Luminescent Device Patents (Class 250/483.1)
  • Patent number: 11131779
    Abstract: The present invention includes: a radiation detecting unit including a fluorescent body expressed by the formula ATaO4: B, C (in the formula, A is selected from at least one kind of element from among rare-earth elements involving 4f-4f transitions, B is selected from at least one kind of element, different from A, from among rare-earth elements involving 4f-4f transitions, and C is selected from at least one kind of element from among rare-earth elements involving 5d-4f transitions); an optical fiber that transmits photons generated by the fluorescent body; a light detector that converts the photons transmitted via the optical fiber 3 one by one into electrical pulse signals; a counter that counts the number of electrical pulse signals converted by the light detector; an analysis and display device 6 that obtains a radiation dose rate on the basis of the number of electrical pulse signals counted by the counter.
    Type: Grant
    Filed: January 30, 2018
    Date of Patent: September 28, 2021
    Assignee: HITACHI, LTD.
    Inventors: Shuichi Hatakeyama, Takahiro Tadokoro, Yuichiro Ueno, Yasushi Nagumo, Katsunori Ueno, Kouichi Okada
  • Patent number: 11099283
    Abstract: A scintillator panel includes a substrate having a substrate main surface, a substrate rear surface, and a substrate side surface; and a scintillator layer having a scintillator rear surface formed of a plurality of columnar crystals, a scintillator main surface, and a scintillator side surface. The substrate side surface and the scintillator side surface are substantially flush with each other. In the substrate, an angle between the substrate rear surface and the substrate side surface is smaller than 90 degrees.
    Type: Grant
    Filed: July 3, 2018
    Date of Patent: August 24, 2021
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Haruki Yamaji, Kazuhiro Shirakawa, Keisuke Goto, Hidenori Jonishi, Masashi Hatanaka, Jun Sakurai
  • Patent number: 11035964
    Abstract: A radiation detection system using time of flight (TOF) information within multiple optical fiber complexes coupled with a scintillating material at intersections of repeatedly crossing over shape. Light detectors are placed at the ends of each fiber to detect scintillation events. A timing processor is collecting light detector signal to compute TOF difference and estimate the location and strength of radioactivity. The system is scalable in one dimension, capable of being shaped or curved, and customizable in terms of special resolution and sensitivity. The system is suitable for long range and coarse radiation detection.
    Type: Grant
    Filed: April 29, 2020
    Date of Patent: June 15, 2021
    Assignee: JEFFERSON SCIENCE ASSOCIATES, LLC
    Inventor: Seung Joon Lee
  • Patent number: 11021615
    Abstract: Materials are disclosed for the safe sequestration and removal of hazardous contaminants from a surface. The materials can be sprayed, rolled, painted, brushed or dip coated onto any surface and allowed to dry and/or cure at room temperature or drying/curing can be accelerated by the application of heat to form a coating that entraps the contaminant therein. The coating and the entrapped contaminant can then peeled from the surface and safely disposed of to minimize hazardous waste. The coating includes a colorimetric additive that is specific to the contaminant, the coating and the contaminant producing a visual indication of contamination.
    Type: Grant
    Filed: May 31, 2017
    Date of Patent: June 1, 2021
    Assignee: INNOSENSE LLC
    Inventors: Uma Sampathkumaran, Kevin H. Yu, Raymond Winter
  • Patent number: 11011659
    Abstract: A mobile body=includes a reflection control layer that is formed on a surface of the mobile body, to absorb light in a wavelength region from 0.3 micrometer to 0.75 micrometer of incident sunlight, and emit light in a wavelength region from 0.75 micrometer to 100 micrometers.
    Type: Grant
    Filed: August 14, 2017
    Date of Patent: May 18, 2021
    Assignee: NISSAN MOTOR CO., LTD.
    Inventor: Yuichi Sato
  • Patent number: 10928526
    Abstract: A scintillation crystal can include a cesium halide that is co-doped with thallium and another element. In an embodiment, the scintillation crystal can include CsX:Tl, Me, where X represents a halogen, and Me represents a Group 5A element. In a particular embodiment, the scintillation crystal may have a cesium iodide host material, a first dopant including a thallium cation, and a second dopant including an antimony cation.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: February 23, 2021
    Assignee: SAINT-GOBAIN CERAMICS & PLASTICS, INC.
