High contrast polymer-dispersed liquid crystal in a 90° twisted cell

Yi-Hsin Lin*, Hongwen Ren, Shin Tson Wu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

86 Scopus citations

Abstract

A polymer dispersed liquid crystal (T-PDLC) confined in a 90° twisted cell was discussed. A comparison between the contrast ratios of T-PDLC and conventional PDLC was done by measuring their voltage-dependent transmittance. The T-PDLC was found to be polarization independent and was exhibiting higher contrast ratio and more efficient light scattering than conventional PDLC. The study on a black and white segmented-alphabet reflective display using 2% dye-doped T-PDLC showed a higher contrast ratio.

Original languageEnglish
Pages (from-to)4083-4085
Number of pages3
JournalApplied Physics Letters
Volume84
Issue number20
DOIs
StatePublished - 17 May 2004

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