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:
Jul. 28, 1987
Filed:
Mar. 26, 1986
Applicant:
Inventors:
Assignee:
U.S. Philips Corporation, New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
350128 ;
Abstract
The invention relates to a transmission projection screen having a high light output and a suitable contrast, for example, for use in a projection-television system, and a method of manufacturing such a screen. The projection screen comprises a transparent substrate having a front surface which is provided with mutually parallel ribs. Light-absorbing glass fibers 10 are provided at the bottom of the grooves 24 between the ribs 22, and they are fixed by means of a hot-melt adhesive layer 11.