    Inventors: Fang Meng, Peter R. Menge
  • Patent number: 10907096
    Abstract: A scintillation compound can include a rare earth element that is in a divalent (RE2+) or a tetravalent state (RE4+). The scintillation compound can include another element to allow for better change balance. The other element may be a principal constituent of the scintillation compound or may be a dopant or a co-dopant. In an embodiment, a metal element in a trivalent state (M3+) may be replaced by RE4+ and a metal element in a divalent state (M2+). In another embodiment, M3+ may be replaced by RE2+ and M4+. In a further embodiment, M2+ may be replaced by a RE3+ and a metal element in a monovalent state (M1+). The metal element used for electronic charge balance may have a single valance state, rather than a plurality of valence states, to help reduce the likelihood that the valance state would change during formation of the scintillation compound.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: February 2, 2021
    Assignee: SAINT-GOBAIN CRISTAUX & DETECTEURS
    Inventors: Samuel Blahuta, Eric E. Mattmann, Damien Pauwels, Bruno Viana
  • Patent number: 10903064
    Abstract: A method of performing mass spectrometric analyses, comprises: (a) passing a stream of ions through a quadrupole mass analyzer; (b) intercepting a flux of ions emitted from an exit aperture of the quadrupole mass analyzer at a front face of a stack of multichannel plates and emitting a flux of electrons in response to the intercepted flux of ions at a rear face of the stack of multichannel plates; (c) intercepting the flux of electrons at a front surface of a scintillator comprising a phosphorescent material and emitting a flux of photons in response to the intercepted flux of ions at a rear surface of the scintillator; (d) receiving the flux of photons at a photo-imager; and (e) repositioning at least one of the scintillator and the stack of microchannel plates during the execution of one or more of the steps (a) through (d).
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: January 26, 2021
    Assignee: THERMO FINNIGAN LLC
    Inventor: Tsung-Chi Chen
  • Patent number: 10838083
    Abstract: Codoped alkali and alkaline earth halide scintillators are described. More particularly, the scintillators are codoped with tetravalent ions, such as Ti4+, Zr4+, Hf4+, Ge4+. The codoping can alter one or more optical and/or scintillation property of the scintillator material. For example, the codoping can improve energy resolution. Radiation detectors comprising the scintillators and methods of detecting high energy radiation using the radiation detectors are also described.
    Type: Grant
    Filed: February 13, 2019
    Date of Patent: November 17, 2020
    Assignee: University of Tennessee Research Foundation
    Inventors: Yuntao Wu, Charles L. Melcher
  • Patent number: 10741298
    Abstract: A scintillator panel has a barrier rib structure, whereby opposing light-receiving substrates can be aligned with high precision and bonded with a photoelectric conversion element. In the scintillator panel, cells demarcated by lattice shaped barrier ribs formed on a sheet-shaped base member are filled with a phosphor for receiving radiation and emitting light, thereby configuring a pixel structure. The scintillator panel has portions in which the lattice-shaped barrier ribs are exposed on both a front surface and a back surface in a portion of a non-display region of the panel external periphery. The exposed parts are optically transparent.
    Type: Grant
    Filed: March 23, 2017
    Date of Patent: August 11, 2020
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Nobuyasu Fujioka, Tomohiro Morinaga
  • Patent number: 10721446
    Abstract: A wavelength conversion element includes a wavelength conversion layer having a first surface on which excitation light is incident, a second surface located on the side opposite the first surface, a plurality of phosphor particles that convert the excitation light in terms of wavelength to produce fluorescence, and a binder that holds the plurality of phosphor particles. The plurality of phosphor particles have a particle diameter distribution, and the minimum particle diameter in the particle diameter distribution of a plurality of the phosphor particles contained in a first region located on the side facing the first surface is greater than the minimum particle diameter in the particle diameter distribution of a plurality of the phosphor particles contained in a second region located on the side facing the second surface.
    Type: Grant
    Filed: September 5, 2018
    Date of Patent: July 21, 2020
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Toshiaki Hashizume
  • Patent number: 10712649
    Abstract: A light source apparatus according to an aspect of the invention includes an excitation light source that emits excitation light, a wavelength conversion layer on which the excitation light is incident and which converts the wavelength of the excitation light to emit fluorescence, a plurality of traveling direction changers that are formed in the wavelength conversion layer and change the traveling direction of the fluorescence, and a substrate on which the wavelength conversion layer is provided. The substrate is rotated around an axis of rotation to change the position on which the excitation light is incident on the wavelength conversion layer over time, and the interval between the plurality of traveling direction changers is smaller than the size of the region on which the excitation light is incident.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: July 14, 2020
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Satoshi Kito
  • Patent number: 10669213
    Abstract: A method includes forming a ceramic member that has a plurality of closed pores within a ceramic matrix. The forming includes compacting a ceramic powder to form intra-particle pores between particles of the ceramic powder, and sintering the compacted ceramic powder to cause diffusion of the ceramic powder and formation of the ceramic matrix. The diffusion does not fill the intra-particle pores and leaves the closed pores.
