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:
Oct. 27, 2009
Filed:
Jan. 07, 2004
Applicants:
Thomas Bertin-mourot, Paris, FR;
Yannick Lebail, Chevincourt, FR;
Inventors:
Thomas Bertin-Mourot, Paris, FR;
Yannick Lebail, Chevincourt, FR;
Assignee:
Saint-Gobain Glass France, Courbevoie, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/60 (2006.01); G03B 21/56 (2006.01);
U.S. Cl.
CPC ...
Abstract
The backprojection and/or projection screen comprises at least a first substrate joined to a scattering layer producing a subsurface effect, which offers a resolution of at least 5×10dpi, the image being able to be displayed without blurring at a viewing angle of 180° on both faces of the screen.