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Hamamatsu Corp. - Earth Innovations LB 2/24

ESL Lighting Tech Awarded Patent

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SEATTLE, July 27, 2010 — Vu1 Corp announced that the US Patent and Trademark Office has issued a notice of allowance for a patent application for its ESL lighting technology. The mercury-free, energy-efficient, general illumination lighting technology manufacturer received US patent application serial no.: 11/969,840 for the system and apparatus for cathodoluminescent lighting, relating to the method of operation to create light via phosphor and a cathode, which is a component of the company’s ESL (electron stimulated luminescence) clean, energy efficient lighting technology. The allowance of the...Read full article

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    Published: July 2010
    Glossary
    cathode
    1. The negative electrode of a device in an electrical circuit. 2. The positive electrode of a primary cell or storage battery. 3. The primary source of electrons in an electron tube, serving as the filament in a directly heated electron tube, and in a coated metal configuration surrounding the heater in an indirectly heated one.
    luminescence
    Luminescence is the emission of light that occurs without the involved substance undergoing a significant increase in temperature. In other words, it is the production and emission of light by a material or substance, often as a result of electronic, molecular, or atomic transitions. Luminescence is a broad term that encompasses various phenomena, including fluorescence, phosphorescence, chemiluminescence, and bioluminescence: Fluorescence: In fluorescence, a substance absorbs light...
    phosphor
    A chemical substance that exhibits fluorescence when excited by ultraviolet radiation, x-rays or an electron beam. The amount of visible light is proportional to the amount of excitation energy. If the fluorescence decays slowly after the exciting source is removed, the substance is said to be phosphorescent.
    AmericasBusinesscathodecathodoluminescentConsumerelectron stimulated luminescenceenergy efficientESLESL technologyLight Sourceslightinglighting technologyluminescencepatent applicationpatent pendingphosphorUS Patent Trademark OfficeVu1Vu1 Corp.

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