Patents Examined by Hana A. Sanei
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Patent number: 7615915Abstract: A spark plug having a protrusion amount t of not smaller than 0.3 mm and satisfying a relation ?1+?2?93° in which ?1 is an included angle between virtual lines s1 and s2, and ?2 is an included angle between virtual lines s3 and s4 when the virtual line s1 is taken as a line parallel to a direction of an axis and including the other end side edge on a leading end surface of a first precious metal tip, the virtual line s2 is taken as a line connecting the other end side edge and a point of intersection between an inner circumferential surface of a ground electrode body and the other end surface of the ground electrode body, the virtual line s3 is taken as a line parallel to the direction of the axis and including the other end side edge on a leading end surface of a center electrode, and the virtual line s4 is taken as a line including the other end side edge and tangent to an insulator.Type: GrantFiled: April 20, 2007Date of Patent: November 10, 2009Assignee: NGK Spark Plug Co., Ltd.Inventors: Hirohito Ito, Takahiro Matsuura
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Patent number: 7615926Abstract: Microcavity plasma devices and arrays of microcavity plasma devices are provided that have a reduced excitation voltage. A trigger electrode disposed proximate to a microcavity reduce the excitation voltage required between first and second electrodes to ignite a plasma in the microcavity when gas(es) or vapor(s) (or combinations thereof) are contained within the microcavity. The invention also provides symmetrical microplasma devices and arrays of microcavity plasma devices for which current waveforms are the same for each half-cycle of the voltage driving waveform. Additionally, the invention also provides devices that have standoff portions and voids that can reduce cross talk. The devices are preferably also used with a trigger electrode.Type: GrantFiled: June 12, 2007Date of Patent: November 10, 2009Assignee: The Board of Trustees of the University of IllinoisInventors: J. Gary Eden, Sung-Jin Park, Paul A. Tchertchian, Seung Hoon Sung
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Patent number: 7612496Abstract: An organic light-emitting diode (OLED) device, comprising: a first electrode and a second electrode having one or more organic layers formed there-between, at least one organic layer being light-emitting, the first and second electrodes defining one or more light-emissive areas, at least one of the electrodes being transparent; a transparent insulator layer formed adjacent to the transparent electrode opposite the one or more organic layer(s); and one or more reflective, electrically-conductive bus formed in a layer adjacent to the transparent insulator layer opposite the transparent electrode, wherein the reflective, electrically-conductive bus comprises a reflective surface directed towards the light-emitting layer and covers only a portion of the light-emissive areas.Type: GrantFiled: December 19, 2005Date of Patent: November 3, 2009Assignee: Eastman Kodak CompanyInventor: Ronald S. Cok
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Patent number: 7602114Abstract: A cathode plate including a substrate, a cathode structure, a gate structure and emission sources is provided. The cathode structure and the gate structure are disposed on the substrate. The emission sources are arranged regularly on the cathode structure. A field emission flat lamp including said cathode plate, an anode plate and a sealant is provided. The sealant is disposed between and seals the cathode plate and the anode plate. Since the volume of each emission source is small, the bubbles resided inside the emission sources can be reduced, such that the qualities of the field emission flat lamp and the cathode plate thereof can be improved.Type: GrantFiled: June 8, 2006Date of Patent: October 13, 2009Assignee: Industrial Technology Research InstituteInventors: Chuan-Hsu Fu, Biing-Nan Lin, Wei-Yi Lin, Ming-Hung Lin
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Patent number: 7597603Abstract: A method of encapsulating a display device between substrates with a glass frit. The method includes depositing a frit having an optical absorption ? which is a function of wavelength onto a first substrate wherein the deposited frit has a height h, placing a second substrate in contact with the frit, sealing together the substrates by traversing a laser light having a wavelength ? over the frit at a speed greater than about 5 mm/s, and wherein ?·h at ? is between 0.4 and about 1.75.Type: GrantFiled: November 7, 2006Date of Patent: October 6, 2009Assignee: Corning IncorporatedInventors: Keith James Becken, Stephan Lvovich Logunov
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Patent number: 7595592Abstract: A discharge lamp can be configured to include a glass tube bulb; a pair of discharge electrodes arranged within the glass tube bulb; and metal foils enclosed within sealing portions at both axial ends of the glass tube bulb so as to connect the discharge electrodes and externally extending lead wires. The metal foils can be provided with cuts and/or holes of various shapes and sizes acting as a stress alleviating portion for alleviating stress due to temperature variations.Type: GrantFiled: November 5, 2004Date of Patent: September 29, 2009Assignee: Stanley Electric Co., Ltd.Inventors: Masaaki Muto, Masatoshi Hirohashi, Toshiyuki Nagahara
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Patent number: 7595584Abstract: An electron emission device includes a substrate; cathode electrodes formed on the substrate; electron emission regions electrically connected to the cathode electrodes; and gate electrodes positioned with the cathode electrodes with an insulating layer interposed between the cathode electrodes and the gate electrodes, the gate electrodes crossing the first electrodes to form a plurality of crossed regions. Here, at least two rows of the electron emission regions are placed at respective crossed regions along a longitudinal direction of the cathode electrodes, and the electron emission regions at the respective rows are deviated from each other in a longitudinal direction of the gate electrodes. In addition, the insulating layer and the gate electrodes have opening portions corresponding to the respective electron emission regions to expose the electron emission regions.Type: GrantFiled: October 23, 2006Date of Patent: September 29, 2009Assignee: Samsung SDI Co., Ltd.Inventor: Seong-Yeon Hwang
