Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Cornelis W. M. Bastiaansen0
Carlos Sanchez0
Dirk J. Broer0
Michael J. Escuti0
Date of Patent
April 6, 2010
0Patent Application Number
118169160
Date Filed
February 28, 2006
0Patent Citations Received
0
0
...
Patent Primary Examiner
Patent abstract
A polarization grating comprising a polarization sensitive photo-alignment layer (2) and a liquid crystal composition (3) arranged on said photo-alignment layer is provided. An alignment pattern, corresponding to the polarization pattern of a hologram, is recorded in the photo-alignment layer, and the liquid crystal composition is aligned on the photo-alignment layer. As the origin for the alignment of the liquid crystal composition is a polarization hologram recorded in a photo-alignment layer, an essentially defect-free pattern can be obtained with this approach.
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