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:
Jun. 27, 2006
Filed:
Aug. 08, 2003
Peter Alexander Duine, Eindhoven, NL;
Hugo Johan Cornelissen, Eindhoven, NL;
Tijsbert Mathieu Henricus Creemers, Nijmegen, NL;
Johannes Marra, Eindhoven, NL;
Peter Alexander Duine, Eindhoven, NL;
Hugo Johan Cornelissen, Eindhoven, NL;
Tijsbert Mathieu Henricus Creemers, Nijmegen, NL;
Johannes Marra, Eindhoven, NL;
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Abstract
The present invention relates to a light generating device comprising a slab light guide (), at least one light input unit () arranged on at least one side () of said light guide () comprising at least one light source () and a light incoupling means () for coupling light into said light guide (), and at least one light output unit () arranged on at least one side () of said light guide (). In order to provide a device that provides polarized light of a high homogeneity the light output unit () according to the present invention comprises a polarized light emitting waveguide plate () for selectively coupling light of a first polarization state out of said light guide (). The present invention further relates to a display device, in particular an LCD, comprising a light generating device according to the invention.