Refractive-index matching between liquid crystals and photopolymers

Jun Li; Greg Baird; Yi-Hsin Lin; Hongwen Ren; Shin Tson Wu

doi:10.1889/1.2150371

Refractive-index matching between liquid crystals and photopolymers

Jun Li^*, Greg Baird, Yi-Hsin Lin, Hongwen Ren, Shin Tson Wu

^*Corresponding author for this work

Department of Photonics

Research output: Contribution to journal › Article › peer-review

71 Scopus citations

Abstract

Refractive indices of two photocurable polymers, NOA65 and NOA81 (Norland Optical Adhesive), and two series of Merck liquid crystals, E-series (E44, E48, and E7) and BL-series (BL038, BL003 and BL006), and two UCF high-birefringence liquid-crystal mixtures were measured using an Abbe refractometer in the visible spectral region and 15-55°C temperature range. Some liquid crystals have excellent index matching with NOA65 in the red, while some fit better in the blue spectral region. To validate this index-matching property found in the material level, we prepared some polymer-dispersed liquid-crystal devices. Good correlations between material and device performances are obtained.

Original language	English
Pages (from-to)	1017-1026
Number of pages	10
Journal	Journal of the Society for Information Display
Volume	13
Issue number	12
DOIs	https://doi.org/10.1889/1.2150371
State	Published - 1 Dec 2005

Keywords

Liquid crystals
Norland polymers
Polymer-dispersed liquid crystals
Refractive index

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title = "Refractive-index matching between liquid crystals and photopolymers",

abstract = "Refractive indices of two photocurable polymers, NOA65 and NOA81 (Norland Optical Adhesive), and two series of Merck liquid crystals, E-series (E44, E48, and E7) and BL-series (BL038, BL003 and BL006), and two UCF high-birefringence liquid-crystal mixtures were measured using an Abbe refractometer in the visible spectral region and 15-55°C temperature range. Some liquid crystals have excellent index matching with NOA65 in the red, while some fit better in the blue spectral region. To validate this index-matching property found in the material level, we prepared some polymer-dispersed liquid-crystal devices. Good correlations between material and device performances are obtained.",

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AU - Li, Jun

AU - Baird, Greg

AU - Lin, Yi-Hsin

AU - Ren, Hongwen

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AB - Refractive indices of two photocurable polymers, NOA65 and NOA81 (Norland Optical Adhesive), and two series of Merck liquid crystals, E-series (E44, E48, and E7) and BL-series (BL038, BL003 and BL006), and two UCF high-birefringence liquid-crystal mixtures were measured using an Abbe refractometer in the visible spectral region and 15-55°C temperature range. Some liquid crystals have excellent index matching with NOA65 in the red, while some fit better in the blue spectral region. To validate this index-matching property found in the material level, we prepared some polymer-dispersed liquid-crystal devices. Good correlations between material and device performances are obtained.

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Refractive-index matching between liquid crystals and photopolymers

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Keywords

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