Wide-band reflective polarizers from variable pitch cholesteric liquid crystal films

Y. J. Kwon, W. J. Lee, S. H. Paek, I. Kim, K. Song

Research output: Contribution to journalConference articlepeer-review

19 Citations (Scopus)

Abstract

Due to their periodic helical structure, cholesteric liquid crystals (CLC) have a unique ability to selectively reflect visible light. CLC films reflecting a broad wavelength band were made by inducing a pitch gradient in CLC through a diffusion of small molecules and through a thermal diffusion between two CLC oligomer films with different pitch gradients.

Original languageEnglish
Pages (from-to)325-328
Number of pages4
JournalMolecular Crystals and Liquid Crystals
Volume377
DOIs
Publication statusPublished - 2002
EventProceedings of the Korea-Japan Joint Forum on Organic Materials for Electronics and Photonics (KJF2001) - Seoul, Korea, Republic of
Duration: 25 Sept 200127 Sept 2001

Keywords

  • Cholesteric liquid crystal
  • Pitch gradient
  • Reflective polarizer

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