Electro-optic Effects in Polymer - Liquid Crystal Composite Materials PDF Download
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Author: Mona Karlsson
Publisher:
ISBN:
Category :
Languages : en
Pages : 48
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Book Description
Author: Mona Karlsson
Publisher:
ISBN:
Category :
Languages : en
Pages : 48
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Book Description
Author: Francesco Simoni
Publisher: World Scientific
ISBN: 9789810217518
Category : Science
Languages : en
Pages : 282
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Book Description
This monograph is devoted to a detailed treatment of the nonlinear optical properties of liquid crystals. The basic concepts of director optical reorientation and thermal nonlinearities are presented showing the fundamental theoretical approaches and describing the main experimental observations. The presentation is self-consistent and tutorial although the subject matter is of current research interest.The last part of the book deals with more recent results on new composite materials: Polymer Dispersed Liquid Crystals (PDLC). A general presentation of the optical properties is given and the observations of several nonlinear optical effects are reported.
Author: A. I. Hopwood
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Morteza Sasani Ghamsari
Publisher: BoD – Books on Demand
ISBN: 1789853672
Category : Science
Languages : en
Pages : 200
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Book Description
Liquid crystals have attracted scientific attention for potential applications in advanced devices. Display technology is continuously growing and expanding and, as such, this book provides an overview of the most recent advances in liquid crystals and displays. Chapters cover such topics as nematic liquid crystals, active matrix organic light-emitting diodes, and tetradentate platinum(II) emitters, among others.
Author: Birendra Bahadur
Publisher: World Scientific
ISBN: 9789810229757
Category : Science
Languages : en
Pages : 608
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Book Description
Types and classification of liquid crystals. Theories of liquid crystals. Dynamic scattering mode LCDs.
Author: P. M. Visakh
Publisher: Woodhead Publishing
ISBN: 0128221631
Category : Technology & Engineering
Languages : en
Pages : 306
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Book Description
Liquid Crystal Polymer Nanocomposites summarizes, in a comprehensive manner, numerous modern technical research accomplishments on the development of nanocomposites from liquid crystalline polymers. It emphasizes various studies at the nano-scale, including discussions of liquid crystalline block copolymers, liquid crystalline epoxy nanocomposites, barrier property studies of liquid crystalline epoxy and their nanocomposites, liquid crystalline polymer-based microfibrillar and nanofibrillar composites, liquid crystalline polymer/nanoplatelet nanocomposites, liquid-crystalline elastomer/graphene oxide nanocomposites, and thermotropic liquid crystalline polymers. It provides detailed information on methods of preparation, the properties of these materials and a discussion on the structure-properties relationship. With an emphasis on data and experimental results, the book's authors illustrate how the liquid crystal structure can have an impact on the final properties of nanocomposite. Contains contributions from leading experts working in this specialized field of research Provides detailed information on the preparation, characterization and application of nanocomposites of liquid crystalline polymers Presents solutions to both fundamental and applied problems
Author: Libo Weng
Publisher:
ISBN:
Category : Polymer liquid crystals
Languages : en
Pages : 136
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Book Description
There has been a wide range of liquid crystal polymer composites that vary in polymer concentration from as little as 3 wt.% (polymer stabilized liquid crystal) to as high as 60 wt.% (polymer dispersed liquid crystals). In this dissertation, an approach of surface polymerization based on a low reactive monomer concentration about 1 wt.% is studied in various liquid crystal operation modes. The first part of dissertation describes the development of a vertical alignment (VA) mode with surface polymer stabilization, and the effects of structure-performance relationship of reactive monomers (RMs) and polymerization conditions on the electro-optical behaviors of the liquid crystal device has been explored. The polymer topography plays an important role in modifying and enhancing the electro-optical performance of stabilized liquid crystal alignment. The enabling surface-pinned polymer stabilized vertical alignment (PSVA) approach has led to the development of high-performance and fast-switching displays with controllable pretilt angle, increase in surface anchoring energy, high optical contrast and fast response time. The second part of the dissertation explores a PSVA mode with in-plane switching (IPS) and its application for high-efficiency and fast-switching phase gratings. The diffraction patterns and the electro-optical behaviors including diffraction efficiency and response time are characterized. The diffraction grating mechanism and performance have been validated by computer simulation. Finally, the advantages of surface polymerization approach such as good optical contrast and fast response time have been applied to the fringe-field switching (FFS) system. The concentration of reactive monomer on the electro-optical behavior of the FFS cells is optimized. The outstanding electro-optical results and mechanism of increase in surface anchoring strength are corroborated by the director field simulation. The density and topology of nanoscale polymer protrusions are analyzed and confirmed by morphological study. The developed high-performance polymer-stabilized fringe-field-switching (PS-FFS) could open new types of device applications.
Author: Ingo Dierking
Publisher: Royal Society of Chemistry
ISBN: 1782629823
Category : Science
Languages : en
Pages : 386
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Book Description
Describing all aspects of polymer-dispersed and polymer-stabilized liquid crystals, this book is a must-have resource for practitioners in the area.
Author: Vijay Kumar Thakur
Publisher: Springer
ISBN: 3319202707
Category : Technology & Engineering
Languages : en
Pages : 536
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Book Description
This book introduces various applications of liquid crystalline polymers as the emerging new class of high performance novel materials. The authors detail the advantageous properties of these LCs including optical anisotropic, transparency and easy control over structure. This interdisciplinary work includes valuable input from international projects with special focus on the use of liquid crystalline polymers and/or nanocomposites.
Author: Iam-Choon Khoo
Publisher: World Scientific
ISBN: 9789810209346
Category : Science
Languages : en
Pages : 442
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Book Description
This is a monograph/text devoted to a detailed treatment of the optical, electro-optical and nonlinear optical properties of all the mesophases of liquid crystals and related processes, phenomena and application principles. Quantitative data on material and optical parameters spanning the ultraviolet, visible, infrared as well as the microwave regimes are presented along with detailed theoretical treatments of basic liquid crystal physics, material properties and nonlinear optics.Starting with a discussion on the basic building blocks of liquid crystalline molecules, the authors proceed to present in a pedagogical manner current theories, experiments, and applications of these unique and important optical properties of liquid crystals. Numerous tables of hard-to-find liquid crystalline parameters, a self-contained chapter on general nonlinear optics, and comprehensive literature review are also included.
