Liquid crystal micro-lenticular array assembled by a fringing field | Zendy

Miao Xu | Zendy; Hongwen Ren | Zendy; Changwoon Nah | Zendy; Seung Hee Lee | Zendy; Yifan Liu | Zendy

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Liquid crystal micro-lenticular array assembled by a fringing field

Author(s) -

Miao Xu,

Hongwen Ren,

Changwoon Nah,

Seung Hee Lee,

Yifan Liu

Publication year - 2012

Publication title -

journal of applied physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.699

H-Index - 319

eISSN - 1089-7550

pISSN - 0021-8979

DOI - 10.1063/1.3694738

Subject(s) - liquid crystal , materials science , electrode , monomer , morphology (biology) , grating , optics , phase (matter) , electric field , field (mathematics) , optoelectronics , nanotechnology , chemistry , polymer , physics , composite material , biology , genetics , mathematics , organic chemistry , quantum mechanics , pure mathematics

Based on dielectrophoretic effect, the phase separation morphology of liquid crystal (LC) in a liquid monomer can be manipulated by a fringing field. Applying the fringing field generated from interdigitated electrode upon the LC/monomer mixture, the randomly dispersed LC droplets can be assembled to grating-like stripes. When the field is removed, the LC stripes break into tiny droplets again. This process is reversible and stable. Our results show that the surface profile of each LC stripe exhibits a lenticular shape. The response time of the LC morphology converting from droplets to stripes and from stripes to droplets is ~0.96 s. Potential applications of this controllable morphology can be found in optical communications, beam steering, imaging, and displays.

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