Patents Assigned to BOLB INC.
  • Publication number: 20200316238
    Abstract: The present invention relates to mobile devices for disinfecting an object. The mobile device includes: one or more light sources for generating a disinfection light; a display; one or more processors coupled to the one or more light sources and display; and a non-transitory computer-readable medium comprising one or more sequences of instructions which, when executed by the one or more processors, causes steps to be performed including: determining a required dosage of the disinfection light; determining an exposure time of the disinfection light that corresponds to the required dosage of the disinfection light; illuminating the disinfection light on the surface; and displaying a disinfection map on the display to report a result of a disinfection process performed by the illumination of the disinfection light.
    Type: Application
    Filed: April 5, 2019
    Publication date: October 8, 2020
    Applicant: Bolb Inc.
    Inventors: Jianping Zhang, Ling Zhou, Ying Gao
  • Patent number: 10768453
    Abstract: A device for cleaning a contact lens includes a lid, a base portion and a drawer unit detachably coupled to the base portion. The drawer unit includes a container holding a volume of fluid therein. The device also includes a vibration generator for generating an oscillatory motion on the container, where the oscillatory motion induces turbulence in the fluid with sufficient force to dislodge deposits from a lens immersed in the fluid. The device also includes a circuit board secured to the base portion and a light source for generating radiation to disinfect the dislodged deposits in the fluid. A suspension secures the light source to the circuit board and a resonance frequency of the suspension is offset from a frequency of the oscillatory motion.
    Type: Grant
    Filed: July 3, 2017
    Date of Patent: September 8, 2020
    Assignee: Bolb Inc.
    Inventors: Ling Zhou, Jianping Zhang, Ying Gao
  • Publication number: 20200230281
    Abstract: Disinfection apparatus having submersible disinfection devices for disinfecting fluid. The disinfection apparatus includes: a pipe having one or more linear segments; one or more disinfection devices installed on the pipe, each of the one or more disinfection devices generating light for disinfecting fluid in a linear segment of the pipe; and a controller electrically coupled to the one or more disinfection devices and controlling the one or more disinfection devices. Another embodiment of the disinfecting apparatus includes; side and bottom walls and a lid that define an enclosed chamber; an inlet and outlet for communicating fluid to the enclosed chamber; a plurality of disinfection devices disposed on the side wall, each of the plurality of disinfection devices generating light for disinfecting fluid inside the enclosed chamber; and a controller electrically coupled to the plurality of disinfection devices and controlling the plurality of disinfection devices.
    Type: Application
    Filed: April 7, 2020
    Publication date: July 23, 2020
    Applicant: Bolb Inc.
    Inventors: Jianping Zhang, Huazhong Deng, Bin Zhang
  • Patent number: 10653808
    Abstract: Disinfection apparatus having submersible disinfection devices for disinfecting fluid. The disinfection apparatus includes: a pipe having one or more linear segments; one or more disinfection devices installed on the pipe, each of the one or more disinfection devices generating light for disinfecting fluid in a linear segment of the pipe; and a controller electrically coupled to the one or more disinfection devices and controlling the one or more disinfection devices. Another embodiment of the disinfecting apparatus includes; side and bottom walls and a lid that define an enclosed chamber; an inlet and outlet for communicating fluid to the enclosed chamber; a plurality of disinfection devices disposed on the side wall, each of the plurality of disinfection devices generating light for disinfecting fluid inside the enclosed chamber; and a controller electrically coupled to the plurality of disinfection devices and controlling the plurality of disinfection devices.
    Type: Grant
    Filed: November 10, 2017
    Date of Patent: May 19, 2020
    Assignee: Bolb Inc.
    Inventors: Jianping Zhang, Huazhong Deng, Bin Zhang
  • Publication number: 20200114027
    Abstract: A disinfection device includes: a container having a wall that defines a chamber for containing liquid therein; and a light source for transmitting disinfection light to the liquid. The light source is in a spatial relationship with the container so that a distance between the light source and the first light receiving surface of the liquid remains unchanged regardless of a volume of the liquid.
