논문 해외 국제전문학술지(SCI급) Three-wavelength white organic light-emitting diodes on silicon for high luminance and color gamut microdisplays
- 학술지 구분 국제전문학술지(SCI급)
- 게재년월 2022-01
- 저자명 S. J. Lee, C. -m. Kang, J. -W. Shin, D. H. Ahn, C. W. Joo, H. Cho, N. S. Cho, H. M. Youn, Y. J. An, J. Lee*, and H. Lee
- 학술지명 Journal of Industrial and Engineering Chemistry
- 발행처명 ScienceDirect
- 발행국가 해외
- 논문언어 외국어
- 전체저자수 12
홈페이지논문 초록 (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–oxide–semiconductor-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.