Color filter with optical activity in PDLC

M. Pérez-Cortés, A. Olivares-Pérez, J. L. Juárez-Pérez, M. R. Gómez-Colín, B. Pinto-Igüanero, M. Ortiz-Gutierrez

Resultado de la investigación: Contribución a una revistaArtículorevisión exhaustiva

Resumen

Since recent years some activity has developed and characterized the field of research on polymers dispersed liquid crystals (PDLC's). They are useful for a variety of electro-optical applications including windows, displays and other devices. We presented a color filter with PDLC optical activity. This PDLC device was doped with cholesteric liquid crystal. This substance rotates the plane of polarization of a beam of light traversing through them and they are said to be optically active. The mixtures make an uniform behavior pitch in each micro-droplet of the PDLC. The scattering do not destroyed the optical activity of the cholesteric liquid crystal. It is not necessary to observed colors by reflection; we can observe them by across linearpolarizers. When the PDLC is on, the colors disappear and when the PDLC is off, colors return. © 2002 SPIE · 0277-786X/02/$15.00.
Idioma originalInglés estadounidense
Páginas (desde-hasta)126-132
Número de páginas7
PublicaciónProceedings of SPIE - The International Society for Optical Engineering
DOI
EstadoPublicada - 1 ene 2002
Publicado de forma externa

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