Switchable Aperture of Liquid Crystal Lens Array Fabricated with a Hole-Array Patterned Metal Foil Spacer. - Hsu, Yung-Hsiang; Lu, Wei-Yi; Wu, Tsung-Tai; Hung, Chi-Yen; Chou, Yi-Chin; Wu, Bang-Hao; Sheu, Chia-Rong (Molecular Crystals & Liquid Crystals, 2015)