    Type: Grant
    Filed: September 9, 2016
    Date of Patent: June 2, 2020
    Assignee: RAYTHEON TECHNOLOGIES CORPORATION
    Inventors: Susan M. Tholen, Christopher W. Strock
  • Patent number: 10651348
    Abstract: A light emitting device 1 includes: a substrate 30; and a phosphor layer 40 composed in such a manner that a large number of phosphor particles 60 are adhered onto a flat surface 32 of the substrate 30. At least one of the phosphor particles 60 is a polyhedral phosphor particle 65 that is monodispersed, is derived from a crystal structure of garnet and has facets, and a median particle size D50 of the polyhedral phosphor particle 65 is 30 ?m or more and a maximum thickness of the phosphor layer 40 or less. It is preferable that at least one of the phosphor particles 60 adhered onto the flat surface 32 of the substrate 30 is the polyhedral phosphor particle 65 that is monodispersed, is derived from the crystal structure of the garnet, and has the facets.
    Type: Grant
    Filed: May 30, 2019
    Date of Patent: May 12, 2020
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Youshin Lee, Shozo Oshio, Tatsuya Okuno, Takeshi Abe, Masahiro Nakamura
  • Patent number: 10607745
    Abstract: An object of the present invention is to provide a radiological image conversion screen where the flexibility and the storage stability of the radiological image conversion screen are sufficiently kept without phthalic acid ester while conventional sensitivity and sharpness being maintained, and another object thereof is to provide a radiological image conversion screen where a plasticizer in a phosphor layer is suppressed from volatilization and from transfer to other layers and/or films. The objects are solved by a radiological image conversion screen comprising a support substrate and a phosphor layer stacked on the support substrate, wherein the phosphor layer comprises phosphor particles, a polyvinyl acetal resin, and a carboxylic acid ester having an ether group.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: March 31, 2020
    Assignee: MITSUBISHI CHEMICAL CORPORATION
    Inventor: Masaaki Nakamura
  • Patent number: 10564201
    Abstract: In a general aspect, electromagnetic emissions from a cell tower are measured. In some aspects, a method includes receiving, at a vapor-cell sensor system associated with the cell tower, electromagnetic radiation from an antenna system disposed on the cell tower. The method includes receiving, at the vapor-cell sensor system, input optical signals communicated from a laser system through respective input optical channels. Output optical signals are generated in the vapor-cell sensor system based on the input optical signals and the electromagnetic radiation. The method additionally includes sending, from the vapor-cell sensor system, the output optical signals through one or more respective output optical channels to a detection system. Systems for measuring electromagnetic emissions from a cell tower are also presented.
    Type: Grant
    Filed: May 13, 2019
    Date of Patent: February 18, 2020
    Assignee: Quantum Valley Ideas Laboratories
    Inventor: James P. Shaffer
  • Patent number: 10539740
    Abstract: A waveguide comprises an un-tapered end and a tapered end. The waveguide progressively varies a numerical aperture (NA) of light as the light propagates from the tapered end to the un-tapered end.
    Type: Grant
    Filed: January 21, 2015
    Date of Patent: January 21, 2020
    Inventor: William R Holland
  • Patent number: 10490397
    Abstract: An ion detection system comprises: a stack of microchannel plates comprising a front face and a rear face, the stack disposed so as to receive, at the front face, a flux of ions from an exit aperture of a quadrupole and to emit, at the rear face, a flux of electrons in response to the received flux of ions; a scintillator having a front and a rear surface and disposed so as to receive the flux of electrons at the front surface and to emit, at the rear surface, a flux of photons in response to the received flux of electrons; a photo-imager configured to receive the flux of photons; a power supply; and first, second and third electrodes coupled to the power supply and disposed at the front face, rear face and first surface, respectively, wherein the scintillator comprises a single crystal plate of a phosphorescent material.
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: November 26, 2019
    Assignee: THERMO FINNIGAN LLC
    Inventor: Tsung-Chi Chen
  • Patent number: 10401725
    Abstract: A mask cover (10) and a mask are provided. The mask cover (10) comprises a bracket (11) and at least one adjusting unit (12), each adjusting unit (12) includes a shielding plate (121) and a driving component (122), the bracket (11) has an opening portion (111), and at least a portion of the opening portion (111) corresponds to the adjusting unit (12). The shielding plate (121) has a first end and a second end, the second end is fixed on the bracket (11), and the first end is an end opposite to the second end. The shielding plate (121) in an initial state is provided on a side of the opening portion (111).
