Particles Applied Patents (Class 427/71)
  • Patent number: 8994259
    Abstract: A wave-length conversion inorganic member can includes a base body and an inorganic particle layer on the base body. The inorganic particle layer can include particles of an inorganic wave-length conversion substance which is configured to absorb light of a first wave-length and to emit light of a second wave-length different from the first wave-length. The inorganic particle layer can include an agglomerate of a plurality of the particles. Each of the plurality of the particles are in contact with at least one of the other particles or the base body. A cover layer comprises an inorganic material, and the cover layer continuously covers a surface of the base body and surfaces of the particles. The inorganic particle layer has an interstice enclosed by the particles, or by the particles and one of the base body and the cover layer.
    Type: Grant
    Filed: March 28, 2013
    Date of Patent: March 31, 2015
    Assignee: Nichia Corporation
    Inventors: Hiroto Tamaki, Takayoshi Wakaki, Tadao Hayashi, Yoshiki Sato, Daisuke Oyamatsu, Takafumi Sugiyama, Takao Kosugi
  • Patent number: 8936828
    Abstract: Provided is a method of fabricating a substrate where patterns are formed, the method including: preparing a solution in which a plurality of oxide beads are dispersed; forming patterns on a substrate; installing a provisional structure in an upper portion of the substrate so that a micro-channel is formed on the substrate; injecting the solution in which the oxide beads are dispersed, into the micro-channel and fixing the oxide beads at the substrate; and thermally processing the substrate. A plurality of low-priced oxide beads can be patterned on a substrate to have a desired shape so that damages can be prevented from occurring in the substrate during dry etching, and an etching process is not performed so that a yield of a device is not reduced and mass production of the device increases.
    Type: Grant
    Filed: April 29, 2009
    Date of Patent: January 20, 2015
    Assignee: SNU R&DB Foundation
    Inventors: Euijoon Yoon, Sung-Hoon Kwon
  • Publication number: 20140209856
    Abstract: A fused film and methods for making the fused film to be employed in a light emitting device are provided. In one embodiment, the disclosure provides a method for forming a film from fused all-inorganic colloidal nanostructures, where the all-inorganic colloidal nanostructures may include inorganic semiconductor nanoparticles and functional inorganic ligands that may be fused to form an electrical network that is electroluminescent. In another embodiment, the disclosure provides a light-emitting device including the fused film that minimizes current leakage in the device and provides increased stability, longevity, and luminescent efficiency to the device.
    Type: Application
    Filed: January 31, 2013
    Publication date: July 31, 2014
    Applicant: Sunpower Technologies LLC
    Inventor: Sunpower Technologies LLC
  • Publication number: 20140212756
    Abstract: A lithium iron phosphate cathode material has high electron conductivity and high lithium ion conductivity, in other words, has excellent performance as an electrode material, which is provided by a carbon coating formed using a small amount of a carbon material. A method for producing the lithium iron phosphate cathode material is also provided. In particular, a lithium iron phosphate cathode material has primary particles of lithium iron phosphate coated with a conductive carbon cover layer. The conductive carbon cover layer is characterized by having thick layer portions with a thickness of 2 nm or greater and thin layer portions with a thickness of smaller than 2 nm.
    Type: Application
    Filed: March 7, 2012
    Publication date: July 31, 2014
    Applicant: MITSUI ENGINEERING & SHIPBUILDING CO., LTD.
    Inventors: Yoshiki Sakaguchi, Yoshitaka Hamanaka
  • Publication number: 20140212575
    Abstract: The present invention includes a novel self-assembling nanocomposite structure comprising a shape-persistent three-dimensional cage molecule. In one aspect, binding of nanoparticles to metal coordinating groups in the cage molecule allows for the self-assembly of the nanoparticles into a nanocomposite material. The present invention further includes methods of preparing such self-assembling nanocomposite structures.
    Type: Application
    Filed: September 24, 2013
    Publication date: July 31, 2014
    Inventors: Wei Zhang, Ryan McCaffrey, Wounjhang Park, Kazunori Emoto, Yinghua Jin
  • Patent number: 8791630
    Abstract: A light emitting section emits fluorescence upon receiving exciting light emitted from a laser element. The light emitting section includes a plurality of fluorescent material particles made from a single type of fluorescent material or several types of fluorescent materials, the plurality of fluorescent material particles being accumulated on a metal substrate to form a layer of the plurality of fluorescent material particles. Each of the plurality of fluorescent material particles has a surface coated with a coating layer. The coating layer forms an uneven shape of a surface of the light emitting section.
