Eliminating Micro‐Cavity Effects in White Top‐Emitting OLEDs by Ultra‐Thin Metallic Top Electrodes | Zendy

Schwab Tobias | Zendy; Schubert Sylvio | Zendy; MüllerMeskamp Lars | Zendy; Leo Karl | Zendy; Gather Malte C. | Zendy

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Eliminating Micro‐Cavity Effects in White Top‐Emitting OLEDs by Ultra‐Thin Metallic Top Electrodes

Author(s) -

Schwab Tobias,

Schubert Sylvio,

MüllerMeskamp Lars,

Leo Karl,

Gather Malte C.

Publication year - 2013

Publication title -

advanced optical materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.89

H-Index - 91

ISSN - 2195-1071

DOI - 10.1002/adom.201300392

Subject(s) - materials science , oled , transmittance , optoelectronics , electrode , cathode , layer (electronics) , wetting , diode , optics , composite material , chemistry , physics

The device efficiency and angular color stability of white top‐emitting OLEDs is significantly improved by a decrease in thickness of the semitransparent silver cathode. The transmittance increases and the micro‐cavity effects are reduced. Inserting a 2 nm gold wetting layer, the silver layer can be reduced to 5 nm achieving higher efficiency and comparable color stability to the bottom‐emitting reference.

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