Having Particular Optical Characteristic Modifying Chemical Composition Patents (Class 385/141)
  • Patent number: 11867946
    Abstract: An optical subassembly includes a planar dielectric waveguide structure that is deposited at temperatures below 400° C. The waveguide provides low film stress and low optical signal loss. Optical and electrical devices mounted onto the subassembly are aligned to planar optical waveguides using alignment marks and stops. Optical signals are delivered to the submount assembly via optical fibers. The dielectric stack structure used to fabricate the waveguide provides cavity walls that produce a cavity, within which optical, optoelectronic, and electronic devices can be mounted. The dielectric stack is deposited on an interconnect layer on a substrate, and the intermetal dielectric can contain thermally conductive dielectric layers to provide pathways for heat dissipation from heat generating optoelectronic devices such as lasers.
    Type: Grant
    Filed: December 26, 2022
    Date of Patent: January 9, 2024
    Assignee: POET Technologies, Inc.
    Inventors: William Ring, Miroslaw Florjanczyk
  • Patent number: 11733461
    Abstract: A multi-path interference filter. The multi-path interference filter includes a first port waveguide, a second port waveguide, and an optical structure connecting the first port waveguide and the second port waveguide. The optical structure has a first optical path from the first port waveguide to the second port waveguide, and a second optical path, different from the first optical path, from the first port waveguide to the second port waveguide. The first optical path has a portion, having a first length, within hydrogenated amorphous silicon. The second optical path has a portion, having a second length, within crystalline silicon, and the second optical path has either no portion within hydrogenated amorphous silicon, or a portion, having a third length, within hydrogenated amorphous silicon, the third length being less than the first length.
    Type: Grant
    Filed: March 29, 2021
    Date of Patent: August 22, 2023
    Assignee: Rockley Photonics Limited
    Inventor: Andrea Trita
  • Patent number: 11675221
    Abstract: An optical switch structure includes a substrate, a first electrical contact, and a first material having a first conductivity type electrically connected to the first electrical contact. The optical switch structure also includes a second material having a second conductivity type coupled to the first material, a second electrical contact electrically connected to the second material, and a waveguide structure disposed between the first electrical contact and the second electrical contact. The waveguide structure includes a waveguide core coupled to the substrate and including a core material characterized by a first index of refraction and a waveguide cladding at least partially surrounding the waveguide core and including a cladding material characterized by a second index of refraction less than the first index of refraction and an isotope-enhanced Pockels effect.
    Type: Grant
    Filed: February 16, 2022
    Date of Patent: June 13, 2023
    Assignee: Psiquantum, Corp.
    Inventor: Gary Gibson
  • Patent number: 11675246
    Abstract: A electronic method, includes receiving, by a graphene structure, a microwave signal. The microwave signal has a driving voltage level. The electronic method includes generating, by the graphene structure, optical photons based on the microvolts. The electronic method includes outputting, by the graphene structure, the optical photons.
    Type: Grant
    Filed: April 3, 2022
    Date of Patent: June 13, 2023
    Assignee: Abu Dhabi University
    Inventors: Montasir Yousof Abdallah Qasymeh, Hichem El Euch
  • Patent number: 11634351
    Abstract: The present disclosure provides a method for sintering of an optical fibre preform. The method includes manufacturing of the optical fibre preform. In addition, the method includes drying and sintering of the optical fibre preform. In addition, drying and sintering of the optical fibre preform results into a sintered optical fibre preform. Further, the method includes preparation of a glass rod from the sintered optical fibre preform. Furthermore, the method includes insertion of the glass rod into a centreline hole of the silica soot preform. The centreline hole is created by removing mandrel from the silica soot preform. Moreover, the method includes drying and sintering of the silica soot preform. Also, drying and sintering of the silica soot results into a sintered silica soot preform. Also, the method includes drawing of a rod from the sintered silica soot preform.
    Type: Grant
    Filed: August 13, 2020
    Date of Patent: April 25, 2023
    Assignee: Sterlite Technologies Limited
    Inventors: Hima Harode, Rahul Prasad, Shubhanshu Agarwal
  • Patent number: 11624965
    Abstract: An optical waveguide device includes an intermediate layer, a thin-film LN layer including X-cut lithium niobate, and a buffer layer stacked on a substrate; an optical waveguide formed in the thin-film LN layer; and an electrode for driving. The intermediate layer is formed by an upper first intermediate layer and a lower second intermediate layer, the second intermediate layer having a permittivity that is smaller than a permittivity of the first intermediate layer.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: April 11, 2023
    Assignee: FUJITSU OPTICAL COMPONENTS LIMITED
    Inventors: Shuntaro Makino, Yoshinobu Kubota, Yasuhiro Ohmori, Masaharu Doi, Teruo Kurahashi
  • Patent number: 11619780
    Abstract: A thermal compensator, for use in connection with arrayed waveguide grating (AWG) modules which are, in turn, utilized in conjunction with wavelength multiplexing and de-multiplexing within optical networks, is disclosed. The thermal compensator comprises a bow-shaped frame member, a central bar member, and a screw. The bow-shaped frame member is characterized by a higher or great coefficient of thermal expansion (CTE) than that of the central bar member such that the bow-shaped frame member can expand and elongate at a greater rate than can the central bar member under hot temperature conditions, however, under cold temperature conditions, the rate of contraction of the bow-shaped member is effectively retarded by the slower rate of contraction of the central bar member.
