Blue/white organic light-emitting diodes and passive matrix display

Zhi-Lin Zhang; Xue-Yin Jiang; Wen-Qing Zhu; Shao-Hong Xu

doi:10.1117/12.593240

12 January 2005 Blue/white organic light-emitting diodes and passive matrix display

Zhi-Lin Zhang, Xue-Yin Jiang, Wen-Qing Zhu, Shao-Hong Xu

Proceedings Volume 5632, Light-Emitting Diode Materials and Devices; (2005) https://doi.org/10.1117/12.593240
Event: Photonics Asia, 2004, Beijing, China

Abstract

The blue organic light emitting diodes (OLED) based on anthracene derivatives (ADN) doped with distryrylarylene derivatives (BCzVB and DSA-ph) were presented. The device of ADN doped with BCzVb shows high color purity (x=0.146, y=0.162) with maximum luminance 11600 cd/m² (15V), current efficiency 2.8 cd/A, while the device of ADN doped with DSA-ph exhibits a sky blue with as high as efficiency 8.29 cd/A, both have a flat efficiency vs current density responses. A typical blue device of ADN doped with TBPe is used for comparison, which gives greenish blue and a stronger current-induced flyorescence quenching. Three kinds of White organic light emitting devices (WOLED) with different dopants and doping sites were constructed. The cell with a single-doped red dye in the light emitting layer (EML)(single-doped) and the cell with both red and blue dyes doped in a single EML (double-doped as well as the cell with red and blue dyes doped in EML and a green dye in another layer (triple-doped). The triple-doped cell shows much higher performance than other two cells: maximum luminance 21200cd/m², 1026 cd/m² at driving current 20mA/cm², efficiency 6cd/A and a half lifetime over 22245h were reached. A passive display features 102x64 pixels with pixel size of 0.25x0.25mm² pixel pitch 0.08mm, luminance 100 cd/m² at driving duty 1/64, and power consumption of 0.6W was constructed.

Citation Download Citation

Zhi-Lin Zhang, Xue-Yin Jiang, Wen-Qing Zhu, and Shao-Hong Xu "Blue/white organic light-emitting diodes and passive matrix display", Proc. SPIE 5632, Light-Emitting Diode Materials and Devices, (12 January 2005); https://doi.org/10.1117/12.593240

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