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:
Nov. 27, 2007
Filed:
Sep. 23, 2002
Johannes T. A. Wilderbeek, Veghel, NL;
Dirk J. Broer, Geldrop, NL;
Cornelis W. M. Bastiaansen, Montfort, NL;
Johannes T. A. Wilderbeek, Veghel, NL;
Dirk J. Broer, Geldrop, NL;
Cornelis W. M. Bastiaansen, Montfort, NL;
Stichting Dutch Polymer Institute, Eindhoven, NL;
Abstract
The invention pertains to an alignment layer capable of aligning liquid crystal material, the alignment layer comprising: a first sublayer having regions capable of aligning the liquid crystal material in a first alignment, a second sublayer having regions capable of aligning the liquid crystal material in a second alignment, the first and the second alignment being different, the second sublayer overlaying the first sublayer and covering in accordance with a pre-determined pattern the first sublayer to provide, at desired locations, second sublayer regions capable of aligning the liquid crystal material and, at desired locations, regions of the underlying first sublayer that are not covered by the second sublayer, and to a method of making this alignment layer. The invention further relates to an optical or electro-optical device comprising said alignment layer.