    Type: Grant
    Filed: February 28, 2019
    Date of Patent: April 4, 2023
    Assignee: Molex, LLC
    Inventors: Shuyu Zhang, Glenn Lee, Mike Chia Huang, Taizhong Huang
  • Patent number: 11543588
    Abstract: A method for depositing silicon oxynitride film structures is provided that is used to form planar waveguides. These film structures are deposited on substrates and the combination of the substrate and the planar waveguide is used in the formation of optical interposers and subassemblies. The silicon oxynitride film structures are deposited using low thermal budget processes and hydrogen-free oxygen and hydrogen-free nitrogen precursors to produce planar waveguides that exhibit low losses for optical signals transmitted through the waveguide of 1 dB/cm or less. The silicon oxynitride film structures and substrate exhibit low stress levels of less than 20 MPa.
    Type: Grant
    Filed: October 25, 2021
    Date of Patent: January 3, 2023
    Inventors: William Ring, Miroslaw Florjanczyk, Suresh Venkatesan
  • Patent number: 11509112
    Abstract: A Lidar system includes a tunable laser configured to generate an output light signal and a photodiode array for receiving light from the tunable laser reflected from a target object. The tunable laser includes a feedback loop including a Mach-Zender interferometer, MZI, receiving the output light signal from the tunable laser, in which the MZI includes two optical paths receiving the output light signal. A phase shifter is provided in one optical path that is operable to produce a pre-determined shift in the phase angle of the light signal passing through the one optical path relative to the phase angle of the light signal passing through the other optical path. A photodiode configured to detect the interference signal generated by the MZI is operable to generate a photodiode current in response thereto. Circuitry converts the photodiode current to a control signal for controlling the tunable laser.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: November 22, 2022
    Assignee: Robert Bosch GmbH
    Inventors: Ken Wojciechowski, Behnam Behroozpour
  • Patent number: 11467340
    Abstract: An optical fiber according to an embodiment includes a core, a cladding, and a coating layer. At the boundary between the core and the cladding, the local sound velocity decreases in the direction from the core side toward the cladding side. At least in the cladding, the local sound velocity changes continuously in a radial direction. Further, the line width of the Brillouin gain of the light beam guided by the fundamental mode is 60 MHz or more.
    Type: Grant
    Filed: December 14, 2020
    Date of Patent: October 11, 2022
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventor: Takemi Hasegawa
  • Patent number: 11448841
    Abstract: Embodiments of an optical fiber cable are provided. The optical fiber cable includes an outer jacket, an inner jacket, a porous insulating layer, and at least one optical fiber. The outer jacket has a first thickness between its inner surface and its outer surface. The inner jacket has a second thickness between its inner surface and its outer surface. The inner jacket is disposed within the outer jacket. The porous insulating layer is disposed between the inner jacket and the outer jacket. The porous insulating layer is configured to reduce the transfer of heat to the inner jacket during combustion of the outer jacket. The optical fiber is disposed within the inner jacket. In the optical fiber cable, the first thickness is less than the second thickness, and each of the outer jacket and the inner jacket include at least one flame retardant additive.
    Type: Grant
    Filed: January 26, 2021
    Date of Patent: September 20, 2022
    Assignee: CORNING RESEARCH & DEVELOPMENT CORPORATION
    Inventors: Harold Edward Hudson, II, William Carl Hurley
  • Patent number: 11316593
    Abstract: An optical data transmission system and method for, at an optical transmitter, converting to a second wavelength, an optical data signal at a first wavelength; transmitting at the second wavelength, the optical data signal to an optical receiver over an optical path; and transmitting at the first wavelength, to the receiver over the path a single-photon signal comprising a stream of single photons. The optical path is configured to carry optical signals at different wavelengths and the optical path attenuates signals at the first wavelength less than the optical path attenuates signals at the second wavelength. The optical data transmission system and method for, at the receiver, receiving the single-photon signal at the first wavelength and receiving the optical data signal at the second wavelength; and converting the optical data signal to the first wavelength for detection.
