Studies of polymer-stabilized cholesteric texture films

Andy Ying-Guey Fuh; Chi-Yen Huang; Chi-Huang Lin; Tsung-Chih Ko

doi:10.1117/12.389405

30 June 2000 Studies of polymer-stabilized cholesteric texture films

Andy Ying-Guey Fuh, Chi-Yen Huang, Chi-Huang Lin, Tsung-Chih Ko

Proceedings Volume 4079, Display Technologies III; (2000) https://doi.org/10.1117/12.389405
Event: Photonics Taiwan, 2000, Taipei, Taiwan

Abstract

We report the results obtained from the studies of polymer- stabilized cholesteric texture films. Two sets of samples were fabricated. The first set were fabricated by adding various ferroelectric liquid crystal (SmC*) dopant concentrations in the mixtures. The second were fabricated using a dual-frequency liquid crystal. The experimental results obtained from the first set show that adding a small amount of SmC* could significantly improve the cells' electro-optical characteristics. Both the driving threshold voltage and the rise time were decreased, while the hysteresis width was increased. The result from the second set shows there exists a pronounced hysteresis effect in the transmission versus frequency curve at a given applied voltage. The hysteresis width is increasing as the applied voltage is increasing. A display mode is proposed based on this bistable feature.

Citation Download Citation

Andy Ying-Guey Fuh, Chi-Yen Huang, Chi-Huang Lin, and Tsung-Chih Ko "Studies of polymer-stabilized cholesteric texture films", Proc. SPIE 4079, Display Technologies III, (30 June 2000); https://doi.org/10.1117/12.389405

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