With Dielectric Member Patents (Class 313/586)
-
Patent number: 7755288Abstract: A plasma display panel and a method for manufacturing the same. The plasma display panel includes: a first substrate; sustain electrodes on the first substrate, each being composed of an X electrode and a Y electrode; a first dielectric layer covering the sustain electrodes; a protective layer on the first dielectric layer; a second substrate facing the first substrate; address electrodes on the second substrate and crossing the sustain electrodes; a second dielectric layer covering the address electrodes; and barrier ribs for partitioning discharge spaces between the first substrate and the second substrate; and a phosphor layer at sides of the barrier ribs. Here, the protective layer is a single deposition layer having a non-uniform thickness, the sustain electrodes are located to correspond to a first region of the protective layer, and the first region of the protective layer is thicker than a second region of the protective layer.Type: GrantFiled: January 23, 2008Date of Patent: July 13, 2010Assignee: Samsung SDI Co., Ltd.Inventor: Dong-hyun Kim
-
Patent number: 7755286Abstract: Disclosed is a dense silicon oxide film having a high insulation resistance, which is a glass film having a certain level of thickness. Specifically, disclosed are a silicon oxide film, and a glass film comprising the silicon oxide film and silica particles incorporated in the silicon oxide film. The glass film can be produced by a process comprising the steps of: applying a paste comprising silica particles, an organic silicon compound which is in a liquid form at room temperature and water onto a substrate; and oxidizing the organic silicon compound in the paste.Type: GrantFiled: August 3, 2006Date of Patent: July 13, 2010Assignee: Panasonic CorporationInventors: Tomohiro Okumura, Mitsuo Saitoh, Hironobu Inoue, Motoi Hatanaka
-
Patent number: 7755285Abstract: A plasma display panel includes a plurality of first bus electrodes and a plurality of second bus electrodes disposed so as to be adjacent on at least one side, a plurality of first discharge electrodes and a plurality of second discharge electrodes that are transparent and extend in a comb-tooth shape in a direction perpendicular to the bus electrodes, a plurality of third electrodes extending in parallel in a vertical direction, and a plurality of horizontal barrier ribs extending in parallel to the third electrodes. Display cells are formed in portions where the first and second bus electrodes face each other and which are defined by the barrier ribs in a horizontal direction. The first discharge electrodes and the second discharge electrodes are alternately disposed for every two cells in the horizontal direction so as to protrude from the first and second bus electrodes, respectively.Type: GrantFiled: November 30, 2005Date of Patent: July 13, 2010Assignee: Fujitsu Hitachi Plasma Display LimitedInventor: Takashi Sasaki
-
Patent number: 7750568Abstract: A Plasma Display Panel (PDP) includes: a first substrate; a second substrate arranged parallel to the first substrate; a partition wall interposed between the first and second substrates; a groove formed on the partition wall; and a reflection preventive layer formed on the groove to reduce reflective luminance in a display area.Type: GrantFiled: October 11, 2005Date of Patent: July 6, 2010Assignee: Samsung SDI Co., Ltd.Inventors: Chong-Gi Kang, Tae-Kyoung Kang
-
Patent number: 7750567Abstract: The present invention presents top/bottom widths of the first and second barrier rib of the plasma display device. The first barrier rib fulfills a condition of 0<the bottom width?the top width<80 ?m or/and the second barrier rib fulfills a condition of 0<the bottom width?the top width<50 ?m. Furthermore, at least one of a first condition of 0.63<a value where the first length of a region of the rear substrate other than a region in which the barrier ribs are formed in a discharge space within the discharge cell and a region in which the scan electrode is overlapped is divided by the first pitch of the discharge cell<1, a second condition of 0.24<a value where the second length of the region is divided by the second pitch of the discharge cell<1, and a third condition of 0.15<a value where an area of the region is divided by an area of the discharge cell<1 is fulfilled.Type: GrantFiled: December 11, 2006Date of Patent: July 6, 2010Assignee: LG Electronics Inc.Inventor: Sung Yong Ahn
-
Patent number: 7741778Abstract: The present invention aims to ensure luminosity while improving evacuation characteristics in a plasma display panel. First ribs (112) that separate a plurality of cells from each other and second ribs (113) are formed in stripe patterns so as to intersect with each other on a surface of a first substrate (107), a surface of a second substrate opposes tops of the first ribs, and a height of the ribs at intersections (112b) of the first and second ribs intersect is lower than other parts of the first ribs (112a).Type: GrantFiled: November 30, 2006Date of Patent: June 22, 2010Assignee: Panasonic CorporationInventors: Yuusuke Takada, Nobuaki Nagao, Toru Ando, Masaki Nishimura, Ryuichi Murai, Hidetaka Higashino
-
