An optical component includes a birefringent liquid-crystal layer, which has at least two regions with different optical axes, wherein an optical delay of the liquid-crystal layer in each of the at least two regions depends on an angle of observation that differs from the angle of observation of other of the...
source Optical Component patent applications http://www.freshpatents.com/-dt20140102ptan20140002780.php
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source Optical Component patent applications http://www.freshpatents.com/-dt20140102ptan20140002780.php
via
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