    Type: Application
    Filed: October 10, 2018
    Publication date: April 16, 2020
    Applicant: Bolb Inc.
    Inventors: Jianping Zhang, Ling Zhou, Ying Gao
  • Patent number: 10622518
    Abstract: A light-emitting device includes an n-semiconductor structure, a p-semiconductor structure and a light-emitting active-region sandwiched therebetween. An n-trough is formed to expose the n-semiconductor structure by removing a first portion of the p-semiconductor structure and the light-emitting active-region. The n-trough surrounds a p-mesa which contains a second portion of the n-semiconductor structure, the p-semiconductor structure and the light-emitting active-region. The n-trough and the p-mesa are path-connected spaces and are formed via lithography and etching using a lithographic mask which is topologically constructed via merging a unit cell's at least two transformations selected from the unit cell's translation, rotation, and reflection transformations.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: April 14, 2020
    Assignee: BOLB INC.
    Inventors: Jianping Zhang, Ling Zhou, Alexander V. Lunev, Ying Gao
  • Patent number: 10617782
    Abstract: A method for disinfecting a fluid includes emitting UV light into a flowing fluid pillar along its axial direction. The flowing fluid pillar is surrounded by and in contact with a fluid medium having a refractive index lower than that of the fluid to be disinfected so that total internal reflection occurs when the UV light travels within the flowing fluid pillar. Also provided is a UV disinfector for disinfecting a flowing fluid.
    Type: Grant
    Filed: August 17, 2017
    Date of Patent: April 14, 2020
    Assignee: BOLB INC.
    Inventors: Jianping Zhang, Ling Zhou, Ying Gao
  • Patent number: 10368411
    Abstract: The invention relates to UV light modules that generate UV light. The UV light module includes: a substrate; a light source mounted on a top surface of the substrate, the light source generates output light; a detector mounted on the top surface of the substrate, the detector detects light incident thereon; and a lens disposed over the light source and the detector. The lens includes a surface on which a portion of the output light is internally reflected and the portion of the output light travels through the lens to the detector.
    Type: Grant
    Filed: September 20, 2016
    Date of Patent: July 30, 2019
    Assignee: BOLB Inc.
    Inventors: Jianping Zhang, Ling Zhou, Ying Gao
  • Publication number: 20190142986
    Abstract: Submersible devices for disinfecting liquid. The device includes a cap having a hollow cylindrical body and a heat sink that is disposed inside the cap, detachably secured to the cap and includes a cavity therein. The device further includes a light source package disposed inside the cavity of the heat sink and configured to generate disinfecting light; a window disposed on the heat sink and formed of material that passes through the disinfecting light generated by the light source package; a flange nut disposed outside the cap and detachably secured to the cap; and a sealing mechanism for preventing liquid from leaking into the cavity. The heat sink is configured to transfer the heat energy generated by the light source package to the cap and flange nut.
    Type: Application
    Filed: November 10, 2017
    Publication date: May 16, 2019
    Applicant: Bolb Inc.
    Inventors: Jianping Zhang, Huazhong Deng, Bin Zhang
  • Publication number: 20190142987
    Abstract: Disinfection apparatus having submersible disinfection devices for disinfecting fluid. The disinfection apparatus includes: a pipe having one or more linear segments; one or more disinfection devices installed on the pipe, each of the one or more disinfection devices generating light for disinfecting fluid in a linear segment of the pipe; and a controller electrically coupled to the one or more disinfection devices and controlling the one or more disinfection devices. Another embodiment of the disinfecting apparatus includes; side and bottom walls and a lid that define an enclosed chamber; an inlet and outlet for communicating fluid to the enclosed chamber; a plurality of disinfection devices disposed on the side wall, each of the plurality of disinfection devices generating light for disinfecting fluid inside the enclosed chamber; and a controller electrically coupled to the plurality of disinfection devices and controlling the plurality of disinfection devices.
