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:
Dec. 11, 2013
Applicant:
Philips Lighting Holding B.v., Eindhoven, NL;
Inventors:
Assignee:
PHILIPS LIGHTING HOLDING B.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V 7/04 (2006.01); F21V 8/00 (2006.01); G09F 13/18 (2006.01); G09F 13/34 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0041 (2013.01); G02B 6/0008 (2013.01); G02B 6/009 (2013.01); G02B 6/0061 (2013.01); G02B 6/0068 (2013.01); G02B 6/0091 (2013.01); G09F 13/18 (2013.01); G09F 13/34 (2013.01); G09F 2013/1804 (2013.01); G09F 2013/185 (2013.01); G09F 2013/1831 (2013.01); G09F 2013/1886 (2013.01);
Abstract
Disclosed is a product comprising a luminous surface, the product comprising a light guide () providing said luminous surface, said light guide comprising a plurality of scattering elements () for producing a substantially homogeneous light output across said luminous surface; and a first solid state lighting element () arranged to emit a beam of light () into the light guide; wherein the light guide further comprises a body () arranged to create a region () in the light guide shaded from said beam.