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:
Nov. 29, 2005
Filed:
Aug. 23, 2000
Roy Auerbach, Cincinnati, OH (US);
Joachim Bunkenburg, Victor, NY (US);
Brahim Dahmani, Montrouge, FR;
E. Gregory Fulkerson, Amelia, OH (US);
Simon Magarill, Cincinnati, OH (US);
John D Rudolph, Cincinnati, OH (US);
Roy Auerbach, Cincinnati, OH (US);
Joachim Bunkenburg, Victor, NY (US);
Brahim Dahmani, Montrouge, FR;
E. Gregory Fulkerson, Amelia, OH (US);
Simon Magarill, Cincinnati, OH (US);
John D Rudolph, Cincinnati, OH (US);
Corning Incorporated, Corning, NY (US);
Abstract
A rear projection screen for use with a projection lens which has an exit pupil () is provided. The screen has a light entering side and a light exiting side and comprises in order from said light entering side to said light exiting side: (a) a Fresnel structure (); (b) a lenslet array (); and (c) an opaque layer () comprising a plurality of pinholes, said pinholes being at locations which correspond to the images of the exit pupil formed by the combination of the Fresnel structure and the lenslet array.