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.:
Date of Patent:
Jan. 22, 2019
Filed:
May. 25, 2017
Applicant:
Glo Ab, Lund, SE;
Inventors:
Assignee:
GLO AB, Lund, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/01 (2006.01); G02B 27/30 (2006.01); G02B 27/28 (2006.01); G02B 5/30 (2006.01);
U.S. Cl.
CPC ...
G02B 27/0172 (2013.01); G02B 27/0101 (2013.01); G02B 27/283 (2013.01); G02B 27/30 (2013.01); G02B 5/30 (2013.01); G02B 2027/0112 (2013.01);
Abstract
A light engine includes a housing containing a rectangular aperture, a polarizer disposed in the housing facing the aperture, a light emitting diode (LED) array disposed in the housing, and a light guide configured to guide light emitted from the LED array toward the aperture, such that light is emitted through the aperture.