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:
Sep. 11, 2001
Filed:
Mar. 11, 1999
Johannes Edlinger, Frastanz, AT;
Claus Heine, Chur, CH;
Unaxis Balzers Aktiengesellschaft, Balzers, LI;
Abstract
A spectrally selective light splitter divides white light into red, green and blue light or recombines white light from red, green and blue light using two separate coating systems. Each system reflects and transmits color selectively, and are applied or embedded on or in at least one transparent base body, with at least one of the coating systems is made up of at least one layer of a material with lower refractive index as well as at least one layer of a material with higher refractive index. For the lower refractive index N,: 1.7≦N,≦2.1 and the reflective index N,of at least the transparent base body on which the system is applied follows the rule: 1.52≧N,≧1.