Minimum ambient illumination requirement for legible electronic-paper display

Yu Ting Lin*, Sheue Ling Hwang, Shie-Chang Jeng, Richard J. Koubek

*Corresponding author for this work

Research output: Contribution to journalArticle

10 Scopus citations

Abstract

The intent of this study is to determine the minimum ambient illumination requirement for legible electronic-paper display. Not only the young but also the elderly were included as research subjects. Through the method of character-search task, the results indicated that the significant performance improvement of all subjects occurred at 52 lux on the search time and at 62 lux on the subjective visual fatigue. Therefore, the minimum ambient illumination requirement for legible electronic-paper display can be synthesized at 62 lux. This minimum point of ambient illumination for the young and the elderly represents that the reflective-type display started presenting its better legibility and the subjective visual fatigue started decreasing. As electronic-paper display technology applications gradually expand, product designers need notice this fundamental limit of electronic-paper display when they continue to create possible applications in the future.

Original languageEnglish
Pages (from-to)8-16
Number of pages9
JournalDisplays
Volume32
Issue number1
DOIs
StatePublished - 1 Jan 2011

Keywords

  • Age
  • Ambient illumination
  • Electronic-paper display
  • Legibility
  • Subjective visual fatigue

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