    Type: Grant
    Filed: May 16, 2016
    Date of Patent: September 3, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhongyuan Sun, Wenqi Liu
  • Patent number: 10355175
    Abstract: A light emitting device 1 includes: a substrate 30; and a phosphor layer 40 composed in such a manner that a large number of phosphor particles 60 are adhered onto a flat surface 32 of the substrate 30. At least one of the phosphor particles 60 is a polyhedral phosphor particle 65 that is monodispersed, is derived from a crystal structure of garnet and has facets, and a median particle size D50 of the polyhedral phosphor particle 65 is 30 ?m or more and a maximum thickness of the phosphor layer 40 or less. It is preferable that at least one of the phosphor particles 60 adhered onto the flat surface 32 of the substrate 30 is the polyhedral phosphor particle 65 that is monodispersed, is derived from the crystal structure of the garnet, and has the facets.
    Type: Grant
    Filed: January 31, 2017
    Date of Patent: July 16, 2019
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Youshin Lee, Shozo Oshio, Tatsuya Okuno, Takeshi Abe, Masahiro Nakamura
  • Patent number: 10282091
    Abstract: A display based keyboard is described herein. The display based keyboard includes a bi-stable segmented-based display, a master controller, and a display driver. The bi-stable segmented-based display may include a front barrier layer, a top plane layer, a display technology specific layer, a back plane layer, and a rear barrier layer.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: May 7, 2019
    Assignee: Intel Corporation
    Inventors: Ayeshwarya Mahajan, Ramesh Pendakur, Sean Lawrence, Ankita Tapaswi, Rajib Mahapatra
  • Patent number: 10266759
    Abstract: Embodiments of composite scintillators which may include a scintillator material encapsulated in a plastic matrix material and their methods of use are described.
    Type: Grant
    Filed: January 30, 2015
    Date of Patent: April 23, 2019
    Assignee: Radiation Monitoring Devices, Inc.
    Inventors: Kanai S. Shah, Andrey Gueorguiev, Edgar V. Van Loef, Gary Markosyan
  • Patent number: 10174244
    Abstract: The present invention provides for a composition comprising an inorganic scintillator comprising a doped halide, useful for detecting nuclear material.
    Type: Grant
    Filed: April 17, 2014
    Date of Patent: January 8, 2019
    Assignee: The Regents of the University of California
    Inventors: Edith D. Bourret-Courchesne, Gregory A. Bizarri
  • Patent number: 10156578
    Abstract: System and method for detecting and measuring chemical perturbations in a sample. The system and method are useful for non-invasive pH monitoring of blood or blood products sealed in storage bags.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: December 18, 2018
    Assignee: Blood Cell Storage, Inc.
    Inventors: Michael W. Reed, Steven J. Geelhood, Paul C. Harris, Lynn M. Barker, Perry Hargrave, Oliver Z. Nanassy
  • Patent number: 10126432
    Abstract: A scintillator includes a scintillator layer including a phosphor and an augmenting agent and has an optical reflectance A1 at a wavelength 440 nm and an optical reflectance B1 at a wavelength 520 nm, wherein when an optical reflectance at the wavelength 440 nm is defined as A2 and an optical reflectance at the wavelength 520 nm is defined as B2 after exposure to 2,000 R of radiation, ratios between the optical reflectances “A=A2/A1” and “B=B2/B1” before and after exposure to radiation satisfy “0.70?A/B?1.10”.
    Type: Grant
    Filed: March 9, 2017
    Date of Patent: November 13, 2018
    Assignee: KONICA MINOLTA, INC.
    Inventors: Yasushi Nagata, Hiroshi Isa, Musashi Matsumoto
  • Patent number: 10036544
    Abstract: Illumination sources including a light generation portion comprising an LED assembly configured to output light at a first intensity while generating a first quantity of heat per unit time are disclosed. The heat dissipation portion comprises an MR-16 form factor heat sink configured to dissipate at least the first quantity of heat per unit time, wherein the light generation portion and the heat dissipation portion are characterized a first mass, and wherein a ratio of the first intensity to the first mass is within a range of about 10 lumens per gram to about 30 lumens per gram.
    Type: Grant
    Filed: July 18, 2013
    Date of Patent: July 31, 2018
    Assignee: Soraa, Inc.
