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. 27, 2015
Filed:
May. 06, 2010
Johannes P. M. Ansems, Hulsel, NL;
Antonius A. M. Marinus, Eindhoven, NL;
Vincent S. D. Gielen, Eindhoven, NL;
Johannes P. M. Ansems, Hulsel, NL;
Antonius A. M. Marinus, Eindhoven, NL;
Vincent S. D. Gielen, Eindhoven, NL;
Koninklijke Philips N.V., Eindhoven, NL;
Abstract
An electric lamp () comprising a socket (), a lamp bulb () mounted on the socket, in which bulb at least one semiconductor light source () is arranged. Cooling means () comprise at least two facing cooling fins () which are separated by at least one spacing (). Said spacing being open to the environment and extending from the heart of the lamp bulb to the outer surface of the bulb. The lamp comprises a light redistributing, light transmittable wall () for redistributing light; optionally said light redistributing wall comprises separate, discernable wall parts (). For example, each discernable bulb part is shaped like a surface of a half prolate or half oblate ellipse. Thus, a desired double beam or homogeneous, omni-directional light distribution is obtainable.