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: April 26, 2022
    Assignee: British Telecommunications Public Limited Company
    Inventor: Andrew Lord
  • Patent number: 11281067
    Abstract: A photonic waveguide assembly has a first arm comprising a first photonic waveguide transmitting a first light, an optical refractive index modulator positioned about said first photonic waveguide to modulate the phase or amplitude, or combination thereof of the first light traveling in the first photonic waveguide; a second arm comprising a second photonic waveguide transmitting a second light; and a passive contact that contacts at least a portion of the second photonic waveguide of said second arm.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: March 22, 2022
    Assignee: The George Washington University
    Inventors: Rubab Amin, Volker J. Sorger
  • Patent number: 11192181
    Abstract: The invention relates to a process for preparing a dichromatic material, in the form of a translucent film, comprising monodisperse nanoparticles formed of gold and optionally of a noble metal chosen from platinum, palladium, silver and copper, and at least one organic macromolecule chosen from proteins, polysaccharides and synthetic polymers; said dichromatic material; and the uses thereof.
    Type: Grant
    Filed: July 21, 2016
    Date of Patent: December 7, 2021
    Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE PARIS DIDEROT-PARIS 7
    Inventors: Olivier Pluchery, Hynd Remita Bosi, Delphine Schaming
  • Patent number: 11042000
    Abstract: An optical cable comprises a group of optical modules. Each of the optical modules comprises a strength member, a plurality of optical fibers arranged about the strength member, the plurality of optical fibers being arranged substantially on a circumference concentric with the strength member, and a retaining element arranged about the plurality of optical fibers. The strength member is covered by a coating, and the plurality of optical fibers are at least partly embedded within the coating. The optical cable comprises an outer sheath around the group of optical modules. The optical cable does not have a central strength member.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: June 22, 2021
    Assignee: PRYSMIAN S.p.A.
    Inventors: Ian Dewi Lang, Lee Anthony Spicer, Martin Vincent Davies
  • Patent number: 10816732
    Abstract: Embodiments of an optical adhesive are provided. The optical adhesive includes about 20% to about 60% by volume of first monomers. The first monomers have at least two acrylate or methacrylate groups. The optical adhesive also includes about 40% to about 80% by volume of second monomers. The second monomers have at least one fluorine atom and at least one acrylate or methacrylate group. The optical adhesive has a refractive index of from about 1.40 to about 1.55, and in the temperature range of about 10° C. to about 85° C., the refractive index of the optical adhesive has a thermal drift dn/dT of less than about ?4×10?4/° C. Embodiments of a mechanical joint between two optical fiber segments using the optical adhesive and embodiments of a method for joining two optical fiber segments are also provided.
    Type: Grant
    Filed: October 11, 2019
    Date of Patent: October 27, 2020
    Assignee: Corning Research & Development Corporation
    Inventor: Shawn Michael O'Malley
  • Patent number: 10803578
    Abstract: The invention provides systems and methods for imaging a sample. In various embodiments, the invention provides a system comprising an image sensor, a laser for emitting excitation light for an infrared or near-infrared fluorophore, a visible light source, a notch beam splitter, a notch filter, a synchronization module, an image processing unit, an image displaying unit, and light-conducting channels. In various embodiments, the present invention provides a system comprising an image sensor, a laser for emitting excitation light for an infrared or near-infrared fluorophore, a laser clean-up filter, a notch filter, a white light source, an image processing unit, an image displaying unit, and light-conducting channels. In accordance with the present invention, the image sensor can detect both visible light and infrared light.
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: October 13, 2020
    Assignee: Cedars-Sinai Medical Center
    Inventors: Pramod Butte, Adam Mamelak
  • Patent number: 10775558
    Abstract: A single mode optical fiber includes: (i) a silica based core having a refractive index profile with an alpha (?) between 1.8 and 200, a relative refractive index ?1max %, and an outer radius r1, wherein 7 microns>r1?4.5 microns, the core further comprising silica doped with chlorine, wherein the maximum chlorine concentration in the core is greater than 0.5 wt %; and wherein 1.40<X<1.7 where X=[(2?n1(2?1max % r12)1/2/Vc)+(0.0028*Vm)], n1 is maximum refractive index of the core, Vm is moat volume, and Vc is a function of core alpha (?) and (ii) an outer cladding region surrounding the first cladding region, the outer cladding region having a relative refractive index ?4% such that ?1max>?4%.