    Inventor: Frank Tin Chung Shum
  • Patent number: 10032816
    Abstract: There is provided a solid-state imaging device including a substrate having a surface over which a plurality of photodiodes are formed, and a protection film that is transparent, has a water-proofing property, and includes a side wall part vertical to the surface of the substrate and a ceiling part covering a region surrounded by the side wall part, the side wall part and the ceiling part surrounding a region where the plurality of photodiodes are arranged over the substrate.
    Type: Grant
    Filed: February 4, 2016
    Date of Patent: July 24, 2018
    Assignee: Sony Corporation
    Inventors: Shinji Miyazawa, Yutaka Ooka
  • Patent number: 9985185
    Abstract: According to the invention, the diode with a single crystal phosphor placed over the chip selected from the InGaN, GaN or AlGaN group comprises the fact that the single crystal phosphor (21) is created from the monocrystalline ingot (51), created by LuYAG or YAP hosts, doped with the atoms selected from the Ce3+, Ti3+, Eu2+, C, Gd3+ or Ga3+ group, grown from the melt with the method selected from the Czochralski, HEM, Badgasarov, Kyropoulos or EFG group, when the Lu3+, Y3+ and Al3+ atoms can be replaced in the host up to the amount of 99.9% with the B3+, Gd3+ or Ga3+ atoms.
    Type: Grant
    Filed: April 22, 2014
    Date of Patent: May 29, 2018
    Assignee: CRYTUR, SPOL. S.R.O.
    Inventors: Jan Kubat, Jindrich Houzvicka, Jan Polak
  • Patent number: 9963269
    Abstract: A package for multi-instance photosensitive authentication includes a container, and a photochromic material non-removably carried by the container and irreversibly changeable upon exposure to ultraviolet (UV) light. The package also includes a UV protector carried over the photochromic material to protect the photochromic material from premature exposure to the UV light, and having multiple portions that are removable to expose multiple portions of the photochromic material to UV light and are irreplaceable once removed.
    Type: Grant
    Filed: May 21, 2015
    Date of Patent: May 8, 2018
    Assignee: Owens-Brockway Glass Container Inc.
    Inventors: Jessica R. Bryant, Roger P. Smith
  • Patent number: 9919234
    Abstract: A toy storage and activity apparatus includes a housing including a left housing portion and a right housing portion forming an interior volume, and a hinged joint connecting the left and right housing portions. The hinged joint enables separation of the housing into an open configuration to provide access to the interior volume. The left and the right housing portions each form one or more magnetic interior compartments within the interior volume. The magnetic interior compartments have magnetic surfaces suitable for attaching a magnetic toy character and other magnetic toy models. The three-dimensional magnetic surfaces further include interior-facing indicia depicting a scene or imagery.
    Type: Grant
    Filed: December 29, 2016
    Date of Patent: March 20, 2018
    Inventor: Rochelle Powell
  • Patent number: 9869778
    Abstract: Described is a scintillator screen including a plurality of filaments. Each of the plurality of filaments includes scintillating particles dispersed within a thermoplastic polymer. The thermoplastic polymer includes an elastic additive. The scintillating particles are from about 10 volume percent to about 60 volume percent of each of the plurality of filaments. Each of the plurality of filaments has a refractive index of greater than or equal to 1.5. The plurality of filaments are substantially parallel to each other and are at a volume packing of from about 60 percent to about 90 percent.
    Type: Grant
    Filed: November 8, 2013
    Date of Patent: January 16, 2018
    Inventors: Seshadri Jagannathan, Charles M. Rankin, David Gruszczynski, Jean-Marc Inglese, Kevin L. Bishop, Richard A. Lombardo
  • Patent number: 9810791
    Abstract: According to the embodiment, a radiation detector includes an array substrate including a photoelectric conversion element, a scintillator layer formed on the photoelectric conversion element and converting radiation to fluorescence, and a moisture-proof layer including a surface-smoothing layer which is a continuous film formed to cover the scintillator layer and including at least an organic resin material as a main component and a moisture-proof layer which is a continuous film formed on a surface of the smoothed layer by direct film formation and consisting from inorganic material.
    Type: Grant
    Filed: December 8, 2015
    Date of Patent: November 7, 2017
    Assignee: Toshiba Electron Tubes & Devices Co., Ltd.
    Inventor: Katsuhisa Homma
  • Patent number: 9742105
    Abstract: A protective cover and an electrical connector assembly having the protective cover are disclosed. The protective cover has a body formed of an at least partly transparent or translucent electrically insulating material and an opaque electrically conductive layer disposed on the body. The electrically conductive layer has a radiation window penetrable by optical radiation formed by a plurality of radiation passages.
