Patents by Inventor Eun Gi Heo
Eun Gi Heo 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: 20050134176Abstract: A plasma display panel includes a first substrate, on which discharge sustain electrodes are formed, and an opposing second substrate, on which address electrodes are aligned in a first direction. Barrier ribs between the substrates define a plurality of discharge cells within which phosphor layers are formed. The display electrodes have bus electrodes, forming a corresponding pair within each of the discharge cells, and extension electrodes, extending from the bus electrodes into each of the discharge cells to form an opposing pair. A pair of the display electrodes corresponding to each of the discharge cells forms a first gap and a second gap having different distances from each other between the opposing extension electrodes, and forms a third gap between the bus electrodes. The second gap is longer than the first gap, and the third gap is longer than the second gap.Type: ApplicationFiled: November 29, 2004Publication date: June 23, 2005Inventors: Jae-Ik Kwon, Hye-Kyong Kwon, Tae-Kyoung Kang, Eun-Gi Heo
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Publication number: 20050088371Abstract: A plasma display panel (PDP) that has a T-shaped electronic structure or an electrode structure with adjacent parts of the scan electrode and the sustain electrode being broad, and parts coupled to the bus electrodes being narrow in a like manner to the T-shaped electrode structure is provided. The PDP has various discharge modes according to magnitudes of sustain discharge voltages. A frame is divided into a plurality of subfields with respective weights and is driven in the PDP. The subfields with low weights use low sustain discharge voltages to perform a discharge with a small quantity of emitting light, and the subfields with high weights use high sustain discharge voltages to perform a discharge with a big quantity of emitting light, thereby increasing representation performance of low gray scales.Type: ApplicationFiled: September 29, 2004Publication date: April 28, 2005Inventor: Eun-Gi Heo
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Patent number: 6872115Abstract: One object of the present invention is to provide a blade for forming ribs that is able to improve wear resistance; in order to achieve the object, the present invention provide a blade for forming ribs that forms ribs either on the surface of a substrate or via an undercoating layer on the surface of a substrate by moving a blade body in a fixed direction relative to a paste film in the state in which comb teeth formed on at least a portion of the periphery of said blade body are penetrated into said paste film formed on the surface of said substrate to plasticly deform said paste film; wherein, the surface of said comb teeth formed on said blade body that makes contact with said paste film is coated with a compound layer in which hard particles are dispersed in a metal.Type: GrantFiled: September 24, 2002Date of Patent: March 29, 2005Assignees: Mitsubishi Material Corporation, Samsung SDI Co., Ltd.Inventors: Hideaki Sakurai, Kunio Sugamura, Yoshio Kanda, Ryuji Uesugi, Yoshirou Kuromitsu, Young Cheul Kang, Eun Gi Heo, Young Soo Seo, Seung Jae Chung, Joon Min Kim, Hyun Sub Lee
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Publication number: 20050046353Abstract: A plasma display panel where the address electrodes are designed to have perforated portions in the vicinity of display electrodes to prevent the build up of unwanted wall charges in the vicinity of the display electrodes to thus prevent mis-discharge in the plasma display panel. The perforations can be quadrilateral in shape, and can be made to different sizes depending on the color of the phosphor in the vicinity of the perforation. As a result, drive voltage margin quality between the different colors can be improved to produce a more reliable display.Type: ApplicationFiled: September 2, 2004Publication date: March 3, 2005Inventors: Jae-Ik Kwon, Tae-Kyoung Kang, Eun-Gi Heo
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Publication number: 20040263078Abstract: A plasma display panel. A first substrate and a second substrate are provided opposing one another with a predetermined gap therebetween. Address electrodes are formed on the second substrate. Barrier ribs are mounted between the first substrate and the second substrate, the barrier ribs defining a plurality of discharge cells and a plurality of non-discharge regions. Phosphor layers are formed within each of the discharge cells. Discharge sustain electrodes are formed on the first substrate. The non-discharge regions are formed in areas encompassed by discharge cell abscissas and ordinates that pass through centers of each of the discharge cells. Also, external light absorbing members are formed between the second substrate and the barrier ribs layer at areas corresponding to locations of the non-discharge regions.Type: ApplicationFiled: June 14, 2004Publication date: December 30, 2004Inventors: Seok-Gyun Woo, Woo-Tae Kim, Kyoung-Doo Kang, Hun-Suk Yoo, Jae-Ik Kwon, Tae-Joung Kweon, Eun-Gi Heo
