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. 21, 1998
Filed:
Feb. 16, 1996
Vladimir Grigorievich Chigrinov, Moscow, RU;
Vladimir Marcovich Kozenkov, Dolgoprudniv, RU;
Nicolic Vasilievich Novoseletsky, Dolgoprudniv, RU;
Victor Yurievich Reshetnyak, Kiev, UA;
Yuriy Alexandrovich Reznikov, Kiev, UA;
Martin Schadt, Seltisberg, CH;
Klaus Schmitt, Lorrach, DE;
Rolic AG, Zug, CH;
Abstract
The image-producing device comprises a liquid crystal cell with a liquid crystal (10, 21, 44) between two plates provided with drive electrodes (2, 6; 24, 25; 42, 46) and wall orientation layer (3, 7; 26,27; 43, 45) and an optically anisotropic polymeric additional element (9, 31, 52). The additional element, which can be a separate element or in the form of a coating or a foil stuck directly to the cell, comprises an oriented photopolymer.