Patent number: 7733305Abstract: There are provided a plasma display device in which dark contrast can be enhanced without deteriorating an image quality and a method of driving a plasma display panel. In a case of driving a plasma display device in which a magnesium oxide layer containing a magnesium oxide crystal to be excited by the irradiation of an electron beam and performing a cathode luminescence having a peak in a wavelength range of 200 to 300 nm by a sub-field method, in order to initialize all display cells, reset discharge is caused in each of the display cells in M sub-fields of N consecutive sub-fields (0<M<N).Type: GrantFiled: May 17, 2005Date of Patent: June 8, 2010Assignee: Panasonic CorporationInventors: Masaru Nishimura, Tsutomu Tokunaga, Kazuaki Sakata, Atsushi Hirota, Hai Lin
-
Patent number: 7728524Abstract: A plasma display panel (PDP) in which high luminance images can be formed at low voltage. The PDP includes first and second substrates which with a predetermined space therebetween; a plurality of barrier ribs disposed between the first and second substrates, including longitudinal barrier ribs and transverse barrier ribs having a height 10˜50% lower than the longitudinal barrier ribs in a direction towards the first substrate and connecting the longitudinal barrier ribs, the plurality of barrier ribs defining a plurality of discharge cells together with the first and second substrates; a plurality of pairs of sustain electrodes crossing the longitudinal barrier ribs; and a plurality of address electrodes to cross the pairs of sustain electrodes; and a fluorescent layer formed in each of the discharge cells.Type: GrantFiled: March 30, 2007Date of Patent: June 1, 2010Assignee: Samsung SDI Co., Ltd.Inventor: Tae-Kyoung Kang
-
Patent number: 7728523Abstract: A plasma display panel in which a front panel (1) including at least display electrodes (6) and a dielectric layer (7), and a rear panel (2) are faced to each other, to form a discharge space (14) therebetween, and a discharge gas is filled into the discharge space (14). A protective layer (8) made of magnesium oxide containing at least one element of silicon and aluminum added thereto is provided over the dielectric layer (7). The discharge gas contains at least xenon and hydrogen. The concentration of one of the silicon and the aluminum in the protective layer (8) ranges from 30 to 50,000 ppm inclusive. The concentration of the hydrogen is up to 10,000 ppm.Type: GrantFiled: May 17, 2006Date of Patent: June 1, 2010Assignee: Panasonic CorporationInventor: Masaki Nishimura
-
Publication number: 20100127623Abstract: A plasma display panel includes a first and a second plate facing each other via a discharge space. On the first plate, a first and a second bus electrode are provided which extend in a first direction and are disposed at intervals. On the second plate, a plurality of first barrier ribs are provided which extend in a second direction perpendicular to the first direction and are disposed at intervals. On the first plate, a plurality of address electrodes are provided which are disposed at respective positions facing the first barrier ribs. In a cell, a first and a second display electrode are provided which are coupled to the first and the second bus electrode respectively, and facing each other along the second direction. The first and the second display electrode are disposed on both sides of one of the address electrodes adjacently, respectively, along the first direction.Type: ApplicationFiled: March 28, 2007Publication date: May 27, 2010Applicant: HITACHI, LTD.Inventor: Takashi Sasaki
-
Patent number: 7723919Abstract: The present invention provides a front panel for a plasma display panel which can suppress the incidence of chipping of the barrier rib of a rear panel for a PDP, can enhance the stability of initial electron emission in a dielectric layer, and can reduce a voltage required for maintaining a wall charge. The front panel for a plasma display panel includes a substrate, a plurality of electrodes formed on the substrate, a dielectric layer formed to cover the respective electrodes and the substrate, a dielectric-protection layer formed to cover the dielectric layer, and powder components dispersed on the dielectric-protection layer, wherein an annealed layer having a thickness of 10 to 300 nm is formed on at least the exposed surface of each of the powder components, wherein said exposed surface does not contact the dielectric-protection layer.Type: GrantFiled: May 22, 2008Date of Patent: May 25, 2010Assignee: Panasonic CorporationInventors: Mitsuo Saitoh, Masashi Morita, Satoshi Maeshima, Hideki Yamashita, Tsutomu Fujii, Nobuyuki Kamikihara
-
Patent number: 7714510Abstract: A plasma display apparatus is provided that includes a front substrate, a plurality of first and second electrodes formed on the front substrate, a rear substrate that is faced with the front substrate, a plurality of third electrodes formed on the rear substrate, and a discharge cell that is disposed where the first, and second electrodes intersect with the third electrode, wherein at least one of the plurality of the first and second electrodes is formed with one layer, wherein a thickness of at least one of the plurality of the first and second electrodes ranges from 3 ?m to 7 ?m. By removing the transparent electrode consisting of ITO, the manufacturing cost of the plasma display panel may be reduced.Type: GrantFiled: February 9, 2007Date of Patent: May 11, 2010Assignee: LG Electronics Inc.Inventors: Seong Nam Ryu, Woo Gon Jeon, Sang Min Hong, Woo Tae Kim, Kyung A Kang, Jeong Hyun Hahm, Jae Sung Kim
