نتایج جستجو برای: liquid crystal

تعداد نتایج: 361378  

Journal: :Proceedings of the National Academy of Sciences 1987

2006
W. Lee Wei Lee Yi-Sheng Lu

A new liquid-crystal device for flexible display applications was developed using twofold polymerization process. The cell was fabricated from a homogeneous mixture of a liquid crystal and a polymerforming material. Caused by the spatially nonuniform rate of polymerization and wetting properties, largescale anisotropic phase separation of the liquid-crystal blend and the polymer precursor leads...

Journal: :Soft matter 2014
Peter C Mushenheim Nicholas L Abbott

We report the formation and characterization of hierarchical ordering in systems comprised of micrometer-sized droplets of thermotropic nematic liquid crystals (LCs) dispersed in continuous nematic phases of a lyotropic chromonic LC (disodium cromoglycate (DSCG)). Significantly, we find the orientations of the two LC phases to be coupled, with nematic droplets of 4'-pentyl-4-cyanobiphenyl (5CB)...

2013
Jeong In Han

IR sensor synchronizing active shutter glasses for three-dimensional high definition television (3D HDTV) were developed using a flexible liquid crystal (FLC) lens. The FLC lens was made on a polycarbonate (PC) substrate using conventional liquid crystal display (LCD) processes. The flexible liquid crystal lens displayed a maximum transmission of 32% and total response time of 2.56 ms. The tran...

In this paper excitation characteristics of the Liquid Crystal (LC) capacitive chemical and biological sensor are examined and the optimum frequency and voltage range for the sensor interface are introduced. Interdigitated capacitor has been used for the sensor capacitance measurement and two different molecular orientations, homeotropic and homogenous, have been considered. The LC sensor capac...

Journal: :Chemical communications 2010
Chunhua Wang Fangkai Du Helou Xie Hailiang Zhang Erqiang Chen Qifeng Zhou

Two novel semirigid smart polymers based on mesogen-jacketed liquid crystal polymers were successfully synthesized via free radical polymerization, which showed both characteristic liquid crystal properties of mesogen-jacketed liquid crystal polymers and remarkably reversible thermoresponsive phase transition behaviors.

Journal: :Optics express 2008
Yi-Hsin Lin Hongwen Ren Yung-Hsun Wu Shin-Tson Wu Yue Zhao Jiyu Fang Hung-Chun Lin

An electrically tunable wettability in a liquid crystal/ polymer composite film is demonstrated, in which liquid crystal molecules are anchored among polymer grains. The tunable wettability of the composite films originates from the reorientation of the anchored liquid-crystal molecules, which is switched by an in-plane electric field with squared pulses of voltages. These liquid crystal/polyme...

2015
Li Yang Xianhe Huang

The frequency response of quartz crystal microbalance loaded by single-drop liquid is studied in this paper. Previous studies have shown that the relationship between resonant frequency and properties of liquid by completely immersing one side of the crystal in liquid. In this work, only localized portion of crystal was wetted by liquid droplet. Repeated experiment shows the relationship betwee...

Journal: :Liquid Crystals Today 2018

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