Optical components, namely optical filters, using retarder stack technology to control and correct polarization inefficiencies in optical systems that use liquid crystals, primarily for use in digital televisions, and projections systems, namely rear projection televisions, high resolution business presentation projectors, and home theatre units

'busi':38 'compon':2 'control':11 'correct':13 'crystal':22 'digit':27 'filter':5 'high':36 'home':42 'ineffici':15 'liquid':21 'name':3,32 'optic':1,4,17 'polar':14 'present':39 'primarili':23 'project':30,34 'projector':40 'rear':33 'resolut':37 'retard':7 'stack':8 'system':18,31 'technolog':9 'televis':28,35 'theatr':43 'unit':44 'use':6,20,25

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