Open AccessLight distribution control of layer-structured PDLC fabricated by using micro lens structure and anisotropically diffused UV light
Author(s) -
Takahiro Ishinabe,
Yoshimasa Horii,
Yosei Shibata,
Hideo Fujikake
Publication year - 2019
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.27.013416
Subject(s) - materials science , optics , illuminance , optoelectronics , lens (geology) , polarization (electrochemistry) , polymer , monomer , layer (electronics) , irradiation , chemistry , nanotechnology , composite material , physics , nuclear physics
We have established a method to control the polymer aggregation structure of the PDLCs by using a micro-lens structure and irradiating them with uni-directionally diffused UV light. The micro-lens structure on the surface of the substrate produced an uneven illuminance distribution of UV light in the LC-monomer mixture, and the monomer was polymerized along the direction of UV light irradiation at positions where the UV illuminance was high and formed a layered structure. The proposed PDLCs could control the light diffusion distribution by the internal polymer aggregation structure and had a high diffusion efficiency without polarization dependency in the haze value.