Patents Examined by Matt Hodges
  • Patent number: 7157851
    Abstract: A self-charging organic electroluminescent display is disclosed. A solar cell and an organic electroluminescent device are installed on a same substrate or different substrates. Using the photoelectric conversion property of the solar cell, the solar energy is converted into electrical energy and stored in a battery. Therefore, the electrical energy converted from the solar energy can be provided for the organic electroluminescent device to emit light, forming a self-charging organic electroluminescent display module.
    Type: Grant
    Filed: November 4, 2003
    Date of Patent: January 2, 2007
    Assignee: Industrial Technology Research Institute
    Inventors: Rong-Ho Lee, Chun-Te Lu
  • Patent number: 7154219
    Abstract: A boundary region between blocks of a luminescent layer is provided in a region on a second insulating layer (18) parallel with a glass substrate. Blocks of an electron transporting layer (28) are formed on associated blocks of the luminescent layer. A lithium fluoride layer (30) and an electron injection layer (32) are successively formed on the electron transporting layer (28) seamlessly. Accordingly, a boundary between the blocks of the electron transporting layer (28) is vertically aligned with a boundary between the blocks of the luminescent layer.
    Type: Grant
    Filed: September 1, 2004
    Date of Patent: December 26, 2006
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Yuji Hamada, Kazuki Nishimura
  • Patent number: 7153177
    Abstract: A flat-panel display includes a front glass, glass substrate, cathodes, gate electrodes, phosphor films, and anodes. The front glass has translucency at least partly. The substrate is placed to oppose the front glass through a vacuum space. The cathodes are formed on the substrate. The gate electrodes are placed in the vacuum space and spaced apart from the cathodes. The phosphor layers and anodes are formed on a surface of the front glass which opposes the substrate. Each cathode includes a metal member having many opening portions which is mounted on the substrate, and a conductive material containing carbon nanotubes filled in the mesh-like opening portions. A method of manufacturing a flat-panel display is also disclosed.
    Type: Grant
    Filed: May 18, 2005
    Date of Patent: December 26, 2006
    Assignee: Noritake Co., Ltd.
    Inventors: Sashiro Uemura, Junko Yotani
  • Patent number: 7151340
    Abstract: A display capable of preventing an emission layer from deterioration resulting from temperature rise of an electrode also when the same is increased in size and easily connectable with an external current source also when the same is connected with the external current source on a single portion is provided. This display comprises a first electrode formed on a substrate, an emission layer formed on the first electrode, a second electrode formed on the emission layer, a peripheral electrode, arranged to enclose the outer periphery of the second electrode and connected with at least three edges of the outer periphery of the second electrode, having a smaller sheet resistance value than the second electrode, and a current source connection terminal connected to the outer periphery of the peripheral electrode. Thus, current readily flows from the second electrode toward the peripheral electrode, while the current can be dispersedly fed along three or four directions.
    Type: Grant
    Filed: September 24, 2002
    Date of Patent: December 19, 2006
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Yuji Hamada, Tsuyoshi Tsujioka, Noriyuki Matsusue
  • Patent number: 7148612
    Abstract: A spark plug comprises an electrically-insulating sleeve (12) extending along a central axis (14) of the plug, a first electrode (16) having a tip (20), an electrically-conducting shell (22), and a second electrode (26) mounted on the shell, the second electrode having a tip (28). The tips (20 and 28) have spark surfaces (30, 32) which define a spark gap (34) of the plug. The spark surfaces (30, 32) are inclined at different angles (?1, ?2) relative to a plane (36, 38) extending normally of said central axis (14) of the plug so that said spark gap (34) varies in width along the length of the gap with the narrowest point (X1) of the gap being further from the connection between the second electrode (26) and the shell (22) than the other end of the gap.
    Type: Grant
    Filed: September 25, 2002
    Date of Patent: December 12, 2006
    Assignee: Federal-Mogul Ignition (UK) Limited
    Inventors: Alessandro Pino, John Anthony Burrows
  • Patent number: 7132792
    Abstract: An organic electroluminescence display device include: a substrate where a plurality of red (R), green (G) and blue (B) pixel regions are defined; a plurality of transparent electrodes on the substrate, each transparent electrode disposed in each pixel region; a buffer layer on the substrate in intervals among the transparent electrodes, the buffer layer overlapping side portions of the transparent electrodes; a separator on the buffer layer and arranged on one direction; a hole injection/transporting layer over the substrate covering the plurality of transparent electrodes, the buffer layer and the separator; a luminous layer on the hole injection/transporting layer and divided into each R, G or B pixel region; and a cathode electrode on the hole injection/transporting layer covering the divided luminous layer, the cathode electrode disposed all over the substrate to connect the R, G and B pixel regions.