    Type: Grant
    Filed: February 2, 2012
    Date of Patent: July 29, 2014
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yosuke Maemura, Yoshiyuki Takahira
  • Patent number: 8790149
    Abstract: A method of fabricating flexible display device includes providing a flexible display panel having an uneven surface, and forming at least one filling layer on the uneven surface of the flexible display panel. The filling layer includes an organic filling layer polymerized by a precursor layer, or an inorganic filling layer including nanometer-scale carbon structure.
    Type: Grant
    Filed: August 15, 2012
    Date of Patent: July 29, 2014
    Assignee: AU Optronics Corp.
    Inventors: Chun-Jan Wang, Chia-Hao Chang, Chih-Jen Yang, Chuan-Hsiu Chang, Lan-Kai Yeh
  • Patent number: 8703017
    Abstract: A method of modifying a phosphor and a phosphor composition and a manufacturing method of the same and a phosphor solution are provided. The phosphor composition includes a silicone resin and a modified phosphor. The modified phosphor includes a phosphor and a nano-silica particle. The nano-silica particle is adhered to the phosphor. A weight ratio of the modified phosphor to the silicone resin is substantially between 1:0.005 and 1:0.1.
    Type: Grant
    Filed: December 27, 2011
    Date of Patent: April 22, 2014
    Assignee: Industrial Technology Research Institute
    Inventors: Kuo-Tung Huang, Yu-Ying Hsu, Bee-Yu Wei
  • Patent number: 8691334
    Abstract: Provided is a method of fabricating a substrate where patterns are formed, the method including: forming first bonding agent patterns having selective cohesion in a position in which oxide bead patterns are to be formed on a substrate; coating a second bonding agent having larger cohesion with the first bonding agent than cohesion with the substrate, on a plurality of oxide beads, applying the oxide beads, on which the second bonding agent is coated, to the substrate and forming the oxide beads, on which the second bonding agent is coated, on the first bonding agent patterns; and thermally processing the substrate.
    Type: Grant
    Filed: April 24, 2009
    Date of Patent: April 8, 2014
    Assignee: SK Hynix Inc.
    Inventors: Euijoon Yoon, Sung-Hoon Kwon
  • Patent number: 8282986
    Abstract: A method of applying a phosphor coating is described. The method comprises forming a suspension of a phosphor and a polymer binder dissolved in a solvent, the phosphor comprising at least one of a nitridosilicate or an oxonitridosilicate phosphor, the polymer binder being capable of decomposing thermally; applying the suspension to a substrate to form a coating; drying the coating; and baking the coating in an inert atmosphere to thermally decompose the polymer binder to form the phosphor coating, preferably at a temperature less than about 400° C. in a nitrogen atmosphere.
    Type: Grant
    Filed: May 17, 2007
    Date of Patent: October 9, 2012
    Assignee: OSRAM SYLVANIA, Inc.
    Inventors: Richard S. Speer, Madis Raukas
  • Publication number: 20120171360
    Abstract: A method for industrially producing a phosphor with high performance, in particular, high brightness. Also disclosed is a nitrogen-containing alloy and an alloy powder useful for producing the high performance phosphor. The method for producing the phosphor includes heating a raw material for a phosphor in whole or in part comprising an alloy containing two or more different metal elements under a nitrogen-containing atmosphere and heating the raw material for a phosphor under conditions such that the temperature change per minute is 50° C. or lower. Using an alloy as all or part of the raw material constituting the phosphor precursor, it is possible to suppress the rapid progression of nitridation during heat treatment and industrially produce a phosphor with high performance, in particular, high brightness.
    Type: Application
    Filed: January 5, 2012
    Publication date: July 5, 2012
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Naoto KIJIMA, Hiromu Watanabe, Keiichi Seki
  • Patent number: 8142838
    Abstract: A method for making a liquid crystal display screen includes the steps of: providing a base comprising a surface; manufacturing a substrate, wherein manufacturing a substrate comprises: placing a carbon nanotube layer on the surface of the base, the carbon nanotube layer comprising a plurality of carbon nanotubes substantially aligned along a same direction; applying a fixing layer on a surface of the carbon nanotube layer, thereby obtaining a first substrate; and supplying a liquid crystal layer, wherein the carbon nanotubes of a first substrate are arranged perpendicular to that of a second substrate.
