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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 10247385 B1

PDFFull Text
Date of Patent:
Apr. 02, 2019

Filed:

May. 11, 2016

Lighting device, lens and method, having a mixing structure with a variable blurring strength

Applicant:

Signify Holding B.v., Eindhoven, NL;

Inventors:

Johannes Maria Thijssen, Eindhoven, NL;

Fabio Fornasa, Eindhoven, NL;

Rusian Akhmedovich Sepkhanov, Eindhoven, NL;

Inge Van De Wouw, Eindhoven, NL;

Assignee:

PHILIPS LIGHTING HOLDING B.V., Eindhoven, NL;

Attorney:
Primary Examiner:

Thomas M Sember

Int. Cl.
CPC ...
F21K 9/60 (2016.01); F21K 9/62 (2016.01); F21V 5/00 (2018.01); F21V 5/04 (2006.01); G02B 5/02 (2006.01); F21V 13/00 (2006.01); F21V 14/06 (2006.01); F21Y 101/00 (2016.01); F21Y 115/10 (2016.01);
U.S. Cl.
CPC ...
F21V 5/04 (2013.01); F21K 9/62 (2016.08); F21V 5/002 (2013.01); F21V 13/00 (2013.01); F21V 14/06 (2013.01); G02B 5/02 (2013.01); G02B 5/0278 (2013.01); F21K 9/60 (2016.08); F21Y 2101/00 (2013.01); F21Y 2115/10 (2016.08);
Abstract

The invention relates to a lighting device for issuing a light beam in a main direction along an optical axis. The lighting device comprises a light source and a positive, refractive lens provided on the optical axis, the lens being movable with respect to the light source over the optical axis. The lighting device further comprises a mixing structure provided on the optical axis and having an added blurring strength FWHM, with FWHM being in a range of 3° to 15°.

Find Patent Forward Citations

Thijssen, Johannes. (2019). Lighting device, lens and method, having a mixing structure with a variable blurring strength (U.S. Patent No. 10247385). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10247385

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

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