Multidirectional asymmetrical microlens array light control film for improved image in reflective color liquid crystal displays

Yi-Pai Huang*, Juie Jun Chen, Fu Jen Ko, Han Ping David Shieh

*Corresponding author for this work

Research output: Contribution to journalArticle

14 Scopus citations

Abstract

A multidirectional asymmetrical microlens array light control film (MAMA-LCF) which can direct light incident from multiple directions collectively for viewing was studied. The MAMA-LCF which was constructed with an asymmetrical microlens array and laminated onto the front surface of reflective color super twisted-nematic liquid crystal display (STN-LCD), yielded a maximum gain of about 5 × the MgO standard white in a typical viewing region without visible dispersion. It was shown that the use of MAMA-LCF can effectively enhance the brightness and image quality of reflective color STN in an ambient environment.

Original languageEnglish
Pages (from-to)646-651
Number of pages6
JournalJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume41
Issue number2 A
DOIs
StatePublished - 1 Feb 2002

Keywords

  • Brightness
  • Dispersion
  • Light control film
  • Microlens
  • Moiré
  • Multidirectional
  • Parallax
  • Reflective LCDs

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