Molecular Crystals and Liquid Crystals Science and Technology, Section A: Molecular Crystals and Liquid Crystals p. 209 - 216 (2000)
Update date:2022-08-05
Topics:
Tanaka, Toshihiko
Sekine, Chizu
Ashida, Toru
Ishitobi, Masamitsu
Konya, Naoto
Minai, Masayoshi
Fujisawa, Koichi
Two kinds of novel molecular materials with high optical anisotropy were synthesized and evaluated. Liquid crystalline phenylacetylene derivatives, which have mesogen of a 1,4-Bis(phenylethynyl)benzene, not only showed high Δn but also were stable for heating or light. Triphenodioxazine derivatives were highly dichroic in guest-host liquid crystal mixtures, where they also showed vivid color due to a sharp peak in absorption spectra. Hence, these molecules possibly improve visual performance of some reflection type liquid crystal displays (LCDs).
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