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Journal Article
Three-wavelength White Organic Light-emitting Diodes on Silicon for High Luminance and Color Gamut Microdisplays
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- Authors
- Seong Ji Lee, Chan-mo Kang, Jin-Wook Shin, Dae Hyun Ahn, Chul Woong Joo, Hyunsu Cho, Nam Sung Cho, Hyoc Min Youn, Young Jae An, Jin Sun Kim, Jonghee Lee, Hyunkoo Lee
- Issue Date
- 2022-01
- Citation
- Journal of Industrial and Engineering Chemistry, v.105, pp.132-137
- ISSN
- 1226-086X
- Publisher
- 한국공업화학회
- Language
- English
- Type
- Journal Article
- Abstract
- Organic light-emitting diode (OLED) microdisplays have attracted considerable attention owing to their low power consumption, rapid response, high contrast ratio, and self-luminescence. To expand the use of OLED microdisplays, high luminance and vivid color are required. Herein, we developed a high-luminance, low-voltage, three-wavelength, top-emitting white OLED (WOLED) using a silicon substrate for complementary metal?뱋xide?뱒emiconductor-based, full-color microdisplay applications. Optimal thickness of the emitting layer and thickness and position of the interlayer were determined to improve device performance. The device exhibited luminance of ~4,200 cd/m2 at 3.3 V, and the maximum luminance reached 170,000 cd/m2 at 11.4 V. In addition, red, green, and blue color filters were deposited onto the WOLED after the thin-film encapsulation process to verify feasibility of the device for full-color microdisplay applications. The color gamut of the developed WOLED with color filters was 136% compared to sRGB. The maximum luminance and color gamut of the developed device is among the highest values obtained to date for OLED microdisplays.
- KSP Keywords
- 3 V, Blue color, Encapsulation process, High contrast ratio, High-luminance, Optimal thickness, Organic light-emitting diodes(OLEDS), Rapid Response, Self-luminescence, Silicon substrate, Thin film encapsulation