    Type: Grant
    Filed: November 20, 2008
    Date of Patent: March 27, 2012
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Wei-Qi Fu, Liang Liu, Kai-Li Jiang, Shou-Shan Fan
  • Patent number: 8071159
    Abstract: The present invention provides a method of making pure white light source. A phosphor powder which at least comprises three elements Zn, Se, and O is used for being excited by a purple-LED to emit pure red light (650 nm). The phosphor powder is coated on the purple-LED (Ex. chromaticity coordinate of x:0.26, y:0.10), and then placed aside a pure green-LED (or chip), when the purple-LED and the green-LED are electrified, a pure white light source with high color rendering index and high color saturation is obtained.
    Type: Grant
    Filed: March 23, 2009
    Date of Patent: December 6, 2011
    Inventor: Wade Lee Wang
  • Patent number: 8057849
    Abstract: A method of forming conductive features on a substrate, the method includes reacting a metal compound with a reducing agent in the presence of a stabilizer in a reaction mixture comprising the metal compound, the reducing agent, and the stabilizer, wherein the reaction mixture is substantially free of solvent, to form a plurality of metal nanoparticles with molecules of the stabilizer on the surface of the metal nanoparticles. After isolating the plurality of metal nanoparticles, a liquid composition that includes a polymeric binder, a liquid and the plurality of metal nanoparticles with molecules of the stabilizer on the surface of the metal nanoparticles is deposited on a substrate by a liquid deposition technique to form a deposited composition. The deposited composition is then heated to form conductive features on the substrate.
    Type: Grant
    Filed: December 4, 2009
    Date of Patent: November 15, 2011
    Assignee: Xerox Corporation
    Inventors: Ping Liu, Yiliang Wu, Anthony J. Wigglesworth, Nan-Xing Hu
  • Publication number: 20110253298
    Abstract: A method for manufacturing a phosphor film containing phosphor particles includes steps of bringing a pressing member into contact with a precursor layer containing phosphor particles and an organic resin, and heating the precursor layer to a temperature at which the organic resin is thermally decomposed or above while the precursor layer is in contact with the pressing member.
    Type: Application
    Filed: April 14, 2011
    Publication date: October 20, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventor: Haruo Tomono
  • Patent number: 7998526
    Abstract: A system and method for depositing a phosphor composition onto a light emitting device improves manufacturing yield, simplifies conventional processes, and decreases costs. For example, a method of dispensing a phosphor composition onto a light emitting device includes dispensing a portion of the phosphor composition onto the light emitting device utilizing a plurality of colored phosphor dispensers each for dispensing a respective type of phosphor. Power is applied to the light emitting device to emit light, and a characteristic the light emitted by the light emitting device is detected. Phosphor mixing and phosphor dispensing are dynamically controlled. Therefore the color characteristics of phosphor dispensed on LEDs are consistent. The system and method may also reduce the difference between detected characteristic of the light and a desired characteristic of the light.
    Type: Grant
    Filed: December 1, 2009
    Date of Patent: August 16, 2011
    Assignee: Bridgelux, Inc.
    Inventors: Tao Xu, Rene Helbing
  • Publication number: 20110045169
    Abstract: Disclosed is a film of dispersed carbon nanotubes that emit intensive light with a particular wavelength. The film of dispersed carbon nanotubes is a film in which a plurality of carbon nanotubes are dispersed in a transparent binder, and each carbon nanotube is dispersed isolatedly in an oriented manner.
    Type: Application
    Filed: October 27, 2010
    Publication date: February 24, 2011
    Applicants: THE UNIVERSITY OF TOKYO, KONICA MINOLTA HOLDINGS, INC.
    Inventors: Shigeo MARUYAMA, Yuhei MIYAUCHI, Yoshikazu KONDO, Atsushi SAITO
  • Publication number: 20110019265
    Abstract: The present invention can realize bright white display, a high contrast black-white display and full color display with a simple structure of element members, and provide a display element exhibiting high durability and a method of forming a porous layer in the display element. Also disclosed is a display element comprising a porous layer and an electrolyte between a pair of facing electrodes, wherein the porous layer comprises particles bonded to each other by a metal or nonmetal oxide, the metal or nonmetal oxide deposited from a treatment solution comprising a deposition promoter and a complex comprising a metal or nonmetal ion and a ligand via reaction of the ligand with the deposition promoter.
    Type: Application
    Filed: July 8, 2009
    Publication date: January 27, 2011
    Inventor: Akihito Hisamitsu
  • Publication number: 20110014416
    Abstract: A patterned fluorescent fine particle film that retains the intrinsic functions of fluorescent fine particles and that can be formed on any substrate at a desired thickness, a method for manufacturing the patterned fluorescent fine particle film, and a display apparatus including the patterned fluorescent fine particle film are provided.