    Type: Grant
    Filed: October 26, 2016
    Date of Patent: August 22, 2017
    Assignees: Tyco Electronics Raychem GmbH, TE Connectivity Germany GmbH
    Inventors: Norbert Mikli, Ladislaus Kehl
  • Patent number: 9670407
    Abstract: Provided is a rare earth phosphovanadate phosphor that is excellent in emission characteristics and preferred also from the viewpoint of industrial production, and a production method thereof. The rare earth phosphovanadate phosphor includes at least a primary particle in which a linear uneven pattern including a plurality of ridge lines parallel to each other is formed on the surface of the particle. Further, the method for producing a rare earth phosphovanadate phosphor involves generating a mixture of a rare earth phosphovanadate phosphor and an alkali metal vanadate, and removing the alkali metal vanadate.
    Type: Grant
    Filed: June 24, 2014
    Date of Patent: June 6, 2017
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventor: Shozo Oshio
  • Patent number: 9651207
    Abstract: An oxychloride phosphor of the present disclosure includes divalent Eu arranged as an augmenting agent, at part of locations. The locations correspond to site of at least two kinds of predetermined substances included in a host crystal. A rate of the number of the divalent Eu with respect to the sum of the number of moles of the predetermined substance and the number of moles of the divalent Eu is less than 2%. When the predetermined substance is represented by A, the oxychloride phosphor is represented by a general formula of xAO.yEuO.SiO2.zCl. In this formula, A represents Sr and Ca, or Sr, Ca, and Mg, y indicates a value of not less than 0.002 and not more than 0.02, x+y indicates a value of more than 1.00 and not more than 1.30, and z indicates a value of not less than 0.20 and not more than 0.70.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: May 16, 2017
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Kojiro Okuyama, Mitsuru Nitta, Osamu Inoue, Seigo Shiraishi
  • Patent number: 9645479
    Abstract: A light emitting element includes a base material having a rough surface and a phosphor layer which is directly or indirectly formed on the rough surface of the base material and includes a plurality of phosphor particles which are bonded to each other by a binder.
    Type: Grant
    Filed: March 23, 2015
    Date of Patent: May 9, 2017
    Assignee: Sony Corporation
    Inventors: Yuki Maeda, Takahiro Igarashi, Yutaka Imai
  • Patent number: 9638811
    Abstract: The invention relates to a system for detecting gamma radiation, such as a gamma camera, including a source of gamma rays, at least one plate P1 of a fast scintillator, the time thereof for rising to the light peak being less than 1 ns, said plate comprising a diffusing entry surface and a polished exit surface, having a thickness of no less than 10 mm, being provided with photodetectors and microelectronics for dedicated reading, characterized in that the microelectronics are of the ASIC type, in that the detector is segmented, and in that on said plate P1, each segment of said detector is capable of measuring a first trigger T1 such that a time resolution is lower than 100 ps; the detector can measure a space and time distribution of the first adjacent photons emitted by an event on the detectors for a time of more than 100 ps and no longer than the time for rising to the light peak of the scintillator.
    Type: Grant
    Filed: November 8, 2013
    Date of Patent: May 2, 2017
    Inventor: Alain Iltis
  • Patent number: 9638912
    Abstract: A method and apparatus for focusing a device for imaging a biologic sample is provided. A method aspect includes the steps of: disposing lenslets within a biologic sample, which lenslets have a height and a refractive index, which refractive index is different from that of the sample, wherein one or both of the imaging device and the sample are relatively locatable so a focal position of the imaging device can be moved along the height of the lenslets; imaging a portion of the sample including lenslets using transmittance at one or more wavelengths; determining an average light transmittance intensity of the sample at the wavelengths; determining an average light transmittance intensity of a region of each lenslet at the wavelengths; and determining the focal position of the imaging device using the average light transmittance intensity of the sample and the average light transmittance intensity of the region of the lenslets.
    Type: Grant
    Filed: June 17, 2013
    Date of Patent: May 2, 2017
    Assignee: Abbott Point of Care, Inc.
    Inventors: Stephen C. Wardlaw, Niten V. Lalpuria, Darryn W. Unfricht
  • Patent number: 9617470
    Abstract: An optical material used in a UV-excited yellow light-emitting material and an optical isolator, capable of emitting yellow light stably and highly efficiently even if a large current is fed to obtain the high luminance emission. The optical material used for the UV-excited yellow light-emitting material (2) and the optical isolator (210) is an oxide containing Ce, which is a terbium cerium aluminum garnet type single crystal wherein a part of terbium of a terbium aluminum garnet type single crystal is substituted by cerium. The ratio of number of moles of cerium to the total number of moles of terbium and cerium, namely the composition ratio of cerium, preferably falls within the range from 0.01 mol % to 50 mol %. A part of aluminum may be substituted by scandium or further by any one of terbium, cerium, yttrium, lutetium, ytterbium, and thulium.