    Type: Grant
    Filed: December 30, 2002
    Date of Patent: November 7, 2006
    Assignee: LG.Philips LCD Co., Ltd
    Inventor: Sung Joon Bae
  • Patent number: 7122946
    Abstract: There is provided a light source device, used in a display device and the like, having a high light emitting efficiency. The light source device has an electric discharge tube containing mercury and electrodes at both ends. A heat conducting member is attached to and is in contact with a part of the electric discharge tube. The heat conducting member locally cools the tube. The heat conducting member and the tube satisfy the following relationship, 6×10?5(m2·k)/S<(1/k1?1/k2)W, where a cross sectional area of the electric discharge tube is S (m2), an amount of generate heat per unit length of the electric discharge tubes is W (W/m), heat conductivity of the non-cooling part is k1 (W/K/m), and heat conductivity of the cooling part is defined as k2 (W/K/m).
    Type: Grant
    Filed: August 29, 2003
    Date of Patent: October 17, 2006
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Keiji Hayashi, Tetsuya Kobayashi, Toshihiro Suzuki, Tetsuya Hamada, Mari Sugawara
  • Patent number: 7112921
    Abstract: Provided herein are novel phosphors useful in the manufacture of white light emitting diodes. The phosphors provided by the invention are described by the formulae: MSxSey: B in which x, and y are each independently any value between about 0 and about 1, subject to the proviso that the sum of x and y is equal to any number in the range of between about 0.75 and about 1.25; M is at least one of Be, Mg, Ca, Sr, Ba, Zn, excepting Zn alone; and wherein the activator(s) B comprises one or more elements selected from the group consisting of: Eu, Ce, Cu, Ag, Al, Tb, Sb, Bi, K, Na, Cl, F, Br, I, Mg, Pr, and Mn, including mixtures comprising any two, any three, any four, any five, any six, any seven, or more of these elements in any proportion, and wherein the elements in these mixtures may each independently be present in any amount between 0.0001% and about 10% in mole percent based on the total molar weight of said composition.
    Type: Grant
    Filed: March 15, 2004
    Date of Patent: September 26, 2006
    Assignee: Phosphortech Inc.
    Inventors: Hisham Menkara, Christopher Summers, Brent K. Wagner
  • Patent number: 7109648
    Abstract: Provided herein are novel phosphors useful in the manufacture of white light emitting diodes. The phosphors provided by the invention are described by the formulae: MA2(SxSey)4:B and/or M2A4(SxSey)7:B in which x, and y are each independently any value between 0 and 1, including 0 and 1 subject to the proviso that the sum of x and y is equal to any number in the range of between about 0.75 and about 1.25; M is at least one of Be, Mg, Ca, Sr, Ba, Zn; A is at least one of Al, Ga, In, Y, La, and Gd; and wherein the activator(s), B, comprises one or more element selected from the group consisting of: Eu, Ce, Cu, Ag, Al, Tb, Cl, Br, F, I, Mg, Pr, K, Na, and Mn, including mixtures comprising any two, any three, any four, any five, any six, any seven, or more of these elements in any proportion, and wherein the elements in these mixtures may each independently be present in any amount between 0.0001% and about 10% in mole percent based on the total molar weight of said composition.
    Type: Grant
    Filed: March 15, 2004
    Date of Patent: September 19, 2006
    Assignee: Phosphortech Inc.
    Inventors: Hisham Menkara, Christopher Summers, Brent K. Wagner
  • Patent number: 7105999
    Abstract: An organic electroluminescent display device includes first and second substrates facing and spaced apart from each other, the first and second substrates having a plurality of pixel regions and a peripheral region surrounding the plurality of pixel regions, a first pad disposed at the peripheral region on an inner surface of the first substrate, a driving thin film transistor disposed at each of the plurality of pixel regions on the inner surface of the first substrate, the driving thin film transistor including an active layer, a gate electrode, and source and drain electrodes, a first connection electrode structure connected to the drain electrode, a second connection electrode structure connected to the first pad, the second connection electrode structure being the same as the first connection electrode structure, a first electrode on an entire inner surface of the second substrate, the first electrode being connected to the second connection electrode structure, an organic emission layer on the first ele
    Type: Grant
    Filed: June 30, 2003
    Date of Patent: September 12, 2006
    Assignee: LG.Philips LCD Co., Ltd.
