A low voltage and submillisecond-response polymer-stabilized blue phase liquid crystal

Chen, Yuan; Xu, Duanfu; Wu, Shin‐Tson; Yamamoto, Shinichi; Haseba, Yasuhiro

doi:10.1063/1.4802090

Cited by 138 publications

(112 citation statements)

References 38 publications

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“…The maximal diffraction efficiency of the proposed switchable grating occurs at the applied voltage of 150 V. The high operating voltage of the BPLC grating can be further reduced by using the high Kerr constant of LC or IPS electrode design [26][27][28][29]. The hysteresis curves of the first order diffraction efficiency for the 1-D and 2-D BPLC gratings are depicted in Figure 4.…”

Section: Resultsmentioning

confidence: 99%

Switchable Two-Dimensional Liquid Crystal Grating in Blue Phase

Huang

Lin

et al. 2017

Crystals

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Abstract:We demonstrate a switchable two-dimensional phase grating in blue phase liquid crystal (BPLC), which is fabricated by sawtooth in-plane-switch (IPS) electrodes. They are used to generate the horizontal electric field on a single indium-tin-oxide (ITO) glass substrate and, as a result, the 1-D and 2-D phase gratings can be mutual switched via different polarizations of incident light with an applied voltage. The first-order diffraction efficiency is up to 20% and 10% for the 1-D and 2-D phase grating at V = 150 V, respectively. Moreover, the rise and decay time is 0.9 and 1.1 ms, respectively, which is suitable for wide applications of high-speed optical manipulations.

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Section: Resultsmentioning

confidence: 99%

Switchable Two-Dimensional Liquid Crystal Grating in Blue Phase

Huang

Lin

et al. 2017

Crystals

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“…However, achieving large dielectric anisotropy requires multiple polar groups, and high intrinsic birefringence indicates long molecular conjugation. BP compounds are hence bulky and viscous, which prolongs the response time and reduces the relaxation frequency [129]. Recently, a PSBP has been developed with K * 33 nm/V 2 and τ * 0.95 ms, whose nematic host is JC-BP06 N, having Δε * 470.…”

Section: Optical Isotropy and Fast Electro-optic Responsementioning

confidence: 99%

Self-Organized 3D Photonic Superstructure: Blue Phase Liquid Crystal

Lin

Chen

2015

Anisotropic Nanomaterials

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Blue phase liquid crystals (BPLCs) have attracted considerable attention in recent years owing to their unique periodic structure and electro-optic properties. Besides the potential applications in the next generation display, BPLC with a cubic lattice structure can be regarded as a self-organized three-dimenstional (3D) photonic crystal that can be applied for photonic devices such as optical filter, optical attenuator, phase modulator, laser source and so on. This chapter will introduce the formation of BPLCs from both theoretical and experimental points of view. The stability and temperature range of BPLCs are also discussed followed by its photonic crystal structure, lattice orientation and phase identification. After a basic overview, this chapter will further introduce the applications of BPLCs, including controllability of photonic band gap with external fields, fast electro-optic Kerr effect, and optical nonlinear effect. This short summary shows that the century old intriguing BPLCs have diverse opportunities to offer in modern photonic materials and devices. Moreover, the current challenges in this area are expected to spark innovative ideas leading toward the design and engineering of new chiral materials that may furnish suitable BPLCs to produce advanced photonic materials that have desirable properties and functions.

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“…30,31 However, some BP materials with an extraordinarily large Kerr constant (K > 13.7 nm/V 2 ) have been reported by using a nematic host with a very large dielectric anisotropy (De > 100). 32,33 The development goal for the PSBP materials is to increase Kerr constant to lower the driving voltage.…”

Section: A Preparation Of Psbpmentioning

confidence: 99%

Electro-optical properties of photochemically stable polymer-stabilized blue-phase material

Chojnowska

Dąbrowski

Yan

et al. 2014

Journal of Applied Physics

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Polymer-stabilized blue-phase liquid crystal (BPLC) comprising fluorinated compounds with high resistivity and photochemical stability is demonstrated. The Kerr constant, driving voltage, and response time of this BPLC are measured using an in-plane switching liquid crystal cell. At 20 °C, the measured total response time is faster than 0.7 ms and Kerr constant is 2 nm/V2. This fluorinated BPLC material is a promising candidate for next-generation photonic and display devices, because it can be used in active matrix addressed devices.

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A low voltage and submillisecond-response polymer-stabilized blue phase liquid crystal

Cited by 138 publications

References 38 publications

Switchable Two-Dimensional Liquid Crystal Grating in Blue Phase

Switchable Two-Dimensional Liquid Crystal Grating in Blue Phase

Self-Organized 3D Photonic Superstructure: Blue Phase Liquid Crystal

Electro-optical properties of photochemically stable polymer-stabilized blue-phase material

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