    Type: Application
    Filed: June 5, 2008
    Publication date: January 20, 2011
    Inventor: Kazufumi Ogawa
  • Patent number: 7842333
    Abstract: The invention relates to a method of forming a phosphor film and a method of manufacturing an LED package incorporating the same. The method of forming a phosphor film includes mixing phosphor and light-transmitting beads in an aqueous solvent such that the nano-sized light-transmitting beads having a first charge are adsorbed onto surfaces of phosphor particles having a second charge. The method also includes coating a phosphor mixture obtained from the mixing step on an area where the phosphor film is to be formed, and drying the coated phosphor mixture to form the phosphor film. The invention further provides a method of manufacturing an LED package incorporating the method of forming the phosphor film.
    Type: Grant
    Filed: September 22, 2006
    Date of Patent: November 30, 2010
    Assignee: Samsung LED Co., Ltd.
    Inventors: Hai Sung Lee, Jong Myeon Lee, Ho Sung Choo, Myung Whun Chang, Youn Gon Park
  • Publication number: 20100266750
    Abstract: Provided is a method of manufacturing a plasma display panel including: a front plate on which a protective layer is formed on a dielectric layer, and a rear plate which is arranged to face the front plate so as to form a discharge space and on which a barrier rib for partitioning the discharge space is provided, wherein the protective layer of the front plate is formed by depositing an underlying film on the dielectric layer, coating a volatile solvent, in which aggregated particles obtained by aggregating a plurality of crystal particles including metal oxide are dispersed, on the underlying film, performing reduced-pressure drying, and attaching the aggregated particles to the underlying film.
    Type: Application
    Filed: March 10, 2009
    Publication date: October 21, 2010
    Inventors: Masashi Morita, Haruhiro Yuki, Kazuhiro Yokota, Seiji Nishitani, Satoshi Maeshima
  • Patent number: 7799369
    Abstract: A light active device includes a semiconductor particulate dispersed within a carrier material. A first contact layer is provided so on application of an electric field charge carriers having a polarity are injected into the semiconductor particulate through the carrier material. A second contact layer is provided so on application of the electric field to the second contact layer charge carriers having an opposite polarity are injected into the semiconductor particulate through the carrier material. The semiconductor particulate comprises at least one of an organic and an inorganic semiconductor. The semiconductor particulate may comprise an organic light active particulate. When constructed as a light emitting device, an electric field applied to the semiconductor particulate through the carrier causes charge carriers of opposite polarity to be injected into the semiconductor particulate. The charge carriers combine to form carrier pairs which decay and give off light.
    Type: Grant
    Filed: June 14, 2006
    Date of Patent: September 21, 2010
    Inventor: John J. Daniels
  • Publication number: 20100230667
    Abstract: The present invention is intended to provide an organic LED element in which the extraction efficiency is improved up to 80% of emitted light, and provides a translucent substrate comprising a translucent glass substrate; a scattering layer formed on the glass substrate and comprising a glass which contains a base material having a first refractive index for at least one wavelength of light to be transmitted and a plurality of scattering materials dispersed in the base material and having a second refractive index different from that of the base material; and a translucent electrode formed on the scattering layer and having a third refractive index higher than the first refractive index, wherein distribution of the scattering materials in the scattering layer decreases toward the translucent electrode.
    Type: Application
    Filed: May 7, 2010
    Publication date: September 16, 2010
    Inventors: Nobuhiro Nakamura, Motoshi Ono, Kenji Imakita, Hidefumi Odaka, Nao Ishibashi, Kazutaka Hayashi
  • Publication number: 20100224893
    Abstract: A process for arranging a powder layer comprising a powder on a substrate surface of a substrate. A substrate having a substrate surface is provided, and a mixture comprising the powder and an adhesion promoter is applied on the substrate surface. The adhesion promoter is removed and the powder layer is fixed on the substrate surface.
    Type: Application
    Filed: June 6, 2007
    Publication date: September 9, 2010
    Applicant: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventor: Ute Liepold
  • Publication number: 20100171412
    Abstract: A composition containing an inorganic particle of the present invention contains an organic compound (A1) having a terpene skeleton and a viscosity of 10,000 to 1,000,000 mPa·s at 25° C. and an inorganic particle, in which the content of the organic compound (A1) is 50% by mass to 95% by mass relative to the whole amount of organic compounds contained in the composition containing an inorganic particle.