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Publication number: 20040183441Abstract: Disclosed is a plasma display panel including a first substrate and a second substrate provided with a predetermined gap therebetween, and disposed substantially parallel to each other; a plurality of address electrodes formed on the first substrate; a first dielectric layer formed on a front surface of the first substrate, covering the address electrodes; a plurality of barrier ribs mounted on the first dielectric layer with a predetermined height to provide a discharge space; a phosphor layer formed within the discharge space; a plurality of discharge sustain electrodes provided on a front surface of the second substrate facing the first substrate, and disposed generally perpendicular to the address electrodes; a second dielectric layer formed on the front surface of the second substrate, covering the discharge sustain electrodes; and a passivation layer coated on the second dielectric layer, comprising MgO and dopant elements Si and Fe.Type: ApplicationFiled: March 2, 2004Publication date: September 23, 2004Inventors: Ki-Dong Kim, Eun-Gi Heo, Young-Cheul Kang
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Patent number: 6741038Abstract: A plasma display panel in which partition walls are formed to have different widths includes a front substrate and a rear substrate facing the front substrate. The front substrate includes sustain electrodes, a dielectric layer that covers the sustain electrodes, and a protective layer formed on the bottom of the dielectric layer. The rear substrate includes a address electrodes, partition walls formed parallel to the address electrodes discharge spaces therebetween, the partition walls having corresponding different widths. Red, green and blue phosphor layers are deposited on the corresponding insides of adjacent pairs of the partition walls.Type: GrantFiled: September 24, 2001Date of Patent: May 25, 2004Assignee: Samsung SDI Co., Ltd.Inventor: Eun-gi Heo
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Publication number: 20040075389Abstract: A plasma display panel includes first and second substrates that are substantially parallel to each other with a predetermined gap therebetween. The substrates include a display region and a non-display region. Barrier ribs are mounted between the first and second substrates within the display region and define discharge cells. The barrier ribs include an outermost barrier rib located at an edge of the display region. Dummy barrier ribs are mounted between the first and second substrates within the non-display region. The dummy barrier ribs include a first sub barrier rib disposed at a predetermined distance from the outermost barrier rib, and at least one second sub barrier rib connected to the first sub barrier rib and the outermost barrier rib.Type: ApplicationFiled: September 3, 2003Publication date: April 22, 2004Inventors: Woo-Tae Kim, Eun-Gi Heo
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Publication number: 20040056597Abstract: A plasma display panel (PDP) includes a first substrate and a second substrate opposing one another with a predetermined gap therebetween. The first substrate and the second substrate are substantially rectangular in shape with long side edges and short side edges, and are interconnected by frit deposited between the first substrate and the second substrate. The substrates have a predetermined discharge region and predetermined non-discharge regions that surround the discharge region. The PDP also includes barrier ribs mounted between the first substrate and the second substrate. The barrier ribs are mounted at least partly on the discharge region, and at least partly on the non-discharge regions that are adjacent to the long side edges of the substrates.Type: ApplicationFiled: September 18, 2003Publication date: March 25, 2004Inventors: Ji-Sung Ko, Eun-Gi Heo, Woo-Tae Kim
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Publication number: 20030151363Abstract: A plasma display device includes a first substrate, an address electrode formed on an upper surface of the fist substrate, a first dielectric layer formed on the upper surface of the first substrate and embedding the address electrode, a second substrate which is transparent and forms a discharge space by being coupled to the first substrate, a plurality of maintaining electrodes formed on a lower surface of the second substrate to form a predetermined angle with the address electrode, each of the maintaining electrodes including first and second electrodes, a second dielectric layer formed on the second substrate where the maintaining electrodes are formed and embedding the maintaining electrodes, at least a portion where an electrical field is concentrated formed between the first and second electrodes constituting the maintaining electrodes, and a partition installed between the first and second substrates for sectioning the discharge space.Type: ApplicationFiled: March 7, 2003Publication date: August 14, 2003Applicant: Samsung SDI Co., Ltd.Inventors: Byung-Hak Lee, Eun-Gi Heo, Min-Sun Yoo, Yoshinori Anzai