-
Publication number: 20100109527Abstract: A PDP includes a first substrate and a second substrate facing each other, a plurality of first discharge electrodes on the first substrate, a first dielectric layer covering the first discharge electrodes, a plurality of second discharge electrodes on the second substrate and intersecting the first discharge electrodes, a second dielectric layer covering the second discharge electrodes, and a sealing material between the first substrate and the second substrate, wherein an absolute value of thermal expansion coefficient difference between the second dielectric layer and the sealing material is less than or equal to 13×10?7/° C.Type: ApplicationFiled: October 23, 2009Publication date: May 6, 2010Inventors: Tae-Joung Kweon, Sung-Hune Yoo
-
Patent number: 7710037Abstract: A plasma display panel that can improve a driving efficiency by advancing a structure of at least one of a first electrode and a second electrode in a dummy area or a pad area is provided. The plasma display panel includes a front substrate in which a first electrode and a second electrode in parallel to each other are disposed, a rear substrate in which a third electrode intersecting the first electrode and the second electrode is disposed, and a barrier rib disposed between the front substrate and the rear substrate and for partitioning a discharge cell. At least one of the first electrode and the second electrode includes a plurality of line portions intersecting the third electrode in an active area, and two or more line portions of at least one of the first electrode and the second electrode are combined into one in a dummy area at the outer side of the active area.Type: GrantFiled: December 6, 2007Date of Patent: May 4, 2010Assignee: LG Electronics Inc.Inventor: Joonwoon Bae
-
Patent number: 7710033Abstract: Display panel comprising two plates leaving between them a sealed space that is filled with a discharge gas and is partitioned into discharge cells bounded between these plates by barrier ribs made of a mineral material comprising a mineral binder based on a hydraulic binder, and a mineral filler. By using a hydraulic binder instead of a glassy mineral binder, the display panels may be manufactured at lower temperature.Type: GrantFiled: May 24, 2004Date of Patent: May 4, 2010Inventors: Armand Bettinelli, Jean-Philippe Browaeys
-
Patent number: 7704115Abstract: A display apparatus includes a first substrate having an electron-emitting device, a second substrate having a light emitting member that emits light through irradiation with electrons emitted from the electron-emitting device and an electrode, and a plate-like supporting structure which is situated between the first substrate and the second substrate to support the two substrates and which has in its surface a plurality of grooves parallel to the first substrate or the second substrate. End portions of the grooves are spaced apart from an end portion of the supporting structure which does not face the first substrate or the second substrate by a distance longer than a thickness of the plate-like supporting structure.Type: GrantFiled: July 19, 2005Date of Patent: April 27, 2010Assignee: Canon Kabushiki KaishaInventor: Yuji Matsuo
-
Patent number: 7696692Abstract: Disclosed herein is a plasma display panel and a method of fabricating the same. The plasma display panel comprises a front glass substrate and a rear glass substrate. An electrode structure disposed between the front and rear glass substrates is prepared in such a way that a non-photosensitive black dielectric layer and a non-photosensitive or photosensitive electrode layer, formed on the front glass substrate, are subjected to heat treatment. The black dielectric layer is blackened at a lower surface by the heat treatment. Current flows between an upper electrode and a transparent electrode and it is possible to assure sufficiently low visibility even though costly metal particles are not used as conductive material on the front substrate of the plasma display panel. It is possible to use various types of black pigments thanks to non-photosensitivity, thus it is possible to fabricate a low-priced plasma display panel due to a reduced material cost.Type: GrantFiled: June 9, 2005Date of Patent: April 13, 2010Assignee: Cheil Industries, Inc.Inventors: Yeong Seok Kim, Kuninori Okamoto, Jae Joon Shim
-
Patent number: 7692385Abstract: A plasma display panel (PDP) that has improved discharge efficiency and luminance includes: a first substrate and a second substrate which are provided to oppose each other; barrier ribs which are provided between the first and second substrates and by which a plurality of discharge cells are partitioned; a phosphor layer formed in each of the discharge cells; address electrodes formed either on the first substrate or on the second substrate; and display electrodes formed on the first substrate to extend in a direction intersecting with the address electrodes. The display electrodes include: at least a pair of first display electrodes which are provided close to both peripheral portions of each discharge cell; and a second display electrode provided between the first display electrodes to cross the discharge cell, the second display electrode facing the first display electrodes on both sides to form at least two discharge gaps within each discharge cell.Type: GrantFiled: June 17, 2005Date of Patent: April 6, 2010Assignee: Samsung SDI Co., Ltd.Inventor: Bong-Kyoung Park
