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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 6783269 B1

PDFFull Text
Date of Patent:
Aug. 31, 2004

Filed:

Dec. 27, 2000

Side-emitting rod for use with an led-based light engine

Applicant:
Inventors:

Michael D. Pashley, Cortlandt Manor, NY (US);

Thomas M. Marshall, Hartsdale, NY (US);

Frank J. P. Schuurmans, Valkenswaard, NL;

Assignee:

Koninklijke Philips Electronics N.V., Eindhoven, NL;

Attorney:

Aaron Waxler

Primary Examiner:

Sandra O'Shea

Assistant Examiner:

Bertrand Zeade

Int. Cl.
CPC ...
F21V 7/04 ;
U.S. Cl.
CPC ...
F21V 7/04 ;
Abstract

According to this invention, a side-emitting illumination device for uniformly distributing light is composed of an LED light source, a light-transmitting rod which permits total internal reflection, and outcoupling material affixed to an outer surface of the rod. Light enters the rod at one end and travels along the rod by total internal reflection. Light that hits the outcoupling material is angularly distributed based on the width of the outcoupling material.

Find Patent Forward Citations

Pashley, Michael. (2004). Side-emitting rod for use with an led-based light engine (U.S. Patent No. 6783269). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6783269

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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