    Type: Application
    Filed: May 28, 2008
    Publication date: July 8, 2010
    Inventors: Hiroyuki Tanaka, Yuuji Kobayashi, Naoki Yamada, Hiromi Kobayashi, Shoko Sugawara
  • Publication number: 20100119839
    Abstract: A thin-film phosphor layer can be formed by an improved deposition method involving: (1) forming a phosphor powder layer that is substantially uniformly deposited on a substrate surface; and (2) forming a polymer binder layer to fill gaps among loosely packed phosphor particles, thereby forming a substantially continuous layer of thin film.
    Type: Application
    Filed: November 12, 2009
    Publication date: May 13, 2010
    Inventor: Chieh Chen
  • Patent number: 7700200
    Abstract: A light emitting device includes a semiconductor nanocrystal in a layer. The layer can be a non-polymeric layer.
    Type: Grant
    Filed: March 28, 2003
    Date of Patent: April 20, 2010
    Assignees: Massachusetts Institute of Technology, Universal Display Corporation
    Inventors: Vladimir Bulović, Seth A. Coe, Wing-Keung Woo, Moungi G. Bawendi
  • Patent number: 7648729
    Abstract: This mask includes: a substrate in which an aperture is formed; a mask member which, along with being formed with a plurality of through holes, is joined to the substrate in correspondence to the aperture; and spacers which hold the substrate and the mask member with a predetermined gap between them.
    Type: Grant
    Filed: February 23, 2004
    Date of Patent: January 19, 2010
    Assignee: Seiko Epson Corporation
    Inventor: Makoto Nakadate
  • Patent number: 7615248
    Abstract: Provided are a method for preparing a blue-emitting BAM phosphor which includes: surface-treating phosphor particles with metal oxide nanoparticles, and a blue-emitting BAM phosphor prepared by the method. The blue-emitting BAM phosphor exhibits better dispersibility and flowability in coating slurry without undergoing a reduction in initial brightness, thereby providing less color variation at ends of a BLU lamp. The blue-emitting BAM phosphor can be directly applied in a currently available method of manufacturing a BLU lamp, and when mixed with existing red and green phosphors, can remarkably reduce color variation at ends of a lamp. Therefore, the quality of a BLU lamp for large-scale displays can be greatly improved.
    Type: Grant
    Filed: December 29, 2005
    Date of Patent: November 10, 2009
    Assignee: Daejoo Electronic Materials Co., Ltd.
    Inventors: Kwang-wook Choi, Chang-seok Ryoo, Do-hoon Kim, Ick-soon Kwak, Tae-hyun Kwon
  • Patent number: 7601386
    Abstract: A liquid material is placed on a substrate as a droplet to form a film on the substrate. At least either one of a concentration of solids in the liquid material and a drying rate of the droplets is used as a parameter to control a form of a dried film of the droplets. Moreover, a first droplet is placed on a substrate, the first droplet is dried to form a dried film of a form in which a thickness of an edge is larger than that of a central part, and a second droplet is placed in a region surrounded by the edge section of a dried film of the first droplet to form a dried film of the second droplet. Furthermore, the liquid material is placed on the substrate as a droplet to form a film on the substrate, and a dried film of the droplet is formed by contracting the droplet.
    Type: Grant
    Filed: June 16, 2004
    Date of Patent: October 13, 2009
    Assignee: Seiko Epson Corporation
    Inventor: Takashi Masuda
  • Publication number: 20090213591
    Abstract: The present invention relates to a reflective member (7). The reflective member (7) includes a reflective layer 61 (7) formed to be porous using an inorganic material. The reflective layer 61 (7) has a porosity of 15-43%. Such reflective layer 61 (7) is formed by partly combining a plurality of inorganic particles with each other.
    Type: Application
    Filed: March 25, 2006
    Publication date: August 27, 2009
    Applicant: KYOCERA CORPORATION
    Inventors: Kousuke Katabe, Yuki Mori
  • Publication number: 20090081359
    Abstract: The invention relates to a patternable coatable electrically conductive layer comprising a fluid-coated electrically conductive material, wherein the fluid-coated electrically conductive material has sufficient conductivity to induce an electric field strong enough to change the optical state of a light modulating material and a display comprising a substrate, at least one patternable coatable electrically conductive layer comprising a fluid-coated electrically conductive material, wherein said fluid coated electrically conductive material has sufficient conductivity to induce an electric field strong enough to change the optical state of a light modulating material which has a first and a second field-switched stable optical state, and an imaging layer comprising said light modulating material disposed over said at least one patternable fluid-coated electrically conductive layer.
