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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 10551547 B1

PDFFull Text
Date of Patent:
Feb. 04, 2020

Filed:

Nov. 06, 2015

Troffer luminaire

Applicant:

Quarkstar Llc, Las Vegas, NV (US);

Inventors:

Victor E. Isbrucker, Sturgeon Point, CA;

Ingo Speier, Saanichton, CA;

Assignee:

Quarkstar LLC, Las Vegas, NV (US);

Attorney:

Fish & Richardson P.C.

Primary Examiner:

Anh T Mai

Assistant Examiner:

Jessica M Apenteng

Int. Cl.
CPC ...
F21V 8/00 (2006.01); F21V 7/00 (2006.01); F21S 8/02 (2006.01); F21S 8/00 (2006.01); F21W 131/301 (2006.01); F21Y 103/10 (2016.01); F21Y 115/10 (2016.01);
U.S. Cl.
CPC ...
G02B 6/0045 (2013.01); F21S 8/026 (2013.01); F21V 7/0016 (2013.01); F21V 7/0025 (2013.01); F21V 7/0091 (2013.01); F21S 8/00 (2013.01); F21V 7/0033 (2013.01); F21W 2131/301 (2013.01); F21Y 2103/10 (2016.08); F21Y 2115/10 (2016.08); G02B 6/0073 (2013.01);
Abstract

A troffer luminaire including (i) a light guide luminaire module having an optical extractor, and (ii) a reflector, where the reflector is configured to reflect light output by the optical extractor in a backward angular range toward a target surface in a forward angular range, and where a combination of the optical extractor and the first reflector is configured such that a ratio of maximum luminance to minimum luminance across the first reflector is less than a first predetermined ratio.

Find Patent Forward Citations

Isbrucker, Victor. (2020). Troffer luminaire (U.S. Patent No. 10551547). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10551547

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

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