DocumentCode
2779320
Title
Comparisons between homogeneous and homeotropic SSCT
Author
Chang, Ching-Chao
Author_Institution
Electron. Res. & Service Organ., Ind. Technol. Res. Inst., Taiwan
fYear
1999
fDate
1999
Firstpage
227
Lastpage
231
Abstract
We have demonstrated SSCT (Surface Stabilized Cholesteric Textures) with homogeneous and homeotropic alignments. Both alignments can stabilize the planar texture and the focal conic texture of cholesteric liquid crystals. We compared the optical performance of the high-pretilt homogeneous SSCT with that of the homeotropic SSCT and found that the homogeneous SSCT can have more uniform coloration over very wide viewing angles, but with a smaller contrast ratio. The contrast ratios for both SSCT are greater than 5, which can be used in such applications as electronic newspapers and PDA
Keywords
cholesteric liquid crystals; liquid crystal displays; molecular orientation; cholesteric liquid crystals; coloration; contrast ratio; focal conic texture; homeotropic alignment; homogeneous alignment; planar texture; surface stabilized cholesteric textures; Energy consumption; Liquid crystal displays; Liquid crystals; Mass production; Optical reflection; Optical refraction; Optical surface waves; Periodic structures; Polyimides; Surface texture;
fLanguage
English
Publisher
ieee
Conference_Titel
Information Display, 1999. ASID '99. Proceedings of the 5th Asian Symposium on
Conference_Location
Hsinchu
Print_ISBN
957-97347-9-8
Type
conf
DOI
10.1109/ASID.1999.762752
Filename
762752
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