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:
Mar. 30, 2004
Filed:
Sep. 04, 2002
Ivan B. Steiner, Ridgewood, NJ (US);
Honeywell International Inc., Morristown, NJ (US);
Abstract
A partially collimated light beam ( ) is sent through a substrate matrix of a plurality of nested individual joined geometrically shaped cells ( ) wherein each of the cells is further comprised of subcells ( ) contains containing a patterned volume holographic diffuser ( ) which produces a transmitted diffused light beam ( ) from each of the cells and then superimposes each transmitted diffused light beam from each of the cells to produce a combined resultant diffused light beam. The combined resultant diffused light beam has an angular luminance distribution profile curve ( ) with sharply vertical profile slopes ( ) at halfpeak points ( ) and a substantially flat and wide peak ( ), this resultant diffused light beam advantageously produces a uniform resultant luminance over a wide range of view angles with a predetermined beam spread and beam deflection angle at said predetermined viewer head box location ( ).