-
Patent number: 7692387Abstract: Provided is a plasma display panel that can increase bright room contrast and luminous efficiency.Type: GrantFiled: March 23, 2007Date of Patent: April 6, 2010Assignee: Samsung SDI Co. Ltd.Inventor: Jung-Tae Park
-
Patent number: 7683545Abstract: 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: GrantFiled: November 29, 2004Date of Patent: March 23, 2010Assignee: Samsung SDI Co., Ltd.Inventors: Jae-Ik Kwon, Hye-Kyong Kwon, Tae-Kyoung Kang, Eun-Gi Heo
-
Patent number: 7675235Abstract: A plasma display panel is provided. The plasma display panel includes a front panel including a front glass substrate, a plurality of pairs of discharge-maintaining electrodes disposed over the front glass substrate, and a first dielectric layer disposed in covering relation to the pairs of discharge-maintaining electrodes, and a rear panel disposed in confronting relation to the front panel with discharge spaces interposed therebetween, the front panel including a second dielectric layer disposed between the front glass substrate and the pairs of discharge-maintaining electrodes, the second dielectric layer including a cluster of fine particles of silica.Type: GrantFiled: April 6, 2007Date of Patent: March 9, 2010Assignee: Sony CorporationInventors: Sumito Shiina, Yuichi Ishida, Tadahiro Kono, Hidehiro Kawaguchi
-
Patent number: 7675234Abstract: A plasma display panel and a manufacturing method of barrier ribs thereof are provided. The plasma display panel is divided into a display area and a non-display area located in the periphery of the display area. When discharge space is formed in the display area by barrier ribs, a plurality of honeycomb supporting structures are formed in the non-display area at the same time. The honeycomb supporting structures can increase the yield factor of assembling the substrates, and then the display quality of the plasma display panels can be improved.Type: GrantFiled: August 31, 2005Date of Patent: March 9, 2010Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Chung-Lin Fu, Yu-Ting Chien, Chun-Chien Chiu
-
Patent number: 7675484Abstract: A method for driving an AC type surface-discharge display device which has cells arranged in a matrix. Each of the cells has at least three electrodes including a pair of main electrodes on every line of the matrix and an address electrode on every column of the matrix. The method includes providing an address preparation period applying a charge producing pulse and applying a charge adjusting pulse. The charge adjusting pulse has a waveform monotonously falling from a reference potential and a negative polarity and is applied to the second main electrode used as a scan electrode and generates feeble electric discharges between the first and second main electrodes. The feeble electric discharges are accompanied by a decrease of the wall voltage formed by the charge producing pulse.Type: GrantFiled: July 25, 2007Date of Patent: March 9, 2010Assignee: Hitachi Plasma Patent Licensing Co., Ltd.Inventors: Yasunobu Hashimoto, Yasushi Yoneda, Kenji Awamoto, Seiichi Iwasa
-
Patent number: 7667405Abstract: A PDP includes first and second substrates, a plurality of electrodes between the first and second substrates, a plurality of barrier ribs between the first and second substrates to define discharge cells, at least one dielectric layer on the electrodes, at least one photoluminescent layer in each discharge cell, a discharge gas in the discharge cells, and a protective layer on the dielectric layer, the protective layer including magnesium oxide and a light-scattering material having a general formula MOx, where M includes one or more of zinc and/or titanium and 1?x?2, the light-scattering material having a particle size of about 100 nm to about 900 nm and being present in the protective layer in an amount of about 1% to about 20% by weight of a total weight of the dielectric layer.Type: GrantFiled: March 14, 2008Date of Patent: February 23, 2010Assignee: Samsung SDI Co., Ltd.Inventors: Young-Gil Yoo, Gun-Young Hong, Kyu-Hang Lee, Jin-Won Kim
-
Patent number: 7663317Abstract: A plasma display panel includes first and second substrates having a predetermined gap therebetween. Barriers are disposed between the first and second substrates to partition discharge cells and fluorescent layers are formed in the discharge cells. Address electrodes corresponding to the discharge cells extend in a first direction, and pairs of first and second electrodes extend in a second direction to cross the first direction. The address electrodes are on one of the substrates to correspond to the discharge cells. A dielectric layer covers the first and second electrodes, wherein the dielectric layer is colored with a first color, the barriers are colored with a second color having a subtractive mixture relation with the first color, and wherein the fluorescent layers include first fluorescent layers on the barriers and the discharge cells, and second fluorescent layers on the first fluorescent layers in the second color.Type: GrantFiled: March 9, 2007Date of Patent: February 16, 2010Assignee: Samsung SDI Co., Ltd.Inventor: Ji-Sung Ko
