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:
Feb. 18, 2014
Filed:
Feb. 18, 2009
Thomas Juestel, Witten, DE;
Jacqueline Merikhi, Aachen, DE;
Henning Ohland, Aachen, DE;
Joachim Opitz, Aachen, DE;
Harald Josef Guenther Radermacher, Aachen, DE;
Detlef Uwe Wiechert, Alsdorf, DE;
Thomas Juestel, Witten, DE;
Jacqueline Merikhi, Aachen, DE;
Henning Ohland, Aachen, DE;
Joachim Opitz, Aachen, DE;
Harald Josef Guenther Radermacher, Aachen, DE;
Detlef Uwe Wiechert, Alsdorf, DE;
Koninklijke Philips N.V., Eindhoven, NL;
Abstract
The invention relates to GLS-look-alike LED light source () comprising two different types of LEDs (), preferably LEDs emitting with a near UV spectrum and a blue or white spectrum, respectively. The light source () further preferably comprises a transparent bulb () with a shape similar to an incandescent lamp that is coated by a luminescent layer () to achieve a white lamp spectrum. The luminescent layer may contain one or two luminescent compositions.