    Type: Application
    Filed: November 17, 2008
    Publication date: March 26, 2009
    Applicant: Industrial Technology Research Institute (ITRI)
    Inventors: Stanley W. Stephenson, Mary C. Brick, Terry J. Martin
  • Patent number: 7476411
    Abstract: A liquid suspension of phosphor particles and method for depositing the liquid suspension. The suspension advantageously has a low viscosity with a high solids-loading of phosphor particles. The apparent density of the phosphor particles is well-controlled to enable the particles to be dispersed in the liquid vehicle. The suspension is useful in direct-write tools such as ink-jet devices.
    Type: Grant
    Filed: January 31, 2000
    Date of Patent: January 13, 2009
    Assignee: Cabot Corporation
    Inventors: Mark J. Hampden-Smith, Toivo T. Kodas, James Caruso, Daniel J. Skamser
  • Patent number: 7311936
    Abstract: While a corner part 35 of a skin 7 formed between side covers 30 and 31 has a sector shape, a corner part 29 of a base material 9 also has a sector shape. When resin is charged between the skin 7 and the base material 9, the sector-shaped corner part 35 is bent under a pressure at which the resin is charged to stretch outward, thereby bringing the sector-shaped corner part 35 into absolute contact with the sector-shaped corner part 29 of the base material 9. This prevents resin leakage from between the skin 7 and the base material 9.
    Type: Grant
    Filed: February 23, 2006
    Date of Patent: December 25, 2007
    Assignee: DaikyoNishikawa Corporation
    Inventor: Shingo Niimi
  • Patent number: 7291672
    Abstract: The paste composition of the present invention is a paste composition comprising (i) a polyurethane resin which comprises (a) a recurring unit represented by the formula (1) and (b) a recurring unit represented by the formula (2), a molar fraction of said recurring unit (a) being in the range of 0.35 to 0.99, a molar fraction of said recurring unit (b) being in the range of 0.01 to 0.65, the total of both the molar fractions being 1, (ii) a solvent and (iii) a powder. By the use of the paste composition, dielectric layers, sealing products, barrier ribs, phosphors, etc. can be favorably formed.
    Type: Grant
    Filed: October 27, 2004
    Date of Patent: November 6, 2007
    Assignee: Mitsu Takeda Chemicals, Inc.
    Inventors: Daiki Taneichi, Manabu Tsuruta, Masahiko Mitsuduka
  • Patent number: 7223353
    Abstract: A phosphor layer for an electroluminescent panel comprises a phosphor powder held in a binder. The binder comprises a mixture of two constituents, one of which is a drying oil or a semi-drying oil or a derivative and the other constituent is a sol-gel precursers. Examples of suitable oils are linseed oil, rape seed oil, sunflower oil and soyabean oil. Examples of suitable sol-gel precursers are tetraethyl orthosilicate, boron iso-propoxide, aluminium sec-butoxide and titanium iso-propoxide. Metal salts such as metal alkoxides, metal acetates and metal nitrates may be mixed with the sol-gel precursers.
    Type: Grant
    Filed: April 29, 2002
    Date of Patent: May 29, 2007
    Assignee: Burnel University
    Inventors: Aron Vecht, Jack Silver, Dominic Davies, Philip Titler
  • Patent number: 7140940
    Abstract: The present invention intends to provide a manufacturing method for a PDP that can continuously apply phosphor ink for a long time and can accurately and evenly produce phosphor layers even when the cell construction is very fine. To do so, phosphor ink is continuously expelled from a nozzle while the nozzle moves relative to channels between partition walls formed on a plate so as to scan and apply phosphor ink to the channels. While doing so the path taken by the nozzle within each channel between a pair of partition walls is adjusted based on position information for the channel. When phosphor particles is successively applied to a plurality of channels, phosphor ink is continuously expelled from the nozzle even when the nozzle is positioned away from the channels. The phosphor ink is composed of: phosphor particles that have an average particle diameter of 0.
    Type: Grant
    Filed: October 18, 2002
    Date of Patent: November 28, 2006
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Hiroyuki Kawamura, Shigeo Suzuki, Masaki Aoki, Kanako Miyashita, Mitsuhiro Ohtani, Hiroyuki Kado, Keisuke Sumida, Nobuyuki Kirihara
  • Patent number: 7105200
    Abstract: A thick-film sheet member producing method including: (a) a support-body preparing step of preparing a support body having a film formation surface provided by a particle layer constituted by high-melting-point particles which are held together with a resin and which have a melting point higher than a predetermined temperature; (b) a paste-film forming step of forming a paste film on the film formation surface, by applying a paste onto the film formation surface; and (c) a firing step of subjecting the support body on which the paste film has been formed, to a heat treatment effected at the predetermined temperature, so as to burn the resin included in the particle layer, whereby the high-melting-point particles become unbound from each other in absence of the resin that has been burned. The paste film is sintered in the firing step, whereby a thick film is formed of the sintered paste film.