-
Patent number: 7656091Abstract: A plasma display panel (PDP) includes a front substrate having sustain discharge electrodes composed of X electrodes and Y electrodes. A rear substrate is arranged parallel with the front substrate, the rear substrate having address electrodes crossing the sustain discharge electrodes. An upper dielectric layer buries the sustain discharge electrodes. A lower dielectric layer buries the address electrodes. A barrier rib is located between the first substrate and the second substrate. The barrier rib has discharge spaces between the front substrate and the rear substrate and has a circumferential region formed at a lower height than a height of its central region. A frit is arranged spaced along a circumference of the barrier rib to attach the rear substrate to the front substrate.Type: GrantFiled: August 13, 2007Date of Patent: February 2, 2010Assignee: Samsung SDI Co., Ltd.Inventor: Dong Hyun Kim
-
Patent number: 7656090Abstract: Provided is a plasma display panel including a rear substrate, a front substrate separated from the rear substrate, a plurality of barrier ribs arranged between the front substrate and the rear substrate and adapted to define a plurality of discharge cells corresponding to a plurality of sub-pixels, a plurality of sustain electrode pairs comprising a plurality of first discharge electrodes and a plurality of second discharge electrodes extending parallel to each other and surrounding ones of the plurality of discharge cells, the plurality of sustain electrode pairs being adapted to generate a discharge, a plurality of address electrodes extending and surrounding the plurality of discharge cells and arranged in a direction that crosses the plurality of sustain electrode pairs, a plurality of phosphor layers arranged within the plurality of discharge cells and a discharge gas arranged within the plurality of discharge cells, wherein a predetermined number of sub-pixels form a unit pixel, and unit pixels adjacenType: GrantFiled: April 12, 2006Date of Patent: February 2, 2010Assignee: Samsung SDI Co., Ltd.Inventor: Kyoung-Doo Kang
-
Patent number: 7652426Abstract: Provided is a plasma display panel that protects both substrates against distortion when assembled, and reduces a halation effect. The plasma display panel includes: a first substrate and a second substrate facing each other; address electrodes which are formed on the first substrate to extend in a first direction; barrier ribs which are disposed between the first and second substrates, and define discharge cells; phosphor layers which are formed within the discharge cells; first electrodes and second electrodes which are formed on the second substrate to extend in a second direction crossing the first direction; and a dielectric layer which covers the first electrode and the second electrode, wherein the dielectric layer includes grooves formed in correspondence with the barrier ribs, and at least portions of the barrier ribs are inserted into the grooves.Type: GrantFiled: November 3, 2006Date of Patent: January 26, 2010Assignee: Samsung SDI Co., Ltd.Inventor: Seong-Joon Jeong
-
Patent number: 7652428Abstract: 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: GrantFiled: September 24, 2007Date of Patent: January 26, 2010Assignee: Samsung SDI Co., Ltd.Inventors: Yong-Shik Hwang, Won-Ju Yi, Kyoung-Doo Kang, Jae-Ik Kwon
-
Publication number: 20100001641Abstract: A substrate structure for a plasma display panel (PDP), a method of manufacturing a PDP substrate structure of the PDP, and a PDP including the PDP substrate are provided. The PDP substrate structure includes a substrate, an electrode on the substrate and including a first layer and a second layer, the second layer including an aluminum (Al) material, the first layer being between the substrate and the second layer and including a conductive material, the first layer having lower specific resistance than that of the second layer; and a light absorbable layer on the substrate. The light absorbable layer is an oxidization product of the conductive material of the first layer.Type: ApplicationFiled: July 1, 2009Publication date: January 7, 2010Inventor: Chul-Hong Kim
-
Patent number: 7642718Abstract: A plasma display panel having a reduced number of address electrodes to decrease power consumption while maintaining the same resolution is disclosed. First and second address electrodes are assigned to a pixel comprising three sub-pixels which are near one another. The first address electrode is assigned to two of the three sub-pixels and the second address electrode is assigned to the remaining sub-pixel. As a result, address electrode capacitance is reduced, and accordingly, cross-talk, power consumption, instantaneous power, and heat generation decrease significantly while maintaining the same display resolution.Type: GrantFiled: June 13, 2006Date of Patent: January 5, 2010Assignee: Samsung SDI Co., Ltd.Inventors: Taewoo Kim, Sanghoon Yim
-
