High-Performance Tandem White Micro-OLEDs for Virtual Reality and Mixed Reality Displays

To achieve wide-gamut and high-efficiency tandem white OLED (WOLED) microdisplays, we propose a new structure leveraging high-order antinodes and patterned microcavities. The color gamut coverages of 95% Rec. 2020 and 92% Rec. 2020 can be achieved in B/G/R tandem WOLED with a moderate microcavity an...

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Bibliographic Details
Published inCrystals (Basel) Vol. 14; no. 4; p. 332
Main Authors Yang, Zhiyong, Hsiang, En-Lin, Wu, Shin-Tson
Format Journal Article
LanguageEnglish
Published Basel MDPI AG 01.04.2024
Subjects
Antinodes
Color
Displays
Efficiency
Glass substrates
high-order antinode
Light
Light-emitting diodes
Microcavities
Mixed reality
Optoelectronics industry
Power consumption
tandem white micro-OLED
Virtual reality
wide color gamut
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ISSN2073-4352
2073-4352
DOI10.3390/cryst14040332

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Summary:To achieve wide-gamut and high-efficiency tandem white OLED (WOLED) microdisplays, we propose a new structure leveraging high-order antinodes and patterned microcavities. The color gamut coverages of 95% Rec. 2020 and 92% Rec. 2020 can be achieved in B/G/R tandem WOLED with a moderate microcavity and B/YG tandem WOLED with a strong microcavity, respectively. We have also boosted the optical efficiency by 62% for the tandem B/YG WOLED using the high-order antinodes at optimal conditions. Such a WOLED microdisplay helps reduce the power consumption of virtual reality (VR) and mixed reality (MR) displays while keeping a wide color gamut.
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ISSN:2073-4352
2073-4352
DOI:10.3390/cryst14040332