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. 25, 2011
Filed:
Sep. 23, 2004
Applicants:
Marcellinus P. C. M. Krijn, Eindhoven, NL;
Willem L. Ijzerman, Eindhoven, NL;
Siebe T. DE Zwart, Valkenswaard, NL;
Hugo J. Cornelissen, Waalre, NL;
Inventors:
Marcellinus P. C. M. Krijn, Eindhoven, NL;
Willem L. Ijzerman, Eindhoven, NL;
Siebe T. De Zwart, Valkenswaard, NL;
Hugo J. Cornelissen, Waalre, NL;
Assignee:
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
Abstract
A backlight () for a 3D display device, the backlight () comprising a planar light guide () through which light is guided transversely by internal reflection. The light guide () is provided with a plurality of grooves (), which are configured to direct light propagating within the light guide (), out of a face () of the light guide () so as to form a plurality of line light sources.