Publication number: 20090309496Abstract: A PDP and a manufacturing method for the PDP are provided, the PDP being capable of suppressing discharge delay due to improved discharge properties of a protective layer, and exhibiting superior image display performance despite having a high-definition cell structure. A magnesium oxide powder layer (16) is formed by distributing magnesium oxide particles (16a) flatly on a surface layer (8). Each of the magnesium oxide particles (16a) includes halogen atoms at and in a vicinity of the surface thereof. The magnesium oxide particles (16a) are manufactured such that the halogen atoms exist particularly at the surface of each of magnesium oxide particles (16a) through to a depth of 4 nm or less toward the core of each of the magnesium oxide particles (16a).Type: ApplicationFiled: March 12, 2008Publication date: December 17, 2009Inventors: Hiroshi Asano, Takahiro Hamada, Seigo Shiraishi
-
Patent number: 7629747Abstract: The invention provides a plasma display panel having improved luminous efficiency. The improved luminous efficiency may result in part from at least the configuration and/or arrangement of facing sustain and scan electrodes. In one embodiment, the electrodes may have concave portions that are selectively formed at locators where the electrodes intersect barrier ribs that separate adjacent discharge cells of different colors. This configuration may reduce the charge distribution around the portions where the concave are formed, and may also prevent erroneous discharge from being transferred to adjacent discharge cells. The principles of the invention may be used to produce or light density PDP that increases luminous efficiency and decreases a discharge firing voltage.Type: GrantFiled: October 11, 2005Date of Patent: December 8, 2009Assignee: Samsung SDI Co., Ltd.Inventors: Min Hur, Hyea-Weon Shin, Takahisa Mizuta
-
Patent number: 7629748Abstract: A plasma display apparatus including a panel displaying an image, a chassis base coupled to a rear surface of the panel, and a camber suppression member installed between the panel and the chassis base to prevent the panel from being cambered.Type: GrantFiled: January 18, 2005Date of Patent: December 8, 2009Assignee: Samsung SDI Co., Ltd.Inventor: Sok-San Kim
-
Patent number: 7626335Abstract: The plasma display apparatus includes a first electrode and a second electrode formed on an upper substrate, and a barrier rib. The second electrode is arranged in parallel with the first electrode. The barrier rib is formed on a lower substrate opposite to the upper substrate to divide a discharge space. The first electrode and the second electrode are respectively protruded toward the discharge space to have a predetermined thickness. A discharge occurs between the first electrode and the second electrodes opposite to the first electrode. Since the margin of static characteristics increases, the voltage range in which stable driving is possible increase and the amount of the consumption of the discharge current decreases, to thereby reducing power consumption, and enhancing the luminous efficiency and the efficiency of the plasma discharge.Type: GrantFiled: March 8, 2006Date of Patent: December 1, 2009Assignee: LG Electronics Inc.Inventors: Chung Hoo Park, Jung Woo Ok, Ho Jun Lee
-
Patent number: 7626336Abstract: An MgO layer (8) including an MgO crystal causing a cathode-luminescence emission having a peak within a range from 230 nm to 250 nm upon being excited by electron beams is provided in a position facing a discharge cell (C) formed in the discharge space between the front glass substrate (1) and the back glass substrate (4).Type: GrantFiled: September 17, 2004Date of Patent: December 1, 2009Assignee: Panasonic CorporationInventors: Lin Hai, Taro Naoi, Atsushi Hirota, Takeshi Sasaki
-
Patent number: 7622866Abstract: There is disclosed a plasma display panel (PDP) device having one or more substrates and a multiplicity of pixels or sub-pixels. Each pixel or sub-pixel is defined by a hollow Plasma-dome™ filled with an ionizable gas. The Plasma-dome has a flat side and an opposing domed side such as a flat bottom and a domed top or a flat rear and domed front. One or more other sides or edges may also be flat. Two or more addressing electrodes are in electrical contact with each Plasma-dome. A flat base side or domed side of the Plasma-dome shell is in contact with a substrate. The PDP may also include inorganic and organic luminescent materials that are excited by the gas discharge within each Plasma-dome. The luminescent material may be located on an exterior and/or interior surface of the Plasma-dome or incorporated into the shell of the Plasma-dome. Up-conversion and down-conversion materials may be used. The substrate may be rigid or flexible with a flat, curved, or irregular surface.Type: GrantFiled: February 2, 2006Date of Patent: November 24, 2009Assignee: Imaging Systems TechnologyInventors: Carol Ann Wedding, Oliver M. Strbik, III, Daniel K. Wedding
-
Patent number: 7619360Abstract: A front substrate for a plasma display panel (PDP) and an associated fabrication method are provided. An upper dielectric layer of the front substrate includes a colorant, which causes the dielectric layer to also act as a color filter. The resulting front substrate enhances at least one of color temperature, color purity, and/or contrast without increasing complexity or cost.Type: GrantFiled: November 2, 2005Date of Patent: November 17, 2009Assignee: LG Electronics Inc.Inventor: Sung-Wook Lee
-
