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Society for Information Display, Digest of Technical Papers, 1(36), p. 797

DOI: 10.1889/1.2036565

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P-129: Highly Efficient Stacked OLED Employing New Anode-Cathode Layer

Journal article published in 2005 by J. X. Sun, X. L. Zhu, H. J. Peng, M. Wong, H. S. Kwok
This paper was not found in any repository; the policy of its publisher is unknown or unclear.
This paper was not found in any repository; the policy of its publisher is unknown or unclear.

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Abstract

Highly efficient stacked OLEDs have been fabricated using a new anode-cathode-layer (ACL) that connects two identical emissive units. The emissive unit consists of NPB/Alq3: C545T/BCP or NPB/CBP: Ir(ppy)3/BCP. The ACL can effectively function as both the cathode of bottom unit and the anode of top one. The luminous efficiencies are doubled with respect to the single unit device, and are peaked at 22cd/A (driving current density of 7.2mA/cm2) and 60cd/A (1mA/cm2) for C545T- and Ir(ppy)3-based emission, respectively.