a dielectric enclosing the electrodes and the electrode line and connecting the electrodes along a second direction, wherein the electrodes and the electrode line are composed of magnesium (Mg), and the dielectric is composed of magnesium oxide (MgO).Type: ApplicationFiled: March 13, 2008Publication date: September 18, 2008Inventors: Yong-shik Hwang, Won-ju Yi, Kyoung-doo Kang, Jong-woo Choi, Byoung-min Chun, Jae-ik Kwon
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Publication number: 20080218441Abstract: A plasma display panel is provided in discharge spaces in which phosphor layers are disposed between first and second electrodes which are spaced apart from each other. The cross-sectional area of each discharge space in two regions where the first and second electrodes are respectively arranged has a different structure.Type: ApplicationFiled: March 3, 2008Publication date: September 11, 2008Inventors: Tae-Seung Cho, Won-Ju Yi, Kyoung-Doo Kang, Young-Do Choi, Jae-Ik Kwon, Seok-Gyun Woo, Yong-Shik Hwang, Byoung-Min Chun, Jong-Woo Choi
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Publication number: 20080211739Abstract: A PDP with improved durability is provided. The PDP includes a first substrate and a second substrate facing the first substrate. An electrode sheet is between the first substrate and the second substrate. The electrode sheet includes barrier ribs, a plurality of discharge cells, discharge electrodes for generating discharge in the discharge cells, and one or more through-holes. A sealant is disposed in the one or more through-holes for sealing the first substrate and the second substrate.Type: ApplicationFiled: January 9, 2008Publication date: September 4, 2008Inventors: Byoung-Min Chun, Kyoung-Doo Kang, Yong-Shik Hwang, Jae-Ik Kwon, Won-Ju Yi, Tae-Seung Cho, Young-Do Choi, Seok-Gyun Woo
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Patent number: 7408301Abstract: 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: GrantFiled: January 4, 2006Date of Patent: August 5, 2008Assignee: Samsung SDI Co., Ltd.Inventors: Jae-Ik Kwon, Won-Ju Yi, Kyoung-Doo Kang
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Publication number: 20080157674Abstract: A plasma display panel (PDP) which can reduce the cost and time of manufacturing a plasma display device, and which can improve heat transfer efficiency of a plasma display device, 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: February 26, 2008Publication date: July 3, 2008Inventors: Jae-Ik Kwon, Won-Ju Yi, Kyoung-Doo Kang
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Publication number: 20080158105Abstract: A plasma display panel including: a first substrate; a plurality of first electrodes and a plurality of second electrodes, the first and second electrodes being disposed in parallel on the first substrate; a first dielectric surrounding the first electrodes and the second electrodes and connecting the first electrodes and the second electrodes; a passivation layer on the first dielectric and on the first electrodes and the second electrodes; a second substrate facing the first substrate; a plurality of third electrodes on the second substrate and crossing the first electrodes and the second electrodes; and a second dielectric on the third electrodes.Type: ApplicationFiled: September 20, 2007Publication date: July 3, 2008Applicant: SAMSUNG SDI CO., LTD.Inventors: Byoung-min Chun, Kwang-sik Lee, Won-ju Yi, Kyoung-doo Kang, Yong-shik Hwang, Tae-seung Cho, Seok-gyun Woo, Jong-woo Choi, Seong-gi Choo, Young-do Choi, Jae-ik Kwon, Hyun-min Son
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Publication number: 20080122358Abstract: Example embodiments relate to a plasma display panel including a first flexible substrate and a second flexible substrate opposing each other, a flexible electrode sheet having a plurality of electrodes to define a plurality of discharge spaces, the flexible electrode sheet may be between the first flexible substrate and the second flexible substrate, an exhaustion hole engaged with the second flexible substrate and may connect the discharge spaces to an outside, and a supporting unit installed between the first flexible substrate and the second flexible substrate adjacent to the exhaustion hole may be mounted, so as to connect the discharge spaces to the exhaustion hole.Type: ApplicationFiled: June 20, 2007Publication date: May 29, 2008Inventors: Jae-Ik Kwon, Won-Ju Yi, Kyoung-Doo Kang, Seok-Gyun Woo
