Color gamut change by optical crosstalk in high-resolution organic light-emitting diode microdisplaysopen access
- Authors
- Sim, Soobin; Ryu, Jinha; Ahn, Dae Hyun; Cho, Hyunsu; Kang, Chan-mo; Shin, Jin-Wook; Joo, Chul Woong; Kim, Gi Heon; Byun, Chun-Won; Cho, Nam Sung; Youn, Hyoc Min; An, Young Jae; Kim, Jin Sun; Jung, Hanyung; Lee, Hyunkoo
- Issue Date
- Jun-2022
- Publisher
- Optica Publishing Group
- Citation
- OPTICS EXPRESS, v.30, no.13, pp 24155 - 24165
- Pages
- 11
- Journal Title
- OPTICS EXPRESS
- Volume
- 30
- Number
- 13
- Start Page
- 24155
- End Page
- 24165
- URI
- https://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/152729
- DOI
- 10.1364/OE.463095
- ISSN
- 1094-4087
- Abstract
- Herein, the color gamut change by optical crosstalk between sub-pixels in highresolution full-color organic light-emitting diode (OLED) microdisplays was numerically investigated. The color gamut of the OLED microdisplay decreased dramatically as the pixel density of the panel increased from 100 pixels per inch (PPI) to 3000 PPI. In addition, the increase in thickness of the passivation layer between the bottom electrode and the top color filter results in a decrease in the color gamut. We also calculated the color gamut change depending on the pixel structures in the practical OLED microdisplay panel, which had an aspect ratio of 32:9 and a pixel density of 2,490 PPI. The fence angle and height, refractive index of the passivation layer, black matrix width, and white OLED device structure affect the color gamut of the OLED microdisplay panel because of the optical crosstalk effect. (C) 2022 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement
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