A simulation of diffractive liquid crystal smart window for privacy application

Author:

Han Chan-Hee,Eo Hyeonseok,Choi Tae-Hoon,Kim Wook-Sung,Oh Seung-Won

Abstract

AbstractUsing a single substrate, we demonstrate a simple two-dimensional (2-D) phase grating cell with an octothorp electrode. Owing to the large spatial phase difference in any direction, the proposed grating cell has a high haze value in the opaque state (76.7%); Moreover, it has the advantages of a one-dimensional (1-D) phase grating cell, such as high fabricability, fast response time, and low operating voltage. Furthermore, the proposed grating cell has a faster response time than the 2-D grating cell (comparable to a 1-D grating cell). All the electro-optic parameters have been calculated using a commercial modeling tool. Consequently, we expect our proposed grating cell to find applications in virtual reality (VR)/augmented reality (AR) systems or window displays with fast response times.

Funder

National Research Foundation of Korea

Publisher

Springer Science and Business Media LLC

Subject

Multidisciplinary

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