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For the Inventor, By the Inventor

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 10648643 B1

PDFFull Text
Date of Patent:
May. 12, 2020

Filed:

Mar. 14, 2013

Door frame troffer

Applicant:

Ideal Industries Lighting Llc, Durham, NC (US);

Inventors:

Mark Edmond, Raleigh, NC (US);

Dong Lu, Cary, NC (US);

Paul Pickard, Morrisville, NC (US);

Assignee:

Ideal Industries Lighting LLC, Sycamore, IL (US);

Attorney:

Myers Bigel, P.A.

Primary Examiner:

Arman B Fallahkhair

Int. Cl.
CPC ...
F21V 21/06 (2006.01); F21V 7/00 (2006.01); F21V 13/04 (2006.01); F21S 8/02 (2006.01); F21V 5/00 (2018.01); F21V 5/04 (2006.01); F21S 4/28 (2016.01); F21S 10/00 (2006.01); A47G 19/22 (2006.01); F21S 6/00 (2006.01); F21W 121/00 (2006.01); F21V 9/12 (2006.01); G09F 13/04 (2006.01); F21Y 113/13 (2016.01); F21Y 115/10 (2016.01); F21Y 107/00 (2016.01);
U.S. Cl.
CPC ...
F21V 7/005 (2013.01); F21S 4/28 (2016.01); F21S 8/026 (2013.01); F21V 5/008 (2013.01); F21V 5/04 (2013.01); F21V 7/0008 (2013.01); F21V 13/04 (2013.01); A47G 19/2255 (2013.01); F21S 6/002 (2013.01); F21S 10/002 (2013.01); F21V 9/12 (2013.01); F21W 2121/00 (2013.01); F21Y 2107/00 (2016.08); F21Y 2113/13 (2016.08); F21Y 2115/10 (2016.08); G09F 13/04 (2013.01);
Abstract

An indirect troffer. Embodiments of the present invention provide a troffer-style fixture that is particularly well-suited for use with solid state light sources, such as LEDs. The troffer comprises light bars mounted proximate to a back reflector. A back reflector defines a reflective interior surface of the lighting troffer. To facilitate thermal dissipation, the light bar can act as a heat sink. A portion of the heat sink is exposed to the ambient room environment while another portion functions as a mount surface for the light sources that faces the back reflector. One or more light sources disposed along the light bar mount surface emit light into an interior cavity where it can be mixed and/or shaped prior to emission. In some embodiments, one or more lens plates extend from the light bar out to the back reflector.

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