Color management for multiple-primary flexible cholesteric-LCD

Cheng Fu Jheng, Huang-Ming Chen*, Wei Chung Cheng, Jih Fon Huang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


The reflective cholesteric liquid crystal display suffers from voltage-induced color shift and viewing angle-dependent color shift. In this paper, three solutions are presented to overcome these problems. First, four types of cholesteric liquid crystals were prepared and characterized to find the best mixture with the lowest voltage-induced color shift and reflectance reduction. Secondly, 5-primary (red, yellow, green, cyan and blue) cholesteric liquid crystals were prepared such that the color gamut and reflectance were enhanced. Finally, the viewing angle-dependent color shift was characterized and then compensated by adjusting their chromaticity by using red/green/blue LED light sources.

Original languageEnglish
Pages (from-to)1667-1670
Number of pages4
JournalDigest of Technical Papers - SID International Symposium
Issue number1
StatePublished - 1 Dec 2010
Event48th Annual SID Symposium, Seminar, and Exhibition 2010, Display Week 2010 - Seattle, WA, United States
Duration: 23 May 201028 May 2010


  • Cholesteric liquid crystals
  • Color gamut
  • Multiple-primary color
  • Reflective display


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