Low driving voltage with clean aligned ferroelectric liquid crystal devices

Chi Wen Lin; Kun Zhan Li; Chin Wei Yang; Huang-Ming Chen

doi:10.1889/1.2785379

Low driving voltage with clean aligned ferroelectric liquid crystal devices

Chi Wen Lin, Kun Zhan Li, Chin Wei Yang, Huang-Ming Chen^*

^*Corresponding author for this work

National Chiao Tung University

Research output: Contribution to journal › Conference article

Abstract

Low driving voltage FLC material, R3206 with Vsat. at 3.5 V (AZ Electronic Materials), and its mixtures were under evaluation for potential TFT display application. Poor alignment issue was overcome by the diluted pitch mixtures and asymmetric hybrid alignment cells. In the series of diluted pitch mixtures, the contrast and alignment are better than pure compound in pre-made cells (1.8±0.1μm, from EHC). In particular, the 70% R3206 mixture showed the best result with low driving voltage below 5 V and fast response time (Τ _on + Τ _off) under 1.1 ms. The hybrid alignment cell was successfully suppressed horizontal chevron defects and achieved the best contrast ratio of 750. These results provide promising FLC materials with low driving voltage, well aligned, and fast switching for TFT-LCD application.

Original language	English
Pages (from-to)	622-624
Number of pages	3
Journal	Digest of Technical Papers - SID International Symposium
Volume	38
Issue number	1
DOIs	https://doi.org/10.1889/1.2785379
State	Published - 1 Jan 2007
Event	2007 SID International Symposium - Long Beach, CA, United States Duration: 23 May 2007 → 25 May 2007

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10.1889/1.2785379

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Lin, C. W., Li, K. Z., Yang, C. W., & Chen, H-M. (2007). Low driving voltage with clean aligned ferroelectric liquid crystal devices. Digest of Technical Papers - SID International Symposium, 38(1), 622-624. https://doi.org/10.1889/1.2785379

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abstract = "Low driving voltage FLC material, R3206 with Vsat. at 3.5 V (AZ Electronic Materials), and its mixtures were under evaluation for potential TFT display application. Poor alignment issue was overcome by the diluted pitch mixtures and asymmetric hybrid alignment cells. In the series of diluted pitch mixtures, the contrast and alignment are better than pure compound in pre-made cells (1.8±0.1μm, from EHC). In particular, the 70% R3206 mixture showed the best result with low driving voltage below 5 V and fast response time (Τ on + Τ off) under 1.1 ms. The hybrid alignment cell was successfully suppressed horizontal chevron defects and achieved the best contrast ratio of 750. These results provide promising FLC materials with low driving voltage, well aligned, and fast switching for TFT-LCD application.",

author = "Lin, {Chi Wen} and Li, {Kun Zhan} and Yang, {Chin Wei} and Huang-Ming Chen",

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