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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2015.3
- 수록면
- 1 - 4 (4page)
- DOI
- 10.1186/s40580-014-0039-x
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In this paper, SiO 2 nanoparticle doped polymer dispersed liquid crystal (PDLC) lenses were made from a mixture of prepolymer, E7 liquid crystal and SiO 2 nanoparticles by the polymerization induced phase separation (PIPS) process for smart electronic glasses with auto-shading and auto-focusing functions. Electro-optical properties of doped and undoped samples including transmittance, driving voltage, contrast ratio and slope of the linear region of the transmittance-voltage were measured, compared and analyzed. Driving voltage of SiO 2 nanoparticle doped PDLC lenses moderately improved. But the slope of linear region, response time and contrast ratio deteriorated, especially the latter two. It can be assumed that these doping effects were due to the mechanistic change from liquid-gel separation to liquid-liquid separation by the fast heterogeneous nucleation rate caused by the increased nucleation at the surface of SiO 2 nanoparticles. The marked deteriorations of falling response time and contrast ratio were due to well defined liquid crystal molecules in LC droplets, which induced slow and imperfect random rearrangement of LC molecules at the off state.
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참고문헌 (11)
참고문헌 신청
Jaeyong Kim / 2014 / Effect of Liquid Crystal Concentration on Electro-Optical Properties of Polymer Dispersed Liquid Crystal Lens for Smart Electronic Glasses with Auto-Shading and Auto-Focusing Function / Electronic Materials Letters 10(3):607~610
Jaeyong Kim / 2014 / Effect of UV Intensity on the Electro-Optical Properties of Polymer Dispersed Liquid Crystal Lens for Smart Electronic Glasses / Electronic Materials Letters 10(3):665~669
Jaeyong Kim / 2014 / Effect of Cell Gap on Electro-Optical Properties of Polymer Dispersed Liquid Crystal Lens for Smart Electronic Glasses / Electronic Materials Letters 10(4):857~861
YJ Park / 2013 / Proc. Conf. on Korean Liquid Crystal Conf :134
YJ Park / 2013 / Proc. Conf. on Korean Liquid Crystal Conf :137
Jaeyong Kim / 2014 / Effect of UV Intensity on the Electro-Optical Properties of Polymer Dispersed Liquid Crystal Lens for Smart Electronic Glasses / Electronic Materials Letters 10(3):665~669
Jaeyong Kim / 2014 / Effect of Cell Gap on Electro-Optical Properties of Polymer Dispersed Liquid Crystal Lens for Smart Electronic Glasses / Electronic Materials Letters 10(4):857~861
YJ Park / 2013 / Proc. Conf. on Korean Liquid Crystal Conf :134
YJ Park / 2013 / Proc. Conf. on Korean Liquid Crystal Conf :137
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