Patent number: 7615927Abstract: A plasma display panel includes a first substrate and a second substrate provided opposing one another with a predetermined gap therebetween. A plurality of barrier ribs are mounted in the gap between the first and second substrates to define a plurality of discharge cells. A plurality of phosphor layers are respectively formed in the discharge cells. A plurality of display electrodes are formed on the first substrate along a first direction, and a plurality of address electrodes are formed on the first substrate along a second direction which intersects the first direction and separated from the display electrodes.Type: GrantFiled: April 27, 2005Date of Patent: November 10, 2009Assignee: Samsung SDI Co., Ltd.Inventor: Takahisa Mizuta
-
Patent number: 7615928Abstract: A plasma-discharge light emitting device is provided. The plasma-discharge light emitting device may include: rear and front panels separated from each other in a predetermined interval, wherein at least one discharge cell may be provided between the rear and front panels, and wherein plasma discharge may be generated in the discharge cells; a pair of discharge electrodes provided on at least one of the rear and front panels for each of the discharge cells; a trench provided as a portion of each of the discharge cells between the pair of the discharge electrodes; and electron-emitting material layers provided on both sidewalls of the trench.Type: GrantFiled: July 13, 2005Date of Patent: November 10, 2009Assignee: Samsung Electronics Co., Ltd.Inventors: Young-dong Lee, Hidekazu Hatanaka, Seung-hyun Son, Jai-kwang Shin, Young-mo Kim
-
Patent number: 7615810Abstract: An electro-optical device includes first and second substrates that are bonded to each other, the first substrate having an extended portion extended from the second substrate on a first side thereof in plan view, a plurality of pixel units that are disposed in a pixel region on the first substrate and individually have pixel electrodes, a data line driving circuit that is disposed along the first side in a peripheral region around the pixel region so as to supply an image signal to the pixel units, a plurality of external circuit connecting terminals that are arranged along the first side in a region of the peripheral region on the extended portion, an image signal line that is relayed around the data line driving circuit from the plurality of external circuit connecting terminals and has a first wiring line portion wired in a direction along the first side between the data line driving circuit and the pixel region, and a sealant that bonds the first and second substrates to each other in a sealing region arType: GrantFiled: February 7, 2006Date of Patent: November 10, 2009Assignee: Seiko Epson CorporationInventor: Masao Murade
-
Patent number: 7612502Abstract: A planar light source including a first substrate, a second substrate, a sealant, first electrodes, sets of first dielectric patterns, a phosphor layer, and a discharge gas is provided. The second substrate is disposed above the first substrate. The sealant is disposed between the first and second substrates to form a cavity among the first substrate, the second substrate, and the sealant. The first electrodes are disposed on the first substrate, and each set of the first dielectric patterns has at least two first striped dielectric patterns. Each of the first striped dielectric patterns covers one of the first electrodes correspondingly. The edges of the top of each first striped dielectric pattern are raised in a peak shape. The phosphor layer is disposed on the first substrate and between the first striped dielectric patterns of each set of the first dielectric patterns. The discharge gas is injected into the cavity.Type: GrantFiled: June 1, 2006Date of Patent: November 3, 2009Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Yu-Heng Hsieh, Chu-Chi Ting, Shinn-Haw Huang, Chang-Jung Yang, Chia-Hua Ai
-
Patent number: 7612501Abstract: A plasma display apparatus comprising a connector is provided. The plasma display apparatus comprises a plasma display panel comprising an electrode of a predetermined width and a connector comprising an electrode line of a width narrower than the predetermined width of the electrode to supply a driving signal to the electrode. A distance between the electrode line and an adjacent electrode line is longer than a distance between the electrode and an adjacent electrode.Type: GrantFiled: February 10, 2006Date of Patent: November 3, 2009Assignee: LG Electronics Inc.Inventor: Sung-Tae Kim
-
Patent number: 7605537Abstract: A plasma display panel includes first and second substrates opposing one another. Address electrodes are formed on the second substrate. Barrier ribs are mounted between the first and second substrates defining discharge cells and 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 passing through centers of the discharge cells. Further, the discharge cells are formed such that ends thereof increasingly decrease in width as a distance from centers of the discharge cells is increased. The discharge sustain electrodes include bus electrodes that extend perpendicular to the address electrodes and outside areas of the discharge cells but across areas of the non-discharge regions, and protrusion electrodes formed extending from each of the bus electrodes.Type: GrantFiled: June 18, 2004Date of Patent: October 20, 2009Assignee: Samsung SDI Co., Ltd.Inventors: Woo-Tae Kim, Kyoung-Doo Kang, Hun-Suk Yoo, Seok-Gyun Woo, Jae-Ik Kwon
