Dye-type liquid-crystal displays

Toriyama, Kazuhisa; Ishibashi, Tadashi; Suzuki, Kouji; Satoh, Motohiro

doi:10.1109/t-ed.1983.21155

Cited by 4 publications

(3 citation statements)

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“…These difficulties are avoided in the reverse-mode White-Taylor display. 13,14 The display uses homeotropic alignment layers which can be fabricated by dip coating a silane surfactant. The liquid crystal is a long-pitch cholesteric liquid crystal with negative dielectric anisotropy.…”

Section: Guest-host Liquid-crystal Reflective Displaysmentioning

confidence: 99%

Review of operating principle and performance of polarizer‐free reflective liquid‐crystal displays

Yang¹

2008

J Soc Info Display

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Section: Guest-host Liquid-crystal Reflective Displaysmentioning

confidence: 99%

Review of operating principle and performance of polarizer‐free reflective liquid‐crystal displays

Yang¹

2008

J Soc Info Display

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“…In general, nalkylphenoxycarbonyl derivatives (dyes [14][15][16][17][18][19][20] are more soluble than their n-alkoxy analogues (dyes 24-26). Further, it has been found that branching in the alkyl group on the phenoxycarbonyl moiety causes a marked change in the solubility: the solubilities for dyes 21, 22 and 23 are considerably lower than those for the corresponding n-alkyl derivatives (dyes 15 and 19).…”

Section: -3 Solubilitymentioning

confidence: 99%

“…A very interesting substituent effect is observed for dyes 9-13. Although these dyes have no rigid aromatic substituents in the 2-position, they exhibit high order parameters (0.76-0.78) comparable to those of their aromatic analogues (dyes [14][15][16][17][18][19][20]. The remarkable ordering of dyes 9-13 can be attributed to the presence of a fruns-4'-alkylcyclohexyl group.…”

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Order Parameters of β-Substituted Anthraquinone Dyes II: 1,4-Diaminoanthraquinone Derivatives

Imazeki

Mukoh

Ozawa

et al. 1989

Molecular Crystals and Liquid Crystals Incorporating Nonlinear

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A study is presented of the optical order parameters and spectroscopic properties of 1,4-diaminoanthraquinone derivatives containing various substituents in the 2-position in a nematic liquid crystalline mixture composed of cyanophenylcyclohexane derivatives. The results are discussed in terms of the effects of the dye structure on the order parameters. By introducing a rruns-4'-alkylcyclohexyloxycarbony1 or aryloxycarbonyl group into the 2-position, blue dyes have been obtained which show high order parameters and solubilities.

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Electric Field‐Induced Phase Transitions in Electro‐Optic Cell with Dielectrically Negative Chiral Nematic Liquid Crystal

Pirkl

1993

Cryst. Res. Technol.

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Behaviour of a chiral nematic mixture with a negative dielectric anisotropy was studied between two electrodes with homeotropic anchoring in the presence of an a.c. electric field. By changing the sample thickness d and field strength E at constant cholesteric pitch p , the phase. diagram in the parameter plane (d/p, E ) was determined. Usefullness of this diagram for realization of positive contrast dichroic LC displays with nematic-cholesteric phase change is discussed.Das Verhalten eines chiralen nematischen Gemisches mit negativ dielektrischer Anisotropie wurde unter Anwendung eines elektrischen Wechselspannungsfeldes zwischen homeotrop orientierenden Elektroden untersucht. Durch Anderung der Probendicke d und der Feldstarke E bei konstanter Ganghohe p der cholesterischen Struktur, wurde das Phasendiagramm (d/p, E) aufgenommen. Die Nutzlichkeit dieses Diagramms fur die Realisierung von dichroischen LC-Displays mit positivem Kontrast bei einer nematisch-cholesterischen Phasenanderung wird diskutiert.

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Dye-type liquid-crystal displays

Cited by 4 publications

References 0 publications

Review of operating principle and performance of polarizer‐free reflective liquid‐crystal displays

Review of operating principle and performance of polarizer‐free reflective liquid‐crystal displays

Order Parameters of β-Substituted Anthraquinone Dyes II: 1,4-Diaminoanthraquinone Derivatives

Electric Field‐Induced Phase Transitions in Electro‐Optic Cell with Dielectrically Negative Chiral Nematic Liquid Crystal

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