    Type: Grant
    Filed: January 29, 2019
    Date of Patent: September 15, 2020
    Assignee: Corning Incorporated
    Inventors: Dana Craig Bookbinder, Ming-Jun Li, Pushkar Tandon
  • Patent number: 10718908
    Abstract: An optical fiber array with high reliability, which relates to the technical field of optical fibers is disclosed. The optical fiber array is composed of three parts, namely, optical fiber positioning substrate (1), cover plate (2) and optical fiber ribbon (3). One end of the optical fiber ribbon is striped to be a naked fiber (4). The naked fiber (4) is pressed into the micro-groove array of the optical fiber positioning substrate (1) by the cover plate (2) and glued and fixed with a glue layer (5), and a transitional region between the stripped part and the unstripped part of the optical fiber ribbon (3) is glued and fixed onto a rear half of the optical fiber positioning substrate (1) with the glue layer (5). It has a reasonable and novel structural design.
    Type: Grant
    Filed: October 26, 2017
    Date of Patent: July 21, 2020
    Assignee: Senko Advanced Components, Inc
    Inventor: Kaifa Yang
  • Patent number: 10705268
    Abstract: Embodiments of the present disclosure generally relate to a method for forming an optical component, for example, for a virtual reality or augmented reality display device. In one embodiment, the method includes forming a first layer on a substrate, and the first layer has a first refractive index. The method further includes pressing a stamp having a pattern onto the first layer, and the pattern of the stamp is transferred to the first layer to form a patterned first layer. The method further includes forming a second layer on the patterned first layer by spin coating, and the second layer has a second refractive index greater than the first refractive index. The second layer having the high refractive index is formed by spin coating, leading to improved nanoparticle uniformity in the second layer.
    Type: Grant
    Filed: September 4, 2018
    Date of Patent: July 7, 2020
    Assignee: Applied Materials, Inc.
    Inventors: Jinxin Fu, Ludovic Godet, Wayne McMillan
  • Patent number: 10627589
    Abstract: An optical cable includes an optical module which includes a strength member, a plurality of optical fibers arranged about the strength member, the optical fibers being arranged substantially on a circumference concentric with the strength member, and a retaining element arranged about the plurality of optical fibers.
    Type: Grant
    Filed: May 28, 2015
    Date of Patent: April 21, 2020
    Assignee: PRYSMIAN S.p.A.
    Inventors: Ian Dewi Lang, Lee Anthony Spicer, Martin Vincent Davies
  • Patent number: 10585254
    Abstract: A method for providing a vertical optical via for a semiconductor substrate is described. The semiconductor substrate has a front surface and a back side. A hard mask having an aperture therein is formed on the front surface. Part of the semiconductor substrate exposed by the aperture is removed to form a via hole. The via hole has a width not exceeding one hundred micrometers and a bottom. Cladding layer(s) and core layer(s) are provided in the via hole. The core layer(s) have at least a second index of refraction greater than that of the core layer(s). A portion of the semiconductor substrate including the back side is removed to expose a bottom portion of the core layer(s) and a bottom surface of the semiconductor substrate. The vertical optical via includes the cladding and core layers. The vertical optical via extends from the front surface to the bottom surface.
    Type: Grant
    Filed: April 27, 2018
    Date of Patent: March 10, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Daniel N. Carothers, Titash Rakshit
  • Patent number: 10551544
    Abstract: An optical device includes a lightguide having a first pair of external surfaces parallel to each other, and at least two sets of facets. Each of the sets including a plurality of partially reflecting facets parallel to each other, and between the first pair of external surfaces. In each of the sets of facets, the respective facets are at an oblique angle relative to the first pair of external surfaces, and at a non-parallel angle relative to another of the sets of facets. The optical device is particularly suited for optical aperture expansion.
    Type: Grant
    Filed: May 13, 2018
    Date of Patent: February 4, 2020
    Assignee: Lumus Ltd.
    Inventors: Yochay Danziger, Elad Axel Sharlin
  • Patent number: 10431455
    Abstract: The interaction between multiple intense ultrashort laser pulses and solids typically produces a regular nanoscale surface corrugation. A coupled mechanism has been identified that operates in a specific range of fluences in GaAs that exhibits transient loss of the imaginary part of the dielectric function and X2, which produces a unique corrugation known as high spatial frequency laser induced periodic surface structures (HSFL). This mechanism is unique in that the corrugation does not involve melting or ablation.
    Type: Grant
    Filed: September 16, 2016
    Date of Patent: October 1, 2019
    Assignee: THE REGENTS OF THE UNIVERSITY OF MICHIGAN
    Inventors: Michael J. Abere, Steven Yalisove, Ben Torralva
  • Patent number: 10379681
    Abstract: Disclosed is a touch sensor including a plurality of first optical waveguides arranged in a stripe form, a plurality of second optical waveguides located over the plurality of first optical waveguides, arranged in a stripe form, and intersecting the plurality of first optical waveguides, and an intermediate layer between the plurality of first optical waveguides and the plurality of second optical waveguides. Each of the plurality of first optical waveguides and the plurality of second optical waveguides includes a core including an elastomer as well as a clad in contact with the core other than side surfaces of the core perpendicular to a longitudinal direction of the core. The intermediate layer has a modulus of elasticity higher than that of the elastomer.
