公开(公告)号：US09943618B2

公开(公告)日：2018-04-17

申请号：US15615690

申请日：2017-06-06

Applicant: Rayvio Corporation

Inventor： Yitao Liao ,  Robert Walker ,  Doug Collins ,  Sheung Li

IPC: A61L2/10 ,  G01N21/94 ,  G01N21/64

CPC classification number: A61L2/10 ,  G01N21/6456 ,  G01N21/6486 ,  G01N21/94 ,  G01N2201/0221 ,  G01N2201/062

Abstract: A UV illumination method includes moving a UV peripheral separate from a smart device to location associated with a plurality of target surfaces, selecting a UV illumination application executing upon the smart device, selecting an icon from within the UV illumination application, sending via a wireless communication mechanism of the smart device to the UV peripheral, instructions to turn on a UV light disposed in the UV peripheral in response to the selection of the icon, receiving via a wireless communication mechanism disposed in the UV peripheral, the instructions to turn on the UV light, illuminating, with the UV light within the UV peripheral, sanitizing UV light to the plurality of target surfaces other than surfaces of the smart device in response to the instructions, and thereafter terminating illuminating, with the UV light within the UV peripheral, the sanitizing UV light from the plurality of target surfaces.

公开(公告)号：US10561156B2

公开(公告)日：2020-02-18

申请号：US15625986

申请日：2017-06-16

Applicant: Rayvio Corporation

Inventor： Yitao Liao ,  Robert Walker ,  Doug Collins

IPC: A23C3/07 ,  C02F1/72 ,  A23C9/20 ,  C02F1/32 ,  A23L3/28 ,  A23L2/50

Abstract: A liquid treatment device includes a base with a power source, a UV-LED module for providing UV-B or UV-C light to liquid, an LED for providing visible light, and a processor for selectively powering the UV-LED module and the LED, and having a UV transmissive material above the UV-LED module for allowing the UV-B or UV-C band light from the UV-LED module to be transmitted from the base housing, and a liquid storage housing removably coupled to the base housing with a storage portion configured to hold liquid and having a bottom portion comprising a UV transmissive material for allowing the UV-B or UV-C band light from the UV-LED module to be transmitted into the liquid, and an output coupled for restricting outflow of the liquid from the storage portion.

公开(公告)号：US10214431B2

公开(公告)日：2019-02-26

申请号：US14672077

申请日：2015-03-27

Applicant: RayVio Corporation

Inventor： Yitao Liao ,  Robert Walker ,  Doug Collins ,  Theodore De Jony

IPC: C02F1/00 ,  C02F1/72 ,  C02F1/32

Abstract: An water providing apparatus includes a input portion for receiving untreated water, a treatment portion for treating and outputting treated water having a UV treatment module for reducing pathogens, a filtering mechanism for reducing physical and chemical impurities, a UV analysis module for determining levels of the impurities in the untreated water and for determining levels of impurities in the treated water, a processing unit for determining whether the levels of impurities in the treated water exceed a threshold, a reporting module for outputting the levels of the impurities in the untreated and treated water to a remote monitoring service, and a water output portion for providing the treated water if safe, and for inhibiting output of the treated water if unsafe.

公开(公告)号：US10439099B2

公开(公告)日：2019-10-08

申请号：US15653864

申请日：2017-07-19

Applicant: Rayvio Corporation

Inventor： Yitao Liao ,  Robert Walker ,  Doug Collins

IPC: H01L33/00 ,  H01L33/06 ,  H01L33/32 ,  H01L33/16 ,  H01L33/18 ,  C23C14/00 ,  C23C14/06 ,  C23C16/18 ,  H01L21/02 ,  C23C14/56 ,  C23C16/30 ,  C23C16/48 ,  C23C16/54

Abstract: A method of fabricating an ultraviolet (UV) light emitting device includes receiving a UV transmissive substrate, forming a first UV transmissive layer comprising aluminum nitride upon the UV transmissive substrate using a first deposition technique at a temperature less than about 800 degrees Celsius or greater than about 1200 degrees Celsius, forming a second UV transmissive layer comprising aluminum nitride upon the first UV transmissive layer comprising aluminum nitride using a second deposition technique that is different from the first deposition technique, at a temperature within a range of about 800 degrees Celsius to about 1200 degrees Celsius, forming an n-type layer comprising aluminum gallium nitride layer upon the second UV transmissive layer, forming one or more quantum well structures comprising aluminum gallium nitride upon the n-type layer, and forming a p-type nitride layer upon the one or more quantum well structures.

公开(公告)号：US09793433B2

公开(公告)日：2017-10-17

申请号：US15288181

申请日：2016-10-07

Applicant: Rayvio Corporation

Inventor： Yitao Liao ,  Robert Walker ,  Doug Collins

IPC: H01L33/00 ,  H01L33/16 ,  H01L33/18 ,  H01L21/02 ,  C23C14/06 ,  C23C14/00 ,  C23C16/18 ,  H01L33/06 ,  H01L33/32 ,  C23C14/56 ,  C23C16/30 ,  C23C16/48 ,  C23C16/54

CPC classification number: H01L33/0075 ,  C23C14/0036 ,  C23C14/0617 ,  C23C14/0641 ,  C23C14/568 ,  C23C16/18 ,  C23C16/303 ,  C23C16/481 ,  C23C16/54 ,  H01L21/0243 ,  H01L21/02458 ,  H01L21/02505 ,  H01L21/0254 ,  H01L21/0262 ,  H01L33/0025 ,  H01L33/0062 ,  H01L33/007 ,  H01L33/06 ,  H01L33/16 ,  H01L33/18 ,  H01L33/32 ,  H01L2933/0091

Abstract: A method of fabricating an ultraviolet (UV) light emitting device includes receiving a UV transmissive substrate, forming a first UV transmissive layer comprising aluminum nitride upon the UV transmissive substrate using a first deposition technique at a temperature less than about 800 degrees Celsius or greater than about 1200 degrees Celsius, forming a second UV transmissive layer comprising aluminum nitride upon the first UV transmissive layer comprising aluminum nitride using a second deposition technique that is different from the first deposition technique, at a temperature within a range of about 800 degrees Celsius to about 1200 degrees Celsius, forming an n-type layer comprising aluminum gallium nitride layer upon the second UV transmissive layer, forming one or more quantum well structures comprising aluminum gallium nitride upon the n-type layer, and forming a p-type nitride layer upon the one or more quantum well structures.

公开(公告)号：US09669121B2

公开(公告)日：2017-06-06

申请号：US14745315

申请日：2015-06-19

Applicant: RayVio Corporation

Inventor： Yitao Liao ,  Robert Walker ,  Doug Collins ,  Sheung Li

IPC: A61L2/10 ,  G01N21/64 ,  G01N21/94

CPC classification number: A61L2/10 ,  G01N21/6456 ,  G01N21/6486 ,  G01N21/94 ,  G01N2201/0221 ,  G01N2201/062

Abstract: A method for a hand-held device comprising illuminating, with a first UV LED associated with the hand-held device, a surface of an object with UV light, acquiring with a visible-light image sensor on the hand-held device, a first image of the surface of the object while the surface of the object is illuminated by the first UV LED, performing with the processor in the hand-held device, a function upon the first image to determine a type of contaminant disposed upon the surface of the object, determining with the processor in the hand-held device, sanitation techniques to perform in response to the type of contaminant that is determined, and displaying with a touch-screen display on the hand-held device, the sanitation techniques to the user.