    Type: Grant
    Filed: April 27, 2013
    Date of Patent: April 11, 2017
    Assignee: NATIONAL INSTITUTE FOR MATERIALS SCIENCE
    Inventors: Kiyoshi Shimamura, Encarnacion Antonia Garcia Villora
  • Patent number: 9557424
    Abstract: An object of the invention is to provide a scintillator panel which exhibits excellent cuttability and can be cut without the occurrence of problems such as the separation of a scintillator layer and which can give radiographic images such as X-ray images with excellent sensitivity and sharpness. The scintillator panel of the invention includes a reflective layer and a scintillator layer formed by deposition on a support, and the reflective layer includes light-scattering particles and a specific binder resin and has a specific thickness.
    Type: Grant
    Filed: July 2, 2015
    Date of Patent: January 31, 2017
    Assignee: KONICA MINOLTA, INC.
    Inventors: Tadashi Arimoto, Kiyoshi Hagiwara
  • Patent number: 9507032
    Abstract: In one embodiment, a material comprises a crystal comprising strontium iodide providing at least 50,000 photons per MeV, where the strontium iodide material is characterized by a volume not less than 1 cm3. In another embodiment, a scintillator optic includes europium-doped strontium iodide providing at least 50,000 photons per MeV, where the europium in the crystal is primarily Eu2+, and the europium is present in an amount greater than about 1.6%. A scintillator radiation detector in yet another embodiment includes a scintillator optic comprising SrI2 and BaI2, where a ratio of SrI2 to BaI2 is in a range of between 0:1 and 1.0, the scintillator optic is a crystal that provides at least 50,000 scintillation photons per MeV and energy resolution of less than about 5% at 662 keV, and the crystal has a volume of 1 cm3 or more; the scintillator optic contains more than about 2% europium.
    Type: Grant
    Filed: October 7, 2013
    Date of Patent: November 29, 2016
    Assignee: Lawrence Livermore National Security, LLC
    Inventors: Stephen A. Payne, Nerine J. Cherepy, Giulia E. Hull, Alexander D. Drobshoff, Arnold Burger
  • Patent number: 9493671
    Abstract: A UV cured varnish, and a process for preparing the same, said UV cured varnish including an epoxy acrylic resin, a polyurethane acrylic resin, a polymerizable monomer, a filler, a photoinitiator, and an adjuvant, wherein the polymerizable monomer comprises a fluorine containing polymerizable monomer and a silicon containing polymerizable monomer. The UV cured varnish can significantly improve the film forming performance. The formed film has a significantly improved performance including hardness, perspiration resistance. The UV cured varnish thus obtained is especially suitable for touch screen and can greatly extend the life of the touch screen.
    Type: Grant
    Filed: August 15, 2013
    Date of Patent: November 15, 2016
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lu Liu, Jianshe Xue, Guanbao Hui
  • Patent number: 9484481
    Abstract: A radiograph detector includes: a fluorescent layer, a bonding layer, and a light detector disposed in this order, wherein the fluorescent layer includes fluorescent particles, first binder resin, and second binder resin, and the second binder resin contains a binder polymer identical to a bonding layer forming polymer contained in the bonding layer.
    Type: Grant
    Filed: July 15, 2015
    Date of Patent: November 1, 2016
    Assignee: KONICA MINOLTA, INC.
    Inventors: Masashi Kondo, Hiromichi Shindou
  • Patent number: 9482763
    Abstract: One general embodiment according to the present disclosure may be formation evaluation tool for detecting radiation in a borehole in a volume of an earth formation. The tool may include a detector including a monolithic scintillation element comprising a coherent assemblage of joined fibers, wherein the fibers are made of an optically transparent scintillation media. The fibers may be at least one of i) gamma ray responsive; and ii) neutron responsive. The coherent assemblage of fibers may be a continuous mass, may be heat-joined. The fibers may be solid. The scintillation media may comprise at least one of i) organic crystalline scintillation materials, ii) amorphous glass, and iii) nanostructured glass ceramics. The coherent assemblage of fibers may be asymmetric. The coherent assemblage of fibers may surround a further scintillation media having different scintillation characteristics than the scintillation media. The scintillation element may be azimuthally sensitive.