    Type: Grant
    Filed: July 6, 2017
    Date of Patent: August 13, 2019
    Assignee: Japan Display Inc.
    Inventor: Hsiang-Yuan Cheng
  • Patent number: 10352521
    Abstract: In various embodiments, a vehicle lamp is provided. The vehicle lamp includes at least one semiconductor light source, at least one light emission body, and a concentrator arranged between the at least one semiconductor light source and the respective light emission body. A larger light entrance area of the concentrator is separated from the at least one semiconductor light source by a gap. The concentrator at its smaller light exit area transitions into the light emission body. The light emission body has at least one region covered with a partly transmissive layer.
    Type: Grant
    Filed: January 11, 2017
    Date of Patent: July 16, 2019
    Assignee: OSRAM GmbH
    Inventors: Tobias Schmidt, Stephan Malkmus
  • Patent number: 10302601
    Abstract: A chemical detector for rapid, simultaneous detection of multiple chemicals including chemical warfare agents, toxic industrial chemicals, and explosives having one or more gas chromatography columns each with a chemosorbent or a chemo-reactive stationary phase and an infrared-transparent base, a bright infrared light source, a mechanism to direct the light source to any point along any of the columns, and an infrared sensor. Another disclosed detector has one or more gas chromatography columns each on the surface of a substrate having at least one infrared-transparent waveguide pattern, a bright infrared light source, and at least one ring resonator for each column, where each ring resonator is coated with a chemosorbent or a chemo-reactive stationary phase, and where each ring resonator spectroscopically probes the stationary phase. Also disclosed are the related methods for chemical detection.
    Type: Grant
    Filed: March 21, 2017
    Date of Patent: May 28, 2019
    Assignee: The United States of America, as represented by the Secretary of the Navy
    Inventors: R. Andrew McGill, Robert Furstenberg, Viet K. Nguyen, Chris Kendziora, Michael Papantonakis, Todd H. Stievater
  • Patent number: 10253143
    Abstract: An object of the present invention is to provide a novel monolayer and multilayer film that can be employed also for use in interior and exterior members of vehicles, and that have excellent transparency, surface hardness, chemical resistance, and stain resistance such as lactic acid resistance and sunscreen resistance. The present invention is directed to a fluororesin film formed with (C) a fluororesin comprising (B) a fluorinated (meth)acrylic resin that contains a fluorine-containing alkyl(meth)acrylate polymer component; and a fluororesin-laminated acrylic resin film, wherein the fluororesin film layer is laminated on at least one face of a film layer comprising (A) an acrylic resin.
    Type: Grant
    Filed: June 10, 2009
    Date of Patent: April 9, 2019
    Assignee: KANEKA CORPORATION
    Inventors: Kouji Morita, Yukihiro Shimamoto, Kazuhito Wada, Taizo Aoyama
  • Patent number: 10185083
    Abstract: A waveguide for high efficiency transmission of high energy light useful in ablation procedures at predetermined bandwidths over predetermined distances comprising: an optical fiber core; a silanization agent; layered cladding surrounding the optical fiber core comprising: a first thin metal layer comprising at least two types of metals the first thin metal layer covalently bonded to the core and a second thin metal layer bonded to the second metal layer, and a catalyst component; wherein the silanization agent comprising organofunctional alkoxysilane molecule, such as 3-aminopropyltriethoxysilane (APTS), is a self supporting bridge between the surface of the optical fiber and the first metal layer; the first metal layer is uniformly chemisorbed onto the surface of the optical fiber by means of covalent Si—O—Si bonds with the optical fiber; further wherein the catalyst component derived from an activation solution for enhancing the layered cladding upon the optical fiber.
    Type: Grant
    Filed: October 6, 2017
    Date of Patent: January 22, 2019
    Inventors: Alexander Zilberman, Angelika Sokolowa, David Mizrahi
  • Patent number: 10130264
    Abstract: A polysiloxane elastomer containing liquid crystal lateral chain, and a smart watch made therefrom are disclosed. The polysiloxane elastomer containing liquid crystal lateral chain includes a polysiloxane backbone chain and a lateral chain formed by a liquid crystalline monomer and connected with the polysiloxane backbone chain, wherein the polysiloxane backbone chain is crosslinked by a crosslinking agent.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: November 20, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELETRONICS TECHNOLOGY CO., LTD.
