Flexible and reflective polarizer-free liquid crystal displays using dye-doped liquid crystal gels

Yi-Hsin Lin; Jhih Ming Yang; Shie-Chang Jeng; Yan Rung Lin; Chi Chang Liao

doi:10.1117/12.762649

Flexible and reflective polarizer-free liquid crystal displays using dye-doped liquid crystal gels

Yi-Hsin Lin^*, Jhih Ming Yang, Shie-Chang Jeng, Yan Rung Lin, Chi Chang Liao

^*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

6 Scopus citations

Abstract

A flexible and reflective polarizer-free display using dye-doped liquid crystal (LC) gels is demonstrated. The electro-optical performances of both scattering and absorption based dye-doped LC gels depend on curing temperatures. The dye-doped LC gel shows good reflectance ∼55%, good contrast ratio∼450:1 and fast response∼6.5ms at curing temperature 10 °C when UV curing intensity is 2.6 mW/cm². The EO performance depends on the curing temperature. The hysteresis is independent of sampling time duration. The bending curvature is 21 mm. The response of dye-doped LC gels is faster under bending due to the bending-induced sheared force of polymer networks. The dye-doped LC gels open a new window for trimable electronic papers, decorative displays and switchable curtains.

Original language	English
Title of host publication	Emerging Liquid Crystal Technologies III
DOIs	https://doi.org/10.1117/12.762649
State	Published - 15 May 2008
Event	Emerging Liquid Crystal Technologies III - San Jose, CA, United States Duration: 20 Jan 2008 → 22 Jan 2008

Publication series

Name	Proceedings of SPIE - The International Society for Optical Engineering
Volume	6911
ISSN (Print)	0277-786X

Conference

Conference	Emerging Liquid Crystal Technologies III
Country	United States
City	San Jose, CA
Period	20/01/08 → 22/01/08

Keywords

Flexible display
Guest-host
Liquid crystal
Polarizer-free

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title = "Flexible and reflective polarizer-free liquid crystal displays using dye-doped liquid crystal gels",

abstract = "A flexible and reflective polarizer-free display using dye-doped liquid crystal (LC) gels is demonstrated. The electro-optical performances of both scattering and absorption based dye-doped LC gels depend on curing temperatures. The dye-doped LC gel shows good reflectance ∼55%, good contrast ratio∼450:1 and fast response∼6.5ms at curing temperature 10 °C when UV curing intensity is 2.6 mW/cm2. The EO performance depends on the curing temperature. The hysteresis is independent of sampling time duration. The bending curvature is 21 mm. The response of dye-doped LC gels is faster under bending due to the bending-induced sheared force of polymer networks. The dye-doped LC gels open a new window for trimable electronic papers, decorative displays and switchable curtains.",

keywords = "Flexible display, Guest-host, Liquid crystal, Polarizer-free",

author = "Yi-Hsin Lin and Yang, {Jhih Ming} and Shie-Chang Jeng and Lin, {Yan Rung} and Liao, {Chi Chang}",

year = "2008",

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language = "English",

isbn = "9780819470867",

series = "Proceedings of SPIE - The International Society for Optical Engineering",

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note = "null ; Conference date: 20-01-2008 Through 22-01-2008",

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Lin, Y-H, Yang, JM, Jeng, S-C, Lin, YR & Liao, CC 2008, Flexible and reflective polarizer-free liquid crystal displays using dye-doped liquid crystal gels. in Emerging Liquid Crystal Technologies III., 691108, Proceedings of SPIE - The International Society for Optical Engineering, vol. 6911, Emerging Liquid Crystal Technologies III, San Jose, CA, United States, 20/01/08. https://doi.org/10.1117/12.762649

Flexible and reflective polarizer-free liquid crystal displays using dye-doped liquid crystal gels. / Lin, Yi-Hsin; Yang, Jhih Ming; Jeng, Shie-Chang; Lin, Yan Rung; Liao, Chi Chang.

Emerging Liquid Crystal Technologies III. 2008. 691108 (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 6911).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

TY - GEN

T1 - Flexible and reflective polarizer-free liquid crystal displays using dye-doped liquid crystal gels

AU - Lin, Yi-Hsin

AU - Yang, Jhih Ming

AU - Jeng, Shie-Chang

AU - Lin, Yan Rung

AU - Liao, Chi Chang

PY - 2008/5/15

Y1 - 2008/5/15

N2 - A flexible and reflective polarizer-free display using dye-doped liquid crystal (LC) gels is demonstrated. The electro-optical performances of both scattering and absorption based dye-doped LC gels depend on curing temperatures. The dye-doped LC gel shows good reflectance ∼55%, good contrast ratio∼450:1 and fast response∼6.5ms at curing temperature 10 °C when UV curing intensity is 2.6 mW/cm2. The EO performance depends on the curing temperature. The hysteresis is independent of sampling time duration. The bending curvature is 21 mm. The response of dye-doped LC gels is faster under bending due to the bending-induced sheared force of polymer networks. The dye-doped LC gels open a new window for trimable electronic papers, decorative displays and switchable curtains.

AB - A flexible and reflective polarizer-free display using dye-doped liquid crystal (LC) gels is demonstrated. The electro-optical performances of both scattering and absorption based dye-doped LC gels depend on curing temperatures. The dye-doped LC gel shows good reflectance ∼55%, good contrast ratio∼450:1 and fast response∼6.5ms at curing temperature 10 °C when UV curing intensity is 2.6 mW/cm2. The EO performance depends on the curing temperature. The hysteresis is independent of sampling time duration. The bending curvature is 21 mm. The response of dye-doped LC gels is faster under bending due to the bending-induced sheared force of polymer networks. The dye-doped LC gels open a new window for trimable electronic papers, decorative displays and switchable curtains.

KW - Flexible display

KW - Guest-host

KW - Liquid crystal

KW - Polarizer-free

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M3 - Conference contribution

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SN - 9780819470867

T3 - Proceedings of SPIE - The International Society for Optical Engineering

BT - Emerging Liquid Crystal Technologies III

Y2 - 20 January 2008 through 22 January 2008

ER -

Flexible and reflective polarizer-free liquid crystal displays using dye-doped liquid crystal gels

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