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:
Apr. 09, 2002
Filed:
Jul. 10, 2000
Applicant:
Inventor:
Eitan C. Zeira, Nashua, NH (US);
Assignee:
Nashua Corporation, Nashua, NH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 2/160 ; B32B 1/00 ;
U.S. Cl.
CPC ...
G03B 2/160 ; B32B 1/00 ;
Abstract
A projection screen element is described that includes a substrate and a diffusion coating disposed on the substrate. The diffusion coating includes a matrix having a first index of refraction and a plurality of particles having a second index of refraction disposed within the matrix. The substrate may be translucent for use as a rear projection screen element or reflective for use as a front projection screen element. A method of making a projection screen element also is described.