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:
Dec. 06, 2016
Filed:
Oct. 28, 2010
Koenraad Vermeirsch, Bellegem, BE;
Stefaan Ducasteele, Zonnebeke, BE;
Geert Matthys, Haaltert, BE;
Patrick Candry, Harelbeke, BE;
Koenraad Vermeirsch, Bellegem, BE;
Stefaan Ducasteele, Zonnebeke, BE;
Geert Matthys, Haaltert, BE;
Patrick Candry, Harelbeke, BE;
BARCO N.V., Kortrijk, BE;
Abstract
A curved back-projection screen having an angle of curvature greater than 180° is described such as a wrap-around cylindrical or dome screen. The screen includes a first layer and a second synthetic resin diffusing layer on the first layer, the second synthetic resin diffusing layer containing a light absorbing material and light diffusing particles embedded in a resin material, with the second synthetic resin diffusing layer having a value of the product of the absorption coefficient and thickness of between 0.1 and 2. The second synthetic resin diffusing layer can be applied by spraying.