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. 15, 2003
Filed:
Jun. 13, 2001
Applicant:
Inventors:
Christoph Weder, Gattikon, CH;
Cees Bastiaansen, Maastricht, NL;
Andrea Montali, Zürich, CH;
Paul Smith, Zürich, CH;
Assignee:
Landqart, Landqart, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/03 ; G02F 1/07 ;
U.S. Cl.
CPC ...
G02F 1/03 ; G02F 1/07 ;
Abstract
PL polarizers are disclosed which are characterized in a low degree of polarization in their absorption and a high degree of polarization in their emission. The invention also discloses methods to produce such PL polarizers. Also, the invention discloses display devices of high brightness and contrast which comprise at least one photoluminescent polarizer which is characterized in a low degree of polarization in their absorption and a high degree of polarization in their emission.