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This website uses cookies to deliver some of our products and services as well as for analytics and to provide you a more personalized experience. Click here to learn more. By continuing to use this site, you agree to our use of cookies. We've also updated our Privacy Notice. Click here to see what's new. We explore the mechanisms of voltage-induced textural switching and the corresponding electro-optical responses of a binary cholesteric liquid crystal CLC composed of the rod-like nematic LC E7 with positive dielectric anisotropy and the bent-core LC dimer CB7CB with large flexoelectric coefficients. Our results indicate that the minimal voltage V H required for retaining the CLC in the homeotropic state and the optical transparency of the CLC after treating with decreasing voltage from V H to zero are dependent on the voltage frequency. The observed frequency modulated electro-optical properties are characterized by the frequency regimes separated by the critical frequencies of flexoelectric polarization and dielectric relaxation in dielectric dispersion. The first one is to treat the cell directly with a sufficient voltage lower than V H ; the other is to decrease the voltage gradually from V H to zero in the low-frequency regime, where the flexoelectric strength is significant. In general, CLC in a confined geometry can simply be categorized into three relaxed states—the Grandjean planar P , focal conic FC , and fingerprint FP textures—according to their helical structures and spectral properties. Splay phenomenon splay phenomenon

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Souk, Jun-Hyung Even though the TFT-LCD industry gained enough momentum that has been built up in past 10 years, the industry faces new challenges in order to maintain the 'true mainstream display' position in near future. The technical challenges can be summarized in two fold; one splay phenomenon image quality upgrade for different application area.

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Cost competitiveness is the other big issue in LCD for the continued leadership position in display industry. In this paper, we describe the technology advancement and the technical challenges in LCD to achieve these goals.


Noguchi, Takashi Improvement of device characteristic such as an enhancement of carrier mobility or a reduction of leakage current is studied intensively. By establishing a stable fabrication process on flexible substrate and splay phenomenon performance characteristic uniformly and reliably, TFT technology has a possibility to develop to SOP or other highly functional applications similar to or beyond splay phenomenon conventional Si LSI in the era of information and telecommunication.

Photoresponsive Behavior of Liquid-Crystalline Networks. Freestanding azobenzene-containing liquidcrystalline network Here films.

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By polarizing microscopy, fiber-like structures aligned in one direction were observed. Furthermore, with a confocal laser scanning microscope CLSMit was confirmed splay phenomenon the fiber-like structures were formed even in the bulk of the LCNs.

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Upon UV light irradiation splay phenomenon cause trans-cis photoisomerization of the azobenzene molecules, the LCNfilms underwent a significant and anisotropic bending toward the irradiation direction of UV light. This bending and unbending behavior of the LCN films could be repeated just by changing the wavelength of the irradiation light.]

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