Optical simulation of axially symmetrical vertically aligned liquid crystal displays with circularly symmetric iso-contrast

Cheng Kai Liu, Chi Lun Ting, Ming Shian Li, Andy Ying Guey Fuh, Ko Ting Cheng

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

This investigation reports the optical simulation of axially symmetric vertically aligned liquid crystal displays (ASVA LCDs). The circularly symmetric iso-light leakage and iso-transmittance contours of one subpixel result in the circularly symmetric iso-contrast contours. The contrast ratio of the area close to x- and y-axes at a polar angle of around 30° exceeds 10. The LCs near some azimuthal angles are not perfectly aligned in circularly symmetric manner because of the square subpixel. Such a reason causes major reduction of the light utilization efficiency. Additionally, the circularly symmetric iso-contrast has potential for fabricating private mobile products.

Original languageEnglish
Article number5978244
Pages (from-to)520-525
Number of pages6
JournalIEEE/OSA Journal of Display Technology
Volume7
Issue number9
DOIs
StatePublished - 2011

Keywords

  • Axial polarizer
  • axially symmetrical vertical alignment liquid crystal displays (ASVA LCDs)
  • circularly symmetrical iso-contrast

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