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:
May. 05, 1998
Filed:
Nov. 27, 1996
Jacobus H Neijzen, Eindhoven, NL;
Adrianus J De Vaan, Eindhoven, NL;
Martinus V Stroomer, Eindhoven, NL;
U.S. Philips Corporation, New York, NY (US);
Abstract
A picture display device is disclosed having an illumination system and a picture display panel which is provided with a matrix of n panels and has a pitch p.sub.p. The device further has a projection lens system for projecting light modulated by the picture display panel to form an image. The illumination side of the picture display panel is provided with a microlens array having m microlenses and a pitch p.sub.m. The illumination system includes N illumination elements which are arranged in an array and have pitch p.sub.1. The illumination elements generate light simultaneously. Moreover, N<<m,n and p.sub.1 >>p.sub.m, p.sub.p.