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Publication number: 20080116799Abstract: A plasma display panel includes a pair of substrates having a first substrate where an image is displayed and a second substrate. A barrier rib structure separates the substrates and has discharge cells within the barrier rib structure. Discharge electrode pairs are in the barrier rib structure, at least one of the discharge electrode pairs surrounding a discharge cell. A ferroelectric layer is on surfaces of the barrier rib structure forming the discharge cells. A phosphor layer is in each of the discharge cells.Type: ApplicationFiled: November 9, 2007Publication date: May 22, 2008Inventors: Tae-Seung Cho, Won-Ju Yi, Kyoung-Doo Kang, Young-Do Choi, Jae-Ik Kwon, Yong-Shik Hwang, Byoung-Min Chun, Seok-Gyun Woo, Hyea-Jin Park
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Publication number: 20080111486Abstract: A plasma display panel includes a front substrate and a rear substrate facing each other, two or more electrode sheets having apertures or openings arranged in a uniform pattern for forming discharge spaces between the front substrate and the rear substrate, and including discharge electrodes surrounding at least a part of each of the discharge spaces and extending in one direction. Phosphor layers are located on the front substrate or the rear substrate to correspond to the discharge spaces. and a discharge gas filled in the discharge spaces, wherein projection portions are formed on side surfaces of the discharge electrodes and project into the discharge spaces.Type: ApplicationFiled: October 16, 2007Publication date: May 15, 2008Inventors: Byoung-Min Chun, Won-Ju Yi, Kyoung-Doo Kang, Yong-Shik Hwang, Tae-Seung Cho, Jong-Woo Choi, Seok-Gyun Woo, Jae-Ik Kwon, Young-Do Choi
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Publication number: 20080106196Abstract: A flexible plasma display panel including a display area defined by a first substrate and a second substrate, which are disposed to face each other to form discharge spaces therebetween, wherein the first substrate and the second substrate are flexible and include a plurality of electrodes; and a sealing area for sealing the first substrate and the second substrate by compressing the first and second substrates on edges of the display area.Type: ApplicationFiled: May 9, 2007Publication date: May 8, 2008Applicant: Samsung SDI Co., Ltd.Inventors: Seok-Gyun WOO, Jae-Ik Kwon, Won-Ju Yi, Kyoung-Doo Kang, Ho-Young Ahn, Soo-Ho Park
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Publication number: 20080100217Abstract: A plasma display apparatus and manufacturing method. The plasma display apparatus includes a front substrate and a rear substrate. The rear substrate is formed of a metallic substance in which a plurality of grooves are formed on a surface facing the front substrate. An oxidation layer covers at least the surface facing the front substrate. A plurality of barrier ribs are located between the front and rear substrates and define a plurality of discharge cells corresponding to the grooves of the rear substrate. A plurality of discharge electrodes are located in the barrier ribs, surround at least portions of the discharge cells, and are separated from one another. A plurality of fluorescent substances are located in the grooves of the rear substrate. A discharge gas is filled in the discharge cells.Type: ApplicationFiled: September 24, 2007Publication date: May 1, 2008Applicant: SAMSUNG SDI CO., LTD.Inventors: Yong-Shik Hwang, Won-Ju Yi, Kyoung-Doo Kang, Jae-Ik Kwon
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Patent number: 7365491Abstract: 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: GrantFiled: November 28, 2005Date of Patent: April 29, 2008Assignee: Samsung SDI Co., Ltd.Inventors: Kyoung-Doo Kang, Won-Ju Yi
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Patent number: 7358669Abstract: A plasma display panel (PDP) which can reduce the cost and time of manufacturing a plasma display device, and which can improve heat transfer efficiency of a plasma display device, 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: GrantFiled: February 15, 2005Date of Patent: April 15, 2008Assignee: Samsung SDI Co., Ltd.Inventors: Jae-Ik Kwon, Won-Ju Yi, Kyoung-Doo Kang