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Publication number: 20030056313Abstract: One object of the present invention is to provide a blade for forming ribs that is able to improve wear resistance; in order to achieve the object, the present invention provide a blade for forming ribs that forms ribs either on the surface of a substrate or via an undercoating layer on the surface of a substrate by moving a blade body in a fixed direction relative to a paste film in the state in which comb teeth formed on at least a portion of the periphery of said blade body are penetrated into said paste film formed on the surface of said substrate to plasticly deform said paste film; wherein, the surface of said comb teeth formed on said blade body that makes contact with said paste film is coated with a compound layer in which hard particles are dispersed in a metal.Type: ApplicationFiled: September 24, 2002Publication date: March 27, 2003Inventors: Hideaki Sakurai, Kunio Sugamura, Yoshio Kanda, Ryuji Uesugi, Yoshirou Kuromitsu, Young Cheul Kang, Eun Gi Heo, Young Soo Seo, Seung Jae Chung, Joon Min Kim, Hyun Sub Lee
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Patent number: 6531820Abstract: A plasma display device includes a first substrate, an address electrode formed on an upper surface of the fist substrate, a first dielectric layer formed on the upper surface of the first substrate and embedding the address electrode, a second substrate which is transparent and forms a discharge space by being coupled to the first substrate, a plurality of maintaining electrodes formed on a lower surface of the second substrate to form a predetermined angle with the address electrode, each of the maintaining electrodes including first and second electrodes, a second dielectric layer formed on the second substrate where the maintaining electrodes are formed and embedding the maintaining electrodes, at least a portion where an electrical field is concentrated formed between the first and second electrodes constituting the maintaining electrodes, and a partition installed between the first and second substrates for sectioning the discharge space.Type: GrantFiled: March 24, 2000Date of Patent: March 11, 2003Assignee: Samsung SDI Co., Ltd.Inventors: Byung-hak Lee, Eun-gi Heo, Min-sun Yoo, Yoshinori Anzai
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Publication number: 20020041157Abstract: A plasma display panel in which partition walls are formed to have different widths includes a front substrate and a rear substrate facing the front substrate. The front substrate includes sustain electrodes, a dielectric layer that covers the sustain electrodes, and a protective layer formed on the bottom of the dielectric layer. The rear substrate includes a address electrodes, partition walls formed parallel to the address electrodes discharge spaces therebetween, the partition walls having corresponding different widths. Red, green and blue phosphor layers are deposited on the corresponding insides of adjacent pairs of the partition walls.Type: ApplicationFiled: September 24, 2001Publication date: April 11, 2002Inventor: Eun-gi Heo
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Patent number: 6208082Abstract: A method for driving a surface discharge type plasma display panel (PDP) having a matrix display form is provided. The surface discharge type PDP is driven by a progressive driving method such that non-discharge regions are removed by combining common and scanning electrodes traversing neighboring discharge cells or two neighboring scanning electrodes into one. While the scanning electrodes traversing neighboring discharge cells are reduced to one to be used in common, sequential scanning is allowed. Thus, the number of driver circuits can be reduced. Also, since the distance between electrodes of the respective lines can be reduced, a high-precision PDP can be achieved by reducing a line pitch. Also, the ratio of the area occupied by display electrodes in a unit emission region is increased and the range in which a surface discharge occurs is extended, thereby improving the luminance.Type: GrantFiled: December 16, 1999Date of Patent: March 27, 2001Assignee: Samsung SDI Co., Ltd.Inventors: Sang-Chul Kim, Eun-gi Heo