ILLUMINATION DEVICE FOR SIMULATING NEON LIGHTING THROUGH USE OF FLUORESCENT DYES

Title:

ILLUMINATION DEVICE FOR SIMULATING NEON LIGHTING THROUGH USE OF FLUORESCENT DYES

Document Type and Number:

WIPO Patent Application WO2003104712

Kind Code:

A3

Abstract:

An illumination device simulates neon lighting and allows for emission of light in colors that cannot ordinarily be achieved by use of LEDs along through the incorporation of a light color conversion system into the illumination device. This light color conversion system comprises an intermediate light-transmitting medium (22) tinted with a predetermined combination of one or more fluorescent dyes. Light emitted from the light source (16) of the illumination device is directed into the intermediate light-transmitting medium (22) and interacts with the fluorescent dyes contained therein. This light is partially absorbed by each of the fluorescent dyes of the intermediate light-transmitting medium, and a lower-energy light is then emitted from each of the fluorescent dyes and into the light-receiving surface (12) of the waveguide. Thus, selection of appropriate combinations of dyes results in various colors being emitted from the illumination device.

Inventors:

HULSE GEORGE R (US)
DOMINICK JOHN R (US)
CLEAVER MARK J (US)

Application Number:

PCT/US2003/017765

Publication Date:

April 22, 2004

Filing Date:

June 05, 2003

Export Citation:

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Assignee:

ILIGHT TECHNOLOGIES INC (US)
HULSE GEORGE R (US)
DOMINICK JOHN R (US)
CLEAVER MARK J (US)

International Classes:

F21S2/00; F21S4/00; F21V1/00; F21V8/00; F21V9/08; F21V9/16; G09F13/20; H01L33/48; H01L33/50; H01L33/60; F21Y101/02; (IPC1-7): F21V8/00

Foreign References:

US5879076A	1999-03-09
US4607317A	1986-08-19

Other References: