Measuring Color Strength for Wide Color Gamut OLEDs

Research output: Contribution to journalConference articlepeer-review

Abstract

With the release of high-brightness and high-chromatic OLED displays, color characteristics have become different from existing displays. The saturation of each pixel increases, and the luminance range widens, resulting in an H-K effect that looks brighter than the actual luminance. This is a phenomenon that looks bright due to high purity and cannot be measured. In this paper, we intend to quantify the color characteristics of OLEDs using perceptual lightness predicted by color appearance model (CAM16) and measured luminance values. A new model to predict the H-K effect was suggested as ‘Color Strength’ using the perceptual lightness and luminance. As a result, the values of QD OLED, W OLED, and LCD were compared by calculating the Color Strength.

Original languageEnglish
Pages (from-to)1172-1175
Number of pages4
JournalDigest of Technical Papers - SID International Symposium
Volume53
Issue number1
DOIs
StatePublished - 2022
Event59th International Symposium, Seminar and Exhibition, Display Week 2022 - San Jose, United States
Duration: 8 May 202213 May 2022

Bibliographical note

Publisher Copyright:
© 2022. John Wiley and Sons Inc. AIAA. All rights reserved.

Keywords

  • Author Color Strength
  • H-K effect
  • OLED
  • Wide Color Gamut

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