Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
December 8, 2009
Patent Application Number
12318707
Date Filed
January 7, 2009
Patent Primary Examiner
Patent abstract
An optical element of the invention comprises at least two laminated layers of reflective polarizer; and at least one retardation layer for changing polarization properties laminated between the reflective polarizers, the combination of the layers being designed so as to provide a incident-light transmittance depending on an incident angle of an incident light and designed such that a shielded light is not absorbed but reflected. The optical element can effectively shield transmitted lights with respect to obliquely incident lights and can control coloring.
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