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. 09, 2012
Filed:
Nov. 29, 2011
Applicant:
Yufeng Liu, Woodbury, MN (US);
Inventor:
Yufeng Liu, Woodbury, MN (US);
Assignee:
3M Innovative Properties Company, Saint Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/56 (2006.01); G03B 21/60 (2006.01);
U.S. Cl.
CPC ...
Abstract
A large format tiled flexible projection display screen. The tiled modules of the screen each include a rear projection screen film adhered to a transmissive flexible substrate with an optically clear adhesive. When electronic content is projected onto the tiled projection screens, the electronic content is visible on a front surface side of the substrates.