    Type: Grant
    Filed: September 10, 2002
    Date of Patent: September 12, 2006
    Assignee: Noritake Co., Limited
    Inventors: Susumu Sakamoto, Masayuki Hiroshima, Shigeo Mori, Eiji Naraki, Koichi Sato, Hirotoshi Takechi
  • Patent number: 7021982
    Abstract: Conductive or semiconductive binders, both inorganic and organic, are used for providing sufficient binding action to hold powder phosphor particles together, as well as to the glass screen of a field emission display device.
    Type: Grant
    Filed: December 4, 2002
    Date of Patent: April 4, 2006
    Assignee: Micron Technology, Inc.
    Inventors: Surjit S. Chadha, Charles M. Watkins
  • Patent number: 7008739
    Abstract: The present invention is to provide a process for manufacturing a fluorescent film wherein the order of coating the fluorescent films of a color Braun tube and the thickness of the film are adjusted to reduce the amount of red fluorescent material employed for red fluorescent film without deteriorating the quality of the red fluorescent film, thereby lowering the cost for manufacturing. The process first forms the red fluorescent film on the panel of a color Braun tube and then forms the blue and green fluorescent films subsequently thereafter.
    Type: Grant
    Filed: April 16, 1996
    Date of Patent: March 7, 2006
    Assignee: LG Electronics Inc.
    Inventors: Seoug Wan Kang, Kyung Ho Lee
  • Patent number: 6926927
    Abstract: A chalcogen film is applied to an acute tip of a glass fiber and the acute tip is held in physical contact with a metal layer so as to induce diffusional reaction for generation of a metal chalcogenide nano-particle or nano-particles at the acute tip. In the case where the chalcogen film is directly applied to the acute tip, the generated nano-particle or nano-particles are transferred from the acute tip to a corresponding part of the metal layer. When a silane-adsorbed film is pre-formed on the acute tip before application of the chalcogen film, the generated nano-particle or nano-particles are fixed to the acute tip. The nano-particles are several to tens in number with very narrow distribution of particle size. Since particle size and fixed position of the nano-particle or nano-particles can be controlled with high freedom, the nano-particle or nano-particles are useful as a light-emitting or photo-detecting element.
    Type: Grant
    Filed: November 26, 2001
    Date of Patent: August 9, 2005
    Assignee: Japan Science and Technology Corporation
    Inventor: Akito Ishida
  • Patent number: 6913787
    Abstract: This invention relates to coated particles used as phosphor particles for a phosphor screen of a display and a coating method for such particles. In the coating method of the present invention, first particles having a mean particle diameter of 3 to 10 ?m are fluidized, and slurry drops obtained by suspending second particles having a mean particle diameter of 5 to 500 nm are generated from a spray nozzle or the like. Then, the fluidized first particles and the slurry drops are collided with each other, and thereby the second particles are coated on the surfaces of the first particles. Thereby, this invention is able to present coated particles wherein each surface of the first particles is uniformly coated with the second particles that are more microscopic than the first particles.
    Type: Grant
    Filed: June 18, 2003
    Date of Patent: July 5, 2005
    Assignee: Sony Corporation
    Inventors: Takahiro Igarashi, Tsuneo Kusunoki, Katsutoshi Ohno
  • Patent number: 6890593
    Abstract: A method for coating moisture sensitive inorganic particles, such as phosphors, comprising mixing the inorganic particles having a particle size of about 1 to 100 micrometers with nanometer-sized coating particles, and firing the mixture to soften or melt the nanometer-sized particles about the inorganic particles, forming a moisture impervious coating. The coated particles are washed to remove excess particles, and dried. Coated moisture sensitive phosphor particles are impervious to moisture.
    Type: Grant
    Filed: April 18, 2003
    Date of Patent: May 10, 2005
    Assignee: Sarnoff Corporation
    Inventor: Yongchi Tian
  • Patent number: 6833160
    Abstract: A metal M is chosen from the group formed by yttrium, aluminum and lanthanum, and a watery solution of a complex of M and an organic chelating agent is added to a suspension of luminescent material, which causes a layer of M2O3 to be deposited on the luminescent material, which is them separated, dried and fired.
    Type: Grant
    Filed: May 10, 2002
    Date of Patent: December 21, 2004
    Assignee: Koninklijke Philips Electronics N.V.
