Optimized molecular structures of guest–host system for highly efficient coatable polarizer

Chang, Jae Bok; Namgoong, Jin Woong; Sakong, Chun; Choi, Jun; Park, Sang Hyoung; Hwang, Byoung Har; Kim, Jae Pil

doi:10.1016/j.dyepig.2015.05.010

Cited by 3 publications

(1 citation statement)

References 31 publications

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“…Another method is the combination of dichroic dye and smectic-phase LC materials. [21][22][23][24][25] As mentioned above, the guest-host effect between LC and dichroic dye induces a co-alignment structure. In recent years, the mixture composed of smectic-B phase LC and dichroic dye shows comparable polarization performance in the conventional uniaxially-stretched polarizers.…”

Section: Introductionmentioning

confidence: 89%

Polarization characteristics of single-crystalline dichroic azo dye grown in nematic-phase liquid crystal

Shibata

Maruyama

Ishinabe

et al. 2021

Jpn. J. Appl. Phys.

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In this paper, we demonstrated the formation of single-crystalline dichroic dye which is grown in the nematic-phase liquid crystal as the solvent for molecular ordering control of dichroic dye molecules. The deposited microcrystals in parallel-aligned liquid crystal exhibited needle-like morphology and extinction position along the alignment direction of liquid crystal. We confirmed the deposited microcrystals were composed of only dichroic dye molecules. Structural evaluation by synchrotron X-ray diffraction indicated that dichroic dye molecules have a tilted angle on the substrate. We discuss the relation between the oriented structure of azo-based dichroic dye and their optical polarization characteristics for coatable polarizers utilizing crystalline-phase.

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