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:
Dec. 31, 2013
Filed:
Oct. 21, 2008
Eduard Johannes Meijer, Eindhoven, NL;
Peter Vergeer, Gouda, NL;
Rifat Ata Mustafa Hikmet, Eindhoven, NL;
Eduard Johannes Meijer, Eindhoven, NL;
Peter Vergeer, Gouda, NL;
Rifat Ata Mustafa Hikmet, Eindhoven, NL;
Koninklijke Philips N.V., Eindhoven, NL;
Abstract
This invention relates to a light angle selecting light detector device comprising a detector unit which is arranged to receive light selected by a selector unit. The device comprising at least one set of light passing areas. Each set of light passing areas consists of a first light passing area having a first size, which first light passing area is located on a first surface, and a second light passing area having a second size, which second light passing area is located on a second surface. The first light passing area and the second light passing area are arranged with a lateral displacement and form a light path from the first surface to the second surface for light having an incident angle between a maximum angle and a minimum angle.