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:
Jun. 18, 1991
Filed:
Dec. 06, 1989
Applicant:
Inventors:
Dirk J Broer, Eindhoven, NL;
Jan Van Der Veen, Eindhoven, NL;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ;
U.S. Cl.
CPC ...
428-1 ; 427 47 ; 427 541 ; 427163 ; 427164 ; 4284111 ; 428435 ; 4284735 ; 428910 ; 428913 ;
Abstract
A method of manufacturing a polarization filter, in which a mixture of a liquid crystalline diacrylate monomer or dimethacrylate monomer and a dichroic colorant is provided on a substrate, oriented and polymerized by exposing it to radiation, as well as a polarization filter which is manufactured according to the above method, and a display comprising the polarization filter.
Broer, Dirk. (1991). Method of manufacturing a polarization filter and a polarization filter (U.S. Patent No. 5024850). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5024850
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