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Patent number: 7594839Abstract: A top-emitting organic light-emitting diode (OLED) device, comprising: a substrate; an OLED comprising a reflective electrode formed on the substrate; one-or-more layers of organic light-emitting material formed over the reflective electrode; and a transparent electrode formed over the one-or-more layers of organic light-emitting material; a light-scattering layer having a rough surface formed over and in contact with the OLED, a cover affixed to the substrate forming a gap between the cover and the light scattering layer; and wherein the gap is a vacuum or the gap is filled with a relatively low-refractive index gas and the light-scattering layer comprises a plurality of relatively high-refractive index light-scattering transparent particles projecting into the gap without contacting the cover and further comprising an adhesive binder in contact with at least some of the light-scattering particles to adhere the light-scattering particles to the OLED.Type: GrantFiled: February 24, 2006Date of Patent: September 29, 2009Assignee: Eastman Kodak CompanyInventors: Ronald S. Cok, Jin-Shan Wang, Raymond A. Kesel, Donald R. Preuss, Yuan-Sheng Tyan
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Patent number: 7589462Abstract: An organic EL display device that is adaptive for improving luminous brightness and reducing power consumption, and a fabricating method thereof are disclosed. An organic EL display device according to the present invention includes a plurality of anode electrodes; and a conductive light shielding film which has conductivity and is formed on the anode electrode in a separate pattern so that the anode electrodes are insulated from one another.Type: GrantFiled: June 13, 2005Date of Patent: September 15, 2009Assignee: LG Display Co., Ltd.Inventors: Kwang Young Kim, Hak Su Kim, Kwang Heum Baik
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Patent number: 7569985Abstract: An electron emission display includes first and second substrates facing each other, a plurality of driving electrodes formed on the first substrate, a plurality of electron emission regions controlled by the driving electrodes, a focusing electrode disposed on and insulated from the driving electrodes and provided with openings through which electron beams pass, a plurality of phosphor layers formed on a surface of the second substrate, an anode electrode formed on surfaces of the phosphor layers, and a plurality of spacers for maintaining a gap between the first and second substrates. Among the electron emission regions disposed in the opening adjacent to the spacer, one electron emission region, which is closest to the adjacent spacer, is spaced apart from an inner wall of the opening by a first distance that is different from a second distance from another electron emission region, which is farthest from the adjacent spacer, to the inner wall of the opening.Type: GrantFiled: October 27, 2006Date of Patent: August 4, 2009Assignee: Samsung SDI Co., Ltd.Inventors: Seung-Joon Yoo, Cheol-Hyeon Chang, Su-Kyung Lee, Won-Il Lee
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Patent number: 7567032Abstract: A plasma display panel includes a first and second substrates disposed facing each other, an address electrode formed on the first substrate and extending in a first direction, a first dielectric layer covering the address electrode, a second dielectric layer on the first dielectric layer, a first electrode and a second electrode alternately disposed on the second dielectric layer and extending in a second direction, a third dielectric layer covering the first electrode and the second electrode, a discharge space, the discharge space having a bottom defined by the first dielectric layer at a bottom of the discharge space and sidewalls defined by the second and third dielectric layers, and a phosphor layer in the discharge space.Type: GrantFiled: December 29, 2005Date of Patent: July 28, 2009Assignee: Samsung SDI Co., Ltd.Inventors: Hoon-Young Choi, Takahisa Mizuta, Jae-Rok Kim
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Patent number: 7566253Abstract: There is provided a light emitting device and electric equipment, which are bright and have low consumption power and are low in costs. When an organic EL material is made present in a metal oxide porous body including a heavy atom, phosphorescence light emitting of the organic EL material in which only fluorescence is generally observed can be promoted. Thus, an organic EL element in which phosphorescence light emitting is produced is obtained. With respect to this element, since phosphorescence can be used, light emitting efficiency is high. Also, since a conventional organic EL material can be used, it can be manufactured with a low cost. A light emitting device and electric equipment are manufactured using this organic EL element.Type: GrantFiled: November 8, 2005Date of Patent: July 28, 2009Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventor: Satoshi Seo
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Patent number: 7557502Abstract: An organic electroluminescent device (1) comprising an EL element (2) supported on a transparent substrate (6). A cover plate (7) of a ceramic or glass-ceramic material is provided which plate is sealed by metallic sealing means (10), to the transparent substrate, whereby a gas-tight enclosure is formed for the EL element. The cover plate supports a driver IC (15). The cover plate is provided with internal conductors (12a, 12b, 12c) which connect first contact pads (13a, 13b, 13c) connected to the EL element (2) and to second contact pads (14a, 14b, 14c) connected to the driver IC (15), at least one first contact pad and the second contact pad to which it is connected being non-aligned.Type: GrantFiled: October 14, 2002Date of Patent: July 7, 2009Assignee: TPO Displays Corp.Inventor: Tilman Ulrich Schlenker
