Bent-core liquid crystal-functionalised flexible polymer substrates for liquid crystal alignment

Sivaranjini, B.; Ganesh, V.; Umadevi, S.

doi:10.1080/02678292.2019.1685135

Cited by 11 publications

(2 citation statements)

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“…One of these devices is flexible optically rewritable electronic paper (ORW e-paper), which is a reflective display with a photosensitive substrate coated by an azo dye layer with a thickness of 10-15 nm [2][3][4][5][6][7][8][9][10][11]. This display technology has gained significant attention from scholars due to its light weight, low cost, small thickness and easy processing [12][13][14][15]. A shining example of the recent application of liquid crystals with photoalignment technology is the ProMotion display technology, used in iPad Pro displays [16].…”

Section: Introductionmentioning

confidence: 99%

Flexible Optically Rewritable Electronic Paper

Chigrinov,

Kudreyko,

Sun

2023

Crystals

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In this article, we present the procedure of preparation of flexible electronic paper with a photosensitive azo dye layer as the key element for changing the orientation of the polarization plane. The main steps of the technology for the fabrication of flexible e-paper are reported. The possible production of Digital Mirror Devices and the roll-to-roll process is discussed. Images on flexible e-paper are demonstrated, including bank card options. The advantages of optically rewritable e-paper technology in comparison with the e-ink usually used for this purpose are highlighted. Potential applications of flexible optically rewritable e-paper include price tags for supermarkets, indoor and outdoor advertisements, smart card labels, etc.

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Section: Introductionmentioning

confidence: 99%

Flexible Optically Rewritable Electronic Paper

Chigrinov,

Kudreyko,

Sun

2023

Crystals

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“…In fact, flexible substrates have gained a significant attention in recent years, owing to their unprecedented properties, such as light-weight, low cost, small thickness, easy processing and popularity of the devices incorporating flexible components [3][4][5]. Several plastic materials, e.g., polyethylene terephthalate (PET), polycarbonate and polyethersulfone, have been explored as substrates for different applications [6,7]. Meanwhile, improvement of the cell gap uniformity still remains one of the main problems, which needs to be solved for conservation of the ORW e-paper optical quality.…”

Section: Introductionmentioning

confidence: 99%

Structural and Optical Characteristics of Flexible Optically Rewritable Electronic Paper

Kudreyko

Chigrinov

2022

Crystals

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A comprehensive theory of light-reflective characteristics and experimental technique of liquid crystal layer thickness control for flexible optically rewritable electronic paper is presented. Cylindrical pillars were used to control the gap between flexible substrates. The introduced prototype of optically rewritable electronic paper has shown very promising performance. In this regard, we report theoretical results of structural photosensitive alignment of nematic liquid crystals on flexible substrate. The focus of theoretical study is on understanding the self-assembled complex structure, governed by the interplay between surface anchoring and liquid crystal elasticity. Mueller matrix spectroscopic ellipsometry was used to study light-reflecting characteristics and polarization properties of the twisted nematic film.

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Supramolecular Versatility of Bent‐Shaped Molecules

Ros

2023

Supramolecular Nanotechnology

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Bent-core liquid crystal-functionalised flexible polymer substrates for liquid crystal alignment

Cited by 11 publications

References 50 publications

Flexible Optically Rewritable Electronic Paper

Flexible Optically Rewritable Electronic Paper

Structural and Optical Characteristics of Flexible Optically Rewritable Electronic Paper

Supramolecular Versatility of Bent‐Shaped Molecules

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