    Inventors: Jae-Yong Park, Choong-Keun Yoo, Ock-Hee Kim, Nam-Yang Lee, Kwan-Soo Kim
  • Patent number: 7105994
    Abstract: A first frame includes a bottom portion, an inclined portion, a joint portion and a lateral portion for supporting a shadow mask. Between the lateral portion and the joint portion, a space is provided except where the lateral portion and the joint portion are welded. The joint portion is inclined with respect to the lateral portion such that the space enlarges with an increase in the distance from an edge of the lateral portion on the side of supporting the shadow mask. With this configuration, foreign substances can be removed from between the lateral portion and the joint portion in the process of cleaning the first frame, making it possible to both suppress the deterioration of high-voltage withstand capabilities of a color cathode ray tube and prevent the poor welding of the first frame.
    Type: Grant
    Filed: January 22, 2004
    Date of Patent: September 12, 2006
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Go Minami, Hirotoshi Watanabe, Hiroshi Aono
  • Patent number: 7102286
    Abstract: A plasma display panel having a structure that enables high definition progressive display and has good productivity is provided. A dielectric layer that covers display electrodes is made a layer whose surface has projections and depressions along undulations of the surface on which the dielectric layer is formed. A partition is arranged so as to face the projections of the surface of the dielectric layer for ensuring a ventilation path for exhausting air.
    Type: Grant
    Filed: February 11, 2003
    Date of Patent: September 5, 2006
    Assignee: Fujitsu Hitachi Plasma Display Limited
    Inventors: Masayuki Shibata, Hideki Harada
  • Patent number: 7102282
    Abstract: In an organic EL device having a first electrode of a light reflective material, organic layer including an organic light emitting layer, semitransparent reflection layer, and second electrode of a transparent material that are stacked sequentially, and so configured that the organic layer functions as a cavity portion of a cavity structure, light that resonates in a certain spectral width (wavelength ?) is extracted by so configuring that optical path length L becomes minimum in a range satisfying (2L)/?+?(2?)=m (m is an integer) where the phase shift produced in light generated in the organic light emitting layer when reflected by opposite ends of the cavity portion is ? radians, L is optical path length of the cavity portion, and ? is the peak wavelength of the spectrum of part of light to be extracted.
    Type: Grant
    Filed: November 22, 2000
    Date of Patent: September 5, 2006
    Assignee: Sony Corporation
    Inventors: Jiro Yamada, Tatsuya Sasaoka, Takashi Hirano
  • Patent number: 7102285
    Abstract: The present invention provides a plasma display panel (10), which includes a panel unit (100) containing a large number of discharge cells (103), a heat sink unit (300) bonded along a back substrate (105) of the panel unit for dissipating heat generated by the panel unit, and a thermal interface (200) interposed between the panel unit and the heat sink unit for connecting the panel unit and the heat sink unit. The thermal interface is made of a thermal interface material including carbon nanotubes. The heat sink unit includes a substrate (302) and a plurality of fins (304), wherein the substrate is formed from an anisotropic material for transferring the heat from the panel unit to the fins of the heat sink unit. The plasma display panel thus has high heat conductive performance.
    Type: Grant
    Filed: September 17, 2003
    Date of Patent: September 5, 2006
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventor: Ga-Lane Chen
  • Patent number: 7098589
    Abstract: Light-emitting devices, and related components, systems and methods are disclosed. The light-emitting device can include a multi-layer stack of materials and a support. The multi-layer stack of materials can include a light-generating region and a first layer supported by the light-generating. Thee light-generating region can be between the first layer and the support. The surface of the first layer can be configured so that light generated by the light-generating region can emerge from the light-emitting device via the surface of the first layer. The surface of the first layer can have a dielectric function that varies spatially according to a pattern. The pattern can be formed of holes in the surface of the first layer. The pattern is configured so that light generated by the light-generating region that emerges from the light-emitting device via the surface of the first layer is more collimated than a Lambertian distribution of light.
