Expanded Viewing Volume of Holographic LC/Polymer Dispersions

概要

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The Holographic-Polymer Dispersed Liquid Crystal (H-PDLC) mode exhibits superb color purity, strong peak reflection efficiency, and the ability to be used in the stacked pixel configuration. The primary weakness of the conventional H-PDLC configuration in the display application is the narrow viewing cone (〜2°) due to its operation as an electrically swithchable Bragg reflector. The intent of this work is to present a method and model for increasing the viewing-angle of an H-PDLC display through the recording of a diffuse hologram. The reflection performance (viewing-angle and color) of this approach will be explored using a simple phenomenological model based on coupled-wave theory.
社団法人電子情報通信学会の論文
2000-10-12