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Publication number: 20080084154Abstract: A plasma display panel and a method of manufacturing the same is provided. The plasma display panel includes a front substrate and a rear substrate spaced apart from each other. A plurality of electrode sheets are stacked between the front substrate and the rear substrate, and have apertures for forming a plurality of discharge spaces. The electrode sheets include a plurality of metal discharge electrodes extending so as to surround at least a part of each of the discharge spaces arranged in a column, and are separated from each other. Insulation members are located between the metal discharge electrodes, are formed of a oxide material of the metal of the metal discharge electrodes and insulate the metal discharge electrodes.Type: ApplicationFiled: August 23, 2007Publication date: April 10, 2008Inventors: Byoung-Min Chun, Won-Ju Yi, Kyoung-Doo Kang, Yong-Shik Hwang, Tae-Seung Cho, Jong-Woo Choi, Seok-Gyun Woo, Jae-Ik Kwon, Young-Do Choi
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Patent number: 7345425Abstract: 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: GrantFiled: March 17, 2006Date of Patent: March 18, 2008Assignee: Samsung SDI Co., Ltd.Inventors: Kyoung-Doo Kang, Won-Ju Yi
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Publication number: 20080054808Abstract: A plasma display panel includes first and second substrates facing each other, a first barrier rib structure between the first and second substrates, the first barrier rib structure including first and second barrier rib portions in communication with each other, a second barrier rib structure on the second substrate, the second barrier rib structure aligned with the first barrier rib portion to define a plurality of discharge cells, a plurality of discharge electrodes, each discharge electrode including a discharge part in the first barrier rib portion, a terminal part in communication with the second barrier rib portion, and a connection part between the discharge and terminal parts, a signal transmitting member with conductive wires, the conductive wires being connected to the terminal parts, a support part between the second substrate and the second barrier rib portion of the first barrier rib structure, and photoluminescent layers in the discharge cells.Type: ApplicationFiled: August 24, 2007Publication date: March 6, 2008Inventors: Ho-Young Ahn, Won-Ju Yi, Kyoung-Doo Kang, Dong-Young Lee, Soo-Ho Park, Seok-Gyun Woo, Jae-Ik Kwon
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Publication number: 20080048549Abstract: Example embodiments relate to a plasma display panel and a method of forming the same, having a first substrate, a second substrate, a barrier rib interposed between the first substrate and the second substrate, a plurality of grooves formed in the second substrate so as to define discharge cells, a barrier rib electrode including a discharge portion located within the barrier rib to perform a discharge, a contact portion exposed from a surface of the barrier rib, and an intermediate portion connecting the discharge portion and the contact portion, and a terminal electrode on at least one of the first and second substrates such that one end of the terminal electrode may be electrically connected to a signal transmission element and other end thereof may be electrically connected to the contact portion of the barrier rib electrode.Type: ApplicationFiled: August 24, 2007Publication date: February 28, 2008Inventors: Ho-Young Ahn, Won-Ju Yi, Kyong-Doo Kang, Dong-Young Lee, Soo-Ho Park, Seok-Gyun Woo, Jae-Ik Kwon
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Patent number: 7336034Abstract: A structure for connecting terminal parts of electrodes of a plasma display panel (PDP) includes a pair of substrates, barrier ribs arranged between the pair of substrates, a dielectric layer arranged between the pair of substrates, discharge electrodes, each having a discharge part arranged inside the barrier ribs, and an exposed part arranged at an end of the discharge part and outside the barrier ribs, terminal electrodes arranged on the dielectric layer, connection parts including conductive paste electrically connecting the exposed parts with the terminal electrodes, blocking partition walls arranged between the connection parts, and signal transmitting members electrically connected with the terminal electrodes.Type: GrantFiled: June 13, 2006Date of Patent: February 26, 2008Assignee: Samsung SDI Co., Ltd.Inventors: Jae-Ik Kwon, Kyoung-Doo Kang, Won-Ju Yi, Seok-Gyun Woo
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Patent number: 7327084Abstract: 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: GrantFiled: February 23, 2005Date of Patent: February 5, 2008Assignee: Samsung SDI Co., Ltd.Inventors: Hun-Suk Yoo, Won-Ju Yi, Jeong-Chull Ahn