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ESL Lighting Tech Awarded Patent

Photonics.com
Jul 2010
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 first patent application is one of 11 pending US and international patent applications the company has submitted for the technology.

The ESL technology produces light identical in quality to traditional incandescent light bulbs, according to the company.

For more information, visit:  www.vu1.com 


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
See fluorescence; phosphorescence.
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.
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