    Type: Application
    Filed: November 10, 2017
    Publication date: May 16, 2019
    Applicant: Bolb Inc.
    Inventors: Jianping Zhang, Huazhong Deng, Bin Zhang
  • Patent number: 10276746
    Abstract: A hole supplier and p-contact structure for a light emitting device or a photodetector includes a p-type group III nitride structure and a hole supplier and p-contact layer made of Al-containing group III nitride formed on the p-type group III nitride structure and being under a biaxial in-plane tensile strain, the hole supplier and p-contact layer has a thickness in the range of 0.6-10 nm, and the p-type group III nitride structure is formed over an active region of the light emitting device or photodetector. A light emitting device and a photodetector with a hole supplier and p-contact structure.
    Type: Grant
    Filed: November 14, 2017
    Date of Patent: April 30, 2019
    Assignee: BOLB INC.
    Inventors: Jianping Zhang, Ying Gao, Ling Zhou
  • Patent number: 10177267
    Abstract: An UV photodetector includes: a substrate, a template layer formed on the substrate, an intrinsic AlGaN layer formed on the template layer, a first n-type AlGaN layer and a second n-type AlGaN layer formed on the intrinsic AlGaN layer side-by-side and separated by a gap, wherein the gap exposes the intrinsic AlGaN layer. Another UV photodetector includes: an UV transparent substrate, an UV transparent template layer formed on the substrate, a first UV transparent n-type AlGaN layer formed on the UV transparent template layer, an intrinsic AlGaN layer formed on the first UV transparent n-type AlGaN layer, a second n-type AlGaN layer formed on the intrinsic AlGaN layer, and a p-type layer formed on the second n-type AlGaN layer.
    Type: Grant
    Filed: March 3, 2017
    Date of Patent: January 8, 2019
    Assignee: BOLB INC.
    Inventors: Jianping Zhang, Ling Zhou, Ying Gao
  • Publication number: 20190004339
    Abstract: A device for cleaning a contact lens includes a lid, a base portion and a drawer unit detachably coupled to the base portion. The drawer unit includes a container holding a volume of fluid therein. The device also includes a vibration generator for generating an oscillatory motion on the container, where the oscillatory motion induces turbulence in the fluid with sufficient force to dislodge deposits from a lens immersed in the fluid. The device also includes a circuit board secured to the base portion and a light source for generating radiation to disinfect the dislodged deposits in the fluid. A suspension secures the light source to the circuit board and a resonance frequency of the suspension is offset from a frequency of the oscillatory motion.
    Type: Application
    Filed: July 3, 2017
    Publication date: January 3, 2019
    Applicant: Bolb Inc.
    Inventors: Ling Zhou, Jianping Zhang, Ying Gao
  • Publication number: 20180084617
    Abstract: The invention relates to UV light modules that generate UV light. The UV light module includes: a substrate; a light source mounted on a top surface of the substrate, the light source generates output light; a detector mounted on the top surface of the substrate, the detector detects light incident thereon; and a lens disposed over the light source and the detector. The lens includes a surface on which a portion of the output light is internally reflected and the portion of the output light travels through the lens to the detector.
    Type: Application
    Filed: September 20, 2016
    Publication date: March 22, 2018
    Applicant: Bolb Inc.
    Inventors: Jianping Zhang, Ling Zhou, Ying Gao
  • Patent number: 9715058
    Abstract: The invention relates to a light device that generates uniform light beam over a panel. A light device includes a light source and a light panel. The light panel includes: a lightguide that has an input port for receiving light from the light source, the input port is formed on a bottom surface of the lightguide; a beam reflector disposed on a top surface of the lightguide, the beam reflector reflects a portion of the light; a mirror disposed on the bottom surface of the lightguide, the mirror reflects a portion of the light toward the top surface; and a plurality of light scattering features disposed on the bottom surface of the lightguide, the plurality of light scattering features reflects a portion of the light toward the top surface.
    Type: Grant
    Filed: August 30, 2016
    Date of Patent: July 25, 2017
    Assignee: BOLB INC.
