Fabrication of a simultaneous red-green-blue reflector using single-pitched cholesteric liquid crystals

Nature Materials

Volumn 7, Issue 1, 2008, Pages 43-47

  Ha, Na Young ^a   Ohtsuka, Youko ^a   Jeong, Soon Moon ^a   Nishimura, Suzushi ^b   Suzaki, Goroh ^b   Takanishi, Yoichi ^a   Ishikawa, Ken ^a   Takezoe, Hideo ^a  

^a TOKYO INSTITUTE OF TECHNOLOGY   (Japan)

^b JAPAN ENERGY CORPORATION   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

CHIRALITY; CIRCULAR POLARIZATION; ENERGY GAP; FABRICATION; PHOTONIC DEVICES;

FIBONACCIAN PHASE DEFECTS; MULTIPLE PHOTONIC BANDGAPS; REFLECTED LIGHT; THIN ISOTROPIC FILMS;

CHOLESTERIC LIQUID CRYSTALS;

EID: 37649019565     PISSN: 14761122     EISSN: 14764660     Source Type: Journal    
DOI: 10.1038/nmat2045     Document Type: Article

References (24)

1. De Coma, P. G. & Prost, J. The Physics of Liquid Crystals Ch. 6 (Clarendon, Oxford, 1993).
2. Broer, D. J., Lub, J. & Mol, G. N. Wide-band reflective polarizers from cholesteric polymer networks with a pitch gradient. Nature 378, 467-469 (1995).
3. Mitov, M. & Dessaud, N. Going beyond the reflectance limit of cholesteric liquid crystals. Nature Mater. 5, 361-364 (2006).
4. Hikmet, R. A. M. & Kemperman, H. Electrically switchable mirrors and optical components made from liquid-crystal gels. Nature 392, 476-479 (1998).
5. Lub, J., Witte, P., Doornkamp, C., Vogels, J. P. A. & Wegh, R. T. Stable photopatterned cholesteric layers made by photoisomerization and subsequent photopolymerization for use as color filters in liquid-crystal displays. Adv. Mater. 15, 1420-1425 (2003).
6. De Filpo, G., Nicoletta, F. P. & Chidichimo, G. Cholesteric emulsions for colored displays. Adv. Mater. 17, 1150-1152 (2005).
7. Yoshioka, T. et al. Reversible-photon-mode full-color display bymeans of photochemical modulation of a helically cholesteric structure. Adv. Mater. 17, 1226-1229 (2005).
8. Kopp, V. I., Fan, B., Vithana, H. K. M. & Genack, A Z. Low-threshold lasing at the edge of a photonic stop bandin cholesteric liquid crystals. Opt. Lett. 23, 1707-1709 (1998).
9. Ohta, T. et al. Monodomain film formation and lasing in dye-doped polymer cholesteric liquid crystals. Jpn. J. Appl. Phys. 43, 6142-6144 (2004).
10. Jeong, S. M. et al. Defect mode lasing from a double-layered dye-doped polymeric film with a thin rubbed defect layer. Appl. Phys. Lett. 90, 261108 (2007).
11. Schmidtke, J., Stille, W. & Finkelmann, H. Defect mode emission of a dye doped cholesteric polymer network. Phys. Rev. Lett. 90, 083902 (2003).
12. Song, M. H. et al. Defect-mode lasing with lowered threshold in a three-layered hetero-cholesteric liquid-crystal structure. Adv. Mater. 18, 193-197 (2006).
13. Ha, N. Y., Takanishi, Y., Ishikawa, K. & Takezoe, H. Simultaneous RGB reflections from single-pitched cholesteric liquid crystal films with Fibonaccian defects. Opt. Express 15, 1024-1029 (2007).
14. Tamaoki, N. Cholesteric liquid crystals for color information technology. Adv. Mater. 13, 1135-1147 (2001).
15. Yang, Y.-C. et al. Photonic defect modes of cholesteric liquid crystals. Phys. Rev. E 60, 6852-6854(1999).
16. Kopp, V. I. & Genack, A. Z. Twist defect in chiral photonic structure. Phys. Rev. Lett. 89, 033901 (2002).
17. Berreman, D. W Optics in stratified and anisotropic media: 4 × 4-matrix formation. J. Opt. Soc. Am. 62, 502-510 (1972).
18. Gellermann, W., Kohmoto, M., Sutherland, B. & Taylor, P. C. Localization of light waves in Fibonacci dielectric multilayers. Phys. Rev. Lett. 72, 633-636 (1994).
19. 2 Thue-Morse quasicrystals. Appl. Phys. Lett. 84, 5186-5188 (2004).
20. Vasconcelos, M. S. & Albuquerque, E. L. Iransmission fingerprints in quasiperiodic dielectric multilayers. Phys. Rev. B 59, 11128-11131 (1999).
21. Takezoe, H. et al. Experimental studies on reflection spectra in monodomain cholesteric liquid crystal cells: Total reflection, subsidiary oscillation and its beat or swell structure. Jpn. J. Appl. Phys. 22, 1080-1091 (1983).
22. Judd, D. B. & Wyszedd, G. Color in Business, Science, and Industry (Wiley, New York, 1963).
23. Seferis, J. C. in Polymer Handbook (eds Brandrup, J., Immergut, E. H., Grulke, E. A, Abe, A. & Bloch, D. R) 581 (Wiley, New York, 1999).
24. Choi, S.-W. et al. Photoinduced circular anisotropy in a photochromic W-shaped-molecule-doped polymeric liquid crystal film. Phys. Rev. E 73, 021702 (2006).