-
Patent number: 7604524Abstract: A plasma display panel includes a first substrate and second substrate opposing each other, address electrodes arranged on the first substrate along a first direction, barrier ribs arranged between the first substrate and the second substrate to define a plurality of discharge cells, and display electrodes arranged on the second substrate along the second direction intersecting the first direction. The barrier ribs include dummy barrier ribs arranged in a non-display region provided in the first substrate and the second substrate, the dummy barrier ribs satisfying the following formula: 2.4?(h/l)×100?6.0 where l is a length of a dummy barrier rib measured in the first direction, and h is a height of a barrier rib measured in a thickness direction of the panel.Type: GrantFiled: September 2, 2005Date of Patent: October 20, 2009Assignee: Samsung SDI Co., Ltd.Inventors: Bo-Yong Jung, Tae-Kyoung Kang
-
Patent number: 7605540Abstract: A plasma display panel has plurality discharge cells disposed between a pair of opposing first and second substrates. Each of the discharge cells includes at least: at least one pair of electrodes for generating a discharge for display; a discharge gas; and a phosphor film for emitting visible light by being excited by ultraviolet light produced by the discharge of the discharge gas. Laminated members are dispersed in a plane within each of the discharge cells inside the first substrate from which visible light for display is emitted. Each of the laminated members includes a light absorption layer disposed on a side of the first substrate on which ambient light is incident and a light reflection layer disposed on a phosphor-film side of each of the laminated members.Type: GrantFiled: February 23, 2005Date of Patent: October 20, 2009Assignee: Hitachi, Ltd.Inventors: Choichiro Okazaki, Masatoshi Shiiki, Keizo Suzuki, Kenichi Yamamoto
-
Patent number: 7602125Abstract: A plasma display panel comprises: first and second substrates facing each other; a plurality of barrier ribs partitioning a discharge space between the first and second substrates so as to define a plurality of discharge cells; address electrodes extending in parallel with each other and in a predetermined direction; first and second electrodes disposed on the second substrate in a direction intersecting the direction of the address electrodes, the first and second electrodes being separated from the address electrodes, the first and second electrodes being provided in correspondence with each of the discharge cells; and phosphor layers coated on the discharge cells. The first and second electrodes protrude in a direction from the second substrate to the first substrate, and face each other so as to provide a space therebetween.Type: GrantFiled: May 27, 2005Date of Patent: October 13, 2009Assignee: Samsung SDI Co., Ltd.Inventors: Min Hur, Young-Do Choi, Takahisa Mizuta, Jun-Yong Park, Su-Bin Song
-
Patent number: 7598674Abstract: A plastic chassis for a display device, the plastic chassis having an integrally formed chassis base and support frame. A support body joins the chassis base and the support frame.Type: GrantFiled: May 31, 2006Date of Patent: October 6, 2009Assignee: Samsung SDI Co., Ltd.Inventor: Kwang Jin Jeong
-
Publication number: 20090231309Abstract: In a long-gap discharge using a trigger discharge in a display cell of a PDP having three electrodes (X, Y, A), a technology capable of stably generating the trigger discharge with low power consumption by using a float electrode is provided. In a dielectric layer of the PDP, a long gap is formed between first and second display electrodes, first and second float electrodes which are capacitive-coupled to the first and second display electrodes are formed, and a short gap is formed between the first and second float electrodes. A sustain pulse is applied to the first and second display electrodes, thereby generating a small trigger discharge in the short gap. Subsequently to this discharge, a main discharge at the long gap is generated. Electrodes and capacitances are structured so that the main discharge has an intensity equal to or smaller than one-fifth of an intensity of the trigger discharge.Type: ApplicationFiled: December 2, 2005Publication date: September 17, 2009Inventors: Akira Otsuka, Takashi Sasaki, Akihiro Takagi
-
Publication number: 20090224672Abstract: Disclosed is a dense silicon oxide film having a high insulation resistance, which is a glass film having a certain level of thickness. Specifically, disclosed are a silicon oxide film, and a glass film comprising the silicon oxide film and silica particles incorporated in the silicon oxide film. The glass film can be produced by a process comprising the steps of: applying a paste comprising silica particles, an organic silicon compound which is in a liquid form at room temperature and water onto a substrate; and oxidizing the organic silicon compound in the paste.Type: ApplicationFiled: August 3, 2006Publication date: September 10, 2009Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.Inventors: Tomohiro Okumura, Mitsuo Saitoh, Hironobu Inoue, Motoi Hatanaka