Electro-optical switches based on polymer and dendrimer filled nematics

Boxtel, Marysia van; Broer, Dirk J.; Bastiaansen, Cees W. M.; Baars, Maurice W. P. L.; Janssen, Rob

doi:10.1002/1521-3900(200004)154:1<25::aid-masy25>3.0.co;2-x

Cited by 14 publications

(8 citation statements)

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“…[54,[285][286][287][288][289][290] 2) Composites consisting of liquid crystals and self-assembled solid materials made of low-molecular-weight organic compounds [24,57] or nanoparticles. [291,292] This is a relatively new type of self-organized anisotropic soft solid.…”

Section: Liquid-crystal Compositesmentioning

confidence: 99%

“…Organic and inorganic nanoparticles have been incorporated into low-molecular-weight liquid crystals to develop switchable electro-optical materials. [291,292] The molecular orientation and defect formation is affected by the existence of nanoparticles. [311,312] Nanoparticles dispersed in nematic liquid crystals assemble into a network of ordered interconnected aggregates, resulting in anisotropic soft solid materials.…”

Section: Liquid Crystals With Nanoparticles and Micellesmentioning

confidence: 99%

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Functional Liquid‐Crystalline Assemblies: Self‐Organized Soft Materials

2005

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In the 21st century, soft materials will become more important as functional materials because of their dynamic nature. Although soft materials are not as highly durable as hard materials, such as metals, ceramics, and engineering plastics, they can respond well to stimuli and the environment. The introduction of order into soft materials induces new dynamic functions. Liquid crystals are ordered soft materials consisting of self-organized molecules and can potentially be used as new functional materials for electron, ion, or molecular transporting, sensory, catalytic, optical, and bio-active materials. For this functionalization, unconventional materials design is required. Herein, we describe new approaches to the functionalization of liquid crystals and show how the design of liquid crystals formed by supramolecular assembly and nano-segregation leads to the formation of a variety of new self-organized functional materials.

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Section: Liquid-crystal Compositesmentioning

confidence: 99%

Section: Liquid Crystals With Nanoparticles and Micellesmentioning

confidence: 99%

Functional Liquid‐Crystalline Assemblies: Self‐Organized Soft Materials

2005

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“…4.2.5. 4-Butoxy-2,3-difluoro-49-(10-hydroxydecyloxy)biphenyl (7). A solution of 6 (5.8 g, 20 mmol), 10-bromodecanol (6.0 ml, 30 mmol), and K 2 CO 3 (5.5 g, 40 mmol) in 2-butanone (70 ml) was stirred under reflux for 12 h under nitrogen.…”

Section: Methodsmentioning

confidence: 99%

Structures and properties of dendrimers having peripheral 2,3‐difluorobiphenyl mesogenic units: effects of dendrimer generation

et al. 2005

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1st-5th generation poly(propyleneimine) dendrimers having peripheral 2,3-difluorobiphenyl mesogenic groups have been synthesized. They exhibited smectic liquid crystalline behaviour. All the liquid crystalline dendrimers exhibited a smectic A (SmA) phase and a crystal E (E) phase. The SmA-isotropic phase transition temperature increased with increasing generation. In addition, a homeotropic structure was spontaneously formed on a glass plate in the SmA phase for the 2nd, 3rd, and 4th generation dendrimers. The hometropic structure remained unchanged in the phase.

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“…But also here there are many developments to stabilize the molecular organization in this layer by a polymeric network or to replace it by a fully polymerized LC film thus creating a solid state electro-optical switch that improves the display especially on manufacturing concepts [10][11][12][13][14][15]. And a step towards an allplastic display could be to replace the glass substrates by stable plastics [16,17].…”

Section: Functional Polymers Essential In Modern Displaysmentioning

confidence: 99%

Review: Progress in liquid crystal displays by new developments in functional polymers

2001

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Functional polymers have become essential in the functioning and performance of many products for information and communication technologies. Special polymers have been constructed with an accurate control over their morphology to a size down to the wavelength of light. These polymers improve liquid crystal displays on eye-catching properties like brightness and viewing angle. The improved energy efficiency is crucial for the mobile communication equipment in today's information society.

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Electro-optical switches based on polymer and dendrimer filled nematics

Cited by 14 publications

References 0 publications

Functional Liquid‐Crystalline Assemblies: Self‐Organized Soft Materials

Functional Liquid‐Crystalline Assemblies: Self‐Organized Soft Materials

Structures and properties of dendrimers having peripheral 2,3‐difluorobiphenyl mesogenic units: effects of dendrimer generation

Review: Progress in liquid crystal displays by new developments in functional polymers

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