    Type: Grant
    Filed: November 26, 2003
    Date of Patent: August 29, 2006
    Assignee: Luminus Devices, Inc.
    Inventors: Alexei A. Erchak, Eleftrios Lidorikis, Chiyan Luo
  • Patent number: 7098587
    Abstract: An apparatus and a method for stabilizing the threshold voltage in an active matrix field emission device are disclosed. The method includes the formation of radiation-blocking elements between a cathodoluminescent display screen of the FED and semiconductor junctions formed on a baseplate of the FED.
    Type: Grant
    Filed: March 27, 2003
    Date of Patent: August 29, 2006
    Assignee: Micron Technology, Inc.
    Inventors: James J. Hofmann, John K. Lee, David A. Cathey, Glen E. Hush
  • Patent number: 7094120
    Abstract: A phosphor screen substrate is provided in which withstand voltage properties are superior, white uniformity of display image is superior, and luminescence can be efficiently reflected toward the front side. A method for manufacturing such a phosphor screen substrate includes the steps of forming a resin layer on a phosphor layer disposed on a substrate, heating the resin layer to a temperature in the range of from a glass transition temperature of a resin forming the resin layer to the melting point thereof, and forming a metal film on the heated resin layer. The resin layer provided with the metal film thereon is removed by pyrolysis.
    Type: Grant
    Filed: April 15, 2003
    Date of Patent: August 22, 2006
    Assignee: Canon Kabushiki Kaisha
    Inventor: Shoshiro Saruta
  • Patent number: 7088035
    Abstract: The present invention is to obtain a glass bulb of reduced weight, and high safeness and reliability by ion exchanging which assures a compressive stress layer having an effective thickness even to a large tensile vacuum stress. For this purpose, a region in an outer surface of a body portion 4 of the glass funnel, the region having a small mechanical strength and producing the maximum tensile vacuum stress thereby causing breakage easily, is partly strengthened by ion exchanging method according to an electric field assisting method and an ion exchanging method using paste in combination, whereby a portion 9 strengthened by ion exchanging method is provided in that region wherein the concentration of doped ions in a strengthened compressive stress layer is distributed according to a substantially step function in a direction from the surface of the glass toward the inside of it.
    Type: Grant
    Filed: July 12, 2002
    Date of Patent: August 8, 2006
    Assignee: Asahi Glass Company, Limited
    Inventors: Tsunehiko Sugawara, Mikio Ueki
  • Patent number: 7084561
    Abstract: A cathode ray tube with a panel includes an inside surface having a designated curvature; a central portion having a transmission rate of 45–75%; and an outside surface being substantially flat with a flatness ratio (F) satisfying a mathematical formula of F = Ro Sd × 1.767 , where Ro denotes a diagonal curvature radius of the outside surface, Sd denotes a diagonal length of an effective surface of the panel, and the flatness ratio (F) of the outside surface is greater than 17. The dimensions of the panel are such that the thickness at the central portion of the panel (CFT), the thickness of a vertical axis end (Tv), and the thickness of a diagonal end (Td) satisfy conditions of 1.4<Td/CFT<2.2, and 0.85<Tv/Td<1.0.
    Type: Grant
    Filed: November 5, 2003
    Date of Patent: August 1, 2006
    Assignee: LG.Philips Displays Korea Co., Ltd.
    Inventors: Tae Hoon Lee, Yoon San Park
  • Patent number: 7071607
    Abstract: The present invention provides a display device which can sufficiently ensure spaces for mounting distance holding members 5 when the distance holding members 5 are mounted, can facilitate the assembling and can realize the electron emission characteristics of high performance. At least two different types of gaps b, c (b<c) are provided among cathode lines 2 (2R, 2G, 2B) and the distance holding members 5 are mounted at portions of the gaps c having a larger size whereby the space for mounting the distance holding members 5 can be sufficiently ensured.
    Type: Grant
    Filed: January 6, 2003
    Date of Patent: July 4, 2006
    Assignees: Hitachi Ltd., Hitachi Device Engineering Co., Ltd.
    Inventors: Yuuichi Kijima, Kenji Miyata, Yoshiyuki Kaneko, Shigemi Hirasawa, Susumu Sasaki, Hiroshi Kawasaki, Jun Ishikawa