    Type: Grant
    Filed: May 8, 2014
    Date of Patent: November 1, 2016
    Assignee: BAKER HUGHES INCORPORATED
    Inventors: Maxim Vasilyev, Toyli Anniyev, Valery N. Khabashesku, Andrey Federov, Mikhail Korjik, Gregor Chubaryan
  • Patent number: 9372268
    Abstract: A method for erasing bright burn includes: applying, to a scintillator, visible light having an intensity peak at a wavelength in the range of 405 nm to 500 nm, wherein the scintillator includes cesium iodide and is provided in a radiographic imaging device having a photoelectric transducer.
    Type: Grant
    Filed: October 31, 2014
    Date of Patent: June 21, 2016
    Assignee: KONICA MINOLTA, INC.
    Inventors: Masashi Kondo, Kei Isoda
  • Patent number: 9324469
    Abstract: An intensifying screen for exposing X-ray film includes a screen support backing, a luminescent layer having a luminescent material that emits light in the presence of X-rays, and a reflective layer disposed between the luminescent layer and the screen support backing, the reflective layer including a plurality of micro-prisms that reflect light emitted by the luminescent material. An X-ray film cassette includes at least one intensifying screen and a housing surrounding the at least one intensifying screen.
    Type: Grant
    Filed: October 31, 2014
    Date of Patent: April 26, 2016
    Inventor: Geraldine M. Hamilton
  • Patent number: 9279891
    Abstract: Compositions and methods are described for transparent glass composite having nanoparticles therein that scintillate in the presence of nuclear radiation, particularly gamma rays, but also x-rays, alpha particles, beta particles, and neutrons. The transparent glass composites can be prepared by a melt/cool process to produce the transparent glass composite. The wavelength of light emitted by the transparent glass composite can be tailored based on the materials used to make the glass composite. A detector that utilizes the transparent glass composite can measure nuclear radiation from numerous sources.
    Type: Grant
    Filed: March 29, 2012
    Date of Patent: March 8, 2016
    Assignee: Georgia Tech Research Corporation
    Inventors: Zhitao Kang, Brent Karl Wagner, Jason Hayes Nadler, Robert Rosson, Bernd Kahn, Meredith Brooke Barta
  • Patent number: 9182505
    Abstract: A scintillator crystal includes a plurality of first crystal phases and a second crystal phase located around the plurality of the first crystal phases, in which each of the plurality of the first crystal phases contains a sulfate, the second crystal phase contains an alkali halide that emits light by irradiation with radiation, and the refractive index of each of the first crystal phases is lower than the refractive index of the second crystal phase.
    Type: Grant
    Filed: September 25, 2014
    Date of Patent: November 10, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Ryoko Ueyama, Nobuhiro Yasui, Toru Den
  • Patent number: 9171749
    Abstract: A method of removing a handler wafer. There is provided a handler wafer and a semiconductor device wafer having a plurality of semiconductor devices, the semiconductor device wafer having an active surface side and an inactive surface side. An amorphous carbon layer is applied to a surface of the handler wafer. An adhesive layer is applied to at least one of the amorphous carbon layer of the handler wafer and the active surface side of the semiconductor device wafer. The handler wafer is joined to the semiconductor device wafer through the adhesive layer or layers. Laser radiation is applied to the handler wafer to cause heating of the amorphous carbon layer that in turn causes heating of the adhesive layer or layers. The plurality of semiconductor devices of the semiconductor device wafer are then separated from the handler wafer.
    Type: Grant
    Filed: November 13, 2013
    Date of Patent: October 27, 2015
    Assignee: GLOBALFOUNDRIES U.S.2 LLC
    Inventors: Bing Dang, Sarah H. Knickerbocker, Douglas C. La Tulipe, Jr., Spyridon Skordas, Cornelia K. Tsang, Kevin R. Winstel
  • Patent number: 9136029
    Abstract: A scintillator panel 1 and a radiation image sensor 10 in which characteristics can be changed easily at the time of manufacture are provided. The scintillator panel 1 comprises a scintillator 3 having an entrance surface 3a for a radiation; a FOP 2, arranged on an opposite side of the scintillator 3 from the entrance surface 3a, for transmitting the light generated by the scintillator 3; and a resin layer 5, formed from a resin containing a color material on the entrance surface 3a side of the scintillator 3, for performing at least one of absorption and reflection of the light generated by the scintillator 3.
    Type: Grant
    Filed: May 16, 2011
    Date of Patent: September 15, 2015
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Shintaro Toyama, Yutaka Kusuyama, Masanori Yamashita, Hirotake Osawa, Munenori Shikida