    Inventors: Xiaojuan Wu, Jian Wang
  • Patent number: 10095020
    Abstract: A probe can be provided having a grating adapted for color spectrally encoded imaging. The probe can include a waveguide configuration, a light focusing configuration, and a grating configuration that can have a first grating pattern and a second grating pattern. The waveguide configuration can be configured and/or structured to cause to propagate a light having a first wavelength and a light having a second wavelength to propagate from the waveguide component, and the light focusing and waveguide configurations can provide the light to be incident on the grating configuration. The grating configuration can be configured and arranged such that the light having the first wavelength is diffracted by the first grating pattern to substantially the same location as the light having the second wavelength is diffracted by the second grating pattern.
    Type: Grant
    Filed: January 30, 2015
    Date of Patent: October 9, 2018
    Assignees: Canon U.S.A., Inc., The General Hospital Corporation
    Inventors: Guillermo J. Tearney, Dongkyun Kang, Mitsuhiro Ikuta
  • Patent number: 10092927
    Abstract: Ultrathin layers of organic polymers or organic-inorganic hybrid polymers are deposited onto a substrate using molecular layer deposition methods. The process uses vapor phase materials which contain a first functional group and react only monofunctionally at the surface to add a unit to the polymer chain. The vapor phase reactant in addition has a second functional group, which is different from the first functional group, or a blocked, masked or protected functional group, or else has a precursor to such a functional group.
    Type: Grant
    Filed: November 13, 2007
    Date of Patent: October 9, 2018
    Assignee: The Regents of the University of Colorado, a Body Corporate
    Inventors: Steven M. George, Arrelaine Allen Dameron, Nicole Marie Adamczyk Keaner, Byunghoon Yoon
  • Patent number: 10082630
    Abstract: A heat-reduced package of an optical fiber head comprising a delivery optical fiber (DOF), a cladding mode stripper, an optical end cap, a beam shaper, a window, and a housing operates for delivering the laser light from DOF to free space with a uniform temperature gradient inside the housing while maintaining beam quality. The cladding mode stripper comprising a section of cladding-exposed DOF inside bore of the glass ferrule fused together is effective to remove cladding modes from DOF. The optical end cap comprising a corrugated structure is configured to deflect the cladding modes, reduce optical feedback, and facilitate optical and thermal dispersion. The housing comprises another corrugated structure on an inner wall to absorb undesired optical energy. The housing may further comprise a cooling slot to disperse the heat accumulated in the housing to its surroundings.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: September 25, 2018
    Assignee: Lightel Technologies, Inc.
    Inventors: Chungho Hsia, Pai-Sheng Shen
  • Patent number: 10081919
    Abstract: The present invention provides for synthetic turf infill materials and methods of making such materials wherein the surfaces of the materials have been modified with hydrophilic properties. The various exemplary embodiments of the present invention include a method to modify the surface of synthetic turf infill through coating, crosslinking or other methods. The surface of the infill is modified to become substantially hydrophilic with low contact angles. The present invention also provides a process for producing surfaces with hydrophilic properties.
    Type: Grant
    Filed: January 9, 2017
    Date of Patent: September 25, 2018
    Inventor: Christopher Tetrault
  • Patent number: 10048436
    Abstract: An optical fiber includes an optical transmission medium having a core and a cladding; a primary resin layer disposed in contact with the optical transmission medium to coat the optical transmission medium; and a secondary resin layer coating the primary resin layer, wherein the primary resin layer comprises a cured product of an ultraviolet light curable resin composition comprising a urethane (meth)acrylate oligomer, a monomer and a photopolymerization initiator, and a compound containing phosphorus and tin as constituent atoms; and a Young's modulus of the primary resin layer is 0.5 MPa or less at 23° C.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: August 14, 2018
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Yuya Homma, Kazuyuki Sohma, Kensaku Shimada
  • Patent number: 10035284
    Abstract: UV-curable glass fiber sizing compositions, glass fibers sized with a UV-curable sizing composition, sizing methods, and composites comprising such UV-curable sized glass fibers are disclosed.
    Type: Grant
    Filed: December 2, 2014
    Date of Patent: July 31, 2018
    Assignee: OCV Intellectual Capital, LLC
    Inventors: Patrick Moireau, Xavier Allonas, Celine Croutxe-Barghorn, Remi Pynaert
  • Patent number: 9791109
    Abstract: Provided is a display device in a mechanical method using wind, vibration. The mechanoluminescent display device includes a substrate having a predetermined shape, and projections formed with a predetermined pattern on the substrate. The projections are formed of a mixture of a stress luminescent material emitting light by mechanical energy which is applied and a stress transmission material transmitting the mechanical energy applied from the outside to the stress luminescent material.