    Inventors: Thomas Jüstel, Jacqueline Merikhi, Hans Nikol, Cornelis R. Ronda
  • Patent number: 6811813
    Abstract: A method for coating moisture sensitive inorganic particles, such as phosphors, comprising mixing the inorganic particles which have a particle size of about 1 to 100 micrometers with nanometer sized coating particles, as of silica, and firing to soften or melt the nanometer sized particles, forming a moisture-impervious inorganic coating on the inorganic particles. The coated particles are washed to remove any uncoated particles and dried.
    Type: Grant
    Filed: October 13, 1999
    Date of Patent: November 2, 2004
    Assignee: Sarnoff Corporation
    Inventor: Yongchi Tian
  • Patent number: 6737103
    Abstract: A portable, self-contained, electronic radioscopic imaging system uses a pulsed X-ray source, a remote X-ray sensor, and a self-contained, display and controller unit to produce, store, and/or display digital radioscopic images of an object under investigation in low voltage imaging environments such as medical applications including mammography and tissue imaging, and industrial radiography of low-density structures, or the like. The radiographic system uses an X-ray converter screen for converting impinging X-ray radiation to visible light, and thus each point impinged on the screen by X-ray radiation scintillates visible light emissions diverging from the screen. An image sensor, i.e., a CCD camera, is configured to sense the visible light from the screen. An aspheric objective lens operable with the CCD camera spatially senses visible light within a collection cone directed outwardly from the image sensor. An emission modification lens layer, e.g.
    Type: Grant
    Filed: April 9, 2002
    Date of Patent: May 18, 2004
    Assignee: Science Applications International Corporation
    Inventors: Raulf M. Polichar, Richard C. Schirato, Janis Baltgalvis
  • Patent number: 6727048
    Abstract: A method for photo-imageable lacquer deposition for a display device. In one embodiment, a layer of photo-imageable lacquer is deposited on top of a faceplate of a display device. Portions of the lacquer layer are removed and selected portions of the lacquer layer remain deposited in the sub-pixel areas of the faceplate.
    Type: Grant
    Filed: December 20, 2001
    Date of Patent: April 27, 2004
    Assignees: Candescent Intellectual Property Services, Inc., Candescent Technologies Corporation
    Inventors: Olof M. Trollsas, Theodore S. Fahlen
  • Patent number: 6726952
    Abstract: A method of applying photo-luminescent pigment to a substrate, such as an aluminum or metal strip containing channels or depressions, includes preparing a dry powder formulation comprising a photo-luminescent pigment and a carrier/fixer, depositing the dry powder formulation onto the substrate surface, and heating to fuse the dry powder formulation to the substrate surface. The photo-luminescent pigment can be applied using an apparatus which includes a hopper adapted to contain the dry powder formulation, one or more orifices adapted to allow transfer of the dry powder formulation from the hopper to a substrate surface and a guide rail system for locating the substrate surface in both a fixed horizontal plane and a fixed vertical plane below the hopper and orifice.
    Type: Grant
    Filed: June 3, 2002
    Date of Patent: April 27, 2004
    Assignee: Ecoglo Limited
    Inventors: George Trevor Dimond, Paul Rodney Sapsford
  • Patent number: 6660324
    Abstract: A method for fabricating viewing screen (100) includes the steps of: adding to a black surround paste a ductile metal paste, adding to the black surround paste lead titanate particles, depositing the black surround paste on glass substrate (110), and heating the black surround paste and glass substrate (110) to affix the black surround paste to glass substrate (110), thereby forming black matrix (111). The ductile metal paste and lead titanate particles are added in amounts sufficient to realize an extent of cracking in black matrix (111) upon repeated heating to a temperature within a range of 450-600° C. that is significantly less than that exhibited by an unimproved black matrix, which is made only from the material of the black surround paste.
    Type: Grant
    Filed: April 16, 2002
    Date of Patent: December 9, 2003
    Assignee: Motorola, Inc.
    Inventors: Shawn M. O'Rourke, Nick R. Munizza, Matthew Stainer
  • Publication number: 20030124246
    Abstract: The traditional production method of white light LED is adding YAG phospher on blue light chips which causes two-wavelength white light that is only suitable for indication usage. Moreover, the difficulty in controlling adequate amount of phosphor powder leads to inaccurate color of light. Another production method for three wavelength white light by UV chip arousing R.G.B.-mixed phosphor powder is degenerated in its life and quality due to lack of high-efficiency UV LED chips and UV-typed encapsulating resin.
    Type: Application
    Filed: June 20, 2002
    Publication date: July 3, 2003
    Applicant: Solidlite Corporation
    Inventor: Hsing Chen