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.

Date of Patent:
Mar. 01, 2022

Filed:

Jul. 23, 2019
Applicant:

Osram Beteiligungsverwaltung Gmbh, Grünwald, DE;

Inventor:

Sebastian Jooss, Dettingen, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21S 41/14 (2018.01); F21K 9/232 (2016.01); F21K 9/235 (2016.01); F21S 45/60 (2018.01); F21S 41/13 (2018.01); F21S 41/162 (2018.01); F21S 41/148 (2018.01); F21S 45/47 (2018.01); F21Y 115/10 (2016.01);
U.S. Cl.
CPC ...
F21K 9/232 (2016.08); F21K 9/235 (2016.08); F21S 41/13 (2018.01); F21S 41/148 (2018.01); F21S 41/162 (2018.01); F21S 45/47 (2018.01); F21S 45/60 (2018.01); F21Y 2115/10 (2016.08);
Abstract

A lighting device includes at least one semiconductor light source, at least one incandescent filament configured to emit electromagnetic radiation when energized, and a carrier supporting both the semiconductor light source and the incandescent filament. A screen is defined by the carrier between the semiconductor light source and the incandescent filament, so as to shield the semiconductor light source from the electromagnetic radiation emitted by the incandescent filament. The incandescent filament connected in series with the at least one semiconductor light source.


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