    Type: Grant
    Filed: December 10, 2014
    Date of Patent: October 17, 2017
    Assignee: Daegu Gyeongbuk Institute of Science and Technology
    Inventors: Soon Moon Jeong, Seong Kyu Song
  • Patent number: 9759962
    Abstract: A liquid crystal display includes a pixel electrode including a first subpixel electrode and a second subpixel electrode spaced apart with a gap therebetween, a common electrode facing the pixel electrode, and a liquid crystal layer formed between the pixel electrode and the common electrode and including a plurality of liquid crystal molecules. The first and second subpixel electrodes include a plurality of branches, and each of the first and second subpixel electrodes includes a plurality of subregions. The branches extend in different directions in different subregions.
    Type: Grant
    Filed: May 4, 2016
    Date of Patent: September 12, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Mee-Hye Jung, Ji-Won Sohn, Jae-Jin Lyu, Chong-Chul Chai
  • Patent number: 9701899
    Abstract: The present inventions relate to optical components which include quantum confined semiconductor nanoparticles, wherein at least a portion of the nanoparticles include a ligand attached to a surface thereof, the ligand being represented by the formula: X-Sp-Z, wherein: X represents a primary amine group, a secondary amine group, a urea, a thiourea, an imidizole group, an amide group, an other nitrogen containing group, a carboxylic acid group, a phosphonic or arsonic acid group, a phosphinic or arsinic acid group, a phosphate or arsenate group, a phosphine or arsine oxide group; Sp represents a spacer group, such as a group capable of allowing a transfer of charge or an insulating group; and Z represents: (i) a reactive group capable of communicating specific chemical properties to the nanocrystal as well as provide specific chemical reactivity to the surface of the nanocrystal, and/or (ii) a group that is cyclic, halogenated, or polar a-protic.
    Type: Grant
    Filed: September 29, 2014
    Date of Patent: July 11, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Craig Breen, John R. Linton, Jonathan S. Steckel, Marshall Cox, Seth Coe-Sullivan, Mark Comerford
  • Patent number: 9688822
    Abstract: The present invention relates to a curable silicone composition comprising: (A) an organopolysiloxane represented by a specific average unit formula, (B) an optional straight-chain organopolysiloxane having at least two alkenyl groups and not having any silicon-bonded hydrogen atoms in a molecule, (C) an organopolysiloxane having at least two silicon-bonded hydrogen atoms in a molecule, and (D) a hydrosilylation reaction catalyst. The curable silicone composition has high reactivity and forms a cured product with low gas permeability.
    Type: Grant
    Filed: October 23, 2013
    Date of Patent: June 27, 2017
    Assignee: DOW CORNING TORAY CO., LTD.
    Inventors: Michitaka Suto, Takashi Sagawa, Kasumi Takeuchi, Tomohiro Iimura, Kazuhiro Nishijima, Yoshitsugu Morita
  • Patent number: 9613732
    Abstract: A wire harness manufacturing method prevents inadvertent deformation of thermoplastic material and separation of thermoplastic material. A predetermined part of an electric wire 91 is accommodated in a through hole of a tubular body formed by connection between a first and second nest members (123, 124) of a nozzle (12), by integrally connecting first and second case body members (121, 122) of the nozzle (12), with the predetermined part of the electric wire 91 therebetween. An approximately tubular covering member (92) covering the predetermined part of the electric wire (91) is molded integrally with the thermoplastic material, by discharging thermoplastic material plasticized by a material plasticizing unit (11) from thermoplastic material discharge orifices (1213) and (1223) in the nozzle (12) to the outer periphery of the electric wire (91), while moving the electric wire (91) and the nozzle (12) relatively to each other.
    Type: Grant
    Filed: February 10, 2011
    Date of Patent: April 4, 2017
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventor: Osamu Sato
  • Patent number: 9548406
    Abstract: A photoelectric conversion element includes a first electrode, a ferroelectric layer provided on the first electrode, and a second electrode provided on the ferroelectric layer, the second electrode being a transparent electrode, and a pn junction being formed between the ferroelectric layer and the first electrode or the second electrode.
    Type: Grant
    Filed: September 25, 2014
    Date of Patent: January 17, 2017
    Assignee: Seiko Epson Corporation
    Inventors: Takayuki Yonemura, Yoshihiko Yokoyama, Yasuaki Hamada
  • Patent number: 9459011
    Abstract: The present invention provides a cooktop appliance with features for correcting the color of light passing through the cooking surface such that the light appears a desired color to a user of the cooktop appliance. More specifically, a colored or fluorescent ink may be applied to, or a colored or fluorescent dye incorporated into, one or more light guides of a user interface assembly such that reflecting off of the interior surface of the light guides and passing through the cooking surface appears a desired color to the user.
    Type: Grant
    Filed: October 27, 2014
    Date of Patent: October 4, 2016
    Assignee: Haier US Appliance Solutions, Inc.