    Inventors: Jianping Zhang, Ling Zhou, Ying Gao
  • Patent number: 9680056
    Abstract: A heteroepitaxy strain-management structure for a light emitting device includes: a substrate or template; an epitaxial layer to be epitaxially formed over the substrate or template, wherein a calculated in-plane compressive strain to be exerted by the substrate or template to the epitaxial layer is equal to or larger than 1%; and a heavily doped interlayer inserted in-between the epitaxial layer and the substrate or template; wherein the heavily doped interlayer is of substantially the same material composition as that of the epitaxial layer, with a thickness of 40-400 nm, and doped at a doping level in the range of 5×1019 to 5×1020 cm?3. Also provided is an ultraviolet light emitting device having a heteroepitaxy strain-management structure.
    Type: Grant
    Filed: July 8, 2016
    Date of Patent: June 13, 2017
    Assignee: BOLB INC.
    Inventors: Jianping Zhang, Ling Zhou
  • Patent number: 9553232
    Abstract: A light emitting device includes an n-type layer, a p-type layer structure, a layer of p-type nano-dots imbedded in the p-type layer structure, and an active region sandwiched between the n-type layer and the p-type layer structure, where the p-type nano-dots possess a sheet density of 1010 to 1012 cm?2, a lateral dimension of 2-20 nm, and a vertical dimension of 1-5 nm. The p-type layer structure with a layer of p-type nano-dots imbedded therein provides good vertical conductivity and UV transparency. Also provided is a method for making the light emitting device.
    Type: Grant
    Filed: February 10, 2016
    Date of Patent: January 24, 2017
    Assignee: BOLB INC.
    Inventors: Jianping Zhang, Hongmei Wang
  • Patent number: 9472716
    Abstract: A lattice constant formatted epitaxial template for light emitting devices includes a starting epitaxial template having a base, a plurality of alternately arranged protrusions and depressions on the base; first material portions epitaxially formed on top of the protrusions and second material portions epitaxially formed in the depressions, wherein lattice constants of the first material portions on the protrusions are different from those of the second material portions in the depressions. A method for making a lattice constant formatted epitaxial template is provided. Also provided is a light emitting device containing a lattice constant formatted epitaxial template.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: October 18, 2016
    Assignee: BOLB INC.
    Inventors: Jianping Zhang, Hongmei Wang
  • Patent number: 9401455
    Abstract: An ultraviolet light-emitting device with a lateral tunnel junction for hole injection includes a PN tunnel junction structure formed on a p-type layer at one side of an active region. The PN tunnel junction structure includes a p-type structure containing a plurality of alternately laminated p-AlGaN barrier layers and p-AlGaN well layers, and an n-type structure containing a plurality of alternately laminated n-AlGaN barrier layers and n-AlInGaN well layers, with the p-type structure facing the p-type layer. Both the p-type structure and the n-type structure have a plurality of projections extending from their surface. The n-type structure is formed on the p-type structure with the projections of the n-type structure fully filling void portions of the p-type structure.
    Type: Grant
    Filed: December 17, 2015
    Date of Patent: July 26, 2016
    Assignee: BOLB INC.
    Inventors: Jianping Zhang, Ling Zhou, Ying Gao
  • Patent number: 9293648
    Abstract: A light emitting device includes an n-type layer, a p-type layer structure, a layer of p-type nano-dots imbedded in the p-type layer structure, and an active region sandwiched between the n-type layer and the p-type layer structure, where the p-type nano-dots possess a sheet density of 1010 to 1012 cm?2, a lateral dimension of 2-20 nm, and a vertical dimension of 1-5 nm. The p-type layer structure with a layer of p-type nano-dots imbedded therein provides good vertical conductivity and UV transparency. Also provided is a method for making the light emitting device.
    Type: Grant
    Filed: April 15, 2015
    Date of Patent: March 22, 2016
    Assignee: BOLB INC.
    Inventors: Jianping Zhang, Hongmei Wang