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Patent number: 7550907Abstract: A field emission element (100) includes an elongated solid body (110), a carbon nanotube yarn (112) and an electrically conductive adhesive agent (114). The carbon nanotube yarn wraps round the elongated solid body. The electrically conductive adhesive agent is applied between the elongated solid body and the carbon nanotube yarn, and the electrically conductive adhesive agent is configured for fixing the carbon nanotube yarn to the elongated solid body. The substantially all of carbon nanotube yarn is entirely adhered on a peripheral surface of the elongated solid body.Type: GrantFiled: August 11, 2006Date of Patent: June 23, 2009Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.Inventors: Kai-Li Jiang, Peng Liu, Yang Wei, Xiao-Bo Zhang, Shou-Shan Fan
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Patent number: 7548016Abstract: A dielectric barrier discharge device for generating a plasma discharge is disclosed. The device includes a first electrode, a second electrode separated from the first electrode, and a dielectric material disposed between the two electrodes. Each electrode has a first end, a first surface, and a second surface. The first end of the first electrode is disposed proximate to the first end of the second electrode. The first end of the first electrode comprises a set of saw-tooth features disposed between the surfaces configured to stabilize location of streamers of the plasma discharge upon generation thereof.Type: GrantFiled: August 23, 2006Date of Patent: June 16, 2009Assignee: General Electric CompanyInventors: Abdelkrim Younsi, Seyed Gholamali Saddoughi, Grover Bennett
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Patent number: 7545095Abstract: The invention is directed to an electroluminescent display device in which a first planarization insulating film need not be used so that a manufacturing cost reduces, and a display defect caused by a cut in an organic EL layer or moisture absorption at a step portion is prevented. An R color filter layer, a G color filter layer, and a B color filter layer are so formed that end portions of the adjacent R, G, and B color filter layers overlap each other. The R color filter layer, the G color filter layer, and the B color filter layer serve as a first planarization insulating film. For planarization, the end portions of the color filter layers overlap each other. For reducing a step height of an overlapping portion, the end portions of the color filters are formed in a tapered shape.Type: GrantFiled: January 16, 2004Date of Patent: June 9, 2009Assignee: SANYO Electric Co., Ltd.Inventors: Ryuji Nishikawa, Kazuyuki Maeda
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Patent number: 7541741Abstract: A plasma display panel includes a first substrate, a second substrate separated from the first substrate by a predetermined distance, a plurality of discharge cells in which a discharge occurs, the discharge cells being between the first and second substrate, and a plurality of pairs of sustain electrodes disposed between the first substrate and the second substrate and generating a discharge, wherein each sustain electrode includes a plurality of electrode portions and connection portions electrically connecting the electrode portions, and line widths of the connection portions corresponding to the discharge cells having the highest brightness among the red, green, and blue discharge cells are smaller than line widths of the connection portions corresponding to other discharge cells.Type: GrantFiled: August 17, 2006Date of Patent: June 2, 2009Assignee: Samsung SDI Co., Ltd.Inventor: Jae-Young An
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Patent number: 7538491Abstract: A plasma display panel is provided which includes a transparent electrode pair spaced by a predetermined gap within a discharge cell. Each electrode in the pair includes a head part having a constant width and/or an expanding part having a width which enlarges as it approaches the center of the discharge cell.Type: GrantFiled: December 24, 2003Date of Patent: May 26, 2009Assignee: LG Electronics Inc.Inventors: Hun Gun Park, Jae Hong Lee, Seok Dong Kang, Tae Su Hwang
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Patent number: 7538488Abstract: A display includes: a display area adapted to form an image with display devices arranged on a substrate; a sealing portion adapted to seal at least the display area with a sealant arranged along an outer edge portion of the display area; and a driving power supply line adapted to supply a driving voltage to the display area. The driving power supply line includes at least one conductive layer, at least a portion thereof being arranged between the sealing portion and the substrate. Each conductive layer includes at least one penetration hole.Type: GrantFiled: February 4, 2005Date of Patent: May 26, 2009Assignee: Samsung Mobile Display Co., Ltd.Inventor: Won-Kyu Kwak
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Patent number: 7530874Abstract: A method for manufacturing a high pressure mercury lamp having a high pressure resistance strength includes an electric field application step of applying an electric field to at least a light emitting part while keeping the high pressure mercury lamp at a high temperature. As a result of the electric field application step, impurities such as hydrogen and an alkali metal existing in a discharge space and in glass used for forming the light emitting part (1) and sealing parts (2) can be reduced, with it being possible to suppress blackening and devitrification during lighting.Type: GrantFiled: September 26, 2005Date of Patent: May 12, 2009Assignee: Panasonic CorporationInventors: Shinichiro Hataoka, Kiyoshi Takahashi, Jun Sakaguchi, Yoshitaka Kurimoto, Syunsuke Ono, Takashi Tsutatani, Tomoyuki Seki, Makoto Horiuchi, Tsuyoshi Ichibakase