Effect of insulating-nanoparticles addition on ion current and voltage-holding ratio in nematic liquid crystal cells | Zendy

Pei-Shiang Chen | Zendy; Chiu-Chung Huang | Zendy; Yung-Wei Liu | Zendy; Chih-Yu Chao | Zendy

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Effect of insulating-nanoparticles addition on ion current and voltage-holding ratio in nematic liquid crystal cells

Author(s) -

Pei-Shiang Chen,

Chiu-Chung Huang,

Yung-Wei Liu,

Chih-Yu Chao

Publication year - 2007

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.2740581

Subject(s) - liquid crystal , materials science , carbon nanotube , electric field , voltage , threshold voltage , doping , phase (matter) , ion , optoelectronics , transient (computer programming) , diamond , liquid crystal display , analytical chemistry (journal) , nanotechnology , composite material , chemistry , electrical engineering , chromatography , organic chemistry , physics , engineering , transistor , quantum mechanics , computer science , operating system

The transient currents induced by an applied direct voltage (dc) electric field have been measured liquid-crystal cells in nematic phase. The experimental results show that the addition of insulating nanoparticles, such as diamond powders, leads to a reduction of the ion concentration in cells so as to drastically reduce the transient currents and threshold voltage. Simultaneously, a high voltage-holding ratio (VHR) in doped cells is observed. Such a high VHR, in comparison with nematic liquid crystals doped by carbon nanotubes, is a superior feature for future liquid crystal display applications.

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