지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2018.4
- 수록면
- 185 - 194 (10page)
이용수
초록· 키워드
오류제보하기
Ultra-small optical anisotropy of a rubbed polyimide (PI) alignment layer is quantitatively characterized using the improved reflection ellipsometer. Twisted nematic (TN) cells are fabricated using the rubbed PIs of known surface anisotropy as alignment layers. Distribution of liquid crystal (LC) molecules in the TN cell is characterized using transmission ellipsometry. The retardation of the rubbed PI surface increases as rubbing strength increases. The tilt angle of the optic axis of the rubbed PI surface decreases as rubbing strength especially as the angular speed of the rubbing roller increases. Pretilt angle of LC molecules in the TN cell shows strong correlation with tilt angle of the optic axis of the rubbed PI surface. Both the apparent order parameter and the effective twist angle of the LC molecules in the TN cell decrease as the pretilt angle of LC molecules increases.
목차
I. INTRODUCTION
II. SAMPLE PREPARATION AND MEASUREMENT
III. THEORY AND ANALYSIS
IV. RESULTS AND DISCUSSION
V. CONCLUSION
REFERENCES
참고문헌 (35)
참고문헌 신청
P. Yeh / 2010 / Optics of liquid crystal displays, Chapter 2 / John Wiley & Sons, Inc.
M. Jiao / 2008 / Alignment layer effects on thin liquid crystal cells / Appl. Phys. Lett. 92:061102
K. Ichimura / 1989 / Reversible alignment change of liquid crystals induced by photochromic molecular films, 2. Reversible alignment change of a nematic liquid crystal induced by pendent azobenzene groups-containing polymer thin films / Makromol. Chem., Rapid Commun. 10:5~8
B. Jerome / 1991 / Surface effects and anchoring in liquid crystals / Rep. Prog. Phys. 54:391
K. Ichimura / 2000 / Photoalignment of liquid-crystal systems / Chem. Rev. 100:1847~1874
M. Jiao / 2008 / Alignment layer effects on thin liquid crystal cells / Appl. Phys. Lett. 92:061102
K. Ichimura / 1989 / Reversible alignment change of liquid crystals induced by photochromic molecular films, 2. Reversible alignment change of a nematic liquid crystal induced by pendent azobenzene groups-containing polymer thin films / Makromol. Chem., Rapid Commun. 10:5~8
B. Jerome / 1991 / Surface effects and anchoring in liquid crystals / Rep. Prog. Phys. 54:391
K. Ichimura / 2000 / Photoalignment of liquid-crystal systems / Chem. Rev. 100:1847~1874
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