    Inventor: James Carter Bach
  • Patent number: 9462683
    Abstract: The present invention provides a cooktop appliance with features for correcting the color of light passing through the cooking surface such that the light appears a desired to a user of the cooktop appliance. More specifically, a colored translucent ink may be applied to a light transmissive layer of a user interface assembly such that light passing through the ink and the cooking surface appears a desired color to the user.
    Type: Grant
    Filed: October 27, 2014
    Date of Patent: October 4, 2016
    Assignee: Haier US Appliance Solutions, Inc.
    Inventor: James Carter Bach
  • Patent number: 9420941
    Abstract: Autonomous/self-powering image detecting systems and their manufacturing technologies are disclosed. An antenna is used to communicate signals. A first energy harvester is used to harvest energy from blackbody radiation, RF signals, movement/vibration, or combination thereof. A power management system is used which controls the energy flow to and from the energy-storage. An image sensor to take the image, a lens, and a transmitter to transmit the images to an outside device are also used in this invention. According to this preferred embodiment, an energy harvester harnessing energy from blackbody radiation from and within the body, is used to extract enough energy to increase the operation time and also to make precision of the image detecting system.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: August 23, 2016
    Assignee: Banpil Photonics, Inc.
    Inventors: Achyut Dutta, Robert Olah
  • Patent number: 9416046
    Abstract: A method cleaving an end portion of an optical fiber involves providing a ferrule having a first end, a second end, and a ferrule bore extending between the first and second ends. An optical fiber is inserted through the ferrule bore so that an end portion of the optical fiber extends past an end face on the second end of the ferrule. At least one laser beam is emitted from at least one laser and directed to be incident on the end portion of the optical fiber at a first location. The at least one laser beam is emitted and directed to have a maximum beam width that is less than an outer diameter of the optical fiber at the first location so that the at least one laser can be operated to form a hole in the optical fiber at the first location.
    Type: Grant
    Filed: January 13, 2015
    Date of Patent: August 16, 2016
    Assignee: CORNING OPTICAL COMMUNICATIONS LLC
    Inventors: Joel Patrick Carberry, Anping Liu, Barada Kanta Nayak
  • Patent number: 9355787
    Abstract: This invention relates to a method for making soluble precursors to imides, polyimides, and polymers containing imide groups, and a method of making thin films of the same by solution casting and then removing the solubilizing group to produce thermally stable and insoluble materials.
    Type: Grant
    Filed: January 30, 2014
    Date of Patent: May 31, 2016
    Assignee: Colorado School of Mines
    Inventor: Daniel M. Knauss
  • Patent number: 9304250
    Abstract: A light emitting unit includes a light source and a light guiding member. The light guiding member includes a light incident guiding portion that is arranged to face a light emitting surface of the light source and have a light incident surface, on which light emitted from the light source is incident, is formed at one end thereof, and a plurality of branched extending light guiding portions that are branched from the light incident guiding portion and extend towards back surfaces of a plurality of display portions. The plurality of branched extending light guiding portions are so formed that, the end surfaces of the branched extending light guiding portions have larger areas in accordance with increase of the lengths in the extending directions of the branched extending light guiding portions.
    Type: Grant
    Filed: October 9, 2014
    Date of Patent: April 5, 2016
    Assignee: YAZAKI CORPORATION
    Inventor: Takahiro Hori
  • Patent number: 9277868
    Abstract: A vital sign measurement device includes a sensor fixation device, a sensor frame, an optical sensing system, and an output unit. The sensor fixation device is adapted to be placed against an anatomical location of a subject. The optical sensing system includes an optical waveguide, an optical source device to supply optical energy to the optical waveguide, and an optical detector to detect an amount of optical energy exiting the optical waveguide. The optical sensing system is adapted to sense an arterial pulse from the compression or flexing of at least a portion of the optical waveguide resulting in reduction of the amount of light exiting the optical waveguide. The output unit is configured to receive a signal indicative of the amount of light exiting the optical waveguide and to generate a measure of the vital sign based at least in part on the received signal.
    Type: Grant
    Filed: June 17, 2013
    Date of Patent: March 8, 2016
    Assignee: Tarilian Laser Technologies, Limited
    Inventors: John A. Borgos, Thomas A. Borgos, Troy Pongratz
  • Patent number: 9234129
    Abstract: A surface-modified quantum dot luminophore includes a quantum dot luminophore and a coating includes a fluorinated coating including a fluorinated inorganic agent, a fluorinated organic agent, or a combination of fluorinated inorganic and organic agents, the fluorinated coating generating hydrophobic surface sites and the coating is disposed on the surface of the silicate luminophore.
    Type: Grant
    Filed: November 11, 2013
    Date of Patent: January 12, 2016
    Assignees: Seoul Semiconductor Co., Ltd., LITEC-LP GMBH
    Inventors: Chung Hoon Lee, Walter Tews, Gundula Roth, Detlef Starick