Abstract
We fabricated a privacy film that can be electrically switched between a wide viewing angle (Share) mode and a narrow viewing angle (Privacy) mode using Polymer Dispersed Liquid Crystal (PDLC) and louver. Both transmittance and privacy performance can be maximized through the optimization of the Back Light Unit (BLU) optical characteristics and the lamination of each PDLC and louver film. We named this technology as Viewing angle Control Film (VCF). Each share and privacy mode can perform its maximum feature independently through this VCF technology.
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